diff options
author | Davide Ferri <davidef1986@gmail.com> | 2009-06-24 01:34:06 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-27 20:52:25 (GMT) |
commit | 8d009a0c41475a482aca17d2a9fc8e6965f2fdf9 (patch) | |
tree | aeb7a8772eb1ad4d2f52198beacfd7e6480ba345 /drivers/media/common | |
parent | 32127363eebdf63be2f375ed94838a4cdb1d6fe0 (diff) | |
download | linux-fsl-qoriq-8d009a0c41475a482aca17d2a9fc8e6965f2fdf9.tar.xz |
[media] dib0700: add initial code for PCTV 340e by Davide Ferri
This is initial code written by Davide Ferri for the PCTV 340e, including
a new xc4000 driver. I am checking in all the code unmodified, and making
no assertions about its quality (other than confirming it compiles).
[mchehab@redhat.com: rebased on the top of the current tree]
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Davide Ferri <davidef1986@gmail.com>
Cc: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common')
-rw-r--r-- | drivers/media/common/tuners/Kconfig | 10 | ||||
-rw-r--r-- | drivers/media/common/tuners/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/common/tuners/tuner-types.c | 4 | ||||
-rw-r--r-- | drivers/media/common/tuners/xc4000.c | 1083 | ||||
-rw-r--r-- | drivers/media/common/tuners/xc4000.h | 61 |
5 files changed, 1159 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig index 22d3ca3..996302a 100644 --- a/drivers/media/common/tuners/Kconfig +++ b/drivers/media/common/tuners/Kconfig @@ -23,6 +23,7 @@ config MEDIA_TUNER depends on VIDEO_MEDIA && I2C select MEDIA_TUNER_XC2028 if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_XC5000 if !MEDIA_TUNER_CUSTOMISE + select MEDIA_TUNER_XC4000 if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_MT20XX if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_TDA8290 if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_TEA5761 if !MEDIA_TUNER_CUSTOMISE @@ -152,6 +153,15 @@ config MEDIA_TUNER_XC5000 This device is only used inside a SiP called together with a demodulator for now. +config MEDIA_TUNER_XC4000 + tristate "Xceive XC4000 silicon tuner" + depends on VIDEO_MEDIA && I2C + default m if MEDIA_TUNER_CUSTOMISE + help + A driver for the silicon tuner XC4000 from Xceive. + This device is only used inside a SiP called together with a + demodulator for now. + config MEDIA_TUNER_MXL5005S tristate "MaxLinear MSL5005S silicon tuner" depends on VIDEO_MEDIA && I2C diff --git a/drivers/media/common/tuners/Makefile b/drivers/media/common/tuners/Makefile index 2cb4f53..20d24fc 100644 --- a/drivers/media/common/tuners/Makefile +++ b/drivers/media/common/tuners/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_MEDIA_TUNER_TDA9887) += tda9887.o obj-$(CONFIG_MEDIA_TUNER_TDA827X) += tda827x.o obj-$(CONFIG_MEDIA_TUNER_TDA18271) += tda18271.o obj-$(CONFIG_MEDIA_TUNER_XC5000) += xc5000.o +obj-$(CONFIG_MEDIA_TUNER_XC4000) += xc4000.o obj-$(CONFIG_MEDIA_TUNER_MT2060) += mt2060.o obj-$(CONFIG_MEDIA_TUNER_MT2266) += mt2266.o obj-$(CONFIG_MEDIA_TUNER_QT1010) += qt1010.o diff --git a/drivers/media/common/tuners/tuner-types.c b/drivers/media/common/tuners/tuner-types.c index afba6dc..94a603a 100644 --- a/drivers/media/common/tuners/tuner-types.c +++ b/drivers/media/common/tuners/tuner-types.c @@ -1805,6 +1805,10 @@ struct tunertype tuners[] = { .name = "Xceive 5000 tuner", /* see xc5000.c for details */ }, + [TUNER_XC4000] = { /* Xceive 4000 */ + .name = "Xceive 4000 tuner", + /* see xc4000.c for details */ + }, [TUNER_TCL_MF02GIP_5N] = { /* TCL tuner MF02GIP-5N-E */ .name = "TCL tuner MF02GIP-5N-E", .params = tuner_tcl_mf02gip_5n_params, diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c new file mode 100644 index 0000000..68f5e2b --- /dev/null +++ b/drivers/media/common/tuners/xc4000.c @@ -0,0 +1,1083 @@ +/* + * Driver for Xceive XC4000 "QAM/8VSB single chip tuner" + * + * Copyright (c) 2007 Xceive Corporation + * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> + * Copyright (c) 2009 Devin Heitmueller <dheitmueller@kernellabs.com> + * Copyright (c) 2009 Davide Ferri <d.ferri@zero11.it> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/videodev2.h> +#include <linux/delay.h> +#include <linux/dvb/frontend.h> +#include <linux/i2c.h> + +#include "dvb_frontend.h" + +#include "xc4000.h" +#include "tuner-i2c.