diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-14 03:22:22 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-14 03:22:22 (GMT) |
| commit | d8c532c40721f7507896d202b8cae3b3642d2b0d (patch) | |
| tree | 42b1ce76671eb85324281ed93491432f4523f983 /drivers/media | |
| parent | e777d192ffb9f2929d547a2f8a5f65b7db7a9552 (diff) | |
| parent | 77c53d0b56264a8fc5844e087ad15fffe20c299d (diff) | |
| download | linux-d8c532c40721f7507896d202b8cae3b3642d2b0d.tar.xz | |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Missing MAINTAINERS entries were added for several drivers
- Adds V4L2 support for DMABUF handling, allowing zero-copy buffer
sharing between V4L2 devices and GPU
- Got rid of all warnings when compiling with W=1 on x86
- Add a new driver for Exynos hardware (s3c-camif)
- Several bug fixes, cleanups and driver improvements
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (243 commits)
[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
[media] omap3isp: Prepare/unprepare clocks before/after enable/disable
[media] omap3isp: preview: Add support for 8-bit formats at the sink pad
[media] omap3isp: Replace printk with dev_*
[media] omap3isp: Find source pad from external entity
[media] omap3isp: Configure CSI-2 phy based on platform data
[media] omap3isp: Add PHY routing configuration
[media] omap3isp: Add CSI configuration registers from control block to ISP resources
[media] omap3isp: Remove unneeded module memory address definitions
[media] omap3isp: Use monotonic timestamps for statistics buffers
[media] uvcvideo: Fix control value clamping for unsigned integer controls
[media] uvcvideo: Mark first output terminal as default video node
[media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
[media] uvcvideo: Return -ENOTTY for unsupported ioctls
[media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
[media] uvcvideo: Don't fail when an unsupported format is requested
[media] uvcvideo: Return -EACCES when trying to access a read/write-only control
[media] uvcvideo: Set error_idx properly for extended controls API failures
[media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
[media] fc2580: write some registers conditionally
...
Diffstat (limited to 'drivers/media')
271 files changed, 6801 insertions, 1576 deletions
diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig index 121b011..d2a436c 100644 --- a/drivers/media/common/Kconfig +++ b/drivers/media/common/Kconfig @@ -1,3 +1,10 @@ +# Used by common drivers, when they need to ask questions +config MEDIA_COMMON_OPTIONS + bool + +comment "common driver options" + depends on MEDIA_COMMON_OPTIONS + source "drivers/media/common/b2c2/Kconfig" source "drivers/media/common/saa7146/Kconfig" source "drivers/media/common/siano/Kconfig" diff --git a/drivers/media/common/b2c2/Kconfig b/drivers/media/common/b2c2/Kconfig index 1df9e57..a8c6cdf 100644 --- a/drivers/media/common/b2c2/Kconfig +++ b/drivers/media/common/b2c2/Kconfig @@ -17,11 +17,6 @@ config DVB_B2C2_FLEXCOP select DVB_CX24123 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_SIMPLE if MEDIA_SUBDRV_AUTOSELECT select DVB_TUNER_CX24113 if MEDIA_SUBDRV_AUTOSELECT - help - Support for the digital TV receiver chip made by B2C2 Inc. included in - Technisats PCI cards and USB boxes. - - Say Y if you own such a device and want to use it. # Selected via the PCI or USB flexcop drivers config DVB_B2C2_FLEXCOP_DEBUG diff --git a/drivers/media/common/siano/Kconfig b/drivers/media/common/siano/Kconfig index 425aead..68f0f60 100644 --- a/drivers/media/common/siano/Kconfig +++ b/drivers/media/common/siano/Kconfig @@ -4,14 +4,16 @@ config SMS_SIANO_MDTV tristate - depends on DVB_CORE && RC_CORE && HAS_DMA + depends on DVB_CORE && HAS_DMA + depends on !RC_CORE || RC_CORE depends on SMS_USB_DRV || SMS_SDIO_DRV default y - ---help--- - Choose Y or M here if you have MDTV receiver with a Siano chipset. - - To compile this driver as a module, choose M here - (The module will be called smsmdtv). - Further documentation on this driver can be found on the WWW - at http://www.siano-ms.com/ +config SMS_SIANO_RC + bool "Enable Remote Controller support for Siano devices" + depends on SMS_SIANO_MDTV && RC_CORE + depends on SMS_USB_DRV || SMS_SDIO_DRV + depends on MEDIA_COMMON_OPTIONS + default y + ---help--- + Choose Y to select Remote Controller support for Siano driver. diff --git a/drivers/media/common/siano/Makefile b/drivers/media/common/siano/Makefile index 2a09279..81b1e98 100644 --- a/drivers/media/common/siano/Makefile +++ b/drivers/media/common/siano/Makefile @@ -1,7 +1,11 @@ -smsmdtv-objs := smscoreapi.o sms-cards.o smsendian.o smsir.o +smsmdtv-objs := smscoreapi.o sms-cards.o smsendian.o obj-$(CONFIG_SMS_SIANO_MDTV) += smsmdtv.o smsdvb.o +ifeq ($(CONFIG_SMS_SIANO_RC),y) + smsmdtv-objs += smsir.o +endif + ccflags-y += -Idrivers/media/dvb-core ccflags-y += $(extra-cflags-y) $(extra-cflags-m) diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c index 9cc5554..1842e64 100644 --- a/drivers/media/common/siano/smscoreapi.c +++ b/drivers/media/common/siano/smscoreapi.c @@ -1092,7 +1092,7 @@ EXPORT_SYMBOL_GPL(smscore_onresponse); * @return pointer to descriptor on success, NULL on error. */ -struct smscore_buffer_t *get_entry(struct smscore_device_t *coredev) +static struct smscore_buffer_t *get_entry(struct smscore_device_t *coredev) { struct smscore_buffer_t *cb = NULL; unsigned long flags; diff --git a/drivers/media/common/siano/smsir.c b/drivers/media/common/siano/smsir.c index 37bc5c4..b8c5cad 100644 --- a/drivers/media/common/siano/smsir.c +++ b/drivers/media/common/siano/smsir.c @@ -88,7 +88,7 @@ int sms_ir_init(struct smscore_device_t *coredev) dev->priv = coredev; dev->driver_type = RC_DRIVER_IR_RAW; - dev->allowed_protos = RC_TYPE_ALL; + dev->allowed_protos = RC_BIT_ALL; dev->map_name = sms_get_board(board_id)->rc_codes; dev->driver_name = MODULE_NAME; diff --git a/drivers/media/common/siano/smsir.h b/drivers/media/common/siano/smsir.h index ae92b3a..69b59b9 100644 --- a/drivers/media/common/siano/smsir.h +++ b/drivers/media/common/siano/smsir.h @@ -46,10 +46,19 @@ struct ir_t { u32 controller; }; +#ifdef CONFIG_SMS_SIANO_RC int sms_ir_init(struct smscore_device_t *coredev); void sms_ir_exit(struct smscore_device_t *coredev); void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len); +#else +inline static int sms_ir_init(struct smscore_device_t *coredev) { + return 0; +} +inline static void sms_ir_exit(struct smscore_device_t *coredev) {}; +inline static void sms_ir_event(struct smscore_device_t *coredev, + const char *buf, int len) {}; +#endif #endif /* __SMS_IR_H__ */ diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c index 889c9c1..d81dbb2 100644 --- a/drivers/media/dvb-core/dmxdev.c +++ b/drivers/media/dvb-core/dmxdev.c @@ -877,7 +877,7 @@ static int dvb_dmxdev_pes_filter_set(struct dmxdev *dmxdev, dvb_dmxdev_filter_stop(dmxdevfilter); dvb_dmxdev_filter_reset(dmxdevfilter); - if (params->pes_type > DMX_PES_OTHER || params->pes_type < 0) + if ((unsigned)params->pes_type > DMX_PES_OTHER) return -EINVAL; dmxdevfilter->type = DMXDEV_TYPE_PES; diff --git a/drivers/media/dvb-core/dmxdev.h b/drivers/media/dvb-core/dmxdev.h index 02ebe28..48c6cf9 100644 --- a/drivers/media/dvb-core/dmxdev.h +++ b/drivers/media/dvb-core/dmxdev.h @@ -26,6 +26,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/kernel.h> +#include <linux/time.h> #include <linux/timer.h> #include <linux/wait.h> #include <linux/fs.h> diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h index 58e0220..388c2eb 100644 --- a/drivers/media/dvb-core/dvb-usb-ids.h +++ b/drivers/media/dvb-core/dvb-usb-ids.h @@ -250,6 +250,7 @@ #define USB_PID_TERRATEC_T3 0x10a0 #define USB_PID_TERRATEC_T5 0x10a1 #define USB_PID_NOXON_DAB_STICK 0x00b3 +#define USB_PID_NOXON_DAB_STICK_REV2 0x00e0 #define USB_PID_PINNACLE_EXPRESSCARD_320CX 0x022e #define USB_PID_PINNACLE_PCTV2000E 0x022c #define USB_PID_PINNACLE_PCTV_DVB_T_FLASH 0x0228 diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index 7e92793..49d9504 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -1029,12 +1029,6 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = { /* Get */ _DTV_CMD(DTV_DISEQC_SLAVE_REPLY, 0, 1), _DTV_CMD(DTV_API_VERSION, 0, 0), - _DTV_CMD(DTV_CODE_RATE_HP, 0, 0), - _DTV_CMD(DTV_CODE_RATE_LP, 0, 0), - _DTV_CMD(DTV_GUARD_INTERVAL, 0, 0), - _DTV_CMD(DTV_TRANSMISSION_MODE, 0, 0), - _DTV_CMD(DTV_HIERARCHY, 0, 0), - _DTV_CMD(DTV_INTERLEAVING, 0, 0), _DTV_CMD(DTV_ENUM_DELSYS, 0, 0), @@ -1042,13 +1036,11 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = { _DTV_CMD(DTV_ATSCMH_RS_FRAME_ENSEMBLE, 1, 0), _DTV_CMD(DTV_ATSCMH_FIC_VER, 0, 0), - _DTV_CMD(DTV_ATSCMH_PARADE_ID, 0, 0), _DTV_CMD(DTV_ATSCMH_NOG, 0, 0), _DTV_CMD(DTV_ATSCMH_TNOG, 0, 0), _DTV_CMD(DTV_ATSCMH_SGN, 0, 0), _DTV_CMD(DTV_ATSCMH_PRC, 0, 0), _DTV_CMD(DTV_ATSCMH_RS_FRAME_MODE, 0, 0), - _DTV_CMD(DTV_ATSCMH_RS_FRAME_ENSEMBLE, 0, 0), _DTV_CMD(DTV_ATSCMH_RS_CODE_MODE_PRI, 0, 0), _DTV_CMD(DTV_ATSCMH_RS_CODE_MODE_SEC, 0, 0), _DTV_CMD(DTV_ATSCMH_SCCC_BLOCK_MODE, 0, 0), @@ -1056,8 +1048,6 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = { _DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_B, 0, 0), _DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_C, 0, 0), _DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_D, 0, 0), - - _DTV_CMD(DTV_LNA, 0, 0), }; static void dtv_property_dump(struct dvb_frontend *fe, struct dtv_property *tvp) diff --git a/drivers/media/dvb-frontends/cx22700.c b/drivers/media/dvb-frontends/cx22700.c index f2a90f9..3d399d9 100644 --- a/drivers/media/dvb-frontends/cx22700.c +++ b/drivers/media/dvb-frontends/cx22700.c @@ -139,7 +139,7 @@ static int cx22700_set_tps(struct cx22700_state *state, if (p->code_rate_HP == FEC_4_5 || p->code_rate_LP == FEC_4_5) return -EINVAL; - if (p->guard_interval < GUARD_INTERVAL_1_32 || + if ((int)p->guard_interval < GUARD_INTERVAL_1_32 || p->guard_interval > GUARD_INTERVAL_1_4) return -EINVAL; @@ -152,7 +152,7 @@ static int cx22700_set_tps(struct cx22700_state *state, p->modulation != QAM_64) return -EINVAL; - if (p->hierarchy < HIERARCHY_NONE || + if ((int)p->hierarchy < HIERARCHY_NONE || p->hierarchy > HIERARCHY_4) return -EINVAL; diff --git a/drivers/media/dvb-frontends/cx24123.c b/drivers/media/dvb-frontends/cx24123.c index 7e28b4e..68c88ab 100644 --- a/drivers/media/dvb-frontends/cx24123.c +++ b/drivers/media/dvb-frontends/cx24123.c @@ -338,7 +338,7 @@ static int cx24123_set_fec(struct cx24123_state *state, fe_code_rate_t fec) { u8 nom_reg = cx24123_readreg(state, 0x0e) & ~0x07; - if ((fec < FEC_NONE) || (fec > FEC_AUTO)) + if (((int)fec < FEC_NONE) || (fec > FEC_AUTO)) fec = FEC_AUTO; /* Set the soft decision threshold */ diff --git a/drivers/media/dvb-frontends/dib9000.h b/drivers/media/dvb-frontends/dib9000.h index b5781a4..de1cc91 100644 --- a/drivers/media/dvb-frontends/dib9000.h +++ b/drivers/media/dvb-frontends/dib9000.h @@ -97,7 +97,7 @@ static inline int dib9000_set_slave_frontend(struct dvb_frontend *fe, struct dvb return -ENODEV; } -int dib9000_remove_slave_frontend(struct dvb_frontend *fe) +static inline int dib9000_remove_slave_frontend(struct dvb_frontend *fe) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return -ENODEV; diff --git a/drivers/media/dvb-frontends/drxd_hard.c b/drivers/media/dvb-frontends/drxd_hard.c index 6d98537..e71cc60 100644 --- a/drivers/media/dvb-frontends/drxd_hard.c +++ b/drivers/media/dvb-frontends/drxd_hard.c @@ -1748,7 +1748,8 @@ static int DRX_Stop(struct drxd_state *state) return status; } -int SetOperationMode(struct drxd_state *state, int oMode) +#if 0 /* Currently unused */ +static int SetOperationMode(struct drxd_state *state, int oMode) { int status; @@ -1788,6 +1789,7 @@ int SetOperationMode(struct drxd_state *state, int oMode) state->operation_mode = oMode; return status; } +#endif static int StartDiversity(struct drxd_state *state) { @@ -2612,7 +2614,7 @@ static int CDRXD(struct drxd_state *state, u32 IntermediateFrequency) return 0; } -int DRXD_init(struct drxd_state *state, const u8 * fw, u32 fw_size) +static int DRXD_init(struct drxd_state *state, const u8 *fw, u32 fw_size) { int status = 0; u32 driverVersion; @@ -2774,7 +2776,7 @@ int DRXD_init(struct drxd_state *state, const u8 * fw, u32 fw_size) return status; } -int DRXD_status(struct drxd_state *state, u32 * pLockStatus) +static int DRXD_status(struct drxd_state *state, u32 *pLockStatus) { DRX_GetLockStatus(state, pLockStatus); diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c index df9abe8..c2fc7da0d 100644 --- a/drivers/media/dvb-frontends/drxk_hard.c +++ b/drivers/media/dvb-frontends/drxk_hard.c @@ -65,16 +65,6 @@ static bool IsQAM(struct drxk_state *state) state->m_OperationMode == OM_QAM_ITU_C; } -bool IsA1WithPatchCode(struct drxk_state *state) -{ - return state->m_DRXK_A1_PATCH_CODE; -} - -bool IsA1WithRomCode(struct drxk_state *state) -{ - return state->m_DRXK_A1_ROM_CODE; -} - #define NOA1ROM 0 #define DRXDAP_FASI_SHORT_FORMAT(addr) (((addr) & 0xFC30FF80) == 0) @@ -189,7 +179,7 @@ static inline u32 MulDiv32(u32 a, u32 b, u32 c) return (u32) tmp64; } -inline u32 Frac28a(u32 a, u32 c) +static inline u32 Frac28a(u32 a, u32 c) { int i = 0; u32 Q1 = 0; @@ -587,7 +577,7 @@ static int write_block(struct drxk_state *state, u32 Address, #define DRXK_MAX_RETRIES_POWERUP 20 #endif -int PowerUpDevice(struct drxk_state *state) +static int PowerUpDevice(struct drxk_state *state) { int status; u8 data = 0; @@ -720,11 +710,6 @@ static int init_state(struct drxk_state *state) state->m_bPowerDown = (ulPowerDown != 0); - state->m_DRXK_A1_PATCH_CODE = false; - state->m_DRXK_A1_ROM_CODE = false; - state->m_DRXK_A2_ROM_CODE = false; - state->m_DRXK_A3_ROM_CODE = false; - state->m_DRXK_A2_PATCH_CODE = false; state->m_DRXK_A3_PATCH_CODE = false; /* Init AGC and PGA parameters */ @@ -921,7 +906,7 @@ static int GetDeviceCapabilities(struct drxk_state *state) status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE); if (status < 0) goto error; - status = write16(state, SIO_TOP_COMM_KEY__A, 0xFABA); + status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY); if (status < 0) goto error; status = read16(state, SIO_PDR_OHW_CFG__A, &sioPdrOhwCfg); @@ -1217,7 +1202,7 @@ static int MPEGTSConfigurePins(struct drxk_state *state, bool mpegEnable) goto error; /* MPEG TS pad configuration */ - status = write16(state, SIO_TOP_COMM_KEY__A, 0xFABA); + status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY); if (status < 0) goto error; @@ -5461,6 +5446,7 @@ static int QAMDemodulatorCommand(struct drxk_state *state, } else { printk(KERN_WARNING "drxk: Unknown QAM demodulator parameter " "count %d\n", numberOfParameters); + status = -EINVAL; } error: diff --git a/drivers/media/dvb-frontends/drxk_hard.h b/drivers/media/dvb-frontends/drxk_hard.h index 6bb9fc4..d18a896 100644 --- a/drivers/media/dvb-frontends/drxk_hard.h +++ b/drivers/media/dvb-frontends/drxk_hard.h @@ -320,11 +320,7 @@ struct drxk_state { u8 *m_microcode; int m_microcode_length; - bool m_DRXK_A1_PATCH_CODE; - bool m_DRXK_A1_ROM_CODE; - bool m_DRXK_A2_ROM_CODE; - bool m_DRXK_A3_ROM_CODE; - bool m_DRXK_A2_PATCH_CODE; + bool m_DRXK_A3_ROM_CODE; bool m_DRXK_A3_PATCH_CODE; bool m_rfmirror; diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c index 5b63908..60a529e 100644 --- a/drivers/media/dvb-frontends/ds3000.c +++ b/drivers/media/dvb-frontends/ds3000.c @@ -30,7 +30,6 @@ #include "ds3000.h" static int debug; -static int force_fw_upload; #define dprintk(args...) \ do { \ @@ -234,7 +233,6 @@ struct ds3000_state { struct i2c_adapter *i2c; const struct ds3000_config *config; struct dvb_frontend frontend; - u8 skip_fw_load; /* previous uncorrected block counter for DVB-S2 */ u16 prevUCBS2; }; @@ -397,9 +395,6 @@ static int ds3000_firmware_ondemand(struct dvb_frontend *fe) if (ret < 0) return ret; - if (state->skip_fw_load || !force_fw_upload) - return 0; /* Firmware already uploaded, skipping */ - /* Load firmware */ /* request the firmware, this will block until someone uploads it */ printk(KERN_INFO "%s: Waiting for firmware upload (%s)...\n", __func__, @@ -413,9 +408,6 @@ static int ds3000_firmware_ondemand(struct dvb_frontend *fe) return ret; } - /* Make sure we don't recurse back through here during loading */ - state->skip_fw_load = 1; - ret = ds3000_load_firmware(fe, fw); if (ret) printk("%s: Writing firmware to device failed\n", __func__); @@ -425,9 +417,6 @@ static int ds3000_firmware_ondemand(struct dvb_frontend *fe) dprintk("%s: Firmware upload %s\n", __func__, ret == 0 ? "complete" : "failed"); - /* Ensure firmware is always loaded if required */ - state->skip_fw_load = 0; - return ret; } @@ -1309,10 +1298,8 @@ static struct dvb_frontend_ops ds3000_ops = { module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); -module_param(force_fw_upload, int, 0644); -MODULE_PARM_DESC(force_fw_upload, "Force firmware upload (default:0)"); - MODULE_DESCRIPTION("DVB Frontend module for Montage Technology " "DS3000/TS2020 hardware"); MODULE_AUTHOR("Konstantin Dimitrov"); MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(DS3000_DEFAULT_FIRMWARE); diff --git a/drivers/media/dvb-frontends/l64781.c b/drivers/media/dvb-frontends/l64781.c index 36fcf55..ddf866c 100644 --- a/drivers/media/dvb-frontends/l64781.c +++ b/drivers/media/dvb-frontends/l64781.c @@ -180,11 +180,11 @@ static int apply_frontend_param(struct dvb_frontend *fe) p->transmission_mode != TRANSMISSION_MODE_8K) return -EINVAL; - if (p->guard_interval < GUARD_INTERVAL_1_32 || + if ((int)p->guard_interval < GUARD_INTERVAL_1_32 || p->guard_interval > GUARD_INTERVAL_1_4) return -EINVAL; - if (p->hierarchy < HIERARCHY_NONE || + if ((int)p->hierarchy < HIERARCHY_NONE || p->hierarchy > HIERARCHY_4) return -EINVAL; diff --git a/drivers/media/dvb-frontends/mt312.c b/drivers/media/dvb-frontends/mt312.c index e20bf13..ec388c1d 100644 --- a/drivers/media/dvb-frontends/mt312.c +++ b/drivers/media/dvb-frontends/mt312.c @@ -549,7 +549,7 @@ static int mt312_set_frontend(struct dvb_frontend *fe) || (p->frequency > fe->ops.info.frequency_max)) return -EINVAL; - if ((p->inversion < INVERSION_OFF) + if (((int)p->inversion < INVERSION_OFF) || (p->inversion > INVERSION_ON)) return -EINVAL; @@ -557,7 +557,7 @@ static int mt312_set_frontend(struct dvb_frontend *fe) || (p->symbol_rate > fe->ops.info.symbol_rate_max)) return -EINVAL; - if ((p->fec_inner < FEC_NONE) + if (((int)p->fec_inner < FEC_NONE) || (p->fec_inner > FEC_AUTO)) return -EINVAL; diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index b0f6ec0..362d26d 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -130,7 +130,7 @@ static int rtl2830_rd_reg(struct rtl2830_priv *priv, u16 reg, u8 *val) } /* write single register with mask */ -int rtl2830_wr_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 val, u8 mask) +static int rtl2830_wr_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 val, u8 mask) { int ret; u8 tmp; @@ -150,7 +150,7 @@ int rtl2830_wr_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 val, u8 mask) } /* read single register with mask */ -int rtl2830_rd_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 *val, u8 mask) +static int rtl2830_rd_reg_mask(struct rtl2830_priv *priv, u16 reg, u8 *val, u8 mask) { int ret, i; u8 tmp; @@ -256,7 +256,7 @@ static int rtl2830_sleep(struct dvb_frontend *fe) return 0; } -int rtl2830_get_tune_settings(struct dvb_frontend *fe, +static int rtl2830_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *s) { s->min_delay_ms = 500; diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 80c8e5f..7388769 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -265,7 +265,7 @@ static int rtl2832_rd_reg(struct rtl2832_priv *priv, u8 reg, u8 page, u8 *val) return rtl2832_rd_regs(priv, reg, page, val, 1); } -int rtl2832_rd_demod_reg(struct rtl2832_priv *priv, int reg, u32 *val) +static int rtl2832_rd_demod_reg(struct rtl2832_priv *priv, int reg, u32 *val) { int ret; @@ -305,7 +305,7 @@ err: } -int rtl2832_wr_demod_reg(struct rtl2832_priv *priv, int reg, u32 val) +static int rtl2832_wr_demod_reg(struct rtl2832_priv *priv, int reg, u32 val) { int ret, i; u8 len; @@ -510,7 +510,7 @@ static int rtl2832_sleep(struct dvb_frontend *fe) return 0; } -int rtl2832_get_tune_settings(struct dvb_frontend *fe, +static int rtl2832_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *s) { struct rtl2832_priv *priv = fe->demodulator_priv; diff --git a/drivers/media/dvb-frontends/stb0899_drv.c b/drivers/media/dvb-frontends/stb0899_drv.c index 79e29de..cc278b3 100644 --- a/drivers/media/dvb-frontends/stb0899_drv.c +++ b/drivers/media/dvb-frontends/stb0899_drv.c @@ -1260,7 +1260,7 @@ static inline void CONVERT32(u32 x, char *str) *str = '\0'; } -int stb0899_get_dev_id(struct stb0899_state *state) +static int stb0899_get_dev_id(struct stb0899_state *state) { u8 chip_id, release; u16 id; diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c index 2a8aaeb..0c8e459 100644 --- a/drivers/media/dvb-frontends/stv0367.c +++ b/drivers/media/dvb-frontends/stv0367.c @@ -879,7 +879,8 @@ static u8 stv0367_readbits(struct stv0367_state *state, u32 label) return val; } -u8 stv0367_getbits(u8 reg, u32 label) +#if 0 /* Currently, unused */ +static u8 stv0367_getbits(u8 reg, u32 label) { u8 mask, pos; @@ -887,7 +888,7 @@ u8 stv0367_getbits(u8 reg, u32 label) return (reg & mask) >> pos; } - +#endif static int stv0367ter_gate_ctrl(struct dvb_frontend *fe, int enable) { struct stv0367_state *state = fe->demodulator_priv; @@ -1263,8 +1264,8 @@ stv0367_ter_signal_type stv0367ter_check_cpamp(struct stv0367_state *state, return CPAMPStatus; } -enum -stv0367_ter_signal_type stv0367ter_lock_algo(struct stv0367_state *state) +static enum stv0367_ter_signal_type +stv0367ter_lock_algo(struct stv0367_state *state) { enum stv0367_ter_signal_type ret_flag; short int wd, tempo; @@ -1528,7 +1529,7 @@ static int stv0367ter_sleep(struct dvb_frontend *fe) return stv0367ter_standby(fe, 1); } -int stv0367ter_init(struct dvb_frontend *fe) +static int stv0367ter_init(struct dvb_frontend *fe) { struct stv0367_state *state = fe->demodulator_priv; struct stv0367ter_state *ter_state = state->ter_state; @@ -2378,9 +2379,9 @@ static u32 stv0367cab_get_adc_freq(struct dvb_frontend *fe, u32 ExtClk_Hz) return ADCClk_Hz; } -enum stv0367cab_mod stv0367cab_SetQamSize(struct stv0367_state *state, - u32 SymbolRate, - enum stv0367cab_mod QAMSize) +static enum stv0367cab_mod stv0367cab_SetQamSize(struct stv0367_state *state, + u32 SymbolRate, + enum stv0367cab_mod QAMSize) { /* Set QAM size */ stv0367_writebits(state, F367CAB_QAM_MODE, QAMSize); @@ -2762,7 +2763,7 @@ static int stv0367cab_sleep(struct dvb_frontend *fe) return stv0367cab_standby(fe, 1); } -int stv0367cab_init(struct dvb_frontend *fe) +static int stv0367cab_init(struct dvb_frontend *fe) { struct stv0367_state *state = fe->demodulator_priv; struct stv0367cab_state *cab_state = state->cab_state; diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c index a83bf68..16a4bc5 100644 --- a/drivers/media/dvb-frontends/tda10071.c +++ b/drivers/media/dvb-frontends/tda10071.c @@ -96,7 +96,8 @@ static int tda10071_rd_reg(struct tda10071_priv *priv, u8 reg, u8 *val) } /* write single register with mask */ -int tda10071_wr_reg_mask(struct tda10071_priv *priv, u8 reg, u8 val, u8 mask) +static int tda10071_wr_reg_mask(struct tda10071_priv *priv, + u8 reg, u8 val, u8 mask) { int ret; u8 tmp; @@ -116,7 +117,8 @@ int tda10071_wr_reg_mask(struct tda10071_priv *priv, u8 reg, u8 val, u8 mask) } /* read single register with mask */ -int tda10071_rd_reg_mask(struct tda10071_priv *priv, u8 reg, u8 *val, u8 mask) +static int tda10071_rd_reg_mask(struct tda10071_priv *priv, + u8 reg, u8 *val, u8 mask) { int ret, i; u8 tmp; diff --git a/drivers/media/dvb-frontends/tda18271c2dd.c b/drivers/media/dvb-frontends/tda18271c2dd.c index ad7c72e..d281f77 100644 --- a/drivers/media/dvb-frontends/tda18271c2dd.c +++ b/drivers/media/dvb-frontends/tda18271c2dd.c @@ -32,6 +32,7 @@ #include <asm/div64.h> #include "dvb_frontend.h" +#include "tda18271c2dd.h" struct SStandardParam { s32 m_IFFrequency; diff --git a/drivers/media/firewire/firedtv.h b/drivers/media/firewire/firedtv.h index 4fdcd8c..c2ba085 100644 --- a/drivers/media/firewire/firedtv.h +++ b/drivers/media/firewire/firedtv.h @@ -13,6 +13,7 @@ #ifndef _FIREDTV_H #define _FIREDTV_H +#include <linux/time.h> #include <linux/dvb/dmx.h> #include <linux/dvb/frontend.h> #include <linux/list.h> diff --git a/drivers/media/i2c/adp1653.c b/drivers/media/i2c/adp1653.c index 18a38b3..df16380 100644 --- a/drivers/media/i2c/adp1653.c +++ b/drivers/media/i2c/adp1653.c @@ -3,10 +3,10 @@ * * Copyright (C) 2008--2011 Nokia Corporation * - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * Contributors: - * Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Sakari Ailus <sakari.ailus@iki.fi> * Tuukka Toivonen <tuukkat76@gmail.com> * * This program is free software; you can redistribute it and/or diff --git a/drivers/media/i2c/adv7183.c b/drivers/media/i2c/adv7183.c index e1d4c89..10c3c1d 100644 --- a/drivers/media/i2c/adv7183.c +++ b/drivers/media/i2c/adv7183.c @@ -681,18 +681,7 @@ static struct i2c_driver adv7183_driver = { .id_table = adv7183_id, }; -static __init int adv7183_init(void) -{ - return i2c_add_driver(&adv7183_driver); -} - -static __exit void adv7183_exit(void) -{ - i2c_del_driver(&adv7183_driver); -} - -module_init(adv7183_init); -module_exit(adv7183_exit); +module_i2c_driver(adv7183_driver); MODULE_DESCRIPTION("Analog Devices ADV7183 video decoder driver"); MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>"); diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 05f8950..f47555b 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -486,9 +486,19 @@ static inline int edid_read_block(struct v4l2_subdev *sd, unsigned len, u8 *val) struct i2c_client *client = state->i2c_edid; u8 msgbuf0[1] = { 0 }; u8 msgbuf1[256]; - struct i2c_msg msg[2] = { { client->addr, 0, 1, msgbuf0 }, - { client->addr, 0 | I2C_M_RD, len, msgbuf1 } - }; + struct i2c_msg msg[2] = { + { + .addr = client->addr, + .len = 1, + .buf = msgbuf0 + }, + { + .addr = client->addr, + .flags = I2C_M_RD, + .len = len, + .buf = msgbuf1 + }, + }; if (i2c_transfer(client->adapter, msg, 2) < 0) return -EIO; diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c index 2cee69e..f4149eb 100644 --- a/drivers/media/i2c/cx25840/cx25840-core.c +++ b/drivers/media/i2c/cx25840/cx25840-core.c @@ -2065,7 +2065,7 @@ static int cx25840_irq_handler(struct v4l2_subdev *sd, u32 status, #define DIF_BPF_COEFF3435 (0x38c) #define DIF_BPF_COEFF36 (0x390) -void cx23885_dif_setup(struct i2c_client *client, u32 ifHz) +static void cx23885_dif_setup(struct i2c_client *client, u32 ifHz) { u64 pll_freq; u32 pll_freq_word; diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c index 04f192a..08ae067 100644 --- a/drivers/media/i2c/ir-kbd-i2c.c +++ b/drivers/media/i2c/ir-kbd-i2c.c @@ -284,7 +284,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) { char *ir_codes = NULL; const char *name = NULL; - u64 rc_type = RC_TYPE_UNKNOWN; + u64 rc_type = RC_BIT_UNKNOWN; struct IR_i2c *ir; struct rc_dev *rc = NULL; struct i2c_adapter *adap = client->adapter; @@ -303,7 +303,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) case 0x64: name = "Pixelview"; ir->get_key = get_key_pixelview; - rc_type = RC_TYPE_OTHER; + rc_type = RC_BIT_OTHER; ir_codes = RC_MAP_EMPTY; break; case 0x18: @@ -311,31 +311,31 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) case 0x1a: name = "Hauppauge"; ir->get_key = get_key_haup; - rc_type = RC_TYPE_RC5; + rc_type = RC_BIT_RC5; ir_codes = RC_MAP_HAUPPAUGE; break; case 0x30: name = "KNC One"; ir->get_key = get_key_knc1; - rc_type = RC_TYPE_OTHER; + rc_type = RC_BIT_OTHER; ir_codes = RC_MAP_EMPTY; break; case 0x6b: name = "FusionHDTV"; ir->get_key = get_key_fusionhdtv; - rc_type = RC_TYPE_RC5; + rc_type = RC_BIT_RC5; ir_codes = RC_MAP_FUSIONHDTV_MCE; break; case 0x40: name = "AVerMedia Cardbus remote"; ir->get_key = get_key_avermedia_cardbus; - rc_type = RC_TYPE_OTHER; + rc_type = RC_BIT_OTHER; ir_codes = RC_MAP_AVERMEDIA_CARDBUS; break; case 0x71: name = "Hauppauge/Zilog Z8"; ir->get_key = get_key_haup_xvr; - rc_type = RC_TYPE_RC5; + rc_type = RC_BIT_RC5; ir_codes = RC_MAP_HAUPPAUGE; break; } diff --git a/drivers/media/i2c/s5k4ecgx.c b/drivers/media/i2c/s5k4ecgx.c index 49c1b3a..2750de6 100644 --- a/drivers/media/i2c/s5k4ecgx.c +++ b/drivers/media/i2c/s5k4ecgx.c @@ -343,7 +343,7 @@ static int s5k4ecgx_load_firmware(struct v4l2_subdev *sd) } regs_num = le32_to_cpu(get_unaligned_le32(fw->data)); - v4l2_dbg(3, debug, sd, "FW: %s size %d register sets %d\n", + v4l2_dbg(3, debug, sd, "FW: %s size %zu register sets %d\n", S5K4ECGX_FIRMWARE, fw->size, regs_num); regs_num++; /* Add header */ diff --git a/drivers/media/i2c/smiapp-pll.c b/drivers/media/i2c/smiapp-pll.c index a577614..d8d5da7 100644 --- a/drivers/media/i2c/smiapp-pll.c +++ b/drivers/media/i2c/smiapp-pll.c @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -58,7 +58,7 @@ static int bounds_check(struct device *dev, uint32_t val, if (val >= min && val <= max) return 0; - dev_warn(dev, "%s out of bounds: %d (%d--%d)\n", str, val, min, max); + dev_dbg(dev, "%s out of bounds: %d (%d--%d)\n", str, val, min, max); return -EINVAL; } @@ -87,14 +87,14 @@ static void print_pll(struct device *dev, struct smiapp_pll *pll) dev_dbg(dev, "vt_pix_clk_freq_hz \t%d\n", pll->vt_pix_clk_freq_hz); } -int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, - struct smiapp_pll *pll) +static int __smiapp_pll_calculate(struct device *dev, + const struct smiapp_pll_limits *limits, + struct smiapp_pll *pll, uint32_t mul, + uint32_t div, uint32_t lane_op_clock_ratio) { uint32_t sys_div; uint32_t best_pix_div = INT_MAX >> 1; uint32_t vt_op_binning_div; - uint32_t lane_op_clock_ratio; - uint32_t mul, div; uint32_t more_mul_min, more_mul_max; uint32_t more_mul_factor; uint32_t min_vt_div, max_vt_div, vt_div; @@ -102,54 +102,6 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, unsigned int i; int rval; - if (pll->flags & SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE) - lane_op_clock_ratio = pll->lanes; - else - lane_op_clock_ratio = 1; - dev_dbg(dev, "lane_op_clock_ratio: %d\n", lane_op_clock_ratio); - - dev_dbg(dev, "binning: %dx%d\n", pll->binning_horizontal, - pll->binning_vertical); - - /* CSI transfers 2 bits per clock per lane; thus times 2 */ - pll->pll_op_clk_freq_hz = pll->link_freq * 2 - * (pll->lanes / lane_op_clock_ratio); - - /* Figure out limits for pre-pll divider based on extclk */ - dev_dbg(dev, "min / max pre_pll_clk_div: %d / %d\n", - limits->min_pre_pll_clk_div, limits->max_pre_pll_clk_div); - limits->max_pre_pll_clk_div = - min_t(uint16_t, limits->max_pre_pll_clk_div, - clk_div_even(pll->ext_clk_freq_hz / - limits->min_pll_ip_freq_hz)); - limits->min_pre_pll_clk_div = - max_t(uint16_t, limits->min_pre_pll_clk_div, - clk_div_even_up( - DIV_ROUND_UP(pll->ext_clk_freq_hz, - limits->max_pll_ip_freq_hz))); - dev_dbg(dev, "pre-pll check: min / max pre_pll_clk_div: %d / %d\n", - limits->min_pre_pll_clk_div, limits->max_pre_pll_clk_div); - - i = gcd(pll->pll_op_clk_freq_hz, pll->ext_clk_freq_hz); - mul = div_u64(pll->pll_op_clk_freq_hz, i); - div = pll->ext_clk_freq_hz / i; - dev_dbg(dev, "mul %d / div %d\n", mul, div); - - limits->min_pre_pll_clk_div = - max_t(uint16_t, limits->min_pre_pll_clk_div, - clk_div_even_up( - DIV_ROUND_UP(mul * pll->ext_clk_freq_hz, - limits->max_pll_op_freq_hz))); - dev_dbg(dev, "pll_op check: min / max pre_pll_clk_div: %d / %d\n", - limits->min_pre_pll_clk_div, limits->max_pre_pll_clk_div); - - if (limits->min_pre_pll_clk_div > limits->max_pre_pll_clk_div) { - dev_err(dev, "unable to compute pre_pll divisor\n"); - return -EINVAL; - } - - pll->pre_pll_clk_div = limits->min_pre_pll_clk_div; - /* * Get pre_pll_clk_div so that our pll_op_clk_freq_hz won't be * too high. @@ -162,7 +114,7 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, more_mul_max); /* Don't go above max pll op frequency. */ more_mul_max = - min_t(int, + min_t(uint32_t, more_mul_max, limits->max_pll_op_freq_hz / (pll->ext_clk_freq_hz / pll->pre_pll_clk_div * mul)); @@ -170,7 +122,7 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, more_mul_max); /* Don't go above the division capability of op sys clock divider. */ more_mul_max = min(more_mul_max, - limits->max_op_sys_clk_div * pll->pre_pll_clk_div + limits->op.max_sys_clk_div * pll->pre_pll_clk_div / div); dev_dbg(dev, "more_mul_max: max_op_sys_clk_div check: %d\n", more_mul_max); @@ -193,14 +145,14 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, more_mul_min); if (more_mul_min > more_mul_max) { - dev_warn(dev, - "unable to compute more_mul_min and more_mul_max"); + dev_dbg(dev, + "unable to compute more_mul_min and more_mul_max\n"); return -EINVAL; } more_mul_factor = lcm(div, pll->pre_pll_clk_div) / div; dev_dbg(dev, "more_mul_factor: %d\n", more_mul_factor); - more_mul_factor = lcm(more_mul_factor, limits->min_op_sys_clk_div); + more_mul_factor = lcm(more_mul_factor, limits->op.min_sys_clk_div); dev_dbg(dev, "more_mul_factor: min_op_sys_clk_div: %d\n", more_mul_factor); i = roundup(more_mul_min, more_mul_factor); @@ -209,7 +161,7 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, dev_dbg(dev, "final more_mul: %d\n", i); if (i > more_mul_max) { - dev_warn(dev, "final more_mul is bad, max %d", more_mul_max); + dev_dbg(dev, "final more_mul is bad, max %d\n", more_mul_max); return -EINVAL; } @@ -268,19 +220,19 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, dev_dbg(dev, "min_vt_div: %d\n", min_vt_div); min_vt_div = max(min_vt_div, DIV_ROUND_UP(pll->pll_op_clk_freq_hz, - limits->max_vt_pix_clk_freq_hz)); + limits->vt.max_pix_clk_freq_hz)); dev_dbg(dev, "min_vt_div: max_vt_pix_clk_freq_hz: %d\n", min_vt_div); min_vt_div = max_t(uint32_t, min_vt_div, - limits->min_vt_pix_clk_div - * limits->min_vt_sys_clk_div); + limits->vt.min_pix_clk_div + * limits->vt.min_sys_clk_div); dev_dbg(dev, "min_vt_div: min_vt_clk_div: %d\n", min_vt_div); - max_vt_div = limits->max_vt_sys_clk_div * limits->max_vt_pix_clk_div; + max_vt_div = limits->vt.max_sys_clk_div * limits->vt.max_pix_clk_div; dev_dbg(dev, "max_vt_div: %d\n", max_vt_div); max_vt_div = min(max_vt_div, DIV_ROUND_UP(pll->pll_op_clk_freq_hz, - limits->min_vt_pix_clk_freq_hz)); + limits->vt.min_pix_clk_freq_hz)); dev_dbg(dev, "max_vt_div: min_vt_pix_clk_freq_hz: %d\n", max_vt_div); @@ -288,28 +240,28 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, * Find limitsits for sys_clk_div. Not all values are possible * with all values of pix_clk_div. */ - min_sys_div = limits->min_vt_sys_clk_div; + min_sys_div = limits->vt.min_sys_clk_div; dev_dbg(dev, "min_sys_div: %d\n", min_sys_div); min_sys_div = max(min_sys_div, DIV_ROUND_UP(min_vt_div, - limits->max_vt_pix_clk_div)); + limits->vt.max_pix_clk_div)); dev_dbg(dev, "min_sys_div: max_vt_pix_clk_div: %d\n", min_sys_div); min_sys_div = max(min_sys_div, pll->pll_op_clk_freq_hz - / limits->max_vt_sys_clk_freq_hz); + / limits->vt.max_sys_clk_freq_hz); dev_dbg(dev, "min_sys_div: max_pll_op_clk_freq_hz: %d\n", min_sys_div); min_sys_div = clk_div_even_up(min_sys_div); dev_dbg(dev, "min_sys_div: one or even: %d\n", min_sys_div); - max_sys_div = limits->max_vt_sys_clk_div; + max_sys_div = limits->vt.max_sys_clk_div; dev_dbg(dev, "max_sys_div: %d\n", max_sys_div); max_sys_div = min(max_sys_div, DIV_ROUND_UP(max_vt_div, - limits->min_vt_pix_clk_div)); + limits->vt.min_pix_clk_div)); dev_dbg(dev, "max_sys_div: min_vt_pix_clk_div: %d\n", max_sys_div); max_sys_div = min(max_sys_div, DIV_ROUND_UP(pll->pll_op_clk_freq_hz, - limits->min_vt_pix_clk_freq_hz)); + limits->vt.min_pix_clk_freq_hz)); dev_dbg(dev, "max_sys_div: min_vt_pix_clk_freq_hz: %d\n", max_sys_div); /* @@ -322,15 +274,15 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, for (sys_div = min_sys_div; sys_div <= max_sys_div; sys_div += 2 - (sys_div & 1)) { - int pix_div = DIV_ROUND_UP(vt_div, sys_div); + uint16_t pix_div = DIV_ROUND_UP(vt_div, sys_div); - if (pix_div < limits->min_vt_pix_clk_div - || pix_div > limits->max_vt_pix_clk_div) { + if (pix_div < limits->vt.min_pix_clk_div + || pix_div > limits->vt.max_pix_clk_div) { dev_dbg(dev, "pix_div %d too small or too big (%d--%d)\n", pix_div, - limits->min_vt_pix_clk_div, - limits->max_vt_pix_clk_div); + limits->vt.min_pix_clk_div, + limits->vt.max_pix_clk_div); continue; } @@ -354,16 +306,10 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, pll->pixel_rate_csi = pll->op_pix_clk_freq_hz * lane_op_clock_ratio; - print_pll(dev, pll); - - rval = bounds_check(dev, pll->pre_pll_clk_div, - limits->min_pre_pll_clk_div, - limits->max_pre_pll_clk_div, "pre_pll_clk_div"); - if (!rval) - rval = bounds_check( - dev, pll->pll_ip_clk_freq_hz, - limits->min_pll_ip_freq_hz, limits->max_pll_ip_freq_hz, - "pll_ip_clk_freq_hz"); + rval = bounds_check(dev, pll->pll_ip_clk_freq_hz, + limits->min_pll_ip_freq_hz, + limits->max_pll_ip_freq_hz, + "pll_ip_clk_freq_hz"); if (!rval) rval = bounds_check( dev, pll->pll_multiplier, @@ -377,42 +323,121 @@ int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, if (!rval) rval = bounds_check( dev, pll->op_sys_clk_div, - limits->min_op_sys_clk_div, limits->max_op_sys_clk_div, + limits->op.min_sys_clk_div, limits->op.max_sys_clk_div, "op_sys_clk_div"); if (!rval) rval = bounds_check( dev, pll->op_pix_clk_div, - limits->min_op_pix_clk_div, limits->max_op_pix_clk_div, + limits->op.min_pix_clk_div, limits->op.max_pix_clk_div, "op_pix_clk_div"); if (!rval) rval = bounds_check( dev, pll->op_sys_clk_freq_hz, - limits->min_op_sys_clk_freq_hz, - limits->max_op_sys_clk_freq_hz, + limits->op.min_sys_clk_freq_hz, + limits->op.max_sys_clk_freq_hz, "op_sys_clk_freq_hz"); if (!rval) rval = bounds_check( dev, pll->op_pix_clk_freq_hz, - limits->min_op_pix_clk_freq_hz, - limits->max_op_pix_clk_freq_hz, + limits->op.min_pix_clk_freq_hz, + limits->op.max_pix_clk_freq_hz, "op_pix_clk_freq_hz"); if (!rval) rval = bounds_check( dev, pll->vt_sys_clk_freq_hz, - limits->min_vt_sys_clk_freq_hz, - limits->max_vt_sys_clk_freq_hz, + limits->vt.min_sys_clk_freq_hz, + limits->vt.max_sys_clk_freq_hz, "vt_sys_clk_freq_hz"); if (!rval) rval = bounds_check( dev, pll->vt_pix_clk_freq_hz, - limits->min_vt_pix_clk_freq_hz, - limits->max_vt_pix_clk_freq_hz, + limits->vt.min_pix_clk_freq_hz, + limits->vt.max_pix_clk_freq_hz, "vt_pix_clk_freq_hz"); return rval; } + +int smiapp_pll_calculate(struct device *dev, + const struct smiapp_pll_limits *limits, + struct smiapp_pll *pll) +{ + uint16_t min_pre_pll_clk_div; + uint16_t max_pre_pll_clk_div; + uint32_t lane_op_clock_ratio; + uint32_t mul, div; + unsigned int i; + int rval = -EINVAL; + + if (pll->flags & SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE) + lane_op_clock_ratio = pll->csi2.lanes; + else + lane_op_clock_ratio = 1; + dev_dbg(dev, "lane_op_clock_ratio: %d\n", lane_op_clock_ratio); + + dev_dbg(dev, "binning: %dx%d\n", pll->binning_horizontal, + pll->binning_vertical); + + switch (pll->bus_type) { + case SMIAPP_PLL_BUS_TYPE_CSI2: + /* CSI transfers 2 bits per clock per lane; thus times 2 */ + pll->pll_op_clk_freq_hz = pll->link_freq * 2 + * (pll->csi2.lanes / lane_op_clock_ratio); + break; + case SMIAPP_PLL_BUS_TYPE_PARALLEL: + pll->pll_op_clk_freq_hz = pll->link_freq * pll->bits_per_pixel + / DIV_ROUND_UP(pll->bits_per_pixel, + pll->parallel.bus_width); + break; + default: + return -EINVAL; + } + + /* Figure out limits for pre-pll divider based on extclk */ + dev_dbg(dev, "min / max pre_pll_clk_div: %d / %d\n", + limits->min_pre_pll_clk_div, limits->max_pre_pll_clk_div); + max_pre_pll_clk_div = + min_t(uint16_t, limits->max_pre_pll_clk_div, + clk_div_even(pll->ext_clk_freq_hz / + limits->min_pll_ip_freq_hz)); + min_pre_pll_clk_div = + max_t(uint16_t, limits->min_pre_pll_clk_div, + clk_div_even_up( + DIV_ROUND_UP(pll->ext_clk_freq_hz, + limits->max_pll_ip_freq_hz))); + dev_dbg(dev, "pre-pll check: min / max pre_pll_clk_div: %d / %d\n", + min_pre_pll_clk_div, max_pre_pll_clk_div); + + i = gcd(pll->pll_op_clk_freq_hz, pll->ext_clk_freq_hz); + mul = div_u64(pll->pll_op_clk_freq_hz, i); + div = pll->ext_clk_freq_hz / i; + dev_dbg(dev, "mul %d / div %d\n", mul, div); + + min_pre_pll_clk_div = + max_t(uint16_t, min_pre_pll_clk_div, + clk_div_even_up( + DIV_ROUND_UP(mul * pll->ext_clk_freq_hz, + limits->max_pll_op_freq_hz))); + dev_dbg(dev, "pll_op check: min / max pre_pll_clk_div: %d / %d\n", + min_pre_pll_clk_div, max_pre_pll_clk_div); + + for (pll->pre_pll_clk_div = min_pre_pll_clk_div; + pll->pre_pll_clk_div <= max_pre_pll_clk_div; + pll->pre_pll_clk_div += 2 - (pll->pre_pll_clk_div & 1)) { + rval = __smiapp_pll_calculate(dev, limits, pll, mul, div, + lane_op_clock_ratio); + if (rval) + continue; + + print_pll(dev, pll); + return 0; + } + + dev_info(dev, "unable to compute pre_pll divisor\n"); + return rval; +} EXPORT_SYMBOL_GPL(smiapp_pll_calculate); -MODULE_AUTHOR("Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>"); +MODULE_AUTHOR("Sakari Ailus <sakari.ailus@iki.fi>"); MODULE_DESCRIPTION("Generic SMIA/SMIA++ PLL calculator"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/i2c/smiapp-pll.h b/drivers/media/i2c/smiapp-pll.h index cb2d2db..a4a6498 100644 --- a/drivers/media/i2c/smiapp-pll.h +++ b/drivers/media/i2c/smiapp-pll.h @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -27,16 +27,34 @@ #include <linux/device.h> +/* CSI-2 or CCP-2 */ +#define SMIAPP_PLL_BUS_TYPE_CSI2 0x00 +#define SMIAPP_PLL_BUS_TYPE_PARALLEL 0x01 + +/* op pix clock is for all lanes in total normally */ +#define SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE (1 << 0) +#define SMIAPP_PLL_FLAG_NO_OP_CLOCKS (1 << 1) + struct smiapp_pll { - uint8_t lanes; + /* input values */ + uint8_t bus_type; + union { + struct { + uint8_t lanes; + } csi2; + struct { + uint8_t bus_width; + } parallel; + }; + uint8_t flags; uint8_t binning_horizontal; uint8_t binning_vertical; uint8_t scale_m; uint8_t scale_n; uint8_t bits_per_pixel; - uint16_t flags; uint32_t link_freq; + /* output values */ uint16_t pre_pll_clk_div; uint16_t pll_multiplier; uint16_t op_sys_clk_div; @@ -55,6 +73,17 @@ struct smiapp_pll { uint32_t pixel_rate_csi; }; +struct smiapp_pll_branch_limits { + uint16_t min_sys_clk_div; + uint16_t max_sys_clk_div; + uint32_t min_sys_clk_freq_hz; + uint32_t max_sys_clk_freq_hz; + uint16_t min_pix_clk_div; + uint16_t max_pix_clk_div; + uint32_t min_pix_clk_freq_hz; + uint32_t max_pix_clk_freq_hz; +}; + struct smiapp_pll_limits { /* Strict PLL limits */ uint32_t min_ext_clk_freq_hz; @@ -68,36 +97,18 @@ struct smiapp_pll_limits { uint32_t min_pll_op_freq_hz; uint32_t max_pll_op_freq_hz; - uint16_t min_vt_sys_clk_div; - uint16_t max_vt_sys_clk_div; - uint32_t min_vt_sys_clk_freq_hz; - uint32_t max_vt_sys_clk_freq_hz; - uint16_t min_vt_pix_clk_div; - uint16_t max_vt_pix_clk_div; - uint32_t min_vt_pix_clk_freq_hz; - uint32_t max_vt_pix_clk_freq_hz; - - uint16_t min_op_sys_clk_div; - uint16_t max_op_sys_clk_div; - uint32_t min_op_sys_clk_freq_hz; - uint32_t max_op_sys_clk_freq_hz; - uint16_t min_op_pix_clk_div; - uint16_t max_op_pix_clk_div; - uint32_t min_op_pix_clk_freq_hz; - uint32_t max_op_pix_clk_freq_hz; + struct smiapp_pll_branch_limits vt; + struct smiapp_pll_branch_limits op; /* Other relevant limits */ uint32_t min_line_length_pck_bin; uint32_t min_line_length_pck; }; -/* op pix clock is for all lanes in total normally */ -#define SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE (1 << 0) -#define SMIAPP_PLL_FLAG_NO_OP_CLOCKS (1 << 1) - struct device; -int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits, +int smiapp_pll_calculate(struct device *dev, + const struct smiapp_pll_limits *limits, struct smiapp_pll *pll); #endif /* SMIAPP_PLL_H */ diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index e08e588..83c7ed7 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2010--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * Based on smiapp driver by Vimarsh Zutshi * Based on jt8ev1.c by Vimarsh Zutshi @@ -252,23 +252,23 @@ static int smiapp_pll_update(struct smiapp_sensor *sensor) .min_pll_op_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_PLL_OP_FREQ_HZ], .max_pll_op_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_PLL_OP_FREQ_HZ], - .min_op_sys_clk_div = sensor->limits[SMIAPP_LIMIT_MIN_OP_SYS_CLK_DIV], - .max_op_sys_clk_div = sensor->limits[SMIAPP_LIMIT_MAX_OP_SYS_CLK_DIV], - .min_op_pix_clk_div = sensor->limits[SMIAPP_LIMIT_MIN_OP_PIX_CLK_DIV], - .max_op_pix_clk_div = sensor->limits[SMIAPP_LIMIT_MAX_OP_PIX_CLK_DIV], - .min_op_sys_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_OP_SYS_CLK_FREQ_HZ], - .max_op_sys_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_OP_SYS_CLK_FREQ_HZ], - .min_op_pix_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_OP_PIX_CLK_FREQ_HZ], - .max_op_pix_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_OP_PIX_CLK_FREQ_HZ], - - .min_vt_sys_clk_div = sensor->limits[SMIAPP_LIMIT_MIN_VT_SYS_CLK_DIV], - .max_vt_sys_clk_div = sensor->limits[SMIAPP_LIMIT_MAX_VT_SYS_CLK_DIV], - .min_vt_pix_clk_div = sensor->limits[SMIAPP_LIMIT_MIN_VT_PIX_CLK_DIV], - .max_vt_pix_clk_div = sensor->limits[SMIAPP_LIMIT_MAX_VT_PIX_CLK_DIV], - .min_vt_sys_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_VT_SYS_CLK_FREQ_HZ], - .max_vt_sys_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_VT_SYS_CLK_FREQ_HZ], - .min_vt_pix_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_VT_PIX_CLK_FREQ_HZ], - .max_vt_pix_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_VT_PIX_CLK_FREQ_HZ], + .op.min_sys_clk_div = sensor->limits[SMIAPP_LIMIT_MIN_OP_SYS_CLK_DIV], + .op.max_sys_clk_div = sensor->limits[SMIAPP_LIMIT_MAX_OP_SYS_CLK_DIV], + .op.min_pix_clk_div = sensor->limits[SMIAPP_LIMIT_MIN_OP_PIX_CLK_DIV], + .op.max_pix_clk_div = sensor->limits[SMIAPP_LIMIT_MAX_OP_PIX_CLK_DIV], + .op.min_sys_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_OP_SYS_CLK_FREQ_HZ], + .op.max_sys_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_OP_SYS_CLK_FREQ_HZ], + .op.min_pix_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_OP_PIX_CLK_FREQ_HZ], + .op.max_pix_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_OP_PIX_CLK_FREQ_HZ], + + .vt.min_sys_clk_div = sensor->limits[SMIAPP_LIMIT_MIN_VT_SYS_CLK_DIV], + .vt.max_sys_clk_div = sensor->limits[SMIAPP_LIMIT_MAX_VT_SYS_CLK_DIV], + .vt.min_pix_clk_div = sensor->limits[SMIAPP_LIMIT_MIN_VT_PIX_CLK_DIV], + .vt.max_pix_clk_div = sensor->limits[SMIAPP_LIMIT_MAX_VT_PIX_CLK_DIV], + .vt.min_sys_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_VT_SYS_CLK_FREQ_HZ], + .vt.max_sys_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_VT_SYS_CLK_FREQ_HZ], + .vt.min_pix_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MIN_VT_PIX_CLK_FREQ_HZ], + .vt.max_pix_clk_freq_hz = sensor->limits[SMIAPP_LIMIT_MAX_VT_PIX_CLK_FREQ_HZ], .min_line_length_pck_bin = sensor->limits[SMIAPP_LIMIT_MIN_LINE_LENGTH_PCK_BIN], .min_line_length_pck = sensor->limits[SMIAPP_LIMIT_MIN_LINE_LENGTH_PCK], @@ -276,11 +276,6 @@ static int smiapp_pll_update(struct smiapp_sensor *sensor) struct smiapp_pll *pll = &sensor->pll; int rval; - memset(&sensor->pll, 0, sizeof(sensor->pll)); - - pll->lanes = sensor->platform_data->lanes; - pll->ext_clk_freq_hz = sensor->platform_data->ext_clk; - if (sensor->minfo.smiapp_profile == SMIAPP_PROFILE_0) { /* * Fill in operational clock divisors limits from the @@ -288,28 +283,14 @@ static int smiapp_pll_update(struct smiapp_sensor *sensor) * requirements regarding them are essentially the * same as on VT ones. */ - lim.min_op_sys_clk_div = lim.min_vt_sys_clk_div; - lim.max_op_sys_clk_div = lim.max_vt_sys_clk_div; - lim.min_op_pix_clk_div = lim.min_vt_pix_clk_div; - lim.max_op_pix_clk_div = lim.max_vt_pix_clk_div; - lim.min_op_sys_clk_freq_hz = lim.min_vt_sys_clk_freq_hz; - lim.max_op_sys_clk_freq_hz = lim.max_vt_sys_clk_freq_hz; - lim.min_op_pix_clk_freq_hz = lim.min_vt_pix_clk_freq_hz; - lim.max_op_pix_clk_freq_hz = lim.max_vt_pix_clk_freq_hz; - /* Profile 0 sensors have no separate OP clock branch. */ - pll->flags |= SMIAPP_PLL_FLAG_NO_OP_CLOCKS; + lim.op = lim.vt; } - if (smiapp_needs_quirk(sensor, - SMIAPP_QUIRK_FLAG_OP_PIX_CLOCK_PER_LANE)) - pll->flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE; - pll->binning_horizontal = sensor->binning_horizontal; pll->binning_vertical = sensor->binning_vertical; pll->link_freq = sensor->link_freq->qmenu_int[sensor->link_freq->val]; pll->scale_m = sensor->scale_m; - pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN]; pll->bits_per_pixel = sensor->csi_format->compressed; rval = smiapp_pll_calculate(&client->dev, &lim, pll); @@ -1010,7 +991,7 @@ static int smiapp_setup_flash_strobe(struct smiapp_sensor *sensor) * do not change, or if you do at least know what you're * doing. :-) * - * Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> 2010-10-25 + * Sakari Ailus <sakari.ailus@iki.fi> 2010-10-25 * * flash_strobe_length [us] / 10^6 = (tFlash_strobe_width_ctrl * / EXTCLK freq [Hz]) * flash_strobe_adjustment @@ -2369,6 +2350,7 @@ static int smiapp_registered(struct v4l2_subdev *subdev) { struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); struct i2c_client *client = v4l2_get_subdevdata(subdev); + struct smiapp_pll *pll = &sensor->pll; struct smiapp_subdev *last = NULL; u32 tmp; unsigned int i; @@ -2635,6 +2617,18 @@ static int smiapp_registered(struct v4l2_subdev *subdev) if (rval < 0) goto out_nvm_release; + /* prepare PLL configuration input values */ + pll->bus_type = SMIAPP_PLL_BUS_TYPE_CSI2; + pll->csi2.lanes = sensor->platform_data->lanes; + pll->ext_clk_freq_hz = sensor->platform_data->ext_clk; + /* Profile 0 sensors have no separate OP clock branch. */ + if (sensor->minfo.smiapp_profile == SMIAPP_PROFILE_0) + pll->flags |= SMIAPP_PLL_FLAG_NO_OP_CLOCKS; + if (smiapp_needs_quirk(sensor, + SMIAPP_QUIRK_FLAG_OP_PIX_CLOCK_PER_LANE)) + pll->flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE; + pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN]; + rval = smiapp_update_mode(sensor); if (rval) { dev_err(&client->dev, "update mode failed\n"); @@ -2893,6 +2887,6 @@ static struct i2c_driver smiapp_i2c_driver = { module_i2c_driver(smiapp_i2c_driver); -MODULE_AUTHOR("Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>"); +MODULE_AUTHOR("Sakari Ailus <sakari.ailus@iki.fi>"); MODULE_DESCRIPTION("Generic SMIA/SMIA++ camera module driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/i2c/smiapp/smiapp-limits.c b/drivers/media/i2c/smiapp/smiapp-limits.c index fb2f81a..847cb23 100644 --- a/drivers/media/i2c/smiapp/smiapp-limits.c +++ b/drivers/media/i2c/smiapp/smiapp-limits.c @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/smiapp/smiapp-limits.h b/drivers/media/i2c/smiapp/smiapp-limits.h index 9ae765e..343e9c3 100644 --- a/drivers/media/i2c/smiapp/smiapp-limits.h +++ b/drivers/media/i2c/smiapp/smiapp-limits.h @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/smiapp/smiapp-quirk.c b/drivers/media/i2c/smiapp/smiapp-quirk.c index 725cf62..bb8c506 100644 --- a/drivers/media/i2c/smiapp/smiapp-quirk.c +++ b/drivers/media/i2c/smiapp/smiapp-quirk.c @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/smiapp/smiapp-quirk.h b/drivers/media/i2c/smiapp/smiapp-quirk.h index 86fd3e8..504a6d8 100644 --- a/drivers/media/i2c/smiapp/smiapp-quirk.h +++ b/drivers/media/i2c/smiapp/smiapp-quirk.h @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/smiapp/smiapp-reg-defs.h b/drivers/media/i2c/smiapp/smiapp-reg-defs.h index defa7c5..3aa0ca9 100644 --- a/drivers/media/i2c/smiapp/smiapp-reg-defs.h +++ b/drivers/media/i2c/smiapp/smiapp-reg-defs.h @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/smiapp/smiapp-reg.h b/drivers/media/i2c/smiapp/smiapp-reg.h index 54568ca..b0dcbb8 100644 --- a/drivers/media/i2c/smiapp/smiapp-reg.h +++ b/drivers/media/i2c/smiapp/smiapp-reg.h @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/smiapp/smiapp-regs.c b/drivers/media/i2c/smiapp/smiapp-regs.c index 70e0d8d..4fac32c 100644 --- a/drivers/media/i2c/smiapp/smiapp-regs.c +++ b/drivers/media/i2c/smiapp/smiapp-regs.c @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/smiapp/smiapp-regs.h b/drivers/media/i2c/smiapp/smiapp-regs.h index 7f9013b..eefc6c8 100644 --- a/drivers/media/i2c/smiapp/smiapp-regs.h +++ b/drivers/media/i2c/smiapp/smiapp-regs.h @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2011--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/smiapp/smiapp.h b/drivers/media/i2c/smiapp/smiapp.h index 4182a69..7cc5aae 100644 --- a/drivers/media/i2c/smiapp/smiapp.h +++ b/drivers/media/i2c/smiapp/smiapp.h @@ -4,7 +4,7 @@ * Generic driver for SMIA/SMIA++ compliant camera modules * * Copyright (C) 2010--2012 Nokia Corporation - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/i2c/soc_camera/mt9v022.c b/drivers/media/i2c/soc_camera/mt9v022.c index 333ef17..d40a885 100644 --- a/drivers/media/i2c/soc_camera/mt9v022.c +++ b/drivers/media/i2c/soc_camera/mt9v022.c @@ -15,6 +15,7 @@ #include <linux/log2.h> #include <linux/module.h> +#include <media/mt9v022.h> #include <media/soc_camera.h> #include <media/soc_mediabus.h> #include <media/v4l2-subdev.h> @@ -50,6 +51,7 @@ MODULE_PARM_DESC(sensor_type, "Sensor type: \"colour\" or \"monochrome\""); #define MT9V022_PIXEL_OPERATION_MODE 0x0f #define MT9V022_LED_OUT_CONTROL 0x1b #define MT9V022_ADC_MODE_CONTROL 0x1c +#define MT9V022_REG32 0x20 #define MT9V022_ANALOG_GAIN 0x35 #define MT9V022_BLACK_LEVEL_CALIB_CTRL 0x47 #define MT9V022_PIXCLK_FV_LV 0x74 @@ -71,7 +73,15 @@ MODULE_PARM_DESC(sensor_type, "Sensor type: \"colour\" or \"monochrome\""); #define MT9V022_COLUMN_SKIP 1 #define MT9V022_ROW_SKIP 4 -#define is_mt9v024(id) (id == 0x1324) +#define MT9V022_HORIZONTAL_BLANKING_MIN 43 +#define MT9V022_HORIZONTAL_BLANKING_MAX 1023 +#define MT9V022_HORIZONTAL_BLANKING_DEF 94 +#define MT9V022_VERTICAL_BLANKING_MIN 2 +#define MT9V022_VERTICAL_BLANKING_MAX 3000 +#define MT9V022_VERTICAL_BLANKING_DEF 45 + +#define is_mt9v022_rev3(id) (id == 0x1313) +#define is_mt9v024(id) (id == 0x1324) /* MT9V022 has only one fixed colorspace per pixelcode */ struct mt9v022_datafmt { @@ -136,6 +146,8 @@ struct mt9v022 { struct v4l2_ctrl *autogain; struct v4l2_ctrl *gain; }; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *vblank; struct v4l2_rect rect; /* Sensor window */ const struct mt9v022_datafmt *fmt; const struct mt9v022_datafmt *fmts; @@ -143,6 +155,7 @@ struct mt9v022 { int num_fmts; int model; /* V4L2_IDENT_MT9V022* codes from v4l2-chip-ident.h */ u16 chip_control; + u16 chip_version; unsigned short y_skip_top; /* Lines to skip at the top */ }; @@ -225,12 +238,32 @@ static int mt9v022_s_stream(struct v4l2_subdev *sd, int enable) struct i2c_client *client = v4l2_get_subdevdata(sd); struct mt9v022 *mt9v022 = to_mt9v022(client); - if (enable) + if (enable) { /* Switch to master "normal" mode */ mt9v022->chip_control &= ~0x10; - else + if (is_mt9v022_rev3(mt9v022->chip_version) || + is_mt9v024(mt9v022->chip_version)) { + /* + * Unset snapshot mode specific settings: clear bit 9 + * and bit 2 in reg. 0x20 when in normal mode. + */ + if (reg_clear(client, MT9V022_REG32, 0x204)) + return -EIO; + } + } else { /* Switch to snapshot mode */ mt9v022->chip_control |= 0x10; + if (is_mt9v022_rev3(mt9v022->chip_version) || + is_mt9v024(mt9v022->chip_version)) { + /* + * Required settings for snapshot mode: set bit 9 + * (RST enable) and bit 2 (CR enable) in reg. 0x20 + * See TechNote TN0960 or TN-09-225. + */ + if (reg_set(client, MT9V022_REG32, 0x204)) + return -EIO; + } + } if (reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control) < 0) return -EIO; @@ -282,11 +315,10 @@ static int mt9v022_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) * Default 94, Phytec driver says: * "width + horizontal blank >= 660" */ - ret = reg_write(client, MT9V022_HORIZONTAL_BLANKING, - rect.width > 660 - 43 ? 43 : - 660 - rect.width); + ret = v4l2_ctrl_s_ctrl(mt9v022->hblank, + rect.width > 660 - 43 ? 