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); + +static int no_poweroff; +module_param(no_poweroff, int, 0644); +MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n" + "\t\t1 keep device energized and with tuner ready all the times.\n" + "\t\tFaster, but consumes more power and keeps the device hotter"); + +static DEFINE_MUTEX(xc4000_list_mutex); +static LIST_HEAD(hybrid_tuner_instance_list); + +#define dprintk(level, fmt, arg...) if (debug >= level) \ + printk(KERN_INFO "%s: " fmt, "xc4000", ## arg) + +#define XC4000_DEFAULT_FIRMWARE "dvb-fe-xc4000-1.4.26.fw" +#define XC4000_DEFAULT_FIRMWARE_SIZE 8236 + +struct xc4000_priv { + struct tuner_i2c_props i2c_props; + struct list_head hybrid_tuner_instance_list; + + u32 if_khz; + u32 freq_hz; + u32 bandwidth; + u8 video_standard; + u8 rf_mode; +}; + +/* Misc Defines */ +#define MAX_TV_STANDARD 23 +#define XC_MAX_I2C_WRITE_LENGTH 64 + +/* Signal Types */ +#define XC_RF_MODE_AIR 0 +#define XC_RF_MODE_CABLE 1 + +/* Result codes */ +#define XC_RESULT_SUCCESS 0 +#define XC_RESULT_RESET_FAILURE 1 +#define XC_RESULT_I2C_WRITE_FAILURE 2 +#define XC_RESULT_I2C_READ_FAILURE 3 +#define XC_RESULT_OUT_OF_RANGE 5 + +/* Product id */ +#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000 +#define XC_PRODUCT_ID_FW_LOADED 0x0FA0 /* WAS: 0x1388*/ + +/* Registers */ +#define XREG_INIT 0x00 +#define XREG_VIDEO_MODE 0x01 +#define XREG_AUDIO_MODE 0x02 +#define XREG_RF_FREQ 0x03 +#define XREG_D_CODE 0x04 +#define XREG_IF_OUT 0x05 /* ?? */ +#define XREG_SEEK_MODE 0x07 /* WAS: 0x06 */ +#define XREG_POWER_DOWN 0x08 /* WAS: 0x0A Obsolete */ +#define XREG_SIGNALSOURCE 0x0A /* WAS: 0x0D 0=Air, 1=Cable */ +//#define XREG_SMOOTHEDCVBS 0x0E +//#define XREG_XTALFREQ 0x0F +//#define XREG_FINERFREQ 0x10 +//#define XREG_DDIMODE 0x11 + +#define XREG_ADC_ENV 0x00 +#define XREG_QUALITY 0x01 +#define XREG_FRAME_LINES 0x02 +#define XREG_HSYNC_FREQ 0x03 +#define XREG_LOCK 0x04 +#define XREG_FREQ_ERROR 0x05 +#define XREG_SNR 0x06 +#define XREG_VERSION 0x07 +#define XREG_PRODUCT_ID 0x08 +//#define XREG_BUSY 0x09 +//#define XREG_BUILD 0x0D + +/* + Basic firmware description. This will remain with + the driver for documentation purposes. + + This represents an I2C firmware file encoded as a + string of unsigned char. Format is as follows: + + char[0 ]=len0_MSB -> len = len_MSB * 256 + len_LSB + char[1 ]=len0_LSB -> length of first write transaction + char[2 ]=data0 -> first byte to be sent + char[3 ]=data1 + char[4 ]=data2 + char[ ]=... + char[M ]=dataN -> last byte to be sent + char[M+1]=len1_MSB -> len = len_MSB * 256 + len_LSB + char[M+2]=len1_LSB -> length of second write transaction + char[M+3]=data0 + char[M+4]=data1 + ... + etc. + + The [len] value should be interpreted as follows: + + len= len_MSB _ len_LSB + len=1111_1111_1111_1111 : End of I2C_SEQUENCE + len=0000_0000_0000_0000 : Reset command: Do hardware reset + len=0NNN_NNNN_NNNN_NNNN : Normal transaction: number of bytes = {1:32767) + len=1WWW_WWWW_WWWW_WWWW : Wait command: wait for {1:32767} ms + + For the RESET and WAIT commands, the two following bytes will contain + immediately the length of the following transaction. + +*/ +struct XC_TV_STANDARD { + char *Name; + u16 AudioMode; + u16 VideoMode; +}; + +/* Tuner standards */ +#define MN_NTSC_PAL_BTSC 0 +#define MN_NTSC_PAL_A2 1 +#define MN_NTSC_PAL_EIAJ 2 +#define MN_NTSC_PAL_Mono 3 +#define BG_PAL_A2 4 +#define BG_PAL_NICAM 5 +#define BG_PAL_MONO 6 +#define I_PAL_NICAM 7 +#define I_PAL_NICAM_MONO 8 +#define DK_PAL_A2 9 +#define DK_PAL_NICAM 10 +#define DK_PAL_MONO 11 +#define DK_SECAM_A2DK1 12 +#define DK_SECAM_A2LDK3 13 +#define DK_SECAM_A2MONO 14 +#define L_SECAM_NICAM 15 +#define LC_SECAM_NICAM 16 +#define DTV6 17 +#define DTV8 18 +#define DTV7_8 19 +#define DTV7 20 +#define FM_Radio_INPUT2 21 +#define FM_Radio_INPUT1 22 + +/* WAS : +static struct XC_TV_STANDARD XC4000_Standard[MAX_TV_STANDARD] = { + {"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020}, + {"M/N-NTSC/PAL-A2", 0x0600, 0x8020}, + {"M/N-NTSC/PAL-EIAJ", 0x0440, 0x8020}, + {"M/N-NTSC/PAL-Mono", 0x0478, 0x8020}, + {"B/G-PAL-A2", 0x0A00, 0x8049}, + {"B/G-PAL-NICAM", 0x0C04, 0x8049}, + {"B/G-PAL-MONO", 0x0878, 0x8059}, + {"I-PAL-NICAM", 0x1080, 0x8009}, + {"I-PAL-NICAM-MONO", 0x0E78, 0x8009}, + {"D/K-PAL-A2", 0x1600, 0x8009}, + {"D/K-PAL-NICAM", 0x0E80, 0x8009}, + {"D/K-PAL-MONO", 0x1478, 0x8009}, + {"D/K-SECAM-A2 DK1", 0x1200, 0x8009}, + {"D/K-SECAM-A2 L/DK3", 0x0E00, 0x8009}, + {"D/K-SECAM-A2 MONO", 0x1478, 0x8009}, + {"L-SECAM-NICAM", 0x8E82, 0x0009}, + {"L'-SECAM-NICAM", 0x8E82, 0x4009}, + {"DTV6", 0x00C0, 0x8002}, + {"DTV8", 0x00C0, 0x800B}, + {"DTV7/8", 0x00C0, 0x801B}, + {"DTV7", 0x00C0, 0x8007}, + {"FM Radio-INPUT2", 0x9802, 0x9002}, + {"FM Radio-INPUT1", 0x0208, 0x9002} +};*/ + +static struct XC_TV_STANDARD XC4000_Standard[MAX_TV_STANDARD] = { + {"M/N-NTSC/PAL-BTSC", 0x0000, 0x8020}, + {"M/N-NTSC/PAL-A2", 0x0000, 0x8020}, + {"M/N-NTSC/PAL-EIAJ", 0x0040, 0x8020}, + {"M/N-NTSC/PAL-Mono", 0x0078, 0x8020}, + {"B/G-PAL-A2", 0x0000, 0x8059}, + {"B/G-PAL-NICAM", 0x0004, 0x8059}, + {"B/G-PAL-MONO", 0x0078, 0x8059}, + {"I-PAL-NICAM", 0x0080, 0x8049}, + {"I-PAL-NICAM-MONO", 0x0078, 0x8049}, + {"D/K-PAL-A2", 0x0000, 0x8049}, + {"D/K-PAL-NICAM", 0x0080, 0x8049}, + {"D/K-PAL-MONO", 0x0078, 0x8049}, + {"D/K-SECAM-A2 DK1", 0x0000, 0x8049}, + {"D/K-SECAM-A2 L/DK3", 0x0000, 0x8049}, + {"D/K-SECAM-A2 MONO", 0x0078, 0x8049}, + {"L-SECAM-NICAM", 0x8080, 0x0009}, + {"L'-SECAM-NICAM", 0x8080, 0x4009}, + {"DTV6", 0x00C0, 0x8002}, + {"DTV8", 0x00C0, 0x800B}, + {"DTV7/8", 0x00C0, 0x801B}, + {"DTV7", 0x00C0, 0x8007}, + {"FM Radio-INPUT2", 0x0008, 0x9800}, + {"FM Radio-INPUT1", 0x0008, 0x9000} +}; + +static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe); +static int xc4000_is_firmware_loaded(struct dvb_frontend *fe); +static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val); +static int xc4000_TunerReset(struct dvb_frontend *fe); + +static int xc_send_i2c_data(struct xc4000_priv *priv, u8 *buf, int len) +{ + struct i2c_msg msg = { .addr = priv->i2c_props.addr, + .flags = 0, .buf = buf, .len = len }; + + if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) { + printk(KERN_ERR "xc4000: I2C write failed (len=%i)\n", len); + return XC_RESULT_I2C_WRITE_FAILURE; + } + return XC_RESULT_SUCCESS; +} + +/* This routine is never used because the only time we read data from the + i2c bus is when we read registers, and we want that to be an atomic i2c + transaction in case we are on a multi-master bus */ +static int xc_read_i2c_data(struct xc4000_priv *priv, u8 *buf, int len) +{ + struct i2c_msg msg = { .addr = priv->i2c_props.addr, + .flags = I2C_M_RD, .buf = buf, .len = len }; + + if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) { + printk(KERN_ERR "xc4000 I2C read failed (len=%i)\n", len); + return -EREMOTEIO; + } + return 0; +} + +static void xc_wait(int wait_ms) +{ + msleep(wait_ms); +} + +static int xc4000_TunerReset(struct dvb_frontend *fe) +{ + struct xc4000_priv *priv = fe->tuner_priv; + int ret; + + dprintk(1, "%s()\n", __func__); + + if (fe->callback) { + ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ? + fe->dvb->priv : + priv->i2c_props.adap->algo_data, + DVB_FRONTEND_COMPONENT_TUNER, + XC4000_TUNER_RESET, 0); + if (ret) { + printk(KERN_ERR "xc4000: reset failed\n"); + return XC_RESULT_RESET_FAILURE; + } + } else { + printk(KERN_ERR "xc4000: no tuner reset callback function, fatal\n"); + return XC_RESULT_RESET_FAILURE; + } + return XC_RESULT_SUCCESS; +} + +static int xc_write_reg(struct xc4000_priv *priv, u16 regAddr, u16 i2cData) +{ + u8 buf[4]; +// int WatchDogTimer = 100; + int result; + + buf[0] = (regAddr >> 8) & 0xFF; + buf[1] = regAddr & 0xFF; + buf[2] = (i2cData >> 8) & 0xFF; + buf[3] = i2cData & 0xFF; + result = xc_send_i2c_data(priv, buf, 4); +//WAS THERE +// if (result == XC_RESULT_SUCCESS) { +// /* wait for busy flag to clear */ +// while ((WatchDogTimer > 0) && (result == XC_RESULT_SUCCESS)) { +// buf[0] = 0; +// buf[1] = XREG_BUSY; +// +// result = xc_send_i2c_data(priv, buf, 2); +// if (result == XC_RESULT_SUCCESS) { +// result = xc_read_i2c_data(priv, buf, 2); +// if (result == XC_RESULT_SUCCESS) { +// if ((buf[0] == 