43 : 660 - rect.width); if (!ret) - ret = reg_write(client, MT9V022_VERTICAL_BLANKING, 45); + ret = v4l2_ctrl_s_ctrl(mt9v022->vblank, 45); if (!ret) ret = reg_write(client, MT9V022_WINDOW_WIDTH, rect.width); if (!ret) @@ -509,6 +541,18 @@ static int mt9v022_g_volatile_ctrl(struct v4l2_ctrl *ctrl) range = exp->maximum - exp->minimum; exp->val = ((data - 1) * range + 239) / 479 + exp->minimum; return 0; + case V4L2_CID_HBLANK: + data = reg_read(client, MT9V022_HORIZONTAL_BLANKING); + if (data < 0) + return -EIO; + ctrl->val = data; + return 0; + case V4L2_CID_VBLANK: + data = reg_read(client, MT9V022_VERTICAL_BLANKING); + if (data < 0) + return -EIO; + ctrl->val = data; + return 0; } return -EINVAL; } @@ -590,6 +634,16 @@ static int mt9v022_s_ctrl(struct v4l2_ctrl *ctrl) return -EIO; } return 0; + case V4L2_CID_HBLANK: + if (reg_write(client, MT9V022_HORIZONTAL_BLANKING, + ctrl->val) < 0) + return -EIO; + return 0; + case V4L2_CID_VBLANK: + if (reg_write(client, MT9V022_VERTICAL_BLANKING, + ctrl->val) < 0) + return -EIO; + return 0; } return -EINVAL; } @@ -621,6 +675,8 @@ static int mt9v022_video_probe(struct i2c_client *client) goto ei2c; } + mt9v022->chip_version = data; + mt9v022->reg = is_mt9v024(data) ? &mt9v024_register : &mt9v022_register; @@ -819,6 +875,7 @@ static int mt9v022_probe(struct i2c_client *client, struct mt9v022 *mt9v022; struct soc_camera_link *icl = soc_camera_i2c_to_link(client); struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); + struct mt9v022_platform_data *pdata = icl->priv; int ret; if (!icl) { @@ -857,10 +914,21 @@ static int mt9v022_probe(struct i2c_client *client, mt9v022->exposure = v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops, V4L2_CID_EXPOSURE, 1, 255, 1, 255); + mt9v022->hblank = v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops, + V4L2_CID_HBLANK, MT9V022_HORIZONTAL_BLANKING_MIN, + MT9V022_HORIZONTAL_BLANKING_MAX, 1, + MT9V022_HORIZONTAL_BLANKING_DEF); + + mt9v022->vblank = v4l2_ctrl_new_std(&mt9v022->hdl, &mt9v022_ctrl_ops, + V4L2_CID_VBLANK, MT9V022_VERTICAL_BLANKING_MIN, + MT9V022_VERTICAL_BLANKING_MAX, 1, + MT9V022_VERTICAL_BLANKING_DEF); + mt9v022->subdev.ctrl_handler = &mt9v022->hdl; if (mt9v022->hdl.error) { int err = mt9v022->hdl.error; + dev_err(&client->dev, "control initialisation err %d\n", err); kfree(mt9v022); return err; } @@ -871,10 +939,10 @@ static int mt9v022_probe(struct i2c_client *client, mt9v022->chip_control = MT9V022_CHIP_CONTROL_DEFAULT; /* - * MT9V022 _really_ corrupts the first read out line. - * TODO: verify on i.MX31 + * On some platforms the first read out line is corrupted. + * Workaround it by skipping if indicated by platform data. */ - mt9v022->y_skip_top = 1; + mt9v022->y_skip_top = pdata ? pdata->y_skip_top : 0; mt9v022->rect.left = MT9V022_COLUMN_SKIP; mt9v022->rect.top = MT9V022_ROW_SKIP; mt9v022->rect.width = MT9V022_MAX_WIDTH; diff --git a/drivers/media/i2c/soc_camera/ov2640.c b/drivers/media/i2c/soc_camera/ov2640.c index d2d298b..66698a8 100644 --- a/drivers/media/i2c/soc_camera/ov2640.c +++ b/drivers/media/i2c/soc_camera/ov2640.c @@ -586,9 +586,20 @@ static const struct regval_list ov2640_format_change_preamble_regs[] = { ENDMARKER, }; -static const struct regval_list ov2640_yuv422_regs[] = { +static const struct regval_list ov2640_yuyv_regs[] = { + { IMAGE_MODE, IMAGE_MODE_YUV422 }, + { 0xd7, 0x03 }, + { 0x33, 0xa0 }, + { 0xe5, 0x1f }, + { 0xe1, 0x67 }, + { RESET, 0x00 }, + { R_BYPASS, R_BYPASS_USE_DSP }, + ENDMARKER, +}; + +static const struct regval_list ov2640_uyvy_regs[] = { { IMAGE_MODE, IMAGE_MODE_LBYTE_FIRST | IMAGE_MODE_YUV422 }, - { 0xD7, 0x01 }, + { 0xd7, 0x01 }, { 0x33, 0xa0 }, { 0xe1, 0x67 }, { RESET, 0x00 }, @@ -596,7 +607,15 @@ static const struct regval_list ov2640_yuv422_regs[] = { ENDMARKER, }; -static const struct regval_list ov2640_rgb565_regs[] = { +static const struct regval_list ov2640_rgb565_be_regs[] = { + { IMAGE_MODE, IMAGE_MODE_RGB565 }, + { 0xd7, 0x03 }, + { RESET, 0x00 }, + { R_BYPASS, R_BYPASS_USE_DSP }, + ENDMARKER, +}; + +static const struct regval_list ov2640_rgb565_le_regs[] = { { IMAGE_MODE, IMAGE_MODE_LBYTE_FIRST | IMAGE_MODE_RGB565 }, { 0xd7, 0x03 }, { RESET, 0x00 }, @@ -605,7 +624,9 @@ static const struct regval_list ov2640_rgb565_regs[] = { }; static enum v4l2_mbus_pixelcode ov2640_codes[] = { + V4L2_MBUS_FMT_YUYV8_2X8, V4L2_MBUS_FMT_UYVY8_2X8, + V4L2_MBUS_FMT_RGB565_2X8_BE, V4L2_MBUS_FMT_RGB565_2X8_LE, }; @@ -787,14 +808,22 @@ static int ov2640_set_params(struct i2c_client *client, u32 *width, u32 *height, /* select format */ priv->cfmt_code = 0; switch (code) { + case V4L2_MBUS_FMT_RGB565_2X8_BE: + dev_dbg(&client->dev, "%s: Selected cfmt RGB565 BE", __func__); + selected_cfmt_regs = ov2640_rgb565_be_regs; + break; case V4L2_MBUS_FMT_RGB565_2X8_LE: - dev_dbg(&client->dev, "%s: Selected cfmt RGB565", __func__); - selected_cfmt_regs = ov2640_rgb565_regs; + dev_dbg(&client->dev, "%s: Selected cfmt RGB565 LE", __func__); + selected_cfmt_regs = ov2640_rgb565_le_regs; + break; + case V4L2_MBUS_FMT_YUYV8_2X8: + dev_dbg(&client->dev, "%s: Selected cfmt YUYV (YUV422)", __func__); + selected_cfmt_regs = ov2640_yuyv_regs; break; default: case V4L2_MBUS_FMT_UYVY8_2X8: - dev_dbg(&client->dev, "%s: Selected cfmt YUV422", __func__); - selected_cfmt_regs = ov2640_yuv422_regs; + dev_dbg(&client->dev, "%s: Selected cfmt UYVY", __func__); + selected_cfmt_regs = ov2640_uyvy_regs; } /* reset hardware */ @@ -859,10 +888,12 @@ static int ov2640_g_fmt(struct v4l2_subdev *sd, mf->code = priv->cfmt_code; switch (mf->code) { + case V4L2_MBUS_FMT_RGB565_2X8_BE: case V4L2_MBUS_FMT_RGB565_2X8_LE: mf->colorspace = V4L2_COLORSPACE_SRGB; break; default: + case V4L2_MBUS_FMT_YUYV8_2X8: case V4L2_MBUS_FMT_UYVY8_2X8: mf->colorspace = V4L2_COLORSPACE_JPEG; } @@ -879,11 +910,13 @@ static int ov2640_s_fmt(struct v4l2_subdev *sd, switch (mf->code) { + case V4L2_MBUS_FMT_RGB565_2X8_BE: case V4L2_MBUS_FMT_RGB565_2X8_LE: mf->colorspace = V4L2_COLORSPACE_SRGB; break; default: mf->code = V4L2_MBUS_FMT_UYVY8_2X8; + case V4L2_MBUS_FMT_YUYV8_2X8: case V4L2_MBUS_FMT_UYVY8_2X8: mf->colorspace = V4L2_COLORSPACE_JPEG; } @@ -896,21 +929,21 @@ static int ov2640_s_fmt(struct v4l2_subdev *sd, static int ov2640_try_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf) { - const struct ov2640_win_size *win; - /* - * select suitable win + * select suitable win, but don't store it */ - win = ov2640_select_win(&mf->width, &mf->height); + ov2640_select_win(&mf->width, &mf->height); mf->field = V4L2_FIELD_NONE; switch (mf->code) { + case V4L2_MBUS_FMT_RGB565_2X8_BE: case V4L2_MBUS_FMT_RGB565_2X8_LE: mf->colorspace = V4L2_COLORSPACE_SRGB; break; default: mf->code = V4L2_MBUS_FMT_UYVY8_2X8; + case V4L2_MBUS_FMT_YUYV8_2X8: case V4L2_MBUS_FMT_UYVY8_2X8: mf->colorspace = V4L2_COLORSPACE_JPEG; } diff --git a/drivers/media/i2c/vs6624.c b/drivers/media/i2c/vs6624.c index 42ae9dc..f434a19 100644 --- a/drivers/media/i2c/vs6624.c +++ b/drivers/media/i2c/vs6624.c @@ -910,18 +910,7 @@ static struct i2c_driver vs6624_driver = { .id_table = vs6624_id, }; -static __init int vs6624_init(void) -{ - return i2c_add_driver(&vs6624_driver); -} - -static __exit void vs6624_exit(void) -{ - i2c_del_driver(&vs6624_driver); -} - -module_init(vs6624_init); -module_exit(vs6624_exit); +module_i2c_driver(vs6624_driver); MODULE_DESCRIPTION("VS6624 sensor driver"); MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>"); diff --git a/drivers/media/mmc/siano/Kconfig b/drivers/media/mmc/siano/Kconfig index fa62475..aa05ad3 100644 --- a/drivers/media/mmc/siano/Kconfig +++ b/drivers/media/mmc/siano/Kconfig @@ -4,7 +4,8 @@ config SMS_SDIO_DRV tristate "Siano SMS1xxx based MDTV via SDIO interface" - depends on DVB_CORE && RC_CORE && HAS_DMA + depends on DVB_CORE && HAS_DMA depends on MMC + select MEDIA_COMMON_OPTIONS ---help--- Choose if you would like to have Siano's support for SDIO interface diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index 56c6c77..de6f41f 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -200,7 +200,7 @@ static void flush_request_modules(struct bttv *dev) } #else #define request_modules(dev) -#define flush_request_modules(dev) +#define flush_request_modules(dev) do {} while(0) #endif /* CONFIG_MODULES */ @@ -301,11 +301,10 @@ const struct bttv_tvnorm bttv_tvnorms[] = { /* totalwidth */ 1135, /* sqwidth */ 944, /* vdelay */ 0x20, - /* sheight */ 576, - /* videostart0 */ 23) /* bt878 (and bt848?) can capture another line below active video. */ - .cropcap.bounds.height = (576 + 2) + 0x20 - 2, + /* sheight */ (576 + 2) + 0x20 - 2, + /* videostart0 */ 23) },{ .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR, .name = "NTSC", diff --git a/drivers/media/pci/cx18/cx18-alsa-main.c b/drivers/media/pci/cx18/cx18-alsa-main.c index 6d2a982..8e971ff 100644 --- a/drivers/media/pci/cx18/cx18-alsa-main.c +++ b/drivers/media/pci/cx18/cx18-alsa-main.c @@ -197,7 +197,7 @@ err_exit: return ret; } -int cx18_alsa_load(struct cx18 *cx) +static int __init cx18_alsa_load(struct cx18 *cx) { struct v4l2_device *v4l2_dev = &cx->v4l2_dev; struct cx18_stream *s; diff --git a/drivers/media/pci/cx18/cx18-alsa-pcm.c b/drivers/media/pci/cx18/cx18-alsa-pcm.c index 7a5b84a..180077c 100644 --- a/drivers/media/pci/cx18/cx18-alsa-pcm.c +++ b/drivers/media/pci/cx18/cx18-alsa-pcm.c @@ -37,6 +37,7 @@ #include "cx18-streams.h" #include "cx18-fileops.h" #include "cx18-alsa.h" +#include "cx18-alsa-pcm.h" static unsigned int pcm_debug; module_param(pcm_debug, int, 0644); diff --git a/drivers/media/pci/cx18/cx18-i2c.c b/drivers/media/pci/cx18/cx18-i2c.c index 51609d5..4908eb7 100644 --- a/drivers/media/pci/cx18/cx18-i2c.c +++ b/drivers/media/pci/cx18/cx18-i2c.c @@ -98,7 +98,7 @@ static int cx18_i2c_new_ir(struct cx18 *cx, struct i2c_adapter *adap, u32 hw, case CX18_HW_Z8F0811_IR_RX_HAUP: init_data->ir_codes = RC_MAP_HAUPPAUGE; init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; - init_data->type = RC_TYPE_RC5; + init_data->type = RC_BIT_RC5; init_data->name = cx->card_name; info.platform_data = init_data; break; diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18/cx18-streams.c index 72af9b5..843c62b 100644 --- a/drivers/media/pci/cx18/cx18-streams.c +++ b/drivers/media/pci/cx18/cx18-streams.c @@ -97,7 +97,7 @@ static struct { }; -void cx18_dma_free(struct videobuf_queue *q, +static void cx18_dma_free(struct videobuf_queue *q, struct cx18_stream *s, struct cx18_videobuf_buffer *buf) { videobuf_waiton(q, &buf->vb, 0, 0); diff --git a/drivers/media/pci/cx23885/altera-ci.c b/drivers/media/pci/cx23885/altera-ci.c index 495781e..2926f7f 100644 --- a/drivers/media/pci/cx23885/altera-ci.c +++ b/drivers/media/pci/cx23885/altera-ci.c @@ -263,7 +263,7 @@ static int netup_fpga_op_rw(struct fpga_internal *inter, int addr, } /* flag - mem/io, read - read/write */ -int altera_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot, +static int altera_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot, u8 flag, u8 read, int addr, u8 val) { @@ -298,31 +298,32 @@ int altera_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot, return mem; } -int altera_ci_read_attribute_mem(struct dvb_ca_en50221 *en50221, - int slot, int addr) +static int altera_ci_read_attribute_mem(struct dvb_ca_en50221 *en50221, + int slot, int addr) { return altera_ci_op_cam(en50221, slot, 0, NETUP_CI_FLG_RD, addr, 0); } -int altera_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221, - int slot, int addr, u8 data) +static int altera_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221, + int slot, int addr, u8 data) { return altera_ci_op_cam(en50221, slot, 0, 0, addr, data); } -int altera_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr) +static int altera_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221, + int slot, u8 addr) { return altera_ci_op_cam(en50221, slot, NETUP_CI_FLG_CTL, NETUP_CI_FLG_RD, addr, 0); } -int altera_ci_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, - u8 addr, u8 data) +static int altera_ci_write_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, + u8 addr, u8 data) { return altera_ci_op_cam(en50221, slot, NETUP_CI_FLG_CTL, 0, addr, data); } -int altera_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot) +static int altera_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot) { struct altera_ci_state *state = en50221->data; struct fpga_internal *inter = state->internal; @@ -365,13 +366,13 @@ int altera_ci_slot_reset(struct dvb_ca_en50221 *en50221, int slot) return 0; } -int altera_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot) +static int altera_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot) { /* not implemented */ return 0; } -int altera_ci_slot_ts_ctl(struct dvb_ca_en50221 *en50221, int slot) +static int altera_ci_slot_ts_ctl(struct dvb_ca_en50221 *en50221, int slot) { struct altera_ci_state *state = en50221->data; struct fpga_internal *inter = state->internal; @@ -448,8 +449,8 @@ int altera_ci_irq(void *dev) } EXPORT_SYMBOL(altera_ci_irq); -int altera_poll_ci_slot_status(struct dvb_ca_en50221 *en50221, int slot, - int open) +static int altera_poll_ci_slot_status(struct dvb_ca_en50221 *en50221, + int slot, int open) { struct altera_ci_state *state = en50221->data; @@ -459,7 +460,7 @@ int altera_poll_ci_slot_status(struct dvb_ca_en50221 *en50221, int slot, return state->status; } -void altera_hw_filt_release(void *main_dev, int filt_nr) +static void altera_hw_filt_release(void *main_dev, int filt_nr) { struct fpga_inode *temp_int = find_inode(main_dev); struct netup_hw_pid_filter *pid_filt = NULL; @@ -581,7 +582,7 @@ static void altera_toggle_fullts_streaming(struct netup_hw_pid_filter *pid_filt, mutex_unlock(&inter->fpga_mutex); } -int altera_pid_feed_control(void *demux_dev, int filt_nr, +static int altera_pid_feed_control(void *demux_dev, int filt_nr, struct dvb_demux_feed *feed, int onoff) { struct fpga_inode *temp_int = find_dinode(demux_dev); @@ -603,41 +604,41 @@ int altera_pid_feed_control(void *demux_dev, int filt_nr, } EXPORT_SYMBOL(altera_pid_feed_control); -int altera_ci_start_feed(struct dvb_demux_feed *feed, int num) +static int altera_ci_start_feed(struct dvb_demux_feed *feed, int num) { altera_pid_feed_control(feed->demux, num, feed, 1); return 0; } -int altera_ci_stop_feed(struct dvb_demux_feed *feed, int num) +static int altera_ci_stop_feed(struct dvb_demux_feed *feed, int num) { altera_pid_feed_control(feed->demux, num, feed, 0); return 0; } -int altera_ci_start_feed_1(struct dvb_demux_feed *feed) +static int altera_ci_start_feed_1(struct dvb_demux_feed *feed) { return altera_ci_start_feed(feed, 1); } -int altera_ci_stop_feed_1(struct dvb_demux_feed *feed) +static int altera_ci_stop_feed_1(struct dvb_demux_feed *feed) { return altera_ci_stop_feed(feed, 1); } -int altera_ci_start_feed_2(struct dvb_demux_feed *feed) +static int altera_ci_start_feed_2(struct dvb_demux_feed *feed) { return altera_ci_start_feed(feed, 2); } -int altera_ci_stop_feed_2(struct dvb_demux_feed *feed) +static int altera_ci_stop_feed_2(struct dvb_demux_feed *feed) { return altera_ci_stop_feed(feed, 2); } -int altera_hw_filt_init(struct altera_ci_config *config, int hw_filt_nr) +static int altera_hw_filt_init(struct altera_ci_config *config, int hw_filt_nr) { struct netup_hw_pid_filter *pid_filt = NULL; struct fpga_inode *temp_int = find_inode(config->dev); diff --git a/drivers/media/pci/cx23885/cimax2.c b/drivers/media/pci/cx23885/cimax2.c index 6617774..7344849 100644 --- a/drivers/media/pci/cx23885/cimax2.c +++ b/drivers/media/pci/cx23885/cimax2.c @@ -24,6 +24,7 @@ */ #include "cx23885.h" +#include "cimax2.h" #include "dvb_ca_en50221.h" /**** Bit definitions for MC417_RWD and MC417_OEN registers *** bits 31-16 @@ -87,7 +88,7 @@ struct netup_ci_state { }; -int netup_read_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg, +static int netup_read_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg, u8 *buf, int len) { int ret; @@ -120,7 +121,7 @@ int netup_read_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg, return 0; } -int netup_write_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg, +static int netup_write_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg, u8 *buf, int len) { int ret; @@ -147,7 +148,7 @@ int netup_write_i2c(struct i2c_adapter *i2c_adap, u8 addr, u8 reg, return 0; } -int netup_ci_get_mem(struct cx23885_dev *dev) +static int netup_ci_get_mem(struct cx23885_dev *dev) { int mem; unsigned long timeout = jiffies + msecs_to_jiffies(1); @@ -166,7 +167,7 @@ int netup_ci_get_mem(struct cx23885_dev *dev) return mem & 0xff; } -int netup_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot, +static int netup_ci_op_cam(struct dvb_ca_en50221 *en50221, int slot, u8 flag, u8 read, int addr, u8 data) { struct netup_ci_state *state = en50221->data; @@ -248,7 +249,8 @@ int netup_ci_write_attribute_mem(struct dvb_ca_en50221 *en50221, return netup_ci_op_cam(en50221, slot, 0, 0, addr, data); } -int netup_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, u8 addr) +int netup_ci_read_cam_ctl(struct dvb_ca_en50221 *en50221, int slot, + u8 addr) { return netup_ci_op_cam(en50221, slot, NETUP_CI_CTL, NETUP_CI_RD, addr, 0); @@ -295,7 +297,7 @@ int netup_ci_slot_shutdown(struct dvb_ca_en50221 *en50221, int slot) return 0; } -int netup_ci_set_irq(struct dvb_ca_en50221 *en50221, u8 irq_mode) +static int netup_ci_set_irq(struct dvb_ca_en50221 *en50221, u8 irq_mode) { struct netup_ci_state *state = en50221->data; int ret; @@ -399,7 +401,8 @@ int netup_ci_slot_status(struct cx23885_dev *dev, u32 pci_status) return 1; } -int netup_poll_ci_slot_status(struct dvb_ca_en50221 *en50221, int slot, int open) +int netup_poll_ci_slot_status(struct dvb_ca_en50221 *en50221, + int slot, int open) { struct netup_ci_state *state = en50221->data; diff --git a/drivers/media/pci/cx23885/cx23885-alsa.c b/drivers/media/pci/cx23885/cx23885-alsa.c index 7951692..c6c9bd5 100644 --- a/drivers/media/pci/cx23885/cx23885-alsa.c +++ b/drivers/media/pci/cx23885/cx23885-alsa.c @@ -45,8 +45,10 @@ #define AUDIO_SRAM_CHANNEL SRAM_CH07 -#define dprintk(level, fmt, arg...) if (audio_debug >= level) \ - printk(KERN_INFO "%s: " fmt, chip->dev->name , ## arg) +#define dprintk(level, fmt, arg...) do { \ + if (audio_debug + 1 > level) \ + printk(KERN_INFO "%s: " fmt, chip->dev->name , ## arg); \ +} while(0) #define dprintk_core(level, fmt, arg...) if (audio_debug >= level) \ printk(KERN_DEBUG "%s: " fmt, chip->dev->name , ## arg) diff --git a/drivers/media/pci/cx23885/cx23885-av.c b/drivers/media/pci/cx23885/cx23885-av.c index 134ebdd..e958a01 100644 --- a/drivers/media/pci/cx23885/cx23885-av.c +++ b/drivers/media/pci/cx23885/cx23885-av.c @@ -22,6 +22,7 @@ */ #include "cx23885.h" +#include "cx23885-av.h" void cx23885_av_work_handler(struct work_struct *work) { diff --git a/drivers/media/pci/cx23885/cx23885-cards.c b/drivers/media/pci/cx23885/cx23885-cards.c index 5acdf95..6277e145 100644 --- a/drivers/media/pci/cx23885/cx23885-cards.c +++ b/drivers/media/pci/cx23885/cx23885-cards.c @@ -1427,7 +1427,7 @@ void cx23885_ir_fini(struct cx23885_dev *dev) } } -int netup_jtag_io(void *device, int tms, int tdi, int read_tdo) +static int netup_jtag_io(void *device, int tms, int tdi, int read_tdo) { int data; int tdo = 0; diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c index 697728f..065ecd5 100644 --- a/drivers/media/pci/cx23885/cx23885-core.c +++ b/drivers/media/pci/cx23885/cx23885-core.c @@ -303,7 +303,7 @@ static struct sram_channel cx23887_sram_channels[] = { }, }; -void cx23885_irq_add(struct cx23885_dev *dev, u32 mask) +static void cx23885_irq_add(struct cx23885_dev *dev, u32 mask) { unsigned long flags; spin_lock_irqsave(&dev->pci_irqmask_lock, flags); @@ -1516,8 +1516,7 @@ int cx23885_restart_queue(struct cx23885_tsport *port, buf = list_entry(q->queued.next, struct cx23885_buffer, vb.queue); if (NULL == prev) { - list_del(&buf->vb.queue); - list_add_tail(&buf->vb.queue, &q->active); + list_move_tail(&buf->vb.queue, &q->active); cx23885_start_dma(port, q, buf); buf->vb.state = VIDEOBUF_ACTIVE; buf->count = q->count++; @@ -1528,8 +1527,7 @@ int cx23885_restart_queue(struct cx23885_tsport *port, } else if (prev->vb.width == buf->vb.width && prev->vb.height == buf->vb.height && prev->fmt == buf->fmt) { - list_del(&buf->vb.queue); - list_add_tail(&buf->vb.queue, &q->active); + list_move_tail(&buf->vb.queue, &q->active); buf->vb.state = VIDEOBUF_ACTIVE; buf->count = q->count++; prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c index 4379d8a..2f5b902 100644 --- a/drivers/media/pci/cx23885/cx23885-dvb.c +++ b/drivers/media/pci/cx23885/cx23885-dvb.c @@ -659,7 +659,7 @@ static struct mt2063_config terratec_mt2063_config[] = { }, }; -int netup_altera_fpga_rw(void *device, int flag, int data, int read) +static int netup_altera_fpga_rw(void *device, int flag, int data, int read) { struct cx23885_dev *dev = (struct cx23885_dev *)device; unsigned long timeout = jiffies + msecs_to_jiffies(1); diff --git a/drivers/media/pci/cx23885/cx23885-f300.c b/drivers/media/pci/cx23885/cx23885-f300.c index 93998f2..5444cc5 100644 --- a/drivers/media/pci/cx23885/cx23885-f300.c +++ b/drivers/media/pci/cx23885/cx23885-f300.c @@ -29,6 +29,7 @@ */ #include "cx23885.h" +#include "cx23885-f300.h" #define F300_DATA GPIO_0 #define F300_RESET GPIO_1 diff --git a/drivers/media/pci/cx23885/cx23885-input.c b/drivers/media/pci/cx23885/cx23885-input.c index 2c925f7..4f1055a 100644 --- a/drivers/media/pci/cx23885/cx23885-input.c +++ b/drivers/media/pci/cx23885/cx23885-input.c @@ -40,6 +40,7 @@ #include <media/v4l2-subdev.h> #include "cx23885.h" +#include "cx23885-input.h" #define MODULE_NAME "cx23885" @@ -270,21 +271,21 @@ int cx23885_input_init(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1250: /* Integrated CX2388[58] IR controller */ driver_type = RC_DRIVER_IR_RAW; - allowed_protos = RC_TYPE_ALL; + allowed_protos = RC_BIT_ALL; /* The grey Hauppauge RC-5 remote */ rc_map = RC_MAP_HAUPPAUGE; break; case CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL: /* Integrated CX23885 IR controller */ driver_type = RC_DRIVER_IR_RAW; - allowed_protos = RC_TYPE_NEC; + allowed_protos = RC_BIT_NEC; /* The grey Terratec remote with orange buttons */ rc_map = RC_MAP_NEC_TERRATEC_CINERGY_XS; break; case CX23885_BOARD_TEVII_S470: /* Integrated CX23885 IR controller */ driver_type = RC_DRIVER_IR_RAW; - allowed_protos = RC_TYPE_ALL; + allowed_protos = RC_BIT_ALL; /* A guess at the remote */ rc_map = RC_MAP_TEVII_NEC; break; diff --git a/drivers/media/pci/cx23885/cx23885-input.h b/drivers/media/pci/cx23885/cx23885-input.h index 75ef15d..87dc44e 100644 --- a/drivers/media/pci/cx23885/cx23885-input.h +++ b/drivers/media/pci/cx23885/cx23885-input.h @@ -23,7 +23,7 @@ #ifndef _CX23885_INPUT_H_ #define _CX23885_INPUT_H_ -int cx23885_input_rx_work_handler(struct cx23885_dev *dev, u32 events); +void cx23885_input_rx_work_handler(struct cx23885_dev *dev, u32 events); int cx23885_input_init(struct cx23885_dev *dev); void cx23885_input_fini(struct cx23885_dev *dev); diff --git a/drivers/media/pci/cx23885/cx23885-ioctl.c b/drivers/media/pci/cx23885/cx23885-ioctl.c index 44812ca..ea9a614 100644 --- a/drivers/media/pci/cx23885/cx23885-ioctl.c +++ b/drivers/media/pci/cx23885/cx23885-ioctl.c @@ -22,6 +22,8 @@ */ #include "cx23885.h" +#include "cx23885-ioctl.h" + #include <media/v4l2-chip-ident.h> int cx23885_g_chip_ident(struct file *file, void *fh, diff --git a/drivers/media/pci/cx23885/cx23885-ir.c b/drivers/media/pci/cx23885/cx23885-ir.c index 7125247..bfef193 100644 --- a/drivers/media/pci/cx23885/cx23885-ir.c +++ b/drivers/media/pci/cx23885/cx23885-ir.c @@ -24,6 +24,7 @@ #include <media/v4l2-device.h> #include "cx23885.h" +#include "cx23885-ir.h" #include "cx23885-input.h" #define CX23885_IR_RX_FIFO_SERVICE_REQ 0 diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c index c2bc39c..c4bd1e9 100644 --- a/drivers/media/pci/cx23885/cx23888-ir.c +++ b/drivers/media/pci/cx23885/cx23888-ir.c @@ -29,6 +29,7 @@ #include <media/rc-core.h> #include "cx23885.h" +#include "cx23888-ir.h" static unsigned int ir_888_debug; module_param(ir_888_debug, int, 0644); diff --git a/drivers/media/pci/cx23885/netup-init.c b/drivers/media/pci/cx23885/netup-init.c index f4893e6..0044fef 100644 --- a/drivers/media/pci/cx23885/netup-init.c +++ b/drivers/media/pci/cx23885/netup-init.c @@ -24,6 +24,7 @@ */ #include "cx23885.h" +#include "netup-init.h" static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val) { diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c index 8b2a999..87491ca 100644 --- a/drivers/media/pci/cx25821/cx25821-audio-upstream.c +++ b/drivers/media/pci/cx25821/cx25821-audio-upstream.c @@ -44,7 +44,7 @@ MODULE_LICENSE("GPL"); static int _intr_msk = FLD_AUD_SRC_RISCI1 | FLD_AUD_SRC_OF | FLD_AUD_SRC_SYNC | FLD_AUD_SRC_OPC_ERR; -int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev, +static int cx25821_sram_channel_setup_upstream_audio(struct cx25821_dev *dev, struct sram_channel *ch, unsigned int bpl, u32 risc) { @@ -133,7 +133,7 @@ static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev, return rp; } -int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev, +static int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev, struct pci_dev *pci, unsigned int bpl, unsigned int lines) { @@ -197,7 +197,7 @@ int cx25821_risc_buffer_upstream_audio(struct cx25821_dev *dev, return 0; } -void cx25821_free_memory_audio(struct cx25821_dev *dev) +static void cx25821_free_memory_audio(struct cx25821_dev *dev) { if (dev->_risc_virt_addr) { pci_free_consistent(dev->pci, dev->_audiorisc_size, @@ -256,7 +256,7 @@ void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev) cx25821_free_memory_audio(dev); } -int cx25821_get_audio_data(struct cx25821_dev *dev, +static int cx25821_get_audio_data(struct cx25821_dev *dev, struct sram_channel *sram_ch) { struct file *myfile; @@ -351,7 +351,7 @@ static void cx25821_audioups_handler(struct work_struct *work) sram_channels); } -int cx25821_openfile_audio(struct cx25821_dev *dev, +static int cx25821_openfile_audio(struct cx25821_dev *dev, struct sram_channel *sram_ch) { struct file *myfile; @@ -490,7 +490,7 @@ error: return ret; } -int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, +static int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num, u32 status) { int i = 0; @@ -634,8 +634,8 @@ static void cx25821_wait_fifo_enable(struct cx25821_dev *dev, } -int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev, - struct sram_channel *sram_ch) +static int cx25821_start_audio_dma_upstream(struct cx25821_dev *dev, + struct sram_channel *sram_ch) { u32 tmp = 0; int err = 0; @@ -700,9 +700,7 @@ fail_irq: int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) { struct sram_channel *sram_ch; - int retval = 0; int err = 0; - int str_length = 0; if (dev->_audio_is_running) { pr_warn("Audio Channel is still running so return!\n"); @@ -731,27 +729,29 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) _line_size = AUDIO_LINE_SIZE; if (dev->input_audiofilename) { - str_length = strlen(dev->input_audiofilename); - dev->_audiofilename = kmemdup(dev->input_audiofilename, - str_length + 1, GFP_KERNEL); + dev->_audiofilename = kstrdup(dev->input_audiofilename, + GFP_KERNEL); - if (!dev->_audiofilename) + if (!dev->_audiofilename) { + err = -ENOMEM; goto error; + } /* Default if filename is empty string */ if (strcmp(dev->input_audiofilename, "") == 0) dev->_audiofilename = "/root/audioGOOD.wav"; } else { - str_length = strlen(_defaultAudioName); - dev->_audiofilename = kmemdup(_defaultAudioName, - str_length + 1, GFP_KERNEL); + dev->_audiofilename = kstrdup(_defaultAudioName, + GFP_KERNEL); - if (!dev->_audiofilename) + if (!dev->_audiofilename) { + err = -ENOMEM; goto error; + } } - retval = cx25821_sram_channel_setup_upstream_audio(dev, sram_ch, - _line_size, 0); + cx25821_sram_channel_setup_upstream_audio(dev, sram_ch, + _line_size, 0); dev->audio_upstream_riscbuf_size = AUDIO_RISC_DMA_BUF_SIZE * NUM_AUDIO_PROGS + @@ -759,9 +759,9 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select) dev->audio_upstream_databuf_size = AUDIO_DATA_BUF_SZ * NUM_AUDIO_PROGS; /* Allocating buffers and prepare RISC program */ - retval = cx25821_audio_upstream_buffer_prepare(dev, sram_ch, + err = cx25821_audio_upstream_buffer_prepare(dev, sram_ch, _line_size); - if (retval < 0) { + if (err < 0) { pr_err("%s: Failed to set up Audio upstream buffers!\n", dev->name); goto error; diff --git a/drivers/media/pci/cx25821/cx25821-biffuncs.h b/drivers/media/pci/cx25821/cx25821-biffuncs.h index 9326a7c..937f5a7 100644 --- a/drivers/media/pci/cx25821/cx25821-biffuncs.h +++ b/drivers/media/pci/cx25821/cx25821-biffuncs.h @@ -25,17 +25,17 @@ #define SetBit(Bit) (1 << Bit) -inline u8 getBit(u32 sample, u8 index) +static inline u8 getBit(u32 sample, u8 index) { return (u8) ((sample >> index) & 1); } -inline u32 clearBitAtPos(u32 value, u8 bit) +static inline u32 clearBitAtPos(u32 value, u8 bit) { return value & ~(1 << bit); } -inline u32 setBitAtPos(u32 sample, u8 bit) +static inline u32 setBitAtPos(u32 sample, u8 bit) { sample |= (1 << bit); return sample; diff --git a/drivers/media/pci/cx25821/cx25821-i2c.c b/drivers/media/pci/cx25821/cx25821-i2c.c index 9844549..a8dc945 100644 --- a/drivers/media/pci/cx25821/cx25821-i2c.c +++ b/drivers/media/pci/cx25821/cx25821-i2c.c @@ -329,7 +329,8 @@ int cx25821_i2c_unregister(struct cx25821_i2c *bus) return 0; } -void cx25821_av_clk(struct cx25821_dev *dev, int enable) +#if 0 /* Currently unused */ +static void cx25821_av_clk(struct cx25821_dev *dev, int enable) { /* write 0 to bus 2 addr 0x144 via i2x_xfer() */ char buffer[3]; @@ -351,6 +352,7 @@ void cx25821_av_clk(struct cx25821_dev *dev, int enable) i2c_xfer(&dev->i2c_bus[0].i2c_adap, &msg, 1); } +#endif int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value) { diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c b/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c index d33fc1a..cf2723c 100644 --- a/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c +++ b/drivers/media/pci/cx25821/cx25821-video-upstream-ch2.c @@ -123,10 +123,11 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev, return rp; } -int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, - struct pci_dev *pci, - unsigned int top_offset, unsigned int bpl, - unsigned int lines) +static int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev, + struct pci_dev *pci, + unsigned int top_offset, + unsigned int bpl, + unsigned int lines) { __le32 *rp; int fifo_enable = 0; @@ -255,7 +256,8 @@ void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev) } } -int cx25821_get_frame_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) +static int cx25821_get_frame_ch2(struct cx25821_dev *dev, + struct sram_channel *sram_ch) { struct file *myfile; int frame_index_temp = dev->_frame_index_ch2; @@ -360,7 +362,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work) _channel2_upstream_select].sram_channels); } -int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch) +static int cx25821_openfile_ch2(struct cx25821_dev *dev, + struct sram_channel *sram_ch) { struct file *myfile; int i = 0, j = 0; @@ -507,8 +510,9 @@ error: return ret; } -int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num, - u32 status) +static int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, + int chan_num, + u32 status) { u32 int_msk_tmp; struct sram_channel *channel = dev->channels[chan_num].sram_channels; @@ -647,8 +651,8 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev, cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3); } -int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev, - struct sram_channel *sram_ch) +static int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev, + struct sram_channel *sram_ch) { u32 tmp = 0; int err = 0; @@ -704,11 +708,9 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, { struct sram_channel *sram_ch; u32 tmp; - int retval = 0; int err = 0; int data_frame_size = 0; int risc_buffer_size = 0; - int str_length = 0; if (dev->_is_running_ch2) { pr_info("Video Channel is still running so return!\n"); @@ -744,20 +746,16 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, risc_buffer_size = dev->_isNTSC_ch2 ? NTSC_RISC_BUF_SIZE : PAL_RISC_BUF_SIZE; - if (dev->input_filename_ch2) { - str_length = strlen(dev->input_filename_ch2); - dev->_filename_ch2 = kmemdup(dev->input_filename_ch2, - str_length + 1, GFP_KERNEL); - - if (!dev->_filename_ch2) - goto error; - } else { - str_length = strlen(dev->_defaultname_ch2); - dev->_filename_ch2 = kmemdup(dev->_defaultname_ch2, - str_length + 1, GFP_KERNEL); + if (dev->input_filename_ch2) + dev->_filename_ch2 = kstrdup(dev->input_filename_ch2, + GFP_KERNEL); + else + dev->_filename_ch2 = kstrdup(dev->_defaultname_ch2, + GFP_KERNEL); - if (!dev->_filename_ch2) - goto error; + if (!dev->_filename_ch2) { + err = -ENOENT; + goto error; } /* Default if filename is empty string */ @@ -773,7 +771,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, } } - retval = cx25821_sram_channel_setup_upstream(dev, sram_ch, + err = cx25821_sram_channel_setup_upstream(dev, sram_ch, dev->_line_size_ch2, 0); /* setup fifo + format */ @@ -783,9 +781,9 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, dev->upstream_databuf_size_ch2 = data_frame_size * 2; /* Allocating buffers and prepare RISC program */ - retval = cx25821_upstream_buffer_prepare_ch2(dev, sram_ch, + err = cx25821_upstream_buffer_prepare_ch2(dev, sram_ch, dev->_line_size_ch2); - if (retval < 0) { + if (err < 0) { pr_err("%s: Failed to set up Video upstream buffers!\n", dev->name); goto error; diff --git a/drivers/media/pci/cx25821/cx25821-video-upstream.c b/drivers/media/pci/cx25821/cx25821-video-upstream.c index 6759fff..7fc9711 100644 --- a/drivers/media/pci/cx25821/cx25821-video-upstream.c +++ b/drivers/media/pci/cx25821/cx25821-video-upstream.c @@ -173,10 +173,10 @@ static __le32 *cx25821_risc_field_upstream(struct cx25821_dev *dev, __le32 * rp, return rp; } -int cx25821_risc_buffer_upstream(struct cx25821_dev *dev, - struct pci_dev *pci, - unsigned int top_offset, - unsigned int bpl, unsigned int lines) +static int cx25821_risc_buffer_upstream(struct cx25821_dev *dev, + struct pci_dev *pci, + unsigned int top_offset, + unsigned int bpl, unsigned int lines) { __le32 *rp; int fifo_enable = 0; @@ -300,7 +300,8 @@ void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev) } } -int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch) +static int cx25821_get_frame(struct cx25821_dev *dev, + struct sram_channel *sram_ch) { struct file *myfile; int frame_index_temp = dev->_frame_index; @@ -405,7 +406,8 @@ static void cx25821_vidups_handler(struct work_struct *work) sram_channels); } -int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) +static int cx25821_openfile(struct cx25821_dev *dev, + struct sram_channel *sram_ch) { struct file *myfile; int i = 0, j = 0; @@ -486,8 +488,9 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch) return 0; } -int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev, - struct sram_channel *sram_ch, int bpl) +static int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev, + struct sram_channel *sram_ch, + int bpl) { int ret = 0; dma_addr_t dma_addr; @@ -548,8 +551,8 @@ error: return ret; } -int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num, - u32 status) +static int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num, + u32 status) { u32 int_msk_tmp; struct sram_channel *channel = dev->channels[chan_num].sram_channels; @@ -664,8 +667,9 @@ static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id) return IRQ_RETVAL(handled); } -void cx25821_set_pixelengine(struct cx25821_dev *dev, struct sram_channel *ch, - int pix_format) +static void cx25821_set_pixelengine(struct cx25821_dev *dev, + struct sram_channel *ch, + int pix_format) { int width = WIDTH_D1; int height = dev->_lines_count; @@ -696,8 +700,8 @@ void cx25821_set_pixelengine(struct cx25821_dev *dev, struct sram_channel *ch, cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3); } -int cx25821_start_video_dma_upstream(struct cx25821_dev *dev, - struct sram_channel *sram_ch) +static int cx25821_start_video_dma_upstream(struct cx25821_dev *dev, + struct sram_channel *sram_ch) { u32 tmp = 0; int err = 0; @@ -753,7 +757,6 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, { struct sram_channel *sram_ch; u32 tmp; - int retval = 0; int err = 0; int data_frame_size = 0; int risc_buffer_size = 0; @@ -796,15 +799,19 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, dev->_filename = kmemdup(dev->input_filename, str_length + 1, GFP_KERNEL); - if (!dev->_filename) + if (!dev->_filename) { + err = -ENOENT; goto error; + } } else { str_length = strlen(dev->_defaultname); dev->_filename = kmemdup(dev->_defaultname, str_length + 1, GFP_KERNEL); - if (!dev->_filename) + if (!dev->_filename) { + err = -ENOENT; goto error; + } } /* Default if filename is empty string */ @@ -828,7 +835,7 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, dev->_line_size = (dev->_pixel_format == PIXEL_FRMT_422) ? (WIDTH_D1 * 2) : (WIDTH_D1 * 3) / 2; - retval = cx25821_sram_channel_setup_upstream(dev, sram_ch, + err = cx25821_sram_channel_setup_upstream(dev, sram_ch, dev->_line_size, 0); /* setup fifo + format */ @@ -838,8 +845,8 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, dev->upstream_databuf_size = data_frame_size * 2; /* Allocating buffers and prepare RISC program */ - retval = cx25821_upstream_buffer_prepare(dev, sram_ch, dev->_line_size); - if (retval < 0) { + err = cx25821_upstream_buffer_prepare(dev, sram_ch, dev->_line_size); + if (err < 0) { pr_err("%s: Failed to set up Video upstream buffers!\n", dev->name); goto error; diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c index 0a80245..53b16dd 100644 --- a/drivers/media/pci/cx25821/cx25821-video.c +++ b/drivers/media/pci/cx25821/cx25821-video.c @@ -291,9 +291,9 @@ int cx25821_start_video_dma(struct cx25821_dev *dev, return 0; } -int cx25821_restart_video_queue(struct cx25821_dev *dev, - struct cx25821_dmaqueue *q, - struct sram_channel *channel) +static int cx25821_restart_video_queue(struct cx25821_dev *dev, + struct cx25821_dmaqueue *q, + struct sram_channel *channel) { struct cx25821_buffer *buf, *prev; struct list_head *item; @@ -342,7 +342,7 @@ int cx25821_restart_video_queue(struct cx25821_dev *dev, } } -void cx25821_vid_timeout(unsigned long data) +static void cx25821_vid_timeout(unsigned long data) { struct cx25821_data *timeout_data = (struct cx25821_data *)data; struct cx25821_dev *dev = timeout_data->dev; diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c index 3aa6856..d2de1a9 100644 --- a/drivers/media/pci/cx88/cx88-alsa.c +++ b/drivers/media/pci/cx88/cx88-alsa.c @@ -45,11 +45,15 @@ #include "cx88.h" #include "cx88-reg.h" -#define dprintk(level,fmt, arg...) if (debug >= level) \ - printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg) - -#define dprintk_core(level,fmt, arg...) if (debug >= level) \ - printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg) +#define dprintk(level, fmt, arg...) do { \ + if (debug + 1 > level) \ + printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg);\ +} while(0) + +#define dprintk_core(level, fmt, arg...) do { \ + if (debug + 1 > level) \ + printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg);\ +} while(0) /**************************************************************************** Data type declarations - Can be moded to a header file later diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c index 62184eb..a6ff8a6 100644 --- a/drivers/media/pci/cx88/cx88-blackbird.c +++ b/drivers/media/pci/cx88/cx88-blackbird.c @@ -53,9 +53,10 @@ static unsigned int debug; module_param(debug,int,0644); MODULE_PARM_DESC(debug,"enable debug messages [blackbird]"); -#define dprintk(level,fmt, arg...) if (debug >= level) \ - printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg) - +#define dprintk(level, fmt, arg...) do { \ + if (debug + 1 > level) \ + printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg); \ +} while(0) /* ------------------------------------------------------------------ */ diff --git a/drivers/media/pci/cx88/cx88-core.c b/drivers/media/pci/cx88/cx88-core.c index c97b174..19a5875 100644 --- a/drivers/media/pci/cx88/cx88-core.c +++ b/drivers/media/pci/cx88/cx88-core.c @@ -646,22 +646,22 @@ int cx88_reset(struct cx88_core *core) /* ------------------------------------------------------------------ */ -static unsigned int inline norm_swidth(v4l2_std_id norm) +static inline unsigned int norm_swidth(v4l2_std_id norm) { return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; } -static unsigned int inline norm_hdelay(v4l2_std_id norm) +static inline unsigned int norm_hdelay(v4l2_std_id norm) { return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 135 : 186; } -static unsigned int inline norm_vdelay(v4l2_std_id norm) +static inline unsigned int norm_vdelay(v4l2_std_id norm) { return (norm & V4L2_STD_625_50) ? 0x24 : 0x18; } -static unsigned int inline norm_fsc8(v4l2_std_id norm) +static inline unsigned int norm_fsc8(v4l2_std_id norm) { if (norm & V4L2_STD_PAL_M) return 28604892; // 3.575611 MHz @@ -681,7 +681,7 @@ static unsigned int inline norm_fsc8(v4l2_std_id norm) return 35468950; // 4.43361875 MHz +/- 5 Hz } -static unsigned int inline norm_htotal(v4l2_std_id norm) +static inline unsigned int norm_htotal(v4l2_std_id norm) { unsigned int fsc4=norm_fsc8(norm)/2; @@ -692,7 +692,7 @@ static unsigned int inline norm_htotal(v4l2_std_id norm) ((fsc4+262)/525*1001+15000)/30000; } -static unsigned int inline norm_vbipack(v4l2_std_id norm) +static inline unsigned int norm_vbipack(v4l2_std_id norm) { return (norm & V4L2_STD_625_50) ? 511 : 400; } diff --git a/drivers/media/pci/cx88/cx88-input.c b/drivers/media/pci/cx88/cx88-input.c index ebf448c..f29e18c 100644 --- a/drivers/media/pci/cx88/cx88-input.c +++ b/drivers/media/pci/cx88/cx88-input.c @@ -248,7 +248,7 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) struct cx88_IR *ir; struct rc_dev *dev; char *ir_codes = NULL; - u64 rc_type = RC_TYPE_OTHER; + u64 rc_type = RC_BIT_OTHER; int err = -ENOMEM; u32 hardware_mask = 0; /* For devices with a hardware mask, when * used with a full-code IR table @@ -416,7 +416,7 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) break; case CX88_BOARD_TWINHAN_VP1027_DVBS: ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; - rc_type = RC_TYPE_NEC; + rc_type = RC_BIT_NEC; ir->sampling = 0xff00; /* address */ break; } @@ -592,7 +592,7 @@ void cx88_i2c_init_ir(struct cx88_core *core) case CX88_BOARD_LEADTEK_PVR2000: addr_list = pvr2000_addr_list; core->init_data.name = "cx88 Leadtek PVR 2000 remote"; - core->init_data.type = RC_TYPE_UNKNOWN; + core->init_data.type = RC_BIT_UNKNOWN; core->init_data.get_key = get_key_pvr2000; core->init_data.ir_codes = RC_MAP_EMPTY; break; @@ -613,7 +613,7 @@ void cx88_i2c_init_ir(struct cx88_core *core) /* Hauppauge XVR */ core->init_data.name = "cx88 Hauppauge XVR remote"; core->init_data.ir_codes = RC_MAP_HAUPPAUGE; - core->init_data.type = RC_TYPE_RC5; + core->init_data.type = RC_BIT_RC5; core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; info.platform_data = &core->init_data; diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c index d154bc1..d46b008 100644 --- a/drivers/media/pci/cx88/cx88-mpeg.c +++ b/drivers/media/pci/cx88/cx88-mpeg.c @@ -45,11 +45,15 @@ static unsigned int debug; module_param(debug,int,0644); MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); -#define dprintk(level,fmt, arg...) if (debug >= level) \ - printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg) +#define dprintk(level, fmt, arg...) do { \ + if (debug + 1 > level) \ + printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg); \ +} while(0) -#define mpeg_dbg(level,fmt, arg...) if (debug >= level) \ - printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg) +#define mpeg_dbg(level, fmt, arg...) do { \ + if (debug + 1 > level) \ + printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg); \ +} while(0) #if defined(CONFIG_MODULES) && defined(MODULE) static void request_module_async(struct work_struct *work) @@ -217,8 +221,7 @@ static int cx8802_restart_queue(struct cx8802_dev *dev, return 0; buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); if (NULL == prev) { - list_del(&buf->vb.queue); - list_add_tail(&buf->vb.queue,&q->active); + list_move_tail(&buf->vb.queue, &q->active); cx8802_start_dma(dev, q, buf); buf->vb.state = VIDEOBUF_ACTIVE; buf->count = q->count++; @@ -229,8 +232,7 @@ static int cx8802_restart_queue(struct cx8802_dev *dev, } else if (prev->vb.width == buf->vb.width && prev->vb.height == buf->vb.height && prev->fmt == buf->fmt) { - list_del(&buf->vb.queue); - list_add_tail(&buf->vb.queue,&q->active); + list_move_tail(&buf->vb.queue, &q->active); buf->vb.state = VIDEOBUF_ACTIVE; buf->count = q->count++; prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); diff --git a/drivers/media/pci/cx88/cx88.h b/drivers/media/pci/cx88/cx88.h index 44ffc8b..ba0dba4 100644 --- a/drivers/media/pci/cx88/cx88.h +++ b/drivers/media/pci/cx88/cx88.h @@ -94,13 +94,13 @@ enum cx8802_board_access { /* ----------------------------------------------------------- */ /* tv norms */ -static unsigned int inline norm_maxw(v4l2_std_id norm) +static inline unsigned int norm_maxw(v4l2_std_id norm) { return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768; } -static unsigned int inline norm_maxh(v4l2_std_id norm) +static inline unsigned int norm_maxh(v4l2_std_id norm) { return (norm & V4L2_STD_625_50) ? 576 : 480; } diff --git a/drivers/media/pci/dm1105/dm1105.c b/drivers/media/pci/dm1105/dm1105.c index a609b3a..f288ffc 100644 --- a/drivers/media/pci/dm1105/dm1105.c +++ b/drivers/media/pci/dm1105/dm1105.c @@ -736,7 +736,7 @@ static irqreturn_t dm1105_irq(int irq, void *dev_id) return IRQ_HANDLED; } -int __devinit dm1105_ir_init(struct dm1105_dev *dm1105) +static int __devinit dm1105_ir_init(struct dm1105_dev *dm1105) { struct rc_dev *dev; int err = -ENOMEM; @@ -776,7 +776,7 @@ int __devinit dm1105_ir_init(struct dm1105_dev *dm1105) return 0; } -void __devexit dm1105_ir_exit(struct dm1105_dev *dm1105) +static void __devexit dm1105_ir_exit(struct dm1105_dev *dm1105) { rc_unregister_device(dm1105->ir.dev); } @@ -1128,8 +1128,10 @@ static int __devinit dm1105_probe(struct pci_dev *pdev, INIT_WORK(&dev->work, dm1105_dmx_buffer); sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num); dev->wq = create_singlethread_workqueue(dev->wqn); - if (!dev->wq) + if (!dev->wq) { + ret = -ENOMEM; goto err_dvb_net; + } ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED, DRIVER_NAME, dev); diff --git a/drivers/media/pci/ivtv/ivtv-alsa-main.c b/drivers/media/pci/ivtv/ivtv-alsa-main.c index 8deab16..4a221c6 100644 --- a/drivers/media/pci/ivtv/ivtv-alsa-main.c +++ b/drivers/media/pci/ivtv/ivtv-alsa-main.c @@ -205,7 +205,7 @@ err_exit: return ret; } -int ivtv_alsa_load(struct ivtv *itv) +static int __init ivtv_alsa_load(struct ivtv *itv) { struct v4l2_device *v4l2_dev = &itv->v4l2_dev; struct ivtv_stream *s; diff --git a/drivers/media/pci/ivtv/ivtv-alsa-pcm.c b/drivers/media/pci/ivtv/ivtv-alsa-pcm.c index f7022bd..e1863db 100644 --- a/drivers/media/pci/ivtv/ivtv-alsa-pcm.c +++ b/drivers/media/pci/ivtv/ivtv-alsa-pcm.c @@ -37,6 +37,7 @@ #include "ivtv-streams.h" #include "ivtv-fileops.h" #include "ivtv-alsa.h" +#include "ivtv-alsa-pcm.h" static unsigned int pcm_debug; module_param(pcm_debug, int, 0644); @@ -69,8 +70,9 @@ static struct snd_pcm_hardware snd_ivtv_hw_capture = { .periods_max = 98, /* 12544, */ }; -void ivtv_alsa_announce_pcm_data(struct snd_ivtv_card *itvsc, u8 *pcm_data, - size_t num_bytes) +static void ivtv_alsa_announce_pcm_data(struct snd_ivtv_card *itvsc, + u8 *pcm_data, + size_t num_bytes) { struct snd_pcm_substream *substream; struct snd_pcm_runtime *runtime; diff --git a/drivers/media/pci/ivtv/ivtv-alsa-pcm.h b/drivers/media/pci/ivtv/ivtv-alsa-pcm.h index 5ab1831..23dfe0d 100644 --- a/drivers/media/pci/ivtv/ivtv-alsa-pcm.h +++ b/drivers/media/pci/ivtv/ivtv-alsa-pcm.h @@ -21,7 +21,3 @@ */ int __init snd_ivtv_pcm_create(struct snd_ivtv_card *itvsc); - -/* Used by ivtv driver to announce the PCM data to the module */ -void ivtv_alsa_announce_pcm_data(struct snd_ivtv_card *card, u8 *pcm_data, - size_t num_bytes); diff --git a/drivers/media/pci/ivtv/ivtv-firmware.c b/drivers/media/pci/ivtv/ivtv-firmware.c index 6ec7705..68387d4 100644 --- a/drivers/media/pci/ivtv/ivtv-firmware.c +++ b/drivers/media/pci/ivtv/ivtv-firmware.c @@ -276,7 +276,7 @@ void ivtv_init_mpeg_decoder(struct ivtv *itv) } /* Try to restart the card & restore previous settings */ -int ivtv_firmware_restart(struct ivtv *itv) +static int ivtv_firmware_restart(struct ivtv *itv) { int rc = 0; v4l2_std_id std; diff --git a/drivers/media/pci/ivtv/ivtv-i2c.c b/drivers/media/pci/ivtv/ivtv-i2c.c index d47f41a..46e262b 100644 --- a/drivers/media/pci/ivtv/ivtv-i2c.c +++ b/drivers/media/pci/ivtv/ivtv-i2c.c @@ -200,21 +200,21 @@ static int ivtv_i2c_new_ir(struct ivtv *itv, u32 hw, const char *type, u8 addr) init_data->ir_codes = RC_MAP_AVERMEDIA_CARDBUS; init_data->internal_get_key_func = IR_KBD_GET_KEY_AVERMEDIA_CARDBUS; - init_data->type = RC_TYPE_OTHER; + init_data->type = RC_BIT_OTHER; init_data->name = "AVerMedia AVerTV card"; break; case IVTV_HW_I2C_IR_RX_HAUP_EXT: case IVTV_HW_I2C_IR_RX_HAUP_INT: init_data->ir_codes = RC_MAP_HAUPPAUGE; init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP; - init_data->type = RC_TYPE_RC5; + init_data->type = RC_BIT_RC5; init_data->name = itv->card_name; break; case IVTV_HW_Z8F0811_IR_RX_HAUP: /* Default to grey remote */ init_data->ir_codes = RC_MAP_HAUPPAUGE; init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; - init_data->type = RC_TYPE_RC5; + init_data->type = RC_BIT_RC5; init_data->name = itv->card_name; break; case IVTV_HW_I2C_IR_RX_ADAPTEC: @@ -222,7 +222,7 @@ static int ivtv_i2c_new_ir(struct ivtv *itv, u32 hw, const char *type, u8 addr) init_data->name = itv->card_name; /* FIXME: The protocol and RC_MAP needs to be corrected */ init_data->ir_codes = RC_MAP_EMPTY; - init_data->type = RC_TYPE_UNKNOWN; + init_data->type = RC_BIT_UNKNOWN; break; } diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c index 949ae23..7a8b0d0 100644 --- a/drivers/media/pci/ivtv/ivtv-ioctl.c +++ b/drivers/media/pci/ivtv/ivtv-ioctl.c @@ -993,7 +993,7 @@ int ivtv_s_input(struct file *file, void *fh, unsigned int inp) v4l2_std_id std; int i; - if (inp < 0 || inp >= itv->nof_inputs) + if (inp >= itv->nof_inputs) return -EINVAL; if (inp == itv->active_input) { @@ -1168,7 +1168,7 @@ void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std) } } -int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std) +static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std) { struct ivtv *itv = fh2id(fh)->itv; diff --git a/drivers/media/pci/mantis/mantis_input.c b/drivers/media/pci/mantis/mantis_input.c index db6d54d..0e5252e 100644 --- a/drivers/media/pci/mantis/mantis_input.c +++ b/drivers/media/pci/mantis/mantis_input.c @@ -18,6 +18,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#if 0 /* Currently unused */ + #include <media/rc-core.h> #include <linux/pci.h> @@ -150,10 +152,11 @@ out: return err; } -int mantis_exit(struct mantis_pci *mantis) +int mantis_init_exit(struct mantis_pci *mantis) { rc_unregister_device(mantis->rc); rc_map_unregister(&ir_mantis_map); return 0; } +#endif diff --git a/drivers/media/pci/mantis/mantis_uart.c b/drivers/media/pci/mantis/mantis_uart.c index 85e9778..a707192 100644 --- a/drivers/media/pci/mantis/mantis_uart.c +++ b/drivers/media/pci/mantis/mantis_uart.c @@ -61,7 +61,7 @@ static struct { #define UART_MAX_BUF 16 -int mantis_uart_read(struct mantis_pci *mantis, u8 *data) +static int mantis_uart_read(struct mantis_pci *mantis, u8 *data) { struct mantis_hwconfig *config = mantis->hwconfig; u32 stat = 0, i; diff --git a/drivers/media/pci/mantis/mantis_vp1033.c b/drivers/media/pci/mantis/mantis_vp1033.c index ad013e9..115003e8 100644 --- a/drivers/media/pci/mantis/mantis_vp1033.c +++ b/drivers/media/pci/mantis/mantis_vp1033.c @@ -83,7 +83,7 @@ u8 lgtdqcs001f_inittab[] = { #define MANTIS_MODEL_NAME "VP-1033" #define MANTIS_DEV_TYPE "DVB-S/DSS" -int lgtdqcs001f_tuner_set(struct dvb_frontend *fe) +static int lgtdqcs001f_tuner_set(struct dvb_frontend *fe) { struct dtv_frontend_properties *p = &fe->dtv_property_cache; struct mantis_pci *mantis = fe->dvb->priv; @@ -115,8 +115,8 @@ int lgtdqcs001f_tuner_set(struct dvb_frontend *fe) return 0; } -int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe, - u32 srate, u32 ratio) +static int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe, + u32 srate, u32 ratio) { u8 aclk = 0; u8 bclk = 0; diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c index e5a76da..ae7d320 100644 --- a/drivers/media/pci/meye/meye.c +++ b/drivers/media/pci/meye/meye.c @@ -1945,7 +1945,7 @@ static struct pci_driver meye_driver = { static int __init meye_init(void) { gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS)); - if (gbufsize < 0 || gbufsize > MEYE_MAX_BUFSIZE) + if (gbufsize > MEYE_MAX_BUFSIZE) gbufsize = MEYE_MAX_BUFSIZE; gbufsize = PAGE_ALIGN(gbufsize); printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) " diff --git a/drivers/media/pci/ngene/ngene-cards.c b/drivers/media/pci/ngene/ngene-cards.c index 96a13ed..b38bce5 100644 --- a/drivers/media/pci/ngene/ngene-cards.c +++ b/drivers/media/pci/ngene/ngene-cards.c @@ -425,8 +425,10 @@ static int ReadEEProm(struct i2c_adapter *adapter, status = i2c_read_eeprom(adapter, 0x50, Addr, data, Length); if (!status) { *pLength = EETag[2]; +#if 0 if (Length < EETag[2]) - ; /*status=STATUS_BUFFER_OVERFLOW; */ + status = STATUS_BUFFER_OVERFLOW; +#endif } } return status; diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c index c8e0d5b..8eeec4f 100644 --- a/drivers/media/pci/ngene/ngene-core.c +++ b/drivers/media/pci/ngene/ngene-core.c @@ -752,8 +752,8 @@ void set_transfer(struct ngene_channel *chan, int state) if (chan->mode & NGENE_IO_TSIN) chan->pBufferExchange = tsin_exchange; spin_unlock_irq(&chan->state_lock); - } else - ;/* printk(KERN_INFO DEVICE_NAME ": lock=%08x\n", + } + /* else printk(KERN_INFO DEVICE_NAME ": lock=%08x\n", ngreadl(0x9310)); */ ret = ngene_command_stream_control(dev, chan->number, @@ -1691,7 +1691,8 @@ int __devinit ngene_probe(struct pci_dev *pci_dev, dev->i2c_current_bus = -1; /* Register DVB adapters and devices for both channels */ - if (init_channels(dev) < 0) + stat = init_channels(dev); + if (stat < 0) goto fail2; return 0; diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c index f2b37e0..8976d0e 100644 --- a/drivers/media/pci/saa7134/saa7134-core.c +++ b/drivers/media/pci/saa7134/saa7134-core.c @@ -944,8 +944,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, /* board config */ dev->board = pci_id->driver_data; - if (card[dev->nr] >= 0 && - card[dev->nr] < saa7134_bcount) + if ((unsigned)card[dev->nr] < saa7134_bcount) dev->board = card[dev->nr]; if (SAA7134_BOARD_UNKNOWN == dev->board) must_configure_manually(0); diff --git a/drivers/media/pci/saa7134/saa7134-input.c b/drivers/media/pci/saa7134/saa7134-input.c index 0f78f5e..e761262 100644 --- a/drivers/media/pci/saa7134/saa7134-input.c +++ b/drivers/media/pci/saa7134/saa7134-input.c @@ -990,7 +990,7 @@ void saa7134_probe_i2c_ir(struct saa7134_dev *dev) dev->init_data.name = "BeholdTV"; dev->init_data.get_key = get_key_beholdm6xx; dev->init_data.ir_codes = RC_MAP_BEHOLD; - dev->init_data.type = RC_TYPE_NEC; + dev->init_data.type = RC_BIT_NEC; info.addr = 0x2d; break; case SAA7134_BOARD_AVERMEDIA_CARDBUS_501: diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index 4a77124..3abf527 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -2511,7 +2511,7 @@ int saa7134_video_init1(struct saa7134_dev *dev) /* sanitycheck insmod options */ if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) gbuffers = 2; - if (gbufsize < 0 || gbufsize > gbufsize_max) + if (gbufsize > gbufsize_max) gbufsize = gbufsize_max; gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; diff --git a/drivers/media/pci/saa7164/saa7164-api.c b/drivers/media/pci/saa7164/saa7164-api.c index eff7135..e042963 100644 --- a/drivers/media/pci/saa7164/saa7164-api.c +++ b/drivers/media/pci/saa7164/saa7164-api.c @@ -165,7 +165,7 @@ int saa7164_api_set_vbi_format(struct saa7164_port *port) return ret; } -int saa7164_api_set_gop_size(struct saa7164_port *port) +static int saa7164_api_set_gop_size(struct saa7164_port *port) { struct saa7164_dev *dev = port->dev; struct tmComResEncVideoGopStructure gs; @@ -619,7 +619,7 @@ int saa7164_api_get_videomux(struct saa7164_port *port) return ret; } -int saa7164_api_set_dif(struct saa7164_port *port, u8 reg, u8 val) +static int saa7164_api_set_dif(struct saa7164_port *port, u8 reg, u8 val) { struct saa7164_dev *dev = port->dev; @@ -822,8 +822,8 @@ int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen) ®[0], 128, buf); } -int saa7164_api_configure_port_vbi(struct saa7164_dev *dev, - struct saa7164_port *port) +static int saa7164_api_configure_port_vbi(struct saa7164_dev *dev, + struct saa7164_port *port) { struct tmComResVBIFormatDescrHeader *fmt = &port->vbi_fmt_ntsc; @@ -858,9 +858,10 @@ int saa7164_api_configure_port_vbi(struct saa7164_dev *dev, return 0; } -int saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev, - struct saa7164_port *port, - struct tmComResTSFormatDescrHeader *tsfmt) +static int +saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev, + struct saa7164_port *port, + struct tmComResTSFormatDescrHeader *tsfmt) { dprintk(DBGLVL_API, " bFormatIndex = 0x%x\n", tsfmt->bFormatIndex); dprintk(DBGLVL_API, " bDataOffset = 0x%x\n", tsfmt->bDataOffset); @@ -892,9 +893,10 @@ int saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev, return 0; } -int saa7164_api_configure_port_mpeg2ps(struct saa7164_dev *dev, - struct saa7164_port *port, - struct tmComResPSFormatDescrHeader *fmt) +static int +saa7164_api_configure_port_mpeg2ps(struct saa7164_dev *dev, + struct saa7164_port *port, + struct tmComResPSFormatDescrHeader *fmt) { dprintk(DBGLVL_API, " bFormatIndex = 0x%x\n", fmt->bFormatIndex); dprintk(DBGLVL_API, " wPacketLength= 0x%x\n", fmt->wPacketLength); @@ -925,7 +927,7 @@ int saa7164_api_configure_port_mpeg2ps(struct saa7164_dev *dev, return 0; } -int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len) +static int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len) { struct saa7164_port *tsport = NULL; struct saa7164_port *encport = NULL; @@ -1486,7 +1488,7 @@ int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen, return ret == SAA_OK ? 