0) && (buf[1] == 0)) { +// /* busy flag cleared */ +// break; +// } else { +// xc_wait(5); /* wait 5 ms */ +// WatchDogTimer--; +// } +// } +// } +// } +// } +// if (WatchDogTimer < 0) +// result = XC_RESULT_I2C_WRITE_FAILURE; + + return result; +} + +static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence) +{ + struct xc4000_priv *priv = fe->tuner_priv; + + int i, nbytes_to_send, result; + unsigned int len, pos, index; + u8 buf[XC_MAX_I2C_WRITE_LENGTH]; + + index = 0; + while ((i2c_sequence[index] != 0xFF) || + (i2c_sequence[index + 1] != 0xFF)) { + len = i2c_sequence[index] * 256 + i2c_sequence[index+1]; + if (len == 0x0000) { + /* RESET command */ + result = xc4000_TunerReset(fe); + index += 2; + if (result != XC_RESULT_SUCCESS) + return result; + } else if (len & 0x8000) { + /* WAIT command */ + xc_wait(len & 0x7FFF); + index += 2; + } else { + /* Send i2c data whilst ensuring individual transactions + * do not exceed XC_MAX_I2C_WRITE_LENGTH bytes. + */ + index += 2; + buf[0] = i2c_sequence[index]; + buf[1] = i2c_sequence[index + 1]; + pos = 2; + while (pos < len) { + if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2) + nbytes_to_send = + XC_MAX_I2C_WRITE_LENGTH; + else + nbytes_to_send = (len - pos + 2); + for (i = 2; i < nbytes_to_send; i++) { + buf[i] = i2c_sequence[index + pos + + i - 2]; + } + result = xc_send_i2c_data(priv, buf, + nbytes_to_send); + + if (result != XC_RESULT_SUCCESS) + return result; + + pos += nbytes_to_send - 2; + } + index += len; + } + } + return XC_RESULT_SUCCESS; +} + +static int xc_initialize(struct xc4000_priv *priv) +{ + dprintk(1, "%s()\n", __func__); + return xc_write_reg(priv, XREG_INIT, 0); +} + +static int xc_SetTVStandard(struct xc4000_priv *priv, + u16 VideoMode, u16 AudioMode) +{ + int ret; + dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, VideoMode, AudioMode); + dprintk(1, "%s() Standard = %s\n", + __func__, + XC4000_Standard[priv->video_standard].Name); + + ret = xc_write_reg(priv, XREG_VIDEO_MODE, VideoMode); + if (ret == XC_RESULT_SUCCESS) + ret = xc_write_reg(priv, XREG_AUDIO_MODE, AudioMode); + + return ret; +} + +static int xc_SetSignalSource(struct xc4000_priv *priv, u16 rf_mode) +{ + dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode, + rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE"); + + if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) { + rf_mode = XC_RF_MODE_CABLE; + printk(KERN_ERR + "%s(), Invalid mode, defaulting to CABLE", + __func__); + } + return xc_write_reg(priv, XREG_SIGNALSOURCE, rf_mode); +} + +static const struct dvb_tuner_ops xc4000_tuner_ops; + +static int xc_set_RF_frequency(struct xc4000_priv *priv, u32 freq_hz) +{ + u16 freq_code; + + dprintk(1, "%s(%u)\n", __func__, freq_hz); + + if ((freq_hz > xc4000_tuner_ops.info.frequency_max) || + (freq_hz < xc4000_tuner_ops.info.frequency_min)) + return XC_RESULT_OUT_OF_RANGE; + + freq_code = (u16)(freq_hz / 15625); + + /* WAS: Starting in firmware version 1.1.44, Xceive recommends using the + FINERFREQ for all normal tuning (the doc indicates reg 0x03 should + only be used for fast scanning for channel lock) */ + return xc_write_reg(priv, XREG_RF_FREQ, freq_code); /* WAS: XREG_FINERFREQ */ +} + + +static int xc_set_IF_frequency(struct xc4000_priv *priv, u32 freq_khz) +{ + u32 freq_code = (freq_khz * 1024)/1000; + dprintk(1, "%s(freq_khz = %d) freq_code = 0x%x\n", + __func__, freq_khz, freq_code); + + return xc_write_reg(priv, XREG_IF_OUT, freq_code); +} + + +static int xc_get_ADC_Envelope(struct xc4000_priv *priv, u16 *adc_envelope) +{ + return xc4000_readreg(priv, XREG_ADC_ENV, adc_envelope); +} + +static int xc_get_frequency_error(struct xc4000_priv *priv, u32 *freq_error_hz) +{ + int result; + u16 regData; + u32 tmp; + + result = xc4000_readreg(priv, XREG_FREQ_ERROR, ®Data); + if (result != XC_RESULT_SUCCESS) + return result; + + tmp = (u32)regData; + (*freq_error_hz) = (tmp * 15625) / 1000; + return result; +} + +static int xc_get_lock_status(struct xc4000_priv *priv, u16 *lock_status) +{ + return xc4000_readreg(priv, XREG_LOCK, lock_status); +} + +static int xc_get_version(struct xc4000_priv *priv, + u8 *hw_majorversion, u8 *hw_minorversion, + u8 *fw_majorversion, u8 *fw_minorversion) +{ + u16 data; + int result; + + result = xc4000_readreg(priv, XREG_VERSION, &data); + if (result != XC_RESULT_SUCCESS) + return result; + + (*hw_majorversion) = (data >> 12) & 0x0F; + (*hw_minorversion) = (data >> 8) & 0x0F; + (*fw_majorversion) = (data >> 4) & 0x0F; + (*fw_minorversion) = data & 0x0F; + + return 0; +} + +/* WAS THERE +static int xc_get_buildversion(struct xc4000_priv *priv, u16 *buildrev) +{ + return xc4000_readreg(priv, XREG_BUILD, buildrev); +}*/ + +static int xc_get_hsync_freq(struct xc4000_priv *priv, u32 *hsync_freq_hz) +{ + u16 regData; + int result; + + result = xc4000_readreg(priv, XREG_HSYNC_FREQ, ®Data); + if (result != XC_RESULT_SUCCESS) + return result; + + (*hsync_freq_hz) = ((regData & 0x0fff) * 763)/100; + return result; +} + +static int xc_get_frame_lines(struct xc4000_priv *priv, u16 *frame_lines) +{ + return xc4000_readreg(priv, XREG_FRAME_LINES, frame_lines); +} + +static int xc_get_quality(struct xc4000_priv *priv, u16 *quality) +{ + return xc4000_readreg(priv, XREG_QUALITY, quality); +} + +static u16 WaitForLock(struct xc4000_priv *priv) +{ + u16 lockState = 0; + int watchDogCount = 40; + + while ((lockState == 0) && (watchDogCount > 0)) { + xc_get_lock_status(priv, &lockState); + if (lockState != 1) { + xc_wait(5); + watchDogCount--; + } + } + return lockState; +} + +#define XC_TUNE_ANALOG 0 +#define XC_TUNE_DIGITAL 1 +static int xc_tune_channel(struct xc4000_priv *priv, u32 freq_hz, int mode) +{ + int found = 0; + + dprintk(1, "%s(%u)\n", __func__, freq_hz); + + if (xc_set_RF_frequency(priv, freq_hz) != XC_RESULT_SUCCESS) + return 0; + + if (mode == XC_TUNE_ANALOG) { + if (WaitForLock(priv) == 1) + found = 1; + } + + return found; +} + +static int xc4000_readreg(struct xc4000_priv *priv, u16 reg, u16 *val) +{ + u8 buf[2] = { reg >> 8, reg & 0xff }; + u8 bval[2] = { 0, 0 }; + struct i2c_msg msg[2] = { + { .addr = priv->i2c_props.addr, + .flags = 0, .buf = &buf[0], .len = 2 }, + { .addr = priv->i2c_props.addr, + .flags = I2C_M_RD, .buf = &bval[0], .len = 2 }, + }; + + if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) { + printk(KERN_WARNING "xc4000: I2C read failed\n"); + return -EREMOTEIO; + } + + *val = (bval[0] << 8) | bval[1]; + return XC_RESULT_SUCCESS; +} + +static int xc4000_fwupload(struct dvb_frontend *fe) +{ + struct xc4000_priv *priv = fe->tuner_priv; + const struct firmware *fw; + int ret; + + /* request the firmware, this will block and timeout */ + printk(KERN_INFO "xc4000: waiting for firmware upload (%s)...\n", + XC4000_DEFAULT_FIRMWARE); + + ret = request_firmware(&fw, XC4000_DEFAULT_FIRMWARE, + priv->i2c_props.adap->dev.parent); + if (ret) { + printk(KERN_ERR "xc4000: Upload failed. (file not found?)\n"); + ret = XC_RESULT_RESET_FAILURE; + goto out; + } else { + printk(KERN_DEBUG "xc4000: firmware read %Zu bytes.\n", + fw->size); + ret = XC_RESULT_SUCCESS; + } + + if (fw->size != XC4000_DEFAULT_FIRMWARE_SIZE) { + printk(KERN_ERR "xc4000: firmware incorrect size\n"); + ret = XC_RESULT_RESET_FAILURE; + } else { + printk(KERN_INFO "xc4000: firmware uploading...\n"); + ret = xc_load_i2c_sequence(fe, fw->data); + printk(KERN_INFO "xc4000: firmware upload complete...\n"); + } + +out: + release_firmware(fw); + return ret; +} + +static void xc_debug_dump(struct xc4000_priv *priv) +{ + u16 adc_envelope; + u32 freq_error_hz = 0; + u16 lock_status; + u32 hsync_freq_hz = 0; + u16 frame_lines; + u16 quality; + u8 hw_majorversion = 0, hw_minorversion = 0; + u8 fw_majorversion = 0, fw_minorversion = 0; +// u16 fw_buildversion = 0; + + /* Wait for stats to stabilize. + * Frame Lines needs two frame times after initial lock + * before it is valid. + */ + xc_wait(100); + + xc_get_ADC_Envelope(priv, &adc_envelope); + dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope); + + xc_get_frequency_error(priv, &freq_error_hz); + dprintk(1, "*** Frequency error = %d Hz\n", freq_error_hz); + + xc_get_lock_status(priv, &lock_status); + dprintk(1, "*** Lock status (0-Wait, 1-Locked, 2-No-signal) = %d\n", + lock_status); + + xc_get_version(priv, &hw_majorversion, &hw_minorversion, + &fw_majorversion, &fw_minorversion); +// WAS: +// xc_get_buildversion(priv, &fw_buildversion); +// dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x.