0 : -EIO; } -int saa7164_api_modify_gpio(struct saa7164_dev *dev, u8 unitid, +static int saa7164_api_modify_gpio(struct saa7164_dev *dev, u8 unitid, u8 pin, u8 state) { int ret; diff --git a/drivers/media/pci/saa7164/saa7164-bus.c b/drivers/media/pci/saa7164/saa7164-bus.c index a7f58a9..5f6f309 100644 --- a/drivers/media/pci/saa7164/saa7164-bus.c +++ b/drivers/media/pci/saa7164/saa7164-bus.c @@ -81,7 +81,7 @@ void saa7164_bus_dump(struct saa7164_dev *dev) } /* Intensionally throw a BUG() if the state of the message bus looks corrupt */ -void saa7164_bus_verify(struct saa7164_dev *dev) +static void saa7164_bus_verify(struct saa7164_dev *dev) { struct tmComResBusInfo *b = &dev->bus; int bug = 0; @@ -106,8 +106,8 @@ void saa7164_bus_verify(struct saa7164_dev *dev) } } -void saa7164_bus_dumpmsg(struct saa7164_dev *dev, struct tmComResInfo* m, - void *buf) +static void saa7164_bus_dumpmsg(struct saa7164_dev *dev, struct tmComResInfo *m, + void *buf) { dprintk(DBGLVL_BUS, "Dumping msg structure:\n"); dprintk(DBGLVL_BUS, " .id = %d\n", m->id); diff --git a/drivers/media/pci/saa7164/saa7164-cmd.c b/drivers/media/pci/saa7164/saa7164-cmd.c index 62fac7f..cfabcba 100644 --- a/drivers/media/pci/saa7164/saa7164-cmd.c +++ b/drivers/media/pci/saa7164/saa7164-cmd.c @@ -23,7 +23,7 @@ #include "saa7164.h" -int saa7164_cmd_alloc_seqno(struct saa7164_dev *dev) +static int saa7164_cmd_alloc_seqno(struct saa7164_dev *dev) { int i, ret = -1; @@ -42,7 +42,7 @@ int saa7164_cmd_alloc_seqno(struct saa7164_dev *dev) return ret; } -void saa7164_cmd_free_seqno(struct saa7164_dev *dev, u8 seqno) +static void saa7164_cmd_free_seqno(struct saa7164_dev *dev, u8 seqno) { mutex_lock(&dev->lock); if ((dev->cmds[seqno].inuse == 1) && @@ -54,7 +54,7 @@ void saa7164_cmd_free_seqno(struct saa7164_dev *dev, u8 seqno) mutex_unlock(&dev->lock); } -void saa7164_cmd_timeout_seqno(struct saa7164_dev *dev, u8 seqno) +static void saa7164_cmd_timeout_seqno(struct saa7164_dev *dev, u8 seqno) { mutex_lock(&dev->lock); if ((dev->cmds[seqno].inuse == 1) && @@ -64,7 +64,7 @@ void saa7164_cmd_timeout_seqno(struct saa7164_dev *dev, u8 seqno) mutex_unlock(&dev->lock); } -u32 saa7164_cmd_timeout_get(struct saa7164_dev *dev, u8 seqno) +static u32 saa7164_cmd_timeout_get(struct saa7164_dev *dev, u8 seqno) { int ret = 0; @@ -132,7 +132,7 @@ int saa7164_irq_dequeue(struct saa7164_dev *dev) /* Commands to the f/w get marshelled to/from this code then onto the PCI * -bus/c running buffer. */ -int saa7164_cmd_dequeue(struct saa7164_dev *dev) +static int saa7164_cmd_dequeue(struct saa7164_dev *dev) { int loop = 1; int ret; @@ -186,8 +186,8 @@ int saa7164_cmd_dequeue(struct saa7164_dev *dev) return SAA_OK; } -int saa7164_cmd_set(struct saa7164_dev *dev, struct tmComResInfo *msg, - void *buf) +static int saa7164_cmd_set(struct saa7164_dev *dev, struct tmComResInfo *msg, + void *buf) { struct tmComResBusInfo *bus = &dev->bus; u8 cmd_sent; @@ -259,7 +259,7 @@ out: /* Wait for a signal event, without holding a mutex. Either return TIMEOUT if * the event never occurred, or SAA_OK if it was signaled during the wait. */ -int saa7164_cmd_wait(struct saa7164_dev *dev, u8 seqno) +static int saa7164_cmd_wait(struct saa7164_dev *dev, u8 seqno) { wait_queue_head_t *q = NULL; int ret = SAA_BUS_TIMEOUT; diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c index 2c9ad87..063047f 100644 --- a/drivers/media/pci/saa7164/saa7164-core.c +++ b/drivers/media/pci/saa7164/saa7164-core.c @@ -410,7 +410,7 @@ static void saa7164_work_enchandler(struct work_struct *w) } else rp = (port->last_svc_rp + 1) % 8; - if ((rp < 0) || (rp > (port->hwcfg.buffercount - 1))) { + if (rp > (port->hwcfg.buffercount - 1)) { printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp); break; } @@ -486,7 +486,7 @@ static void saa7164_work_vbihandler(struct work_struct *w) } else rp = (port->last_svc_rp + 1) % 8; - if ((rp < 0) || (rp > (port->hwcfg.buffercount - 1))) { + if (rp > (port->hwcfg.buffercount - 1)) { printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp); break; } diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c index a9ed686..994018e 100644 --- a/drivers/media/pci/saa7164/saa7164-encoder.c +++ b/drivers/media/pci/saa7164/saa7164-encoder.c @@ -1101,7 +1101,8 @@ static int fops_release(struct file *file) return 0; } -struct saa7164_user_buffer *saa7164_enc_next_buf(struct saa7164_port *port) +static struct +saa7164_user_buffer *saa7164_enc_next_buf(struct saa7164_port *port) { struct saa7164_user_buffer *ubuf = NULL; struct saa7164_dev *dev = port->dev; @@ -1287,8 +1288,8 @@ static const struct v4l2_file_operations mpeg_fops = { .unlocked_ioctl = video_ioctl2, }; -int saa7164_g_chip_ident(struct file *file, void *fh, - struct v4l2_dbg_chip_ident *chip) +static int saa7164_g_chip_ident(struct file *file, void *fh, + struct v4l2_dbg_chip_ident *chip) { struct saa7164_port *port = ((struct saa7164_encoder_fh *)fh)->port; struct saa7164_dev *dev = port->dev; @@ -1297,8 +1298,8 @@ int saa7164_g_chip_ident(struct file *file, void *fh, return 0; } -int saa7164_g_register(struct file *file, void *fh, - struct v4l2_dbg_register *reg) +static int saa7164_g_register(struct file *file, void *fh, + struct v4l2_dbg_register *reg) { struct saa7164_port *port = ((struct saa7164_encoder_fh *)fh)->port; struct saa7164_dev *dev = port->dev; @@ -1310,8 +1311,8 @@ int saa7164_g_register(struct file *file, void *fh, return 0; } -int saa7164_s_register(struct file *file, void *fh, - struct v4l2_dbg_register *reg) +static int saa7164_s_register(struct file *file, void *fh, + struct v4l2_dbg_register *reg) { struct saa7164_port *port = ((struct saa7164_encoder_fh *)fh)->port; struct saa7164_dev *dev = port->dev; diff --git a/drivers/media/pci/saa7164/saa7164-fw.c b/drivers/media/pci/saa7164/saa7164-fw.c index a266bf0..8676320 100644 --- a/drivers/media/pci/saa7164/saa7164-fw.c +++ b/drivers/media/pci/saa7164/saa7164-fw.c @@ -37,7 +37,7 @@ struct fw_header { u32 version; }; -int saa7164_dl_wait_ack(struct saa7164_dev *dev, u32 reg) +static int saa7164_dl_wait_ack(struct saa7164_dev *dev, u32 reg) { u32 timeout = SAA_DEVICE_TIMEOUT; while ((saa7164_readl(reg) & 0x01) == 0) { @@ -53,7 +53,7 @@ int saa7164_dl_wait_ack(struct saa7164_dev *dev, u32 reg) return 0; } -int saa7164_dl_wait_clr(struct saa7164_dev *dev, u32 reg) +static int saa7164_dl_wait_clr(struct saa7164_dev *dev, u32 reg) { u32 timeout = SAA_DEVICE_TIMEOUT; while (saa7164_readl(reg) & 0x01) { @@ -71,8 +71,8 @@ int saa7164_dl_wait_clr(struct saa7164_dev *dev, u32 reg) /* TODO: move dlflags into dev-> and change to write/readl/b */ /* TODO: Excessive levels of debug */ -int saa7164_downloadimage(struct saa7164_dev *dev, u8 *src, u32 srcsize, - u32 dlflags, u8 *dst, u32 dstsize) +static int saa7164_downloadimage(struct saa7164_dev *dev, u8 *src, u32 srcsize, + u32 dlflags, u8 *dst, u32 dstsize) { u32 reg, timeout, offset; u8 *srcbuf = NULL; diff --git a/drivers/media/pci/saa7164/saa7164-vbi.c b/drivers/media/pci/saa7164/saa7164-vbi.c index d8e6c8f..b453229 100644 --- a/drivers/media/pci/saa7164/saa7164-vbi.c +++ b/drivers/media/pci/saa7164/saa7164-vbi.c @@ -984,7 +984,8 @@ out: return ret; } -int saa7164_vbi_fmt(struct file *file, void *priv, struct v4l2_format *f) +static int saa7164_vbi_fmt(struct file *file, void *priv, + struct v4l2_format *f) { /* ntsc */ f->fmt.vbi.samples_per_line = 1600; @@ -1047,7 +1048,8 @@ static int fops_release(struct file *file) return 0; } -struct saa7164_user_buffer *saa7164_vbi_next_buf(struct saa7164_port *port) +static struct +saa7164_user_buffer *saa7164_vbi_next_buf(struct saa7164_port *port) { struct saa7164_user_buffer *ubuf = NULL; struct saa7164_dev *dev = port->dev; diff --git a/drivers/media/pci/ttpci/av7110.h b/drivers/media/pci/ttpci/av7110.h index 88b3b2d..a378662 100644 --- a/drivers/media/pci/ttpci/av7110.h +++ b/drivers/media/pci/ttpci/av7110.h @@ -6,6 +6,7 @@ #include <linux/netdevice.h> #include <linux/i2c.h> #include <linux/input.h> +#include <linux/time.h> #include <linux/dvb/video.h> #include <linux/dvb/audio.h> diff --git a/drivers/media/pci/ttpci/budget-av.c b/drivers/media/pci/ttpci/budget-av.c index 12ddb53..1f8b1bb 100644 --- a/drivers/media/pci/ttpci/budget-av.c +++ b/drivers/media/pci/ttpci/budget-av.c @@ -1477,8 +1477,8 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio if (saa7113_init(budget_av) == 0) { budget_av->has_saa7113 = 1; - - if (0 != saa7146_vv_init(dev, &vv_data)) { + err = saa7146_vv_init(dev, &vv_data); + if (err != 0) { /* fixme: proper cleanup here */ ERR("cannot init vv subsystem\n"); return err; diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index 181c768..3dcfea6 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -109,6 +109,18 @@ config VIDEO_OMAP3_DEBUG ---help--- Enable debug messages on OMAP 3 camera controller driver. +config VIDEO_S3C_CAMIF + tristate "Samsung S3C24XX/S3C64XX SoC Camera Interface driver" + depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API + depends on (PLAT_S3C64XX || PLAT_S3C24XX) && PM_RUNTIME + select VIDEOBUF2_DMA_CONTIG + ---help--- + This is a v4l2 driver for s3c24xx and s3c64xx SoC series camera + host interface (CAMIF). + + To compile this driver as a module, choose M here: the module + will be called s3c-camif. + source "drivers/media/platform/soc_camera/Kconfig" source "drivers/media/platform/s5p-fimc/Kconfig" source "drivers/media/platform/s5p-tv/Kconfig" diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile index baaa550..4817d28 100644 --- a/drivers/media/platform/Makefile +++ b/drivers/media/platform/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_VIDEO_CODA) += coda.o obj-$(CONFIG_VIDEO_MEM2MEM_DEINTERLACE) += m2m-deinterlace.o +obj-$(CONFIG_VIDEO_S3C_CAMIF) += s3c-camif/ obj-$(CONFIG_VIDEO_SAMSUNG_S5P_FIMC) += s5p-fimc/ obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) += s5p-jpeg/ obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) += s5p-mfc/ diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index cb2eb26..ec476ef 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -1050,19 +1050,7 @@ static struct platform_driver bcap_driver = { .probe = bcap_probe, .remove = __devexit_p(bcap_remove), }; - -static __init int bcap_init(void) -{ - return platform_driver_register(&bcap_driver); -} - -static __exit void bcap_exit(void) -{ - platform_driver_unregister(&bcap_driver); -} - -module_init(bcap_init); -module_exit(bcap_exit); +module_platform_driver(bcap_driver); MODULE_DESCRIPTION("Analog Devices blackfin video capture driver"); MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>"); diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index cd04ae2..7b8b547 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -1540,7 +1540,7 @@ static irqreturn_t coda_irq_handler(int irq, void *data) u32 wr_ptr, start_ptr; struct coda_ctx *ctx; - __cancel_delayed_work(&dev->timeout); + cancel_delayed_work(&dev->timeout); /* read status register to attend the IRQ */ coda_read(dev, CODA_REG_BIT_INT_STATUS); @@ -1877,7 +1877,7 @@ static const struct coda_devtype coda_devdata[] = { static struct platform_device_id coda_platform_ids[] = { { .name = "coda-imx27", .driver_data = CODA_IMX27 }, - { .name = "coda-imx53", .driver_data = CODA_7541 }, + { .name = "coda-imx53", .driver_data = CODA_IMX53 }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(platform, coda_platform_ids); diff --git a/drivers/media/platform/davinci/Kconfig b/drivers/media/platform/davinci/Kconfig index 78e26d2..3c56037 100644 --- a/drivers/media/platform/davinci/Kconfig +++ b/drivers/media/platform/davinci/Kconfig @@ -101,7 +101,7 @@ config VIDEO_DM644X_VPBE tristate "DM644X VPBE HW module" depends on ARCH_DAVINCI_DM644x select VIDEO_VPSS_SYSTEM - select VIDEOBUF_DMA_CONTIG + select VIDEOBUF2_DMA_CONTIG help Enables VPBE modules used for display on a DM644x SoC. diff --git a/drivers/media/platform/davinci/dm355_ccdc.c b/drivers/media/platform/davinci/dm355_ccdc.c index ce0e413..030950d 100644 --- a/drivers/media/platform/davinci/dm355_ccdc.c +++ b/drivers/media/platform/davinci/dm355_ccdc.c @@ -1003,7 +1003,7 @@ static int __devinit dm355_ccdc_probe(struct platform_device *pdev) status = PTR_ERR(ccdc_cfg.mclk); goto fail_nomap; } - if (clk_enable(ccdc_cfg.mclk)) { + if (clk_prepare_enable(ccdc_cfg.mclk)) { status = -ENODEV; goto fail_mclk; } @@ -1014,7 +1014,7 @@ static int __devinit dm355_ccdc_probe(struct platform_device *pdev) status = PTR_ERR(ccdc_cfg.sclk); goto fail_mclk; } - if (clk_enable(ccdc_cfg.sclk)) { + if (clk_prepare_enable(ccdc_cfg.sclk)) { status = -ENODEV; goto fail_sclk; } @@ -1034,8 +1034,10 @@ static int __devinit dm355_ccdc_probe(struct platform_device *pdev) printk(KERN_NOTICE "%s is registered with vpfe.\n", ccdc_hw_dev.name); return 0; fail_sclk: + clk_disable_unprepare(ccdc_cfg.sclk); clk_put(ccdc_cfg.sclk); fail_mclk: + clk_disable_unprepare(ccdc_cfg.mclk); clk_put(ccdc_cfg.mclk); fail_nomap: iounmap(ccdc_cfg.base_addr); @@ -1050,6 +1052,8 @@ static int dm355_ccdc_remove(struct platform_device *pdev) { struct resource *res; + clk_disable_unprepare(ccdc_cfg.sclk); + clk_disable_unprepare(ccdc_cfg.mclk); clk_put(ccdc_cfg.mclk); clk_put(ccdc_cfg.sclk); iounmap(ccdc_cfg.base_addr); diff --git a/drivers/media/platform/davinci/dm644x_ccdc.c b/drivers/media/platform/davinci/dm644x_ccdc.c index ee7942b..0215ab6e 100644 --- a/drivers/media/platform/davinci/dm644x_ccdc.c +++ b/drivers/media/platform/davinci/dm644x_ccdc.c @@ -994,7 +994,7 @@ static int __devinit dm644x_ccdc_probe(struct platform_device *pdev) status = PTR_ERR(ccdc_cfg.mclk); goto fail_nomap; } - if (clk_enable(ccdc_cfg.mclk)) { + if (clk_prepare_enable(ccdc_cfg.mclk)) { status = -ENODEV; goto fail_mclk; } @@ -1005,7 +1005,7 @@ static int __devinit dm644x_ccdc_probe(struct platform_device *pdev) status = PTR_ERR(ccdc_cfg.sclk); goto fail_mclk; } - if (clk_enable(ccdc_cfg.sclk)) { + if (clk_prepare_enable(ccdc_cfg.sclk)) { status = -ENODEV; goto fail_sclk; } @@ -1013,8 +1013,10 @@ static int __devinit dm644x_ccdc_probe(struct platform_device *pdev) printk(KERN_NOTICE "%s is registered with vpfe.\n", ccdc_hw_dev.name); return 0; fail_sclk: + clk_disable_unprepare(ccdc_cfg.sclk); clk_put(ccdc_cfg.sclk); fail_mclk: + clk_disable_unprepare(ccdc_cfg.mclk); clk_put(ccdc_cfg.mclk); fail_nomap: iounmap(ccdc_cfg.base_addr); @@ -1029,6 +1031,8 @@ static int dm644x_ccdc_remove(struct platform_device *pdev) { struct resource *res; + clk_disable_unprepare(ccdc_cfg.mclk); + clk_disable_unprepare(ccdc_cfg.sclk); clk_put(ccdc_cfg.mclk); clk_put(ccdc_cfg.sclk); iounmap(ccdc_cfg.base_addr); @@ -1046,8 +1050,8 @@ static int dm644x_ccdc_suspend(struct device *dev) /* Disable CCDC */ ccdc_enable(0); /* Disable both master and slave clock */ - clk_disable(ccdc_cfg.mclk); - clk_disable(ccdc_cfg.sclk); + clk_disable_unprepare(ccdc_cfg.mclk); + clk_disable_unprepare(ccdc_cfg.sclk); return 0; } @@ -1055,8 +1059,8 @@ static int dm644x_ccdc_suspend(struct device *dev) static int dm644x_ccdc_resume(struct device *dev) { /* Enable both master and slave clock */ - clk_enable(ccdc_cfg.mclk); - clk_enable(ccdc_cfg.sclk); + clk_prepare_enable(ccdc_cfg.mclk); + clk_prepare_enable(ccdc_cfg.sclk); /* Restore CCDC context */ ccdc_restore_context(); diff --git a/drivers/media/platform/davinci/isif.c b/drivers/media/platform/davinci/isif.c index b99d542..2c26c3e 100644 --- a/drivers/media/platform/davinci/isif.c +++ b/drivers/media/platform/davinci/isif.c @@ -1053,7 +1053,7 @@ static int __devinit isif_probe(struct platform_device *pdev) status = PTR_ERR(isif_cfg.mclk); goto fail_mclk; } - if (clk_enable(isif_cfg.mclk)) { + if (clk_prepare_enable(isif_cfg.mclk)) { status = -ENODEV; goto fail_mclk; } @@ -1125,6 +1125,7 @@ fail_nobase_res: i--; } fail_mclk: + clk_disable_unprepare(isif_cfg.mclk); clk_put(isif_cfg.mclk); vpfe_unregister_ccdc_device(&isif_hw_dev); return status; @@ -1145,6 +1146,8 @@ static int isif_remove(struct platform_device *pdev) i++; } vpfe_unregister_ccdc_device(&isif_hw_dev); + clk_disable_unprepare(isif_cfg.mclk); + clk_put(isif_cfg.mclk); return 0; } diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c index 69d7a58..7f5cf9b 100644 --- a/drivers/media/platform/davinci/vpbe.c +++ b/drivers/media/platform/davinci/vpbe.c @@ -612,7 +612,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev) ret = PTR_ERR(vpbe_dev->dac_clk); goto fail_mutex_unlock; } - if (clk_enable(vpbe_dev->dac_clk)) { + if (clk_prepare_enable(vpbe_dev->dac_clk)) { ret = -ENODEV; goto fail_mutex_unlock; } @@ -759,8 +759,10 @@ fail_kfree_encoders: fail_dev_unregister: v4l2_device_unregister(&vpbe_dev->v4l2_dev); fail_clk_put: - if (strcmp(vpbe_dev->cfg->module_name, "dm644x-vpbe-display") != 0) + if (strcmp(vpbe_dev->cfg->module_name, "dm644x-vpbe-display") != 0) { + clk_disable_unprepare(vpbe_dev->dac_clk); clk_put(vpbe_dev->dac_clk); + } fail_mutex_unlock: mutex_unlock(&vpbe_dev->lock); return ret; @@ -777,8 +779,10 @@ fail_mutex_unlock: static void vpbe_deinitialize(struct device *dev, struct vpbe_device *vpbe_dev) { v4l2_device_unregister(&vpbe_dev->v4l2_dev); - if (strcmp(vpbe_dev->cfg->module_name, "dm644x-vpbe-display") != 0) + if (strcmp(vpbe_dev->cfg->module_name, "dm644x-vpbe-display") != 0) { + clk_disable_unprepare(vpbe_dev->dac_clk); clk_put(vpbe_dev->dac_clk); + } kfree(vpbe_dev->amp); kfree(vpbe_dev->encoders); diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c index 161c776..2bfde79 100644 --- a/drivers/media/platform/davinci/vpbe_display.c +++ b/drivers/media/platform/davinci/vpbe_display.c @@ -47,6 +47,9 @@ static int debug; module_param(debug, int, 0644); +static int vpbe_set_osd_display_params(struct vpbe_display *disp_dev, + struct vpbe_layer *layer); + static int venc_is_second_field(struct vpbe_display *disp_dev) { struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; @@ -73,10 +76,11 @@ static void vpbe_isr_even_field(struct vpbe_display *disp_obj, if (layer->cur_frm == layer->next_frm) return; ktime_get_ts(&timevalue); - layer->cur_frm->ts.tv_sec = timevalue.tv_sec; - layer->cur_frm->ts.tv_usec = timevalue.tv_nsec / NSEC_PER_USEC; - layer->cur_frm->state = VIDEOBUF_DONE; - wake_up_interruptible(&layer->cur_frm->done); + layer->cur_frm->vb.v4l2_buf.timestamp.tv_sec = + timevalue.tv_sec; + layer->cur_frm->vb.v4l2_buf.timestamp.tv_usec = + timevalue.tv_nsec / NSEC_PER_USEC; + vb2_buffer_done(&layer->cur_frm->vb, VB2_BUF_STATE_DONE); /* Make cur_frm pointing to next_frm */ layer->cur_frm = layer->next_frm; } @@ -99,16 +103,14 @@ static void vpbe_isr_odd_field(struct vpbe_display *disp_obj, * otherwise hold on current frame * Get next from the buffer queue */ - layer->next_frm = list_entry( - layer->dma_queue.next, - struct videobuf_buffer, - queue); + layer->next_frm = list_entry(layer->dma_queue.next, + struct vpbe_disp_buffer, list); /* Remove that from the buffer queue */ - list_del(&layer->next_frm->queue); + list_del(&layer->next_frm->list); spin_unlock(&disp_obj->dma_queue_lock); /* Mark state of the frame to active */ - layer->next_frm->state = VIDEOBUF_ACTIVE; - addr = videobuf_to_dma_contig(layer->next_frm); + layer->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; + addr = vb2_dma_contig_plane_dma_addr(&layer->next_frm->vb, 0); osd_device->ops.start_layer(osd_device, layer->layer_info.id, addr, @@ -199,39 +201,29 @@ static irqreturn_t venc_isr(int irq, void *arg) /* * vpbe_buffer_prepare() - * This is the callback function called from videobuf_qbuf() function + * This is the callback function called from vb2_qbuf() function * the buffer is prepared and user space virtual address is converted into * physical address */ -static int vpbe_buffer_prepare(struct videobuf_queue *q, - struct videobuf_buffer *vb, - enum v4l2_field field) +static int vpbe_buffer_prepare(struct vb2_buffer *vb) { - struct vpbe_fh *fh = q->priv_data; + struct vpbe_fh *fh = vb2_get_drv_priv(vb->vb2_queue); + struct vb2_queue *q = vb->vb2_queue; struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; unsigned long addr; - int ret; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_prepare\n"); - /* If buffer is not initialized, initialize it */ - if (VIDEOBUF_NEEDS_INIT == vb->state) { - vb->width = layer->pix_fmt.width; - vb->height = layer->pix_fmt.height; - vb->size = layer->pix_fmt.sizeimage; - vb->field = field; - - ret = videobuf_iolock(q, vb, NULL); - if (ret < 0) { - v4l2_err(&vpbe_dev->v4l2_dev, "Failed to map \ - user address\n"); + if (vb->state != VB2_BUF_STATE_ACTIVE && + vb->state != VB2_BUF_STATE_PREPARED) { + vb2_set_plane_payload(vb, 0, layer->pix_fmt.sizeimage); + if (vb2_plane_vaddr(vb, 0) && + vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) return -EINVAL; - } - - addr = videobuf_to_dma_contig(vb); + addr = vb2_dma_contig_plane_dma_addr(vb, 0); if (q->streaming) { if (!IS_ALIGNED(addr, 8)) { v4l2_err(&vpbe_dev->v4l2_dev, @@ -240,7 +232,6 @@ static int vpbe_buffer_prepare(struct videobuf_queue *q, return -EINVAL; } } - vb->state = VIDEOBUF_PREPARED; } return 0; } @@ -249,22 +240,26 @@ static int vpbe_buffer_prepare(struct videobuf_queue *q, * vpbe_buffer_setup() * This function allocates memory for the buffers */ -static int vpbe_buffer_setup(struct videobuf_queue *q, - unsigned int *count, - unsigned int *size) +static int +vpbe_buffer_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) + { /* Get the file handle object and layer object */ - struct vpbe_fh *fh = q->priv_data; + struct vpbe_fh *fh = vb2_get_drv_priv(vq); struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_setup\n"); - *size = layer->pix_fmt.sizeimage; - /* Store number of buffers allocated in numbuffer member */ - if (*count < VPBE_DEFAULT_NUM_BUFS) - *count = layer->numbuffers = VPBE_DEFAULT_NUM_BUFS; + if (*nbuffers < VPBE_DEFAULT_NUM_BUFS) + *nbuffers = layer->numbuffers = VPBE_DEFAULT_NUM_BUFS; + + *nplanes = 1; + sizes[0] = layer->pix_fmt.sizeimage; + alloc_ctxs[0] = layer->alloc_ctx; return 0; } @@ -273,11 +268,12 @@ static int vpbe_buffer_setup(struct videobuf_queue *q, * vpbe_buffer_queue() * This function adds the buffer to DMA queue */ -static void vpbe_buffer_queue(struct videobuf_queue *q, - struct videobuf_buffer *vb) +static void vpbe_buffer_queue(struct vb2_buffer *vb) { /* Get the file handle object and layer object */ - struct vpbe_fh *fh = q->priv_data; + struct vpbe_fh *fh = vb2_get_drv_priv(vb->vb2_queue); + struct vpbe_disp_buffer *buf = container_of(vb, + struct vpbe_disp_buffer, vb); struct vpbe_layer *layer = fh->layer; struct vpbe_display *disp = fh->disp_dev; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; @@ -288,39 +284,125 @@ static void vpbe_buffer_queue(struct videobuf_queue *q, /* add the buffer to the DMA queue */ spin_lock_irqsave(&disp->dma_queue_lock, flags); - list_add_tail(&vb->queue, &layer->dma_queue); + list_add_tail(&buf->list, &layer->dma_queue); spin_unlock_irqrestore(&disp->dma_queue_lock, flags); - /* Change state of the buffer */ - vb->state = VIDEOBUF_QUEUED; } /* - * vpbe_buffer_release() - * This function is called from the videobuf layer to free memory allocated to + * vpbe_buf_cleanup() + * This function is called from the vb2 layer to free memory allocated to * the buffers */ -static void vpbe_buffer_release(struct videobuf_queue *q, - struct videobuf_buffer *vb) +static void vpbe_buf_cleanup(struct vb2_buffer *vb) { /* Get the file handle object and layer object */ - struct vpbe_fh *fh = q->priv_data; + struct vpbe_fh *fh = vb2_get_drv_priv(vb->vb2_queue); struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; + struct vpbe_disp_buffer *buf = container_of(vb, + struct vpbe_disp_buffer, vb); + unsigned long flags; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, - "vpbe_buffer_release\n"); + "vpbe_buf_cleanup\n"); + + spin_lock_irqsave(&layer->irqlock, flags); + if (vb->state == VB2_BUF_STATE_ACTIVE) + list_del_init(&buf->list); + spin_unlock_irqrestore(&layer->irqlock, flags); +} + +static void vpbe_wait_prepare(struct vb2_queue *vq) +{ + struct vpbe_fh *fh = vb2_get_drv_priv(vq); + struct vpbe_layer *layer = fh->layer; + + mutex_unlock(&layer->opslock); +} + +static void vpbe_wait_finish(struct vb2_queue *vq) +{ + struct vpbe_fh *fh = vb2_get_drv_priv(vq); + struct vpbe_layer *layer = fh->layer; + + mutex_lock(&layer->opslock); +} + +static int vpbe_buffer_init(struct vb2_buffer *vb) +{ + struct vpbe_disp_buffer *buf = container_of(vb, + struct vpbe_disp_buffer, vb); + + INIT_LIST_HEAD(&buf->list); + return 0; +} + +static int vpbe_start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct vpbe_fh *fh = vb2_get_drv_priv(vq); + struct vpbe_layer *layer = fh->layer; + struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; + int ret; + + /* If buffer queue is empty, return error */ + if (list_empty(&layer->dma_queue)) { + v4l2_err(&vpbe_dev->v4l2_dev, "buffer queue is empty\n"); + return -EINVAL; + } + /* Get the next frame from the buffer queue */ + layer->next_frm = layer->cur_frm = list_entry(layer->dma_queue.next, + struct vpbe_disp_buffer, list); + /* Remove buffer from the buffer queue */ + list_del(&layer->cur_frm->list); + /* Mark state of the current frame to active */ + layer->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; + /* Initialize field_id and started member */ + layer->field_id = 0; + + /* Set parameters in OSD and VENC */ + ret = vpbe_set_osd_display_params(fh->disp_dev, layer); + if (ret < 0) + return ret; - if (V4L2_MEMORY_USERPTR != layer->memory) - videobuf_dma_contig_free(q, vb); + /* + * if request format is yuv420 semiplanar, need to + * enable both video windows + */ + layer->started = 1; + layer->layer_first_int = 1; + + return ret; +} + +static int vpbe_stop_streaming(struct vb2_queue *vq) +{ + struct vpbe_fh *fh = vb2_get_drv_priv(vq); + struct vpbe_layer *layer = fh->layer; + + if (!vb2_is_streaming(vq)) + return 0; + + /* release all active buffers */ + while (!list_empty(&layer->dma_queue)) { + layer->next_frm = list_entry(layer->dma_queue.next, + struct vpbe_disp_buffer, list); + list_del(&layer->next_frm->list); + vb2_buffer_done(&layer->next_frm->vb, VB2_BUF_STATE_ERROR); + } - vb->state = VIDEOBUF_NEEDS_INIT; + return 0; } -static struct videobuf_queue_ops video_qops = { - .buf_setup = vpbe_buffer_setup, +static struct vb2_ops video_qops = { + .queue_setup = vpbe_buffer_queue_setup, + .wait_prepare = vpbe_wait_prepare, + .wait_finish = vpbe_wait_finish, + .buf_init = vpbe_buffer_init, .buf_prepare = vpbe_buffer_prepare, + .start_streaming = vpbe_start_streaming, + .stop_streaming = vpbe_stop_streaming, + .buf_cleanup = vpbe_buf_cleanup, .buf_queue = vpbe_buffer_queue, - .buf_release = vpbe_buffer_release, }; static @@ -345,7 +427,7 @@ static int vpbe_set_osd_display_params(struct vpbe_display *disp_dev, unsigned long addr; int ret; - addr = videobuf_to_dma_contig(layer->cur_frm); + addr = vb2_dma_contig_plane_dma_addr(&layer->cur_frm->vb, 0); /* Set address in the display registers */ osd_device->ops.start_layer(osd_device, layer->layer_info.id, @@ -620,9 +702,12 @@ static int vpbe_display_querycap(struct file *file, void *priv, struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; cap->version = VPBE_DISPLAY_VERSION_CODE; - cap->capabilities = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; - strlcpy(cap->driver, VPBE_DISPLAY_DRIVER, sizeof(cap->driver)); - strlcpy(cap->bus_info, "platform", sizeof(cap->bus_info)); + cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; + snprintf(cap->driver, sizeof(cap->driver), "%s", + dev_name(vpbe_dev->pdev)); + snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", + dev_name(vpbe_dev->pdev)); strlcpy(cap->card, vpbe_dev->cfg->module_name, sizeof(cap->card)); return 0; @@ -1161,7 +1246,7 @@ static int vpbe_display_streamoff(struct file *file, void *priv, osd_device->ops.disable_layer(osd_device, layer->layer_info.id); layer->started = 0; - ret = videobuf_streamoff(&layer->buffer_queue); + ret = vb2_streamoff(&layer->buffer_queue, buf_type); return ret; } @@ -1199,46 +1284,15 @@ static int vpbe_display_streamon(struct file *file, void *priv, } /* - * Call videobuf_streamon to start streaming + * Call vb2_streamon to start streaming * in videobuf */ - ret = videobuf_streamon(&layer->buffer_queue); + ret = vb2_streamon(&layer->buffer_queue, buf_type); if (ret) { v4l2_err(&vpbe_dev->v4l2_dev, - "error in videobuf_streamon\n"); + "error in vb2_streamon\n"); return ret; } - /* If buffer queue is empty, return error */ - if (list_empty(&layer->dma_queue)) { - v4l2_err(&vpbe_dev->v4l2_dev, "buffer queue is empty\n"); - goto streamoff; - } - /* Get the next frame from the buffer queue */ - layer->next_frm = layer->cur_frm = list_entry(layer->dma_queue.next, - struct videobuf_buffer, queue); - /* Remove buffer from the buffer queue */ - list_del(&layer->cur_frm->queue); - /* Mark state of the current frame to active */ - layer->cur_frm->state = VIDEOBUF_ACTIVE; - /* Initialize field_id and started member */ - layer->field_id = 0; - - /* Set parameters in OSD and VENC */ - ret = vpbe_set_osd_display_params(disp_dev, layer); - if (ret < 0) - goto streamoff; - - /* - * if request format is yuv420 semiplanar, need to - * enable both video windows - */ - layer->started = 1; - - layer->layer_first_int = 1; - - return ret; -streamoff: - ret = videobuf_streamoff(&layer->buffer_queue); return ret; } @@ -1265,10 +1319,10 @@ static int vpbe_display_dqbuf(struct file *file, void *priv, } if (file->f_flags & O_NONBLOCK) /* Call videobuf_dqbuf for non blocking mode */ - ret = videobuf_dqbuf(&layer->buffer_queue, buf, 1); + ret = vb2_dqbuf(&layer->buffer_queue, buf, 1); else /* Call videobuf_dqbuf for blocking mode */ - ret = videobuf_dqbuf(&layer->buffer_queue, buf, 0); + ret = vb2_dqbuf(&layer->buffer_queue, buf, 0); return ret; } @@ -1295,7 +1349,7 @@ static int vpbe_display_qbuf(struct file *file, void *priv, return -EACCES; } - return videobuf_qbuf(&layer->buffer_queue, p); + return vb2_qbuf(&layer->buffer_queue, p); } static int vpbe_display_querybuf(struct file *file, void *priv, @@ -1304,7 +1358,6 @@ static int vpbe_display_querybuf(struct file *file, void *priv, struct vpbe_fh *fh = file->private_data; struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; - int ret; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_QUERYBUF, layer id = %d\n", @@ -1314,11 +1367,8 @@ static int vpbe_display_querybuf(struct file *file, void *priv, v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buffer type\n"); return -EINVAL; } - - /* Call videobuf_querybuf to get information */ - ret = videobuf_querybuf(&layer->buffer_queue, buf); - - return ret; + /* Call vb2_querybuf to get information */ + return vb2_querybuf(&layer->buffer_queue, buf); } static int vpbe_display_reqbufs(struct file *file, void *priv, @@ -1327,8 +1377,8 @@ static int vpbe_display_reqbufs(struct file *file, void *priv, struct vpbe_fh *fh = file->private_data; struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; + struct vb2_queue *q; int ret; - v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_reqbufs\n"); if (V4L2_BUF_TYPE_VIDEO_OUTPUT != req_buf->type) { @@ -1342,15 +1392,26 @@ static int vpbe_display_reqbufs(struct file *file, void *priv, return -EBUSY; } /* Initialize videobuf queue as per the buffer type */ - videobuf_queue_dma_contig_init(&layer->buffer_queue, - &video_qops, - vpbe_dev->pdev, - &layer->irqlock, - V4L2_BUF_TYPE_VIDEO_OUTPUT, - layer->pix_fmt.field, - sizeof(struct videobuf_buffer), - fh, NULL); + layer->alloc_ctx = vb2_dma_contig_init_ctx(vpbe_dev->pdev); + if (!layer->alloc_ctx) { + v4l2_err(&vpbe_dev->v4l2_dev, "Failed to get the context\n"); + return -EINVAL; + } + q = &layer->buffer_queue; + memset(q, 0, sizeof(*q)); + q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; + q->io_modes = VB2_MMAP | VB2_USERPTR; + q->drv_priv = fh; + q->ops = &video_qops; + q->mem_ops = &vb2_dma_contig_memops; + q->buf_struct_size = sizeof(struct vpbe_disp_buffer); + ret = vb2_queue_init(q); + if (ret) { + v4l2_err(&vpbe_dev->v4l2_dev, "vb2_queue_init() failed\n"); + vb2_dma_contig_cleanup_ctx(layer->alloc_ctx); + return ret; + } /* Set io allowed member of file handle to TRUE */ fh->io_allowed = 1; /* Increment io usrs member of layer object to 1 */ @@ -1360,9 +1421,7 @@ static int vpbe_display_reqbufs(struct file *file, void *priv, /* Initialize buffer queue */ INIT_LIST_HEAD(&layer->dma_queue); /* Allocate buffers */ - ret = videobuf_reqbufs(&layer->buffer_queue, req_buf); - - return ret; + return vb2_reqbufs(q, req_buf); } /* @@ -1381,7 +1440,7 @@ static int vpbe_display_mmap(struct file *filep, struct vm_area_struct *vma) if (mutex_lock_interruptible(&layer->opslock)) return -ERESTARTSYS; - ret = videobuf_mmap_mapper(&layer->buffer_queue, vma); + ret = vb2_mmap(&layer->buffer_queue, vma); mutex_unlock(&layer->opslock); return ret; } @@ -1398,7 +1457,7 @@ static unsigned int vpbe_display_poll(struct file *filep, poll_table *wait) v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_poll\n"); if (layer->started) { mutex_lock(&layer->opslock); - err = videobuf_poll_stream(filep, &layer->buffer_queue, wait); + err = vb2_poll(&layer->buffer_queue, filep, wait); mutex_unlock(&layer->opslock); } return err; @@ -1488,8 +1547,8 @@ static int vpbe_display_release(struct file *file) layer->layer_info.id); layer->started = 0; /* Free buffers allocated */ - videobuf_queue_cancel(&layer->buffer_queue); - videobuf_mmap_free(&layer->buffer_queue); + vb2_queue_release(&layer->buffer_queue); + vb2_dma_contig_cleanup_ctx(&layer->buffer_queue); } /* Decrement layer usrs counter */ diff --git a/drivers/media/platform/davinci/vpbe_osd.c b/drivers/media/platform/davinci/vpbe_osd.c index bba299d..707f243 100644 --- a/drivers/media/platform/davinci/vpbe_osd.c +++ b/drivers/media/platform/davinci/vpbe_osd.c @@ -62,7 +62,7 @@ static inline u32 osd_set(struct osd_state *sd, u32 mask, u32 offset) { struct osd_state *osd = sd; - u32 addr = osd->osd_base + offset; + void __iomem *addr = osd->osd_base + offset; u32 val = readl(addr) | mask; writel(val, addr); @@ -74,7 +74,7 @@ static inline u32 osd_clear(struct osd_state *sd, u32 mask, u32 offset) { struct osd_state *osd = sd; - u32 addr = osd->osd_base + offset; + void __iomem *addr = osd->osd_base + offset; u32 val = readl(addr) & ~mask; writel(val, addr); @@ -87,7 +87,7 @@ static inline u32 osd_modify(struct osd_state *sd, u32 mask, u32 val, { struct osd_state *osd = sd; - u32 addr = osd->osd_base + offset; + void __iomem *addr = osd->osd_base + offset; u32 new_val = (readl(addr) & ~mask) | (val & mask); writel(new_val, addr); @@ -1559,8 +1559,7 @@ static int osd_probe(struct platform_device *pdev) ret = -ENODEV; goto free_mem; } - osd->osd_base = (unsigned long)ioremap_nocache(res->start, - osd->osd_size); + osd->osd_base = ioremap_nocache(res->start, osd->osd_size); if (!osd->osd_base) { dev_err(osd->dev, "Unable to map the OSD region\n"); ret = -ENODEV; diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c index cff3c0a..0d6cc8e 100644 --- a/drivers/media/platform/davinci/vpif.c +++ b/drivers/media/platform/davinci/vpif.c @@ -444,7 +444,7 @@ static int __devinit vpif_probe(struct platform_device *pdev) status = PTR_ERR(vpif_clk); goto clk_fail; } - clk_enable(vpif_clk); + clk_prepare_enable(vpif_clk); spin_lock_init(&vpif_lock); dev_info(&pdev->dev, "vpif probe success\n"); @@ -460,7 +460,7 @@ fail: static int __devexit vpif_remove(struct platform_device *pdev) { if (vpif_clk) { - clk_disable(vpif_clk); + clk_disable_unprepare(vpif_clk); clk_put(vpif_clk); } @@ -472,13 +472,13 @@ static int __devexit vpif_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int vpif_suspend(struct device *dev) { - clk_disable(vpif_clk); + clk_disable_unprepare(vpif_clk); return 0; } static int vpif_resume(struct device *dev) { - clk_enable(vpif_clk); + clk_prepare_enable(vpif_clk); return 0; } diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index fcabc02..a409cce 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -201,13 +201,16 @@ static void vpif_buffer_queue(struct vb2_buffer *vb) struct vpif_cap_buffer *buf = container_of(vb, struct vpif_cap_buffer, vb); struct common_obj *common; + unsigned long flags; common = &ch->common[VPIF_VIDEO_INDEX]; vpif_dbg(2, debug, "vpif_buffer_queue\n"); + spin_lock_irqsave(&common->irqlock, flags); /* add the buffer to the DMA queue */ list_add_tail(&buf->list, &common->dma_queue); + spin_unlock_irqrestore(&common->irqlock, flags); } /** @@ -278,10 +281,13 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; struct vpif_params *vpif = &ch->vpifparams; unsigned long addr = 0; + unsigned long flags; int ret; - /* If buffer queue is empty, return error */ + /* If buffer queue is empty, return error */ + spin_lock_irqsave(&common->irqlock, flags); if (list_empty(&common->dma_queue)) { + spin_unlock_irqrestore(&common->irqlock, flags); vpif_dbg(1, debug, "buffer queue is empty\n"); return -EIO; } @@ -291,6 +297,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) struct vpif_cap_buffer, list); /* Remove buffer from the buffer queue */ list_del(&common->cur_frm->list); + spin_unlock_irqrestore(&common->irqlock, flags); /* Mark state of the current frame to active */ common->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; /* Initialize field_id and started member */ @@ -362,6 +369,7 @@ static int vpif_stop_streaming(struct vb2_queue *vq) struct vpif_fh *fh = vb2_get_drv_priv(vq); struct channel_obj *ch = fh->channel; struct common_obj *common; + unsigned long flags; if (!vb2_is_streaming(vq)) return 0; @@ -369,12 +377,14 @@ static int vpif_stop_streaming(struct vb2_queue *vq) common = &ch->common[VPIF_VIDEO_INDEX]; /* release all active buffers */ + spin_lock_irqsave(&common->irqlock, flags); while (!list_empty(&common->dma_queue)) { common->next_frm = list_entry(common->dma_queue.next, struct vpif_cap_buffer, list); list_del(&common->next_frm->list); vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR); } + spin_unlock_irqrestore(&common->irqlock, flags); return 0; } @@ -420,10 +430,12 @@ static void vpif_schedule_next_buffer(struct common_obj *common) { unsigned long addr = 0; + spin_lock(&common->irqlock); common->next_frm = list_entry(common->dma_queue.next, struct vpif_cap_buffer, list); /* Remove that buffer from the buffer queue */ list_del(&common->next_frm->list); + spin_unlock(&common->irqlock); common->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb, 0); @@ -468,8 +480,12 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id) /* Check the field format */ if (1 == ch->vpifparams.std_info.frm_fmt) { /* Progressive mode */ - if (list_empty(&common->dma_queue)) + spin_lock(&common->irqlock); + if (list_empty(&common->dma_queue)) { + spin_unlock(&common->irqlock); continue; + } + spin_unlock(&common->irqlock); if (!channel_first_int[i][channel_id]) vpif_process_buffer_complete(common); @@ -513,9 +529,13 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id) vpif_process_buffer_complete(common); } else if (1 == fid) { /* odd field */ + spin_lock(&common->irqlock); if (list_empty(&common->dma_queue) || - (common->cur_frm != common->next_frm)) + (common->cur_frm != common->next_frm)) { + spin_unlock(&common->irqlock); continue; + } + spin_unlock(&common->irqlock); vpif_schedule_next_buffer(common); } @@ -1004,9 +1024,9 @@ static int vpif_reqbufs(struct file *file, void *priv, /* Initialize videobuf2 queue as per the buffer type */ common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); - if (!common->alloc_ctx) { + if (IS_ERR(common->alloc_ctx)) { vpif_err("Failed to get the context\n"); - return -EINVAL; + return PTR_ERR(common->alloc_ctx); } q = &common->buffer_queue; q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; @@ -1715,7 +1735,7 @@ vpif_enum_dv_timings(struct file *file, void *priv, int ret; ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings); - if (ret == -ENOIOCTLCMD && ret == -ENODEV) + if (ret == -ENOIOCTLCMD || ret == -ENODEV) return -EINVAL; return ret; } @@ -1735,7 +1755,7 @@ vpif_query_dv_timings(struct file *file, void *priv, int ret; ret = v4l2_subdev_call(ch->sd, video, query_dv_timings, timings); - if (ret == -ENOIOCTLCMD && ret == -ENODEV) + if (ret == -ENOIOCTLCMD || ret == -ENODEV) return -ENODATA; return ret; } diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index b716fbd..9f2b603 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -177,11 +177,14 @@ static void vpif_buffer_queue(struct vb2_buffer *vb) struct vpif_disp_buffer, vb); struct channel_obj *ch = fh->channel; struct common_obj *common; + unsigned long flags; common = &ch->common[VPIF_VIDEO_INDEX]; /* add the buffer to the DMA queue */ + spin_lock_irqsave(&common->irqlock, flags); list_add_tail(&buf->list, &common->dma_queue); + spin_unlock_irqrestore(&common->irqlock, flags); } /* @@ -246,10 +249,13 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; struct vpif_params *vpif = &ch->vpifparams; unsigned long addr = 0; + unsigned long flags; int ret; /* If buffer queue is empty, return error */ + spin_lock_irqsave(&common->irqlock, flags); if (list_empty(&common->dma_queue)) { + spin_unlock_irqrestore(&common->irqlock, flags); vpif_err("buffer queue is empty\n"); return -EIO; } @@ -260,6 +266,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) struct vpif_disp_buffer, list); list_del(&common->cur_frm->list); + spin_unlock_irqrestore(&common->irqlock, flags); /* Mark state of the current frame to active */ common->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; @@ -330,6 +337,7 @@ static int vpif_stop_streaming(struct vb2_queue *vq) struct vpif_fh *fh = vb2_get_drv_priv(vq); struct channel_obj *ch = fh->channel; struct common_obj *common; + unsigned long flags; if (!vb2_is_streaming(vq)) return 0; @@ -337,12 +345,14 @@ static int vpif_stop_streaming(struct vb2_queue *vq) common = &ch->common[VPIF_VIDEO_INDEX]; /* release all active buffers */ + spin_lock_irqsave(&common->irqlock, flags); while (!list_empty(&common->dma_queue)) { common->next_frm = list_entry(common->dma_queue.next, struct vpif_disp_buffer, list); list_del(&common->next_frm->list); vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR); } + spin_unlock_irqrestore(&common->irqlock, flags); return 0; } @@ -363,11 +373,13 @@ static void process_progressive_mode(struct common_obj *common) { unsigned long addr = 0; + spin_lock(&common->irqlock); /* Get the next buffer from buffer queue */ common->next_frm = list_entry(common->dma_queue.next, struct vpif_disp_buffer, list); /* Remove that buffer from the buffer queue */ list_del(&common->next_frm->list); + spin_unlock(&common->irqlock); /* Mark status of the buffer as active */ common->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; @@ -398,16 +410,18 @@ static void process_interlaced_mode(int fid, struct common_obj *common) common->cur_frm = common->next_frm; } else if (1 == fid) { /* odd field */ + spin_lock(&common->irqlock); if (list_empty(&common->dma_queue) || (common->cur_frm != common->next_frm)) { + spin_unlock(&common->irqlock); return; } + spin_unlock(&common->irqlock); /* one field is displayed configure the next * frame if it is available else hold on current * frame */ /* Get next from the buffer queue */ process_progressive_mode(common); - } } @@ -437,8 +451,12 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id) continue; if (1 == ch->vpifparams.std_info.frm_fmt) { - if (list_empty(&common->dma_queue)) + spin_lock(&common->irqlock); + if (list_empty(&common->dma_queue)) { + spin_unlock(&common->irqlock); continue; + } + spin_unlock(&common->irqlock); /* Progressive mode */ if (!channel_first_int[i][channel_id]) { @@ -972,9 +990,9 @@ static int vpif_reqbufs(struct file *file, void *priv, } /* Initialize videobuf2 queue as per the buffer type */ common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); - if (!common->alloc_ctx) { + if (IS_ERR(common->alloc_ctx)) { vpif_err("Failed to get the context\n"); - return -EINVAL; + return PTR_ERR(common->alloc_ctx); } q = &common->buffer_queue; q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; @@ -1380,7 +1398,7 @@ vpif_enum_dv_timings(struct file *file, void *priv, int ret; ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings); - if (ret == -ENOIOCTLCMD && ret == -ENODEV) + if (ret == -ENOIOCTLCMD || ret == -ENODEV) return -EINVAL; return ret; } diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index 19cbb12..cc7b218 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -982,7 +982,7 @@ static void *gsc_get_drv_data(struct platform_device *pdev) match = of_match_node(of_match_ptr(exynos_gsc_match), pdev->dev.of_node); if (match) - driver_data = match->data; + driver_data = (struct gsc_driverdata *)match->data; } else { driver_data = (struct gsc_driverdata *) platform_get_device_id(pdev)->driver_data; diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c index c065d04..c267c57 100644 --- a/drivers/media/platform/exynos-gsc/gsc-m2m.c +++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c @@ -122,7 +122,7 @@ static void gsc_m2m_device_run(void *priv) struct gsc_ctx *ctx = priv; struct gsc_dev *gsc; unsigned long flags; - u32 ret; + int ret; bool is_set = false; if (WARN(!ctx, "null hardware context\n")) diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c index 31ac4dc..a8ddb0c 100644 --- a/drivers/media/platform/fsl-viu.c +++ b/drivers/media/platform/fsl-viu.c @@ -352,8 +352,7 @@ static int restart_video_queue(struct viu_dmaqueue *vidq) return 0; buf = list_entry(vidq->queued.next, struct viu_buf, vb.queue); if (prev == NULL) { - list_del(&buf->vb.queue); - list_add_tail(&buf->vb.queue, &vidq->active); + list_move_tail(&buf->vb.queue, &vidq->active); dprintk(1, "Restarting video dma\n"); viu_stop_dma(vidq->dev); @@ -367,8 +366,7 @@ static int restart_video_queue(struct viu_dmaqueue *vidq) } else if (prev->vb.width == buf->vb.width && prev->vb.height == buf->vb.height && prev->fmt == buf->fmt) { - list_del(&buf->vb.queue); - list_add_tail(&buf->vb.queue, &vidq->active); + list_move_tail(&buf->vb.queue, &vidq->active); buf->vb.state = VIDEOBUF_ACTIVE; dprintk(2, "[%p/%d] restart_queue - move to active\n", buf, buf->vb.i); diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c index 45164c4..05c560f 100644 --- a/drivers/media/platform/m2m-deinterlace.c +++ b/drivers/media/platform/m2m-deinterlace.c @@ -218,15 +218,14 @@ static void dma_callback(void *data) static void deinterlace_issue_dma(struct deinterlace_ctx *ctx, int op, int do_callback) { - struct deinterlace_q_data *s_q_data, *d_q_data; + struct deinterlace_q_data *s_q_data; struct vb2_buffer *src_buf, *dst_buf; struct deinterlace_dev *pcdev = ctx->dev; struct dma_chan *chan = pcdev->dma_chan; struct dma_device *dmadev = chan->device; struct dma_async_tx_descriptor *tx; unsigned int s_width, s_height; - unsigned int d_width, d_height; - unsigned int d_size, s_size; + unsigned int s_size; dma_addr_t p_in, p_out; enum dma_ctrl_flags flags; @@ -238,11 +237,6 @@ static void deinterlace_issue_dma(struct deinterlace_ctx *ctx, int op, s_height = s_q_data->height; s_size = s_width * s_height; - d_q_data = get_q_data(V4L2_BUF_TYPE_VIDEO_CAPTURE); - d_width = d_q_data->width; - d_height = d_q_data->height; - d_size = d_width * d_height; - p_in = (dma_addr_t)vb2_dma_contig_plane_dma_addr(src_buf, 0); p_out = (dma_addr_t)vb2_dma_contig_plane_dma_addr(dst_buf, 0); if (!p_in || !p_out) { @@ -1108,17 +1102,5 @@ static struct platform_driver deinterlace_pdrv = { .owner = THIS_MODULE, }, }; - -static void __exit deinterlace_exit(void) -{ - platform_driver_unregister(&deinterlace_pdrv); -} - -static int __init deinterlace_init(void) -{ - return platform_driver_register(&deinterlace_pdrv); -} - -module_init(deinterlace_init); -module_exit(deinterlace_exit); +module_platform_driver(deinterlace_pdrv); diff --git a/drivers/media/platform/mem2mem_testdev.c b/drivers/media/platform/mem2mem_testdev.c index 2e2121e..7487d72 100644 --- a/drivers/media/platform/mem2mem_testdev.c +++ b/drivers/media/platform/mem2mem_testdev.c @@ -839,7 +839,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *ds int ret; src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - src_vq->io_modes = VB2_MMAP; + src_vq->io_modes = VB2_MMAP | VB2_DMABUF; src_vq->drv_priv = ctx; src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); src_vq->ops = &m2mtest_qops; @@ -850,7 +850,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *ds return ret; dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - dst_vq->io_modes = VB2_MMAP; + dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; dst_vq->drv_priv = ctx; dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); dst_vq->ops = &m2mtest_qops; diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c index bfa6507..6b155d7 100644 --- a/drivers/media/platform/mx2_emmaprp.c +++ b/drivers/media/platform/mx2_emmaprp.c @@ -1013,16 +1013,4 @@ static struct platform_driver emmaprp_pdrv = { .owner = THIS_MODULE, }, }; - -static void __exit emmaprp_exit(void) -{ - platform_driver_unregister(&emmaprp_pdrv); -} - -static int __init emmaprp_init(void) -{ - return platform_driver_register(&emmaprp_pdrv); -} - -module_init(emmaprp_init); -module_exit(emmaprp_exit); +module_platform_driver(emmaprp_pdrv); diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c index 9935040..202d1b4 100644 --- a/drivers/media/platform/omap/omap_vout.c +++ b/drivers/media/platform/omap/omap_vout.c @@ -1174,13 +1174,6 @@ static int vidioc_s_fmt_vid_out(struct file *file, void *fh, /* set default crop and win */ omap_vout_new_format(&vout->pix, &vout->fbuf, &vout->crop, &vout->win); - /* Save the changes in the overlay strcuture */ - ret = omapvid_init(vout, 0); - if (ret) { - v4l2_err(&vout->vid_dev->v4l2_dev, "failed to change mode\n"); - goto s_fmt_vid_out_exit; - } - ret = 0; s_fmt_vid_out_exit: @@ -1684,20 +1677,6 @@ static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i) omap_dispc_register_isr(omap_vout_isr, vout, mask); - for (j = 0; j < ovid->num_overlays; j++) { - struct omap_overlay *ovl = ovid->overlays[j]; - - if (ovl->get_device(ovl)) { - struct omap_overlay_info info; - ovl->get_overlay_info(ovl, &info); - info.paddr = addr; - if (ovl->set_overlay_info(ovl, &info)) { - ret = -EINVAL; - goto streamon_err1; - } - } - } - /* First save the configuration in ovelray structure */ ret = omapvid_init(vout, addr); if (ret) @@ -2094,11 +2073,12 @@ static int __init omap_vout_create_video_devices(struct platform_device *pdev) } video_set_drvdata(vfd, vout); - /* Configure the overlay structure */ - ret = omapvid_init(vid_dev->vouts[k], 0); - if (!ret) - goto success; + dev_info(&pdev->dev, ": registered and initialized" + " video device %d\n", vfd->minor); + if (k == (pdev->num_resources - 1)) + return 0; + continue; error2: if (vout->vid_info.rotation_type == VOUT_ROT_VRFB) omap_vout_release_vrfb(vout); @@ -2108,12 +2088,6 @@ error1: error: kfree(vout); return ret; - -success: - dev_info(&pdev->dev, ": registered and initialized" - " video device %d\n", vfd->minor); - if (k == (pdev->num_resources - 1)) - return 0; } return -ENODEV; diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c index 7f182f0..a9f6de5 100644 --- a/drivers/media/platform/omap3isp/isp.c +++ b/drivers/media/platform/omap3isp/isp.c @@ -103,7 +103,8 @@ static const struct isp_res_mapping isp_res_maps[] = { 1 << OMAP3_ISP_IOMEM_RESZ | 1 << OMAP3_ISP_IOMEM_SBL | 1 << OMAP3_ISP_IOMEM_CSI2A_REGS1 | - 1 << OMAP3_ISP_IOMEM_CSIPHY2, + 1 << OMAP3_ISP_IOMEM_CSIPHY2 | + 1 << OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE, }, { .isp_rev = ISP_REVISION_15_0, @@ -120,7 +121,8 @@ static const struct isp_res_mapping isp_res_maps[] = { 1 << OMAP3_ISP_IOMEM_CSI2A_REGS2 | 1 << OMAP3_ISP_IOMEM_CSI2C_REGS1 | 1 << OMAP3_ISP_IOMEM_CSIPHY1 | - 1 << OMAP3_ISP_IOMEM_CSI2C_REGS2, + 1 << OMAP3_ISP_IOMEM_CSI2C_REGS2 | + 1 << OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL, }, }; @@ -1331,7 +1333,8 @@ void omap3isp_subclk_disable(struct isp_device *isp, * isp_enable_clocks - Enable ISP clocks * @isp: OMAP3 ISP device * - * Return 0 if successful, or clk_enable return value if any of tthem fails. + * Return 0 if successful, or clk_prepare_enable return value if any of them + * fails. */ static int isp_enable_clocks(struct isp_device *isp) { @@ -1348,14 +1351,11 @@ static int isp_enable_clocks(struct isp_device *isp) * has to be twice of what is set on OMAP3430 to get * the required value for cam_mclk */ - if (cpu_is_omap3630()) - divisor = 1; - else - divisor = 2; + divisor = isp->revision == ISP_REVISION_15_0 ? 1 : 2; - r = clk_enable(isp->clock[ISP_CLK_CAM_ICK]); + r = clk_prepare_enable(isp->clock[ISP_CLK_CAM_ICK]); if (r) { - dev_err(isp->dev, "clk_enable cam_ick failed\n"); + dev_err(isp->dev, "failed to enable cam_ick clock\n"); goto out_clk_enable_ick; } r = clk_set_rate(isp->clock[ISP_CLK_DPLL4_M5_CK], @@ -1364,9 +1364,9 @@ static int isp_enable_clocks(struct isp_device *isp) dev_err(isp->dev, "clk_set_rate for dpll4_m5_ck failed\n"); goto out_clk_enable_mclk; } - r = clk_enable(isp->clock[ISP_CLK_CAM_MCLK]); + r = clk_prepare_enable(isp->clock[ISP_CLK_CAM_MCLK]); if (r) { - dev_err(isp->dev, "clk_enable cam_mclk failed\n"); + dev_err(isp->dev, "failed to enable cam_mclk clock\n"); goto out_clk_enable_mclk; } rate = clk_get_rate(isp->clock[ISP_CLK_CAM_MCLK]); @@ -1374,17 +1374,17 @@ static int isp_enable_clocks(struct isp_device *isp) dev_warn(isp->dev, "unexpected cam_mclk rate:\n" " expected : %d\n" " actual : %ld\n", CM_CAM_MCLK_HZ, rate); - r = clk_enable(isp->clock[ISP_CLK_CSI2_FCK]); + r = clk_prepare_enable(isp->clock[ISP_CLK_CSI2_FCK]); if (r) { - dev_err(isp->dev, "clk_enable csi2_fck failed\n"); + dev_err(isp->dev, "failed to enable csi2_fck clock\n"); goto out_clk_enable_csi2_fclk; } return 0; out_clk_enable_csi2_fclk: - clk_disable(isp->clock[ISP_CLK_CAM_MCLK]); + clk_disable_unprepare(isp->clock[ISP_CLK_CAM_MCLK]); out_clk_enable_mclk: - clk_disable(isp->clock[ISP_CLK_CAM_ICK]); + clk_disable_unprepare(isp->clock[ISP_CLK_CAM_ICK]); out_clk_enable_ick: return r; } @@ -1395,9 +1395,9 @@ out_clk_enable_ick: */ static void isp_disable_clocks(struct isp_device *isp) { - clk_disable(isp->clock[ISP_CLK_CAM_ICK]); - clk_disable(isp->clock[ISP_CLK_CAM_MCLK]); - clk_disable(isp->clock[ISP_CLK_CSI2_FCK]); + clk_disable_unprepare(isp->clock[ISP_CLK_CAM_ICK]); + clk_disable_unprepare(isp->clock[ISP_CLK_CAM_MCLK]); + clk_disable_unprepare(isp->clock[ISP_CLK_CSI2_FCK]); } static const char *isp_clocks[] = { @@ -1678,7 +1678,7 @@ isp_register_subdev_group(struct isp_device *isp, adapter = i2c_get_adapter(board_info->i2c_adapter_id); if (adapter == NULL) { - printk(KERN_ERR "%s: Unable to get I2C adapter %d for " + dev_err(isp->dev, "%s: Unable to get I2C adapter %d for " "device %s\n", __func__, board_info->i2c_adapter_id, board_info->board_info->type); @@ -1688,7 +1688,7 @@ isp_register_subdev_group(struct isp_device *isp, subdev = v4l2_i2c_new_subdev_board(&isp->v4l2_dev, adapter, board_info->board_info, NULL); if (subdev == NULL) { - printk(KERN_ERR "%s: Unable to register subdev %s\n", + dev_err(isp->dev, "%s: Unable to register subdev %s\n", __func__, board_info->board_info->type); continue; } @@ -1713,7 +1713,7 @@ static int isp_register_entities(struct isp_device *isp) isp->media_dev.link_notify = isp_pipeline_link_notify; ret = media_device_register(&isp->media_dev); if (ret < 0) { - printk(KERN_ERR "%s: Media device registration failed (%d)\n", + dev_err(isp->dev, "%s: Media device registration failed (%d)\n", __func__, ret); return ret; } @@ -1721,7 +1721,7 @@ static int isp_register_entities(struct isp_device *isp) isp->v4l2_dev.mdev = &isp->media_dev; ret = v4l2_device_register(isp->dev, &isp->v4l2_dev); if (ret < 0) { - printk(KERN_ERR "%s: V4L2 device registration failed (%d)\n", + dev_err(isp->dev, "%s: V4L2 device registration failed (%d)\n", __func__, ret); goto done; } @@ -1766,6 +1766,7 @@ static int isp_register_entities(struct isp_device *isp) struct media_entity *input; unsigned int flags; unsigned int pad; + unsigned int i; sensor = isp_register_subdev_group(isp, subdevs->subdevs); if (sensor == NULL) @@ -1807,13 +1808,25 @@ static int isp_register_entities(struct isp_device *isp) break; default: - printk(KERN_ERR "%s: invalid interface type %u\n", - __func__, subdevs->interface); + dev_err(isp->dev, "%s: invalid interface type %u\n", + __func__, subdevs->interface); + ret = -EINVAL; + goto done; + } + + for (i = 0; i < sensor->entity.num_pads; i++) { + if (sensor->entity.pads[i].flags & MEDIA_PAD_FL_SOURCE) + break; + } + if (i == sensor->entity.num_pads) { + dev_err(isp->dev, + "%s: no source pad in external entity\n", + __func__); ret = -EINVAL; goto done; } - ret = media_entity_create_link(&sensor->entity, 0, input, pad, + ret = media_entity_create_link(&sensor->entity, i, input, pad, flags); if (ret < 0) goto done; @@ -2096,7 +2109,11 @@ static int __devinit isp_probe(struct platform_device *pdev) isp->isp_csiphy1.vdd = regulator_get(&pdev->dev, "VDD_CSIPHY1"); isp->isp_csiphy2.vdd = regulator_get(&pdev->dev, "VDD_CSIPHY2"); - /* Clocks */ + /* Clocks + * + * The ISP clock tree is revision-dependent. We thus need to enable ICLK + * manually to read the revision before calling __omap3isp_get(). + */ ret = isp_map_mem_resource(pdev, isp, OMAP3_ISP_IOMEM_MAIN); if (ret < 0) goto error; @@ -2105,6 +2122,16 @@ static int __devinit isp_probe(struct platform_device *pdev) if (ret < 0) goto error; + ret = clk_enable(isp->clock[ISP_CLK_CAM_ICK]); + if (ret < 0) + goto error; + + isp->revision = isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_REVISION); + dev_info(isp->dev, "Revision %d.%d found\n", + (isp->revision & 0xf0) >> 4, isp->revision & 0x0f); + + clk_disable(isp->clock[ISP_CLK_CAM_ICK]); + if (__omap3isp_get(isp, false) == NULL) { ret = -ENODEV; goto error; @@ -2115,10 +2142,6 @@ static int __devinit isp_probe(struct platform_device *pdev) goto error_isp; /* Memory resources */ - isp->revision = isp_reg_readl(isp, OMAP3_ISP_IOMEM_MAIN, ISP_REVISION); - dev_info(isp->dev, "Revision %d.%d found\n", - (isp->revision & 0xf0) >> 4, isp->revision & 0x0f); - for (m = 0; m < ARRAY_SIZE(isp_res_maps); m++) if (isp->revision == isp_res_maps[m].isp_rev) break; diff --git a/drivers/media/platform/omap3isp/isp.h b/drivers/media/platform/omap3isp/isp.h index 8d68669..517d348 100644 --- a/drivers/media/platform/omap3isp/isp.h +++ b/drivers/media/platform/omap3isp/isp.h @@ -70,6 +70,8 @@ enum isp_mem_resources { OMAP3_ISP_IOMEM_CSI2C_REGS1, OMAP3_ISP_IOMEM_CSIPHY1, OMAP3_ISP_IOMEM_CSI2C_REGS2, + OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE, + OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL, OMAP3_ISP_IOMEM_LAST }; @@ -125,9 +127,6 @@ struct isp_reg { struct isp_platform_callback { u32 (*set_xclk)(struct isp_device *isp, u32 xclk, u8 xclksel); - int (*csiphy_config)(struct isp_csiphy *phy, - struct isp_csiphy_dphy_cfg *dphy, - struct isp_csiphy_lanes_cfg *lanes); }; /* diff --git a/drivers/media/platform/omap3isp/ispcsi2.c b/drivers/media/platform/omap3isp/ispcsi2.c index 6a3ff79..783f4b0 100644 --- a/drivers/media/platform/omap3isp/ispcsi2.c +++ b/drivers/media/platform/omap3isp/ispcsi2.c @@ -517,7 +517,7 @@ int omap3isp_csi2_reset(struct isp_csi2_device *csi2) } while (soft_reset_retries < 5); if (soft_reset_retries == 5) { - printk(KERN_ERR "CSI2: Soft reset try count exceeded!\n"); + dev_err(isp->dev, "CSI2: Soft reset try count exceeded!\n"); return -EBUSY; } @@ -535,8 +535,8 @@ int omap3isp_csi2_reset(struct isp_csi2_device *csi2) } while (--i > 0); if (i == 0) { - printk(KERN_ERR - "CSI2: Reset for CSI2_96M_FCLK domain Failed!\n"); + dev_err(isp->dev, + "CSI2: Reset for CSI2_96M_FCLK domain Failed!\n"); return -EBUSY; } diff --git a/drivers/media/platform/omap3isp/ispcsiphy.c b/drivers/media/platform/omap3isp/ispcsiphy.c index 348f67e..3d56b33 100644 --- a/drivers/media/platform/omap3isp/ispcsiphy.c +++ b/drivers/media/platform/omap3isp/ispcsiphy.c @@ -32,34 +32,92 @@ #include "ispreg.h" #include "ispcsiphy.h" -/* - * csiphy_lanes_config - Configuration of CSIPHY lanes. - * - * Updates HW configuration. - * Called with phy->mutex taken. - */ -static void csiphy_lanes_config(struct isp_csiphy *phy) +static void csiphy_routing_cfg_3630(struct isp_csiphy *phy, u32 iface, + bool ccp2_strobe) { - unsigned int i; - u32 reg; + u32 reg = isp_reg_readl( + phy->isp, OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL, 0); + u32 shift, mode; + + switch (iface) { + case ISP_INTERFACE_CCP2B_PHY1: + reg &= ~OMAP3630_CONTROL_CAMERA_PHY_CTRL_CSI1_RX_SEL_PHY2; + shift = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_PHY1_SHIFT; + break; + case ISP_INTERFACE_CSI2C_PHY1: + shift = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_PHY1_SHIFT; + mode = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_DPHY; + break; + case ISP_INTERFACE_CCP2B_PHY2: + reg |= OMAP3630_CONTROL_CAMERA_PHY_CTRL_CSI1_RX_SEL_PHY2; + shift = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_PHY2_SHIFT; + break; + case ISP_INTERFACE_CSI2A_PHY2: + shift = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_PHY2_SHIFT; + mode = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_DPHY; + break; + } - reg = isp_reg_readl(phy->isp, phy->cfg_regs, ISPCSI2_PHY_CFG); + /* Select data/clock or data/strobe mode for CCP2 */ + switch (iface) { + case ISP_INTERFACE_CCP2B_PHY1: + case ISP_INTERFACE_CCP2B_PHY2: + if (ccp2_strobe) + mode = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_CCP2_DATA_STROBE; + else + mode = OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_CCP2_DATA_CLOCK; + } - for (i = 0; i < phy->num_data_lanes; i++) { - reg &= ~(ISPCSI2_PHY_CFG_DATA_POL_MASK(i + 1) | - ISPCSI2_PHY_CFG_DATA_POSITION_MASK(i + 1)); - reg |= (phy->lanes.data[i].pol << - ISPCSI2_PHY_CFG_DATA_POL_SHIFT(i + 1)); - reg |= (phy->lanes.data[i].pos << - ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(i + 1)); + reg &= ~(OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_MASK << shift); + reg |= mode << shift; + + isp_reg_writel(phy->isp, reg, + OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL, 0); +} + +static void csiphy_routing_cfg_3430(struct isp_csiphy *phy, u32 iface, bool on, + bool ccp2_strobe) +{ + u32 csirxfe = OMAP343X_CONTROL_CSIRXFE_PWRDNZ + | OMAP343X_CONTROL_CSIRXFE_RESET; + + /* Only the CCP2B on PHY1 is configurable. */ + if (iface != ISP_INTERFACE_CCP2B_PHY1) + return; + + if (!on) { + isp_reg_writel(phy->isp, 0, + OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE, 0); + return; } - reg &= ~(ISPCSI2_PHY_CFG_CLOCK_POL_MASK | - ISPCSI2_PHY_CFG_CLOCK_POSITION_MASK); - reg |= phy->lanes.clk.pol << ISPCSI2_PHY_CFG_CLOCK_POL_SHIFT; - reg |= phy->lanes.clk.pos << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT; + if (ccp2_strobe) + csirxfe |= OMAP343X_CONTROL_CSIRXFE_SELFORM; - isp_reg_writel(phy->isp, reg, phy->cfg_regs, ISPCSI2_PHY_CFG); + isp_reg_writel(phy->isp, csirxfe, + OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE, 0); +} + +/* + * Configure OMAP 3 CSI PHY routing. + * @phy: relevant phy device + * @iface: ISP_INTERFACE_* + * @on: power on or off + * @ccp2_strobe: false: data/clock, true: data/strobe + * + * Note that the underlying routing configuration registers are part of the + * control (SCM) register space and part of the CORE power domain on both 3430 + * and 3630, so they will not hold their contents in off-mode. This isn't an + * issue since the MPU power domain is forced on whilst the ISP is in use. + */ +static void csiphy_routing_cfg(struct isp_csiphy *phy, u32 iface, bool on, + bool ccp2_strobe) +{ + if (phy->isp->mmio_base[OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL] + && on) + return csiphy_routing_cfg_3630(phy, iface, ccp2_strobe); + if (phy->isp->mmio_base[OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE]) + return csiphy_routing_cfg_3430(phy, iface, on, ccp2_strobe); } /* @@ -99,7 +157,7 @@ static int csiphy_set_power(struct isp_csiphy *phy, u32 power) } while ((reg != power >> 2) && (retry_count < 100)); if (retry_count == 100) { - printk(KERN_ERR "CSI2 CIO set power failed!\n"); + dev_err(phy->isp->dev, "CSI2 CIO set power failed!\n"); return -EBUSY; } @@ -107,43 +165,28 @@ static int csiphy_set_power(struct isp_csiphy *phy, u32 power) } /* - * csiphy_dphy_config - Configure CSI2 D-PHY parameters. - * - * Called with phy->mutex taken. + * TCLK values are OK at their reset values */ -static void csiphy_dphy_config(struct isp_csiphy *phy) -{ - u32 reg; - - /* Set up ISPCSIPHY_REG0 */ - reg = isp_reg_readl(phy->isp, phy->phy_regs, ISPCSIPHY_REG0); - - reg &= ~(ISPCSIPHY_REG0_THS_TERM_MASK | - ISPCSIPHY_REG0_THS_SETTLE_MASK); - reg |= phy->dphy.ths_term << ISPCSIPHY_REG0_THS_TERM_SHIFT; - reg |= phy->dphy.ths_settle << ISPCSIPHY_REG0_THS_SETTLE_SHIFT; - - isp_reg_writel(phy->isp, reg, phy->phy_regs, ISPCSIPHY_REG0); - - /* Set up ISPCSIPHY_REG1 */ - reg = isp_reg_readl(phy->isp, phy->phy_regs, ISPCSIPHY_REG1); - - reg &= ~(ISPCSIPHY_REG1_TCLK_TERM_MASK | - ISPCSIPHY_REG1_TCLK_MISS_MASK | - ISPCSIPHY_REG1_TCLK_SETTLE_MASK); - reg |= phy->dphy.tclk_term << ISPCSIPHY_REG1_TCLK_TERM_SHIFT; - reg |= phy->dphy.tclk_miss << ISPCSIPHY_REG1_TCLK_MISS_SHIFT; - reg |= phy->dphy.tclk_settle << ISPCSIPHY_REG1_TCLK_SETTLE_SHIFT; - - isp_reg_writel(phy->isp, reg, phy->phy_regs, ISPCSIPHY_REG1); -} +#define TCLK_TERM 0 +#define TCLK_MISS 1 +#define TCLK_SETTLE 14 -static int csiphy_config(struct isp_csiphy *phy, - struct isp_csiphy_dphy_cfg *dphy, - struct isp_csiphy_lanes_cfg *lanes) +static int omap3isp_csiphy_config(struct isp_csiphy *phy) { + struct isp_csi2_device *csi2 = phy->csi2; + struct isp_pipeline *pipe = to_isp_pipeline(&csi2->subdev.entity); + struct isp_v4l2_subdevs_group *subdevs = pipe->external->host_priv; + struct isp_csiphy_lanes_cfg *lanes; + int csi2_ddrclk_khz; unsigned int used_lanes = 0; unsigned int i; + u32 reg; + + if (subdevs->interface == ISP_INTERFACE_CCP2B_PHY1 + || subdevs->interface == ISP_INTERFACE_CCP2B_PHY2) + lanes = &subdevs->bus.ccp2.lanecfg; + else + lanes = &subdevs->bus.csi2.lanecfg; /* Clock and data lanes verification */ for (i = 0; i < phy->num_data_lanes; i++) { @@ -162,10 +205,61 @@ static int csiphy_config(struct isp_csiphy *phy, if (lanes->clk.pos == 0 || used_lanes & (1 << lanes->clk.pos)) return -EINVAL; - mutex_lock(&phy->mutex); - phy->dphy = *dphy; - phy->lanes = *lanes; - mutex_unlock(&phy->mutex); + /* + * The PHY configuration is lost in off mode, that's not an + * issue since the MPU power domain is forced on whilst the + * ISP is in use. + */ + csiphy_routing_cfg(phy, subdevs->interface, true, + subdevs->bus.ccp2.phy_layer); + + /* DPHY timing configuration */ + /* CSI-2 is DDR and we only count used lanes. */ + csi2_ddrclk_khz = pipe->external_rate / 1000 + / (2 * hweight32(used_lanes)) * pipe->external_width; + + reg = isp_reg_readl(csi2->isp, phy->phy_regs, ISPCSIPHY_REG0); + + reg &= ~(ISPCSIPHY_REG0_THS_TERM_MASK | + ISPCSIPHY_REG0_THS_SETTLE_MASK); + /* THS_TERM: Programmed value = ceil(12.5 ns/DDRClk period) - 1. */ + reg |= (DIV_ROUND_UP(25 * csi2_ddrclk_khz, 2000000) - 1) + << ISPCSIPHY_REG0_THS_TERM_SHIFT; + /* THS_SETTLE: Programmed value = ceil(90 ns/DDRClk period) + 3. */ + reg |= (DIV_ROUND_UP(90 * csi2_ddrclk_khz, 1000000) + 3) + << ISPCSIPHY_REG0_THS_SETTLE_SHIFT; + + isp_reg_writel(csi2->isp, reg, phy->phy_regs, ISPCSIPHY_REG0); + + reg = isp_reg_readl(csi2->isp, phy->phy_regs, ISPCSIPHY_REG1); + + reg &= ~(ISPCSIPHY_REG1_TCLK_TERM_MASK | + ISPCSIPHY_REG1_TCLK_MISS_MASK | + ISPCSIPHY_REG1_TCLK_SETTLE_MASK); + reg |= TCLK_TERM << ISPCSIPHY_REG1_TCLK_TERM_SHIFT; + reg |= TCLK_MISS << ISPCSIPHY_REG1_TCLK_MISS_SHIFT; + reg |= TCLK_SETTLE << ISPCSIPHY_REG1_TCLK_SETTLE_SHIFT; + + isp_reg_writel(csi2->isp, reg, phy->phy_regs, ISPCSIPHY_REG1); + + /* DPHY lane configuration */ + reg = isp_reg_readl(csi2->isp, phy->cfg_regs, ISPCSI2_PHY_CFG); + + for (i = 0; i < phy->num_data_lanes; i++) { + reg &= ~(ISPCSI2_PHY_CFG_DATA_POL_MASK(i + 1) | + ISPCSI2_PHY_CFG_DATA_POSITION_MASK(i + 1)); + reg |= (lanes->data[i].pol << + ISPCSI2_PHY_CFG_DATA_POL_SHIFT(i + 1)); + reg |= (lanes->data[i].pos << + ISPCSI2_PHY_CFG_DATA_POSITION_SHIFT(i + 1)); + } + + reg &= ~(ISPCSI2_PHY_CFG_CLOCK_POL_MASK | + ISPCSI2_PHY_CFG_CLOCK_POSITION_MASK); + reg |= lanes->clk.pol << ISPCSI2_PHY_CFG_CLOCK_POL_SHIFT; + reg |= lanes->clk.pos << ISPCSI2_PHY_CFG_CLOCK_POSITION_SHIFT; + + isp_reg_writel(csi2->isp, reg, phy->cfg_regs, ISPCSI2_PHY_CFG); return 0; } @@ -190,8 +284,9 @@ int omap3isp_csiphy_acquire(struct isp_csiphy *phy) if (rval < 0) goto done; - csiphy_dphy_config(phy); - csiphy_lanes_config(phy); + rval = omap3isp_csiphy_config(phy); + if (rval < 0) + goto done; rval = csiphy_set_power(phy, ISPCSI2_PHY_CFG_PWR_CMD_ON); if (rval) { @@ -211,6 +306,14 @@ void omap3isp_csiphy_release(struct isp_csiphy *phy) { mutex_lock(&phy->mutex); if (phy->phy_in_use) { + struct isp_csi2_device *csi2 = phy->csi2; + struct isp_pipeline *pipe = + to_isp_pipeline(&csi2->subdev.entity); + struct isp_v4l2_subdevs_group *subdevs = + pipe->external->host_priv; + + csiphy_routing_cfg(phy, subdevs->interface, false, + subdevs->bus.ccp2.phy_layer); csiphy_power_autoswitch_enable(phy, false); csiphy_set_power(phy, ISPCSI2_PHY_CFG_PWR_CMD_OFF); regulator_disable(phy->vdd); @@ -227,8 +330,6 @@ int omap3isp_csiphy_init(struct isp_device *isp) struct isp_csiphy *phy1 = &isp->isp_csiphy1; struct isp_csiphy *phy2 = &isp->isp_csiphy2; - isp->platform_cb.csiphy_config = csiphy_config; - phy2->isp = isp; phy2->csi2 = &isp->isp_csi2a; phy2->num_data_lanes = ISP_CSIPHY2_NUM_DATA_LANES; diff --git a/drivers/media/platform/omap3isp/ispcsiphy.h b/drivers/media/platform/omap3isp/ispcsiphy.h index e93a661..14551fd 100644 --- a/drivers/media/platform/omap3isp/ispcsiphy.h +++ b/drivers/media/platform/omap3isp/ispcsiphy.h @@ -32,14 +32,6 @@ struct isp_csi2_device; struct regulator; -struct isp_csiphy_dphy_cfg { - u8 ths_term; - u8 ths_settle; - u8 tclk_term; - unsigned tclk_miss:1; - u8 tclk_settle; -}; - struct isp_csiphy { struct isp_device *isp; struct mutex mutex; /* serialize csiphy configuration */ @@ -52,8 +44,6 @@ struct isp_csiphy { unsigned int phy_regs; u8 num_data_lanes; /* number of CSI2 Data Lanes supported */ - struct isp_csiphy_lanes_cfg lanes; - struct isp_csiphy_dphy_cfg dphy; }; int omap3isp_csiphy_acquire(struct isp_csiphy *phy); diff --git a/drivers/media/platform/omap3isp/isphist.c b/drivers/media/platform/omap3isp/isphist.c index e7f9c42..2d759c5 100644 --- a/drivers/media/platform/omap3isp/isphist.c +++ b/drivers/media/platform/omap3isp/isphist.c @@ -74,11 +74,14 @@ static void hist_reset_mem(struct ispstat *hist) static void hist_dma_config(struct ispstat *hist) { + struct isp_device *isp = hist->isp; + hist->dma_config.data_type = OMAP_DMA_DATA_TYPE_S32; hist->dma_config.sync_mode = OMAP_DMA_SYNC_ELEMENT; hist->dma_config.frame_count = 1; hist->dma_config.src_amode = OMAP_DMA_AMODE_CONSTANT; - hist->dma_config.src_start = OMAP3ISP_HIST_REG_BASE + ISPHIST_DATA; + hist->dma_config.src_start = isp->mmio_base_phys[OMAP3_ISP_IOMEM_HIST] + + ISPHIST_DATA; hist->dma_config.dst_amode = OMAP_DMA_AMODE_POST_INC; hist->dma_config.src_or_dst_synch = OMAP_DMA_SRC_SYNC; } @@ -479,6 +482,8 @@ int omap3isp_hist_init(struct isp_device *isp) return -ENOMEM; memset(hist, 0, sizeof(*hist)); + hist->isp = isp; + if (HIST_CONFIG_DMA) ret = omap_request_dma(OMAP24XX_DMA_NO_DEVICE, "DMA_ISP_HIST", hist_dma_cb, hist, &hist->dma_ch); @@ -496,7 +501,6 @@ int omap3isp_hist_init(struct isp_device *isp) hist->ops = &hist_ops; hist->priv = hist_cfg; hist->event_type = V4L2_EVENT_OMAP3ISP_HIST; - hist->isp = isp; ret = omap3isp_stat_init(hist, "histogram", &hist_subdev_ops); if (ret) { diff --git a/drivers/media/platform/omap3isp/isppreview.c b/drivers/media/platform/omap3isp/isppreview.c index 1ae1c09..691b92a 100644 --- a/drivers/media/platform/omap3isp/isppreview.c +++ b/drivers/media/platform/omap3isp/isppreview.c @@ -200,10 +200,10 @@ static void preview_enable_invalaw(struct isp_prev_device *prev, bool enable) if (enable) isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_WIDTH | ISPPRV_PCR_INVALAW); + ISPPRV_PCR_INVALAW); else isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, - ISPPRV_PCR_WIDTH | ISPPRV_PCR_INVALAW); + ISPPRV_PCR_INVALAW); } /* @@ -1014,7 +1014,7 @@ static void preview_config_averager(struct isp_prev_device *prev, u8 average) /* * preview_config_input_format - Configure the input format * @prev: The preview engine - * @format: Format on the preview engine sink pad + * @info: Sink pad format information * * Enable and configure CFA interpolation for Bayer formats and disable it for * greyscale formats. @@ -1025,22 +1025,29 @@ static void preview_config_averager(struct isp_prev_device *prev, u8 average) * reordered to support non-GRBG Bayer patterns. */ static void preview_config_input_format(struct isp_prev_device *prev, - const struct v4l2_mbus_framefmt *format) + const struct isp_format_info *info) { struct isp_device *isp = to_isp_device(prev); struct prev_params *params; - switch (format->code) { - case V4L2_MBUS_FMT_SGRBG10_1X10: + if (info->width == 8) + isp_reg_set(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, + ISPPRV_PCR_WIDTH); + else + isp_reg_clr(isp, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, + ISPPRV_PCR_WIDTH); + + switch (info->flavor) { + case V4L2_MBUS_FMT_SGRBG8_1X8: prev->params.cfa_order = 0; break; - case V4L2_MBUS_FMT_SRGGB10_1X10: + case V4L2_MBUS_FMT_SRGGB8_1X8: prev->params.cfa_order = 1; break; - case V4L2_MBUS_FMT_SBGGR10_1X10: + case V4L2_MBUS_FMT_SBGGR8_1X8: prev->params.cfa_order = 2; break; - case V4L2_MBUS_FMT_SGBRG10_1X10: + case V4L2_MBUS_FMT_SGBRG8_1X8: prev->params.cfa_order = 3; break; default: @@ -1081,7 +1088,8 @@ static void preview_config_input_size(struct isp_prev_device *prev, u32 active) unsigned int elv = prev->crop.top + prev->crop.height - 1; u32 features; - if (format->code != V4L2_MBUS_FMT_Y10_1X10) { + if (format->code != V4L2_MBUS_FMT_Y8_1X8 && + format->code != V4L2_MBUS_FMT_Y10_1X10) { sph -= 2; eph += 2; slv -= 2; @@ -1389,6 +1397,7 @@ static unsigned int preview_max_out_width(struct isp_prev_device *prev) static void preview_configure(struct isp_prev_device *prev) { struct isp_device *isp = to_isp_device(prev); + const struct isp_format_info *info; struct v4l2_mbus_framefmt *format; unsigned long flags; u32 update; @@ -1402,17 +1411,18 @@ static void preview_configure(struct isp_prev_device *prev) /* PREV_PAD_SINK */ format = &prev->formats[PREV_PAD_SINK]; + info = omap3isp_video_format_info(format->code); preview_adjust_bandwidth(prev); - preview_config_input_format(prev, format); + preview_config_input_format(prev, info); preview_config_input_size(prev, active); if (prev->input == PREVIEW_INPUT_CCDC) preview_config_inlineoffset(prev, 0); else - preview_config_inlineoffset(prev, - ALIGN(format->width, 0x20) * 2); + preview_config_inlineoffset(prev, ALIGN(format->width, 0x20) * + info->bpp); preview_setup_hw(prev, update, active); @@ -1709,6 +1719,11 @@ __preview_get_crop(struct isp_prev_device *prev, struct v4l2_subdev_fh *fh, /* previewer format descriptions */ static const unsigned int preview_input_fmts[] = { + V4L2_MBUS_FMT_Y8_1X8, + V4L2_MBUS_FMT_SGRBG8_1X8, + V4L2_MBUS_FMT_SRGGB8_1X8, + V4L2_MBUS_FMT_SBGGR8_1X8, + V4L2_MBUS_FMT_SGBRG8_1X8, V4L2_MBUS_FMT_Y10_1X10, V4L2_MBUS_FMT_SGRBG10_1X10, V4L2_MBUS_FMT_SRGGB10_1X10, diff --git a/drivers/media/platform/omap3isp/ispreg.h b/drivers/media/platform/omap3isp/ispreg.h index e2c57f3..b7d90e6 100644 --- a/drivers/media/platform/omap3isp/ispreg.h +++ b/drivers/media/platform/omap3isp/ispreg.h @@ -29,83 +29,6 @@ #define CM_CAM_MCLK_HZ 172800000 /* Hz */ -/* ISP Submodules offset */ - -#define L4_34XX_BASE 0x48000000 -#define OMAP3430_ISP_BASE (L4_34XX_BASE + 0xBC000) - -#define OMAP3ISP_REG_BASE OMAP3430_ISP_BASE -#define OMAP3ISP_REG(offset) (OMAP3ISP_REG_BASE + (offset)) - -#define OMAP3ISP_CCP2_REG_OFFSET 0x0400 -#define OMAP3ISP_CCP2_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CCP2_REG_OFFSET) -#define OMAP3ISP_CCP2_REG(offset) (OMAP3ISP_CCP2_REG_BASE + (offset)) - -#define OMAP3ISP_CCDC_REG_OFFSET 0x0600 -#define OMAP3ISP_CCDC_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CCDC_REG_OFFSET) -#define OMAP3ISP_CCDC_REG(offset) (OMAP3ISP_CCDC_REG_BASE + (offset)) - -#define OMAP3ISP_HIST_REG_OFFSET 0x0A00 -#define OMAP3ISP_HIST_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_HIST_REG_OFFSET) -#define OMAP3ISP_HIST_REG(offset) (OMAP3ISP_HIST_REG_BASE + (offset)) - -#define OMAP3ISP_H3A_REG_OFFSET 0x0C00 -#define OMAP3ISP_H3A_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_H3A_REG_OFFSET) -#define OMAP3ISP_H3A_REG(offset) (OMAP3ISP_H3A_REG_BASE + (offset)) - -#define OMAP3ISP_PREV_REG_OFFSET 0x0E00 -#define OMAP3ISP_PREV_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_PREV_REG_OFFSET) -#define OMAP3ISP_PREV_REG(offset) (OMAP3ISP_PREV_REG_BASE + (offset)) - -#define OMAP3ISP_RESZ_REG_OFFSET 0x1000 -#define OMAP3ISP_RESZ_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_RESZ_REG_OFFSET) -#define OMAP3ISP_RESZ_REG(offset) (OMAP3ISP_RESZ_REG_BASE + (offset)) - -#define OMAP3ISP_SBL_REG_OFFSET 0x1200 -#define OMAP3ISP_SBL_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_SBL_REG_OFFSET) -#define OMAP3ISP_SBL_REG(offset) (OMAP3ISP_SBL_REG_BASE + (offset)) - -#define OMAP3ISP_CSI2A_REGS1_REG_OFFSET 0x1800 -#define OMAP3ISP_CSI2A_REGS1_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSI2A_REGS1_REG_OFFSET) -#define OMAP3ISP_CSI2A_REGS1_REG(offset) \ - (OMAP3ISP_CSI2A_REGS1_REG_BASE + (offset)) - -#define OMAP3ISP_CSIPHY2_REG_OFFSET 0x1970 -#define OMAP3ISP_CSIPHY2_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSIPHY2_REG_OFFSET) -#define OMAP3ISP_CSIPHY2_REG(offset) (OMAP3ISP_CSIPHY2_REG_BASE + (offset)) - -#define OMAP3ISP_CSI2A_REGS2_REG_OFFSET 0x19C0 -#define OMAP3ISP_CSI2A_REGS2_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSI2A_REGS2_REG_OFFSET) -#define OMAP3ISP_CSI2A_REGS2_REG(offset) \ - (OMAP3ISP_CSI2A_REGS2_REG_BASE + (offset)) - -#define OMAP3ISP_CSI2C_REGS1_REG_OFFSET 0x1C00 -#define OMAP3ISP_CSI2C_REGS1_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSI2C_REGS1_REG_OFFSET) -#define OMAP3ISP_CSI2C_REGS1_REG(offset) \ - (OMAP3ISP_CSI2C_REGS1_REG_BASE + (offset)) - -#define OMAP3ISP_CSIPHY1_REG_OFFSET 0x1D70 -#define OMAP3ISP_CSIPHY1_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSIPHY1_REG_OFFSET) -#define OMAP3ISP_CSIPHY1_REG(offset) (OMAP3ISP_CSIPHY1_REG_BASE + (offset)) - -#define OMAP3ISP_CSI2C_REGS2_REG_OFFSET 0x1DC0 -#define OMAP3ISP_CSI2C_REGS2_REG_BASE (OMAP3ISP_REG_BASE + \ - OMAP3ISP_CSI2C_REGS2_REG_OFFSET) -#define OMAP3ISP_CSI2C_REGS2_REG(offset) \ - (OMAP3ISP_CSI2C_REGS2_REG_BASE + (offset)) - /* ISP module register offset */ #define ISP_REVISION (0x000) @@ -1583,4 +1506,26 @@ #define ISPCSIPHY_REG2_CCP2_SYNC_PATTERN_MASK \ (0x7fffff << ISPCSIPHY_REG2_CCP2_SYNC_PATTERN_SHIFT) +/* ----------------------------------------------------------------------------- + * CONTROL registers for CSI-2 phy routing + */ + +/* OMAP343X_CONTROL_CSIRXFE */ +#define OMAP343X_CONTROL_CSIRXFE_CSIB_INV (1 << 7) +#define OMAP343X_CONTROL_CSIRXFE_RESENABLE (1 << 8) +#define OMAP343X_CONTROL_CSIRXFE_SELFORM (1 << 10) +#define OMAP343X_CONTROL_CSIRXFE_PWRDNZ (1 << 12) +#define OMAP343X_CONTROL_CSIRXFE_RESET (1 << 13) + +/* OMAP3630_CONTROL_CAMERA_PHY_CTRL */ +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_PHY1_SHIFT 2 +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_PHY2_SHIFT 0 +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_DPHY 0x0 +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_CCP2_DATA_STROBE 0x1 +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_CCP2_DATA_CLOCK 0x2 +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_GPI 0x3 +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_MASK 0x3 +/* CCP2B: set to receive data from PHY2 instead of PHY1 */ +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL_CSI1_RX_SEL_PHY2 (1 << 4) + #endif /* OMAP3_ISP_REG_H */ diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c index e793986..61e17f9 100644 --- a/drivers/media/platform/omap3isp/ispstat.c +++ b/drivers/media/platform/omap3isp/ispstat.c @@ -257,7 +257,7 @@ static int isp_stat_buf_queue(struct ispstat *stat) if (!stat->active_buf) return STAT_NO_BUF; - do_gettimeofday(&stat->active_buf->ts); + ktime_get_ts(&stat->active_buf->ts); stat->active_buf->buf_size = stat->buf_size; if (isp_stat_buf_check_magic(stat, stat->active_buf)) { @@ -537,7 +537,8 @@ int omap3isp_stat_request_statistics(struct ispstat *stat, return PTR_ERR(buf); } - data->ts = buf->ts; + data->ts.tv_sec = buf->ts.tv_sec; + data->ts.tv_usec = buf->ts.tv_nsec / NSEC_PER_USEC; data->config_counter = buf->config_counter; data->frame_number = buf->frame_number; data->buf_size = buf->buf_size; diff --git a/drivers/media/platform/omap3isp/ispstat.h b/drivers/media/platform/omap3isp/ispstat.h index fd15094..9a047c9 100644 --- a/drivers/media/platform/omap3isp/ispstat.h +++ b/drivers/media/platform/omap3isp/ispstat.h @@ -50,7 +50,7 @@ struct ispstat_buffer { struct iovm_struct *iovm; void *virt_addr; dma_addr_t dma_addr; - struct timeval ts; + struct timespec ts; u32 buf_size; u32 frame_number; u16 config_counter; diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index 3311d6b..e0d73a6 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -1392,7 +1392,8 @@ int omap3isp_video_register(struct isp_video *video, struct v4l2_device *vdev) ret = video_register_device(&video->video, VFL_TYPE_GRABBER, -1); if (ret < 0) - printk(KERN_ERR "%s: could not register video device (%d)\n", + dev_err(video->isp->dev, + "%s: could not register video device (%d)\n", __func__, ret); return ret; diff --git a/drivers/media/platform/s3c-camif/Makefile b/drivers/media/platform/s3c-camif/Makefile new file mode 100644 index 0000000..50bf8c5 --- /dev/null +++ b/drivers/media/platform/s3c-camif/Makefile @@ -0,0 +1,5 @@ +# Makefile for s3c244x/s3c64xx CAMIF driver + +s3c-camif-objs := camif-core.o camif-capture.o camif-regs.o + +obj-$(CONFIG_VIDEO_S3C_CAMIF) += s3c-camif.o diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c new file mode 100644 index 0000000..a55793c --- /dev/null +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -0,0 +1,1672 @@ +/* + * s3c24xx/s3c64xx SoC series Camera Interface (CAMIF) driver + * + * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> + * Copyright (C) 2012 Tomasz Figa <tomasz.figa@gmail.com> + * + * Based on drivers/media/platform/s5p-fimc, + * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ +#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__ + +#include <linux/bug.h> +#include <linux/clk.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/ratelimit.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/videodev2.h> + +#include <media/media-device.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-event.h> +#include <media/v4l2-ioctl.h> +#include <media/videobuf2-core.h> +#include <media/videobuf2-dma-contig.h> + +#include "camif-core.h" +#include "camif-regs.h" + +static int debug; +module_param(debug, int, 0644); + +/* Locking: called with vp->camif->slock spinlock held */ +static void camif_cfg_video_path(struct camif_vp *vp) +{ + WARN_ON(s3c_camif_get_scaler_config(vp, &vp->scaler)); + camif_hw_set_scaler(vp); + camif_hw_set_flip(vp); + camif_hw_set_target_format(vp); + camif_hw_set_output_dma(vp); +} + +static void camif_prepare_dma_offset(struct camif_vp *vp) +{ + struct camif_frame *f = &vp->out_frame; + + f->dma_offset.initial = f->rect.top * f->f_width + f->rect.left; + f->dma_offset.line = f->f_width - (f->rect.left + f->rect.width); + + pr_debug("dma_offset: initial: %d, line: %d\n", + f->dma_offset.initial, f->dma_offset.line); +} + +/* Locking: called with camif->slock spinlock held */ +static int s3c_camif_hw_init(struct camif_dev *camif, struct camif_vp *vp) +{ + const struct s3c_camif_variant *variant = camif->variant; + + if (camif->sensor.sd == NULL || vp->out_fmt == NULL) + return -EINVAL; + + if (variant->ip_revision == S3C244X_CAMIF_IP_REV) + camif_hw_clear_fifo_overflow(vp); + camif_hw_set_camera_bus(camif); + camif_hw_set_source_format(camif); + camif_hw_set_camera_crop(camif); + camif_hw_set_test_pattern(camif, camif->test_pattern); + if (variant->has_img_effect) + camif_hw_set_effect(camif, camif->colorfx, + camif->colorfx_cb, camif->colorfx_cr); + if (variant->ip_revision == S3C6410_CAMIF_IP_REV) + camif_hw_set_input_path(vp); + camif_cfg_video_path(vp); + vp->state &= ~ST_VP_CONFIG; + + return 0; +} + +/* + * Initialize the video path, only up from the scaler stage. The camera + * input interface set up is skipped. This is useful to enable one of the + * video paths when the other is already running. + * Locking: called with camif->slock spinlock held. + */ +static int s3c_camif_hw_vp_init(struct camif_dev *camif, struct camif_vp *vp) +{ + unsigned int ip_rev = camif->variant->ip_revision; + + if (vp->out_fmt == NULL) + return -EINVAL; + + camif_prepare_dma_offset(vp); + if (ip_rev == S3C244X_CAMIF_IP_REV) + camif_hw_clear_fifo_overflow(vp); + camif_cfg_video_path(vp); + vp->state &= ~ST_VP_CONFIG; + return 0; +} + +static int sensor_set_power(struct camif_dev *camif, int on) +{ + struct cam_sensor *sensor = &camif->sensor; + int err = 0; + + if (!on == camif->sensor.power_count) + err = v4l2_subdev_call(sensor->sd, core, s_power, on); + if (!err) + sensor->power_count += on ? 1 : -1; + + pr_debug("on: %d, power_count: %d, err: %d\n", + on, sensor->power_count, err); + + return err; +} + +static int sensor_set_streaming(struct camif_dev *camif, int on) +{ + struct cam_sensor *sensor = &camif->sensor; + int err = 0; + + if (!on == camif->sensor.stream_count) + err = v4l2_subdev_call(sensor->sd, video, s_stream, on); + if (!err) + sensor->stream_count += on ? 1 : -1; + + pr_debug("on: %d, stream_count: %d, err: %d\n", + on, sensor->stream_count, err); + + return err; +} + +/* + * Reinitialize the driver so it is ready to start streaming again. + * Return any buffers to vb2, perform CAMIF software reset and + * turn off streaming at the data pipeline (sensor) if required. + */ +static int camif_reinitialize(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + struct camif_buffer *buf; + unsigned long flags; + bool streaming; + + spin_lock_irqsave(&camif->slock, flags); + streaming = vp->state & ST_VP_SENSOR_STREAMING; + + vp->state &= ~(ST_VP_PENDING | ST_VP_RUNNING | ST_VP_OFF | + ST_VP_ABORTING | ST_VP_STREAMING | + ST_VP_SENSOR_STREAMING | ST_VP_LASTIRQ); + + /* Release unused buffers */ + while (!list_empty(&vp->pending_buf_q)) { + buf = camif_pending_queue_pop(vp); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); + } + + while (!list_empty(&vp->active_buf_q)) { + buf = camif_active_queue_pop(vp); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); + } + + spin_unlock_irqrestore(&camif->slock, flags); + + if (!streaming) + return 0; + + return sensor_set_streaming(camif, 0); +} + +static bool s3c_vp_active(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + unsigned long flags; + bool ret; + + spin_lock_irqsave(&camif->slock, flags); + ret = (vp->state & ST_VP_RUNNING) || (vp->state & ST_VP_PENDING); + spin_unlock_irqrestore(&camif->slock, flags); + + return ret; +} + +static bool camif_is_streaming(struct camif_dev *camif) +{ + unsigned long flags; + bool status; + + spin_lock_irqsave(&camif->slock, flags); + status = camif->stream_count > 0; + spin_unlock_irqrestore(&camif->slock, flags); + + return status; +} + +static int camif_stop_capture(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + unsigned long flags; + int ret; + + if (!s3c_vp_active(vp)) + return 0; + + spin_lock_irqsave(&camif->slock, flags); + vp->state &= ~(ST_VP_OFF | ST_VP_LASTIRQ); + vp->state |= ST_VP_ABORTING; + spin_unlock_irqrestore(&camif->slock, flags); + + ret = wait_event_timeout(vp->irq_queue, + !(vp->state & ST_VP_ABORTING), + msecs_to_jiffies(CAMIF_STOP_TIMEOUT)); + + spin_lock_irqsave(&camif->slock, flags); + + if (ret == 0 && !(vp->state & ST_VP_OFF)) { + /* Timed out, forcibly stop capture */ + vp->state &= ~(ST_VP_OFF | ST_VP_ABORTING | + ST_VP_LASTIRQ); + + camif_hw_disable_capture(vp); + camif_hw_enable_scaler(vp, false); + } + + spin_unlock_irqrestore(&camif->slock, flags); + + return camif_reinitialize(vp); +} + +static int camif_prepare_addr(struct camif_vp *vp, struct vb2_buffer *vb, + struct camif_addr *paddr) +{ + struct camif_frame *frame = &vp->out_frame; + u32 pix_size; + + if (vb == NULL || frame == NULL) + return -EINVAL; + + pix_size = frame->rect.width * frame->rect.height; + + pr_debug("colplanes: %d, pix_size: %u\n", + vp->out_fmt->colplanes, pix_size); + + paddr->y = vb2_dma_contig_plane_dma_addr(vb, 0); + + switch (vp->out_fmt->colplanes) { + case 1: + paddr->cb = 0; + paddr->cr = 0; + break; + case 2: + /* decompose Y into Y/Cb */ + paddr->cb = (u32)(paddr->y + pix_size); + paddr->cr = 0; + break; + case 3: + paddr->cb = (u32)(paddr->y + pix_size); + /* decompose Y into Y/Cb/Cr */ + if (vp->out_fmt->color == IMG_FMT_YCBCR422P) + paddr->cr = (u32)(paddr->cb + (pix_size >> 1)); + else /* 420 */ + paddr->cr = (u32)(paddr->cb + (pix_size >> 2)); + + if (vp->out_fmt->color == IMG_FMT_YCRCB420) + swap(paddr->cb, paddr->cr); + break; + default: + return -EINVAL; + } + + pr_debug("DMA address: y: %#x cb: %#x cr: %#x\n", + paddr->y, paddr->cb, paddr->cr); + + return 0; +} + +irqreturn_t s3c_camif_irq_handler(int irq, void *priv) +{ + struct camif_vp *vp = priv; + struct camif_dev *camif = vp->camif; + unsigned int ip_rev = camif->variant->ip_revision; + unsigned int status; + + spin_lock(&camif->slock); + + if (ip_rev == S3C6410_CAMIF_IP_REV) + camif_hw_clear_pending_irq(vp); + + status = camif_hw_get_status(vp); + + if (ip_rev == S3C244X_CAMIF_IP_REV && (status & CISTATUS_OVF_MASK)) { + camif_hw_clear_fifo_overflow(vp); + goto unlock; + } + + if (vp->state & ST_VP_ABORTING) { + if (vp->state & ST_VP_OFF) { + /* Last IRQ */ + vp->state &= ~(ST_VP_OFF | ST_VP_ABORTING | + ST_VP_LASTIRQ); + wake_up(&vp->irq_queue); + goto unlock; + } else if (vp->state & ST_VP_LASTIRQ) { + camif_hw_disable_capture(vp); + camif_hw_enable_scaler(vp, false); + camif_hw_set_lastirq(vp, false); + vp->state |= ST_VP_OFF; + } else { + /* Disable capture, enable last IRQ */ + camif_hw_set_lastirq(vp, true); + vp->state |= ST_VP_LASTIRQ; + } + } + + if (!list_empty(&vp->pending_buf_q) && (vp->state & ST_VP_RUNNING) && + !list_empty(&vp->active_buf_q)) { + unsigned int index; + struct camif_buffer *vbuf; + struct timeval *tv; + struct timespec ts; + /* + * Get previous DMA write buffer index: + * 0 => DMA buffer 0, 2; + * 1 => DMA buffer 1, 3. + */ + index = (CISTATUS_FRAMECNT(status) + 2) & 1; + + ktime_get_ts(&ts); + vbuf = camif_active_queue_peek(vp, index); + + if (!WARN_ON(vbuf == NULL)) { + /* Dequeue a filled buffer */ + tv = &vbuf->vb.v4l2_buf.timestamp; + tv->tv_sec = ts.tv_sec; + tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC; + vbuf->vb.v4l2_buf.sequence = vp->frame_sequence++; + vb2_buffer_done(&vbuf->vb, VB2_BUF_STATE_DONE); + + /* Set up an empty buffer at the DMA engine */ + vbuf = camif_pending_queue_pop(vp); + vbuf->index = index; + camif_hw_set_output_addr(vp, &vbuf->paddr, index); + camif_hw_set_output_addr(vp, &vbuf->paddr, index + 2); + + /* Scheduled in H/W, add to the queue */ + camif_active_queue_add(vp, vbuf); + } + } else if (!(vp->state & ST_VP_ABORTING) && + (vp->state & ST_VP_PENDING)) { + vp->state |= ST_VP_RUNNING; + } + + if (vp->state & ST_VP_CONFIG) { + camif_prepare_dma_offset(vp); + camif_hw_set_camera_crop(camif); + camif_hw_set_scaler(vp); + camif_hw_set_flip(vp); + camif_hw_set_test_pattern(camif, camif->test_pattern); + if (camif->variant->has_img_effect) + camif_hw_set_effect(camif, camif->colorfx, + camif->colorfx_cb, camif->colorfx_cr); + vp->state &= ~ST_VP_CONFIG; + } +unlock: + spin_unlock(&camif->slock); + return IRQ_HANDLED; +} + +static int start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct camif_vp *vp = vb2_get_drv_priv(vq); + struct camif_dev *camif = vp->camif; + unsigned long flags; + int ret; + + /* + * We assume the codec capture path is always activated + * first, before the preview path starts streaming. + * This is required to avoid internal FIFO overflow and + * a need for CAMIF software reset. + */ + spin_lock_irqsave(&camif->slock, flags); + + if (camif->stream_count == 0) { + camif_hw_reset(camif); + ret = s3c_camif_hw_init(camif, vp); + } else { + ret = s3c_camif_hw_vp_init(camif, vp); + } + spin_unlock_irqrestore(&camif->slock, flags); + + if (ret < 0) { + camif_reinitialize(vp); + return ret; + } + + spin_lock_irqsave(&camif->slock, flags); + vp->frame_sequence = 0; + vp->state |= ST_VP_PENDING; + + if (!list_empty(&vp->pending_buf_q) && + (!(vp->state & ST_VP_STREAMING) || + !(vp->state & ST_VP_SENSOR_STREAMING))) { + + camif_hw_enable_scaler(vp, vp->scaler.enable); + camif_hw_enable_capture(vp); + vp->state |= ST_VP_STREAMING; + + if (!(vp->state & ST_VP_SENSOR_STREAMING)) { + vp->state |= ST_VP_SENSOR_STREAMING; + spin_unlock_irqrestore(&camif->slock, flags); + ret = sensor_set_streaming(camif, 1); + if (ret) + v4l2_err(&vp->vdev, "Sensor s_stream failed\n"); + if (debug) + camif_hw_dump_regs(camif, __func__); + + return ret; + } + } + + spin_unlock_irqrestore(&camif->slock, flags); + return 0; +} + +static int stop_streaming(struct vb2_queue *vq) +{ + struct camif_vp *vp = vb2_get_drv_priv(vq); + return camif_stop_capture(vp); +} + +static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *pfmt, + unsigned int *num_buffers, unsigned int *num_planes, + unsigned int sizes[], void *allocators[]) +{ + const struct v4l2_pix_format *pix = NULL; + struct camif_vp *vp = vb2_get_drv_priv(vq); + struct camif_dev *camif = vp->camif; + struct camif_frame *frame = &vp->out_frame; + const struct camif_fmt *fmt = vp->out_fmt; + unsigned int size; + + if (pfmt) { + pix = &pfmt->fmt.pix; + fmt = s3c_camif_find_format(vp, &pix->pixelformat, -1); + size = (pix->width * pix->height * fmt->depth) / 8; + } else { + size = (frame->f_width * frame->f_height * fmt->depth) / 8; + } + + if (fmt == NULL) + return -EINVAL; + *num_planes = 1; + + if (pix) + sizes[0] = max(size, pix->sizeimage); + else + sizes[0] = size; + allocators[0] = camif->alloc_ctx; + + pr_debug("size: %u\n", sizes[0]); + return 0; +} + +static int buffer_prepare(struct vb2_buffer *vb) +{ + struct camif_vp *vp = vb2_get_drv_priv(vb->vb2_queue); + + if (vp->out_fmt == NULL) + return -EINVAL; + + if (vb2_plane_size(vb, 0) < vp->payload) { + v4l2_err(&vp->vdev, "buffer too small: %lu, required: %u\n", + vb2_plane_size(vb, 0), vp->payload); + return -EINVAL; + } + vb2_set_plane_payload(vb, 0, vp->payload); + + return 0; +} + +static void buffer_queue(struct vb2_buffer *vb) +{ + struct camif_buffer *buf = container_of(vb, struct camif_buffer, vb); + struct camif_vp *vp = vb2_get_drv_priv(vb->vb2_queue); + struct camif_dev *camif = vp->camif; + unsigned long flags; + + spin_lock_irqsave(&camif->slock, flags); + WARN_ON(camif_prepare_addr(vp, &buf->vb, &buf->paddr)); + + if (!(vp->state & ST_VP_STREAMING) && vp->active_buffers < 2) { + /* Schedule an empty buffer in H/W */ + buf->index = vp->buf_index; + + camif_hw_set_output_addr(vp, &buf->paddr, buf->index); + camif_hw_set_output_addr(vp, &buf->paddr, buf->index + 2); + + camif_active_queue_add(vp, buf); + vp->buf_index = !vp->buf_index; + } else { + camif_pending_queue_add(vp, buf); + } + + if (vb2_is_streaming(&vp->vb_queue) && !list_empty(&vp->pending_buf_q) + && !(vp->state & ST_VP_STREAMING)) { + + vp->state |= ST_VP_STREAMING; + camif_hw_enable_scaler(vp, vp->scaler.enable); + camif_hw_enable_capture(vp); + spin_unlock_irqrestore(&camif->slock, flags); + + if (!(vp->state & ST_VP_SENSOR_STREAMING)) { + if (sensor_set_streaming(camif, 1) == 0) + vp->state |= ST_VP_SENSOR_STREAMING; + else + v4l2_err(&vp->vdev, "Sensor s_stream failed\n"); + + if (debug) + camif_hw_dump_regs(camif, __func__); + } + return; + } + spin_unlock_irqrestore(&camif->slock, flags); +} + +static void camif_lock(struct vb2_queue *vq) +{ + struct camif_vp *vp = vb2_get_drv_priv(vq); + mutex_lock(&vp->camif->lock); +} + +static void camif_unlock(struct vb2_queue *vq) +{ + struct camif_vp *vp = vb2_get_drv_priv(vq); + mutex_unlock(&vp->camif->lock); +} + +static const struct vb2_ops s3c_camif_qops = { + .queue_setup = queue_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .wait_prepare = camif_unlock, + .wait_finish = camif_lock, + .start_streaming = start_streaming, + .stop_streaming = stop_streaming, +}; + +static int s3c_camif_open(struct file *file) +{ + struct camif_vp *vp = video_drvdata(file); + struct camif_dev *camif = vp->camif; + int ret; + + pr_debug("[vp%d] state: %#x, owner: %p, pid: %d\n", vp->id, + vp->state, vp->owner, task_pid_nr(current)); + + if (mutex_lock_interruptible(&camif->lock)) + return -ERESTARTSYS; + + ret = v4l2_fh_open(file); + if (ret < 0) + goto unlock; + + ret = pm_runtime_get_sync(camif->dev); + if (ret < 0) + goto err_pm; + + ret = sensor_set_power(camif, 1); + if (!ret) + goto unlock; + + pm_runtime_put(camif->dev); +err_pm: + v4l2_fh_release(file); +unlock: + mutex_unlock(&camif->lock); + return ret; +} + +static int s3c_camif_close(struct file *file) +{ + struct camif_vp *vp = video_drvdata(file); + struct camif_dev *camif = vp->camif; + int ret; + + pr_debug("[vp%d] state: %#x, owner: %p, pid: %d\n", vp->id, + vp->state, vp->owner, task_pid_nr(current)); + + mutex_lock(&camif->lock); + + if (vp->owner == file->private_data) { + camif_stop_capture(vp); + vb2_queue_release(&vp->vb_queue); + vp->owner = NULL; + } + + sensor_set_power(camif, 0); + + pm_runtime_put(camif->dev); + ret = v4l2_fh_release(file); + + mutex_unlock(&camif->lock); + return ret; +} + +static unsigned int s3c_camif_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct camif_vp *vp = video_drvdata(file); + struct camif_dev *camif = vp->camif; + int ret; + + mutex_lock(&camif->lock); + if (vp->owner && vp->owner != file->private_data) + ret = -EBUSY; + else + ret = vb2_poll(&vp->vb_queue, file, wait); + + mutex_unlock(&camif->lock); + return ret; +} + +static int s3c_camif_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct camif_vp *vp = video_drvdata(file); + int ret; + + if (vp->owner && vp->owner != file->private_data) + ret = -EBUSY; + else + ret = vb2_mmap(&vp->vb_queue, vma); + + return ret; +} + +static const struct v4l2_file_operations s3c_camif_fops = { + .owner = THIS_MODULE, + .open = s3c_camif_open, + .release = s3c_camif_close, + .poll = s3c_camif_poll, + .unlocked_ioctl = video_ioctl2, + .mmap = s3c_camif_mmap, +}; + +/* + * Video node IOCTLs + */ + +static int s3c_camif_vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct camif_vp *vp = video_drvdata(file); + + strlcpy(cap->driver, S3C_CAMIF_DRIVER_NAME, sizeof(cap->driver)); + strlcpy(cap->card, S3C_CAMIF_DRIVER_NAME, sizeof(cap->card)); + snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s.%d", + dev_name(vp->camif->dev), vp->id); + + cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; + + return 0; +} + +static int s3c_camif_vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *input) +{ + struct camif_vp *vp = video_drvdata(file); + struct v4l2_subdev *sensor = vp->camif->sensor.sd; + + if (input->index || sensor == NULL) + return -EINVAL; + + input->type = V4L2_INPUT_TYPE_CAMERA; + strlcpy(input->name, sensor->name, sizeof(input->name)); + return 0; +} + +static int s3c_camif_vidioc_s_input(struct file *file, void *priv, + unsigned int i) +{ + return i == 0 ? 0 : -EINVAL; +} + +static int s3c_camif_vidioc_g_input(struct file *file, void *priv, + unsigned int *i) +{ + *i = 0; + return 0; +} + +static int s3c_camif_vidioc_enum_fmt(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + struct camif_vp *vp = video_drvdata(file); + const struct camif_fmt *fmt; + + fmt = s3c_camif_find_format(vp, NULL, f->index); + if (!fmt) + return -EINVAL; + + strlcpy(f->description, fmt->name, sizeof(f->description)); + f->pixelformat = fmt->fourcc; + + pr_debug("fmt(%d): %s\n", f->index, f->description); + return 0; +} + +static int s3c_camif_vidioc_g_fmt(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct camif_vp *vp = video_drvdata(file); + struct v4l2_pix_format *pix = &f->fmt.pix; + struct camif_frame *frame = &vp->out_frame; + const struct camif_fmt *fmt = vp->out_fmt; + + pix->bytesperline = frame->f_width * fmt->ybpp; + pix->sizeimage = vp->payload; + + pix->pixelformat = fmt->fourcc; + pix->width = frame->f_width; + pix->height = frame->f_height; + pix->field = V4L2_FIELD_NONE; + pix->colorspace = V4L2_COLORSPACE_JPEG; + + return 0; +} + +static int __camif_video_try_format(struct camif_vp *vp, + struct v4l2_pix_format *pix, + const struct camif_fmt **ffmt) +{ + struct camif_dev *camif = vp->camif; + struct v4l2_rect *crop = &camif->camif_crop; + unsigned int wmin, hmin, sc_hrmax, sc_vrmax; + const struct vp_pix_limits *pix_lim; + const struct camif_fmt *fmt; + + fmt = s3c_camif_find_format(vp, &pix->pixelformat, 0); + + if (WARN_ON(fmt == NULL)) + return -EINVAL; + + if (ffmt) + *ffmt = fmt; + + pix_lim = &camif->variant->vp_pix_limits[vp->id]; + + pr_debug("fmt: %ux%u, crop: %ux%u, bytesperline: %u\n", + pix->width, pix->height, crop->width, crop->height, + pix->bytesperline); + /* + * Calculate minimum width and height according to the configured + * camera input interface crop rectangle and the resizer's capabilities. + */ + sc_hrmax = min(SCALER_MAX_RATIO, 1 << (ffs(crop->width) - 3)); + sc_vrmax = min(SCALER_MAX_RATIO, 1 << (ffs(crop->height) - 1)); + + wmin = max_t(u32, pix_lim->min_out_width, crop->width / sc_hrmax); + wmin = round_up(wmin, pix_lim->out_width_align); + hmin = max_t(u32, 8, crop->height / sc_vrmax); + hmin = round_up(hmin, 8); + + v4l_bound_align_image(&pix->width, wmin, pix_lim->max_sc_out_width, + ffs(pix_lim->out_width_align) - 1, + &pix->height, hmin, pix_lim->max_height, 0, 0); + + pix->bytesperline = pix->width * fmt->ybpp; + pix->sizeimage = (pix->width * pix->height * fmt->depth) / 8; + pix->pixelformat = fmt->fourcc; + pix->colorspace = V4L2_COLORSPACE_JPEG; + pix->field = V4L2_FIELD_NONE; + + pr_debug("%ux%u, wmin: %d, hmin: %d, sc_hrmax: %d, sc_vrmax: %d\n", + pix->width, pix->height, wmin, hmin, sc_hrmax, sc_vrmax); + + return 0; +} + +static int s3c_camif_vidioc_try_fmt(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct camif_vp *vp = video_drvdata(file); + return __camif_video_try_format(vp, &f->fmt.pix, NULL); +} + +static int s3c_camif_vidioc_s_fmt(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct v4l2_pix_format *pix = &f->fmt.pix; + struct camif_vp *vp = video_drvdata(file); + struct camif_frame *out_frame = &vp->out_frame; + const struct camif_fmt *fmt = NULL; + int ret; + + pr_debug("[vp%d]\n", vp->id); + + if (vb2_is_busy(&vp->vb_queue)) + return -EBUSY; + + ret = __camif_video_try_format(vp, &f->fmt.pix, &fmt); + if (ret < 0) + return ret; + + vp->out_fmt = fmt; + vp->payload = pix->sizeimage; + out_frame->f_width = pix->width; + out_frame->f_height = pix->height; + + /* Reset composition rectangle */ + out_frame->rect.width = pix->width; + out_frame->rect.height = pix->height; + out_frame->rect.left = 0; + out_frame->rect.top = 0; + + if (vp->owner == NULL) + vp->owner = priv; + + pr_debug("%ux%u. payload: %u. fmt: %s. %d %d. sizeimage: %d. bpl: %d\n", + out_frame->f_width, out_frame->f_height, vp->payload, fmt->name, + pix->width * pix->height * fmt->depth, fmt->depth, + pix->sizeimage, pix->bytesperline); + + return 0; +} + +/* Only check pixel formats at the sensor and the camif subdev pads */ +static int camif_pipeline_validate(struct camif_dev *camif) +{ + struct v4l2_subdev_format src_fmt; + struct media_pad *pad; + int ret; + + /* Retrieve format at the sensor subdev source pad */ + pad = media_entity_remote_source(&camif->pads[0]); + if (!pad || media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) + return -EPIPE; + + src_fmt.pad = pad->index; + src_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; + ret = v4l2_subdev_call(camif->sensor.sd, pad, get_fmt, NULL, &src_fmt); + if (ret < 0 && ret != -ENOIOCTLCMD) + return -EPIPE; + + if (src_fmt.format.width != camif->mbus_fmt.width || + src_fmt.format.height != camif->mbus_fmt.height || + src_fmt.format.code != camif->mbus_fmt.code) + return -EPIPE; + + return 0; +} + +static int s3c_camif_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct camif_vp *vp = video_drvdata(file); + struct camif_dev *camif = vp->camif; + struct media_entity *sensor = &camif->sensor.sd->entity; + int ret; + + pr_debug("[vp%d]\n", vp->id); + + if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (vp->owner && vp->owner != priv) + return -EBUSY; + + if (s3c_vp_active(vp)) + return 0; + + ret = media_entity_pipeline_start(sensor, camif->m_pipeline); + if (ret < 0) + return ret; + + ret = camif_pipeline_validate(camif); + if (ret < 0) { + media_entity_pipeline_stop(sensor); + return ret; + } + + return vb2_streamon(&vp->vb_queue, type); +} + +static int s3c_camif_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct camif_vp *vp = video_drvdata(file); + struct camif_dev *camif = vp->camif; + int ret; + + pr_debug("[vp%d]\n", vp->id); + + if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (vp->owner && vp->owner != priv) + return -EBUSY; + + ret = vb2_streamoff(&vp->vb_queue, type); + if (ret == 0) + media_entity_pipeline_stop(&camif->sensor.sd->entity); + return ret; +} + +static int s3c_camif_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *rb) +{ + struct camif_vp *vp = video_drvdata(file); + int ret; + + pr_debug("[vp%d] rb count: %d, owner: %p, priv: %p\n", + vp->id, rb->count, vp->owner, priv); + + if (vp->owner && vp->owner != priv) + return -EBUSY; + + if (rb->count) + rb->count = max_t(u32, CAMIF_REQ_BUFS_MIN, rb->count); + else + vp->owner = NULL; + + ret = vb2_reqbufs(&vp->vb_queue, rb); + if (!ret) { + vp->reqbufs_count = rb->count; + if (vp->owner == NULL && rb->count > 0) + vp->owner = priv; + } + + return ret; +} + +static int s3c_camif_querybuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct camif_vp *vp = video_drvdata(file); + return vb2_querybuf(&vp->vb_queue, buf); +} + +static int s3c_camif_qbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct camif_vp *vp = video_drvdata(file); + + pr_debug("[vp%d]\n", vp->id); + + if (vp->owner && vp->owner != priv) + return -EBUSY; + + return vb2_qbuf(&vp->vb_queue, buf); +} + +static int s3c_camif_dqbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct camif_vp *vp = video_drvdata(file); + + pr_debug("[vp%d] sequence: %d\n", vp->id, vp->frame_sequence); + + if (vp->owner && vp->owner != priv) + return -EBUSY; + + return vb2_dqbuf(&vp->vb_queue, buf, file->f_flags & O_NONBLOCK); +} + +static int s3c_camif_create_bufs(struct file *file, void *priv, + struct v4l2_create_buffers *create) +{ + struct camif_vp *vp = video_drvdata(file); + int ret; + + if (vp->owner && vp->owner != priv) + return -EBUSY; + + create->count = max_t(u32, 1, create->count); + ret = vb2_create_bufs(&vp->vb_queue, create); + + if (!ret && vp->owner == NULL) + vp->owner = priv; + + return ret; +} + +static int s3c_camif_prepare_buf(struct file *file, void *priv, + struct v4l2_buffer *b) +{ + struct camif_vp *vp = video_drvdata(file); + return vb2_prepare_buf(&vp->vb_queue, b); +} + +static int s3c_camif_g_selection(struct file *file, void *priv, + struct v4l2_selection *sel) +{ + struct camif_vp *vp = video_drvdata(file); + + if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + switch (sel->target) { + case V4L2_SEL_TGT_COMPOSE_BOUNDS: + case V4L2_SEL_TGT_COMPOSE_DEFAULT: + sel->r.left = 0; + sel->r.top = 0; + sel->r.width = vp->out_frame.f_width; + sel->r.height = vp->out_frame.f_height; + return 0; + + case V4L2_SEL_TGT_COMPOSE: + sel->r = vp->out_frame.rect; + return 0; + } + + return -EINVAL; +} + +static void __camif_try_compose(struct camif_dev *camif, struct camif_vp *vp, + struct v4l2_rect *r) +{ + /* s3c244x doesn't support composition */ + if (camif->variant->ip_revision == S3C244X_CAMIF_IP_REV) { + *r = vp->out_frame.rect; + return; + } + + /* TODO: s3c64xx */ +} + +static int s3c_camif_s_selection(struct file *file, void *priv, + struct v4l2_selection *sel) +{ + struct camif_vp *vp = video_drvdata(file); + struct camif_dev *camif = vp->camif; + struct v4l2_rect rect = sel->r; + unsigned long flags; + + if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + sel->target != V4L2_SEL_TGT_COMPOSE) + return -EINVAL; + + __camif_try_compose(camif, vp, &rect); + + sel->r = rect; + spin_lock_irqsave(&camif->slock, flags); + vp->out_frame.rect = rect; + vp->state |= ST_VP_CONFIG; + spin_unlock_irqrestore(&camif->slock, flags); + + pr_debug("type: %#x, target: %#x, flags: %#x, (%d,%d)/%dx%d\n", + sel->type, sel->target, sel->flags, + sel->r.left, sel->r.top, sel->r.width, sel->r.height); + + return 0; +} + +static const struct v4l2_ioctl_ops s3c_camif_ioctl_ops = { + .vidioc_querycap = s3c_camif_vidioc_querycap, + .vidioc_enum_input = s3c_camif_vidioc_enum_input, + .vidioc_g_input = s3c_camif_vidioc_g_input, + .vidioc_s_input = s3c_camif_vidioc_s_input, + .vidioc_enum_fmt_vid_cap = s3c_camif_vidioc_enum_fmt, + .vidioc_try_fmt_vid_cap = s3c_camif_vidioc_try_fmt, + .vidioc_s_fmt_vid_cap = s3c_camif_vidioc_s_fmt, + .vidioc_g_fmt_vid_cap = s3c_camif_vidioc_g_fmt, + .vidioc_g_selection = s3c_camif_g_selection, + .vidioc_s_selection = s3c_camif_s_selection, + .vidioc_reqbufs = s3c_camif_reqbufs, + .vidioc_querybuf = s3c_camif_querybuf, + .vidioc_prepare_buf = s3c_camif_prepare_buf, + .vidioc_create_bufs = s3c_camif_create_bufs, + .vidioc_qbuf = s3c_camif_qbuf, + .vidioc_dqbuf = s3c_camif_dqbuf, + .vidioc_streamon = s3c_camif_streamon, + .vidioc_streamoff = s3c_camif_streamoff, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, + .vidioc_log_status = v4l2_ctrl_log_status, +}; + +/* + * Video node controls + */ +static int s3c_camif_video_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct camif_vp *vp = ctrl->priv; + struct camif_dev *camif = vp->camif; + unsigned long flags; + + pr_debug("[vp%d] ctrl: %s, value: %d\n", vp->id, + ctrl->name, ctrl->val); + + spin_lock_irqsave(&camif->slock, flags); + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + vp->hflip = ctrl->val; + break; + + case V4L2_CID_VFLIP: + vp->vflip = ctrl->val; + break; + } + + vp->state |= ST_VP_CONFIG; + spin_unlock_irqrestore(&camif->slock, flags); + return 0; +} + +/* Codec and preview video node control ops */ +static const struct v4l2_ctrl_ops s3c_camif_video_ctrl_ops = { + .s_ctrl = s3c_camif_video_s_ctrl, +}; + +int s3c_camif_register_video_node(struct camif_dev *camif, int idx) +{ + struct camif_vp *vp = &camif->vp[idx]; + struct vb2_queue *q = &vp->vb_queue; + struct video_device *vfd = &vp->vdev; + struct v4l2_ctrl *ctrl; + int ret; + + memset(vfd, 0, sizeof(*vfd)); + snprintf(vfd->name, sizeof(vfd->name), "camif-%s", + vp->id == 0 ? "codec" : "preview"); + + vfd->fops = &s3c_camif_fops; + vfd->ioctl_ops = &s3c_camif_ioctl_ops; + vfd->v4l2_dev = &camif->v4l2_dev; + vfd->minor = -1; + vfd->release = video_device_release_empty; + vfd->lock = &camif->lock; + vp->reqbufs_count = 0; + + INIT_LIST_HEAD(&vp->pending_buf_q); + INIT_LIST_HEAD(&vp->active_buf_q); + + memset(q, 0, sizeof(*q)); + q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + q->io_modes = VB2_MMAP | VB2_USERPTR; + q->ops = &s3c_camif_qops; + q->mem_ops = &vb2_dma_contig_memops; + q->buf_struct_size = sizeof(struct camif_buffer); + q->drv_priv = vp; + + ret = vb2_queue_init(q); + if (ret) + goto err_vd_rel; + + vp->pad.flags = MEDIA_PAD_FL_SINK; + ret = media_entity_init(&vfd->entity, 1, &vp->pad, 0); + if (ret) + goto err_vd_rel; + + video_set_drvdata(vfd, vp); + set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); + + v4l2_ctrl_handler_init(&vp->ctrl_handler, 1); + ctrl = v4l2_ctrl_new_std(&vp->ctrl_handler, &s3c_camif_video_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + if (ctrl) + ctrl->priv = vp; + ctrl = v4l2_ctrl_new_std(&vp->ctrl_handler, &s3c_camif_video_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + if (ctrl) + ctrl->priv = vp; + + ret = vp->ctrl_handler.error; + if (ret < 0) + goto err_me_cleanup; + + vfd->ctrl_handler = &vp->ctrl_handler; + + ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1); + if (ret) + goto err_ctrlh_free; + + v4l2_info(&camif->v4l2_dev, "registered %s as /dev/%s\n", + vfd->name, video_device_node_name(vfd)); + return 0; + +err_ctrlh_free: + v4l2_ctrl_handler_free(&vp->ctrl_handler); +err_me_cleanup: + media_entity_cleanup(&vfd->entity); +err_vd_rel: + video_device_release(vfd); + return ret; +} + +void s3c_camif_unregister_video_node(struct camif_dev *camif, int idx) +{ + struct video_device *vfd = &camif->vp[idx].vdev; + + if (video_is_registered(vfd)) { + video_unregister_device(vfd); + media_entity_cleanup(&vfd->entity); + v4l2_ctrl_handler_free(vfd->ctrl_handler); + } +} + +/* Media bus pixel formats supported at the camif input */ +static const enum v4l2_mbus_pixelcode camif_mbus_formats[] = { + V4L2_MBUS_FMT_YUYV8_2X8, + V4L2_MBUS_FMT_YVYU8_2X8, + V4L2_MBUS_FMT_UYVY8_2X8, + V4L2_MBUS_FMT_VYUY8_2X8, +}; + +/* + * Camera input interface subdev operations + */ + +static int s3c_camif_subdev_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->index >= ARRAY_SIZE(camif_mbus_formats)) + return -EINVAL; + + code->code = camif_mbus_formats[code->index]; + return 0; +} + +static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct camif_dev *camif = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *mf = &fmt->format; + + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { + mf = v4l2_subdev_get_try_format(fh, fmt->pad); + fmt->format = *mf; + return 0; + } + + mutex_lock(&camif->lock); + + switch (fmt->pad) { + case CAMIF_SD_PAD_SINK: + /* full camera input pixel size */ + *mf = camif->mbus_fmt; + break; + + case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P: + /* crop rectangle at camera interface input */ + mf->width = camif->camif_crop.width; + mf->height = camif->camif_crop.height; + mf->code = camif->mbus_fmt.code; + break; + } + + mutex_unlock(&camif->lock); + mf->colorspace = V4L2_COLORSPACE_JPEG; + return 0; +} + +static void __camif_subdev_try_format(struct camif_dev *camif, + struct v4l2_mbus_framefmt *mf, int pad) +{ + const struct s3c_camif_variant *variant = camif->variant; + const struct vp_pix_limits *pix_lim; + int i = ARRAY_SIZE(camif_mbus_formats); + + /* FIXME: constraints against codec or preview path ? */ + pix_lim = &variant->vp_pix_limits[VP_CODEC]; + + while (i-- >= 0) + if (camif_mbus_formats[i] == mf->code) + break; + + mf->code = camif_mbus_formats[i]; + + if (pad == CAMIF_SD_PAD_SINK) { + v4l_bound_align_image(&mf->width, 8, CAMIF_MAX_PIX_WIDTH, + ffs(pix_lim->out_width_align) - 1, + &mf->height, 8, CAMIF_MAX_PIX_HEIGHT, 0, + 0); + } else { + struct v4l2_rect *crop = &camif->camif_crop; + v4l_bound_align_image(&mf->width, 8, crop->width, + ffs(pix_lim->out_width_align) - 1, + &mf->height, 8, crop->height, + 0, 0); + } + + v4l2_dbg(1, debug, &camif->subdev, "%ux%u\n", mf->width, mf->height); +} + +static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct camif_dev *camif = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *mf = &fmt->format; + struct v4l2_rect *crop = &camif->camif_crop; + int i; + + v4l2_dbg(1, debug, sd, "pad%d: code: 0x%x, %ux%u\n", + fmt->pad, mf->code, mf->width, mf->height); + + mf->colorspace = V4L2_COLORSPACE_JPEG; + mutex_lock(&camif->lock); + + /* + * No pixel format change at the camera input is allowed + * while streaming. + */ + if (vb2_is_busy(&camif->vp[VP_CODEC].vb_queue) || + vb2_is_busy(&camif->vp[VP_PREVIEW].vb_queue)) { + mutex_unlock(&camif->lock); + return -EBUSY; + } + + __camif_subdev_try_format(camif, mf, fmt->pad); + + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { + mf = v4l2_subdev_get_try_format(fh, fmt->pad); + *mf = fmt->format; + mutex_unlock(&camif->lock); + return 0; + } + + switch (fmt->pad) { + case CAMIF_SD_PAD_SINK: + camif->mbus_fmt = *mf; + /* Reset sink crop rectangle. */ + crop->width = mf->width; + crop->height = mf->height; + crop->left = 0; + crop->top = 0; + /* + * Reset source format (the camif's crop rectangle) + * and the video output resolution. + */ + for (i = 0; i < CAMIF_VP_NUM; i++) { + struct camif_frame *frame = &camif->vp[i].out_frame; + frame->rect = *crop; + frame->f_width = mf->width; + frame->f_height = mf->height; + } + break; + + case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P: + /* Pixel format can be only changed on the sink pad. */ + mf->code = camif->mbus_fmt.code; + mf->width = crop->width; + mf->height = crop->height; + break; + } + + mutex_unlock(&camif->lock); + return 0; +} + +static int s3c_camif_subdev_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel) +{ + struct camif_dev *camif = v4l2_get_subdevdata(sd); + struct v4l2_rect *crop = &camif->camif_crop; + struct v4l2_mbus_framefmt *mf = &camif->mbus_fmt; + + if ((sel->target != V4L2_SEL_TGT_CROP && + sel->target != V4L2_SEL_TGT_CROP_BOUNDS) || + sel->pad != CAMIF_SD_PAD_SINK) + return -EINVAL; + + if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { + sel->r = *v4l2_subdev_get_try_crop(fh, sel->pad); + return 0; + } + + mutex_lock(&camif->lock); + + if (sel->target == V4L2_SEL_TGT_CROP) { + sel->r = *crop; + } else { /* crop bounds */ + sel->r.width = mf->width; + sel->r.height = mf->height; + sel->r.left = 0; + sel->r.top = 0; + } + + mutex_unlock(&camif->lock); + + v4l2_dbg(1, debug, sd, "%s: crop: (%d,%d) %dx%d, size: %ux%u\n", + __func__, crop->left, crop->top, crop->width, + crop->height, mf->width, mf->height); + + return 0; +} + +static void __camif_try_crop(struct camif_dev *camif, struct v4l2_rect *r) +{ + struct v4l2_mbus_framefmt *mf = &camif->mbus_fmt; + const struct camif_pix_limits *pix_lim = &camif->variant->pix_limits; + unsigned int left = 2 * r->left; + unsigned int top = 2 * r->top; + + /* + * Following constraints must be met: + * - r->width + 2 * r->left = mf->width; + * - r->height + 2 * r->top = mf->height; + * - crop rectangle size and position must be aligned + * to 8 or 2 pixels, depending on SoC version. + */ + v4l_bound_align_image(&r->width, 0, mf->width, + ffs(pix_lim->win_hor_offset_align) - 1, + &r->height, 0, mf->height, 1, 0); + + v4l_bound_align_image(&left, 0, mf->width - r->width, + ffs(pix_lim->win_hor_offset_align), + &top, 0, mf->height - r->height, 2, 0); + + r->left = left / 2; + r->top = top / 2; + r->width = mf->width - left; + r->height = mf->height - top; + /* + * Make sure we either downscale or upscale both the pixel + * width and height. Just return current crop rectangle if + * this scaler constraint is not met. + */ + if (camif->variant->ip_revision == S3C244X_CAMIF_IP_REV && + camif_is_streaming(camif)) { + unsigned int i; + + for (i = 0; i < CAMIF_VP_NUM; i++) { + struct v4l2_rect *or = &camif->vp[i].out_frame.rect; + if ((or->width > r->width) == (or->height > r->height)) + continue; + *r = camif->camif_crop; + pr_debug("Width/height scaling direction limitation\n"); + break; + } + } + + v4l2_dbg(1, debug, &camif->v4l2_dev, "crop: (%d,%d)/%dx%d, fmt: %ux%u\n", + r->left, r->top, r->width, r->height, mf->width, mf->height); +} + +static int s3c_camif_subdev_set_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel) +{ + struct camif_dev *camif = v4l2_get_subdevdata(sd); + struct v4l2_rect *crop = &camif->camif_crop; + struct camif_scaler scaler; + + if (sel->target != V4L2_SEL_TGT_CROP || sel->pad != CAMIF_SD_PAD_SINK) + return -EINVAL; + + mutex_lock(&camif->lock); + __camif_try_crop(camif, &sel->r); + + if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { + *v4l2_subdev_get_try_crop(fh, sel->pad) = sel->r; + } else { + unsigned long flags; + unsigned int i; + + spin_lock_irqsave(&camif->slock, flags); + *crop = sel->r; + + for (i = 0; i < CAMIF_VP_NUM; i++) { + struct camif_vp *vp = &camif->vp[i]; + scaler = vp->scaler; + if (s3c_camif_get_scaler_config(vp, &scaler)) + continue; + vp->scaler = scaler; + vp->state |= ST_VP_CONFIG; + } + + spin_unlock_irqrestore(&camif->slock, flags); + } + mutex_unlock(&camif->lock); + + v4l2_dbg(1, debug, sd, "%s: (%d,%d) %dx%d, f_w: %u, f_h: %u\n", + __func__, crop->left, crop->top, crop->width, crop->height, + camif->mbus_fmt.width, camif->mbus_fmt.height); + + return 0; +} + +static const struct v4l2_subdev_pad_ops s3c_camif_subdev_pad_ops = { + .enum_mbus_code = s3c_camif_subdev_enum_mbus_code, + .get_selection = s3c_camif_subdev_get_selection, + .set_selection = s3c_camif_subdev_set_selection, + .get_fmt = s3c_camif_subdev_get_fmt, + .set_fmt = s3c_camif_subdev_set_fmt, +}; + +static struct v4l2_subdev_ops s3c_camif_subdev_ops = { + .pad = &s3c_camif_subdev_pad_ops, +}; + +static int s3c_camif_subdev_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct camif_dev *camif = container_of(ctrl->handler, struct camif_dev, + ctrl_handler); + unsigned long flags; + + spin_lock_irqsave(&camif->slock, flags); + + switch (ctrl->id) { + case V4L2_CID_COLORFX: + camif->colorfx = camif->ctrl_colorfx->val; + /* Set Cb, Cr */ + switch (ctrl->val) { + case V4L2_COLORFX_SEPIA: + camif->colorfx_cb = 115; + camif->colorfx_cr = 145; + break; + case V4L2_COLORFX_SET_CBCR: + camif->colorfx_cb = camif->ctrl_colorfx_cbcr->val >> 8; + camif->colorfx_cr = camif->ctrl_colorfx_cbcr->val & 0xff; + break; + default: + /* for V4L2_COLORFX_BW and others */ + camif->colorfx_cb = 128; + camif->colorfx_cr = 128; + } + break; + case V4L2_CID_TEST_PATTERN: + camif->test_pattern = camif->ctrl_test_pattern->val; + break; + default: + WARN_ON(1); + } + + camif->vp[VP_CODEC].state |= ST_VP_CONFIG; + camif->vp[VP_PREVIEW].state |= ST_VP_CONFIG; + spin_unlock_irqrestore(&camif->slock, flags); + + return 0; +} + +static const struct v4l2_ctrl_ops s3c_camif_subdev_ctrl_ops = { + .s_ctrl = s3c_camif_subdev_s_ctrl, +}; + +static const char * const s3c_camif_test_pattern_menu[] = { + "Disabled", + "Color bars", + "Horizontal increment", + "Vertical increment", +}; + +int s3c_camif_create_subdev(struct camif_dev *camif) +{ + struct v4l2_ctrl_handler *handler = &camif->ctrl_handler; + struct v4l2_subdev *sd = &camif->subdev; + int ret; + + v4l2_subdev_init(sd, &s3c_camif_subdev_ops); + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + strlcpy(sd->name, "S3C-CAMIF", sizeof(sd->name)); + + camif->pads[CAMIF_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + camif->pads[CAMIF_SD_PAD_SOURCE_C].flags = MEDIA_PAD_FL_SOURCE; + camif->pads[CAMIF_SD_PAD_SOURCE_P].flags = MEDIA_PAD_FL_SOURCE; + + ret = media_entity_init(&sd->entity, CAMIF_SD_PADS_NUM, + camif->pads, 0); + if (ret) + return ret; + + v4l2_ctrl_handler_init(handler, 3); + camif->ctrl_test_pattern = v4l2_ctrl_new_std_menu_items(handler, + &s3c_camif_subdev_ctrl_ops, V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(s3c_camif_test_pattern_menu) - 1, 0, 0, + s3c_camif_test_pattern_menu); + + camif->ctrl_colorfx = v4l2_ctrl_new_std_menu(handler, + &s3c_camif_subdev_ctrl_ops, + V4L2_CID_COLORFX, V4L2_COLORFX_SET_CBCR, + ~0x981f, V4L2_COLORFX_NONE); + + camif->ctrl_colorfx_cbcr = v4l2_ctrl_new_std(handler, + &s3c_camif_subdev_ctrl_ops, + V4L2_CID_COLORFX_CBCR, 0, 0xffff, 1, 0); + if (handler->error) { + v4l2_ctrl_handler_free(handler); + media_entity_cleanup(&sd->entity); + return handler->error; + } + + v4l2_ctrl_auto_cluster(2, &camif->ctrl_colorfx, + V4L2_COLORFX_SET_CBCR, false); + if (!camif->variant->has_img_effect) { + camif->ctrl_colorfx->flags |= V4L2_CTRL_FLAG_DISABLED; + camif->ctrl_colorfx_cbcr->flags |= V4L2_CTRL_FLAG_DISABLED; + } + sd->ctrl_handler = handler; + v4l2_set_subdevdata(sd, camif); + + return 0; +} + +void s3c_camif_unregister_subdev(struct camif_dev *camif) +{ + struct v4l2_subdev *sd = &camif->subdev; + + /* Return if not registered */ + if (v4l2_get_subdevdata(sd) == NULL) + return; + + v4l2_device_unregister_subdev(sd); + media_entity_cleanup(&sd->entity); + v4l2_ctrl_handler_free(&camif->ctrl_handler); + v4l2_set_subdevdata(sd, NULL); +} + +int s3c_camif_set_defaults(struct camif_dev *camif) +{ + unsigned int ip_rev = camif->variant->ip_revision; + int i; + + for (i = 0; i < CAMIF_VP_NUM; i++) { + struct camif_vp *vp = &camif->vp[i]; + struct camif_frame *f = &vp->out_frame; + + vp->camif = camif; + vp->id = i; + vp->offset = camif->variant->vp_offset; + + if (ip_rev == S3C244X_CAMIF_IP_REV) + vp->fmt_flags = i ? FMT_FL_S3C24XX_PREVIEW : + FMT_FL_S3C24XX_CODEC; + else + vp->fmt_flags = FMT_FL_S3C64XX; + + vp->out_fmt = s3c_camif_find_format(vp, NULL, 0); + BUG_ON(vp->out_fmt == NULL); + + memset(f, 0, sizeof(*f)); + f->f_width = CAMIF_DEF_WIDTH; + f->f_height = CAMIF_DEF_HEIGHT; + f->rect.width = CAMIF_DEF_WIDTH; + f->rect.height = CAMIF_DEF_HEIGHT; + + /* Scaler is always enabled */ + vp->scaler.enable = 1; + + vp->payload = (f->f_width * f->f_height * + vp->out_fmt->depth) / 8; + } + + memset(&camif->mbus_fmt, 0, sizeof(camif->mbus_fmt)); + camif->mbus_fmt.width = CAMIF_DEF_WIDTH; + camif->mbus_fmt.height = CAMIF_DEF_HEIGHT; + camif->mbus_fmt.code = camif_mbus_formats[0]; + + memset(&camif->camif_crop, 0, sizeof(camif->camif_crop)); + camif->camif_crop.width = CAMIF_DEF_WIDTH; + camif->camif_crop.height = CAMIF_DEF_HEIGHT; + + return 0; +} diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c new file mode 100644 index 0000000..0dd6537 --- /dev/null +++ b/drivers/media/platform/s3c-camif/camif-core.c @@ -0,0 +1,662 @@ +/* + * s3c24xx/s3c64xx SoC series Camera Interface (CAMIF) driver + * + * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> + * Copyright (C) 2012 Tomasz Figa <tomasz.figa@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation, either version 2 of the License, + * or (at your option) any later version. + */ +#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__ + +#include <linux/bug.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include <media/media-device.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-ioctl.h> +#include <media/videobuf2-core.h> +#include <media/videobuf2-dma-contig.h> + +#include "camif-core.h" + +static char *camif_clocks[CLK_MAX_NUM] = { + /* HCLK CAMIF clock */ + [CLK_GATE] = "camif", + /* CAMIF / external camera sensor master clock */ + [CLK_CAM] = "camera", +}; + +static const struct camif_fmt camif_formats[] = { + { + .name = "YUV 4:2:2 planar, Y/Cb/Cr", + .fourcc = V4L2_PIX_FMT_YUV422P, + .depth = 16, + .ybpp = 1, + .color = IMG_FMT_YCBCR422P, + .colplanes = 3, + .flags = FMT_FL_S3C24XX_CODEC | + FMT_FL_S3C64XX, + }, { + .name = "YUV 4:2:0 planar, Y/Cb/Cr", + .fourcc = V4L2_PIX_FMT_YUV420, + .depth = 12, + .ybpp = 1, + .color = IMG_FMT_YCBCR420, + .colplanes = 3, + .flags = FMT_FL_S3C24XX_CODEC | + FMT_FL_S3C64XX, + }, { + .name = "YVU 4:2:0 planar, Y/Cr/Cb", + .fourcc = V4L2_PIX_FMT_YVU420, + .depth = 12, + .ybpp = 1, + .color = IMG_FMT_YCRCB420, + .colplanes = 3, + .flags = FMT_FL_S3C24XX_CODEC | + FMT_FL_S3C64XX, + }, { + .name = "RGB565, 16 bpp", + .fourcc = V4L2_PIX_FMT_RGB565X, + .depth = 16, + .ybpp = 2, + .color = IMG_FMT_RGB565, + .colplanes = 1, + .flags = FMT_FL_S3C24XX_PREVIEW | + FMT_FL_S3C64XX, + }, { + .name = "XRGB8888, 32 bpp", + .fourcc = V4L2_PIX_FMT_RGB32, + .depth = 32, + .ybpp = 4, + .color = IMG_FMT_XRGB8888, + .colplanes = 1, + .flags = FMT_FL_S3C24XX_PREVIEW | + FMT_FL_S3C64XX, + }, { + .name = "BGR666", + .fourcc = V4L2_PIX_FMT_BGR666, + .depth = 32, + .ybpp = 4, + .color = IMG_FMT_RGB666, + .colplanes = 1, + .flags = FMT_FL_S3C64XX, + } +}; + +/** + * s3c_camif_find_format() - lookup camif color format by fourcc or an index + * @pixelformat: fourcc to match, ignored if null + * @index: index to the camif_formats array, ignored if negative + */ +const struct camif_fmt *s3c_camif_find_format(struct camif_vp *vp, + const u32 *pixelformat, + int index) +{ + const struct camif_fmt *fmt, *def_fmt = NULL; + unsigned int i; + int id = 0; + + if (index >= (int)ARRAY_SIZE(camif_formats)) + return NULL; + + for (i = 0; i < ARRAY_SIZE(camif_formats); ++i) { + fmt = &camif_formats[i]; + if (vp && !(vp->fmt_flags & fmt->flags)) + continue; + if (pixelformat && fmt->fourcc == *pixelformat) + return fmt; + if (index == id) + def_fmt = fmt; + id++; + } + return def_fmt; +} + +static int camif_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift) +{ + unsigned int sh = 6; + + if (src >= 64 * tar) + return -EINVAL; + + while (sh--) { + unsigned int tmp = 1 << sh; + if (src >= tar * tmp) { + *shift = sh, *ratio = tmp; + return 0; + } + } + *shift = 0, *ratio = 1; + return 0; +} + +int s3c_camif_get_scaler_config(struct camif_vp *vp, + struct camif_scaler *scaler) +{ + struct v4l2_rect *camif_crop = &vp->camif->camif_crop; + int source_x = camif_crop->width; + int source_y = camif_crop->height; + int target_x = vp->out_frame.rect.width; + int target_y = vp->out_frame.rect.height; + int ret; + + if (vp->rotation == 90 || vp->rotation == 270) + swap(target_x, target_y); + + ret = camif_get_scaler_factor(source_x, target_x, &scaler->pre_h_ratio, + &scaler->h_shift); + if (ret < 0) + return ret; + + ret = camif_get_scaler_factor(source_y, target_y, &scaler->pre_v_ratio, + &scaler->v_shift); + if (ret < 0) + return ret; + + scaler->pre_dst_width = source_x / scaler->pre_h_ratio; + scaler->pre_dst_height = source_y / scaler->pre_v_ratio; + + scaler->main_h_ratio = (source_x << 8) / (target_x << scaler->h_shift); + scaler->main_v_ratio = (source_y << 8) / (target_y << scaler->v_shift); + + scaler->scaleup_h = (target_x >= source_x); + scaler->scaleup_v = (target_y >= source_y); + + scaler->copy = 0; + + pr_debug("H: ratio: %u, shift: %u. V: ratio: %u, shift: %u.\n", + scaler->pre_h_ratio, scaler->h_shift, + scaler->pre_v_ratio, scaler->v_shift); + + pr_debug("Source: %dx%d, Target: %dx%d, scaleup_h/v: %d/%d\n", + source_x, source_y, target_x, target_y, + scaler->scaleup_h, scaler->scaleup_v); + + return 0; +} + +static int camif_register_sensor(struct camif_dev *camif) +{ + struct s3c_camif_sensor_info *sensor = &camif->pdata.sensor; + struct v4l2_device *v4l2_dev = &camif->v4l2_dev; + struct i2c_adapter *adapter; + struct v4l2_subdev_format format; + struct v4l2_subdev *sd; + int ret; + + camif->sensor.sd = NULL; + + if (sensor->i2c_board_info.addr == 0) + return -EINVAL; + + adapter = i2c_get_adapter(sensor->i2c_bus_num); + if (adapter == NULL) { + v4l2_warn(v4l2_dev, "failed to get I2C adapter %d\n", + sensor->i2c_bus_num); + return -EPROBE_DEFER; + } + + sd = v4l2_i2c_new_subdev_board(v4l2_dev, adapter, + &sensor->i2c_board_info, NULL); + if (sd == NULL) { + i2c_put_adapter(adapter); + v4l2_warn(v4l2_dev, "failed to acquire subdev %s\n", + sensor->i2c_board_info.type); + return -EPROBE_DEFER; + } + camif->sensor.sd = sd; + + v4l2_info(v4l2_dev, "registered sensor subdevice %s\n", sd->name); + + /* Get initial pixel format and set it at the camif sink pad */ + format.pad = 0; + format.which = V4L2_SUBDEV_FORMAT_ACTIVE; + ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &format); + + if (ret < 0) + return 0; + + format.pad = CAMIF_SD_PAD_SINK; + v4l2_subdev_call(&camif->subdev, pad, set_fmt, NULL, &format); + + v4l2_info(sd, "Initial format from sensor: %dx%d, %#x\n", + format.format.width, format.format.height, + format.format.code); + return 0; +} + +static void camif_unregister_sensor(struct camif_dev *camif) +{ + struct v4l2_subdev *sd = camif->sensor.sd; + struct i2c_client *client = sd ? v4l2_get_subdevdata(sd) : NULL; + struct i2c_adapter *adapter; + + if (client == NULL) + return; + + adapter = client->adapter; + v4l2_device_unregister_subdev(sd); + camif->sensor.sd = NULL; + i2c_unregister_device(client); + if (adapter) + i2c_put_adapter(adapter); +} + +static int camif_create_media_links(struct camif_dev *camif) +{ + int i, ret; + + ret = media_entity_create_link(&camif->sensor.sd->entity, 0, + &camif->subdev.entity, CAMIF_SD_PAD_SINK, + MEDIA_LNK_FL_IMMUTABLE | + MEDIA_LNK_FL_ENABLED); + if (ret) + return ret; + + for (i = 1; i < CAMIF_SD_PADS_NUM && !ret; i++) { + ret = media_entity_create_link(&camif->subdev.entity, i, + &camif->vp[i - 1].vdev.entity, 0, + MEDIA_LNK_FL_IMMUTABLE | + MEDIA_LNK_FL_ENABLED); + } + + return ret; +} + +static int camif_register_video_nodes(struct camif_dev *camif) +{ + int ret = s3c_camif_register_video_node(camif, VP_CODEC); + if (ret < 0) + return ret; + + return s3c_camif_register_video_node(camif, VP_PREVIEW); +} + +static void camif_unregister_video_nodes(struct camif_dev *camif) +{ + s3c_camif_unregister_video_node(camif, VP_CODEC); + s3c_camif_unregister_video_node(camif, VP_PREVIEW); +} + +static void camif_unregister_media_entities(struct camif_dev *camif) +{ + camif_unregister_video_nodes(camif); + camif_unregister_sensor(camif); + s3c_camif_unregister_subdev(camif); +} + +/* + * Media device + */ +static int camif_media_dev_register(struct camif_dev *camif) +{ + struct media_device *md = &camif->media_dev; + struct v4l2_device *v4l2_dev = &camif->v4l2_dev; + unsigned int ip_rev = camif->variant->ip_revision; + int ret; + + memset(md, 0, sizeof(*md)); + snprintf(md->model, sizeof(md->model), "SAMSUNG S3C%s CAMIF", + ip_rev == S3C6410_CAMIF_IP_REV ? "6410" : "244X"); + strlcpy(md->bus_info, "platform", sizeof(md->bus_info)); + md->hw_revision = ip_rev; + md->driver_version = KERNEL_VERSION(1, 0, 0); + + md->dev = camif->dev; + + strlcpy(v4l2_dev->name, "s3c-camif", sizeof(v4l2_dev->name)); + v4l2_dev->mdev = md; + + ret = v4l2_device_register(camif->dev, v4l2_dev); + if (ret < 0) + return ret; + + ret = media_device_register(md); + if (ret < 0) + v4l2_device_unregister(v4l2_dev); + + return ret; +} + +static void camif_clk_put(struct camif_dev *camif) +{ + int i; + + for (i = 0; i < CLK_MAX_NUM; i++) { + if (IS_ERR_OR_NULL(camif->clock[i])) + continue; + clk_unprepare(camif->clock[i]); + clk_put(camif->clock[i]); + } +} + +static int camif_clk_get(struct camif_dev *camif) +{ + int ret, i; + + for (i = 0; i < CLK_MAX_NUM; i++) { + camif->clock[i] = clk_get(camif->dev, camif_clocks[i]); + if (IS_ERR(camif->clock[i])) { + ret = PTR_ERR(camif->clock[i]); + goto err; + } + ret = clk_prepare(camif->clock[i]); + if (ret < 0) { + clk_put(camif->clock[i]); + camif->clock[i] = NULL; + goto err; + } + } + return 0; +err: + camif_clk_put(camif); + dev_err(camif->dev, "failed to get clock: %s\n", + camif_clocks[i]); + return ret; +} + +/* + * The CAMIF device has two relatively independent data processing paths + * that can source data from memory or the common camera input frontend. + * Register interrupts for each data processing path (camif_vp). + */ +static int camif_request_irqs(struct platform_device *pdev, + struct camif_dev *camif) +{ + int irq, ret, i; + + for (i = 0; i < CAMIF_VP_NUM; i++) { + struct camif_vp *vp = &camif->vp[i]; + + init_waitqueue_head(&vp->irq_queue); + + irq = platform_get_irq(pdev, i); + if (irq <= 0) { + dev_err(&pdev->dev, "failed to get IRQ %d\n", i); + return -ENXIO; + } + + ret = devm_request_irq(&pdev->dev, irq, s3c_camif_irq_handler, + 0, dev_name(&pdev->dev), vp); + if (ret < 0) { + dev_err(&pdev->dev, "failed to install IRQ: %d\n", ret); + break; + } + } + + return ret; +} + +static int s3c_camif_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct s3c_camif_plat_data *pdata = dev->platform_data; + struct s3c_camif_drvdata *drvdata; + struct camif_dev *camif; + struct resource *mres; + int ret = 0; + + camif = devm_kzalloc(dev, sizeof(*camif), GFP_KERNEL); + if (!camif) + return -ENOMEM; + + spin_lock_init(&camif->slock); + mutex_init(&camif->lock); + + camif->dev = dev; + + if (!pdata || !pdata->gpio_get || !pdata->gpio_put) { + dev_err(dev, "wrong platform data\n"); + return -EINVAL; + } + + camif->pdata = *pdata; + drvdata = (void *)platform_get_device_id(pdev)->driver_data; + camif->variant = drvdata->variant; + + mres = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + camif->io_base = devm_request_and_ioremap(dev, mres); + if (!camif->io_base) { + dev_err(dev, "failed to obtain I/O memory\n"); + return -ENOENT; + } + + ret = camif_request_irqs(pdev, camif); + if (ret < 0) + return ret; + + ret = pdata->gpio_get(); + if (ret < 0) + return ret; + + ret = s3c_camif_create_subdev(camif); + if (ret < 0) + goto err_sd; + + ret = camif_clk_get(camif); + if (ret < 0) + goto err_clk; + + platform_set_drvdata(pdev, camif); + clk_set_rate(camif->clock[CLK_CAM], + camif->pdata.sensor.clock_frequency); + + dev_info(dev, "sensor clock frequency: %lu\n", + clk_get_rate(camif->clock[CLK_CAM])); + /* + * Set initial pixel format, resolution and crop rectangle. + * Must be done before a sensor subdev is registered as some + * settings are overrode with values from sensor subdev. + */ + s3c_camif_set_defaults(camif); + + pm_runtime_enable(dev); + + ret = pm_runtime_get_sync(dev); + if (ret < 0) + goto err_pm; + + /* Initialize contiguous memory allocator */ + camif->alloc_ctx = vb2_dma_contig_init_ctx(dev); + if (IS_ERR(camif->alloc_ctx)) { + ret = PTR_ERR(camif->alloc_ctx); + goto err_alloc; + } + + ret = camif_media_dev_register(camif); + if (ret < 0) + goto err_mdev; + + ret = camif_register_sensor(camif); + if (ret < 0) + goto err_sens; + + ret = v4l2_device_register_subdev(&camif->v4l2_dev, &camif->subdev); + if (ret < 0) + goto err_sens; + + mutex_lock(&camif->media_dev.graph_mutex); + + ret = v4l2_device_register_subdev_nodes(&camif->v4l2_dev); + if (ret < 0) + goto err_unlock; + + ret = camif_register_video_nodes(camif); + if (ret < 0) + goto err_unlock; + + ret = camif_create_media_links(camif); + if (ret < 0) + goto err_unlock; + + mutex_unlock(&camif->media_dev.graph_mutex); + pm_runtime_put(dev); + return 0; + +err_unlock: + mutex_unlock(&camif->media_dev.graph_mutex); +err_sens: + v4l2_device_unregister(&camif->v4l2_dev); + media_device_unregister(&camif->media_dev); + camif_unregister_media_entities(camif); +err_mdev: + vb2_dma_contig_cleanup_ctx(camif->alloc_ctx); +err_alloc: + pm_runtime_put(dev); + pm_runtime_disable(dev); +err_pm: + camif_clk_put(camif); +err_clk: + s3c_camif_unregister_subdev(camif); +err_sd: + pdata->gpio_put(); + return ret; +} + +static int __devexit s3c_camif_remove(struct platform_device *pdev) +{ + struct camif_dev *camif = platform_get_drvdata(pdev); + struct s3c_camif_plat_data *pdata = &camif->pdata; + + media_device_unregister(&camif->media_dev); + camif_unregister_media_entities(camif); + v4l2_device_unregister(&camif->v4l2_dev); + + pm_runtime_disable(&pdev->dev); + camif_clk_put(camif); + pdata->gpio_put(); + + return 0; +} + +static int s3c_camif_runtime_resume(struct device *dev) +{ + struct camif_dev *camif = dev_get_drvdata(dev); + + clk_enable(camif->clock[CLK_GATE]); + /* null op on s3c244x */ + clk_enable(camif->clock[CLK_CAM]); + return 0; +} + +static int s3c_camif_runtime_suspend(struct device *dev) +{ + struct camif_dev *camif = dev_get_drvdata(dev); + + /* null op on s3c244x */ + clk_disable(camif->clock[CLK_CAM]); + + clk_disable(camif->clock[CLK_GATE]); + return 0; +} + +static const struct s3c_camif_variant s3c244x_camif_variant = { + .vp_pix_limits = { + [VP_CODEC] = { + .max_out_width = 4096, + .max_sc_out_width = 2048, + .out_width_align = 16, + .min_out_width = 16, + .max_height = 4096, + }, + [VP_PREVIEW] = { + .max_out_width = 640, + .max_sc_out_width = 640, + .out_width_align = 16, + .min_out_width = 16, + .max_height = 480, + } + }, + .pix_limits = { + .win_hor_offset_align = 8, + }, + .ip_revision = S3C244X_CAMIF_IP_REV, +}; + +static struct s3c_camif_drvdata s3c244x_camif_drvdata = { + .variant = &s3c244x_camif_variant, + .bus_clk_freq = 24000000UL, +}; + +static const struct s3c_camif_variant s3c6410_camif_variant = { + .vp_pix_limits = { + [VP_CODEC] = { + .max_out_width = 4096, + .max_sc_out_width = 2048, + .out_width_align = 16, + .min_out_width = 16, + .max_height = 4096, + }, + [VP_PREVIEW] = { + .max_out_width = 4096, + .max_sc_out_width = 720, + .out_width_align = 16, + .min_out_width = 16, + .max_height = 4096, + } + }, + .pix_limits = { + .win_hor_offset_align = 8, + }, + .ip_revision = S3C6410_CAMIF_IP_REV, + .has_img_effect = 1, + .vp_offset = 0x20, +}; + +static struct s3c_camif_drvdata s3c6410_camif_drvdata = { + .variant = &s3c6410_camif_variant, + .bus_clk_freq = 133000000UL, +}; + +static struct platform_device_id s3c_camif_driver_ids[] = { + { + .name = "s3c2440-camif", + .driver_data = (unsigned long)&s3c244x_camif_drvdata, + }, { + .name = "s3c6410-camif", + .driver_data = (unsigned long)&s3c6410_camif_drvdata, + }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(platform, s3c_camif_driver_ids); + +static const struct dev_pm_ops s3c_camif_pm_ops = { + .runtime_suspend = s3c_camif_runtime_suspend, + .runtime_resume = s3c_camif_runtime_resume, +}; + +static struct platform_driver s3c_camif_driver = { + .probe = s3c_camif_probe, + .remove = __devexit_p(s3c_camif_remove), + .id_table = s3c_camif_driver_ids, + .driver = { + .name = S3C_CAMIF_DRIVER_NAME, + .owner = THIS_MODULE, + .pm = &s3c_camif_pm_ops, + } +}; + +module_platform_driver(s3c_camif_driver); + +MODULE_AUTHOR("Sylwester Nawrocki <sylvester.nawrocki@gmail.com>"); +MODULE_AUTHOR("Tomasz Figa <tomasz.figa@gmail.com>"); +MODULE_DESCRIPTION("S3C24XX/S3C64XX SoC camera interface driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/platform/s3c-camif/camif-core.h b/drivers/media/platform/s3c-camif/camif-core.h new file mode 100644 index 0000000..261134b --- /dev/null +++ b/drivers/media/platform/s3c-camif/camif-core.h @@ -0,0 +1,393 @@ +/* + * s3c24xx/s3c64xx SoC series Camera Interface (CAMIF) driver + * + * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> + * Copyright (C) 2012 Tomasz Figa <tomasz.figa@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef CAMIF_CORE_H_ +#define CAMIF_CORE_H_ + +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/videodev2.h> + +#include <media/media-entity.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-mediabus.h> +#include <media/videobuf2-core.h> +#include <media/s3c_camif.h> + +#define S3C_CAMIF_DRIVER_NAME "s3c-camif" +#define CAMIF_REQ_BUFS_MIN 3 +#define CAMIF_MAX_OUT_BUFS 4 +#define CAMIF_MAX_PIX_WIDTH 4096 +#define CAMIF_MAX_PIX_HEIGHT 4096 +#define SCALER_MAX_RATIO 64 +#define CAMIF_DEF_WIDTH 640 +#define CAMIF_DEF_HEIGHT 480 +#define CAMIF_STOP_TIMEOUT 1500 /* ms */ + +#define S3C244X_CAMIF_IP_REV 0x20 /* 2.0 */ +#define S3C2450_CAMIF_IP_REV 0x30 /* 3.0 - not implemented, not tested */ +#define S3C6400_CAMIF_IP_REV 0x31 /* 3.1 - not implemented, not tested */ +#define S3C6410_CAMIF_IP_REV 0x32 /* 3.2 */ + +/* struct camif_vp::state */ + +#define ST_VP_PENDING (1 << 0) +#define ST_VP_RUNNING (1 << 1) +#define ST_VP_STREAMING (1 << 2) +#define ST_VP_SENSOR_STREAMING (1 << 3) + +#define ST_VP_ABORTING (1 << 4) +#define ST_VP_OFF (1 << 5) +#define ST_VP_LASTIRQ (1 << 6) + +#define ST_VP_CONFIG (1 << 8) + +#define CAMIF_SD_PAD_SINK 0 +#define CAMIF_SD_PAD_SOURCE_C 1 +#define CAMIF_SD_PAD_SOURCE_P 2 +#define CAMIF_SD_PADS_NUM 3 + +enum img_fmt { + IMG_FMT_RGB565 = 0x0010, + IMG_FMT_RGB666, + IMG_FMT_XRGB8888, + IMG_FMT_YCBCR420 = 0x0020, + IMG_FMT_YCRCB420, + IMG_FMT_YCBCR422P, + IMG_FMT_YCBYCR422 = 0x0040, + IMG_FMT_YCRYCB422, + IMG_FMT_CBYCRY422, + IMG_FMT_CRYCBY422, +}; + +#define img_fmt_is_rgb(x) ((x) & 0x10) +#define img_fmt_is_ycbcr(x) ((x) & 0x60) + +/* Possible values for struct camif_fmt::flags */ +#define FMT_FL_S3C24XX_CODEC (1 << 0) +#define FMT_FL_S3C24XX_PREVIEW (1 << 1) +#define FMT_FL_S3C64XX (1 << 2) + +/** + * struct camif_fmt - pixel format description + * @fourcc: fourcc code for this format, 0 if not applicable + * @color: a corresponding enum img_fmt + * @colplanes: number of physically contiguous data planes + * @flags: indicate for which SoCs revisions this format is valid + * @depth: bits per pixel (total) + * @ybpp: number of luminance bytes per pixel + */ +struct camif_fmt { + char *name; + u32 fourcc; + u32 color; + u16 colplanes; + u16 flags; + u8 depth; + u8 ybpp; +}; + +/** + * struct camif_dma_offset - pixel offset information for DMA + * @initial: offset (in pixels) to first pixel + * @line: offset (in pixels) from end of line to start of next line + */ +struct camif_dma_offset { + int initial; + int line; +}; + +/** + * struct camif_frame - source/target frame properties + * @f_width: full pixel width + * @f_height: full pixel height + * @rect: crop/composition rectangle + * @dma_offset: DMA offset configuration + */ +struct camif_frame { + u16 f_width; + u16 f_height; + struct v4l2_rect rect; + struct camif_dma_offset dma_offset; +}; + +/* CAMIF clocks enumeration */ +enum { + CLK_GATE, + CLK_CAM, + CLK_MAX_NUM, +}; + +struct vp_pix_limits { + u16 max_out_width; + u16 max_sc_out_width; + u16 out_width_align; + u16 max_height; + u8 min_out_width; + u16 out_hor_offset_align; +}; + +struct camif_pix_limits { + u16 win_hor_offset_align; +}; + +/** + * struct s3c_camif_variant - CAMIF variant structure + * @vp_pix_limits: pixel limits for the codec and preview paths + * @camif_pix_limits: pixel limits for the camera input interface + * @ip_revision: the CAMIF IP revision: 0x20 for s3c244x, 0x32 for s3c6410 + */ +struct s3c_camif_variant { + struct vp_pix_limits vp_pix_limits[2]; + struct camif_pix_limits pix_limits; + u8 ip_revision; + u8 has_img_effect; + unsigned int vp_offset; +}; + +struct s3c_camif_drvdata { + const struct s3c_camif_variant *variant; + unsigned long bus_clk_freq; +}; + +struct camif_scaler { + u8 scaleup_h; + u8 scaleup_v; + u8 copy; + u8 enable; + u32 h_shift; + u32 v_shift; + u32 pre_h_ratio; + u32 pre_v_ratio; + u32 pre_dst_width; + u32 pre_dst_height; + u32 main_h_ratio; + u32 main_v_ratio; +}; + +struct camif_dev; + +/** + * struct camif_vp - CAMIF data processing path structure (codec/preview) + * @irq_queue: interrupt handling waitqueue + * @irq: interrupt number for this data path + * @camif: pointer to the camif structure + * @pad: media pad for the video node + * @vdev video device + * @ctrl_handler: video node controls handler + * @owner: file handle that own the streaming + * @pending_buf_q: pending (empty) buffers queue head + * @active_buf_q: active (being written) buffers queue head + * @active_buffers: counter of buffer set up at the DMA engine + * @buf_index: identifier of a last empty buffer set up in H/W + * @frame_sequence: image frame sequence counter + * @reqbufs_count: the number of buffers requested + * @scaler: the scaler structure + * @out_fmt: pixel format at this video path output + * @payload: the output data frame payload size + * @out_frame: the output pixel resolution + * @state: the video path's state + * @fmt_flags: flags determining supported pixel formats + * @id: CAMIF id, 0 - codec, 1 - preview + * @rotation: current image rotation value + * @hflip: apply horizontal flip if set + * @vflip: apply vertical flip if set + */ +struct camif_vp { + wait_queue_head_t irq_queue; + int irq; + struct camif_dev *camif; + struct media_pad pad; + struct video_device vdev; + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_fh *owner; + struct vb2_queue vb_queue; + struct list_head pending_buf_q; + struct list_head active_buf_q; + unsigned int active_buffers; + unsigned int buf_index; + unsigned int frame_sequence; + unsigned int reqbufs_count; + struct camif_scaler scaler; + const struct camif_fmt *out_fmt; + unsigned int payload; + struct camif_frame out_frame; + unsigned int state; + u16 fmt_flags; + u8 id; + u8 rotation; + u8 hflip; + u8 vflip; + unsigned int offset; +}; + +/* Video processing path enumeration */ +#define VP_CODEC 0 +#define VP_PREVIEW 1 +#define CAMIF_VP_NUM 2 + +/** + * struct camif_dev - the CAMIF driver private data structure + * @media_dev: top-level media device structure + * @v4l2_dev: root v4l2_device + * @subdev: camera interface ("catchcam") subdev + * @mbus_fmt: camera input media bus format + * @camif_crop: camera input interface crop rectangle + * @pads: the camif subdev's media pads + * @stream_count: the camera interface streaming reference counter + * @sensor: image sensor data structure + * @m_pipeline: video entity pipeline description + * @ctrl_handler: v4l2 control handler (owned by @subdev) + * @test_pattern: test pattern controls + * @vp: video path (DMA) description (codec/preview) + * @alloc_ctx: memory buffer allocator context + * @variant: variant information for this device + * @dev: pointer to the CAMIF device struct + * @pdata: a copy of the driver's platform data + * @clock: clocks required for the CAMIF operation + * @lock: mutex protecting this data structure + * @slock: spinlock protecting CAMIF registers + * @io_base: start address of the mmaped CAMIF registers + */ +struct camif_dev { + struct media_device media_dev; + struct v4l2_device v4l2_dev; + struct v4l2_subdev subdev; + struct v4l2_mbus_framefmt mbus_fmt; + struct v4l2_rect camif_crop; + struct media_pad pads[CAMIF_SD_PADS_NUM]; + int stream_count; + + struct cam_sensor { + struct v4l2_subdev *sd; + short power_count; + short stream_count; + } sensor; + struct media_pipeline *m_pipeline; + + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl *ctrl_test_pattern; + struct { + struct v4l2_ctrl *ctrl_colorfx; + struct v4l2_ctrl *ctrl_colorfx_cbcr; + }; + u8 test_pattern; + u8 colorfx; + u8 colorfx_cb; + u8 colorfx_cr; + + struct camif_vp vp[CAMIF_VP_NUM]; + struct vb2_alloc_ctx *alloc_ctx; + + const struct s3c_camif_variant *variant; + struct device *dev; + struct s3c_camif_plat_data pdata; + struct clk *clock[CLK_MAX_NUM]; + struct mutex lock; + spinlock_t slock; + void __iomem *io_base; +}; + +/** + * struct camif_addr - Y/Cb/Cr DMA start address structure + * @y: luminance plane dma address + * @cb: Cb plane dma address + * @cr: Cr plane dma address + */ +struct camif_addr { + dma_addr_t y; + dma_addr_t cb; + dma_addr_t cr; +}; + +/** + * struct camif_buffer - the camif video buffer structure + * @vb: vb2 buffer + * @list: list head for the buffers queue + * @paddr: DMA start addresses + * @index: an identifier of this buffer at the DMA engine + */ +struct camif_buffer { + struct vb2_buffer vb; + struct list_head list; + struct camif_addr paddr; + unsigned int index; +}; + +const struct camif_fmt *s3c_camif_find_format(struct camif_vp *vp, + const u32 *pixelformat, int index); +int s3c_camif_register_video_node(struct camif_dev *camif, int idx); +void s3c_camif_unregister_video_node(struct camif_dev *camif, int idx); +irqreturn_t s3c_camif_irq_handler(int irq, void *priv); +int s3c_camif_create_subdev(struct camif_dev *camif); +void s3c_camif_unregister_subdev(struct camif_dev *camif); +int s3c_camif_set_defaults(struct camif_dev *camif); +int s3c_camif_get_scaler_config(struct camif_vp *vp, + struct camif_scaler *scaler); + +static inline void camif_active_queue_add(struct camif_vp *vp, + struct camif_buffer *buf) +{ + list_add_tail(&buf->list, &vp->active_buf_q); + vp->active_buffers++; +} + +static inline struct camif_buffer *camif_active_queue_pop( + struct camif_vp *vp) +{ + struct camif_buffer *buf = list_first_entry(&vp->active_buf_q, + struct camif_buffer, list); + list_del(&buf->list); + vp->active_buffers--; + return buf; +} + +static inline struct camif_buffer *camif_active_queue_peek( + struct camif_vp *vp, int index) +{ + struct camif_buffer *tmp, *buf; + + if (WARN_ON(list_empty(&vp->active_buf_q))) + return NULL; + + list_for_each_entry_safe(buf, tmp, &vp->active_buf_q, list) { + if (buf->index == index) { + list_del(&buf->list); + vp->active_buffers--; + return buf; + } + } + + return NULL; +} + +static inline void camif_pending_queue_add(struct camif_vp *vp, + struct camif_buffer *buf) +{ + list_add_tail(&buf->list, &vp->pending_buf_q); +} + +static inline struct camif_buffer *camif_pending_queue_pop( + struct camif_vp *vp) +{ + struct camif_buffer *buf = list_first_entry(&vp->pending_buf_q, + struct camif_buffer, list); + list_del(&buf->list); + return buf; +} + +#endif /* CAMIF_CORE_H_ */ diff --git a/drivers/media/platform/s3c-camif/camif-regs.c b/drivers/media/platform/s3c-camif/camif-regs.c new file mode 100644 index 0000000..1a3b4fc --- /dev/null +++ b/drivers/media/platform/s3c-camif/camif-regs.c @@ -0,0 +1,606 @@ +/* + * Samsung s3c24xx/s3c64xx SoC CAMIF driver + * + * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> + * Copyright (C) 2012 Tomasz Figa <tomasz.figa@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ +#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__ + +#include <linux/delay.h> +#include "camif-regs.h" + +#define camif_write(_camif, _off, _val) writel(_val, (_camif)->io_base + (_off)) +#define camif_read(_camif, _off) readl((_camif)->io_base + (_off)) + +void camif_hw_reset(struct camif_dev *camif) +{ + u32 cfg; + + cfg = camif_read(camif, S3C_CAMIF_REG_CISRCFMT); + cfg |= CISRCFMT_ITU601_8BIT; + camif_write(camif, S3C_CAMIF_REG_CISRCFMT, cfg); + + /* S/W reset */ + cfg = camif_read(camif, S3C_CAMIF_REG_CIGCTRL); + cfg |= CIGCTRL_SWRST; + if (camif->variant->ip_revision == S3C6410_CAMIF_IP_REV) + cfg |= CIGCTRL_IRQ_LEVEL; + camif_write(camif, S3C_CAMIF_REG_CIGCTRL, cfg); + udelay(10); + + cfg = camif_read(camif, S3C_CAMIF_REG_CIGCTRL); + cfg &= ~CIGCTRL_SWRST; + camif_write(camif, S3C_CAMIF_REG_CIGCTRL, cfg); + udelay(10); +} + +void camif_hw_clear_pending_irq(struct camif_vp *vp) +{ + u32 cfg = camif_read(vp->camif, S3C_CAMIF_REG_CIGCTRL); + cfg |= CIGCTRL_IRQ_CLR(vp->id); + camif_write(vp->camif, S3C_CAMIF_REG_CIGCTRL, cfg); +} + +/* + * Sets video test pattern (off, color bar, horizontal or vertical gradient). + * External sensor pixel clock must be active for the test pattern to work. + */ +void camif_hw_set_test_pattern(struct camif_dev *camif, unsigned int pattern) +{ + u32 cfg = camif_read(camif, S3C_CAMIF_REG_CIGCTRL); + cfg &= ~CIGCTRL_TESTPATTERN_MASK; + cfg |= (pattern << 27); + camif_write(camif, S3C_CAMIF_REG_CIGCTRL, cfg); +} + +void camif_hw_set_effect(struct camif_dev *camif, unsigned int effect, + unsigned int cr, unsigned int cb) +{ + static const struct v4l2_control colorfx[] = { + { V4L2_COLORFX_NONE, CIIMGEFF_FIN_BYPASS }, + { V4L2_COLORFX_BW, CIIMGEFF_FIN_ARBITRARY }, + { V4L2_COLORFX_SEPIA, CIIMGEFF_FIN_ARBITRARY }, + { V4L2_COLORFX_NEGATIVE, CIIMGEFF_FIN_NEGATIVE }, + { V4L2_COLORFX_ART_FREEZE, CIIMGEFF_FIN_ARTFREEZE }, + { V4L2_COLORFX_EMBOSS, CIIMGEFF_FIN_EMBOSSING }, + { V4L2_COLORFX_SILHOUETTE, CIIMGEFF_FIN_SILHOUETTE }, + { V4L2_COLORFX_SET_CBCR, CIIMGEFF_FIN_ARBITRARY }, + }; + unsigned int i, cfg; + + for (i = 0; i < ARRAY_SIZE(colorfx); i++) + if (colorfx[i].id == effect) + break; + + if (i == ARRAY_SIZE(colorfx)) + return; + + cfg = camif_read(camif, S3C_CAMIF_REG_CIIMGEFF(camif->vp->offset)); + /* Set effect */ + cfg &= ~CIIMGEFF_FIN_MASK; + cfg |= colorfx[i].value; + /* Set both paths */ + if (camif->variant->ip_revision >= S3C6400_CAMIF_IP_REV) { + if (effect == V4L2_COLORFX_NONE) + cfg &= ~CIIMGEFF_IE_ENABLE_MASK; + else + cfg |= CIIMGEFF_IE_ENABLE_MASK; + } + cfg &= ~CIIMGEFF_PAT_CBCR_MASK; + cfg |= cr | (cb << 13); + camif_write(camif, S3C_CAMIF_REG_CIIMGEFF(camif->vp->offset), cfg); +} + +static const u32 src_pixfmt_map[8][2] = { + { V4L2_MBUS_FMT_YUYV8_2X8, CISRCFMT_ORDER422_YCBYCR }, + { V4L2_MBUS_FMT_YVYU8_2X8, CISRCFMT_ORDER422_YCRYCB }, + { V4L2_MBUS_FMT_UYVY8_2X8, CISRCFMT_ORDER422_CBYCRY }, + { V4L2_MBUS_FMT_VYUY8_2X8, CISRCFMT_ORDER422_CRYCBY }, +}; + +/* Set camera input pixel format and resolution */ +void camif_hw_set_source_format(struct camif_dev *camif) +{ + struct v4l2_mbus_framefmt *mf = &camif->mbus_fmt; + unsigned int i = ARRAY_SIZE(src_pixfmt_map); + u32 cfg; + + while (i-- >= 0) { + if (src_pixfmt_map[i][0] == mf->code) + break; + } + + if (i == 0 && src_pixfmt_map[i][0] != mf->code) { + dev_err(camif->dev, + "Unsupported pixel code, falling back to %#08x\n", + src_pixfmt_map[i][0]); + } + + cfg = camif_read(camif, S3C_CAMIF_REG_CISRCFMT); + cfg &= ~(CISRCFMT_ORDER422_MASK | CISRCFMT_SIZE_CAM_MASK); + cfg |= (mf->width << 16) | mf->height; + cfg |= src_pixfmt_map[i][1]; + camif_write(camif, S3C_CAMIF_REG_CISRCFMT, cfg); +} + +/* Set the camera host input window offsets (cropping) */ +void camif_hw_set_camera_crop(struct camif_dev *camif) +{ + struct v4l2_mbus_framefmt *mf = &camif->mbus_fmt; + struct v4l2_rect *crop = &camif->camif_crop; + u32 hoff2, voff2; + u32 cfg; + + /* Note: s3c244x requirement: left = f_width - rect.width / 2 */ + cfg = camif_read(camif, S3C_CAMIF_REG_CIWDOFST); + cfg &= ~(CIWDOFST_OFST_MASK | CIWDOFST_WINOFSEN); + cfg |= (crop->left << 16) | crop->top; + if (crop->left != 0 || crop->top != 0) + cfg |= CIWDOFST_WINOFSEN; + camif_write(camif, S3C_CAMIF_REG_CIWDOFST, cfg); + + if (camif->variant->ip_revision == S3C6410_CAMIF_IP_REV) { + hoff2 = mf->width - crop->width - crop->left; + voff2 = mf->height - crop->height - crop->top; + cfg = (hoff2 << 16) | voff2; + camif_write(camif, S3C_CAMIF_REG_CIWDOFST2, cfg); + } +} + +void camif_hw_clear_fifo_overflow(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + u32 cfg; + + cfg = camif_read(camif, S3C_CAMIF_REG_CIWDOFST); + if (vp->id == 0) + cfg |= (CIWDOFST_CLROVCOFIY | CIWDOFST_CLROVCOFICB | + CIWDOFST_CLROVCOFICR); + else + cfg |= (/* CIWDOFST_CLROVPRFIY | */ CIWDOFST_CLROVPRFICB | + CIWDOFST_CLROVPRFICR); + camif_write(camif, S3C_CAMIF_REG_CIWDOFST, cfg); +} + +/* Set video bus signals polarity */ +void camif_hw_set_camera_bus(struct camif_dev *camif) +{ + unsigned int flags = camif->pdata.sensor.flags; + + u32 cfg = camif_read(camif, S3C_CAMIF_REG_CIGCTRL); + + cfg &= ~(CIGCTRL_INVPOLPCLK | CIGCTRL_INVPOLVSYNC | + CIGCTRL_INVPOLHREF | CIGCTRL_INVPOLFIELD); + + if (flags & V4L2_MBUS_PCLK_SAMPLE_FALLING) + cfg |= CIGCTRL_INVPOLPCLK; + + if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) + cfg |= CIGCTRL_INVPOLVSYNC; + /* + * HREF is normally high during frame active data + * transmission and low during horizontal synchronization + * period. Thus HREF active high means HSYNC active low. + */ + if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) + cfg |= CIGCTRL_INVPOLHREF; /* HREF active low */ + + if (camif->variant->ip_revision == S3C6410_CAMIF_IP_REV) { + if (flags & V4L2_MBUS_FIELD_EVEN_LOW) + cfg |= CIGCTRL_INVPOLFIELD; + cfg |= CIGCTRL_FIELDMODE; + } + + pr_debug("Setting CIGCTRL to: %#x\n", cfg); + + camif_write(camif, S3C_CAMIF_REG_CIGCTRL, cfg); +} + +void camif_hw_set_output_addr(struct camif_vp *vp, + struct camif_addr *paddr, int i) +{ + struct camif_dev *camif = vp->camif; + + camif_write(camif, S3C_CAMIF_REG_CIYSA(vp->id, i), paddr->y); + if (camif->variant->ip_revision == S3C6410_CAMIF_IP_REV + || vp->id == VP_CODEC) { + camif_write(camif, S3C_CAMIF_REG_CICBSA(vp->id, i), + paddr->cb); + camif_write(camif, S3C_CAMIF_REG_CICRSA(vp->id, i), + paddr->cr); + } + + pr_debug("dst_buf[%d]: %#X, cb: %#X, cr: %#X\n", + i, paddr->y, paddr->cb, paddr->cr); +} + +static void camif_hw_set_out_dma_size(struct camif_vp *vp) +{ + struct camif_frame *frame = &vp->out_frame; + u32 cfg; + + cfg = camif_read(vp->camif, S3C_CAMIF_REG_CITRGFMT(vp->id, vp->offset)); + cfg &= ~CITRGFMT_TARGETSIZE_MASK; + cfg |= (frame->f_width << 16) | frame->f_height; + camif_write(vp->camif, S3C_CAMIF_REG_CITRGFMT(vp->id, vp->offset), cfg); +} + +static void camif_get_dma_burst(u32 width, u32 ybpp, u32 *mburst, u32 *rburst) +{ + unsigned int nwords = width * ybpp / 4; + unsigned int div, rem; + + if (WARN_ON(width < 8 || (width * ybpp) & 7)) + return; + + for (div = 16; div >= 2; div /= 2) { + if (nwords < div) + continue; + + rem = nwords & (div - 1); + if (rem == 0) { + *mburst = div; + *rburst = div; + break; + } + if (rem == div / 2 || rem == div / 4) { + *mburst = div; + *rburst = rem; + break; + } + } +} + +void camif_hw_set_output_dma(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + struct camif_frame *frame = &vp->out_frame; + const struct camif_fmt *fmt = vp->out_fmt; + unsigned int ymburst = 0, yrburst = 0; + u32 cfg; + + camif_hw_set_out_dma_size(vp); + + if (camif->variant->ip_revision == S3C6410_CAMIF_IP_REV) { + struct camif_dma_offset *offset = &frame->dma_offset; + /* Set the input dma offsets. */ + cfg = S3C_CISS_OFFS_INITIAL(offset->initial); + cfg |= S3C_CISS_OFFS_LINE(offset->line); + camif_write(camif, S3C_CAMIF_REG_CISSY(vp->id), cfg); + camif_write(camif, S3C_CAMIF_REG_CISSCB(vp->id), cfg); + camif_write(camif, S3C_CAMIF_REG_CISSCR(vp->id), cfg); + } + + /* Configure DMA burst values */ + camif_get_dma_burst(frame->rect.width, fmt->ybpp, &ymburst, &yrburst); + + cfg = camif_read(camif, S3C_CAMIF_REG_CICTRL(vp->id, vp->offset)); + cfg &= ~CICTRL_BURST_MASK; + + cfg |= CICTRL_YBURST1(ymburst) | CICTRL_YBURST2(yrburst); + cfg |= CICTRL_CBURST1(ymburst / 2) | CICTRL_CBURST2(yrburst / 2); + + camif_write(camif, S3C_CAMIF_REG_CICTRL(vp->id, vp->offset), cfg); + + pr_debug("ymburst: %u, yrburst: %u\n", ymburst, yrburst); +} + +void camif_hw_set_input_path(struct camif_vp *vp) +{ + u32 cfg = camif_read(vp->camif, S3C_CAMIF_REG_MSCTRL(vp->id)); + cfg &= ~MSCTRL_SEL_DMA_CAM; + camif_write(vp->camif, S3C_CAMIF_REG_MSCTRL(vp->id), cfg); +} + +void camif_hw_set_target_format(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + struct camif_frame *frame = &vp->out_frame; + u32 cfg; + + pr_debug("fw: %d, fh: %d color: %d\n", frame->f_width, + frame->f_height, vp->out_fmt->color); + + cfg = camif_read(camif, S3C_CAMIF_REG_CITRGFMT(vp->id, vp->offset)); + cfg &= ~CITRGFMT_TARGETSIZE_MASK; + + if (camif->variant->ip_revision == S3C244X_CAMIF_IP_REV) { + /* We currently support only YCbCr 4:2:2 at the camera input */ + cfg |= CITRGFMT_IN422; + cfg &= ~CITRGFMT_OUT422; + if (vp->out_fmt->color == IMG_FMT_YCBCR422P) + cfg |= CITRGFMT_OUT422; + } else { + cfg &= ~CITRGFMT_OUTFORMAT_MASK; + switch (vp->out_fmt->color) { + case IMG_FMT_RGB565...IMG_FMT_XRGB8888: + cfg |= CITRGFMT_OUTFORMAT_RGB; + break; + case IMG_FMT_YCBCR420...IMG_FMT_YCRCB420: + cfg |= CITRGFMT_OUTFORMAT_YCBCR420; + break; + case IMG_FMT_YCBCR422P: + cfg |= CITRGFMT_OUTFORMAT_YCBCR422; + break; + case IMG_FMT_YCBYCR422...IMG_FMT_CRYCBY422: + cfg |= CITRGFMT_OUTFORMAT_YCBCR422I; + break; + } + } + + /* Rotation is only supported by s3c64xx */ + if (vp->rotation == 90 || vp->rotation == 270) + cfg |= (frame->f_height << 16) | frame->f_width; + else + cfg |= (frame->f_width << 16) | frame->f_height; + camif_write(camif, S3C_CAMIF_REG_CITRGFMT(vp->id, vp->offset), cfg); + + /* Target area, output pixel width * height */ + cfg = camif_read(camif, S3C_CAMIF_REG_CITAREA(vp->id, vp->offset)); + cfg &= ~CITAREA_MASK; + cfg |= (frame->f_width * frame->f_height); + camif_write(camif, S3C_CAMIF_REG_CITAREA(vp->id, vp->offset), cfg); +} + +void camif_hw_set_flip(struct camif_vp *vp) +{ + u32 cfg = camif_read(vp->camif, + S3C_CAMIF_REG_CITRGFMT(vp->id, vp->offset)); + + cfg &= ~CITRGFMT_FLIP_MASK; + + if (vp->hflip) + cfg |= CITRGFMT_FLIP_Y_MIRROR; + if (vp->vflip) + cfg |= CITRGFMT_FLIP_X_MIRROR; + + camif_write(vp->camif, S3C_CAMIF_REG_CITRGFMT(vp->id, vp->offset), cfg); +} + +static void camif_hw_set_prescaler(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + struct camif_scaler *sc = &vp->scaler; + u32 cfg, shfactor, addr; + + addr = S3C_CAMIF_REG_CISCPRERATIO(vp->id, vp->offset); + + shfactor = 10 - (sc->h_shift + sc->v_shift); + cfg = shfactor << 28; + + cfg |= (sc->pre_h_ratio << 16) | sc->pre_v_ratio; + camif_write(camif, addr, cfg); + + cfg = (sc->pre_dst_width << 16) | sc->pre_dst_height; + camif_write(camif, S3C_CAMIF_REG_CISCPREDST(vp->id, vp->offset), cfg); +} + +void camif_s3c244x_hw_set_scaler(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + struct camif_scaler *scaler = &vp->scaler; + unsigned int color = vp->out_fmt->color; + u32 cfg; + + camif_hw_set_prescaler(vp); + + cfg = camif_read(camif, S3C_CAMIF_REG_CISCCTRL(vp->id, vp->offset)); + + cfg &= ~(CISCCTRL_SCALEUP_MASK | CISCCTRL_SCALERBYPASS | + CISCCTRL_MAIN_RATIO_MASK | CIPRSCCTRL_RGB_FORMAT_24BIT); + + if (scaler->enable) { + if (scaler->scaleup_h) { + if (vp->id == VP_CODEC) + cfg |= CISCCTRL_SCALEUP_H; + else + cfg |= CIPRSCCTRL_SCALEUP_H; + } + if (scaler->scaleup_v) { + if (vp->id == VP_CODEC) + cfg |= CISCCTRL_SCALEUP_V; + else + cfg |= CIPRSCCTRL_SCALEUP_V; + } + } else { + if (vp->id == VP_CODEC) + cfg |= CISCCTRL_SCALERBYPASS; + } + + cfg |= ((scaler->main_h_ratio & 0x1ff) << 16); + cfg |= scaler->main_v_ratio & 0x1ff; + + if (vp->id == VP_PREVIEW) { + if (color == IMG_FMT_XRGB8888) + cfg |= CIPRSCCTRL_RGB_FORMAT_24BIT; + cfg |= CIPRSCCTRL_SAMPLE; + } + + camif_write(camif, S3C_CAMIF_REG_CISCCTRL(vp->id, vp->offset), cfg); + + pr_debug("main: h_ratio: %#x, v_ratio: %#x", + scaler->main_h_ratio, scaler->main_v_ratio); +} + +void camif_s3c64xx_hw_set_scaler(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + struct camif_scaler *scaler = &vp->scaler; + unsigned int color = vp->out_fmt->color; + u32 cfg; + + camif_hw_set_prescaler(vp); + + cfg = camif_read(camif, S3C_CAMIF_REG_CISCCTRL(vp->id, vp->offset)); + + cfg &= ~(CISCCTRL_CSCR2Y_WIDE | CISCCTRL_CSCY2R_WIDE + | CISCCTRL_SCALEUP_H | CISCCTRL_SCALEUP_V + | CISCCTRL_SCALERBYPASS | CISCCTRL_ONE2ONE + | CISCCTRL_INRGB_FMT_MASK | CISCCTRL_OUTRGB_FMT_MASK + | CISCCTRL_INTERLACE | CISCCTRL_EXTRGB_EXTENSION + | CISCCTRL_MAIN_RATIO_MASK); + + cfg |= (CISCCTRL_CSCR2Y_WIDE | CISCCTRL_CSCY2R_WIDE); + + if (!scaler->enable) { + cfg |= CISCCTRL_SCALERBYPASS; + } else { + if (scaler->scaleup_h) + cfg |= CISCCTRL_SCALEUP_H; + if (scaler->scaleup_v) + cfg |= CISCCTRL_SCALEUP_V; + if (scaler->copy) + cfg |= CISCCTRL_ONE2ONE; + } + + switch (color) { + case IMG_FMT_RGB666: + cfg |= CISCCTRL_OUTRGB_FMT_RGB666; + break; + case IMG_FMT_XRGB8888: + cfg |= CISCCTRL_OUTRGB_FMT_RGB888; + break; + } + + cfg |= (scaler->main_h_ratio & 0x1ff) << 16; + cfg |= scaler->main_v_ratio & 0x1ff; + + camif_write(camif, S3C_CAMIF_REG_CISCCTRL(vp->id, vp->offset), cfg); + + pr_debug("main: h_ratio: %#x, v_ratio: %#x", + scaler->main_h_ratio, scaler->main_v_ratio); +} + +void camif_hw_set_scaler(struct camif_vp *vp) +{ + unsigned int ip_rev = vp->camif->variant->ip_revision; + + if (ip_rev == S3C244X_CAMIF_IP_REV) + camif_s3c244x_hw_set_scaler(vp); + else + camif_s3c64xx_hw_set_scaler(vp); +} + +void camif_hw_enable_scaler(struct camif_vp *vp, bool on) +{ + u32 addr = S3C_CAMIF_REG_CISCCTRL(vp->id, vp->offset); + u32 cfg; + + cfg = camif_read(vp->camif, addr); + if (on) + cfg |= CISCCTRL_SCALERSTART; + else + cfg &= ~CISCCTRL_SCALERSTART; + camif_write(vp->camif, addr, cfg); +} + +void camif_hw_set_lastirq(struct camif_vp *vp, int enable) +{ + u32 addr = S3C_CAMIF_REG_CICTRL(vp->id, vp->offset); + u32 cfg; + + cfg = camif_read(vp->camif, addr); + if (enable) + cfg |= CICTRL_LASTIRQ_ENABLE; + else + cfg &= ~CICTRL_LASTIRQ_ENABLE; + camif_write(vp->camif, addr, cfg); +} + +void camif_hw_enable_capture(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + u32 cfg; + + cfg = camif_read(camif, S3C_CAMIF_REG_CIIMGCPT(vp->offset)); + camif->stream_count++; + + if (camif->variant->ip_revision == S3C6410_CAMIF_IP_REV) + cfg |= CIIMGCPT_CPT_FREN_ENABLE(vp->id); + + if (vp->scaler.enable) + cfg |= CIIMGCPT_IMGCPTEN_SC(vp->id); + + if (camif->stream_count == 1) + cfg |= CIIMGCPT_IMGCPTEN; + + camif_write(camif, S3C_CAMIF_REG_CIIMGCPT(vp->offset), cfg); + + pr_debug("CIIMGCPT: %#x, camif->stream_count: %d\n", + cfg, camif->stream_count); +} + +void camif_hw_disable_capture(struct camif_vp *vp) +{ + struct camif_dev *camif = vp->camif; + u32 cfg; + + cfg = camif_read(camif, S3C_CAMIF_REG_CIIMGCPT(vp->offset)); + cfg &= ~CIIMGCPT_IMGCPTEN_SC(vp->id); + + if (WARN_ON(--(camif->stream_count) < 0)) + camif->stream_count = 0; + + if (camif->stream_count == 0) + cfg &= ~CIIMGCPT_IMGCPTEN; + + pr_debug("CIIMGCPT: %#x, camif->stream_count: %d\n", + cfg, camif->stream_count); + + camif_write(camif, S3C_CAMIF_REG_CIIMGCPT(vp->offset), cfg); +} + +void camif_hw_dump_regs(struct camif_dev *camif, const char *label) +{ + struct { + u32 offset; + const char * const name; + } registers[] = { + { S3C_CAMIF_REG_CISRCFMT, "CISRCFMT" }, + { S3C_CAMIF_REG_CIWDOFST, "CIWDOFST" }, + { S3C_CAMIF_REG_CIGCTRL, "CIGCTRL" }, + { S3C_CAMIF_REG_CIWDOFST2, "CIWDOFST2" }, + { S3C_CAMIF_REG_CIYSA(0, 0), "CICOYSA0" }, + { S3C_CAMIF_REG_CICBSA(0, 0), "CICOCBSA0" }, + { S3C_CAMIF_REG_CICRSA(0, 0), "CICOCRSA0" }, + { S3C_CAMIF_REG_CIYSA(0, 1), "CICOYSA1" }, + { S3C_CAMIF_REG_CICBSA(0, 1), "CICOCBSA1" }, + { S3C_CAMIF_REG_CICRSA(0, 1), "CICOCRSA1" }, + { S3C_CAMIF_REG_CIYSA(0, 2), "CICOYSA2" }, + { S3C_CAMIF_REG_CICBSA(0, 2), "CICOCBSA2" }, + { S3C_CAMIF_REG_CICRSA(0, 2), "CICOCRSA2" }, + { S3C_CAMIF_REG_CIYSA(0, 3), "CICOYSA3" }, + { S3C_CAMIF_REG_CICBSA(0, 3), "CICOCBSA3" }, + { S3C_CAMIF_REG_CICRSA(0, 3), "CICOCRSA3" }, + { S3C_CAMIF_REG_CIYSA(1, 0), "CIPRYSA0" }, + { S3C_CAMIF_REG_CIYSA(1, 1), "CIPRYSA1" }, + { S3C_CAMIF_REG_CIYSA(1, 2), "CIPRYSA2" }, + { S3C_CAMIF_REG_CIYSA(1, 3), "CIPRYSA3" }, + { S3C_CAMIF_REG_CITRGFMT(0, 0), "CICOTRGFMT" }, + { S3C_CAMIF_REG_CITRGFMT(1, 0), "CIPRTRGFMT" }, + { S3C_CAMIF_REG_CICTRL(0, 0), "CICOCTRL" }, + { S3C_CAMIF_REG_CICTRL(1, 0), "CIPRCTRL" }, + { S3C_CAMIF_REG_CISCPREDST(0, 0), "CICOSCPREDST" }, + { S3C_CAMIF_REG_CISCPREDST(1, 0), "CIPRSCPREDST" }, + { S3C_CAMIF_REG_CISCPRERATIO(0, 0), "CICOSCPRERATIO" }, + { S3C_CAMIF_REG_CISCPRERATIO(1, 0), "CIPRSCPRERATIO" }, + { S3C_CAMIF_REG_CISCCTRL(0, 0), "CICOSCCTRL" }, + { S3C_CAMIF_REG_CISCCTRL(1, 0), "CIPRSCCTRL" }, + { S3C_CAMIF_REG_CITAREA(0, 0), "CICOTAREA" }, + { S3C_CAMIF_REG_CITAREA(1, 0), "CIPRTAREA" }, + { S3C_CAMIF_REG_CISTATUS(0, 0), "CICOSTATUS" }, + { S3C_CAMIF_REG_CISTATUS(1, 0), "CIPRSTATUS" }, + { S3C_CAMIF_REG_CIIMGCPT(0), "CIIMGCPT" }, + }; + u32 i; + + pr_info("--- %s ---\n", label); + for (i = 0; i < ARRAY_SIZE(registers); i++) { + u32 cfg = readl(camif->io_base + registers[i].offset); + printk(KERN_INFO "%s:\t0x%08x\n", registers[i].name, cfg); + } +} diff --git a/drivers/media/platform/s3c-camif/camif-regs.h b/drivers/media/platform/s3c-camif/camif-regs.h new file mode 100644 index 0000000..af2d472 --- /dev/null +++ b/drivers/media/platform/s3c-camif/camif-regs.h @@ -0,0 +1,269 @@ +/* + * Register definition file for s3c24xx/s3c64xx SoC CAMIF driver + * + * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> + * Copyright (C) 2012 Tomasz Figa <tomasz.figa@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef CAMIF_REGS_H_ +#define CAMIF_REGS_H_ + +#include "camif-core.h" +#include <media/s3c_camif.h> + +/* + * The id argument indicates the processing path: + * id = 0 - codec (FIMC C), 1 - preview (FIMC P). + */ + +/* Camera input format */ +#define S3C_CAMIF_REG_CISRCFMT 0x00 +#define CISRCFMT_ITU601_8BIT (1 << 31) +#define CISRCFMT_ITU656_8BIT (0 << 31) +#define CISRCFMT_ORDER422_YCBYCR (0 << 14) +#define CISRCFMT_ORDER422_YCRYCB (1 << 14) +#define CISRCFMT_ORDER422_CBYCRY (2 << 14) +#define CISRCFMT_ORDER422_CRYCBY (3 << 14) +#define CISRCFMT_ORDER422_MASK (3 << 14) +#define CISRCFMT_SIZE_CAM_MASK (0x1fff << 16 | 0x1fff) + +/* Window offset */ +#define S3C_CAMIF_REG_CIWDOFST 0x04 +#define CIWDOFST_WINOFSEN (1 << 31) +#define CIWDOFST_CLROVCOFIY (1 << 30) +#define CIWDOFST_CLROVRLB_PR (1 << 28) +/* #define CIWDOFST_CLROVPRFIY (1 << 27) */ +#define CIWDOFST_CLROVCOFICB (1 << 15) +#define CIWDOFST_CLROVCOFICR (1 << 14) +#define CIWDOFST_CLROVPRFICB (1 << 13) +#define CIWDOFST_CLROVPRFICR (1 << 12) +#define CIWDOFST_OFST_MASK (0x7ff << 16 | 0x7ff) + +/* Window offset 2 */ +#define S3C_CAMIF_REG_CIWDOFST2 0x14 +#define CIWDOFST2_OFST2_MASK (0xfff << 16 | 0xfff) + +/* Global control */ +#define S3C_CAMIF_REG_CIGCTRL 0x08 +#define CIGCTRL_SWRST (1 << 31) +#define CIGCTRL_CAMRST (1 << 30) +#define CIGCTRL_TESTPATTERN_NORMAL (0 << 27) +#define CIGCTRL_TESTPATTERN_COLOR_BAR (1 << 27) +#define CIGCTRL_TESTPATTERN_HOR_INC (2 << 27) +#define CIGCTRL_TESTPATTERN_VER_INC (3 << 27) +#define CIGCTRL_TESTPATTERN_MASK (3 << 27) +#define CIGCTRL_INVPOLPCLK (1 << 26) +#define CIGCTRL_INVPOLVSYNC (1 << 25) +#define CIGCTRL_INVPOLHREF (1 << 24) +#define CIGCTRL_IRQ_OVFEN (1 << 22) +#define CIGCTRL_HREF_MASK (1 << 21) +#define CIGCTRL_IRQ_LEVEL (1 << 20) +/* IRQ_CLR_C, IRQ_CLR_P */ +#define CIGCTRL_IRQ_CLR(id) (1 << (19 - (id))) +#define CIGCTRL_FIELDMODE (1 << 2) +#define CIGCTRL_INVPOLFIELD (1 << 1) +#define CIGCTRL_CAM_INTERLACE (1 << 0) + +/* Y DMA output frame start address. n = 0..3. */ +#define S3C_CAMIF_REG_CIYSA(id, n) (0x18 + (id) * 0x54 + (n) * 4) +/* Cb plane output DMA start address. n = 0..3. Only codec path. */ +#define S3C_CAMIF_REG_CICBSA(id, n) (0x28 + (id) * 0x54 + (n) * 4) +/* Cr plane output DMA start address. n = 0..3. Only codec path. */ +#define S3C_CAMIF_REG_CICRSA(id, n) (0x38 + (id) * 0x54 + (n) * 4) + +/* CICOTRGFMT, CIPRTRGFMT - Target format */ +#define S3C_CAMIF_REG_CITRGFMT(id, _offs) (0x48 + (id) * (0x34 + (_offs))) +#define CITRGFMT_IN422 (1 << 31) /* only for s3c24xx */ +#define