%04x\n", +// hw_majorversion, hw_minorversion, +// fw_majorversion, fw_minorversion, fw_buildversion); +// NOW: + dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x\n", + hw_majorversion, hw_minorversion, + fw_majorversion, fw_minorversion); + + xc_get_hsync_freq(priv, &hsync_freq_hz); + dprintk(1, "*** Horizontal sync frequency = %d Hz\n", hsync_freq_hz); + + xc_get_frame_lines(priv, &frame_lines); + dprintk(1, "*** Frame lines = %d\n", frame_lines); + + xc_get_quality(priv, &quality); + dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality); +} + +static int xc4000_set_params(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params) +{ + struct xc4000_priv *priv = fe->tuner_priv; + int ret; + + if (xc4000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) + xc_load_fw_and_init_tuner(fe); + + dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency); + + if (fe->ops.info.type == FE_ATSC) { + dprintk(1, "%s() ATSC\n", __func__); + switch (params->u.vsb.modulation) { + case VSB_8: + case VSB_16: + dprintk(1, "%s() VSB modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_AIR; + priv->freq_hz = params->frequency - 1750000; + priv->bandwidth = BANDWIDTH_6_MHZ; + priv->video_standard = DTV6; + break; + case QAM_64: + case QAM_256: + case QAM_AUTO: + dprintk(1, "%s() QAM modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_CABLE; + priv->freq_hz = params->frequency - 1750000; + priv->bandwidth = BANDWIDTH_6_MHZ; + priv->video_standard = DTV6; + break; + default: + return -EINVAL; + } + } else if (fe->ops.info.type == FE_OFDM) { + dprintk(1, "%s() OFDM\n", __func__); + switch (params->u.ofdm.bandwidth) { + case BANDWIDTH_6_MHZ: + priv->bandwidth = BANDWIDTH_6_MHZ; + priv->video_standard = DTV6; + priv->freq_hz = params->frequency - 1750000; + break; + case BANDWIDTH_7_MHZ: + printk(KERN_ERR "xc4000 bandwidth 7MHz not supported\n"); + return -EINVAL; + case BANDWIDTH_8_MHZ: + priv->bandwidth = BANDWIDTH_8_MHZ; + priv->video_standard = DTV8; + priv->freq_hz = params->frequency - 2750000; + break; + default: + printk(KERN_ERR "xc4000 bandwidth not set!\n"); + return -EINVAL; + } + priv->rf_mode = XC_RF_MODE_AIR; + } else { + printk(KERN_ERR "xc4000 modulation type not supported!\n"); + return -EINVAL; + } + + dprintk(1, "%s() frequency=%d (compensated)\n", + __func__, priv->freq_hz); + + ret = xc_SetSignalSource(priv, priv->rf_mode); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR + "xc4000: xc_SetSignalSource(%d) failed\n", + priv->rf_mode); + return -EREMOTEIO; + } + + ret = xc_SetTVStandard(priv, + XC4000_Standard[priv->video_standard].VideoMode, + XC4000_Standard[priv->video_standard].AudioMode); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR "xc4000: xc_SetTVStandard failed\n"); + return -EREMOTEIO; + } + + ret = xc_set_IF_frequency(priv, priv->if_khz); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR "xc4000: xc_Set_IF_frequency(%d) failed\n", + priv->if_khz); + return -EIO; + } + + xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL); + + if (debug) + xc_debug_dump(priv); + + return 0; +} + +static int xc4000_is_firmware_loaded(struct dvb_frontend *fe) +{ + struct xc4000_priv *priv = fe->tuner_priv; + int ret; + u16 id; + + ret = xc4000_readreg(priv, XREG_PRODUCT_ID, &id); + if (ret == XC_RESULT_SUCCESS) { + if (id == XC_PRODUCT_ID_FW_NOT_LOADED) + ret = XC_RESULT_RESET_FAILURE; + else + ret = XC_RESULT_SUCCESS; + } + + dprintk(1, "%s() returns %s id = 0x%x\n", __func__, + ret == XC_RESULT_SUCCESS ? "True" : "False", id); + return ret; +} + +static int xc4000_set_analog_params(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct xc4000_priv *priv = fe->tuner_priv; + int ret; + + if (xc4000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) + xc_load_fw_and_init_tuner(fe); + + dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n", + __func__, params->frequency); + + /* Fix me: it could be air. */ + priv->rf_mode = params->mode; + if (params->mode > XC_RF_MODE_CABLE) + priv->rf_mode = XC_RF_MODE_CABLE; + + /* params->frequency is in units of 62.5khz */ + priv->freq_hz = params->frequency * 62500; + + /* FIX ME: Some video standards may have several possible audio + standards. We simply default to one of them here. + */ + if (params->std & V4L2_STD_MN) { + /* default to BTSC audio standard */ + priv->video_standard = MN_NTSC_PAL_BTSC; + goto tune_channel; + } + + if (params->std & V4L2_STD_PAL_BG) { + /* default to NICAM audio standard */ + priv->video_standard = BG_PAL_NICAM; + goto tune_channel; + } + + if (params->std & V4L2_STD_PAL_I) { + /* default to NICAM audio standard */ + priv->video_standard = I_PAL_NICAM; + goto tune_channel; + } + + if (params->std & V4L2_STD_PAL_DK) { + /* default to NICAM audio standard */ + priv->video_standard = DK_PAL_NICAM; + goto tune_channel; + } + + if (params->std & V4L2_STD_SECAM_DK) { + /* default to A2 DK1 audio standard */ + priv->video_standard = DK_SECAM_A2DK1; + goto tune_channel; + } + + if (params->std & V4L2_STD_SECAM_L) { + priv->video_standard = L_SECAM_NICAM; + goto tune_channel; + } + + if (params->std & V4L2_STD_SECAM_LC) { + priv->video_standard = LC_SECAM_NICAM; + goto tune_channel; + } + +tune_channel: + ret = xc_SetSignalSource(priv, priv->rf_mode); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR + "xc4000: xc_SetSignalSource(%d) failed\n", + priv->rf_mode); + return -EREMOTEIO; + } + + ret = xc_SetTVStandard(priv, + XC4000_Standard[priv->video_standard].VideoMode, + XC4000_Standard[priv->video_standard].AudioMode); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR "xc4000: xc_SetTVStandard failed\n"); + return -EREMOTEIO; + } + + xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG); + + if (debug) + xc_debug_dump(priv); + + return 0; +} + +static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq) +{ + struct xc4000_priv *priv = fe->tuner_priv; + dprintk(1, "%s()\n", __func__); + *freq = priv->freq_hz; + return 0; +} + +static int xc4000_get_bandwidth(struct dvb_frontend *fe, u32 *bw) +{ + struct xc4000_priv *priv = fe->tuner_priv; + dprintk(1, "%s()\n", __func__); + + *bw = priv->bandwidth; + return 0; +} + +static int xc4000_get_status(struct dvb_frontend *fe, u32 *status) +{ + struct xc4000_priv *priv = fe->tuner_priv; + u16 lock_status = 0; + + xc_get_lock_status(priv, &lock_status); + + dprintk(1, "%s() lock_status = 0x%08x\n", __func__, lock_status); + + *status = lock_status; + + return 0; +} + +static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe) +{ + struct xc4000_priv *priv = fe->tuner_priv; + int ret = 0; + + if (xc4000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) { + ret = xc4000_fwupload(fe); + if (ret != XC_RESULT_SUCCESS) + return ret; + } + + /* Start the tuner self-calibration process */ + ret |= xc_initialize(priv); + + /* Wait for calibration to complete. + * We could continue but XC4000 will clock stretch subsequent + * I2C transactions until calibration is complete. This way we + * don't have to rely on clock stretching working. + */ + xc_wait(100); + + /* Default to "CABLE" mode */ + ret |= xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE); + + return ret; +} + +static int xc4000_sleep(struct dvb_frontend *fe) +{ + int ret; + + dprintk(1, "%s()\n", __func__); + + /* Avoid firmware reload on slow devices */ + if (no_poweroff) + return 0; + + /* According to Xceive technical support, the "powerdown" register + was removed in newer versions of the firmware. The "supported" + way to sleep the tuner is to pull the reset pin low for 10ms */ + ret = xc4000_TunerReset(fe); + if (ret != XC_RESULT_SUCCESS) { + printk(KERN_ERR + "xc4000: %s() unable to shutdown tuner\n", + __func__); + return -EREMOTEIO; + } else + return XC_RESULT_SUCCESS; +} + +static int xc4000_init(struct dvb_frontend *fe) +{ + struct xc4000_priv *priv = fe->tuner_priv; + dprintk(1, "%s()\n", __func__); + + if (xc_load_fw_and_init_tuner(fe) != XC_RESULT_SUCCESS) { + printk(KERN_ERR "xc4000: Unable to initialise tuner\n"); + return -EREMOTEIO; + } + + if (debug) + xc_debug_dump(priv); + + return 0; +} + +static int xc4000_release(struct