CITRGFMT_OUT422 (1 << 30) /* only for s3c24xx */ +#define CITRGFMT_OUTFORMAT_YCBCR420 (0 << 29) /* only for s3c6410 */ +#define CITRGFMT_OUTFORMAT_YCBCR422 (1 << 29) /* only for s3c6410 */ +#define CITRGFMT_OUTFORMAT_YCBCR422I (2 << 29) /* only for s3c6410 */ +#define CITRGFMT_OUTFORMAT_RGB (3 << 29) /* only for s3c6410 */ +#define CITRGFMT_OUTFORMAT_MASK (3 << 29) /* only for s3c6410 */ +#define CITRGFMT_TARGETHSIZE(x) ((x) << 16) +#define CITRGFMT_FLIP_NORMAL (0 << 14) +#define CITRGFMT_FLIP_X_MIRROR (1 << 14) +#define CITRGFMT_FLIP_Y_MIRROR (2 << 14) +#define CITRGFMT_FLIP_180 (3 << 14) +#define CITRGFMT_FLIP_MASK (3 << 14) +/* Preview path only */ +#define CITRGFMT_ROT90_PR (1 << 13) +#define CITRGFMT_TARGETVSIZE(x) ((x) << 0) +#define CITRGFMT_TARGETSIZE_MASK ((0x1fff << 16) | 0x1fff) + +/* CICOCTRL, CIPRCTRL. Output DMA control. */ +#define S3C_CAMIF_REG_CICTRL(id, _offs) (0x4c + (id) * (0x34 + (_offs))) +#define CICTRL_BURST_MASK (0xfffff << 4) +/* xBURSTn - 5-bits width */ +#define CICTRL_YBURST1(x) ((x) << 19) +#define CICTRL_YBURST2(x) ((x) << 14) +#define CICTRL_RGBBURST1(x) ((x) << 19) +#define CICTRL_RGBBURST2(x) ((x) << 14) +#define CICTRL_CBURST1(x) ((x) << 9) +#define CICTRL_CBURST2(x) ((x) << 4) +#define CICTRL_LASTIRQ_ENABLE (1 << 2) +#define CICTRL_ORDER422_MASK (3 << 0) + +/* CICOSCPRERATIO, CIPRSCPRERATIO. Pre-scaler control 1. */ +#define S3C_CAMIF_REG_CISCPRERATIO(id, _offs) (0x50 + (id) * (0x34 + (_offs))) + +/* CICOSCPREDST, CIPRSCPREDST. Pre-scaler control 2. */ +#define S3C_CAMIF_REG_CISCPREDST(id, _offs) (0x54 + (id) * (0x34 + (_offs))) + +/* CICOSCCTRL, CIPRSCCTRL. Main scaler control. */ +#define S3C_CAMIF_REG_CISCCTRL(id, _offs) (0x58 + (id) * (0x34 + (_offs))) +#define CISCCTRL_SCALERBYPASS (1 << 31) +/* s3c244x preview path only, s3c64xx both */ +#define CIPRSCCTRL_SAMPLE (1 << 31) +/* 0 - 16-bit RGB, 1 - 24-bit RGB */ +#define CIPRSCCTRL_RGB_FORMAT_24BIT (1 << 30) /* only for s3c244x */ +#define CIPRSCCTRL_SCALEUP_H (1 << 29) /* only for s3c244x */ +#define CIPRSCCTRL_SCALEUP_V (1 << 28) /* only for s3c244x */ +/* s3c64xx */ +#define CISCCTRL_SCALEUP_H (1 << 30) +#define CISCCTRL_SCALEUP_V (1 << 29) +#define CISCCTRL_SCALEUP_MASK (0x3 << 29) +#define CISCCTRL_CSCR2Y_WIDE (1 << 28) +#define CISCCTRL_CSCY2R_WIDE (1 << 27) +#define CISCCTRL_LCDPATHEN_FIFO (1 << 26) +#define CISCCTRL_INTERLACE (1 << 25) +#define CISCCTRL_SCALERSTART (1 << 15) +#define CISCCTRL_INRGB_FMT_RGB565 (0 << 13) +#define CISCCTRL_INRGB_FMT_RGB666 (1 << 13) +#define CISCCTRL_INRGB_FMT_RGB888 (2 << 13) +#define CISCCTRL_INRGB_FMT_MASK (3 << 13) +#define CISCCTRL_OUTRGB_FMT_RGB565 (0 << 11) +#define CISCCTRL_OUTRGB_FMT_RGB666 (1 << 11) +#define CISCCTRL_OUTRGB_FMT_RGB888 (2 << 11) +#define CISCCTRL_OUTRGB_FMT_MASK (3 << 11) +#define CISCCTRL_EXTRGB_EXTENSION (1 << 10) +#define CISCCTRL_ONE2ONE (1 << 9) +#define CISCCTRL_MAIN_RATIO_MASK (0x1ff << 16 | 0x1ff) + +/* CICOTAREA, CIPRTAREA. Target area for DMA (Hsize x Vsize). */ +#define S3C_CAMIF_REG_CITAREA(id, _offs) (0x5c + (id) * (0x34 + (_offs))) +#define CITAREA_MASK 0xfffffff + +/* Codec (id = 0) or preview (id = 1) path status. */ +#define S3C_CAMIF_REG_CISTATUS(id, _offs) (0x64 + (id) * (0x34 + (_offs))) +#define CISTATUS_OVFIY_STATUS (1 << 31) +#define CISTATUS_OVFICB_STATUS (1 << 30) +#define CISTATUS_OVFICR_STATUS (1 << 29) +#define CISTATUS_OVF_MASK (0x7 << 29) +#define CIPRSTATUS_OVF_MASK (0x3 << 30) +#define CISTATUS_VSYNC_STATUS (1 << 28) +#define CISTATUS_FRAMECNT_MASK (3 << 26) +#define CISTATUS_FRAMECNT(__reg) (((__reg) >> 26) & 0x3) +#define CISTATUS_WINOFSTEN_STATUS (1 << 25) +#define CISTATUS_IMGCPTEN_STATUS (1 << 22) +#define CISTATUS_IMGCPTENSC_STATUS (1 << 21) +#define CISTATUS_VSYNC_A_STATUS (1 << 20) +#define CISTATUS_FRAMEEND_STATUS (1 << 19) /* 17 on s3c64xx */ + +/* Image capture enable */ +#define S3C_CAMIF_REG_CIIMGCPT(_offs) (0xa0 + (_offs)) +#define CIIMGCPT_IMGCPTEN (1 << 31) +#define CIIMGCPT_IMGCPTEN_SC(id) (1 << (30 - (id))) +/* Frame control: 1 - one-shot, 0 - free run */ +#define CIIMGCPT_CPT_FREN_ENABLE(id) (1 << (25 - (id))) +#define CIIMGCPT_CPT_FRMOD_ENABLE (0 << 18) +#define CIIMGCPT_CPT_FRMOD_CNT (1 << 18) + +/* Capture sequence */ +#define S3C_CAMIF_REG_CICPTSEQ 0xc4 + +/* Image effects */ +#define S3C_CAMIF_REG_CIIMGEFF(_offs) (0xb0 + (_offs)) +#define CIIMGEFF_IE_ENABLE(id) (1 << (30 + (id))) +#define CIIMGEFF_IE_ENABLE_MASK (3 << 30) +/* Image effect: 1 - after scaler, 0 - before scaler */ +#define CIIMGEFF_IE_AFTER_SC (1 << 29) +#define CIIMGEFF_FIN_MASK (7 << 26) +#define CIIMGEFF_FIN_BYPASS (0 << 26) +#define CIIMGEFF_FIN_ARBITRARY (1 << 26) +#define CIIMGEFF_FIN_NEGATIVE (2 << 26) +#define CIIMGEFF_FIN_ARTFREEZE (3 << 26) +#define CIIMGEFF_FIN_EMBOSSING (4 << 26) +#define CIIMGEFF_FIN_SILHOUETTE (5 << 26) +#define CIIMGEFF_PAT_CBCR_MASK ((0xff << 13) | 0xff) +#define CIIMGEFF_PAT_CB(x) ((x) << 13) +#define CIIMGEFF_PAT_CR(x) (x) + +/* MSCOY0SA, MSPRY0SA. Y/Cb/Cr frame start address for input DMA. */ +#define S3C_CAMIF_REG_MSY0SA(id) (0xd4 + ((id) * 0x2c)) +#define S3C_CAMIF_REG_MSCB0SA(id) (0xd8 + ((id) * 0x2c)) +#define S3C_CAMIF_REG_MSCR0SA(id) (0xdc + ((id) * 0x2c)) + +/* MSCOY0END, MSCOY0END. Y/Cb/Cr frame end address for input DMA. */ +#define S3C_CAMIF_REG_MSY0END(id) (0xe0 + ((id) * 0x2c)) +#define S3C_CAMIF_REG_MSCB0END(id) (0xe4 + ((id) * 0x2c)) +#define S3C_CAMIF_REG_MSCR0END(id) (0xe8 + ((id) * 0x2c)) + +/* MSPRYOFF, MSPRYOFF. Y/Cb/Cr offset. n: 0 - codec, 1 - preview. */ +#define S3C_CAMIF_REG_MSYOFF(id) (0x118 + ((id) * 0x2c)) +#define S3C_CAMIF_REG_MSCBOFF(id) (0x11c + ((id) * 0x2c)) +#define S3C_CAMIF_REG_MSCROFF(id) (0x120 + ((id) * 0x2c)) + +/* Real input DMA data size. n = 0 - codec, 1 - preview. */ +#define S3C_CAMIF_REG_MSWIDTH(id) (0xf8 + (id) * 0x2c) +#define AUTOLOAD_ENABLE (1 << 31) +#define ADDR_CH_DIS (1 << 30) +#define MSHEIGHT(x) (((x) & 0x3ff) << 16) +#define MSWIDTH(x) ((x) & 0x3ff) + +/* Input DMA control. n = 0 - codec, 1 - preview */ +#define S3C_CAMIF_REG_MSCTRL(id) (0xfc + (id) * 0x2c) +#define MSCTRL_ORDER422_M_YCBYCR (0 << 4) +#define MSCTRL_ORDER422_M_YCRYCB (1 << 4) +#define MSCTRL_ORDER422_M_CBYCRY (2 << 4) +#define MSCTRL_ORDER422_M_CRYCBY (3 << 4) +/* 0 - camera, 1 - DMA */ +#define MSCTRL_SEL_DMA_CAM (1 << 3) +#define MSCTRL_INFORMAT_M_YCBCR420 (0 << 1) +#define MSCTRL_INFORMAT_M_YCBCR422 (1 << 1) +#define MSCTRL_INFORMAT_M_YCBCR422I (2 << 1) +#define MSCTRL_INFORMAT_M_RGB (3 << 1) +#define MSCTRL_ENVID_M (1 << 0) + +/* CICOSCOSY, CIPRSCOSY. Scan line Y/Cb/Cr offset. */ +#define S3C_CAMIF_REG_CISSY(id) (0x12c + (id) * 0x0c) +#define S3C_CAMIF_REG_CISSCB(id) (0x130 + (id) * 0x0c) +#define S3C_CAMIF_REG_CISSCR(id) (0x134 + (id) * 0x0c) +#define S3C_CISS_OFFS_INITIAL(x) ((x) << 16) +#define S3C_CISS_OFFS_LINE(x) ((x) << 0) + +/* ------------------------------------------------------------------ */ + +void camif_hw_reset(struct camif_dev *camif); +void camif_hw_clear_pending_irq(struct camif_vp *vp); +void camif_hw_clear_fifo_overflow(struct camif_vp *vp); +void camif_hw_set_lastirq(struct camif_vp *vp, int enable); +void camif_hw_set_input_path(struct camif_vp *vp); +void camif_hw_enable_scaler(struct camif_vp *vp, bool on); +void camif_hw_enable_capture(struct camif_vp *vp); +void camif_hw_disable_capture(struct camif_vp *vp); +void camif_hw_set_camera_bus(struct camif_dev *camif); +void camif_hw_set_source_format(struct camif_dev *camif); +void camif_hw_set_camera_crop(struct camif_dev *camif); +void camif_hw_set_scaler(struct camif_vp *vp); +void camif_hw_set_flip(struct camif_vp *vp); +void camif_hw_set_output_dma(struct camif_vp *vp); +void camif_hw_set_target_format(struct camif_vp *vp); +void camif_hw_set_test_pattern(struct camif_dev *camif, unsigned int pattern); +void camif_hw_set_effect(struct camif_dev *camif, unsigned int effect, + unsigned int cr, unsigned int cb); +void camif_hw_set_output_addr(struct camif_vp *vp, struct camif_addr *paddr, + int index); +void camif_hw_dump_regs(struct camif_dev *camif, const char *label); + +static inline u32 camif_hw_get_status(struct camif_vp *vp) +{ + return readl(vp->camif->io_base + S3C_CAMIF_REG_CISTATUS(vp->id, + vp->offset)); +} + +#endif /* CAMIF_REGS_H_ */ diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c index 891ee87..fdb6740 100644 --- a/drivers/media/platform/s5p-fimc/fimc-capture.c +++ b/drivers/media/platform/s5p-fimc/fimc-capture.c @@ -1230,6 +1230,14 @@ static int fimc_cap_qbuf(struct file *file, void *priv, return vb2_qbuf(&fimc->vid_cap.vbq, buf); } +static int fimc_cap_expbuf(struct file *file, void *priv, + struct v4l2_exportbuffer *eb) +{ + struct fimc_dev *fimc = video_drvdata(file); + + return vb2_expbuf(&fimc->vid_cap.vbq, eb); +} + static int fimc_cap_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { @@ -1354,6 +1362,7 @@ static const struct v4l2_ioctl_ops fimc_capture_ioctl_ops = { .vidioc_qbuf = fimc_cap_qbuf, .vidioc_dqbuf = fimc_cap_dqbuf, + .vidioc_expbuf = fimc_cap_expbuf, .vidioc_prepare_buf = fimc_cap_prepare_buf, .vidioc_create_bufs = fimc_cap_create_bufs, @@ -1729,7 +1738,7 @@ static int fimc_register_capture_device(struct fimc_dev *fimc, q = &fimc->vid_cap.vbq; memset(q, 0, sizeof(*q)); q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; - q->io_modes = VB2_MMAP | VB2_USERPTR; + q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; q->drv_priv = fimc->vid_cap.ctx; q->ops = &fimc_capture_qops; q->mem_ops = &vb2_dma_contig_memops; diff --git a/drivers/media/platform/s5p-fimc/fimc-m2m.c b/drivers/media/platform/s5p-fimc/fimc-m2m.c index 62afed3..1d21da4 100644 --- a/drivers/media/platform/s5p-fimc/fimc-m2m.c +++ b/drivers/media/platform/s5p-fimc/fimc-m2m.c @@ -105,7 +105,7 @@ static void fimc_device_run(void *priv) struct fimc_frame *sf, *df; struct fimc_dev *fimc; unsigned long flags; - u32 ret; + int ret; if (WARN(!ctx, "Null context\n")) return; @@ -439,6 +439,15 @@ static int fimc_m2m_dqbuf(struct file *file, void *fh, return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); } +static int fimc_m2m_expbuf(struct file *file, void *fh, + struct v4l2_exportbuffer *eb) +{ + struct fimc_ctx *ctx = fh_to_ctx(fh); + + return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb); +} + + static int fimc_m2m_streamon(struct file *file, void *fh, enum v4l2_buf_type type) { @@ -607,6 +616,7 @@ static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = { .vidioc_querybuf = fimc_m2m_querybuf, .vidioc_qbuf = fimc_m2m_qbuf, .vidioc_dqbuf = fimc_m2m_dqbuf, + .vidioc_expbuf = fimc_m2m_expbuf, .vidioc_streamon = fimc_m2m_streamon, .vidioc_streamoff = fimc_m2m_streamoff, .vidioc_g_crop = fimc_m2m_g_crop, @@ -622,7 +632,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, int ret; src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; - src_vq->io_modes = VB2_MMAP | VB2_USERPTR; + src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; src_vq->drv_priv = ctx; src_vq->ops = &fimc_qops; src_vq->mem_ops = &vb2_dma_contig_memops; @@ -633,7 +643,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, return ret; dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; - dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; + dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; dst_vq->drv_priv = ctx; dst_vq->ops = &fimc_qops; dst_vq->mem_ops = &vb2_dma_contig_memops; diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c index 0531ab7..1bd5678 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -213,7 +213,7 @@ static int fimc_pipeline_close(struct fimc_pipeline *p) * @pipeline: video pipeline structure * @on: passed as the s_stream call argument */ -int fimc_pipeline_s_stream(struct fimc_pipeline *p, bool on) +static int fimc_pipeline_s_stream(struct fimc_pipeline *p, bool on) { int i, ret; @@ -547,7 +547,7 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd, if (ret) break; - v4l2_info(&fmd->v4l2_dev, "created link [%s] %c> [%s]", + v4l2_info(&fmd->v4l2_dev, "created link [%s] %c> [%s]\n", source->name, flags ? '=' : '-', sink->name); if (flags == 0 || sensor == NULL) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index eb6a70b..6dad9a7 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -636,6 +636,19 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) return -EINVAL; } +/* Export DMA buffer */ +static int vidioc_expbuf(struct file *file, void *priv, + struct v4l2_exportbuffer *eb) +{ + struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); + + if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return vb2_expbuf(&ctx->vq_src, eb); + if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + return vb2_expbuf(&ctx->vq_dst, eb); + return -EINVAL; +} + /* Stream on */ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type type) @@ -813,6 +826,7 @@ static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { .vidioc_querybuf = vidioc_querybuf, .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_expbuf = vidioc_expbuf, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, .vidioc_g_crop = vidioc_g_crop, diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index 2af6d52..f92f6dd 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -1165,6 +1165,19 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) return ret; } +/* Export DMA buffer */ +static int vidioc_expbuf(struct file *file, void *priv, + struct v4l2_exportbuffer *eb) +{ + struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); + + if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return vb2_expbuf(&ctx->vq_src, eb); + if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + return vb2_expbuf(&ctx->vq_dst, eb); + return -EINVAL; +} + /* Stream on */ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type type) @@ -1542,7 +1555,7 @@ int vidioc_encoder_cmd(struct file *file, void *priv, } static int vidioc_subscribe_event(struct v4l2_fh *fh, - struct v4l2_event_subscription *sub) + const struct v4l2_event_subscription *sub) { switch (sub->type) { case V4L2_EVENT_EOS: @@ -1568,6 +1581,7 @@ static const struct v4l2_ioctl_ops s5p_mfc_enc_ioctl_ops = { .vidioc_querybuf = vidioc_querybuf, .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_expbuf = vidioc_expbuf, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, .vidioc_s_parm = vidioc_s_parm, diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c index 367db75..2895333 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c @@ -28,7 +28,7 @@ static struct s5p_mfc_pm *pm; static struct s5p_mfc_dev *p_dev; #ifdef CLK_DEBUG -atomic_t clk_ref; +static atomic_t clk_ref; #endif int s5p_mfc_init_pm(struct s5p_mfc_dev *dev) diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c index 0c1cd89..7379e77 100644 --- a/drivers/media/platform/s5p-tv/mixer_video.c +++ b/drivers/media/platform/s5p-tv/mixer_video.c @@ -19,7 +19,6 @@ #include <linux/videodev2.h> #include <linux/mm.h> #include <linux/module.h> -#include <linux/version.h> #include <linux/timer.h> #include <media/videobuf2-dma-contig.h> @@ -698,6 +697,15 @@ static int mxr_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) return vb2_dqbuf(&layer->vb_queue, p, file->f_flags & O_NONBLOCK); } +static int mxr_expbuf(struct file *file, void *priv, + struct v4l2_exportbuffer *eb) +{ + struct mxr_layer *layer = video_drvdata(file); + + mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__); + return vb2_expbuf(&layer->vb_queue, eb); +} + static int mxr_streamon(struct file *file, void *priv, enum v4l2_buf_type i) { struct mxr_layer *layer = video_drvdata(file); @@ -725,6 +733,7 @@ static const struct v4l2_ioctl_ops mxr_ioctl_ops = { .vidioc_querybuf = mxr_querybuf, .vidioc_qbuf = mxr_qbuf, .vidioc_dqbuf = mxr_dqbuf, + .vidioc_expbuf = mxr_expbuf, /* Streaming control */ .vidioc_streamon = mxr_streamon, .vidioc_streamoff = mxr_streamoff, @@ -1093,7 +1102,7 @@ struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev, layer->vb_queue = (struct vb2_queue) { .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, - .io_modes = VB2_MMAP | VB2_USERPTR, + .io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF, .drv_priv = layer, .buf_struct_size = sizeof(struct mxr_buffer), .ops = &mxr_video_qops, diff --git a/drivers/media/platform/soc_camera/Kconfig b/drivers/media/platform/soc_camera/Kconfig index 9afe1e7..cb6791e 100644 --- a/drivers/media/platform/soc_camera/Kconfig +++ b/drivers/media/platform/soc_camera/Kconfig @@ -19,6 +19,7 @@ config MX1_VIDEO config VIDEO_MX1 tristate "i.MX1/i.MXL CMOS Sensor Interface driver" + depends on BROKEN depends on VIDEO_DEV && ARCH_MX1 && SOC_CAMERA select FIQ select VIDEOBUF_DMA_CONTIG diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index d3f0b84..4e37356 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -645,11 +645,17 @@ static ssize_t soc_camera_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct soc_camera_device *icd = file->private_data; - int err = -EINVAL; + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); + + dev_dbg(icd->pdev, "read called, buf %p\n", buf); + + if (ici->ops->init_videobuf2 && icd->vb2_vidq.io_modes & VB2_READ) + return vb2_read(&icd->vb2_vidq, buf, count, ppos, + file->f_flags & O_NONBLOCK); dev_err(icd->pdev, "camera device read not implemented\n"); - return err; + return -EINVAL; } static int soc_camera_mmap(struct file *file, struct vm_area_struct *vma) @@ -1048,10 +1054,8 @@ static void scan_add_host(struct soc_camera_host *ici) list_for_each_entry(icd, &devices, list) { if (icd->iface == ici->nr) { - int ret; - icd->parent = ici->v4l2_dev.dev; - ret = soc_camera_probe(icd); + soc_camera_probe(icd); } } diff --git a/drivers/media/platform/vivi.c b/drivers/media/platform/vivi.c index b366b05..0d59b9d 100644 --- a/drivers/media/platform/vivi.c +++ b/drivers/media/platform/vivi.c @@ -39,7 +39,6 @@ /* Wake up at about 30 fps */ #define WAKE_NUMERATOR 30 #define WAKE_DENOMINATOR 1001 -#define BUFFER_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */ #define MAX_WIDTH 1920 #define MAX_HEIGHT 1200 @@ -352,11 +351,6 @@ static void precalculate_bars(struct vivi_dev *dev) } } -#define TSTAMP_MIN_Y 24 -#define TSTAMP_MAX_Y (TSTAMP_MIN_Y + 15) -#define TSTAMP_INPUT_X 10 -#define TSTAMP_MIN_X (54 + TSTAMP_INPUT_X) - /* 'odd' is true for pixels 1, 3, 5, etc. and false for pixels 0, 2, 4, etc. */ static void gen_twopix(struct vivi_dev *dev, u8 *buf, int colorpos, bool odd) { @@ -1308,7 +1302,7 @@ static int __init vivi_create_instance(int inst) /* initialize queue */ q = &dev->vb_vidq; q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; + q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; q->drv_priv = dev; q->buf_struct_size = sizeof(struct vivi_buffer); q->ops = &vivi_video_qops; diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c index 12c70e8..a739ad4 100644 --- a/drivers/media/radio/radio-aimslab.c +++ b/drivers/media/radio/radio-aimslab.c @@ -82,7 +82,7 @@ static struct radio_isa_card *rtrack_alloc(void) #define AIMS_BIT_VOL_UP (1 << 6) /* active low */ #define AIMS_BIT_VOL_DN (1 << 7) /* active low */ -void rtrack_set_pins(void *handle, u8 pins) +static void rtrack_set_pins(void *handle, u8 pins) { struct radio_isa_card *isa = handle; struct rtrack *rt = container_of(isa, struct rtrack, isa); diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c index 697a421..643d80a 100644 --- a/drivers/media/radio/radio-cadet.c +++ b/drivers/media/radio/radio-cadet.c @@ -645,7 +645,8 @@ static int __init cadet_init(void) set_bit(V4L2_FL_USE_FH_PRIO, &dev->vdev.flags); video_set_drvdata(&dev->vdev, dev); - if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) + res = video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr); + if (res < 0) goto err_hdl; v4l2_info(v4l2_dev, "ADS Cadet Radio Card at 0x%x\n", dev->io); return 0; diff --git a/drivers/media/radio/radio-isa.c b/drivers/media/radio/radio-isa.c index 3c0067d..84b7b9f 100644 --- a/drivers/media/radio/radio-isa.c +++ b/drivers/media/radio/radio-isa.c @@ -191,7 +191,7 @@ static bool radio_isa_valid_io(const struct radio_isa_driver *drv, int io) return false; } -struct radio_isa_card *radio_isa_alloc(struct radio_isa_driver *drv, +static struct radio_isa_card *radio_isa_alloc(struct radio_isa_driver *drv, struct device *pdev) { struct v4l2_device *v4l2_dev; @@ -207,8 +207,9 @@ struct radio_isa_card *radio_isa_alloc(struct radio_isa_driver *drv, return isa; } -int radio_isa_common_probe(struct radio_isa_card *isa, struct device *pdev, - int radio_nr, unsigned region_size) +static int radio_isa_common_probe(struct radio_isa_card *isa, + struct device *pdev, + int radio_nr, unsigned region_size) { const struct radio_isa_driver *drv = isa->drv; const struct radio_isa_ops *ops = drv->ops; @@ -287,7 +288,8 @@ err_dev_reg: return res; } -int radio_isa_common_remove(struct radio_isa_card *isa, unsigned region_size) +static int radio_isa_common_remove(struct radio_isa_card *isa, + unsigned region_size) { const struct radio_isa_ops *ops = isa->drv->ops; diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 227dcdb5..c260a2a 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -64,7 +64,7 @@ bool pnp_attached; #define FMI_BIT_VOL_SW (1 << 3) #define FMI_BIT_TUN_STRQ (1 << 4) -void fmi_set_pins(void *handle, u8 pins) +static void fmi_set_pins(void *handle, u8 pins) { struct fmi *fmi = handle; u8 bits = FMI_BIT_TUN_STRQ; diff --git a/drivers/media/radio/radio-tea5764.c b/drivers/media/radio/radio-tea5764.c index d0c9053..36aec57 100644 --- a/drivers/media/radio/radio-tea5764.c +++ b/drivers/media/radio/radio-tea5764.c @@ -145,7 +145,7 @@ struct tea5764_device { }; /* I2C code related */ -int tea5764_i2c_read(struct tea5764_device *radio) +static int tea5764_i2c_read(struct tea5764_device *radio) { int i; u16 *p = (u16 *) &radio->regs; @@ -165,7 +165,7 @@ int tea5764_i2c_read(struct tea5764_device *radio) return 0; } -int tea5764_i2c_write(struct tea5764_device *radio) +static int tea5764_i2c_write(struct tea5764_device *radio) { struct tea5764_write_regs wr; struct tea5764_regs *r = &radio->regs; diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c index e3079c1..bd61b3b 100644 --- a/drivers/media/radio/si4713-i2c.c +++ b/drivers/media/radio/si4713-i2c.c @@ -1769,7 +1769,7 @@ exit: } /* si4713_ioctl - deal with private ioctls (only rnl for now) */ -long si4713_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) +static long si4713_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) { struct si4713_device *sdev = to_si4713_device(sd); struct si4713_rnl *rnl = arg; diff --git a/drivers/media/radio/wl128x/fmdrv.h b/drivers/media/radio/wl128x/fmdrv.h index d84ad9d..aac0f02 100644 --- a/drivers/media/radio/wl128x/fmdrv.h +++ b/drivers/media/radio/wl128x/fmdrv.h @@ -60,7 +60,7 @@ #define fmdbg(format, ...) \ printk(KERN_DEBUG "fmdrv: " format, ## __VA_ARGS__) #else /* DEBUG */ -#define fmdbg(format, ...) +#define fmdbg(format, ...) do {} while(0) #endif enum { FM_MODE_OFF, diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c index bf867a6..602ef7a 100644 --- a/drivers/media/radio/wl128x/fmdrv_common.c +++ b/drivers/media/radio/wl128x/fmdrv_common.c @@ -742,7 +742,7 @@ static void fm_irq_handle_rdsdata_getcmd_resp(struct fmdev *fmdev) if ((meta_data & FM_RDS_STATUS_ERR_MASK) != 0) break; - if (blk_idx < FM_RDS_BLK_IDX_A || blk_idx > FM_RDS_BLK_IDX_D) { + if (blk_idx > FM_RDS_BLK_IDX_D) { fmdbg("Block sequence mismatch\n"); rds->last_blk_idx = -1; break; diff --git a/drivers/media/radio/wl128x/fmdrv_rx.c b/drivers/media/radio/wl128x/fmdrv_rx.c index 3dd9fc0..ebf09a3 100644 --- a/drivers/media/radio/wl128x/fmdrv_rx.c +++ b/drivers/media/radio/wl128x/fmdrv_rx.c @@ -305,7 +305,7 @@ int fm_rx_set_volume(struct fmdev *fmdev, u16 vol_to_set) if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; - if (vol_to_set < FM_RX_VOLUME_MIN || vol_to_set > FM_RX_VOLUME_MAX) { + if (vol_to_set > FM_RX_VOLUME_MAX) { fmerr("Volume is not within(%d-%d) range\n", FM_RX_VOLUME_MIN, FM_RX_VOLUME_MAX); return -EINVAL; diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c index 49bb356..2d6fb26 100644 --- a/drivers/media/rc/ati_remote.c +++ b/drivers/media/rc/ati_remote.c @@ -784,7 +784,7 @@ static void ati_remote_rc_init(struct ati_remote *ati_remote) rdev->priv = ati_remote; rdev->driver_type = RC_DRIVER_SCANCODE; - rdev->allowed_protos = RC_TYPE_OTHER; + rdev->allowed_protos = RC_BIT_OTHER; rdev->driver_name = "ati_remote"; rdev->open = ati_remote_rc_open; diff --git a/drivers/media/rc/ene_ir.c b/drivers/media/rc/ene_ir.c index d05ac15..22231dd 100644 --- a/drivers/media/rc/ene_ir.c +++ b/drivers/media/rc/ene_ir.c @@ -329,7 +329,7 @@ static int ene_rx_get_sample_reg(struct ene_device *dev) } /* Sense current received carrier */ -void ene_rx_sense_carrier(struct ene_device *dev) +static void ene_rx_sense_carrier(struct ene_device *dev) { DEFINE_IR_RAW_EVENT(ev); @@ -1003,7 +1003,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id) dev = kzalloc(sizeof(struct ene_device), GFP_KERNEL); rdev = rc_allocate_device(); if (!dev || !rdev) - goto error1; + goto failure; /* validate resources */ error = -ENODEV; @@ -1014,10 +1014,10 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id) if (!pnp_port_valid(pnp_dev, 0) || pnp_port_len(pnp_dev, 0) < ENE_IO_SIZE) - goto error; + goto failure; if (!pnp_irq_valid(pnp_dev, 0)) - goto error; + goto failure; spin_lock_init(&dev->hw_lock); @@ -1033,7 +1033,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id) /* detect hardware version and features */ error = ene_hw_detect(dev); if (error) - goto error; + goto failure; if (!dev->hw_learning_and_tx_capable && txsim) { dev->hw_learning_and_tx_capable = true; @@ -1046,7 +1046,7 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id) learning_mode_force = false; rdev->driver_type = RC_DRIVER_IR_RAW; - rdev->allowed_protos = RC_TYPE_ALL; + rdev->allowed_protos = RC_BIT_ALL; rdev->priv = dev; rdev->open = ene_open; rdev->close = ene_close; @@ -1078,30 +1078,27 @@ static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id) /* claim the resources */ error = -EBUSY; if (!request_region(dev->hw_io, ENE_IO_SIZE, ENE_DRIVER_NAME)) { - dev->hw_io = -1; - dev->irq = -1; - goto error; + goto failure; } dev->irq = pnp_irq(pnp_dev, 0); if (request_irq(dev->irq, ene_isr, IRQF_SHARED, ENE_DRIVER_NAME, (void *)dev)) { - dev->irq = -1; - goto error; + goto failure2; } error = rc_register_device(rdev); if (error < 0) - goto error; + goto failure3; pr_notice("driver has been successfully loaded\n"); return 0; -error: - if (dev && dev->irq >= 0) - free_irq(dev->irq, dev); - if (dev && dev->hw_io >= 0) - release_region(dev->hw_io, ENE_IO_SIZE); -error1: + +failure3: + free_irq(dev->irq, dev); +failure2: + release_region(dev->hw_io, ENE_IO_SIZE); +failure: rc_free_device(rdev); kfree(dev); return error; diff --git a/drivers/media/rc/fintek-cir.c b/drivers/media/rc/fintek-cir.c index 52fd769..936c3f7 100644 --- a/drivers/media/rc/fintek-cir.c +++ b/drivers/media/rc/fintek-cir.c @@ -541,7 +541,7 @@ static int fintek_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id /* Set up the rc device */ rdev->priv = fintek; rdev->driver_type = RC_DRIVER_IR_RAW; - rdev->allowed_protos = RC_TYPE_ALL; + rdev->allowed_protos = RC_BIT_ALL; rdev->open = fintek_open; rdev->close = fintek_close; rdev->input_name = FINTEK_DESCRIPTION; @@ -684,12 +684,12 @@ static struct pnp_driver fintek_driver = { .shutdown = fintek_shutdown, }; -int fintek_init(void) +static int fintek_init(void) { return pnp_register_driver(&fintek_driver); } -void fintek_exit(void) +static void fintek_exit(void) { pnp_unregister_driver(&fintek_driver); } diff --git a/drivers/media/rc/gpio-ir-recv.c b/drivers/media/rc/gpio-ir-recv.c index 04cb272..ba1a1eb 100644 --- a/drivers/media/rc/gpio-ir-recv.c +++ b/drivers/media/rc/gpio-ir-recv.c @@ -95,7 +95,7 @@ static int __devinit gpio_ir_recv_probe(struct platform_device *pdev) if (pdata->allowed_protos) rcdev->allowed_protos = pdata->allowed_protos; else - rcdev->allowed_protos = RC_TYPE_ALL; + rcdev->allowed_protos = RC_BIT_ALL; rcdev->map_name = pdata->map_name ?: RC_MAP_EMPTY; gpio_dev->rcdev = rcdev; diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c index 51d7057..5a9163d 100644 --- a/drivers/media/rc/iguanair.c +++ b/drivers/media/rc/iguanair.c @@ -499,7 +499,7 @@ static int __devinit iguanair_probe(struct usb_interface *intf, usb_to_input_id(ir->udev, &rc->input_id); rc->dev.parent = &intf->dev; rc->driver_type = RC_DRIVER_IR_RAW; - rc->allowed_protos = RC_TYPE_ALL; + rc->allowed_protos = RC_BIT_ALL; rc->priv = ir; rc->open = iguanair_open; rc->close = iguanair_close; diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index 5dd0386..8f6a289 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -1001,7 +1001,7 @@ static void imon_touch_display_timeout(unsigned long data) * it is not, so we must acquire it prior to calling send_packet, which * requires that the lock is held. */ -static int imon_ir_change_protocol(struct rc_dev *rc, u64 rc_type) +static int imon_ir_change_protocol(struct rc_dev *rc, u64 *rc_type) { int retval; struct imon_context *ictx = rc->priv; @@ -1010,31 +1010,27 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 rc_type) unsigned char ir_proto_packet[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86 }; - if (rc_type && !(rc_type & rc->allowed_protos)) + if (*rc_type && !(*rc_type & rc->allowed_protos)) dev_warn(dev, "Looks like you're trying to use an IR protocol " "this device does not support\n"); - switch (rc_type) { - case RC_TYPE_RC6: + if (*rc_type & RC_BIT_RC6_MCE) { dev_dbg(dev, "Configuring IR receiver for MCE protocol\n"); ir_proto_packet[0] = 0x01; - break; - case RC_TYPE_UNKNOWN: - case RC_TYPE_OTHER: + *rc_type = RC_BIT_RC6_MCE; + } else if (*rc_type & RC_BIT_OTHER) { dev_dbg(dev, "Configuring IR receiver for iMON protocol\n"); if (!pad_stabilize) dev_dbg(dev, "PAD stabilize functionality disabled\n"); /* ir_proto_packet[0] = 0x00; // already the default */ - rc_type = RC_TYPE_OTHER; - break; - default: + *rc_type = RC_BIT_OTHER; + } else { dev_warn(dev, "Unsupported IR protocol specified, overriding " "to iMON IR protocol\n"); if (!pad_stabilize) dev_dbg(dev, "PAD stabilize functionality disabled\n"); /* ir_proto_packet[0] = 0x00; // already the default */ - rc_type = RC_TYPE_OTHER; - break; + *rc_type = RC_BIT_OTHER; } memcpy(ictx->usb_tx_buf, &ir_proto_packet, sizeof(ir_proto_packet)); @@ -1048,7 +1044,7 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 rc_type) if (retval) goto out; - ictx->rc_type = rc_type; + ictx->rc_type = *rc_type; ictx->pad_mouse = false; out: @@ -1323,7 +1319,7 @@ static void imon_pad_to_keys(struct imon_context *ictx, unsigned char *buf) rel_x = buf[2]; rel_y = buf[3]; - if (ictx->rc_type == RC_TYPE_OTHER && pad_stabilize) { + if (ictx->rc_type == RC_BIT_OTHER && pad_stabilize) { if ((buf[1] == 0) && ((rel_x != 0) || (rel_y != 0))) { dir = stabilize((int)rel_x, (int)rel_y, timeout, threshold); @@ -1390,7 +1386,7 @@ static void imon_pad_to_keys(struct imon_context *ictx, unsigned char *buf) buf[0] = 0x01; buf[1] = buf[4] = buf[5] = buf[6] = buf[7] = 0; - if (ictx->rc_type == RC_TYPE_OTHER && pad_stabilize) { + if (ictx->rc_type == RC_BIT_OTHER && pad_stabilize) { dir = stabilize((int)rel_x, (int)rel_y, timeout, threshold); if (!dir) { @@ -1511,7 +1507,7 @@ static void imon_incoming_packet(struct imon_context *ictx, kc = imon_panel_key_lookup(scancode); } else { scancode = be32_to_cpu(*((u32 *)buf)); - if (ictx->rc_type == RC_TYPE_RC6) { + if (ictx->rc_type == RC_BIT_RC6_MCE) { ktype = IMON_KEY_IMON; if (buf[0] == 0x80) ktype = IMON_KEY_MCE; @@ -1744,7 +1740,7 @@ static void imon_get_ffdc_type(struct imon_context *ictx) { u8 ffdc_cfg_byte = ictx->usb_rx_buf[6]; u8 detected_display_type = IMON_DISPLAY_TYPE_NONE; - u64 allowed_protos = RC_TYPE_OTHER; + u64 allowed_protos = RC_BIT_OTHER; switch (ffdc_cfg_byte) { /* iMON Knob, no display, iMON IR + vol knob */ @@ -1775,13 +1771,13 @@ static void imon_get_ffdc_type(struct imon_context *ictx) case 0x9e: dev_info(ictx->dev, "0xffdc iMON VFD, MCE IR"); detected_display_type = IMON_DISPLAY_TYPE_VFD; - allowed_protos = RC_TYPE_RC6; + allowed_protos = RC_BIT_RC6_MCE; break; /* iMON LCD, MCE IR */ case 0x9f: dev_info(ictx->dev, "0xffdc iMON LCD, MCE IR"); detected_display_type = IMON_DISPLAY_TYPE_LCD; - allowed_protos = RC_TYPE_RC6; + allowed_protos = RC_BIT_RC6_MCE; break; default: dev_info(ictx->dev, "Unknown 0xffdc device, " @@ -1789,7 +1785,7 @@ static void imon_get_ffdc_type(struct imon_context *ictx) detected_display_type = IMON_DISPLAY_TYPE_VFD; /* We don't know which one it is, allow user to set the * RC6 one from userspace if OTHER wasn't correct. */ - allowed_protos |= RC_TYPE_RC6; + allowed_protos |= RC_BIT_RC6_MCE; break; } @@ -1875,7 +1871,7 @@ static struct rc_dev *imon_init_rdev(struct imon_context *ictx) rdev->priv = ictx; rdev->driver_type = RC_DRIVER_SCANCODE; - rdev->allowed_protos = RC_TYPE_OTHER | RC_TYPE_RC6; /* iMON PAD or MCE */ + rdev->allowed_protos = RC_BIT_OTHER | RC_BIT_RC6_MCE; /* iMON PAD or MCE */ rdev->change_protocol = imon_ir_change_protocol; rdev->driver_name = MOD_NAME; @@ -1893,7 +1889,7 @@ static struct rc_dev *imon_init_rdev(struct imon_context *ictx) imon_set_display_type(ictx); - if (ictx->rc_type == RC_TYPE_RC6) + if (ictx->rc_type == RC_BIT_RC6_MCE) rdev->map_name = RC_MAP_IMON_MCE; else rdev->map_name = RC_MAP_IMON_PAD; diff --git a/drivers/media/rc/ir-jvc-decoder.c b/drivers/media/rc/ir-jvc-decoder.c index 035668e..69edffb 100644 --- a/drivers/media/rc/ir-jvc-decoder.c +++ b/drivers/media/rc/ir-jvc-decoder.c @@ -47,7 +47,7 @@ static int ir_jvc_decode(struct rc_dev *dev, struct ir_raw_event ev) { struct jvc_dec *data = &dev->raw->jvc; - if (!(dev->raw->enabled_protocols & RC_TYPE_JVC)) + if (!(dev->raw->enabled_protocols & RC_BIT_JVC)) return 0; if (!is_timing_event(ev)) { @@ -174,7 +174,7 @@ out: } static struct ir_raw_handler jvc_handler = { - .protocols = RC_TYPE_JVC, + .protocols = RC_BIT_JVC, .decode = ir_jvc_decode, }; diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index 870c930..9945e5e 100644 --- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -35,7 +35,7 @@ static int ir_lirc_decode(struct rc_dev *dev, struct ir_raw_event ev) struct lirc_codec *lirc = &dev->raw->lirc; int sample; - if (!(dev->raw->enabled_protocols & RC_TYPE_LIRC)) + if (!(dev->raw->enabled_protocols & RC_BIT_LIRC)) return 0; if (!dev->raw->lirc.drv || !dev->raw->lirc.drv->rbuf) @@ -408,7 +408,7 @@ static int ir_lirc_unregister(struct rc_dev *dev) } static struct ir_raw_handler lirc_handler = { - .protocols = RC_TYPE_LIRC, + .protocols = RC_BIT_LIRC, .decode = ir_lirc_decode, .raw_register = ir_lirc_register, .raw_unregister = ir_lirc_unregister, diff --git a/drivers/media/rc/ir-mce_kbd-decoder.c b/drivers/media/rc/ir-mce_kbd-decoder.c index 3784ebf..33fafa4 100644 --- a/drivers/media/rc/ir-mce_kbd-decoder.c +++ b/drivers/media/rc/ir-mce_kbd-decoder.c @@ -216,7 +216,7 @@ static int ir_mce_kbd_decode(struct rc_dev *dev, struct ir_raw_event ev) u32 scancode; unsigned long delay; - if (!(dev->raw->enabled_protocols & RC_TYPE_MCE_KBD)) + if (!(dev->raw->enabled_protocols & RC_BIT_MCE_KBD)) return 0; if (!is_timing_event(ev)) { @@ -422,7 +422,7 @@ static int ir_mce_kbd_unregister(struct rc_dev *dev) } static struct ir_raw_handler mce_kbd_handler = { - .protocols = RC_TYPE_MCE_KBD, + .protocols = RC_BIT_MCE_KBD, .decode = ir_mce_kbd_decode, .raw_register = ir_mce_kbd_register, .raw_unregister = ir_mce_kbd_unregister, diff --git a/drivers/media/rc/ir-nec-decoder.c b/drivers/media/rc/ir-nec-decoder.c index 2ca509e..a47ee36 100644 --- a/drivers/media/rc/ir-nec-decoder.c +++ b/drivers/media/rc/ir-nec-decoder.c @@ -52,7 +52,7 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev) u8 address, not_address, command, not_command; bool send_32bits = false; - if (!(dev->raw->enabled_protocols & RC_TYPE_NEC)) + if (!(dev->raw->enabled_protocols & RC_BIT_NEC)) return 0; if (!is_timing_event(ev)) { @@ -201,7 +201,7 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev) } static struct ir_raw_handler nec_handler = { - .protocols = RC_TYPE_NEC, + .protocols = RC_BIT_NEC, .decode = ir_nec_decode, }; diff --git a/drivers/media/rc/ir-rc5-decoder.c b/drivers/media/rc/ir-rc5-decoder.c index 9ab663a..5b4d1dd 100644 --- a/drivers/media/rc/ir-rc5-decoder.c +++ b/drivers/media/rc/ir-rc5-decoder.c @@ -52,8 +52,8 @@ static int ir_rc5_decode(struct rc_dev *dev, struct ir_raw_event ev) u8 toggle; u32 scancode; - if (!(dev->raw->enabled_protocols & RC_TYPE_RC5)) - return 0; + if (!(dev->raw->enabled_protocols & (RC_BIT_RC5 | RC_BIT_RC5X))) + return 0; if (!is_timing_event(ev)) { if (ev.reset) @@ -128,6 +128,10 @@ again: if (data->wanted_bits == RC5X_NBITS) { /* RC5X */ u8 xdata, command, system; + if (!(dev->raw->enabled_protocols & RC_BIT_RC5X)) { + data->state = STATE_INACTIVE; + return 0; + } xdata = (data->bits & 0x0003F) >> 0; command = (data->bits & 0x00FC0) >> 6; system = (data->bits & 0x1F000) >> 12; @@ -141,6 +145,10 @@ again: } else { /* RC5 */ u8 command, system; + if (!(dev->raw->enabled_protocols & RC_BIT_RC5)) { + data->state = STATE_INACTIVE; + return 0; + } command = (data->bits & 0x0003F) >> 0; system = (data->bits & 0x007C0) >> 6; toggle = (data->bits & 0x00800) ? 1 : 0; @@ -164,7 +172,7 @@ out: } static struct ir_raw_handler rc5_handler = { - .protocols = RC_TYPE_RC5, + .protocols = RC_BIT_RC5 | RC_BIT_RC5X, .decode = ir_rc5_decode, }; diff --git a/drivers/media/rc/ir-rc5-sz-decoder.c b/drivers/media/rc/ir-rc5-sz-decoder.c index ec8d4a2..fd807a8 100644 --- a/drivers/media/rc/ir-rc5-sz-decoder.c +++ b/drivers/media/rc/ir-rc5-sz-decoder.c @@ -48,8 +48,8 @@ static int ir_rc5_sz_decode(struct rc_dev *dev, struct ir_raw_event ev) u8 toggle, command, system; u32 scancode; - if (!(dev->raw->enabled_protocols & RC_TYPE_RC5_SZ)) - return 0; + if (!(dev->raw->enabled_protocols & RC_BIT_RC5_SZ)) + return 0; if (!is_timing_event(ev)) { if (ev.reset) @@ -128,7 +128,7 @@ out: } static struct ir_raw_handler rc5_sz_handler = { - .protocols = RC_TYPE_RC5_SZ, + .protocols = RC_BIT_RC5_SZ, .decode = ir_rc5_sz_decode, }; diff --git a/drivers/media/rc/ir-rc6-decoder.c b/drivers/media/rc/ir-rc6-decoder.c index 4cfdd7f..e19072f 100644 --- a/drivers/media/rc/ir-rc6-decoder.c +++ b/drivers/media/rc/ir-rc6-decoder.c @@ -89,7 +89,9 @@ static int ir_rc6_decode(struct rc_dev *dev, struct ir_raw_event ev) u32 scancode; u8 toggle; - if (!(dev->raw->enabled_protocols & RC_TYPE_RC6)) + if (!(dev->raw->enabled_protocols & + (RC_BIT_RC6_0 | RC_BIT_RC6_6A_20 | RC_BIT_RC6_6A_24 | + RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE))) return 0; if (!is_timing_event(ev)) { @@ -271,7 +273,9 @@ out: } static struct ir_raw_handler rc6_handler = { - .protocols = RC_TYPE_RC6, + .protocols = RC_BIT_RC6_0 | RC_BIT_RC6_6A_20 | + RC_BIT_RC6_6A_24 | RC_BIT_RC6_6A_32 | + RC_BIT_RC6_MCE, .decode = ir_rc6_decode, }; diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c index 82e6c1e..9e76c7b 100644 --- a/drivers/media/rc/ir-rx51.c +++ b/drivers/media/rc/ir-rx51.c @@ -479,18 +479,7 @@ struct platform_driver lirc_rx51_platform_driver = { .owner = THIS_MODULE, }, }; - -static int __init lirc_rx51_init(void) -{ - return platform_driver_register(&lirc_rx51_platform_driver); -} -module_init(lirc_rx51_init); - -static void __exit lirc_rx51_exit(void) -{ - platform_driver_unregister(&lirc_rx51_platform_driver); -} -module_exit(lirc_rx51_exit); +module_platform_driver(lirc_rx51_platform_driver); MODULE_DESCRIPTION("LIRC TX driver for Nokia RX51"); MODULE_AUTHOR("Nokia Corporation"); diff --git a/drivers/media/rc/ir-sanyo-decoder.c b/drivers/media/rc/ir-sanyo-decoder.c index 7e54ec5..7e69a3b 100644 --- a/drivers/media/rc/ir-sanyo-decoder.c +++ b/drivers/media/rc/ir-sanyo-decoder.c @@ -58,7 +58,7 @@ static int ir_sanyo_decode(struct rc_dev *dev, struct ir_raw_event ev) u32 scancode; u8 address, command, not_command; - if (!(dev->raw->enabled_protocols & RC_TYPE_SANYO)) + if (!(dev->raw->enabled_protocols & RC_BIT_SANYO)) return 0; if (!is_timing_event(ev)) { @@ -179,7 +179,7 @@ static int ir_sanyo_decode(struct rc_dev *dev, struct ir_raw_event ev) } static struct ir_raw_handler sanyo_handler = { - .protocols = RC_TYPE_SANYO, + .protocols = RC_BIT_SANYO, .decode = ir_sanyo_decode, }; diff --git a/drivers/media/rc/ir-sony-decoder.c b/drivers/media/rc/ir-sony-decoder.c index dab98b37..fb91434 100644 --- a/drivers/media/rc/ir-sony-decoder.c +++ b/drivers/media/rc/ir-sony-decoder.c @@ -45,7 +45,8 @@ static int ir_sony_decode(struct rc_dev *dev, struct ir_raw_event ev) u32 scancode; u8 device, subdevice, function; - if (!(dev->raw->enabled_protocols & RC_TYPE_SONY)) + if (!(dev->raw->enabled_protocols & + (RC_BIT_SONY12 | RC_BIT_SONY15 | RC_BIT_SONY20))) return 0; if (!is_timing_event(ev)) { @@ -123,16 +124,28 @@ static int ir_sony_decode(struct rc_dev *dev, struct ir_raw_event ev) switch (data->count) { case 12: + if (!(dev->raw->enabled_protocols & RC_BIT_SONY12)) { + data->state = STATE_INACTIVE; + return 0; + } device = bitrev8((data->bits << 3) & 0xF8); subdevice = 0; function = bitrev8((data->bits >> 4) & 0xFE); break; case 15: + if (!(dev->raw->enabled_protocols & RC_BIT_SONY15)) { + data->state = STATE_INACTIVE; + return 0; + } device = bitrev8((data->bits >> 0) & 0xFF); subdevice = 0; function = bitrev8((data->bits >> 7) & 0xFE); break; case 20: + if (!(dev->raw->enabled_protocols & RC_BIT_SONY20)) { + data->state = STATE_INACTIVE; + return 0; + } device = bitrev8((data->bits >> 5) & 0xF8); subdevice = bitrev8((data->bits >> 0) & 0xFF); function = bitrev8((data->bits >> 12) & 0xFE); @@ -157,7 +170,7 @@ out: } static struct ir_raw_handler sony_handler = { - .protocols = RC_TYPE_SONY, + .protocols = RC_BIT_SONY12 | RC_BIT_SONY15 | RC_BIT_SONY20, .decode = ir_sony_decode, }; diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index 24c77a4..5e5a7f2 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -1563,7 +1563,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id /* set up ir-core props */ rdev->priv = itdev; rdev->driver_type = RC_DRIVER_IR_RAW; - rdev->allowed_protos = RC_TYPE_ALL; + rdev->allowed_protos = RC_BIT_ALL; rdev->open = ite_open; rdev->close = ite_close; rdev->s_idle = ite_s_idle; @@ -1708,12 +1708,12 @@ static struct pnp_driver ite_driver = { .shutdown = ite_shutdown, }; -int ite_init(void) +static int ite_init(void) { return pnp_register_driver(&ite_driver); } -void ite_exit(void) +static void ite_exit(void) { pnp_unregister_driver(&ite_driver); } diff --git a/drivers/media/rc/keymaps/rc-imon-mce.c b/drivers/media/rc/keymaps/rc-imon-mce.c index 124c722..f0da960 100644 --- a/drivers/media/rc/keymaps/rc-imon-mce.c +++ b/drivers/media/rc/keymaps/rc-imon-mce.c @@ -121,7 +121,7 @@ static struct rc_map_list imon_mce_map = { .scan = imon_mce, .size = ARRAY_SIZE(imon_mce), /* its RC6, but w/a hardware decoder */ - .rc_type = RC_TYPE_RC6, + .rc_type = RC_TYPE_RC6_MCE, .name = RC_MAP_IMON_MCE, } }; diff --git a/drivers/media/rc/keymaps/rc-rc6-mce.c b/drivers/media/rc/keymaps/rc-rc6-mce.c index 753e43e..ef4006f 100644 --- a/drivers/media/rc/keymaps/rc-rc6-mce.c +++ b/drivers/media/rc/keymaps/rc-rc6-mce.c @@ -97,7 +97,7 @@ static struct rc_map_list rc6_mce_map = { .map = { .scan = rc6_mce, .size = ARRAY_SIZE(rc6_mce), - .rc_type = RC_TYPE_RC6, + .rc_type = RC_TYPE_RC6_MCE, .name = RC_MAP_RC6_MCE, } }; diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 850547f..b2146cd 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -1205,7 +1205,7 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir) rc->dev.parent = dev; rc->priv = ir; rc->driver_type = RC_DRIVER_IR_RAW; - rc->allowed_protos = RC_TYPE_ALL; + rc->allowed_protos = RC_BIT_ALL; rc->timeout = MS_TO_NS(100); if (!ir->flags.no_tx) { rc->s_tx_mask = mceusb_set_tx_mask; diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index 2ea913a..e4ea89a 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -472,6 +472,7 @@ static void nvt_enable_wake(struct nvt_dev *nvt) nvt_cir_wake_reg_write(nvt, 0, CIR_WAKE_IREN); } +#if 0 /* Currently unused */ /* rx carrier detect only works in learning mode, must be called w/nvt_lock */ static u32 nvt_rx_carrier_detect(struct nvt_dev *nvt) { @@ -504,7 +505,7 @@ static u32 nvt_rx_carrier_detect(struct nvt_dev *nvt) return carrier; } - +#endif /* * set carrier frequency * @@ -620,7 +621,6 @@ static void nvt_dump_rx_buf(struct nvt_dev *nvt) static void nvt_process_rx_ir_data(struct nvt_dev *nvt) { DEFINE_IR_RAW_EVENT(rawir); - u32 carrier; u8 sample; int i; @@ -629,9 +629,6 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt) if (debug) nvt_dump_rx_buf(nvt); - if (nvt->carrier_detect_enabled) - carrier = nvt_rx_carrier_detect(nvt); - nvt_dbg_verbose("Processing buffer of len %d", nvt->pkts); init_ir_raw_event(&rawir); @@ -1045,7 +1042,7 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) /* Set up the rc device */ rdev->priv = nvt; rdev->driver_type = RC_DRIVER_IR_RAW; - rdev->allowed_protos = RC_TYPE_ALL; + rdev->allowed_protos = RC_BIT_ALL; rdev->open = nvt_open; rdev->close = nvt_close; rdev->tx_ir = nvt_tx_ir; @@ -1220,12 +1217,12 @@ static struct pnp_driver nvt_driver = { .shutdown = nvt_shutdown, }; -int nvt_init(void) +static int nvt_init(void) { return pnp_register_driver(&nvt_driver); } -void nvt_exit(void) +static void nvt_exit(void) { pnp_unregister_driver(&nvt_driver); } diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h index 0d5e087..7c3674f 100644 --- a/drivers/media/rc/nuvoton-cir.h +++ b/drivers/media/rc/nuvoton-cir.h @@ -103,7 +103,6 @@ struct nvt_dev { /* rx settings */ bool learning_enabled; - bool carrier_detect_enabled; /* track cir wake state */ u8 wake_state; diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c index f9be681..53d0282 100644 --- a/drivers/media/rc/rc-loopback.c +++ b/drivers/media/rc/rc-loopback.c @@ -195,7 +195,7 @@ static int __init loop_init(void) rc->map_name = RC_MAP_EMPTY; rc->priv = &loopdev; rc->driver_type = RC_DRIVER_IR_RAW; - rc->allowed_protos = RC_TYPE_ALL; + rc->allowed_protos = RC_BIT_ALL; rc->timeout = 100 * 1000 * 1000; /* 100 ms */ rc->min_timeout = 1; rc->max_timeout = UINT_MAX; diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index cabc19c..601d1ac1 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -725,25 +725,36 @@ static struct class ir_input_class = { .devnode = ir_devnode, }; +/* + * These are the protocol textual descriptions that are + * used by the sysfs protocols file. Note that the order + * of the entries is relevant. + */ static struct { u64 type; char *name; } proto_names[] = { - { RC_TYPE_UNKNOWN, "unknown" }, - { RC_TYPE_RC5, "rc-5" }, - { RC_TYPE_NEC, "nec" }, - { RC_TYPE_RC6, "rc-6" }, - { RC_TYPE_JVC, "jvc" }, - { RC_TYPE_SONY, "sony" }, - { RC_TYPE_RC5_SZ, "rc-5-sz" }, - { RC_TYPE_SANYO, "sanyo" }, - { RC_TYPE_MCE_KBD, "mce_kbd" }, - { RC_TYPE_LIRC, "lirc" }, - { RC_TYPE_OTHER, "other" }, + { RC_BIT_NONE, "none" }, + { RC_BIT_OTHER, "other" }, + { RC_BIT_UNKNOWN, "unknown" }, + { RC_BIT_RC5 | + RC_BIT_RC5X, "rc-5" }, + { RC_BIT_NEC, "nec" }, + { RC_BIT_RC6_0 | + RC_BIT_RC6_6A_20 | + RC_BIT_RC6_6A_24 | + RC_BIT_RC6_6A_32 | + RC_BIT_RC6_MCE, "rc-6" }, + { RC_BIT_JVC, "jvc" }, + { RC_BIT_SONY12 | + RC_BIT_SONY15 | + RC_BIT_SONY20, "sony" }, + { RC_BIT_RC5_SZ, "rc-5-sz" }, + { RC_BIT_SANYO, "sanyo" }, + { RC_BIT_MCE_KBD, "mce_kbd" }, + { RC_BIT_LIRC, "lirc" }, }; -#define PROTO_NONE "none" - /** * show_protocols() - shows the current IR protocol(s) * @device: the device descriptor @@ -790,6 +801,9 @@ static ssize_t show_protocols(struct device *device, tmp += sprintf(tmp, "[%s] ", proto_names[i].name); else if (allowed & proto_names[i].type) tmp += sprintf(tmp, "%s ", proto_names[i].name); + + if (allowed & proto_names[i].type) + allowed &= ~proto_names[i].type; } if (tmp != buf) @@ -867,26 +881,20 @@ static ssize_t store_protocols(struct device *device, disable = false; } - if (!enable && !disable && !strncasecmp(tmp, PROTO_NONE, sizeof(PROTO_NONE))) { - tmp += sizeof(PROTO_NONE); - mask = 0; - count++; - } else { - for (i = 0; i < ARRAY_SIZE(proto_names); i++) { - if (!strcasecmp(tmp, proto_names[i].name)) { - tmp += strlen(proto_names[i].name); - mask = proto_names[i].type; - break; - } - } - if (i == ARRAY_SIZE(proto_names)) { - IR_dprintk(1, "Unknown protocol: '%s'\n", tmp); - ret = -EINVAL; - goto out; + for (i = 0; i < ARRAY_SIZE(proto_names); i++) { + if (!strcasecmp(tmp, proto_names[i].name)) { + mask = proto_names[i].type; + break; } - count++; } + if (i == ARRAY_SIZE(proto_names)) { + IR_dprintk(1, "Unknown protocol: '%s'\n", tmp); + return -EINVAL; + } + + count++; + if (enable) type |= mask; else if (disable) @@ -902,7 +910,7 @@ static ssize_t store_protocols(struct device *device, } if (dev->change_protocol) { - rc = dev->change_protocol(dev, type); + rc = dev->change_protocol(dev, &type); if (rc < 0) { IR_dprintk(1, "Error setting protocols to 0x%llx\n", (long long)type); @@ -1117,7 +1125,8 @@ int rc_register_device(struct rc_dev *dev) } if (dev->change_protocol) { - rc = dev->change_protocol(dev, rc_map->rc_type); + u64 rc_type = (1 << rc_map->rc_type); + rc = dev->change_protocol(dev, &rc_type); if (rc < 0) goto out_raw; } diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c index 9f5a17b..a8887ab 100644 --- a/drivers/media/rc/redrat3.c +++ b/drivers/media/rc/redrat3.c @@ -1082,7 +1082,7 @@ static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3) rc->dev.parent = dev; rc->priv = rr3; rc->driver_type = RC_DRIVER_IR_RAW; - rc->allowed_protos = RC_TYPE_ALL; + rc->allowed_protos = RC_BIT_ALL; rc->timeout = US_TO_NS(2750); rc->tx_ir = redrat3_transmit_ir; rc->s_tx_carrier = redrat3_set_tx_carrier; diff --git a/drivers/media/rc/streamzap.c b/drivers/media/rc/streamzap.c index d6f4bfe..c720f12 100644 --- a/drivers/media/rc/streamzap.c +++ b/drivers/media/rc/streamzap.c @@ -322,7 +322,7 @@ static struct rc_dev *streamzap_init_rc_dev(struct streamzap_ir *sz) rdev->dev.parent = dev; rdev->priv = sz; rdev->driver_type = RC_DRIVER_IR_RAW; - rdev->allowed_protos = RC_TYPE_ALL; + rdev->allowed_protos = RC_BIT_ALL; rdev->driver_name = DRIVER_NAME; rdev->map_name = RC_MAP_STREAMZAP; diff --git a/drivers/media/rc/ttusbir.c b/drivers/media/rc/ttusbir.c index fef0523..f0921b5 100644 --- a/drivers/media/rc/ttusbir.c +++ b/drivers/media/rc/ttusbir.c @@ -316,7 +316,7 @@ static int __devinit ttusbir_probe(struct usb_interface *intf, usb_to_input_id(tt->udev, &rc->input_id); rc->dev.parent = &intf->dev; rc->driver_type = RC_DRIVER_IR_RAW; - rc->allowed_protos = RC_TYPE_ALL; + rc->allowed_protos = RC_BIT_ALL; rc->priv = tt; rc->driver_name = DRIVER_NAME; rc->map_name = RC_MAP_TT_1500; diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c index 7c9b5f3..7f3c476 100644 --- a/drivers/media/rc/winbond-cir.c +++ b/drivers/media/rc/winbond-cir.c @@ -7,6 +7,7 @@ * with minor modifications. * * Original Author: David Härdeman <david@hardeman.nu> + * Copyright (C) 2012 Sean Young <sean@mess.org> * Copyright (C) 2009 - 2011 David Härdeman <david@hardeman.nu> * * Dedicated to my daughter Matilda, without whose loving attention this @@ -22,9 +23,7 @@ * o IR Receive * o IR Transmit * o Wake-On-CIR functionality - * - * To do: - * o Learning + * o Carrier detection * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -149,6 +148,12 @@ #define WBCIR_REGSEL_MASK 0x20 /* Starting address of selected register in WBCIR_REG_WCEIR_INDEX */ #define WBCIR_REG_ADDR0 0x00 +/* Enable carrier counter */ +#define WBCIR_CNTR_EN 0x01 +/* Reset carrier counter */ +#define WBCIR_CNTR_R 0x02 +/* Invert TX */ +#define WBCIR_IRTX_INV 0x04 /* Valid banks for the SP3 UART */ enum wbcir_bank { @@ -184,7 +189,7 @@ enum wbcir_txstate { }; /* Misc */ -#define WBCIR_NAME "winbond-cir" +#define WBCIR_NAME "Winbond CIR" #define WBCIR_ID_FAMILY 0xF1 /* Family ID for the WPCD376I */ #define WBCIR_ID_CHIP 0x04 /* Chip ID for the WPCD376I */ #define INVALID_SCANCODE 0x7FFFFFFF /* Invalid with all protos */ @@ -207,7 +212,8 @@ struct wbcir_data { /* RX state */ enum wbcir_rxstate rxstate; struct led_trigger *rxtrigger; - struct ir_raw_event rxev; + int carrier_report_enabled; + u32 pulse_duration; /* TX state */ enum wbcir_txstate txstate; @@ -330,6 +336,30 @@ wbcir_to_rc6cells(u8 val) *****************************************************************************/ static void +wbcir_carrier_report(struct wbcir_data *data) +{ + unsigned counter = inb(data->ebase + WBCIR_REG_ECEIR_CNT_LO) | + inb(data->ebase + WBCIR_REG_ECEIR_CNT_HI) << 8; + + if (counter > 0 && counter < 0xffff) { + DEFINE_IR_RAW_EVENT(ev); + + ev.carrier_report = 1; + ev.carrier = DIV_ROUND_CLOSEST(counter * 1000000u, + data->pulse_duration); + + ir_raw_event_store(data->dev, &ev); + } + + /* reset and restart the counter */ + data->pulse_duration = 0; + wbcir_set_bits(data->ebase + WBCIR_REG_ECEIR_CCTL, WBCIR_CNTR_R, + WBCIR_CNTR_EN | WBCIR_CNTR_R); + wbcir_set_bits(data->ebase + WBCIR_REG_ECEIR_CCTL, WBCIR_CNTR_EN, + WBCIR_CNTR_EN | WBCIR_CNTR_R); +} + +static void wbcir_idle_rx(struct rc_dev *dev, bool idle) { struct wbcir_data *data = dev->priv; @@ -339,9 +369,16 @@ wbcir_idle_rx(struct rc_dev *dev, bool idle) led_trigger_event(data->rxtrigger, LED_FULL); } - if (idle && data->rxstate != WBCIR_RXSTATE_INACTIVE) + if (idle && data->rxstate != WBCIR_RXSTATE_INACTIVE) { + data->rxstate = WBCIR_RXSTATE_INACTIVE; + led_trigger_event(data->rxtrigger, LED_OFF); + + if (data->carrier_report_enabled) + wbcir_carrier_report(data); + /* Tell hardware to go idle by setting RXINACTIVE */ outb(WBCIR_RX_DISABLE, data->sbase + WBCIR_REG_SP3_ASCR); + } } static void @@ -349,21 +386,22 @@ wbcir_irq_rx(struct wbcir_data *data, struct pnp_dev *device) { u8 irdata; DEFINE_IR_RAW_EVENT(rawir); + unsigned duration; /* Since RXHDLEV is set, at least 8 bytes are in the FIFO */ while (inb(data->sbase + WBCIR_REG_SP3_LSR) & WBCIR_RX_AVAIL) { irdata = inb(data->sbase + WBCIR_REG_SP3_RXDATA); if (data->rxstate == WBCIR_RXSTATE_ERROR) continue; + + duration = ((irdata & 0x7F) + 1) * 2; rawir.pulse = irdata & 0x80 ? false : true; - rawir.duration = US_TO_NS(((irdata & 0x7F) + 1) * 10); - ir_raw_event_store_with_filter(data->dev, &rawir); - } + rawir.duration = US_TO_NS(duration); - /* Check if we should go idle */ - if (data->dev->idle) { - led_trigger_event(data->rxtrigger, LED_OFF); - data->rxstate = WBCIR_RXSTATE_INACTIVE; + if (rawir.pulse) + data->pulse_duration += duration; + + ir_raw_event_store_with_filter(data->dev, &rawir); } ir_raw_event_handle(data->dev); @@ -492,6 +530,33 @@ wbcir_irq_handler(int irqno, void *cookie) *****************************************************************************/ static int +wbcir_set_carrier_report(struct rc_dev *dev, int enable) +{ + struct wbcir_data *data = dev->priv; + unsigned long flags; + + spin_lock_irqsave(&data->spinlock, flags); + + if (data->carrier_report_enabled == enable) { + spin_unlock_irqrestore(&data->spinlock, flags); + return 0; + } + + data->pulse_duration = 0; + wbcir_set_bits(data->ebase + WBCIR_REG_ECEIR_CCTL, WBCIR_CNTR_R, + WBCIR_CNTR_EN | WBCIR_CNTR_R); + + if (enable && data->dev->idle) + wbcir_set_bits(data->ebase + WBCIR_REG_ECEIR_CCTL, + WBCIR_CNTR_EN, WBCIR_CNTR_EN | WBCIR_CNTR_R); + + data->carrier_report_enabled = enable; + spin_unlock_irqrestore(&data->spinlock, flags); + + return 0; +} + +static int wbcir_txcarrier(struct rc_dev *dev, u32 carrier) { struct wbcir_data *data = dev->priv; @@ -837,7 +902,7 @@ wbcir_init_hw(struct wbcir_data *data) /* Set IRTX_INV */ if (invert) - outb(0x04, data->ebase + WBCIR_REG_ECEIR_CCTL); + outb(WBCIR_IRTX_INV, data->ebase + WBCIR_REG_ECEIR_CCTL); else outb(0x00, data->ebase + WBCIR_REG_ECEIR_CCTL); @@ -866,8 +931,8 @@ wbcir_init_hw(struct wbcir_data *data) /* prescaler 1.0, tx/rx fifo lvl 16 */ outb(0x30, data->sbase + WBCIR_REG_SP3_EXCR2); - /* Set baud divisor to sample every 10 us */ - outb(0x0F, data->sbase + WBCIR_REG_SP3_BGDL); + /* Set baud divisor to sample every 2 ns */ + outb(0x03, data->sbase + WBCIR_REG_SP3_BGDL); outb(0x00, data->sbase + WBCIR_REG_SP3_BGDH); /* Set CEIR mode */ @@ -876,9 +941,12 @@ wbcir_init_hw(struct wbcir_data *data) inb(data->sbase + WBCIR_REG_SP3_LSR); /* Clear LSR */ inb(data->sbase + WBCIR_REG_SP3_MSR); /* Clear MSR */ - /* Disable RX demod, enable run-length enc/dec, set freq span */ + /* + * Disable RX demod, enable run-length enc/dec, set freq span and + * enable over-sampling + */ wbcir_select_bank(data, WBCIR_BANK_7); - outb(0x90, data->sbase + WBCIR_REG_SP3_RCCFG); + outb(0xd0, data->sbase + WBCIR_REG_SP3_RCCFG); /* Disable timer */ wbcir_select_bank(data, WBCIR_BANK_4); @@ -915,9 +983,8 @@ wbcir_init_hw(struct wbcir_data *data) /* Clear RX state */ data->rxstate = WBCIR_RXSTATE_INACTIVE; - data->rxev.duration = 0; ir_raw_event_reset(data->dev); - ir_raw_event_handle(data->dev); + ir_raw_event_set_idle(data->dev, true); /* Clear TX state */ if (data->txstate == WBCIR_TXSTATE_ACTIVE) { @@ -1007,7 +1074,7 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id) } data->dev->driver_type = RC_DRIVER_IR_RAW; - data->dev->driver_name = WBCIR_NAME; + data->dev->driver_name = DRVNAME; data->dev->input_name = WBCIR_NAME; data->dev->input_phys = "wbcir/cir0"; data->dev->input_id.bustype = BUS_HOST; @@ -1016,13 +1083,15 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id) data->dev->input_id.version = WBCIR_ID_CHIP; data->dev->map_name = RC_MAP_RC6_MCE; data->dev->s_idle = wbcir_idle_rx; + data->dev->s_carrier_report = wbcir_set_carrier_report; data->dev->s_tx_mask = wbcir_txmask; data->dev->s_tx_carrier = wbcir_txcarrier; data->dev->tx_ir = wbcir_tx; data->dev->priv = data; data->dev->dev.parent = &device->dev; data->dev->timeout = MS_TO_NS(100); - data->dev->allowed_protos = RC_TYPE_ALL; + data->dev->rx_resolution = US_TO_NS(2); + data->dev->allowed_protos = RC_BIT_ALL; if (!request_region(data->wbase, WAKEUP_IOMEM_LEN, DRVNAME)) { dev_err(dev, "Region 0x%lx-0x%lx already in use!\n", diff --git a/drivers/media/tuners/fc2580.c b/drivers/media/tuners/fc2580.c index aff39ae..81f38aa 100644 --- a/drivers/media/tuners/fc2580.c +++ b/drivers/media/tuners/fc2580.c @@ -35,8 +35,6 @@ * Currently it blind writes bunch of static registers from the * fc2580_freq_regs_lut[] when fc2580_set_params() is called. Add some * logic to reduce unneeded register writes. - * There is also don't-care registers, initialized with value 0xff, and those - * are also written to the chip currently (yes, not wise). */ /* write multiple registers */ @@ -111,6 +109,17 @@ static int fc2580_rd_reg(struct fc2580_priv *priv, u8 reg, u8 *val) return fc2580_rd_regs(priv, reg, val, 1); } +/* write single register conditionally only when value differs from 0xff + * XXX: This is special routine meant only for writing fc2580_freq_regs_lut[] + * values. Do not use for the other purposes. */ +static int fc2580_wr_reg_ff(struct fc2580_priv *priv, u8 reg, u8 val) +{ + if (val == 0xff) + return 0; + else + return fc2580_wr_regs(priv, reg, &val, 1); +} + static int fc2580_set_params(struct dvb_frontend *fe) { struct fc2580_priv *priv = fe->tuner_priv; @@ -213,99 +222,99 @@ static int fc2580_set_params(struct dvb_frontend *fe) if (i == ARRAY_SIZE(fc2580_freq_regs_lut)) goto err; - ret = fc2580_wr_reg(priv, 0x25, fc2580_freq_regs_lut[i].r25_val); + ret = fc2580_wr_reg_ff(priv, 0x25, fc2580_freq_regs_lut[i].r25_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x27, fc2580_freq_regs_lut[i].r27_val); + ret = fc2580_wr_reg_ff(priv, 0x27, fc2580_freq_regs_lut[i].r27_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x28, fc2580_freq_regs_lut[i].r28_val); + ret = fc2580_wr_reg_ff(priv, 0x28, fc2580_freq_regs_lut[i].r28_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x29, fc2580_freq_regs_lut[i].r29_val); + ret = fc2580_wr_reg_ff(priv, 0x29, fc2580_freq_regs_lut[i].r29_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x2b, fc2580_freq_regs_lut[i].r2b_val); + ret = fc2580_wr_reg_ff(priv, 0x2b, fc2580_freq_regs_lut[i].r2b_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x2c, fc2580_freq_regs_lut[i].r2c_val); + ret = fc2580_wr_reg_ff(priv, 0x2c, fc2580_freq_regs_lut[i].r2c_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x2d, fc2580_freq_regs_lut[i].r2d_val); + ret = fc2580_wr_reg_ff(priv, 0x2d, fc2580_freq_regs_lut[i].r2d_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x30, fc2580_freq_regs_lut[i].r30_val); + ret = fc2580_wr_reg_ff(priv, 0x30, fc2580_freq_regs_lut[i].r30_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x44, fc2580_freq_regs_lut[i].r44_val); + ret = fc2580_wr_reg_ff(priv, 0x44, fc2580_freq_regs_lut[i].r44_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x50, fc2580_freq_regs_lut[i].r50_val); + ret = fc2580_wr_reg_ff(priv, 0x50, fc2580_freq_regs_lut[i].r50_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x53, fc2580_freq_regs_lut[i].r53_val); + ret = fc2580_wr_reg_ff(priv, 0x53, fc2580_freq_regs_lut[i].r53_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x5f, fc2580_freq_regs_lut[i].r5f_val); + ret = fc2580_wr_reg_ff(priv, 0x5f, fc2580_freq_regs_lut[i].r5f_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x61, fc2580_freq_regs_lut[i].r61_val); + ret = fc2580_wr_reg_ff(priv, 0x61, fc2580_freq_regs_lut[i].r61_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x62, fc2580_freq_regs_lut[i].r62_val); + ret = fc2580_wr_reg_ff(priv, 0x62, fc2580_freq_regs_lut[i].r62_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x63, fc2580_freq_regs_lut[i].r63_val); + ret = fc2580_wr_reg_ff(priv, 0x63, fc2580_freq_regs_lut[i].r63_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x67, fc2580_freq_regs_lut[i].r67_val); + ret = fc2580_wr_reg_ff(priv, 0x67, fc2580_freq_regs_lut[i].r67_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x68, fc2580_freq_regs_lut[i].r68_val); + ret = fc2580_wr_reg_ff(priv, 0x68, fc2580_freq_regs_lut[i].r68_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x69, fc2580_freq_regs_lut[i].r69_val); + ret = fc2580_wr_reg_ff(priv, 0x69, fc2580_freq_regs_lut[i].r69_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x6a, fc2580_freq_regs_lut[i].r6a_val); + ret = fc2580_wr_reg_ff(priv, 0x6a, fc2580_freq_regs_lut[i].r6a_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x6b, fc2580_freq_regs_lut[i].r6b_val); + ret = fc2580_wr_reg_ff(priv, 0x6b, fc2580_freq_regs_lut[i].r6b_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x6c, fc2580_freq_regs_lut[i].r6c_val); + ret = fc2580_wr_reg_ff(priv, 0x6c, fc2580_freq_regs_lut[i].r6c_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x6d, fc2580_freq_regs_lut[i].r6d_val); + ret = fc2580_wr_reg_ff(priv, 0x6d, fc2580_freq_regs_lut[i].r6d_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x6e, fc2580_freq_regs_lut[i].r6e_val); + ret = fc2580_wr_reg_ff(priv, 0x6e, fc2580_freq_regs_lut[i].r6e_val); if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x6f, fc2580_freq_regs_lut[i].r6f_val); + ret = fc2580_wr_reg_ff(priv, 0x6f, fc2580_freq_regs_lut[i].r6f_val); if (ret < 0) goto err; diff --git a/drivers/media/tuners/max2165.c b/drivers/media/tuners/max2165.c index ba84936..95ed46f 100644 --- a/drivers/media/tuners/max2165.c +++ b/drivers/media/tuners/max2165.c @@ -161,7 +161,7 @@ static int max2165_set_bandwidth(struct max2165_priv *priv, u32 bw) return 0; } -int fixpt_div32(u32 dividend, u32 divisor, u32 *quotient, u32 *fraction) +static int fixpt_div32(u32 dividend, u32 divisor, u32 *quotient, u32 *fraction) { u32 remainder; u32 q, f = 0; diff --git a/drivers/media/tuners/tua9001.c b/drivers/media/tuners/tua9001.c index 3896684..83a6240 100644 --- a/drivers/media/tuners/tua9001.c +++ b/drivers/media/tuners/tua9001.c @@ -136,7 +136,7 @@ static int tua9001_set_params(struct dvb_frontend *fe) { struct tua9001_priv *priv = fe->tuner_priv; struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret, i; + int ret = 0, i; u16 val; u32 frequency; struct reg_val data[2]; diff --git a/drivers/media/tuners/xc4000.c b/drivers/media/tuners/xc4000.c index 4937712..5c0fd78 100644 --- a/drivers/media/tuners/xc4000.c +++ b/drivers/media/tuners/xc4000.c @@ -934,7 +934,7 @@ static int check_firmware(struct dvb_frontend *fe, unsigned int type, int rc = 0, is_retry = 0; u16 hwmodel; v4l2_std_id std0; - u8 hw_major, hw_minor, fw_major, fw_minor; + u8 hw_major = 0, hw_minor = 0, fw_major = 0, fw_minor = 0; dprintk(1, "%s called\n", __func__); diff --git a/drivers/media/usb/au0828/au0828-cards.c b/drivers/media/usb/au0828/au0828-cards.c index 448361c..0cb7c28 100644 --- a/drivers/media/usb/au0828/au0828-cards.c +++ b/drivers/media/usb/au0828/au0828-cards.c @@ -25,7 +25,7 @@ #include "media/tuner.h" #include "media/v4l2-common.h" -void hvr950q_cs5340_audio(void *priv, int enable) +static void hvr950q_cs5340_audio(void *priv, int enable) { /* Because the HVR-950q shares an i2s bus between the cs5340 and the au8522, we need to hold cs5340 in reset when using the au8522 */ diff --git a/drivers/media/usb/au0828/au0828-dvb.c b/drivers/media/usb/au0828/au0828-dvb.c index b328f65..9a6f156 100644 --- a/drivers/media/usb/au0828/au0828-dvb.c +++ b/drivers/media/usb/au0828/au0828-dvb.c @@ -272,7 +272,6 @@ static void au0828_restart_dvb_streaming(struct work_struct *work) struct au0828_dev *dev = container_of(work, struct au0828_dev, restart_streaming); struct au0828_dvb *dvb = &dev->dvb; - int ret; if (dev->urb_streaming == 0) return; @@ -282,7 +281,7 @@ static void au0828_restart_dvb_streaming(struct work_struct *work) mutex_lock(&dvb->lock); /* Stop transport */ - ret = stop_urb_transfer(dev); + stop_urb_transfer(dev); au0828_write(dev, 0x608, 0x00); au0828_write(dev, 0x609, 0x00); au0828_write(dev, 0x60a, 0x00); @@ -293,7 +292,7 @@ static void au0828_restart_dvb_streaming(struct work_struct *work) au0828_write(dev, 0x609, 0x72); au0828_write(dev, 0x60a, 0x71); au0828_write(dev, 0x60b, 0x01); - ret = start_urb_transfer(dev); + start_urb_transfer(dev); mutex_unlock(&dvb->lock); } diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 8705855..45387aa 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -158,7 +158,7 @@ static void au0828_irq_callback(struct urb *urb) /* * Stop and Deallocate URBs */ -void au0828_uninit_isoc(struct au0828_dev *dev) +static void au0828_uninit_isoc(struct au0828_dev *dev) { struct urb *urb; int i; @@ -197,9 +197,9 @@ void au0828_uninit_isoc(struct au0828_dev *dev) /* * Allocate URBs and start IRQ */ -int au0828_init_isoc(struct au0828_dev *dev, int max_packets, - int num_bufs, int max_pkt_size, - int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) +static int au0828_init_isoc(struct au0828_dev *dev, int max_packets, + int num_bufs, int max_pkt_size, + int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) { struct au0828_dmaqueue *dma_q = &dev->vidq; int i; @@ -783,7 +783,7 @@ static int au0828_i2s_init(struct au0828_dev *dev) * Auvitek au0828 analog stream enable * Please set interface0 to AS5 before enable the stream */ -int au0828_analog_stream_enable(struct au0828_dev *d) +static int au0828_analog_stream_enable(struct au0828_dev *d) { dprintk(1, "au0828_analog_stream_enable called\n"); au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); @@ -810,7 +810,7 @@ int au0828_analog_stream_disable(struct au0828_dev *d) return 0; } -void au0828_analog_stream_reset(struct au0828_dev *dev) +static void au0828_analog_stream_reset(struct au0828_dev *dev) { dprintk(1, "au0828_analog_stream_reset called\n"); au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); @@ -913,7 +913,7 @@ static int get_ressource(struct au0828_fh *fh) /* This function ensures that video frames continue to be delivered even if the ITU-656 input isn't receiving any data (thereby preventing applications such as tvtime from hanging) */ -void au0828_vid_buffer_timeout(unsigned long data) +static void au0828_vid_buffer_timeout(unsigned long data) { struct au0828_dev *dev = (struct au0828_dev *) data; struct au0828_dmaqueue *dma_q = &dev->vidq; @@ -937,7 +937,7 @@ void au0828_vid_buffer_timeout(unsigned long data) spin_unlock_irqrestore(&dev->slock, flags); } -void au0828_vbi_buffer_timeout(unsigned long data) +static void au0828_vbi_buffer_timeout(unsigned long data) { struct au0828_dev *dev = (struct au0828_dev *) data; struct au0828_dmaqueue *dma_q = &dev->vbiq; diff --git a/drivers/media/usb/cx231xx/cx231xx-avcore.c b/drivers/media/usb/cx231xx/cx231xx-avcore.c index 447148e..7222079 100644 --- a/drivers/media/usb/cx231xx/cx231xx-avcore.c +++ b/drivers/media/usb/cx231xx/cx231xx-avcore.c @@ -1068,12 +1068,12 @@ int cx231xx_unmute_audio(struct cx231xx *dev) } EXPORT_SYMBOL_GPL(cx231xx_unmute_audio); -int stopAudioFirmware(struct cx231xx *dev) +static int stopAudioFirmware(struct cx231xx *dev) { return vid_blk_write_byte(dev, DL_CTL_CONTROL, 0x03); } -int restartAudioFirmware(struct cx231xx *dev) +static int restartAudioFirmware(struct cx231xx *dev) { return vid_blk_write_byte(dev, DL_CTL_CONTROL, 0x13); } @@ -2631,11 +2631,6 @@ int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type) rc = cx231xx_stop_stream(dev, ep_mask); } - if (dev->mode == CX231XX_ANALOG_MODE) - ;/* do any in Analog mode */ - else - ;/* do any in digital mode */ - return rc; } EXPORT_SYMBOL_GPL(cx231xx_capture_start); diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c index b84ebc5..bbed1e4 100644 --- a/drivers/media/usb/cx231xx/cx231xx-cards.c +++ b/drivers/media/usb/cx231xx/cx231xx-cards.c @@ -686,7 +686,7 @@ int cx231xx_tuner_callback(void *ptr, int component, int command, int arg) } EXPORT_SYMBOL_GPL(cx231xx_tuner_callback); -void cx231xx_reset_out(struct cx231xx *dev) +static void cx231xx_reset_out(struct cx231xx *dev) { cx231xx_set_gpio_value(dev, CX23417_RESET, 1); msleep(200); @@ -694,11 +694,13 @@ void cx231xx_reset_out(struct cx231xx *dev) msleep(200); cx231xx_set_gpio_value(dev, CX23417_RESET, 1); } -void cx231xx_enable_OSC(struct cx231xx *dev) + +static void cx231xx_enable_OSC(struct cx231xx *dev) { cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1); } -void cx231xx_sleep_s5h1432(struct cx231xx *dev) + +static void cx231xx_sleep_s5h1432(struct cx231xx *dev) { cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0); } diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index 781feed..96a5a09 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -72,8 +72,8 @@ static inline bool is_tuner(struct cx231xx *dev, struct cx231xx_i2c *bus, /* * cx231xx_i2c_send_bytes() */ -int cx231xx_i2c_send_bytes(struct i2c_adapter *i2c_adap, - const struct i2c_msg *msg) +static int cx231xx_i2c_send_bytes(struct i2c_adapter *i2c_adap, + const struct i2c_msg *msg) { struct cx231xx_i2c *bus = i2c_adap->algo_data; struct cx231xx *dev = bus->dev; diff --git a/drivers/media/usb/cx231xx/cx231xx-input.c b/drivers/media/usb/cx231xx/cx231xx-input.c index 96176e9..0f7b424 100644 --- a/drivers/media/usb/cx231xx/cx231xx-input.c +++ b/drivers/media/usb/cx231xx/cx231xx-input.c @@ -99,7 +99,7 @@ int cx231xx_ir_init(struct cx231xx *dev) /* The i2c micro-controller only outputs the cmd part of NEC protocol */ dev->init_data.rc_dev->scanmask = 0xff; dev->init_data.rc_dev->driver_name = "cx231xx"; - dev->init_data.type = RC_TYPE_NEC; + dev->init_data.type = RC_BIT_NEC; info.addr = 0x30; /* Load and bind ir-kbd-i2c */ diff --git a/drivers/media/usb/dvb-usb-v2/af9015.c b/drivers/media/usb/dvb-usb-v2/af9015.c index 3d7526e..943d934 100644 --- a/drivers/media/usb/dvb-usb-v2/af9015.c +++ b/drivers/media/usb/dvb-usb-v2/af9015.c @@ -1306,7 +1306,7 @@ static int af9015_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) if (!rc->map_name) rc->map_name = RC_MAP_EMPTY; - rc->allowed_protos = RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_NEC; rc->query = af9015_rc_query; rc->interval = 500; diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index ea27eaf..61ae7f9 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -1023,10 +1023,10 @@ static int af9035_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) switch (tmp) { case 0: /* NEC */ default: - rc->allowed_protos = RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_NEC; break; case 1: /* RC6 */ - rc->allowed_protos = RC_TYPE_RC6; + rc->allowed_protos = RC_BIT_RC6_MCE; break; } diff --git a/drivers/media/usb/dvb-usb-v2/anysee.c b/drivers/media/usb/dvb-usb-v2/anysee.c index ec540140..d05c5b5 100644 --- a/drivers/media/usb/dvb-usb-v2/anysee.c +++ b/drivers/media/usb/dvb-usb-v2/anysee.c @@ -1048,7 +1048,7 @@ static int anysee_rc_query(struct dvb_usb_device *d) static int anysee_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) { - rc->allowed_protos = RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_NEC; rc->query = anysee_rc_query; rc->interval = 250; /* windows driver uses 500ms */ @@ -1170,7 +1170,7 @@ static int anysee_ci_poll_slot_status(struct dvb_ca_en50221 *ci, int slot, struct dvb_usb_device *d = ci->data; struct anysee_state *state = d_to_priv(d); int ret; - u8 tmp; + u8 tmp = 0; ret = anysee_rd_reg_mask(d, REG_IOC, &tmp, 0x40); if (ret) diff --git a/drivers/media/usb/dvb-usb-v2/az6007.c b/drivers/media/usb/dvb-usb-v2/az6007.c index 54f1221..d75dbf2 100644 --- a/drivers/media/usb/dvb-usb-v2/az6007.c +++ b/drivers/media/usb/dvb-usb-v2/az6007.c @@ -826,7 +826,7 @@ static int az6007_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) { pr_debug("Getting az6007 Remote Control properties\n"); - rc->allowed_protos = RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_NEC; rc->query = az6007_rc_query; rc->interval = 400; diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb.h b/drivers/media/usb/dvb-usb-v2/dvb_usb.h index bae16a1..059291b 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb.h +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb.h @@ -137,7 +137,7 @@ struct dvb_usb_driver_info { struct dvb_usb_rc { const char *map_name; u64 allowed_protos; - int (*change_protocol)(struct rc_dev *dev, u64 rc_type); + int (*change_protocol)(struct rc_dev *dev, u64 *rc_type); int (*query) (struct dvb_usb_device *d); unsigned int interval; const enum rc_driver_type driver_type; diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c index ba51f65..671b4fa 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c @@ -224,7 +224,7 @@ static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf, dvb_dmx_swfilter_raw(&adap->demux, buf, len); } -int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap) +static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap) { dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, adap->id); @@ -236,7 +236,7 @@ int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap) return usb_urb_initv2(&adap->stream, &adap->props->stream); } -int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap) +static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap) { dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, adap->id); @@ -368,7 +368,7 @@ static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed) return dvb_usb_ctrl_feed(dvbdmxfeed, -1); } -int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap) +static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap) { int ret; struct dvb_usb_device *d = adap_to_d(adap); @@ -440,7 +440,7 @@ err_dvb_register_adapter: return ret; } -int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap) +static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap) { dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, adap->id); @@ -456,7 +456,7 @@ int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap) return 0; } -int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff) +static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff) { int ret; @@ -553,7 +553,7 @@ err: return ret; } -int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap) +static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap) { int ret, i, count_registered = 0; struct dvb_usb_device *d = adap_to_d(adap); @@ -622,7 +622,7 @@ err: return ret; } -int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap) +static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap) { int i; dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__, diff --git a/drivers/media/usb/dvb-usb-v2/it913x.c b/drivers/media/usb/dvb-usb-v2/it913x.c index 695f910..4720428 100644 --- a/drivers/media/usb/dvb-usb-v2/it913x.c +++ b/drivers/media/usb/dvb-usb-v2/it913x.c @@ -659,13 +659,19 @@ static int it913x_frontend_attach(struct dvb_usb_adapter *adap) it913x_wr_reg(d, DEV_0_DMOD, MP2IF2_SW_RST, 0x1); it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x0f); it913x_wr_reg(d, DEV_0, EP0_TX_NAK, 0x1b); - it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x2f); + if (st->proprietary_ir == false) /* Enable endpoint 3 */ + it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x3f); + else + it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x2f); it913x_wr_reg(d, DEV_0, EP4_TX_LEN_LSB, ep_size & 0xff); it913x_wr_reg(d, DEV_0, EP4_TX_LEN_MSB, ep_size >> 8); ret = it913x_wr_reg(d, DEV_0, EP4_MAX_PKT, pkt_size); } else if (adap->id == 1 && adap->fe[0]) { - it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x6f); + if (st->proprietary_ir == false) + it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x7f); + else + it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x6f); it913x_wr_reg(d, DEV_0, EP5_TX_LEN_LSB, ep_size & 0xff); it913x_wr_reg(d, DEV_0, EP5_TX_LEN_MSB, ep_size >> 8); @@ -698,7 +704,7 @@ static int it913x_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) return 0; } - rc->allowed_protos = RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_NEC; rc->query = it913x_rc_query; rc->interval = 250; diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c index c41d9d9..6427ac3 100644 --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c @@ -799,7 +799,7 @@ static const char fw_c_rs2000[] = LME2510_C_RS2000; static const char fw_lg[] = LME2510_LG; static const char fw_s0194[] = LME2510_S0194; -const char *lme_firmware_switch(struct dvb_usb_device *d, int cold) +static const char *lme_firmware_switch(struct dvb_usb_device *d, int cold) { struct lme2510_state *st = d->priv; struct usb_device *udev = d->udev; @@ -1253,7 +1253,7 @@ static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type, static int lme2510_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) { - rc->allowed_protos = RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_NEC; return 0; } diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index 093f1ac..a4c302d 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -1197,7 +1197,7 @@ static int rtl2831u_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) { rc->map_name = RC_MAP_EMPTY; - rc->allowed_protos = RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_NEC; rc->query = rtl2831u_rc_query; rc->interval = 400; @@ -1269,7 +1269,7 @@ static int rtl2832u_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) { rc->map_name = RC_MAP_EMPTY; - rc->allowed_protos = RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_NEC; rc->query = rtl2832u_rc_query; rc->interval = 400; @@ -1338,6 +1338,8 @@ static const struct usb_device_id rtl28xxu_id_table[] = { &rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) }, { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK, &rtl2832u_props, "NOXON DAB/DAB+ USB dongle", NULL) }, + { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2, + &rtl2832u_props, "NOXON DAB/DAB+ USB dongle (rev 2)", NULL) }, { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0, &rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) }, { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101, diff --git a/drivers/media/usb/dvb-usb-v2/usb_urb.c b/drivers/media/usb/dvb-usb-v2/usb_urb.c index 5989b65..7346f85 100644 --- a/drivers/media/usb/dvb-usb-v2/usb_urb.c +++ b/drivers/media/usb/dvb-usb-v2/usb_urb.c @@ -112,7 +112,7 @@ int usb_urb_submitv2(struct usb_data_stream *stream, return 0; } -int usb_urb_free_urbs(struct usb_data_stream *stream) +static int usb_urb_free_urbs(struct usb_data_stream *stream) { int i; @@ -205,7 +205,7 @@ static int usb_urb_alloc_isoc_urbs(struct usb_data_stream *stream) return 0; } -int usb_free_stream_buffers(struct usb_data_stream *stream) +static int usb_free_stream_buffers(struct usb_data_stream *stream) { if (stream->state & USB_STATE_URB_BUF) { while (stream->buf_num) { @@ -223,8 +223,8 @@ int usb_free_stream_buffers(struct usb_data_stream *stream) return 0; } -int usb_alloc_stream_buffers(struct usb_data_stream *stream, int num, - unsigned long size) +static int usb_alloc_stream_buffers(struct usb_data_stream *stream, int num, + unsigned long size) { stream->buf_num = 0; stream->buf_size = size; diff --git a/drivers/media/usb/dvb-usb/az6027.c b/drivers/media/usb/dvb-usb/az6027.c index 5e45ae6..91e0119 100644 --- a/drivers/media/usb/dvb-usb/az6027.c +++ b/drivers/media/usb/dvb-usb/az6027.c @@ -298,7 +298,8 @@ struct stb6100_config az6027_stb6100_config = { /* check for mutex FIXME */ -int az6027_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) +static int az6027_usb_in_op(struct dvb_usb_device *d, u8 req, + u16 value, u16 index, u8 *b, int blen) { int ret = -1; if (mutex_lock_interruptible(&d->usb_mutex)) @@ -1051,10 +1052,10 @@ static struct i2c_algorithm az6027_i2c_algo = { .functionality = az6027_i2c_func, }; -int az6027_identify_state(struct usb_device *udev, - struct dvb_usb_device_properties *props, - struct dvb_usb_device_description **desc, - int *cold) +static int az6027_identify_state(struct usb_device *udev, + struct dvb_usb_device_properties *props, + struct dvb_usb_device_description **desc, + int *cold) { u8 *b; s16 ret; diff --git a/drivers/media/usb/dvb-usb/dib0700.h b/drivers/media/usb/dvb-usb/dib0700.h index 7de125c..637b612 100644 --- a/drivers/media/usb/dvb-usb/dib0700.h +++ b/drivers/media/usb/dvb-usb/dib0700.h @@ -64,7 +64,7 @@ extern int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff); extern struct i2c_algorithm dib0700_i2c_algo; extern int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props, struct dvb_usb_device_description **desc, int *cold); -extern int dib0700_change_protocol(struct rc_dev *dev, u64 rc_type); +extern int dib0700_change_protocol(struct rc_dev *dev, u64 *rc_type); extern int dib0700_set_i2c_speed(struct dvb_usb_device *d, u16 scl_kHz); extern int dib0700_device_count; diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c index ef87229..19b5ed2 100644 --- a/drivers/media/usb/dvb-usb/dib0700_core.c +++ b/drivers/media/usb/dvb-usb/dib0700_core.c @@ -605,7 +605,7 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) return ret; } -int dib0700_change_protocol(struct rc_dev *rc, u64 rc_type) +int dib0700_change_protocol(struct rc_dev *rc, u64 *rc_type) { struct dvb_usb_device *d = rc->priv; struct dib0700_state *st = d->priv; @@ -621,17 +621,19 @@ int dib0700_change_protocol(struct rc_dev *rc, u64 rc_type) st->buf[2] = 0; /* Set the IR mode */ - if (rc_type == RC_TYPE_RC5) + if (*rc_type & RC_BIT_RC5) { new_proto = 1; - else if (rc_type == RC_TYPE_NEC) + *rc_type = RC_BIT_RC5; + } else if (*rc_type & RC_BIT_NEC) { new_proto = 0; - else if (rc_type == RC_TYPE_RC6) { + *rc_type = RC_BIT_NEC; + } else if (*rc_type & RC_BIT_RC6_MCE) { if (st->fw_version < 0x10200) { ret = -EINVAL; goto out; } - new_proto = 2; + *rc_type = RC_BIT_RC6_MCE; } else { ret = -EINVAL; goto out; @@ -645,7 +647,7 @@ int dib0700_change_protocol(struct rc_dev *rc, u64 rc_type) goto out; } - d->props.rc.core.protocol = rc_type; + d->props.rc.core.protocol = *rc_type; out: mutex_unlock(&d->usb_mutex); @@ -707,7 +709,7 @@ static void dib0700_rc_urb_completion(struct urb *purb) purb->actual_length); switch (d->props.rc.core.protocol) { - case RC_TYPE_NEC: + case RC_BIT_NEC: toggle = 0; /* NEC protocol sends repeat code as 0 0 0 FF */ diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c index 510001d..1179842 100644 --- a/drivers/media/usb/dvb-usb/dib0700_devices.c +++ b/drivers/media/usb/dvb-usb/dib0700_devices.c @@ -518,7 +518,7 @@ static int dib0700_rc_query_old_firmware(struct dvb_usb_device *d) d->last_event = 0; switch (d->props.rc.core.protocol) { - case RC_TYPE_NEC: + case RC_BIT_NEC: /* NEC protocol sends repeat code as 0 0 0 FF */ if ((key[3-2] == 0x00) && (key[3-3] == 0x00) && (key[3] == 0xff)) @@ -3658,9 +3658,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_interval = DEFAULT_RC_INTERVAL, .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -3698,9 +3698,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_interval = DEFAULT_RC_INTERVAL, .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -3763,9 +3763,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_interval = DEFAULT_RC_INTERVAL, .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -3808,9 +3808,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -3890,9 +3890,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -3936,9 +3936,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -3987,9 +3987,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4055,9 +4055,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4106,9 +4106,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_NEC_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4177,9 +4177,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4215,9 +4215,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4295,9 +4295,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4341,9 +4341,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_NEC_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4394,9 +4394,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4433,9 +4433,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4472,9 +4472,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4511,9 +4511,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4550,9 +4550,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4589,9 +4589,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4644,9 +4644,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4681,9 +4681,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4721,9 +4721,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4761,9 +4761,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, @@ -4802,9 +4802,9 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, .module_name = "dib0700", .rc_query = dib0700_rc_query_old_firmware, - .allowed_protos = RC_TYPE_RC5 | - RC_TYPE_RC6 | - RC_TYPE_NEC, + .allowed_protos = RC_BIT_RC5 | + RC_BIT_RC6_MCE | + RC_BIT_NEC, .change_protocol = dib0700_change_protocol, }, }, diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h index aab0f99..ce4c4e3 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb.h +++ b/drivers/media/usb/dvb-usb/dvb-usb.h @@ -202,7 +202,7 @@ struct dvb_rc { u64 protocol; u64 allowed_protos; enum rc_driver_type driver_type; - int (*change_protocol)(struct rc_dev *dev, u64 rc_type); + int (*change_protocol)(struct rc_dev *dev, u64 *rc_type); char *module_name; int (*rc_query) (struct dvb_usb_device *d); int rc_interval; diff --git a/drivers/media/usb/dvb-usb/pctv452e.c b/drivers/media/usb/dvb-usb/pctv452e.c index 02e8785..d1ddfa1 100644 --- a/drivers/media/usb/dvb-usb/pctv452e.c +++ b/drivers/media/usb/dvb-usb/pctv452e.c @@ -927,7 +927,7 @@ static struct dvb_usb_device_properties pctv452e_properties = { .rc.core = { .rc_codes = RC_MAP_DIB0700_RC5_TABLE, - .allowed_protos = RC_TYPE_UNKNOWN, + .allowed_protos = RC_BIT_UNKNOWN, .rc_query = pctv452e_rc_query, .rc_interval = 100, }, @@ -980,7 +980,7 @@ static struct dvb_usb_device_properties tt_connect_s2_3600_properties = { .rc.core = { .rc_codes = RC_MAP_TT_1500, - .allowed_protos = RC_TYPE_UNKNOWN, + .allowed_protos = RC_BIT_UNKNOWN, .rc_query = pctv452e_rc_query, .rc_interval = 100, }, diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c index 7a8c8c1..40832a1 100644 --- a/drivers/media/usb/dvb-usb/technisat-usb2.c +++ b/drivers/media/usb/dvb-usb/technisat-usb2.c @@ -732,7 +732,7 @@ static struct dvb_usb_device_properties technisat_usb2_devices = { .rc_codes = RC_MAP_TECHNISAT_USB2, .module_name = "technisat-usb2", .rc_query = technisat_usb2_rc_query, - .allowed_protos = RC_TYPE_ALL, + .allowed_protos = RC_BIT_ALL, .driver_type = RC_DRIVER_IR_RAW, } }; diff --git a/drivers/media/usb/dvb-usb/ttusb2.c b/drivers/media/usb/dvb-usb/ttusb2.c index 6a50cde..bcdac22 100644 --- a/drivers/media/usb/dvb-usb/ttusb2.c +++ b/drivers/media/usb/dvb-usb/ttusb2.c @@ -741,7 +741,7 @@ static struct dvb_usb_device_properties ttusb2_properties_ct3650 = { .rc_interval = 150, /* Less than IR_KEYPRESS_TIMEOUT */ .rc_codes = RC_MAP_TT_1500, .rc_query = tt3650_rc_query, - .allowed_protos = RC_TYPE_UNKNOWN, + .allowed_protos = RC_BIT_UNKNOWN, }, .num_adapters = 1, diff --git a/drivers/media/usb/dvb-usb/vp702x.c b/drivers/media/usb/dvb-usb/vp702x.c index 07c673a..22cf9f9 100644 --- a/drivers/media/usb/dvb-usb/vp702x.c +++ b/drivers/media/usb/dvb-usb/vp702x.c @@ -56,7 +56,7 @@ static int vp702x_usb_in_op_unlocked(struct dvb_usb_device *d, u8 req, } int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, - u16 index, u8 *b, int blen) + u16 index, u8 *b, int blen) { int ret; @@ -67,8 +67,8 @@ int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, return ret; } -int vp702x_usb_out_op_unlocked(struct dvb_usb_device *d, u8 req, u16 value, - u16 index, u8 *b, int blen) +static int vp702x_usb_out_op_unlocked(struct dvb_usb_device *d, u8 req, + u16 value, u16 index, u8 *b, int blen) { int ret; deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index); @@ -86,7 +86,7 @@ int vp702x_usb_out_op_unlocked(struct dvb_usb_device *d, u8 req, u16 value, return 0; } -int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, +static int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) { int ret; diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index 16a84f9..619bffb 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -1979,6 +1979,15 @@ struct em28xx_board em28xx_boards[] = { EM28XX_I2C_CLK_WAIT_ENABLE | EM28XX_I2C_FREQ_400_KHZ, }, + [EM2884_BOARD_TERRATEC_HTC_USB_XS] = { + .name = "Terratec Cinergy HTC USB XS", + .has_dvb = 1, + .ir_codes = RC_MAP_NEC_TERRATEC_CINERGY_XS, + .tuner_type = TUNER_ABSENT, + .i2c_speed = EM2874_I2C_SECONDARY_BUS_SELECT | + EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, }; const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards); @@ -2057,9 +2066,9 @@ struct usb_device_id em28xx_id_table[] = { { USB_DEVICE(0x0ccd, 0x0043), .driver_info = EM2870_BOARD_TERRATEC_XS }, { USB_DEVICE(0x0ccd, 0x008e), /* Cinergy HTC USB XS Rev. 1 */ - .driver_info = EM2884_BOARD_TERRATEC_H5 }, + .driver_info = EM2884_BOARD_TERRATEC_HTC_USB_XS }, { USB_DEVICE(0x0ccd, 0x00ac), /* Cinergy HTC USB XS Rev. 2 */ - .driver_info = EM2884_BOARD_TERRATEC_H5 }, + .driver_info = EM2884_BOARD_TERRATEC_HTC_USB_XS }, { USB_DEVICE(0x0ccd, 0x10a2), /* H5 Rev. 1 */ .driver_info = EM2884_BOARD_TERRATEC_H5 }, { USB_DEVICE(0x0ccd, 0x10ad), /* H5 Rev. 2 */ @@ -3297,7 +3306,7 @@ static int em28xx_usb_probe(struct usb_interface *interface, dev->num_alt = interface->num_altsetting; - if ((card[nr] >= 0) && (card[nr] < em28xx_bcount)) + if ((unsigned)card[nr] < em28xx_bcount) dev->model = card[nr]; /* save our data pointer in this interface device */ diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index 13ae821..63f2e70 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -331,7 +331,7 @@ static struct drxk_config hauppauge_930c_drxk = { .load_firmware_sync = true, }; -struct drxk_config terratec_htc_stick_drxk = { +static struct drxk_config terratec_htc_stick_drxk = { .adr = 0x29, .single_master = 1, .no_i2c_bridge = 1, @@ -520,7 +520,10 @@ static void terratec_htc_stick_init(struct em28xx *dev) { -1, -1, -1, -1}, }; - /* Init the analog decoder? */ + /* + * Init the analog decoder (not yet supported), but + * it's probably still a good idea. + */ struct { unsigned char r[4]; int len; @@ -547,6 +550,64 @@ static void terratec_htc_stick_init(struct em28xx *dev) em28xx_gpio_set(dev, terratec_htc_stick_end); }; +static void terratec_htc_usb_xs_init(struct em28xx *dev) +{ + int i; + + struct em28xx_reg_seq terratec_htc_usb_xs_init[] = { + {EM28XX_R08_GPIO, 0xff, 0xff, 10}, + {EM2874_R80_GPIO, 0xb2, 0xff, 100}, + {EM2874_R80_GPIO, 0xb2, 0xff, 50}, + {EM2874_R80_GPIO, 0xb6, 0xff, 100}, + { -1, -1, -1, -1}, + }; + struct em28xx_reg_seq terratec_htc_usb_xs_end[] = { + {EM2874_R80_GPIO, 0xa6, 0xff, 100}, + {EM2874_R80_GPIO, 0xa6, 0xff, 50}, + {EM2874_R80_GPIO, 0xe6, 0xff, 100}, + { -1, -1, -1, -1}, + }; + + /* + * Init the analog decoder (not yet supported), but + * it's probably still a good idea. + */ + struct { + unsigned char r[4]; + int len; + } regs[] = { + {{ 0x06, 0x02, 0x00, 0x31 }, 4}, + {{ 0x01, 0x02 }, 2}, + {{ 0x01, 0x02, 0x00, 0xc6 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0xff, 0xaf }, 4}, + {{ 0x01, 0x00, 0x03, 0xa0 }, 4}, + {{ 0x01, 0x00 }, 2}, + {{ 0x01, 0x00, 0x73, 0xaf }, 4}, + {{ 0x04, 0x00 }, 2}, + {{ 0x00, 0x04 }, 2}, + {{ 0x00, 0x04, 0x00, 0x0a }, 4}, + {{ 0x04, 0x14 }, 2}, + {{ 0x04, 0x14, 0x00, 0x00 }, 4}, + }; + + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); + + em28xx_gpio_set(dev, terratec_htc_usb_xs_init); + + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40); + msleep(10); + em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44); + msleep(10); + + dev->i2c_client.addr = 0x82 >> 1; + + for (i = 0; i < ARRAY_SIZE(regs); i++) + i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len); + + em28xx_gpio_set(dev, terratec_htc_usb_xs_end); +}; + static void pctv_520e_init(struct em28xx *dev) { /* @@ -1155,6 +1216,25 @@ static int em28xx_dvb_init(struct em28xx *dev) goto out_free; } break; + case EM2884_BOARD_TERRATEC_HTC_USB_XS: + terratec_htc_usb_xs_init(dev); + + /* attach demodulator */ + dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk, + &dev->i2c_adap); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + + /* Attach the demodulator. */ + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap, + &em28xx_cxd2820r_tda18271_config)) { + result = -EINVAL; + goto out_free; + } + break; default: em28xx_errdev("/2: The frontend of your DVB/ATSC card" " isn't supported yet\n"); diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index 97d36b4..660bf80 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -345,7 +345,7 @@ static void em28xx_ir_stop(struct rc_dev *rc) cancel_delayed_work_sync(&ir->work); } -static int em28xx_ir_change_protocol(struct rc_dev *rc_dev, u64 rc_type) +static int em28xx_ir_change_protocol(struct rc_dev *rc_dev, u64 *rc_type) { int rc = 0; struct em28xx_IR *ir = rc_dev->priv; @@ -354,14 +354,16 @@ static int em28xx_ir_change_protocol(struct rc_dev *rc_dev, u64 rc_type) /* Adjust xclk based o IR table for RC5/NEC tables */ - if (rc_type == RC_TYPE_RC5) { + if (*rc_type & RC_BIT_RC5) { dev->board.xclk |= EM28XX_XCLK_IR_RC5_MODE; ir->full_code = 1; - } else if (rc_type == RC_TYPE_NEC) { + *rc_type = RC_BIT_RC5; + } else if (*rc_type & RC_BIT_NEC) { dev->board.xclk &= ~EM28XX_XCLK_IR_RC5_MODE; ir_config = EM2874_IR_NEC; ir->full_code = 1; - } else if (rc_type != RC_TYPE_UNKNOWN) + *rc_type = RC_BIT_NEC; + } else if (*rc_type != RC_BIT_UNKNOWN) rc = -EINVAL; em28xx_write_reg_bits(dev, EM28XX_R0F_XCLK, dev->board.xclk, @@ -524,6 +526,7 @@ static int em28xx_ir_init(struct em28xx *dev) struct em28xx_IR *ir; struct rc_dev *rc; int err = -ENOMEM; + u64 rc_type; if (dev->board.ir_codes == NULL) { /* No remote control support */ @@ -546,14 +549,15 @@ static int em28xx_ir_init(struct em28xx *dev) * em2874 supports more protocols. For now, let's just announce * the two protocols that were already tested */ - rc->allowed_protos = RC_TYPE_RC5 | RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_RC5 | RC_BIT_NEC; rc->priv = ir; rc->change_protocol = em28xx_ir_change_protocol; rc->open = em28xx_ir_start; rc->close = em28xx_ir_stop; /* By default, keep protocol field untouched */ - err = em28xx_ir_change_protocol(rc, RC_TYPE_UNKNOWN); + rc_type = RC_BIT_UNKNOWN; + err = em28xx_ir_change_protocol(rc, &rc_type); if (err) goto err_out_free; diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h index 8757523..86e90d8 100644 --- a/drivers/media/usb/em28xx/em28xx.h +++ b/drivers/media/usb/em28xx/em28xx.h @@ -128,6 +128,7 @@ #define EM2874_BOARD_MAXMEDIA_UB425_TC 84 #define EM2884_BOARD_PCTV_510E 85 #define EM2884_BOARD_PCTV_520E 86 +#define EM2884_BOARD_TERRATEC_HTC_USB_XS 87 /* Limits minimum and default number of buffers */ #define EM28XX_MIN_BUF 4 diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c index a2b9341..e0a431bb 100644 --- a/drivers/media/usb/gspca/gspca.c +++ b/drivers/media/usb/gspca/gspca.c @@ -1586,8 +1586,7 @@ static int vidioc_querybuf(struct file *file, void *priv, struct gspca_dev *gspca_dev = video_drvdata(file); struct gspca_frame *frame; - if (v4l2_buf->index < 0 - || v4l2_buf->index >= gspca_dev->nframes) + if (v4l2_buf->index >= gspca_dev->nframes) return -EINVAL; frame = &gspca_dev->frame[v4l2_buf->index]; diff --git a/drivers/media/usb/gspca/gspca.h b/drivers/media/usb/gspca/gspca.h index e3eab82..352317d 100644 --- a/drivers/media/usb/gspca/gspca.h +++ b/drivers/media/usb/gspca/gspca.h @@ -32,7 +32,7 @@ do { \ #define D_USBO 0x00 #define D_V4L2 0x0100 #else -#define PDEBUG(level, fmt, ...) +#define PDEBUG(level, fmt, ...) do {} while(0) #endif #define GSPCA_MAX_FRAMES 16 /* maximum number of video frame buffers */ diff --git a/drivers/media/usb/gspca/jeilinj.c b/drivers/media/usb/gspca/jeilinj.c index b897aa8..1ba29fe 100644 --- a/drivers/media/usb/gspca/jeilinj.c +++ b/drivers/media/usb/gspca/jeilinj.c @@ -114,7 +114,7 @@ static void jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command) } /* Responses are one byte only */ -static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char response) +static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char *response) { int retval; @@ -123,7 +123,7 @@ static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char response) retval = usb_bulk_msg(gspca_dev->dev, usb_rcvbulkpipe(gspca_dev->dev, 0x84), gspca_dev->usb_buf, 1, NULL, 500); - response = gspca_dev->usb_buf[0]; + *response = gspca_dev->usb_buf[0]; if (retval < 0) { pr_err("read command [%02x] error %d\n", gspca_dev->usb_buf[0], retval); @@ -260,7 +260,7 @@ static int jlj_start(struct gspca_dev *gspca_dev) if (start_commands[i].delay) msleep(start_commands[i].delay); if (start_commands[i].ack_wanted) - jlj_read1(gspca_dev, response); + jlj_read1(gspca_dev, &response); } setcamquality(gspca_dev, v4l2_ctrl_g_ctrl(sd->jpegqual)); msleep(2); diff --git a/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c b/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c index cc8ec3f..c8e1572 100644 --- a/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c +++ b/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c @@ -74,6 +74,12 @@ static DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2548") } }, { + .ident = "Fujitsu-Siemens Amilo Pi 2530", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 2530") + } + }, { .ident = "MSI GX700", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), diff --git a/drivers/media/usb/gspca/pac7302.c b/drivers/media/usb/gspca/pac7302.c index 2d5c6d83..4f5869a 100644 --- a/drivers/media/usb/gspca/pac7302.c +++ b/drivers/media/usb/gspca/pac7302.c @@ -29,14 +29,13 @@ * Register page 0: * * Address Description - * 0x02 Red balance control - * 0x03 Green balance control - * 0x04 Blue balance control - * Valus are inverted (0=max, 255=min). + * 0x01 Red balance control + * 0x02 Green balance control + * 0x03 Blue balance control * The Windows driver uses a quadratic approach to map * the settable values (0-200) on register values: - * min=0x80, default=0x40, max=0x20 - * 0x0f-0x20 Colors, saturation and exposure control + * min=0x20, default=0x40, max=0x80 + * 0x0f-0x20 Color and saturation control * 0xa2-0xab Brightness, contrast and gamma control * 0xb6 Sharpness control (bits 0-4) * @@ -78,12 +77,12 @@ * * Page | Register | Function * -----+------------+--------------------------------------------------- + * 0 | 0x01 | setredbalance() + * 0 | 0x03 | setbluebalance() * 0 | 0x0f..0x20 | setcolors() * 0 | 0xa2..0xab | setbrightcont() * 0 | 0xb6 | setsharpness() - * 0 | 0xc5 | setredbalance() * 0 | 0xc6 | setwhitebalance() - * 0 | 0xc7 | setbluebalance() * 0 | 0xdc | setbrightcont(), setcolors() * 3 | 0x02 | setexposure() * 3 | 0x10, 0x12 | setgain() @@ -99,10 +98,13 @@ /* Include pac common sof detection functions */ #include "pac_common.h" -#define PAC7302_GAIN_DEFAULT 15 -#define PAC7302_GAIN_KNEE 42 -#define PAC7302_EXPOSURE_DEFAULT 66 /* 33 ms / 30 fps */ -#define PAC7302_EXPOSURE_KNEE 133 /* 66 ms / 15 fps */ +#define PAC7302_RGB_BALANCE_MIN 0 +#define PAC7302_RGB_BALANCE_MAX 200 +#define PAC7302_RGB_BALANCE_DEFAULT 100 +#define PAC7302_GAIN_DEFAULT 15 +#define PAC7302_GAIN_KNEE 42 +#define PAC7302_EXPOSURE_DEFAULT 66 /* 33 ms / 30 fps */ +#define PAC7302_EXPOSURE_KNEE 133 /* 66 ms / 15 fps */ MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, " "Thomas Kaiser thomas@kaiser-linux.li"); @@ -439,12 +441,31 @@ static void setwhitebalance(struct gspca_dev *gspca_dev) reg_w(gspca_dev, 0xdc, 0x01); } +static u8 rgbbalance_ctrl_to_reg_value(s32 rgb_ctrl_val) +{ + const unsigned int k = 1000; /* precision factor */ + unsigned int norm; + + /* Normed value [0...k] */ + norm = k * (rgb_ctrl_val - PAC7302_RGB_BALANCE_MIN) + / (PAC7302_RGB_BALANCE_MAX - PAC7302_RGB_BALANCE_MIN); + /* Qudratic apporach improves control at small (register) values: */ + return 64 * norm * norm / (k*k) + 32 * norm / k + 32; + /* Y = 64*X*X + 32*X + 32 + * => register values 0x20-0x80; Windows driver uses these limits */ + + /* NOTE: for full value range (0x00-0xff) use + * Y = 254*X*X + X + * => 254 * norm * norm / (k*k) + 1 * norm / k */ +} + static void setredbalance(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ - reg_w(gspca_dev, 0xc5, sd->red_balance->val); + reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ + reg_w(gspca_dev, 0x01, + rgbbalance_ctrl_to_reg_value(sd->red_balance->val)); reg_w(gspca_dev, 0xdc, 0x01); } @@ -454,7 +475,8 @@ static void setbluebalance(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ - reg_w(gspca_dev, 0xc7, sd->blue_balance->val); + reg_w(gspca_dev, 0x03, + rgbbalance_ctrl_to_reg_value(sd->blue_balance->val)); reg_w(gspca_dev, 0xdc, 0x01); } @@ -643,9 +665,15 @@ static int sd_init_controls(struct gspca_dev *gspca_dev) V4L2_CID_WHITE_BALANCE_TEMPERATURE, 0, 255, 1, 55); sd->red_balance = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, - V4L2_CID_RED_BALANCE, 0, 3, 1, 1); + V4L2_CID_RED_BALANCE, + PAC7302_RGB_BALANCE_MIN, + PAC7302_RGB_BALANCE_MAX, + 1, PAC7302_RGB_BALANCE_DEFAULT); sd->blue_balance = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, - V4L2_CID_BLUE_BALANCE, 0, 3, 1, 1); + V4L2_CID_BLUE_BALANCE, + PAC7302_RGB_BALANCE_MIN, + PAC7302_RGB_BALANCE_MAX, + 1, PAC7302_RGB_BALANCE_DEFAULT); gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_AUTOGAIN, 0, 1, 1, 1); diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c index fd1f8d2..70511d5 100644 --- a/drivers/media/usb/gspca/sonixb.c +++ b/drivers/media/usb/gspca/sonixb.c @@ -1449,6 +1449,7 @@ static const struct usb_device_id device_table[] = { {USB_DEVICE(0x0c45, 0x6024), SB(TAS5130CXX, 102)}, {USB_DEVICE(0x0c45, 0x6025), SB(TAS5130CXX, 102)}, #endif + {USB_DEVICE(0x0c45, 0x6027), SB(OV7630, 101)}, /* Genius Eye 310 */ {USB_DEVICE(0x0c45, 0x6028), SB(PAS202, 102)}, {USB_DEVICE(0x0c45, 0x6029), SB(PAS106, 102)}, {USB_DEVICE(0x0c45, 0x602a), SB(HV7131D, 102)}, diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c index 304f43e..84dc26f 100644 --- a/drivers/media/usb/hdpvr/hdpvr-core.c +++ b/drivers/media/usb/hdpvr/hdpvr-core.c @@ -401,12 +401,14 @@ static int hdpvr_probe(struct usb_interface *interface, client = hdpvr_register_ir_rx_i2c(dev); if (!client) { v4l2_err(&dev->v4l2_dev, "i2c IR RX device register failed\n"); + retval = -ENODEV; goto reg_fail; } client = hdpvr_register_ir_tx_i2c(dev); if (!client) { v4l2_err(&dev->v4l2_dev, "i2c IR TX device register failed\n"); + retval = -ENODEV; goto reg_fail; } #endif diff --git a/drivers/media/usb/hdpvr/hdpvr-i2c.c b/drivers/media/usb/hdpvr/hdpvr-i2c.c index 82e819f..031cf02 100644 --- a/drivers/media/usb/hdpvr/hdpvr-i2c.c +++ b/drivers/media/usb/hdpvr/hdpvr-i2c.c @@ -55,7 +55,7 @@ struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev) /* Our default information for ir-kbd-i2c.c to use */ init_data->ir_codes = RC_MAP_HAUPPAUGE; init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; - init_data->type = RC_TYPE_RC5; + init_data->type = RC_BIT_RC5; init_data->name = "HD-PVR"; init_data->polling_interval = 405; /* ms, duplicated from Windows */ hdpvr_ir_rx_i2c_board_info.platform_data = init_data; diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c index fb828ba..299751a 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -3563,9 +3563,9 @@ void pvr2_hdw_v4l_store_minor_number(struct pvr2_hdw *hdw, enum pvr2_v4l_type index,int v) { switch (index) { - case pvr2_v4l_type_video: hdw->v4l_minor_number_video = v; - case pvr2_v4l_type_vbi: hdw->v4l_minor_number_vbi = v; - case pvr2_v4l_type_radio: hdw->v4l_minor_number_radio = v; + case pvr2_v4l_type_video: hdw->v4l_minor_number_video = v;break; + case pvr2_v4l_type_vbi: hdw->v4l_minor_number_vbi = v;break; + case pvr2_v4l_type_radio: hdw->v4l_minor_number_radio = v;break; default: break; } } diff --git a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c index 885ce11..9ab596c 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c @@ -581,7 +581,7 @@ static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw) case PVR2_IR_SCHEME_29XXX: /* Original 29xxx device */ init_data->ir_codes = RC_MAP_HAUPPAUGE; init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP; - init_data->type = RC_TYPE_RC5; + init_data->type = RC_BIT_RC5; init_data->name = hdw->hdw_desc->description; init_data->polling_interval = 100; /* ms From ir-kbd-i2c */ /* IR Receiver */ @@ -596,7 +596,7 @@ static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw) case PVR2_IR_SCHEME_24XXX_MCE: /* 24xxx MCE device */ init_data->ir_codes = RC_MAP_HAUPPAUGE; init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; - init_data->type = RC_TYPE_RC5; + init_data->type = RC_BIT_RC5; init_data->name = hdw->hdw_desc->description; /* IR Receiver */ info.addr = 0x71; diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c index db249ca..6930676 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c @@ -196,7 +196,7 @@ static int pvr2_g_std(struct file *file, void *priv, v4l2_std_id *std) return ret; } -int pvr2_s_std(struct file *file, void *priv, v4l2_std_id *std) +static int pvr2_s_std(struct file *file, void *priv, v4l2_std_id *std) { struct pvr2_v4l2_fh *fh = file->private_data; struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; @@ -365,7 +365,7 @@ static int pvr2_s_tuner(struct file *file, void *priv, struct v4l2_tuner *vt) vt->audmode); } -int pvr2_s_frequency(struct file *file, void *priv, struct v4l2_frequency *vf) +static int pvr2_s_frequency(struct file *file, void *priv, struct v4l2_frequency *vf) { struct pvr2_v4l2_fh *fh = file->private_data; struct pvr2_hdw *hdw = fh->channel.mc_head->hdw; diff --git a/drivers/media/usb/pwc/pwc-ctrl.c b/drivers/media/usb/pwc/pwc-ctrl.c index 1f506fd..3a16185 100644 --- a/drivers/media/usb/pwc/pwc-ctrl.c +++ b/drivers/media/usb/pwc/pwc-ctrl.c @@ -179,6 +179,8 @@ static int set_video_mode_Nala(struct pwc_device *pdev, int size, int pixfmt, return -EINVAL; if (frames < 4) frames = 4; + else if (size > PSZ_QCIF && frames > 15) + frames = 15; else if (frames > 25) frames = 25; frames = frames2frames[frames]; diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c index 42e36ba..5210239 100644 --- a/drivers/media/usb/pwc/pwc-if.c +++ b/drivers/media/usb/pwc/pwc-if.c @@ -155,7 +155,7 @@ static struct video_device pwc_template = { /***************************************************************************/ /* Private functions */ -struct pwc_frame_buf *pwc_get_next_fill_buf(struct pwc_device *pdev) +static struct pwc_frame_buf *pwc_get_next_fill_buf(struct pwc_device *pdev) { unsigned long flags = 0; struct pwc_frame_buf *buf = NULL; @@ -1000,7 +1000,11 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id pdev->vb_queue.buf_struct_size = sizeof(struct pwc_frame_buf); pdev->vb_queue.ops = &pwc_vb_queue_ops; pdev->vb_queue.mem_ops = &vb2_vmalloc_memops; - vb2_queue_init(&pdev->vb_queue); + rc = vb2_queue_init(&pdev->vb_queue); + if (rc < 0) { + PWC_ERROR("Oops, could not initialize vb2 queue.\n"); + goto err_free_mem; + } /* Init video_device structure */ memcpy(&pdev->vdev, &pwc_template, sizeof(pwc_template)); diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index 2191f6d..8ebec0d 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -1651,7 +1651,7 @@ static int vidioc_enum_frameintervals(struct file *file, void *priv, int is_ntsc = 0; #define NUM_FRAME_ENUMS 4 int frm_dec[NUM_FRAME_ENUMS] = {1, 2, 3, 5}; - if (fe->index < 0 || fe->index >= NUM_FRAME_ENUMS) + if (fe->index >= NUM_FRAME_ENUMS) return -EINVAL; switch (fe->width) { case 640: diff --git a/drivers/media/usb/siano/Kconfig b/drivers/media/usb/siano/Kconfig index 3c76e62..5afbd9a 100644 --- a/drivers/media/usb/siano/Kconfig +++ b/drivers/media/usb/siano/Kconfig @@ -4,7 +4,8 @@ config SMS_USB_DRV tristate "Siano SMS1xxx based MDTV receiver" - depends on DVB_CORE && RC_CORE && HAS_DMA + depends on DVB_CORE && HAS_DMA + select MEDIA_COMMON_OPTIONS ---help--- Choose if you would like to have Siano's support for USB interface diff --git a/drivers/media/usb/sn9c102/sn9c102_core.c b/drivers/media/usb/sn9c102/sn9c102_core.c index 5bfc8e2..73605864 100644 --- a/drivers/media/usb/sn9c102/sn9c102_core.c +++ b/drivers/media/usb/sn9c102/sn9c102_core.c @@ -2481,11 +2481,13 @@ sn9c102_vidioc_enum_framesizes(struct sn9c102_device* cam, void __user * arg) if (frmsize.pixel_format != V4L2_PIX_FMT_SN9C10X && frmsize.pixel_format != V4L2_PIX_FMT_SBGGR8) return -EINVAL; + break; case BRIDGE_SN9C105: case BRIDGE_SN9C120: if (frmsize.pixel_format != V4L2_PIX_FMT_JPEG && frmsize.pixel_format != V4L2_PIX_FMT_SBGGR8) return -EINVAL; + break; } frmsize.type = V4L2_FRMSIZE_TYPE_STEPWISE; diff --git a/drivers/media/usb/stk1160/stk1160-i2c.c b/drivers/media/usb/stk1160/stk1160-i2c.c index 176ac93..850cf28 100644 --- a/drivers/media/usb/stk1160/stk1160-i2c.c +++ b/drivers/media/usb/stk1160/stk1160-i2c.c @@ -116,7 +116,7 @@ static int stk1160_i2c_read_reg(struct stk1160 *dev, u8 addr, if (rc < 0) return rc; - stk1160_read_reg(dev, STK1160_SBUSR_RD, value); + rc = stk1160_read_reg(dev, STK1160_SBUSR_RD, value); if (rc < 0) return rc; diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c index 8bdfb02..fa3671d 100644 --- a/drivers/media/usb/stk1160/stk1160-video.c +++ b/drivers/media/usb/stk1160/stk1160-video.c @@ -475,7 +475,11 @@ int stk1160_alloc_isoc(struct stk1160 *dev) if (!dev->isoc_ctl.transfer_buffer[i]) { stk1160_err("cannot alloc %d bytes for tx[%d] buffer\n", sb_size, i); - goto free_i_bufs; + + /* Not enough transfer buffers, so just give up */ + if (i < STK1160_MIN_BUFS) + goto free_i_bufs; + goto nomore_tx_bufs; } memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); @@ -506,13 +510,28 @@ int stk1160_alloc_isoc(struct stk1160 *dev) } } - stk1160_dbg("urbs allocated\n"); + stk1160_dbg("%d urbs allocated\n", num_bufs); /* At last we can say we have some buffers */ dev->isoc_ctl.num_bufs = num_bufs; return 0; +nomore_tx_bufs: + /* + * Failed to allocate desired buffer count. However, we may have + * enough to work fine, so we just free the extra urb, + * store the allocated count and keep going, fingers crossed! + */ + usb_free_urb(dev->isoc_ctl.urb[i]); + dev->isoc_ctl.urb[i] = NULL; + + stk1160_warn("%d urbs allocated. Trying to continue...\n", i - 1); + + dev->isoc_ctl.num_bufs = i - 1; + + return 0; + free_i_bufs: /* Save the allocated buffers so far, so we can properly free them */ dev->isoc_ctl.num_bufs = i+1; diff --git a/drivers/media/usb/stk1160/stk1160.h b/drivers/media/usb/stk1160/stk1160.h index 68c8707..05b05b1 100644 --- a/drivers/media/usb/stk1160/stk1160.h +++ b/drivers/media/usb/stk1160/stk1160.h @@ -30,11 +30,12 @@ #define STK1160_VERSION "0.9.5" #define STK1160_VERSION_NUM 0x000905 -/* TODO: Decide on number of packets for each buffer */ +/* Decide on number of packets for each buffer */ #define STK1160_NUM_PACKETS 64 /* Number of buffers for isoc transfers */ -#define STK1160_NUM_BUFS 16 /* TODO */ +#define STK1160_NUM_BUFS 16 +#define STK1160_MIN_BUFS 1 /* TODO: This endpoint address should be retrieved */ #define STK1160_EP_VIDEO 0x82 diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index 86a0fc5..5d3c032 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -54,10 +54,6 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jaime Velasco Juan <jsagarribay@gmail.com> and Nicolas VIVIEN"); MODULE_DESCRIPTION("Syntek DC1125 webcam driver"); - -/* bool for webcam LED management */ -int first_init = 1; - /* Some cameras have audio interfaces, we aren't interested in those */ static struct usb_device_id stkwebcam_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x174f, 0xa311, 0xff, 0xff, 0xff) }, @@ -554,6 +550,7 @@ static void stk_free_buffers(struct stk_camera *dev) static int v4l_stk_open(struct file *fp) { + static int first_init = 1; /* webcam LED management */ struct stk_camera *dev; struct video_device *vdev; diff --git a/drivers/media/usb/tlg2300/pd-dvb.c b/drivers/media/usb/tlg2300/pd-dvb.c index 30fcb11..ca4994a 100644 --- a/drivers/media/usb/tlg2300/pd-dvb.c +++ b/drivers/media/usb/tlg2300/pd-dvb.c @@ -1,6 +1,7 @@ #include "pd-common.h" #include <linux/kernel.h> #include <linux/usb.h> +#include <linux/time.h> #include <linux/dvb/dmx.h> #include <linux/delay.h> #include <linux/gfp.h> diff --git a/drivers/media/usb/tlg2300/pd-video.c b/drivers/media/usb/tlg2300/pd-video.c index 1f448ac..3082bfa 100644 --- a/drivers/media/usb/tlg2300/pd-video.c +++ b/drivers/media/usb/tlg2300/pd-video.c @@ -888,7 +888,7 @@ static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *in) { struct front_face *front = fh; - if (in->index < 0 || in->index >= POSEIDON_INPUTS) + if (in->index >= POSEIDON_INPUTS) return -EINVAL; strcpy(in->name, pd_inputs[in->index].name); in->type = V4L2_INPUT_TYPE_TUNER; @@ -923,7 +923,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int i) struct poseidon *pd = front->pd; s32 ret, cmd_status; - if (i < 0 || i >= POSEIDON_INPUTS) + if (i >= POSEIDON_INPUTS) return -EINVAL; ret = send_set_req(pd, SGNL_SRC_SEL, pd_inputs[i].tlg_src, &cmd_status); diff --git a/drivers/media/usb/tm6000/tm6000-input.c b/drivers/media/usb/tm6000/tm6000-input.c index dffbd4bd..8a6bbf1 100644 --- a/drivers/media/usb/tm6000/tm6000-input.c +++ b/drivers/media/usb/tm6000/tm6000-input.c @@ -109,12 +109,12 @@ static int tm6000_ir_config(struct tm6000_IR *ir) */ switch (ir->rc_type) { - case RC_TYPE_NEC: + case RC_BIT_NEC: leader = 900; /* ms */ pulse = 700; /* ms - the actual value would be 562 */ break; default: - case RC_TYPE_RC5: + case RC_BIT_RC5: leader = 900; /* ms - from the NEC decoding */ pulse = 1780; /* ms - The actual value would be 1776 */ break; @@ -122,12 +122,12 @@ static int tm6000_ir_config(struct tm6000_IR *ir) pulse = ir_clock_mhz * pulse; leader = ir_clock_mhz * leader; - if (ir->rc_type == RC_TYPE_NEC) + if (ir->rc_type == RC_BIT_NEC) leader = leader | 0x8000; dprintk(2, "%s: %s, %d MHz, leader = 0x%04x, pulse = 0x%06x \n", __func__, - (ir->rc_type == RC_TYPE_NEC) ? "NEC" : "RC-5", + (ir->rc_type == RC_BIT_NEC) ? "NEC" : "RC-5", ir_clock_mhz, leader, pulse); /* Remote WAKEUP = enable, normal mode, from IR decoder output */ @@ -297,7 +297,7 @@ static void tm6000_ir_stop(struct rc_dev *rc) cancel_delayed_work_sync(&ir->work); } -static int tm6000_ir_change_protocol(struct rc_dev *rc, u64 rc_type) +static int tm6000_ir_change_protocol(struct rc_dev *rc, u64 *rc_type) { struct tm6000_IR *ir = rc->priv; @@ -306,10 +306,10 @@ static int tm6000_ir_change_protocol(struct rc_dev *rc, u64 rc_type) dprintk(2, "%s\n",__func__); - if ((rc->rc_map.scan) && (rc_type == RC_TYPE_NEC)) + if ((rc->rc_map.scan) && (*rc_type == RC_BIT_NEC)) ir->key_addr = ((rc->rc_map.scan[0].scancode >> 8) & 0xffff); - ir->rc_type = rc_type; + ir->rc_type = *rc_type; tm6000_ir_config(ir); /* TODO */ @@ -398,6 +398,7 @@ int tm6000_ir_init(struct tm6000_core *dev) struct tm6000_IR *ir; struct rc_dev *rc; int err = -ENOMEM; + u64 rc_type; if (!enable_ir) return -ENODEV; @@ -421,7 +422,7 @@ int tm6000_ir_init(struct tm6000_core *dev) ir->rc = rc; /* input setup */ - rc->allowed_protos = RC_TYPE_RC5 | RC_TYPE_NEC; + rc->allowed_protos = RC_BIT_RC5 | RC_BIT_NEC; /* Neded, in order to support NEC remotes with 24 or 32 bits */ rc->scanmask = 0xffff; rc->priv = ir; @@ -444,7 +445,8 @@ int tm6000_ir_init(struct tm6000_core *dev) usb_make_path(dev->udev, ir->phys, sizeof(ir->phys)); strlcat(ir->phys, "/input0", sizeof(ir->phys)); - tm6000_ir_change_protocol(rc, RC_TYPE_UNKNOWN); + rc_type = RC_BIT_UNKNOWN; + tm6000_ir_change_protocol(rc, &rc_type); rc->input_name = ir->name; rc->input_phys = ir->phys; diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c index 4342cd4..f656fd7 100644 --- a/drivers/media/usb/tm6000/tm6000-video.c +++ b/drivers/media/usb/tm6000/tm6000-video.c @@ -1802,6 +1802,7 @@ int tm6000_v4l2_register(struct tm6000_core *dev) if (!dev->radio_dev) { printk(KERN_INFO "%s: can't register radio device\n", dev->name); + ret = -ENXIO; return ret; /* FIXME release resource */ } diff --git a/drivers/media/usb/usbvision/usbvision.h b/drivers/media/usb/usbvision/usbvision.h index 43cf61f..8a25876 100644 --- a/drivers/media/usb/usbvision/usbvision.h +++ b/drivers/media/usb/usbvision/usbvision.h @@ -167,7 +167,7 @@ enum { /* This macro restricts an int variable to an inclusive range */ #define RESTRICT_TO_RANGE(v, mi, ma) \ - { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } + { if (((int)v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } /* * We use macros to do YUV -> RGB conversion because this is diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index f7061a5..516a5b1 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -927,7 +927,7 @@ static int __uvc_ctrl_get(struct uvc_video_chain *chain, int ret; if ((ctrl->info.flags & UVC_CTRL_FLAG_GET_CUR) == 0) - return -EINVAL; + return -EACCES; if (!ctrl->loaded) { ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id, @@ -1061,7 +1061,7 @@ int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, ctrl = uvc_find_control(chain, v4l2_ctrl->id, &mapping); if (ctrl == NULL) { - ret = -EINVAL; + ret = -ENOENT; goto done; } @@ -1099,12 +1099,13 @@ int uvc_query_v4l2_menu(struct uvc_video_chain *chain, return -ERESTARTSYS; ctrl = uvc_find_control(chain, query_menu->id, &mapping); - if (ctrl == NULL || mapping->v4l2_type != V4L2_CTRL_TYPE_MENU) { - ret = -EINVAL; + if (ctrl == NULL) { + ret = -ENOENT; goto done; } - if (query_menu->index >= mapping->menu_count) { + if (mapping->v4l2_type != V4L2_CTRL_TYPE_MENU || + query_menu->index >= mapping->menu_count) { ret = -EINVAL; goto done; } @@ -1263,7 +1264,7 @@ static int uvc_ctrl_add_event(struct v4l2_subscribed_event *sev, unsigned elems) ctrl = uvc_find_control(handle->chain, sev->id, &mapping); if (ctrl == NULL) { - ret = -EINVAL; + ret = -ENOENT; goto done; } @@ -1414,7 +1415,7 @@ int uvc_ctrl_get(struct uvc_video_chain *chain, ctrl = uvc_find_control(chain, xctrl->id, &mapping); if (ctrl == NULL) - return -EINVAL; + return -ENOENT; return __uvc_ctrl_get(chain, ctrl, mapping, &xctrl->value); } @@ -1431,8 +1432,10 @@ int uvc_ctrl_set(struct uvc_video_chain *chain, int ret; ctrl = uvc_find_control(chain, xctrl->id, &mapping); - if (ctrl == NULL || (ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR) == 0) - return -EINVAL; + if (ctrl == NULL) + return -ENOENT; + if (!(ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR)) + return -EACCES; /* Clamp out of range values. */ switch (mapping->v4l2_type) { @@ -1452,8 +1455,12 @@ int uvc_ctrl_set(struct uvc_video_chain *chain, if (step == 0) step = 1; - xctrl->value = min + (xctrl->value - min + step/2) / step * step; - xctrl->value = clamp(xctrl->value, min, max); + xctrl->value = min + ((u32)(xctrl->value - min) + step / 2) + / step * step; + if (mapping->data_type == UVC_CTRL_DATA_TYPE_SIGNED) + xctrl->value = clamp(xctrl->value, min, max); + else + xctrl->value = clamp_t(u32, xctrl->value, min, max); value = xctrl->value; break; diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 5967081..5dbefa6 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -1562,6 +1562,9 @@ static int uvc_scan_device(struct uvc_device *dev) INIT_LIST_HEAD(&chain->entities); mutex_init(&chain->ctrl_mutex); chain->dev = dev; + v4l2_prio_init(&chain->prio); + + term->flags |= UVC_ENTITY_FLAG_DEFAULT; if (uvc_scan_chain(chain, term) < 0) { kfree(chain); @@ -1722,6 +1725,8 @@ static int uvc_register_video(struct uvc_device *dev, vdev->v4l2_dev = &dev->vdev; vdev->fops = &uvc_fops; vdev->release = uvc_release; + vdev->prio = &stream->chain->prio; + set_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags); if (stream->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) vdev->vfl_dir = VFL_DIR_TX; strlcpy(vdev->name, dev->name, sizeof vdev->name); @@ -1741,6 +1746,11 @@ static int uvc_register_video(struct uvc_device *dev, return ret; } + if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + stream->chain->caps |= V4L2_CAP_VIDEO_CAPTURE; + else + stream->chain->caps |= V4L2_CAP_VIDEO_OUTPUT; + atomic_inc(&dev->nstreams); return 0; } diff --git a/drivers/media/usb/uvc/uvc_entity.c b/drivers/media/usb/uvc/uvc_entity.c index 29e2399..dc56a59 100644 --- a/drivers/media/usb/uvc/uvc_entity.c +++ b/drivers/media/usb/uvc/uvc_entity.c @@ -93,6 +93,8 @@ static int uvc_mc_init_entity(struct uvc_entity *entity) } else if (entity->vdev != NULL) { ret = media_entity_init(&entity->vdev->entity, entity->num_pads, entity->pads, 0); + if (entity->flags & UVC_ENTITY_FLAG_DEFAULT) + entity->vdev->entity.flags |= MEDIA_ENT_FL_DEFAULT; } else ret = 0; diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 18a91fa..778addc 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -128,7 +128,7 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, int ret; queue->queue.type = type; - queue->queue.io_modes = VB2_MMAP | VB2_USERPTR; + queue->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; queue->queue.drv_priv = queue; queue->queue.buf_struct_size = sizeof(struct uvc_buffer); queue->queue.ops = &uvc_queue_qops; diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index f00db30..8e05604 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -165,17 +165,18 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream, fcc[0], fcc[1], fcc[2], fcc[3], fmt->fmt.pix.width, fmt->fmt.pix.height); - /* Check if the hardware supports the requested format. */ + /* Check if the hardware supports the requested format, use the default + * format otherwise. + */ for (i = 0; i < stream->nformats; ++i) { format = &stream->format[i]; if (format->fcc == fmt->fmt.pix.pixelformat) break; } - if (format == NULL || format->fcc != fmt->fmt.pix.pixelformat) { - uvc_trace(UVC_TRACE_FORMAT, "Unsupported format 0x%08x.\n", - fmt->fmt.pix.pixelformat); - return -EINVAL; + if (i == stream->nformats) { + format = stream->def_format; + fmt->fmt.pix.pixelformat = format->fcc; } /* Find the closest image size. The distance between image sizes is @@ -564,15 +565,30 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info)); cap->version = LINUX_VERSION_CODE; + cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING + | chain->caps; if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE - | V4L2_CAP_STREAMING; + cap->device_caps = V4L2_CAP_VIDEO_CAPTURE + | V4L2_CAP_STREAMING; else - cap->capabilities = V4L2_CAP_VIDEO_OUTPUT - | V4L2_CAP_STREAMING; + cap->device_caps = V4L2_CAP_VIDEO_OUTPUT + | V4L2_CAP_STREAMING; break; } + /* Priority */ + case VIDIOC_G_PRIORITY: + *(u32 *)arg = v4l2_prio_max(vdev->prio); + break; + + case VIDIOC_S_PRIORITY: + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + + return v4l2_prio_change(vdev->prio, &handle->vfh.prio, + *(u32 *)arg); + /* Get, Set & Query control */ case VIDIOC_QUERYCTRL: return uvc_query_v4l2_ctrl(chain, arg); @@ -591,8 +607,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_get(chain, &xctrl); uvc_ctrl_rollback(handle); - if (ret >= 0) - ctrl->value = xctrl.value; + if (ret < 0) + return ret == -ENOENT ? -EINVAL : ret; + + ctrl->value = xctrl.value; break; } @@ -601,6 +619,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) struct v4l2_control *ctrl = arg; struct v4l2_ext_control xctrl; + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + memset(&xctrl, 0, sizeof xctrl); xctrl.id = ctrl->id; xctrl.value = ctrl->value; @@ -612,7 +634,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_set(chain, &xctrl); if (ret < 0) { uvc_ctrl_rollback(handle); - return ret; + return ret == -ENOENT ? -EINVAL : ret; } ret = uvc_ctrl_commit(handle, &xctrl, 1); if (ret == 0) @@ -637,8 +659,9 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_get(chain, ctrl); if (ret < 0) { uvc_ctrl_rollback(handle); - ctrls->error_idx = i; - return ret; + ctrls->error_idx = ret == -ENOENT + ? ctrls->count : i; + return ret == -ENOENT ? -EINVAL : ret; } } ctrls->error_idx = 0; @@ -647,6 +670,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) } case VIDIOC_S_EXT_CTRLS: + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + /* Fall through */ case VIDIOC_TRY_EXT_CTRLS: { struct v4l2_ext_controls *ctrls = arg; @@ -661,8 +688,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_set(chain, ctrl); if (ret < 0) { uvc_ctrl_rollback(handle); - ctrls->error_idx = i; - return ret; + ctrls->error_idx = (ret == -ENOENT && + cmd == VIDIOC_S_EXT_CTRLS) + ? ctrls->count : i; + return ret == -ENOENT ? -EINVAL : ret; } } @@ -739,6 +768,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) { u32 input = *(u32 *)arg + 1; + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + if ((ret = uvc_acquire_privileges(handle)) < 0) return ret; @@ -792,6 +825,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) } case VIDIOC_S_FMT: + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + if ((ret = uvc_acquire_privileges(handle)) < 0) return ret; @@ -894,6 +931,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) return uvc_v4l2_get_streamparm(stream, arg); case VIDIOC_S_PARM: + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + if ((ret = uvc_acquire_privileges(handle)) < 0) return ret; @@ -924,10 +965,14 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_G_CROP: case VIDIOC_S_CROP: - return -EINVAL; + return -ENOTTY; /* Buffers & streaming */ case VIDIOC_REQBUFS: + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + if ((ret = uvc_acquire_privileges(handle)) < 0) return ret; @@ -973,6 +1018,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (*type != stream->type) return -EINVAL; + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + if (!uvc_has_privileges(handle)) return -EBUSY; @@ -991,6 +1040,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (*type != stream->type) return -EINVAL; + ret = v4l2_prio_check(vdev->prio, handle->vfh.prio); + if (ret < 0) + return ret; + if (!uvc_has_privileges(handle)) return -EBUSY; @@ -1030,7 +1083,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_ENUMOUTPUT: uvc_trace(UVC_TRACE_IOCTL, "Unsupported ioctl 0x%08x\n", cmd); - return -EINVAL; + return -ENOTTY; case UVCIOC_CTRL_MAP: return uvc_ioctl_ctrl_map(chain, arg); diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 57c3076..3394c34 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1812,6 +1812,7 @@ int uvc_video_init(struct uvc_streaming *stream) probe->bFormatIndex = format->index; probe->bFrameIndex = frame->bFrameIndex; + stream->def_format = format; stream->cur_format = format; stream->cur_frame = frame; diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index af216ec..af505fd 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -225,10 +225,14 @@ struct uvc_format_desc { * always be accessed with the UVC_ENTITY_* macros and never directly. */ +#define UVC_ENTITY_FLAG_DEFAULT (1 << 0) + struct uvc_entity { struct list_head list; /* Entity as part of a UVC device. */ struct list_head chain; /* Entity as part of a video device * chain. */ + unsigned int flags; + __u8 id; __u16 type; char name[64]; @@ -371,6 +375,9 @@ struct uvc_video_chain { struct uvc_entity *selector; /* Selector unit */ struct mutex ctrl_mutex; /* Protects ctrl.info */ + + struct v4l2_prio_state prio; /* V4L2 priority state */ + u32 caps; /* V4L2 chain-wide caps */ }; struct uvc_stats_frame { @@ -436,6 +443,7 @@ struct uvc_streaming { struct uvc_format *format; struct uvc_streaming_control ctrl; + struct uvc_format *def_format; struct uvc_format *cur_format; struct uvc_frame *cur_frame; /* Protect access to ctrl, cur_format, cur_frame and hardware video diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c index 9afab35..39edd44 100644 --- a/drivers/media/usb/zr364xx/zr364xx.c +++ b/drivers/media/usb/zr364xx/zr364xx.c @@ -1007,8 +1007,7 @@ static void read_pipe_completion(struct urb *purb) return; } - if (purb->actual_length < 0 || - purb->actual_length > pipe_info->transfer_size) { + if (purb->actual_length > pipe_info->transfer_size) { dev_err(&cam->udev->dev, "wrong number of bytes\n"); return; } diff --git a/drivers/media/v4l2-core/Kconfig b/drivers/media/v4l2-core/Kconfig index 0c54e19..65875c3 100644 --- a/drivers/media/v4l2-core/Kconfig +++ b/drivers/media/v4l2-core/Kconfig @@ -59,6 +59,7 @@ config VIDEOBUF_DVB # Used by drivers that need Videobuf2 modules config VIDEOBUF2_CORE + select DMA_SHARED_BUFFER tristate config VIDEOBUF2_MEMOPS @@ -68,11 +69,13 @@ config VIDEOBUF2_DMA_CONTIG tristate select VIDEOBUF2_CORE select VIDEOBUF2_MEMOPS + select DMA_SHARED_BUFFER config VIDEOBUF2_VMALLOC tristate select VIDEOBUF2_CORE select VIDEOBUF2_MEMOPS + select DMA_SHARED_BUFFER config VIDEOBUF2_DMA_SG tristate diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index f995dd3..380ddd89 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -837,7 +837,7 @@ bool v4l2_detect_gtf(unsigned frame_height, struct v4l2_dv_timings *fmt) { int pix_clk; - int v_fp, v_bp, h_fp, h_bp, hsync; + int v_fp, v_bp, h_fp, hsync; int frame_width, image_height, image_width; bool default_gtf; int h_blank; @@ -885,7 +885,6 @@ bool v4l2_detect_gtf(unsigned frame_height, hsync = hsync - hsync % GTF_CELL_GRAN; h_fp = h_blank / 2 - hsync; - h_bp = h_blank / 2; fmt->bt.polarities = polarities; fmt->bt.width = image_width; diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c index 83ffb64..7157af3 100644 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -297,6 +297,7 @@ struct v4l2_plane32 { union { __u32 mem_offset; compat_long_t userptr; + __s32 fd; } m; __u32 data_offset; __u32 reserved[11]; @@ -318,6 +319,7 @@ struct v4l2_buffer32 { __u32 offset; compat_long_t userptr; compat_caddr_t planes; + __s32 fd; } m; __u32 length; __u32 reserved2; @@ -341,6 +343,9 @@ static int get_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32, up_pln = compat_ptr(p); if (put_user((unsigned long)up_pln, &up->m.userptr)) return -EFAULT; + } else if (memory == V4L2_MEMORY_DMABUF) { + if (copy_in_user(&up->m.fd, &up32->m.fd, sizeof(int))) + return -EFAULT; } else { if (copy_in_user(&up->m.mem_offset, &up32->m.mem_offset, sizeof(__u32))) @@ -364,6 +369,11 @@ static int put_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32, if (copy_in_user(&up32->m.mem_offset, &up->m.mem_offset, sizeof(__u32))) return -EFAULT; + /* For DMABUF, driver might've set up the fd, so copy it back. */ + if (memory == V4L2_MEMORY_DMABUF) + if (copy_in_user(&up32->m.fd, &up->m.fd, + sizeof(int))) + return -EFAULT; return 0; } @@ -446,6 +456,10 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user if (get_user(kp->m.offset, &up->m.offset)) return -EFAULT; break; + case V4L2_MEMORY_DMABUF: + if (get_user(kp->m.fd, &up->m.fd)) + return -EFAULT; + break; } } @@ -510,6 +524,10 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user if (put_user(kp->m.offset, &up->m.offset)) return -EFAULT; break; + case V4L2_MEMORY_DMABUF: + if (put_user(kp->m.fd, &up->m.fd)) + return -EFAULT; + break; } } @@ -1000,6 +1018,7 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) case VIDIOC_S_FBUF32: case VIDIOC_OVERLAY32: case VIDIOC_QBUF32: + case VIDIOC_EXPBUF: case VIDIOC_DQBUF32: case VIDIOC_STREAMON32: case VIDIOC_STREAMOFF32: diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index a2df842..98dcad9 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -571,6 +571,7 @@ static void determine_valid_ioctls(struct video_device *vdev) SET_VALID_IOCTL(ops, VIDIOC_REQBUFS, vidioc_reqbufs); SET_VALID_IOCTL(ops, VIDIOC_QUERYBUF, vidioc_querybuf); SET_VALID_IOCTL(ops, VIDIOC_QBUF, vidioc_qbuf); + SET_VALID_IOCTL(ops, VIDIOC_EXPBUF, vidioc_expbuf); SET_VALID_IOCTL(ops, VIDIOC_DQBUF, vidioc_dqbuf); SET_VALID_IOCTL(ops, VIDIOC_STREAMON, vidioc_streamon); SET_VALID_IOCTL(ops, VIDIOC_STREAMOFF, vidioc_streamoff); diff --git a/drivers/media/v4l2-core/v4l2-event.c b/drivers/media/v4l2-core/v4l2-event.c index 18a040b..c720092 100644 --- a/drivers/media/v4l2-core/v4l2-event.c +++ b/drivers/media/v4l2-core/v4l2-event.c @@ -5,7 +5,7 @@ * * Copyright (C) 2009--2010 Nokia Corporation. * - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/v4l2-core/v4l2-fh.c b/drivers/media/v4l2-core/v4l2-fh.c index 9e3fc04..e57c002 100644 --- a/drivers/media/v4l2-core/v4l2-fh.c +++ b/drivers/media/v4l2-core/v4l2-fh.c @@ -5,7 +5,7 @@ * * Copyright (C) 2009--2010 Nokia Corporation. * - * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * Contact: Sakari Ailus <sakari.ailus@iki.fi> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 8f388ff..aa6e7c7 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -155,6 +155,7 @@ static const char *v4l2_memory_names[] = { [V4L2_MEMORY_MMAP] = "mmap", [V4L2_MEMORY_USERPTR] = "userptr", [V4L2_MEMORY_OVERLAY] = "overlay", + [V4L2_MEMORY_DMABUF] = "dmabuf", }; #define prt_names(a, arr) (((unsigned)(a)) < ARRAY_SIZE(arr) ? arr[a] : "unknown") @@ -453,6 +454,15 @@ static void v4l_print_buffer(const void *arg, bool write_only) tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); } +static void v4l_print_exportbuffer(const void *arg, bool write_only) +{ + const struct v4l2_exportbuffer *p = arg; + + pr_cont("fd=%d, type=%s, index=%u, plane=%u, flags=0x%08x\n", + p->fd, prt_names(p->type, v4l2_type_names), + p->index, p->plane, p->flags); +} + static void v4l_print_create_buffers(const void *arg, bool write_only) { const struct v4l2_create_buffers *p = arg; @@ -1960,6 +1970,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), IOCTL_INFO_FNC(VIDIOC_OVERLAY, v4l_overlay, v4l_print_u32, INFO_FL_PRIO), IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE), + IOCTL_INFO_STD(VIDIOC_EXPBUF, vidioc_expbuf, v4l_print_exportbuffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_exportbuffer, flags)), IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE), IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 3ac8358..438ea45 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -369,6 +369,19 @@ int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, EXPORT_SYMBOL_GPL(v4l2_m2m_dqbuf); /** + * v4l2_m2m_expbuf() - export a source or destination buffer, depending on + * the type + */ +int v4l2_m2m_expbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, + struct v4l2_exportbuffer *eb) +{ + struct vb2_queue *vq; + + vq = v4l2_m2m_get_vq(m2m_ctx, eb->type); + return vb2_expbuf(vq, eb); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_expbuf); +/** * v4l2_m2m_streamon() - turn on streaming for a video queue */ int v4l2_m2m_streamon(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, @@ -510,12 +523,10 @@ struct v4l2_m2m_dev *v4l2_m2m_init(struct v4l2_m2m_ops *m2m_ops) { struct v4l2_m2m_dev *m2m_dev; - if (!m2m_ops) + if (!m2m_ops || WARN_ON(!m2m_ops->device_run) || + WARN_ON(!m2m_ops->job_abort)) return ERR_PTR(-EINVAL); - BUG_ON(!m2m_ops->device_run); - BUG_ON(!m2m_ops->job_abort); - m2m_dev = kzalloc(sizeof *m2m_dev, GFP_KERNEL); if (!m2m_dev) return ERR_PTR(-ENOMEM); diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index dced41c..996c248 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -412,20 +412,20 @@ static int v4l2_subdev_link_validate_get_format(struct media_pad *pad, struct v4l2_subdev_format *fmt) { - switch (media_entity_type(pad->entity)) { - case MEDIA_ENT_T_V4L2_SUBDEV: + if (media_entity_type(pad->entity) == MEDIA_ENT_T_V4L2_SUBDEV) { + struct v4l2_subdev *sd = + media_entity_to_v4l2_subdev(pad->entity); + fmt->which = V4L2_SUBDEV_FORMAT_ACTIVE; fmt->pad = pad->index; - return v4l2_subdev_call(media_entity_to_v4l2_subdev( - pad->entity), - pad, get_fmt, NULL, fmt); - default: - WARN(1, "Driver bug! Wrong media entity type %d, entity %s\n", - media_entity_type(pad->entity), pad->entity->name); - /* Fall through */ - case MEDIA_ENT_T_DEVNODE_V4L: - return -EINVAL; + return v4l2_subdev_call(sd, pad, get_fmt, NULL, fmt); } + + WARN(pad->entity->type != MEDIA_ENT_T_DEVNODE_V4L, + "Driver bug! Wrong media entity type 0x%08x, entity %s\n", + pad->entity->type, pad->entity->name); + + return -EINVAL; } int v4l2_subdev_link_validate(struct media_link *link) diff --git a/drivers/media/v4l2-core/videobuf-core.c b/drivers/media/v4l2-core/videobuf-core.c index bf7a326..5449e8a 100644 --- a/drivers/media/v4l2-core/videobuf-core.c +++ b/drivers/media/v4l2-core/videobuf-core.c @@ -335,6 +335,9 @@ static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b, case V4L2_MEMORY_OVERLAY: b->m.offset = vb->boff; break; + case V4L2_MEMORY_DMABUF: + /* DMABUF is not handled in videobuf framework */ + break; } b->flags = 0; @@ -405,6 +408,7 @@ int __videobuf_mmap_setup(struct videobuf_queue *q, break; case V4L2_MEMORY_USERPTR: case V4L2_MEMORY_OVERLAY: + case V4L2_MEMORY_DMABUF: /* nothing */ break; } diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 432df11..9f81be2 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -109,6 +109,36 @@ static void __vb2_buf_userptr_put(struct vb2_buffer *vb) } /** + * __vb2_plane_dmabuf_put() - release memory associated with + * a DMABUF shared plane + */ +static void __vb2_plane_dmabuf_put(struct vb2_queue *q, struct vb2_plane *p) +{ + if (!p->mem_priv) + return; + + if (p->dbuf_mapped) + call_memop(q, unmap_dmabuf, p->mem_priv); + + call_memop(q, detach_dmabuf, p->mem_priv); + dma_buf_put(p->dbuf); + memset(p, 0, sizeof(*p)); +} + +/** + * __vb2_buf_dmabuf_put() - release memory associated with + * a DMABUF shared buffer + */ +static void __vb2_buf_dmabuf_put(struct vb2_buffer *vb) +{ + struct vb2_queue *q = vb->vb2_queue; + unsigned int plane; + + for (plane = 0; plane < vb->num_planes; ++plane) + __vb2_plane_dmabuf_put(q, &vb->planes[plane]); +} + +/** * __setup_offsets() - setup unique offsets ("cookies") for every plane in * every buffer on the queue */ @@ -230,6 +260,8 @@ static void __vb2_free_mem(struct vb2_queue *q, unsigned int buffers) /* Free MMAP buffers or release USERPTR buffers */ if (q->memory == V4L2_MEMORY_MMAP) __vb2_buf_mem_free(vb); + else if (q->memory == V4L2_MEMORY_DMABUF) + __vb2_buf_dmabuf_put(vb); else __vb2_buf_userptr_put(vb); } @@ -362,6 +394,8 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b) b->m.offset = vb->v4l2_planes[0].m.mem_offset; else if (q->memory == V4L2_MEMORY_USERPTR) b->m.userptr = vb->v4l2_planes[0].m.userptr; + else if (q->memory == V4L2_MEMORY_DMABUF) + b->m.fd = vb->v4l2_planes[0].m.fd; } /* @@ -454,13 +488,28 @@ static int __verify_mmap_ops(struct vb2_queue *q) } /** + * __verify_dmabuf_ops() - verify that all memory operations required for + * DMABUF queue type have been provided + */ +static int __verify_dmabuf_ops(struct vb2_queue *q) +{ + if (!(q->io_modes & VB2_DMABUF) || !q->mem_ops->attach_dmabuf || + !q->mem_ops->detach_dmabuf || !q->mem_ops->map_dmabuf || + !q->mem_ops->unmap_dmabuf) + return -EINVAL; + + return 0; +} + +/** * __verify_memory_type() - Check whether the memory type and buffer type * passed to a buffer operation are compatible with the queue. */ static int __verify_memory_type(struct vb2_queue *q, enum v4l2_memory memory, enum v4l2_buf_type type) { - if (memory != V4L2_MEMORY_MMAP && memory != V4L2_MEMORY_USERPTR) { + if (memory != V4L2_MEMORY_MMAP && memory != V4L2_MEMORY_USERPTR && + memory != V4L2_MEMORY_DMABUF) { dprintk(1, "reqbufs: unsupported memory type\n"); return -EINVAL; } @@ -484,6 +533,11 @@ static int __verify_memory_type(struct vb2_queue *q, return -EINVAL; } + if (memory == V4L2_MEMORY_DMABUF && __verify_dmabuf_ops(q)) { + dprintk(1, "reqbufs: DMABUF for current setup unsupported\n"); + return -EINVAL; + } + /* * Place the busy tests at the end: -EBUSY can be ignored when * create_bufs is called with count == 0, but count == 0 should still @@ -790,6 +844,7 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state) { struct vb2_queue *q = vb->vb2_queue; unsigned long flags; + unsigned int plane; if (vb->state != VB2_BUF_STATE_ACTIVE) return; @@ -800,6 +855,10 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state) dprintk(4, "Done processing on buffer %d, state: %d\n", vb->v4l2_buf.index, vb->state); + /* sync buffers */ + for (plane = 0; plane < vb->num_planes; ++plane) + call_memop(q, finish, vb->planes[plane].mem_priv); + /* Add the buffer to the done buffers list */ spin_lock_irqsave(&q->done_lock, flags); vb->state = state; @@ -845,6 +904,16 @@ static void __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b b->m.planes[plane].length; } } + if (b->memory == V4L2_MEMORY_DMABUF) { + for (plane = 0; plane < vb->num_planes; ++plane) { + v4l2_planes[plane].m.fd = + b->m.planes[plane].m.fd; + v4l2_planes[plane].length = + b->m.planes[plane].length; + v4l2_planes[plane].data_offset = + b->m.planes[plane].data_offset; + } + } } else { /* * Single-planar buffers do not use planes array, @@ -859,6 +928,13 @@ static void __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b v4l2_planes[0].m.userptr = b->m.userptr; v4l2_planes[0].length = b->length; } + + if (b->memory == V4L2_MEMORY_DMABUF) { + v4l2_planes[0].m.fd = b->m.fd; + v4l2_planes[0].length = b->length; + v4l2_planes[0].data_offset = 0; + } + } vb->v4l2_buf.field = b->field; @@ -959,14 +1035,121 @@ static int __qbuf_mmap(struct vb2_buffer *vb, const struct v4l2_buffer *b) } /** + * __qbuf_dmabuf() - handle qbuf of a DMABUF buffer + */ +static int __qbuf_dmabuf(struct vb2_buffer *vb, const struct v4l2_buffer *b) +{ + struct v4l2_plane planes[VIDEO_MAX_PLANES]; + struct vb2_queue *q = vb->vb2_queue; + void *mem_priv; + unsigned int plane; + int ret; + int write = !V4L2_TYPE_IS_OUTPUT(q->type); + + /* Verify and copy relevant information provided by the userspace */ + __fill_vb2_buffer(vb, b, planes); + + for (plane = 0; plane < vb->num_planes; ++plane) { + struct dma_buf *dbuf = dma_buf_get(planes[plane].m.fd); + + if (IS_ERR_OR_NULL(dbuf)) { + dprintk(1, "qbuf: invalid dmabuf fd for plane %d\n", + plane); + ret = -EINVAL; + goto err; + } + + /* use DMABUF size if length is not provided */ + if (planes[plane].length == 0) + planes[plane].length = dbuf->size; + + if (planes[plane].length < planes[plane].data_offset + + q->plane_sizes[plane]) { + ret = -EINVAL; + goto err; + } + + /* Skip the plane if already verified */ + if (dbuf == vb->planes[plane].dbuf && + vb->v4l2_planes[plane].length == planes[plane].length) { + dma_buf_put(dbuf); + continue; + } + + dprintk(1, "qbuf: buffer for plane %d changed\n", plane); + + /* Release previously acquired memory if present */ + __vb2_plane_dmabuf_put(q, &vb->planes[plane]); + memset(&vb->v4l2_planes[plane], 0, sizeof(struct v4l2_plane)); + + /* Acquire each plane's memory */ + mem_priv = call_memop(q, attach_dmabuf, q->alloc_ctx[plane], + dbuf, planes[plane].length, write); + if (IS_ERR(mem_priv)) { + dprintk(1, "qbuf: failed to attach dmabuf\n"); + ret = PTR_ERR(mem_priv); + dma_buf_put(dbuf); + goto err; + } + + vb->planes[plane].dbuf = dbuf; + vb->planes[plane].mem_priv = mem_priv; + } + + /* TODO: This pins the buffer(s) with dma_buf_map_attachment()).. but + * really we want to do this just before the DMA, not while queueing + * the buffer(s).. + */ + for (plane = 0; plane < vb->num_planes; ++plane) { + ret = call_memop(q, map_dmabuf, vb->planes[plane].mem_priv); + if (ret) { + dprintk(1, "qbuf: failed to map dmabuf for plane %d\n", + plane); + goto err; + } + vb->planes[plane].dbuf_mapped = 1; + } + + /* + * Call driver-specific initialization on the newly acquired buffer, + * if provided. + */ + ret = call_qop(q, buf_init, vb); + if (ret) { + dprintk(1, "qbuf: buffer initialization failed\n"); + goto err; + } + + /* + * Now that everything is in order, copy relevant information + * provided by userspace. + */ + for (plane = 0; plane < vb->num_planes; ++plane) + vb->v4l2_planes[plane] = planes[plane]; + + return 0; +err: + /* In case of errors, release planes that were already acquired */ + __vb2_buf_dmabuf_put(vb); + + return ret; +} + +/** * __enqueue_in_driver() - enqueue a vb2_buffer in driver for processing */ static void __enqueue_in_driver(struct vb2_buffer *vb) { struct vb2_queue *q = vb->vb2_queue; + unsigned int plane; vb->state = VB2_BUF_STATE_ACTIVE; atomic_inc(&q->queued_count); + + /* sync buffers */ + for (plane = 0; plane < vb->num_planes; ++plane) + call_memop(q, prepare, vb->planes[plane].mem_priv); + q->ops->buf_queue(vb); } @@ -982,6 +1165,9 @@ static int __buf_prepare(struct vb2_buffer *vb, const struct v4l2_buffer *b) case V4L2_MEMORY_USERPTR: ret = __qbuf_userptr(vb, b); break; + case V4L2_MEMORY_DMABUF: + ret = __qbuf_dmabuf(vb, b); + break; default: WARN(1, "Invalid queue type\n"); ret = -EINVAL; @@ -1303,6 +1489,30 @@ int vb2_wait_for_all_buffers(struct vb2_queue *q) EXPORT_SYMBOL_GPL(vb2_wait_for_all_buffers); /** + * __vb2_dqbuf() - bring back the buffer to the DEQUEUED state + */ +static void __vb2_dqbuf(struct vb2_buffer *vb) +{ + struct vb2_queue *q = vb->vb2_queue; + unsigned int i; + + /* nothing to do if the buffer is already dequeued */ + if (vb->state == VB2_BUF_STATE_DEQUEUED) + return; + + vb->state = VB2_BUF_STATE_DEQUEUED; + + /* unmap DMABUF buffer */ + if (q->memory == V4L2_MEMORY_DMABUF) + for (i = 0; i < vb->num_planes; ++i) { + if (!vb->planes[i].dbuf_mapped) + continue; + call_memop(q, unmap_dmabuf, vb->planes[i].mem_priv); + vb->planes[i].dbuf_mapped = 0; + } +} + +/** * vb2_dqbuf() - Dequeue a buffer to the userspace * @q: videobuf2 queue * @b: buffer structure passed from userspace to vidioc_dqbuf handler @@ -1363,11 +1573,12 @@ int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking) __fill_v4l2_buffer(vb, b); /* Remove from videobuf queue */ list_del(&vb->queued_entry); + /* go back to dequeued state */ + __vb2_dqbuf(vb); dprintk(1, "dqbuf of buffer %d, with state %d\n", vb->v4l2_buf.index, vb->state); - vb->state = VB2_BUF_STATE_DEQUEUED; return 0; } EXPORT_SYMBOL_GPL(vb2_dqbuf); @@ -1406,7 +1617,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q) * Reinitialize all buffers for next use. */ for (i = 0; i < q->num_buffers; ++i) - q->bufs[i]->state = VB2_BUF_STATE_DEQUEUED; + __vb2_dqbuf(q->bufs[i]); } /** @@ -1540,6 +1751,79 @@ static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off, } /** + * vb2_expbuf() - Export a buffer as a file descriptor + * @q: videobuf2 queue + * @eb: export buffer structure passed from userspace to vidioc_expbuf + * handler in driver + * + * The return values from this function are intended to be directly returned + * from vidioc_expbuf handler in driver. + */ +int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb) +{ + struct vb2_buffer *vb = NULL; + struct vb2_plane *vb_plane; + int ret; + struct dma_buf *dbuf; + + if (q->memory != V4L2_MEMORY_MMAP) { + dprintk(1, "Queue is not currently set up for mmap\n"); + return -EINVAL; + } + + if (!q->mem_ops->get_dmabuf) { + dprintk(1, "Queue does not support DMA buffer exporting\n"); + return -EINVAL; + } + + if (eb->flags & ~O_CLOEXEC) { + dprintk(1, "Queue does support only O_CLOEXEC flag\n"); + return -EINVAL; + } + + if (eb->type != q->type) { + dprintk(1, "qbuf: invalid buffer type\n"); + return -EINVAL; + } + + if (eb->index >= q->num_buffers) { + dprintk(1, "buffer index out of range\n"); + return -EINVAL; + } + + vb = q->bufs[eb->index]; + + if (eb->plane >= vb->num_planes) { + dprintk(1, "buffer plane out of range\n"); + return -EINVAL; + } + + vb_plane = &vb->planes[eb->plane]; + + dbuf = call_memop(q, get_dmabuf, vb_plane->mem_priv); + if (IS_ERR_OR_NULL(dbuf)) { + dprintk(1, "Failed to export buffer %d, plane %d\n", + eb->index, eb->plane); + return -EINVAL; + } + + ret = dma_buf_fd(dbuf, eb->flags); + if (ret < 0) { + dprintk(3, "buffer %d, plane %d failed to export (%d)\n", + eb->index, eb->plane, ret); + dma_buf_put(dbuf); + return ret; + } + + dprintk(3, "buffer %d, plane %d exported as %d descriptor\n", + eb->index, eb->plane, ret); + eb->fd = ret; + + return 0; +} +EXPORT_SYMBOL_GPL(vb2_expbuf); + +/** * vb2_mmap() - map video buffers into application address space * @q: videobuf2 queue * @vma: vma passed to the mmap file operation handler in the driver @@ -2245,6 +2529,16 @@ int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) } EXPORT_SYMBOL_GPL(vb2_ioctl_streamoff); +int vb2_ioctl_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *p) +{ + struct video_device *vdev = video_devdata(file); + + if (vb2_queue_is_busy(vdev, file)) + return -EBUSY; + return vb2_expbuf(vdev->queue, p); +} +EXPORT_SYMBOL_GPL(vb2_ioctl_expbuf); + /* v4l2_file_operations helpers */ int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma) diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c index 4b71326..10beaee 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c @@ -10,7 +10,10 @@ * the Free Software Foundation. */ +#include <linux/dma-buf.h> #include <linux/module.h> +#include <linux/scatterlist.h> +#include <linux/sched.h> #include <linux/slab.h> #include <linux/dma-mapping.h> @@ -23,40 +26,158 @@ struct vb2_dc_conf { }; struct vb2_dc_buf { - struct vb2_dc_conf *conf; + struct device *dev; void *vaddr; - dma_addr_t dma_addr; unsigned long size; - struct vm_area_struct *vma; - atomic_t refcount; + dma_addr_t dma_addr; + enum dma_data_direction dma_dir; + struct sg_table *dma_sgt; + + /* MMAP related */ struct vb2_vmarea_handler handler; + atomic_t refcount; + struct sg_table *sgt_base; + + /* USERPTR related */ + struct vm_area_struct *vma; + + /* DMABUF related */ + struct dma_buf_attachment *db_attach; }; -static void vb2_dma_contig_put(void *buf_priv); +/*********************************************/ +/* scatterlist table functions */ +/*********************************************/ + + +static void vb2_dc_sgt_foreach_page(struct sg_table *sgt, + void (*cb)(struct page *pg)) +{ + struct scatterlist *s; + unsigned int i; + + for_each_sg(sgt->sgl, s, sgt->orig_nents, i) { + struct page *page = sg_page(s); + unsigned int n_pages = PAGE_ALIGN(s->offset + s->length) + >> PAGE_SHIFT; + unsigned int j; + + for (j = 0; j < n_pages; ++j, ++page) + cb(page); + } +} + +static unsigned long vb2_dc_get_contiguous_size(struct sg_table *sgt) +{ + struct scatterlist *s; + dma_addr_t expected = sg_dma_address(sgt->sgl); + unsigned int i; + unsigned long size = 0; + + for_each_sg(sgt->sgl, s, sgt->nents, i) { + if (sg_dma_address(s) != expected) + break; + expected = sg_dma_address(s) + sg_dma_len(s); + size += sg_dma_len(s); + } + return size; +} + +/*********************************************/ +/* callbacks for all buffers */ +/*********************************************/ + +static void *vb2_dc_cookie(void *buf_priv) +{ + struct vb2_dc_buf *buf = buf_priv; + + return &buf->dma_addr; +} + +static void *vb2_dc_vaddr(void *buf_priv) +{ + struct vb2_dc_buf *buf = buf_priv; + + return buf->vaddr; +} + +static unsigned int vb2_dc_num_users(void *buf_priv) +{ + struct vb2_dc_buf *buf = buf_priv; + + return atomic_read(&buf->refcount); +} + +static void vb2_dc_prepare(void *buf_priv) +{ + struct vb2_dc_buf *buf = buf_priv; + struct sg_table *sgt = buf->dma_sgt; + + /* DMABUF exporter will flush the cache for us */ + if (!sgt || buf->db_attach) + return; + + dma_sync_sg_for_device(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir); +} + +static void vb2_dc_finish(void *buf_priv) +{ + struct vb2_dc_buf *buf = buf_priv; + struct sg_table *sgt = buf->dma_sgt; + + /* DMABUF exporter will flush the cache for us */ + if (!sgt || buf->db_attach) + return; + + dma_sync_sg_for_cpu(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir); +} + +/*********************************************/ +/* callbacks for MMAP buffers */ +/*********************************************/ + +static void vb2_dc_put(void *buf_priv) +{ + struct vb2_dc_buf *buf = buf_priv; + + if (!atomic_dec_and_test(&buf->refcount)) + return; + + if (buf->sgt_base) { + sg_free_table(buf->sgt_base); + kfree(buf->sgt_base); + } + dma_free_coherent(buf->dev, buf->size, buf->vaddr, buf->dma_addr); + put_device(buf->dev); + kfree(buf); +} -static void *vb2_dma_contig_alloc(void *alloc_ctx, unsigned long size) +static void *vb2_dc_alloc(void *alloc_ctx, unsigned long size) { struct vb2_dc_conf *conf = alloc_ctx; + struct device *dev = conf->dev; struct vb2_dc_buf *buf; buf = kzalloc(sizeof *buf, GFP_KERNEL); if (!buf) return ERR_PTR(-ENOMEM); - buf->vaddr = dma_alloc_coherent(conf->dev, size, &buf->dma_addr, - GFP_KERNEL); + /* align image size to PAGE_SIZE */ + size = PAGE_ALIGN(size); + + buf->vaddr = dma_alloc_coherent(dev, size, &buf->dma_addr, GFP_KERNEL); if (!buf->vaddr) { - dev_err(conf->dev, "dma_alloc_coherent of size %ld failed\n", - size); + dev_err(dev, "dma_alloc_coherent of size %ld failed\n", size); kfree(buf); return ERR_PTR(-ENOMEM); } - buf->conf = conf; + /* Prevent the device from being released while the buffer is used */ + buf->dev = get_device(dev); buf->size = size; buf->handler.refcount = &buf->refcount; - buf->handler.put = vb2_dma_contig_put; + buf->handler.put = vb2_dc_put; buf->handler.arg = buf; atomic_inc(&buf->refcount); @@ -64,100 +185,569 @@ static void *vb2_dma_contig_alloc(void *alloc_ctx, unsigned long size) return buf; } -static void vb2_dma_contig_put(void *buf_priv) +static int vb2_dc_mmap(void *buf_priv, struct vm_area_struct *vma) { struct vb2_dc_buf *buf = buf_priv; + int ret; - if (atomic_dec_and_test(&buf->refcount)) { - dma_free_coherent(buf->conf->dev, buf->size, buf->vaddr, - buf->dma_addr); - kfree(buf); + if (!buf) { + printk(KERN_ERR "No buffer to map\n"); + return -EINVAL; + } + + /* + * dma_mmap_* uses vm_pgoff as in-buffer offset, but we want to + * map whole buffer + */ + vma->vm_pgoff = 0; + + ret = dma_mmap_coherent(buf->dev, vma, buf->vaddr, + buf->dma_addr, buf->size); + + if (ret) { + pr_err("Remapping memory failed, error: %d\n", ret); + return ret; } + + vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; + vma->vm_private_data = &buf->handler; + vma->vm_ops = &vb2_common_vm_ops; + + vma->vm_ops->open(vma); + + pr_debug("%s: mapped dma addr 0x%08lx at 0x%08lx, size %ld\n", + __func__, (unsigned long)buf->dma_addr, vma->vm_start, + buf->size); + + return 0; } -static void *vb2_dma_contig_cookie(void *buf_priv) +/*********************************************/ +/* DMABUF ops for exporters */ +/*********************************************/ + +struct vb2_dc_attachment { + struct sg_table sgt; + enum dma_data_direction dir; +}; + +static int vb2_dc_dmabuf_ops_attach(struct dma_buf *dbuf, struct device *dev, + struct dma_buf_attachment *dbuf_attach) { - struct vb2_dc_buf *buf = buf_priv; + struct vb2_dc_attachment *attach; + unsigned int i; + struct scatterlist *rd, *wr; + struct sg_table *sgt; + struct vb2_dc_buf *buf = dbuf->priv; + int ret; - return &buf->dma_addr; + attach = kzalloc(sizeof(*attach), GFP_KERNEL); + if (!attach) + return -ENOMEM; + + sgt = &attach->sgt; + /* Copy the buf->base_sgt scatter list to the attachment, as we can't + * map the same scatter list to multiple attachments at the same time. + */ + ret = sg_alloc_table(sgt, buf->sgt_base->orig_nents, GFP_KERNEL); + if (ret) { + kfree(attach); + return -ENOMEM; + } + + rd = buf->sgt_base->sgl; + wr = sgt->sgl; + for (i = 0; i < sgt->orig_nents; ++i) { + sg_set_page(wr, sg_page(rd), rd->length, rd->offset); + rd = sg_next(rd); + wr = sg_next(wr); + } + + attach->dir = DMA_NONE; + dbuf_attach->priv = attach; + + return 0; } -static void *vb2_dma_contig_vaddr(void *buf_priv) +static void vb2_dc_dmabuf_ops_detach(struct dma_buf *dbuf, + struct dma_buf_attachment *db_attach) { - struct vb2_dc_buf *buf = buf_priv; - if (!buf) - return NULL; + struct vb2_dc_attachment *attach = db_attach->priv; + struct sg_table *sgt; + + if (!attach) + return; + + sgt = &attach->sgt; + + /* release the scatterlist cache */ + if (attach->dir != DMA_NONE) + dma_unmap_sg(db_attach->dev, sgt->sgl, sgt->orig_nents, + attach->dir); + sg_free_table(sgt); + kfree(attach); + db_attach->priv = NULL; +} + +static struct sg_table *vb2_dc_dmabuf_ops_map( + struct dma_buf_attachment *db_attach, enum dma_data_direction dir) +{ + struct vb2_dc_attachment *attach = db_attach->priv; + /* stealing dmabuf mutex to serialize map/unmap operations */ + struct mutex *lock = &db_attach->dmabuf->lock; + struct sg_table *sgt; + int ret; + + mutex_lock(lock); + + sgt = &attach->sgt; + /* return previously mapped sg table */ + if (attach->dir == dir) { + mutex_unlock(lock); + return sgt; + } + + /* release any previous cache */ + if (attach->dir != DMA_NONE) { + dma_unmap_sg(db_attach->dev, sgt->sgl, sgt->orig_nents, + attach->dir); + attach->dir = DMA_NONE; + } + + /* mapping to the client with new direction */ + ret = dma_map_sg(db_attach->dev, sgt->sgl, sgt->orig_nents, dir); + if (ret <= 0) { + pr_err("failed to map scatterlist\n"); + mutex_unlock(lock); + return ERR_PTR(-EIO); + } + + attach->dir = dir; + + mutex_unlock(lock); + + return sgt; +} + +static void vb2_dc_dmabuf_ops_unmap(struct dma_buf_attachment *db_attach, + struct sg_table *sgt, enum dma_data_direction dir) +{ + /* nothing to be done here */ +} + +static void vb2_dc_dmabuf_ops_release(struct dma_buf *dbuf) +{ + /* drop reference obtained in vb2_dc_get_dmabuf */ + vb2_dc_put(dbuf->priv); +} + +static void *vb2_dc_dmabuf_ops_kmap(struct dma_buf *dbuf, unsigned long pgnum) +{ + struct vb2_dc_buf *buf = dbuf->priv; + + return buf->vaddr + pgnum * PAGE_SIZE; +} + +static void *vb2_dc_dmabuf_ops_vmap(struct dma_buf *dbuf) +{ + struct vb2_dc_buf *buf = dbuf->priv; return buf->vaddr; } -static unsigned int vb2_dma_contig_num_users(void *buf_priv) +static int vb2_dc_dmabuf_ops_mmap(struct dma_buf *dbuf, + struct vm_area_struct *vma) { - struct vb2_dc_buf *buf = buf_priv; + return vb2_dc_mmap(dbuf->priv, vma); +} - return atomic_read(&buf->refcount); +static struct dma_buf_ops vb2_dc_dmabuf_ops = { + .attach = vb2_dc_dmabuf_ops_attach, + .detach = vb2_dc_dmabuf_ops_detach, + .map_dma_buf = vb2_dc_dmabuf_ops_map, + .unmap_dma_buf = vb2_dc_dmabuf_ops_unmap, + .kmap = vb2_dc_dmabuf_ops_kmap, + .kmap_atomic = vb2_dc_dmabuf_ops_kmap, + .vmap = vb2_dc_dmabuf_ops_vmap, + .mmap = vb2_dc_dmabuf_ops_mmap, + .release = vb2_dc_dmabuf_ops_release, +}; + +static struct sg_table *vb2_dc_get_base_sgt(struct vb2_dc_buf *buf) +{ + int ret; + struct sg_table *sgt; + + sgt = kmalloc(sizeof(*sgt), GFP_KERNEL); + if (!sgt) { + dev_err(buf->dev, "failed to alloc sg table\n"); + return NULL; + } + + ret = dma_get_sgtable(buf->dev, sgt, buf->vaddr, buf->dma_addr, + buf->size); + if (ret < 0) { + dev_err(buf->dev, "failed to get scatterlist from DMA API\n"); + kfree(sgt); + return NULL; + } + + return sgt; } -static int vb2_dma_contig_mmap(void *buf_priv, struct vm_area_struct *vma) +static struct dma_buf *vb2_dc_get_dmabuf(void *buf_priv) { struct vb2_dc_buf *buf = buf_priv; + struct dma_buf *dbuf; - if (!buf) { - printk(KERN_ERR "No buffer to map\n"); - return -EINVAL; + if (!buf->sgt_base) + buf->sgt_base = vb2_dc_get_base_sgt(buf); + + if (WARN_ON(!buf->sgt_base)) + return NULL; + + dbuf = dma_buf_export(buf, &vb2_dc_dmabuf_ops, buf->size, 0); + if (IS_ERR(dbuf)) + return NULL; + + /* dmabuf keeps reference to vb2 buffer */ + atomic_inc(&buf->refcount); + + return dbuf; +} + +/*********************************************/ +/* callbacks for USERPTR buffers */ +/*********************************************/ + +static inline int vma_is_io(struct vm_area_struct *vma) +{ + return !!(vma->vm_flags & (VM_IO | VM_PFNMAP)); +} + +static int vb2_dc_get_user_pages(unsigned long start, struct page **pages, + int n_pages, struct vm_area_struct *vma, int write) +{ + if (vma_is_io(vma)) { + unsigned int i; + + for (i = 0; i < n_pages; ++i, start += PAGE_SIZE) { + unsigned long pfn; + int ret = follow_pfn(vma, start, &pfn); + + if (ret) { + pr_err("no page for address %lu\n", start); + return ret; + } + pages[i] = pfn_to_page(pfn); + } + } else { + int n; + + n = get_user_pages(current, current->mm, start & PAGE_MASK, + n_pages, write, 1, pages, NULL); + /* negative error means that no page was pinned */ + n = max(n, 0); + if (n != n_pages) { + pr_err("got only %d of %d user pages\n", n, n_pages); + while (n) + put_page(pages[--n]); + return -EFAULT; + } } - return vb2_mmap_pfn_range(vma, buf->dma_addr, buf->size, - &vb2_common_vm_ops, &buf->handler); + return 0; } -static void *vb2_dma_contig_get_userptr(void *alloc_ctx, unsigned long vaddr, - unsigned long size, int write) +static void vb2_dc_put_dirty_page(struct page *page) { + set_page_dirty_lock(page); + put_page(page); +} + +static void vb2_dc_put_userptr(void *buf_priv) +{ + struct vb2_dc_buf *buf = buf_priv; + struct sg_table *sgt = buf->dma_sgt; + + dma_unmap_sg(buf->dev, sgt->sgl, sgt->orig_nents, buf->dma_dir); + if (!vma_is_io(buf->vma)) + vb2_dc_sgt_foreach_page(sgt, vb2_dc_put_dirty_page); + + sg_free_table(sgt); + kfree(sgt); + vb2_put_vma(buf->vma); + kfree(buf); +} + +static void *vb2_dc_get_userptr(void *alloc_ctx, unsigned long vaddr, + unsigned long size, int write) +{ + struct vb2_dc_conf *conf = alloc_ctx; struct vb2_dc_buf *buf; + unsigned long start; + unsigned long end; + unsigned long offset; + struct page **pages; + int n_pages; + int ret = 0; struct vm_area_struct *vma; - dma_addr_t dma_addr = 0; - int ret; + struct sg_table *sgt; + unsigned long contig_size; + unsigned long dma_align = dma_get_cache_alignment(); + + /* Only cache aligned DMA transfers are reliable */ + if (!IS_ALIGNED(vaddr | size, dma_align)) { + pr_debug("user data must be aligned to %lu bytes\n", dma_align); + return ERR_PTR(-EINVAL); + } + + if (!size) { + pr_debug("size is zero\n"); + return ERR_PTR(-EINVAL); + } buf = kzalloc(sizeof *buf, GFP_KERNEL); if (!buf) return ERR_PTR(-ENOMEM); - ret = vb2_get_contig_userptr(vaddr, size, &vma, &dma_addr); + buf->dev = conf->dev; + buf->dma_dir = write ? DMA_FROM_DEVICE : DMA_TO_DEVICE; + + start = vaddr & PAGE_MASK; + offset = vaddr & ~PAGE_MASK; + end = PAGE_ALIGN(vaddr + size); + n_pages = (end - start) >> PAGE_SHIFT; + + pages = kmalloc(n_pages * sizeof(pages[0]), GFP_KERNEL); + if (!pages) { + ret = -ENOMEM; + pr_err("failed to allocate pages table\n"); + goto fail_buf; + } + + /* current->mm->mmap_sem is taken by videobuf2 core */ + vma = find_vma(current->mm, vaddr); + if (!vma) { + pr_err("no vma for address %lu\n", vaddr); + ret = -EFAULT; + goto fail_pages; + } + + if (vma->vm_end < vaddr + size) { + pr_err("vma at %lu is too small for %lu bytes\n", vaddr, size); + ret = -EFAULT; + goto fail_pages; + } + + buf->vma = vb2_get_vma(vma); + if (!buf->vma) { + pr_err("failed to copy vma\n"); + ret = -ENOMEM; + goto fail_pages; + } + + /* extract page list from userspace mapping */ + ret = vb2_dc_get_user_pages(start, pages, n_pages, vma, write); if (ret) { - printk(KERN_ERR "Failed acquiring VMA for vaddr 0x%08lx\n", - vaddr); - kfree(buf); - return ERR_PTR(ret); + pr_err("failed to get user pages\n"); + goto fail_vma; + } + + sgt = kzalloc(sizeof(*sgt), GFP_KERNEL); + if (!sgt) { + pr_err("failed to allocate sg table\n"); + ret = -ENOMEM; + goto fail_get_user_pages; + } + + ret = sg_alloc_table_from_pages(sgt, pages, n_pages, + offset, size, GFP_KERNEL); + if (ret) { + pr_err("failed to initialize sg table\n"); + goto fail_sgt; } + /* pages are no longer needed */ + kfree(pages); + pages = NULL; + + sgt->nents = dma_map_sg(buf->dev, sgt->sgl, sgt->orig_nents, + buf->dma_dir); + if (sgt->nents <= 0) { + pr_err("failed to map scatterlist\n"); + ret = -EIO; + goto fail_sgt_init; + } + + contig_size = vb2_dc_get_contiguous_size(sgt); + if (contig_size < size) { + pr_err("contiguous mapping is too small %lu/%lu\n", + contig_size, size); + ret = -EFAULT; + goto fail_map_sg; + } + + buf->dma_addr = sg_dma_address(sgt->sgl); buf->size = size; - buf->dma_addr = dma_addr; - buf->vma = vma; + buf->dma_sgt = sgt; return buf; + +fail_map_sg: + dma_unmap_sg(buf->dev, sgt->sgl, sgt->orig_nents, buf->dma_dir); + +fail_sgt_init: + if (!vma_is_io(buf->vma)) + vb2_dc_sgt_foreach_page(sgt, put_page); + sg_free_table(sgt); + +fail_sgt: + kfree(sgt); + +fail_get_user_pages: + if (pages && !vma_is_io(buf->vma)) + while (n_pages) + put_page(pages[--n_pages]); + +fail_vma: + vb2_put_vma(buf->vma); + +fail_pages: + kfree(pages); /* kfree is NULL-proof */ + +fail_buf: + kfree(buf); + + return ERR_PTR(ret); } -static void vb2_dma_contig_put_userptr(void *mem_priv) +/*********************************************/ +/* callbacks for DMABUF buffers */ +/*********************************************/ + +static int vb2_dc_map_dmabuf(void *mem_priv) { struct vb2_dc_buf *buf = mem_priv; + struct sg_table *sgt; + unsigned long contig_size; - if (!buf) + if (WARN_ON(!buf->db_attach)) { + pr_err("trying to pin a non attached buffer\n"); + return -EINVAL; + } + + if (WARN_ON(buf->dma_sgt)) { + pr_err("dmabuf buffer is already pinned\n"); + return 0; + } + + /* get the associated scatterlist for this buffer */ + sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir); + if (IS_ERR_OR_NULL(sgt)) { + pr_err("Error getting dmabuf scatterlist\n"); + return -EINVAL; + } + + /* checking if dmabuf is big enough to store contiguous chunk */ + contig_size = vb2_dc_get_contiguous_size(sgt); + if (contig_size < buf->size) { + pr_err("contiguous chunk is too small %lu/%lu b\n", + contig_size, buf->size); + dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir); + return -EFAULT; + } + + buf->dma_addr = sg_dma_address(sgt->sgl); + buf->dma_sgt = sgt; + + return 0; +} + +static void vb2_dc_unmap_dmabuf(void *mem_priv) +{ + struct vb2_dc_buf *buf = mem_priv; + struct sg_table *sgt = buf->dma_sgt; + + if (WARN_ON(!buf->db_attach)) { + pr_err("trying to unpin a not attached buffer\n"); return; + } - vb2_put_vma(buf->vma); + if (WARN_ON(!sgt)) { + pr_err("dmabuf buffer is already unpinned\n"); + return; + } + + dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir); + + buf->dma_addr = 0; + buf->dma_sgt = NULL; +} + +static void vb2_dc_detach_dmabuf(void *mem_priv) +{ + struct vb2_dc_buf *buf = mem_priv; + + /* if vb2 works correctly you should never detach mapped buffer */ + if (WARN_ON(buf->dma_addr)) + vb2_dc_unmap_dmabuf(buf); + + /* detach this attachment */ + dma_buf_detach(buf->db_attach->dmabuf, buf->db_attach); kfree(buf); } +static void *vb2_dc_attach_dmabuf(void *alloc_ctx, struct dma_buf *dbuf, + unsigned long size, int write) +{ + struct vb2_dc_conf *conf = alloc_ctx; + struct vb2_dc_buf *buf; + struct dma_buf_attachment *dba; + + if (dbuf->size < size) + return ERR_PTR(-EFAULT); + + buf = kzalloc(sizeof(*buf), GFP_KERNEL); + if (!buf) + return ERR_PTR(-ENOMEM); + + buf->dev = conf->dev; + /* create attachment for the dmabuf with the user device */ + dba = dma_buf_attach(dbuf, buf->dev); + if (IS_ERR(dba)) { + pr_err("failed to attach dmabuf\n"); + kfree(buf); + return dba; + } + + buf->dma_dir = write ? DMA_FROM_DEVICE : DMA_TO_DEVICE; + buf->size = size; + buf->db_attach = dba; + + return buf; +} + +/*********************************************/ +/* DMA CONTIG exported functions */ +/*********************************************/ + const struct vb2_mem_ops vb2_dma_contig_memops = { - .alloc = vb2_dma_contig_alloc, - .put = vb2_dma_contig_put, - .cookie = vb2_dma_contig_cookie, - .vaddr = vb2_dma_contig_vaddr, - .mmap = vb2_dma_contig_mmap, - .get_userptr = vb2_dma_contig_get_userptr, - .put_userptr = vb2_dma_contig_put_userptr, - .num_users = vb2_dma_contig_num_users, + .alloc = vb2_dc_alloc, + .put = vb2_dc_put, + .get_dmabuf = vb2_dc_get_dmabuf, + .cookie = vb2_dc_cookie, + .vaddr = vb2_dc_vaddr, + .mmap = vb2_dc_mmap, + .get_userptr = vb2_dc_get_userptr, + .put_userptr = vb2_dc_put_userptr, + .prepare = vb2_dc_prepare, + .finish = vb2_dc_finish, + .map_dmabuf = vb2_dc_map_dmabuf, + .unmap_dmabuf = vb2_dc_unmap_dmabuf, + .attach_dmabuf = vb2_dc_attach_dmabuf, + .detach_dmabuf = vb2_dc_detach_dmabuf, + .num_users = vb2_dc_num_users, }; EXPORT_SYMBOL_GPL(vb2_dma_contig_memops); diff --git a/drivers/media/v4l2-core/videobuf2-memops.c b/drivers/media/v4l2-core/videobuf2-memops.c index 051ea35..81c1ad8 100644 --- a/drivers/media/v4l2-core/videobuf2-memops.c +++ b/drivers/media/v4l2-core/videobuf2-memops.c @@ -137,46 +137,6 @@ int vb2_get_contig_userptr(unsigned long vaddr, unsigned long size, EXPORT_SYMBOL_GPL(vb2_get_contig_userptr); /** - * vb2_mmap_pfn_range() - map physical pages to userspace - * @vma: virtual memory region for the mapping - * @paddr: starting physical address of the memory to be mapped - * @size: size of the memory to be mapped - * @vm_ops: vm operations to be assigned to the created area - * @priv: private data to be associated with the area - * - * Returns 0 on success. - */ -int vb2_mmap_pfn_range(struct vm_area_struct *vma, unsigned long paddr, - unsigned long size, - const struct vm_operations_struct *vm_ops, - void *priv) -{ - int ret; - - size = min_t(unsigned long, vma->vm_end - vma->vm_start, size); - - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - ret = remap_pfn_range(vma, vma->vm_start, paddr >> PAGE_SHIFT, - size, vma->vm_page_prot); - if (ret) { - printk(KERN_ERR "Remapping memory failed, error: %d\n", ret); - return ret; - } - - vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; - vma->vm_private_data = priv; - vma->vm_ops = vm_ops; - - vma->vm_ops->open(vma); - - pr_debug("%s: mapped paddr 0x%08lx at 0x%08lx, size %ld\n", - __func__, paddr, vma->vm_start, size); - - return 0; -} -EXPORT_SYMBOL_GPL(vb2_mmap_pfn_range); - -/** * vb2_common_vm_open() - increase refcount of the vma * @vma: virtual memory region for the mapping * diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c index 94efa04..a47fd4f 100644 --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c @@ -30,6 +30,7 @@ struct vb2_vmalloc_buf { unsigned int n_pages; atomic_t refcount; struct vb2_vmarea_handler handler; + struct dma_buf *dbuf; }; static void vb2_vmalloc_put(void *buf_priv); @@ -207,11 +208,66 @@ static int vb2_vmalloc_mmap(void *buf_priv, struct vm_area_struct *vma) return 0; } +/*********************************************/ +/* callbacks for DMABUF buffers */ +/*********************************************/ + +static int vb2_vmalloc_map_dmabuf(void *mem_priv) +{ + struct vb2_vmalloc_buf *buf = mem_priv; + + buf->vaddr = dma_buf_vmap(buf->dbuf); + + return buf->vaddr ? 0 : -EFAULT; +} + +static void vb2_vmalloc_unmap_dmabuf(void *mem_priv) +{ + struct vb2_vmalloc_buf *buf = mem_priv; + + dma_buf_vunmap(buf->dbuf, buf->vaddr); + buf->vaddr = NULL; +} + +static void vb2_vmalloc_detach_dmabuf(void *mem_priv) +{ + struct vb2_vmalloc_buf *buf = mem_priv; + + if (buf->vaddr) + dma_buf_vunmap(buf->dbuf, buf->vaddr); + + kfree(buf); +} + +static void *vb2_vmalloc_attach_dmabuf(void *alloc_ctx, struct dma_buf *dbuf, + unsigned long size, int write) +{ + struct vb2_vmalloc_buf *buf; + + if (dbuf->size < size) + return ERR_PTR(-EFAULT); + + buf = kzalloc(sizeof(*buf), GFP_KERNEL); + if (!buf) + return ERR_PTR(-ENOMEM); + + buf->dbuf = dbuf; + buf->write = write; + buf->size = size; + + return buf; +} + + const struct vb2_mem_ops vb2_vmalloc_memops = { .alloc = vb2_vmalloc_alloc, .put = vb2_vmalloc_put, .get_userptr = vb2_vmalloc_get_userptr, .put_userptr = vb2_vmalloc_put_userptr, + .map_dmabuf = vb2_vmalloc_map_dmabuf, + .unmap_dmabuf = vb2_vmalloc_unmap_dmabuf, + .attach_dmabuf = vb2_vmalloc_attach_dmabuf, + .detach_dmabuf = vb2_vmalloc_detach_dmabuf, .vaddr = vb2_vmalloc_vaddr, .mmap = vb2_vmalloc_mmap, .num_users = vb2_vmalloc_num_users, |