dvb_frontend *fe) +{ + struct xc4000_priv *priv = fe->tuner_priv; + + dprintk(1, "%s()\n", __func__); + + mutex_lock(&xc4000_list_mutex); + + if (priv) + hybrid_tuner_release_state(priv); + + mutex_unlock(&xc4000_list_mutex); + + fe->tuner_priv = NULL; + + return 0; +} + +static const struct dvb_tuner_ops xc4000_tuner_ops = { + .info = { + .name = "Xceive XC4000", + .frequency_min = 1000000, + .frequency_max = 1023000000, + .frequency_step = 50000, + }, + + .release = xc4000_release, + .init = xc4000_init, + .sleep = xc4000_sleep, + + .set_params = xc4000_set_params, + .set_analog_params = xc4000_set_analog_params, + .get_frequency = xc4000_get_frequency, + .get_bandwidth = xc4000_get_bandwidth, + .get_status = xc4000_get_status +}; + +struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct xc4000_config *cfg) +{ + struct xc4000_priv *priv = NULL; + int instance; + u16 id = 0; + + dprintk(1, "%s(%d-%04x)\n", __func__, + i2c ? i2c_adapter_id(i2c) : -1, + cfg ? cfg->i2c_address : -1); + + mutex_lock(&xc4000_list_mutex); + + instance = hybrid_tuner_request_state(struct xc4000_priv, priv, + hybrid_tuner_instance_list, + i2c, cfg->i2c_address, "xc4000"); + switch (instance) { + case 0: + goto fail; + break; + case 1: + /* new tuner instance */ + priv->bandwidth = BANDWIDTH_6_MHZ; + fe->tuner_priv = priv; + break; + default: + /* existing tuner instance */ + fe->tuner_priv = priv; + break; + } + + if (priv->if_khz == 0) { + /* If the IF hasn't been set yet, use the value provided by + the caller (occurs in hybrid devices where the analog + call to xc4000_attach occurs before the digital side) */ + priv->if_khz = cfg->if_khz; + } + + /* Check if firmware has been loaded. It is possible that another + instance of the driver has loaded the firmware. + */ + + if (xc4000_readreg(priv, XREG_PRODUCT_ID, &id) != XC_RESULT_SUCCESS) + goto fail; + + switch (id) { + case XC_PRODUCT_ID_FW_LOADED: + printk(KERN_INFO + "xc4000: Successfully identified at address 0x%02x\n", + cfg->i2c_address); + printk(KERN_INFO + "xc4000: Firmware has been loaded previously\n"); + break; + case XC_PRODUCT_ID_FW_NOT_LOADED: + printk(KERN_INFO + "xc4000: Successfully identified at address 0x%02x\n", + cfg->i2c_address); + printk(KERN_INFO + "xc4000: Firmware has not been loaded previously\n"); + break; + default: + printk(KERN_ERR + "xc4000: Device not found at addr 0x%02x (0x%x)\n", + cfg->i2c_address, id); + goto fail; + } + + mutex_unlock(&xc4000_list_mutex); + + memcpy(&fe->ops.tuner_ops, &xc4000_tuner_ops, + sizeof(struct dvb_tuner_ops)); + + return fe; +fail: + mutex_unlock(&xc4000_list_mutex); + + xc4000_release(fe); + return NULL; +} +EXPORT_SYMBOL(xc4000_attach); + +MODULE_AUTHOR("Steven Toth, Davide Ferri"); +MODULE_DESCRIPTION("Xceive xc4000 silicon tuner driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/common/tuners/xc4000.h b/drivers/media/common/tuners/xc4000.h new file mode 100644 index 0000000..2bbbe9d --- /dev/null +++ b/drivers/media/common/tuners/xc4000.h @@ -0,0 +1,61 @@ +/* + * Driver for Xceive XC4000 "QAM/8VSB single chip tuner" + * + * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __XC4000_H__ +#define __XC4000_H__ + +#include <linux/firmware.h> + +struct dvb_frontend; +struct i2c_adapter; + +struct xc4000_config { + u8 i2c_address; + u32 if_khz; +}; + +/* xc4000 callback command */ +#define XC4000_TUNER_RESET 0 + +/* For each bridge framework, when it attaches either analog or digital, + * it has to store a reference back to its _core equivalent structure, + * so that it can service the hardware by steering gpio's etc. + * Each bridge implementation is different so cast devptr accordingly. + * The xc4000 driver cares not for this value, other than ensuring + * it's passed back to a bridge during tuner_callback(). + */ + +#if defined(CONFIG_MEDIA_TUNER_XC4000) || \ + (defined(CONFIG_MEDIA_TUNER_XC4000_MODULE) && defined(MODULE)) +extern struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct xc4000_config *cfg); +#else +static inline struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct xc4000_config *cfg) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif |