diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 19:23:43 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 19:42:14 (GMT) |
commit | cb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch) | |
tree | 7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/i2c/saa717x.c | |
parent | f0af8fa4dad0839f844fd0633e1936493f6d685a (diff) | |
download | linux-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.tar.xz |
[media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c/saa717x.c')
-rw-r--r-- | drivers/media/i2c/saa717x.c | 1378 |
1 files changed, 1378 insertions, 0 deletions
diff --git a/drivers/media/i2c/saa717x.c b/drivers/media/i2c/saa717x.c new file mode 100644 index 0000000..1e84466 --- /dev/null +++ b/drivers/media/i2c/saa717x.c @@ -0,0 +1,1378 @@ +/* + * saa717x - Philips SAA717xHL video decoder driver + * + * Based on the saa7115 driver + * + * Changes by Ohta Kyuma <alpha292@bremen.or.jp> + * - Apply to SAA717x,NEC uPD64031,uPD64083. (1/31/2004) + * + * Changes by T.Adachi (tadachi@tadachi-net.com) + * - support audio, video scaler etc, and checked the initialize sequence. + * + * Cleaned up by Hans Verkuil <hverkuil@xs4all.nl> + * + * Note: this is a reversed engineered driver based on captures from + * the I2C bus under Windows. This chip is very similar to the saa7134, + * though. Unfortunately, this driver is currently only working for NTSC. + * + * 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/kernel.h> +#include <linux/slab.h> +#include <linux/sched.h> + +#include <linux/videodev2.h> +#include <linux/i2c.h> +#include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> + +MODULE_DESCRIPTION("Philips SAA717x audio/video decoder driver"); +MODULE_AUTHOR("K. Ohta, T. Adachi, Hans Verkuil"); +MODULE_LICENSE("GPL"); + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Debug level (0-1)"); + +/* + * Generic i2c probe + * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' + */ + +struct saa717x_state { + struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; + v4l2_std_id std; + int input; + int enable; + int radio; + int playback; + int audio; + int tuner_audio_mode; + int audio_main_mute; + int audio_main_vol_r; + int audio_main_vol_l; + u16 audio_main_bass; + u16 audio_main_treble; + u16 audio_main_volume; + u16 audio_main_balance; + int audio_input; +}; + +static inline struct saa717x_state *to_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct saa717x_state, sd); +} + +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct saa717x_state, hdl)->sd; +} + +/* ----------------------------------------------------------------------- */ + +/* for audio mode */ +#define TUNER_AUDIO_MONO 0 /* LL */ +#define TUNER_AUDIO_STEREO 1 /* LR */ +#define TUNER_AUDIO_LANG1 2 /* LL */ +#define TUNER_AUDIO_LANG2 3 /* RR */ + +#define SAA717X_NTSC_WIDTH (704) +#define SAA717X_NTSC_HEIGHT (480) + +/* ----------------------------------------------------------------------- */ + +static int saa717x_write(struct v4l2_subdev *sd, u32 reg, u32 value) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct i2c_adapter *adap = client->adapter; + int fw_addr = reg == 0x454 || (reg >= 0x464 && reg <= 0x478) || reg == 0x480 || reg == 0x488; + unsigned char mm1[6]; + struct i2c_msg msg; + + msg.flags = 0; + msg.addr = client->addr; + mm1[0] = (reg >> 8) & 0xff; + mm1[1] = reg & 0xff; + + if (fw_addr) { + mm1[4] = (value >> 16) & 0xff; + mm1[3] = (value >> 8) & 0xff; + mm1[2] = value & 0xff; + } else { + mm1[2] = value & 0xff; + } + msg.len = fw_addr ? 5 : 3; /* Long Registers have *only* three bytes! */ + msg.buf = mm1; + v4l2_dbg(2, debug, sd, "wrote: reg 0x%03x=%08x\n", reg, value); + return i2c_transfer(adap, &msg, 1) == 1; +} + +static void saa717x_write_regs(struct v4l2_subdev *sd, u32 *data) +{ + while (data[0] || data[1]) { + saa717x_write(sd, data[0], data[1]); + data += 2; + } +} + +static u32 saa717x_read(struct v4l2_subdev *sd, u32 reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct i2c_adapter *adap = client->adapter; + int fw_addr = (reg >= 0x404 && reg <= 0x4b8) || reg == 0x528; + unsigned char mm1[2]; + unsigned char mm2[4] = { 0, 0, 0, 0 }; + struct i2c_msg msgs[2]; + u32 value; + + msgs[0].flags = 0; + msgs[1].flags = I2C_M_RD; + msgs[0].addr = msgs[1].addr = client->addr; + mm1[0] = (reg >> 8) & 0xff; + mm1[1] = reg & 0xff; + msgs[0].len = 2; + msgs[0].buf = mm1; + msgs[1].len = fw_addr ? 3 : 1; /* Multibyte Registers contains *only* 3 bytes */ + msgs[1].buf = mm2; + i2c_transfer(adap, msgs, 2); + + if (fw_addr) + value = (mm2[2] & 0xff) | ((mm2[1] & 0xff) >> 8) | ((mm2[0] & 0xff) >> 16); + else + value = mm2[0] & 0xff; + + v4l2_dbg(2, debug, sd, "read: reg 0x%03x=0x%08x\n", reg, value); + return value; +} + +/* ----------------------------------------------------------------------- */ + +static u32 reg_init_initialize[] = +{ + /* from linux driver */ + 0x101, 0x008, /* Increment delay */ + + 0x103, 0x000, /* Analog input control 2 */ + 0x104, 0x090, /* Analog input control 3 */ + 0x105, 0x090, /* Analog input control 4 */ + 0x106, 0x0eb, /* Horizontal sync start */ + 0x107, 0x0e0, /* Horizontal sync stop */ + 0x109, 0x055, /* Luminance control */ + + 0x10f, 0x02a, /* Chroma gain control */ + 0x110, 0x000, /* Chroma control 2 */ + + 0x114, 0x045, /* analog/ADC */ + + 0x118, 0x040, /* RAW data gain */ + 0x119, 0x080, /* RAW data offset */ + + 0x044, 0x000, /* VBI horizontal input window start (L) TASK A */ + 0x045, 0x000, /* VBI horizontal input window start (H) TASK A */ + 0x046, 0x0cf, /* VBI horizontal input window stop (L) TASK A */ + 0x047, 0x002, /* VBI horizontal input window stop (H) TASK A */ + + 0x049, 0x000, /* VBI vertical input window start (H) TASK A */ + + 0x04c, 0x0d0, /* VBI horizontal output length (L) TASK A */ + 0x04d, 0x002, /* VBI horizontal output length (H) TASK A */ + + 0x064, 0x080, /* Lumina brightness TASK A */ + 0x065, 0x040, /* Luminance contrast TASK A */ + 0x066, 0x040, /* Chroma saturation TASK A */ + /* 067H: Reserved */ + 0x068, 0x000, /* VBI horizontal scaling increment (L) TASK A */ + 0x069, 0x004, /* VBI horizontal scaling increment (H) TASK A */ + 0x06a, 0x000, /* VBI phase offset TASK A */ + + 0x06e, 0x000, /* Horizontal phase offset Luma TASK A */ + 0x06f, 0x000, /* Horizontal phase offset Chroma TASK A */ + + 0x072, 0x000, /* Vertical filter mode TASK A */ + + 0x084, 0x000, /* VBI horizontal input window start (L) TAKS B */ + 0x085, 0x000, /* VBI horizontal input window start (H) TAKS B */ + 0x086, 0x0cf, /* VBI horizontal input window stop (L) TAKS B */ + 0x087, 0x002, /* VBI horizontal input window stop (H) TAKS B */ + + 0x089, 0x000, /* VBI vertical input window start (H) TAKS B */ + + 0x08c, 0x0d0, /* VBI horizontal output length (L) TASK B */ + 0x08d, 0x002, /* VBI horizontal output length (H) TASK B */ + + 0x0a4, 0x080, /* Lumina brightness TASK B */ + 0x0a5, 0x040, /* Luminance contrast TASK B */ + 0x0a6, 0x040, /* Chroma saturation TASK B */ + /* 0A7H reserved */ + 0x0a8, 0x000, /* VBI horizontal scaling increment (L) TASK B */ + 0x0a9, 0x004, /* VBI horizontal scaling increment (H) TASK B */ + 0x0aa, 0x000, /* VBI phase offset TASK B */ + + 0x0ae, 0x000, /* Horizontal phase offset Luma TASK B */ + 0x0af, 0x000, /*Horizontal phase offset Chroma TASK B */ + + 0x0b2, 0x000, /* Vertical filter mode TASK B */ + + 0x00c, 0x000, /* Start point GREEN path */ + 0x00d, 0x000, /* Start point BLUE path */ + 0x00e, 0x000, /* Start point RED path */ + + 0x010, 0x010, /* GREEN path gamma curve --- */ + 0x011, 0x020, + 0x012, 0x030, + 0x013, 0x040, + 0x014, 0x050, + 0x015, 0x060, + 0x016, 0x070, + 0x017, 0x080, + 0x018, 0x090, + 0x019, 0x0a0, + 0x01a, 0x0b0, + 0x01b, 0x0c0, + 0x01c, 0x0d0, + 0x01d, 0x0e0, + 0x01e, 0x0f0, + 0x01f, 0x0ff, /* --- GREEN path gamma curve */ + + 0x020, 0x010, /* BLUE path gamma curve --- */ + 0x021, 0x020, + 0x022, 0x030, + 0x023, 0x040, + 0x024, 0x050, + 0x025, 0x060, + 0x026, 0x070, + 0x027, 0x080, + 0x028, 0x090, + 0x029, 0x0a0, + 0x02a, 0x0b0, + 0x02b, 0x0c0, + 0x02c, 0x0d0, + 0x02d, 0x0e0, + 0x02e, 0x0f0, + 0x02f, 0x0ff, /* --- BLUE path gamma curve */ + + 0x030, 0x010, /* RED path gamma curve --- */ + 0x031, 0x020, + 0x032, 0x030, + 0x033, 0x040, + 0x034, 0x050, + 0x035, 0x060, + 0x036, 0x070, + 0x037, 0x080, + 0x038, 0x090, + 0x039, 0x0a0, + 0x03a, 0x0b0, + 0x03b, 0x0c0, + 0x03c, 0x0d0, + 0x03d, 0x0e0, + 0x03e, 0x0f0, + 0x03f, 0x0ff, /* --- RED path gamma curve */ + + 0x109, 0x085, /* Luminance control */ + + /**** from app start ****/ + 0x584, 0x000, /* AGC gain control */ + 0x585, 0x000, /* Program count */ + 0x586, 0x003, /* Status reset */ + 0x588, 0x0ff, /* Number of audio samples (L) */ + 0x589, 0x00f, /* Number of audio samples (M) */ + 0x58a, 0x000, /* Number of audio samples (H) */ + 0x58b, 0x000, /* Audio select */ + 0x58c, 0x010, /* Audio channel assign1 */ + 0x58d, 0x032, /* Audio channel assign2 */ + 0x58e, 0x054, /* Audio channel assign3 */ + 0x58f, 0x023, /* Audio format */ + 0x590, 0x000, /* SIF control */ + + 0x595, 0x000, /* ?? */ + 0x596, 0x000, /* ?? */ + 0x597, 0x000, /* ?? */ + + 0x464, 0x00, /* Digital input crossbar1 */ + + 0x46c, 0xbbbb10, /* Digital output selection1-3 */ + 0x470, 0x101010, /* Digital output selection4-6 */ + + 0x478, 0x00, /* Sound feature control */ + + 0x474, 0x18, /* Softmute control */ + + 0x454, 0x0425b9, /* Sound Easy programming(reset) */ + 0x454, 0x042539, /* Sound Easy programming(reset) */ + + + /**** common setting( of DVD play, including scaler commands) ****/ + 0x042, 0x003, /* Data path configuration for VBI (TASK A) */ + + 0x082, 0x003, /* Data path configuration for VBI (TASK B) */ + + 0x108, 0x0f8, /* Sync control */ + 0x2a9, 0x0fd, /* ??? */ + 0x102, 0x089, /* select video input "mode 9" */ + 0x111, 0x000, /* Mode/delay control */ + + 0x10e, 0x00a, /* Chroma control 1 */ + + 0x594, 0x002, /* SIF, analog I/O select */ + + 0x454, 0x0425b9, /* Sound */ + 0x454, 0x042539, + + 0x111, 0x000, + 0x10e, 0x00a, + 0x464, 0x000, + 0x300, 0x000, + 0x301, 0x006, + 0x302, 0x000, + 0x303, 0x006, + 0x308, 0x040, + 0x309, 0x000, + 0x30a, 0x000, + 0x30b, 0x000, + 0x000, 0x002, + 0x001, 0x000, + 0x002, 0x000, + 0x003, 0x000, + 0x004, 0x033, + 0x040, 0x01d, + 0x041, 0x001, + 0x042, 0x004, + 0x043, 0x000, + 0x080, 0x01e, + 0x081, 0x001, + 0x082, 0x004, + 0x083, 0x000, + 0x190, 0x018, + 0x115, 0x000, + 0x116, 0x012, + 0x117, 0x018, + 0x04a, 0x011, + 0x08a, 0x011, + 0x04b, 0x000, + 0x08b, 0x000, + 0x048, 0x000, + 0x088, 0x000, + 0x04e, 0x012, + 0x08e, 0x012, + 0x058, 0x012, + 0x098, 0x012, + 0x059, 0x000, + 0x099, 0x000, + 0x05a, 0x003, + 0x09a, 0x003, + 0x05b, 0x001, + 0x09b, 0x001, + 0x054, 0x008, + 0x094, 0x008, + 0x055, 0x000, + 0x095, 0x000, + 0x056, 0x0c7, + 0x096, 0x0c7, + 0x057, 0x002, + 0x097, 0x002, + 0x0ff, 0x0ff, + 0x060, 0x001, + 0x0a0, 0x001, + 0x061, 0x000, + 0x0a1, 0x000, + 0x062, 0x000, + 0x0a2, 0x000, + 0x063, 0x000, + 0x0a3, 0x000, + 0x070, 0x000, + 0x0b0, 0x000, + 0x071, 0x004, + 0x0b1, 0x004, + 0x06c, 0x0e9, + 0x0ac, 0x0e9, + 0x06d, 0x003, + 0x0ad, 0x003, + 0x05c, 0x0d0, + 0x09c, 0x0d0, + 0x05d, 0x002, + 0x09d, 0x002, + 0x05e, 0x0f2, + 0x09e, 0x0f2, + 0x05f, 0x000, + 0x09f, 0x000, + 0x074, 0x000, + 0x0b4, 0x000, + 0x075, 0x000, + 0x0b5, 0x000, + 0x076, 0x000, + 0x0b6, 0x000, + 0x077, 0x000, + 0x0b7, 0x000, + 0x195, 0x008, + 0x0ff, 0x0ff, + 0x108, 0x0f8, + 0x111, 0x000, + 0x10e, 0x00a, + 0x2a9, 0x0fd, + 0x464, 0x001, + 0x454, 0x042135, + 0x598, 0x0e7, + 0x599, 0x07d, + 0x59a, 0x018, + 0x59c, 0x066, + 0x59d, 0x090, + 0x59e, 0x001, + 0x584, 0x000, + 0x585, 0x000, + 0x586, 0x003, + 0x588, 0x0ff, + 0x589, 0x00f, + 0x58a, 0x000, + 0x58b, 0x000, + 0x58c, 0x010, + 0x58d, 0x032, + 0x58e, 0x054, + 0x58f, 0x023, + 0x590, 0x000, + 0x595, 0x000, + 0x596, 0x000, + 0x597, 0x000, + 0x464, 0x000, + 0x46c, 0xbbbb10, + 0x470, 0x101010, + + + 0x478, 0x000, + 0x474, 0x018, + 0x454, 0x042135, + 0x598, 0x0e7, + 0x599, 0x07d, + 0x59a, 0x018, + 0x59c, 0x066, + 0x59d, 0x090, + 0x59e, 0x001, + 0x584, 0x000, + 0x585, 0x000, + 0x586, 0x003, + 0x588, 0x0ff, + 0x589, 0x00f, + 0x58a, 0x000, + 0x58b, 0x000, + 0x58c, 0x010, + 0x58d, 0x032, + 0x58e, 0x054, + 0x58f, 0x023, + 0x590, 0x000, + 0x595, 0x000, + 0x596, 0x000, + 0x597, 0x000, + 0x464, 0x000, + 0x46c, 0xbbbb10, + 0x470, 0x101010, + + 0x478, 0x000, + 0x474, 0x018, + 0x454, 0x042135, + 0x598, 0x0e7, + 0x599, 0x07d, + 0x59a, 0x018, + 0x59c, 0x066, + 0x59d, 0x090, + 0x59e, 0x001, + 0x584, 0x000, + 0x585, 0x000, + 0x586, 0x003, + 0x588, 0x0ff, + 0x589, 0x00f, + 0x58a, 0x000, + 0x58b, 0x000, + 0x58c, 0x010, + 0x58d, 0x032, + 0x58e, 0x054, + 0x58f, 0x023, + 0x590, 0x000, + 0x595, 0x000, + 0x596, 0x000, + 0x597, 0x000, + 0x464, 0x000, + 0x46c, 0xbbbb10, + 0x470, 0x101010, + 0x478, 0x000, + 0x474, 0x018, + 0x454, 0x042135, + 0x193, 0x000, + 0x300, 0x000, + 0x301, 0x006, + 0x302, 0x000, + 0x303, 0x006, + 0x308, 0x040, + 0x309, 0x000, + 0x30a, 0x000, + 0x30b, 0x000, + 0x000, 0x002, + 0x001, 0x000, + 0x002, 0x000, + 0x003, 0x000, + 0x004, 0x033, + 0x040, 0x01d, + 0x041, 0x001, + 0x042, 0x004, + 0x043, 0x000, + 0x080, 0x01e, + 0x081, 0x001, + 0x082, 0x004, + 0x083, 0x000, + 0x190, 0x018, + 0x115, 0x000, + 0x116, 0x012, + 0x117, 0x018, + 0x04a, 0x011, + 0x08a, 0x011, + 0x04b, 0x000, + 0x08b, 0x000, + 0x048, 0x000, + 0x088, 0x000, + 0x04e, 0x012, + 0x08e, 0x012, + 0x058, 0x012, + 0x098, 0x012, + 0x059, 0x000, + 0x099, 0x000, + 0x05a, 0x003, + 0x09a, 0x003, + 0x05b, 0x001, + 0x09b, 0x001, + 0x054, 0x008, + 0x094, 0x008, + 0x055, 0x000, + 0x095, 0x000, + 0x056, 0x0c7, + 0x096, 0x0c7, + 0x057, 0x002, + 0x097, 0x002, + 0x060, 0x001, + 0x0a0, 0x001, + 0x061, 0x000, + 0x0a1, 0x000, + 0x062, 0x000, + 0x0a2, 0x000, + 0x063, 0x000, + 0x0a3, 0x000, + 0x070, 0x000, + 0x0b0, 0x000, + 0x071, 0x004, + 0x0b1, 0x004, + 0x06c, 0x0e9, + 0x0ac, 0x0e9, + 0x06d, 0x003, + 0x0ad, 0x003, + 0x05c, 0x0d0, + 0x09c, 0x0d0, + 0x05d, 0x002, + 0x09d, 0x002, + 0x05e, 0x0f2, + 0x09e, 0x0f2, + 0x05f, 0x000, + 0x09f, 0x000, + 0x074, 0x000, + 0x0b4, 0x000, + 0x075, 0x000, + 0x0b5, 0x000, + 0x076, 0x000, + 0x0b6, 0x000, + 0x077, 0x000, + 0x0b7, 0x000, + 0x195, 0x008, + 0x598, 0x0e7, + 0x599, 0x07d, + 0x59a, 0x018, + 0x59c, 0x066, + 0x59d, 0x090, + 0x59e, 0x001, + 0x584, 0x000, + 0x585, 0x000, + 0x586, 0x003, + 0x588, 0x0ff, + 0x589, 0x00f, + 0x58a, 0x000, + 0x58b, 0x000, + 0x58c, 0x010, + 0x58d, 0x032, + 0x58e, 0x054, + 0x58f, 0x023, + 0x590, 0x000, + 0x595, 0x000, + 0x596, 0x000, + 0x597, 0x000, + 0x464, 0x000, + 0x46c, 0xbbbb10, + 0x470, 0x101010, + 0x478, 0x000, + 0x474, 0x018, + 0x454, 0x042135, + 0x193, 0x0a6, + 0x108, 0x0f8, + 0x042, 0x003, + 0x082, 0x003, + 0x454, 0x0425b9, + 0x454, 0x042539, + 0x193, 0x000, + 0x193, 0x0a6, + 0x464, 0x000, + + 0, 0 +}; + +/* Tuner */ +static u32 reg_init_tuner_input[] = { + 0x108, 0x0f8, /* Sync control */ + 0x111, 0x000, /* Mode/delay control */ + 0x10e, 0x00a, /* Chroma control 1 */ + 0, 0 +}; + +/* Composite */ +static u32 reg_init_composite_input[] = { + 0x108, 0x0e8, /* Sync control */ + 0x111, 0x000, /* Mode/delay control */ + 0x10e, 0x04a, /* Chroma control 1 */ + 0, 0 +}; + +/* S-Video */ +static u32 reg_init_svideo_input[] = { + 0x108, 0x0e8, /* Sync control */ + 0x111, 0x000, /* Mode/delay control */ + 0x10e, 0x04a, /* Chroma control 1 */ + 0, 0 +}; + +static u32 reg_set_audio_template[4][2] = +{ + { /* for MONO + tadachi 6/29 DMA audio output select? + Register 0x46c + 7-4: DMA2, 3-0: DMA1 ch. DMA4, DMA3 DMA2, DMA1 + 0: MAIN left, 1: MAIN right + 2: AUX1 left, 3: AUX1 right + 4: AUX2 left, 5: AUX2 right + 6: DPL left, 7: DPL right + 8: DPL center, 9: DPL surround + A: monitor output, B: digital sense */ + 0xbbbb00, + + /* tadachi 6/29 DAC and I2S output select? + Register 0x470 + 7-4:DAC right ch. 3-0:DAC left ch. + I2S1 right,left I2S2 right,left */ + 0x00, + }, + { /* for STEREO */ + 0xbbbb10, 0x101010, + }, + { /* for LANG1 */ + 0xbbbb00, 0x00, + }, + { /* for LANG2/SAP */ + 0xbbbb11, 0x111111, + } +}; + + +/* Get detected audio flags (from saa7134 driver) */ +static void get_inf_dev_status(struct v4l2_subdev *sd, + int *dual_flag, int *stereo_flag) +{ + u32 reg_data3; + + static char *stdres[0x20] = { + [0x00] = "no standard detected", + [0x01] = "B/G (in progress)", + [0x02] = "D/K (in progress)", + [0x03] = "M (in progress)", + + [0x04] = "B/G A2", + [0x05] = "B/G NICAM", + [0x06] = "D/K A2 (1)", + [0x07] = "D/K A2 (2)", + [0x08] = "D/K A2 (3)", + [0x09] = "D/K NICAM", + [0x0a] = "L NICAM", + [0x0b] = "I NICAM", + + [0x0c] = "M Korea", + [0x0d] = "M BTSC ", + [0x0e] = "M EIAJ", + + [0x0f] = "FM radio / IF 10.7 / 50 deemp", + [0x10] = "FM radio / IF 10.7 / 75 deemp", + [0x11] = "FM radio / IF sel / 50 deemp", + [0x12] = "FM radio / IF sel / 75 deemp", + + [0x13 ... 0x1e] = "unknown", + [0x1f] = "??? [in progress]", + }; + + + *dual_flag = *stereo_flag = 0; + + /* (demdec status: 0x528) */ + + /* read current status */ + reg_data3 = saa717x_read(sd, 0x0528); + + v4l2_dbg(1, debug, sd, "tvaudio thread status: 0x%x [%s%s%s]\n", + reg_data3, stdres[reg_data3 & 0x1f], + (reg_data3 & 0x000020) ? ",stereo" : "", + (reg_data3 & 0x000040) ? ",dual" : ""); + v4l2_dbg(1, debug, sd, "detailed status: " + "%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n", + (reg_data3 & 0x000080) ? " A2/EIAJ pilot tone " : "", + (reg_data3 & 0x000100) ? " A2/EIAJ dual " : "", + (reg_data3 & 0x000200) ? " A2/EIAJ stereo " : "", + (reg_data3 & 0x000400) ? " A2/EIAJ noise mute " : "", + + (reg_data3 & 0x000800) ? " BTSC/FM radio pilot " : "", + (reg_data3 & 0x001000) ? " SAP carrier " : "", + (reg_data3 & 0x002000) ? " BTSC stereo noise mute " : "", + (reg_data3 & 0x004000) ? " SAP noise mute " : "", + (reg_data3 & 0x008000) ? " VDSP " : "", + + (reg_data3 & 0x010000) ? " NICST " : "", + (reg_data3 & 0x020000) ? " NICDU " : "", + (reg_data3 & 0x040000) ? " NICAM muted " : "", + (reg_data3 & 0x080000) ? " NICAM reserve sound " : "", + + (reg_data3 & 0x100000) ? " init done " : ""); + + if (reg_data3 & 0x000220) { + v4l2_dbg(1, debug, sd, "ST!!!\n"); + *stereo_flag = 1; + } + + if (reg_data3 & 0x000140) { + v4l2_dbg(1, debug, sd, "DUAL!!!\n"); + *dual_flag = 1; + } +} + +/* regs write to set audio mode */ +static void set_audio_mode(struct v4l2_subdev *sd, int audio_mode) +{ + v4l2_dbg(1, debug, sd, "writing registers to set audio mode by set %d\n", + audio_mode); + + saa717x_write(sd, 0x46c, reg_set_audio_template[audio_mode][0]); + saa717x_write(sd, 0x470, reg_set_audio_template[audio_mode][1]); +} + +/* write regs to set audio volume, bass and treble */ +static int set_audio_regs(struct v4l2_subdev *sd, + struct saa717x_state *decoder) +{ + u8 mute = 0xac; /* -84 dB */ + u32 val; + unsigned int work_l, work_r; + + /* set SIF analog I/O select */ + saa717x_write(sd, 0x0594, decoder->audio_input); + v4l2_dbg(1, debug, sd, "set audio input %d\n", + decoder->audio_input); + + /* normalize ( 65535 to 0 -> 24 to -40 (not -84)) */ + work_l = (min(65536 - decoder->audio_main_balance, 32768) * decoder->audio_main_volume) / 32768; + work_r = (min(decoder->audio_main_balance, (u16)32768) * decoder->audio_main_volume) / 32768; + decoder->audio_main_vol_l = (long)work_l * (24 - (-40)) / 65535 - 40; + decoder->audio_main_vol_r = (long)work_r * (24 - (-40)) / 65535 - 40; + + /* set main volume */ + /* main volume L[7-0],R[7-0],0x00 24=24dB,-83dB, -84(mute) */ + /* def:0dB->6dB(MPG600GR) */ + /* if mute is on, set mute */ + if (decoder->audio_main_mute) { + val = mute | (mute << 8); + } else { + val = (u8)decoder->audio_main_vol_l | + ((u8)decoder->audio_main_vol_r << 8); + } + + saa717x_write(sd, 0x480, val); + + /* set bass and treble */ + val = decoder->audio_main_bass & 0x1f; + val |= (decoder->audio_main_treble & 0x1f) << 5; + saa717x_write(sd, 0x488, val); + return 0; +} + +/********** scaling staff ***********/ +static void set_h_prescale(struct v4l2_subdev *sd, + int task, int prescale) +{ + static const struct { + int xpsc; + int xacl; + int xc2_1; + int xdcg; + int vpfy; + } vals[] = { + /* XPSC XACL XC2_1 XDCG VPFY */ + { 1, 0, 0, 0, 0 }, + { 2, 2, 1, 2, 2 }, + { 3, 4, 1, 3, 2 }, + { 4, 8, 1, 4, 2 }, + { 5, 8, 1, 4, 2 }, + { 6, 8, 1, 4, 3 }, + { 7, 8, 1, 4, 3 }, + { 8, 15, 0, 4, 3 }, + { 9, 15, 0, 4, 3 }, + { 10, 16, 1, 5, 3 }, + }; + static const int count = ARRAY_SIZE(vals); + int i, task_shift; + + task_shift = task * 0x40; + for (i = 0; i < count; i++) + if (vals[i].xpsc == prescale) + break; + if (i == count) + return; + + /* horizonal prescaling */ + saa717x_write(sd, 0x60 + task_shift, vals[i].xpsc); + /* accumulation length */ + saa717x_write(sd, 0x61 + task_shift, vals[i].xacl); + /* level control */ + saa717x_write(sd, 0x62 + task_shift, + (vals[i].xc2_1 << 3) | vals[i].xdcg); + /*FIR prefilter control */ + saa717x_write(sd, 0x63 + task_shift, + (vals[i].vpfy << 2) | vals[i].vpfy); +} + +/********** scaling staff ***********/ +static void set_v_scale(struct v4l2_subdev *sd, int task, int yscale) +{ + int task_shift; + + task_shift = task * 0x40; + /* Vertical scaling ratio (LOW) */ + saa717x_write(sd, 0x70 + task_shift, yscale & 0xff); + /* Vertical scaling ratio (HI) */ + saa717x_write(sd, 0x71 + task_shift, yscale >> 8); +} + +static int saa717x_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = to_sd(ctrl); + struct saa717x_state *state = to_state(sd); + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + saa717x_write(sd, 0x10a, ctrl->val); + return 0; + + case V4L2_CID_CONTRAST: + saa717x_write(sd, 0x10b, ctrl->val); + return 0; + + case V4L2_CID_SATURATION: + saa717x_write(sd, 0x10c, ctrl->val); + return 0; + + case V4L2_CID_HUE: + saa717x_write(sd, 0x10d, ctrl->val); + return 0; + + case V4L2_CID_AUDIO_MUTE: + state->audio_main_mute = ctrl->val; + break; + + case V4L2_CID_AUDIO_VOLUME: + state->audio_main_volume = ctrl->val; + break; + + case V4L2_CID_AUDIO_BALANCE: + state->audio_main_balance = ctrl->val; + break; + + case V4L2_CID_AUDIO_TREBLE: + state->audio_main_treble = ctrl->val; + break; + + case V4L2_CID_AUDIO_BASS: + state->audio_main_bass = ctrl->val; + break; + + default: + return 0; + } + set_audio_regs(sd, state); + return 0; +} + +static int saa717x_s_video_routing(struct v4l2_subdev *sd, + u32 input, u32 output, u32 config) +{ + struct saa717x_state *decoder = to_state(sd); + int is_tuner = input & 0x80; /* tuner input flag */ + + input &= 0x7f; + + v4l2_dbg(1, debug, sd, "decoder set input (%d)\n", input); + /* inputs from 0-9 are available*/ + /* saa717x have mode0-mode9 but mode5 is reserved. */ + if (input > 9 || input == 5) + return -EINVAL; + + if (decoder->input != input) { + int input_line = input; + + decoder->input = input_line; + v4l2_dbg(1, debug, sd, "now setting %s input %d\n", + input_line >= 6 ? "S-Video" : "Composite", + input_line); + + /* select mode */ + saa717x_write(sd, 0x102, + (saa717x_read(sd, 0x102) & 0xf0) | + input_line); + + /* bypass chrominance trap for modes 6..9 */ + saa717x_write(sd, 0x109, + (saa717x_read(sd, 0x109) & 0x7f) | + (input_line < 6 ? 0x0 : 0x80)); + + /* change audio_mode */ + if (is_tuner) { + /* tuner */ + set_audio_mode(sd, decoder->tuner_audio_mode); + } else { + /* Force to STEREO mode if Composite or + * S-Video were chosen */ + set_audio_mode(sd, TUNER_AUDIO_STEREO); + } + /* change initialize procedure (Composite/S-Video) */ + if (is_tuner) + saa717x_write_regs(sd, reg_init_tuner_input); + else if (input_line >= 6) + saa717x_write_regs(sd, reg_init_svideo_input); + else + saa717x_write_regs(sd, reg_init_composite_input); + } + + return 0; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int saa717x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (!v4l2_chip_match_i2c_client(client, ®->match)) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + reg->val = saa717x_read(sd, reg->reg); + reg->size = 1; + return 0; +} + +static int saa717x_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + u16 addr = reg->reg & 0xffff; + u8 val = reg->val & 0xff; + + if (!v4l2_chip_match_i2c_client(client, ®->match)) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + saa717x_write(sd, addr, val); + return 0; +} +#endif + +static int saa717x_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt) +{ + int prescale, h_scale, v_scale; + + v4l2_dbg(1, debug, sd, "decoder set size\n"); + + if (fmt->code != V4L2_MBUS_FMT_FIXED) + return -EINVAL; + + /* FIXME need better bounds checking here */ + if (fmt->width < 1 || fmt->width > 1440) + return -EINVAL; + if (fmt->height < 1 || fmt->height > 960) + return -EINVAL; + + fmt->field = V4L2_FIELD_INTERLACED; + fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; + + /* scaling setting */ + /* NTSC and interlace only */ + prescale = SAA717X_NTSC_WIDTH / fmt->width; + if (prescale == 0) + prescale = 1; + h_scale = 1024 * SAA717X_NTSC_WIDTH / prescale / fmt->width; + /* interlace */ + v_scale = 512 * 2 * SAA717X_NTSC_HEIGHT / fmt->height; + + /* Horizontal prescaling etc */ + set_h_prescale(sd, 0, prescale); + set_h_prescale(sd, 1, prescale); + + /* Horizontal scaling increment */ + /* TASK A */ + saa717x_write(sd, 0x6C, (u8)(h_scale & 0xFF)); + saa717x_write(sd, 0x6D, (u8)((h_scale >> 8) & 0xFF)); + /* TASK B */ + saa717x_write(sd, 0xAC, (u8)(h_scale & 0xFF)); + saa717x_write(sd, 0xAD, (u8)((h_scale >> 8) & 0xFF)); + + /* Vertical prescaling etc */ + set_v_scale(sd, 0, v_scale); + set_v_scale(sd, 1, v_scale); + + /* set video output size */ + /* video number of pixels at output */ + /* TASK A */ + saa717x_write(sd, 0x5C, (u8)(fmt->width & 0xFF)); + saa717x_write(sd, 0x5D, (u8)((fmt->width >> 8) & 0xFF)); + /* TASK B */ + saa717x_write(sd, 0x9C, (u8)(fmt->width & 0xFF)); + saa717x_write(sd, 0x9D, (u8)((fmt->width >> 8) & 0xFF)); + + /* video number of lines at output */ + /* TASK A */ + saa717x_write(sd, 0x5E, (u8)(fmt->height & 0xFF)); + saa717x_write(sd, 0x5F, (u8)((fmt->height >> 8) & 0xFF)); + /* TASK B */ + saa717x_write(sd, 0x9E, (u8)(fmt->height & 0xFF)); + saa717x_write(sd, 0x9F, (u8)((fmt->height >> 8) & 0xFF)); + return 0; +} + +static int saa717x_s_radio(struct v4l2_subdev *sd) +{ + struct saa717x_state *decoder = to_state(sd); + + decoder->radio = 1; + return 0; +} + +static int saa717x_s_std(struct v4l2_subdev *sd, v4l2_std_id std) +{ + struct saa717x_state *decoder = to_state(sd); + + v4l2_dbg(1, debug, sd, "decoder set norm "); + v4l2_dbg(1, debug, sd, "(not yet implementd)\n"); + + decoder->radio = 0; + decoder->std = std; + return 0; +} + +static int saa717x_s_audio_routing(struct v4l2_subdev *sd, + u32 input, u32 output, u32 config) +{ + struct saa717x_state *decoder = to_state(sd); + + if (input < 3) { /* FIXME! --tadachi */ + decoder->audio_input = input; + v4l2_dbg(1, debug, sd, + "set decoder audio input to %d\n", + decoder->audio_input); + set_audio_regs(sd, decoder); + return 0; + } + return -ERANGE; +} + +static int saa717x_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct saa717x_state *decoder = to_state(sd); + + v4l2_dbg(1, debug, sd, "decoder %s output\n", + enable ? "enable" : "disable"); + decoder->enable = enable; + saa717x_write(sd, 0x193, enable ? 0xa6 : 0x26); + return 0; +} + +/* change audio mode */ +static int saa717x_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct saa717x_state *decoder = to_state(sd); + int audio_mode; + char *mes[4] = { + "MONO", "STEREO", "LANG1", "LANG2/SAP" + }; + + audio_mode = TUNER_AUDIO_STEREO; + + switch (vt->audmode) { + case V4L2_TUNER_MODE_MONO: + audio_mode = TUNER_AUDIO_MONO; + break; + case V4L2_TUNER_MODE_STEREO: + audio_mode = TUNER_AUDIO_STEREO; + break; + case V4L2_TUNER_MODE_LANG2: + audio_mode = TUNER_AUDIO_LANG2; + break; + case V4L2_TUNER_MODE_LANG1: + audio_mode = TUNER_AUDIO_LANG1; + break; + } + + v4l2_dbg(1, debug, sd, "change audio mode to %s\n", + mes[audio_mode]); + decoder->tuner_audio_mode = audio_mode; + /* The registers are not changed here. */ + /* See DECODER_ENABLE_OUTPUT section. */ + set_audio_mode(sd, decoder->tuner_audio_mode); + return 0; +} + +static int saa717x_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct saa717x_state *decoder = to_state(sd); + int dual_f, stereo_f; + + if (decoder->radio) + return 0; + get_inf_dev_status(sd, &dual_f, &stereo_f); + + v4l2_dbg(1, debug, sd, "DETECT==st:%d dual:%d\n", + stereo_f, dual_f); + + /* mono */ + if ((dual_f == 0) && (stereo_f == 0)) { + vt->rxsubchans = V4L2_TUNER_SUB_MONO; + v4l2_dbg(1, debug, sd, "DETECT==MONO\n"); + } + + /* stereo */ + if (stereo_f == 1) { + if (vt->audmode == V4L2_TUNER_MODE_STEREO || + vt->audmode == V4L2_TUNER_MODE_LANG1) { + vt->rxsubchans = V4L2_TUNER_SUB_STEREO; + v4l2_dbg(1, debug, sd, "DETECT==ST(ST)\n"); + } else { + vt->rxsubchans = V4L2_TUNER_SUB_MONO; + v4l2_dbg(1, debug, sd, "DETECT==ST(MONO)\n"); + } + } + + /* dual */ + if (dual_f == 1) { + if (vt->audmode == V4L2_TUNER_MODE_LANG2) { + vt->rxsubchans = V4L2_TUNER_SUB_LANG2 | V4L2_TUNER_SUB_MONO; + v4l2_dbg(1, debug, sd, "DETECT==DUAL1\n"); + } else { + vt->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_MONO; + v4l2_dbg(1, debug, sd, "DETECT==DUAL2\n"); + } + } + return 0; +} + +static int saa717x_log_status(struct v4l2_subdev *sd) +{ + struct saa717x_state *state = to_state(sd); + + v4l2_ctrl_handler_log_status(&state->hdl, sd->name); + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static const struct v4l2_ctrl_ops saa717x_ctrl_ops = { + .s_ctrl = saa717x_s_ctrl, +}; + +static const struct v4l2_subdev_core_ops saa717x_core_ops = { +#ifdef CONFIG_VIDEO_ADV_DEBUG + .g_register = saa717x_g_register, + .s_register = saa717x_s_register, +#endif + .s_std = saa717x_s_std, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, + .log_status = saa717x_log_status, +}; + +static const struct v4l2_subdev_tuner_ops saa717x_tuner_ops = { + .g_tuner = saa717x_g_tuner, + .s_tuner = saa717x_s_tuner, + .s_radio = saa717x_s_radio, +}; + +static const struct v4l2_subdev_video_ops saa717x_video_ops = { + .s_routing = saa717x_s_video_routing, + .s_mbus_fmt = saa717x_s_mbus_fmt, + .s_stream = saa717x_s_stream, +}; + +static const struct v4l2_subdev_audio_ops saa717x_audio_ops = { + .s_routing = saa717x_s_audio_routing, +}; + +static const struct v4l2_subdev_ops saa717x_ops = { + .core = &saa717x_core_ops, + .tuner = &saa717x_tuner_ops, + .audio = &saa717x_audio_ops, + .video = &saa717x_video_ops, +}; + +/* ----------------------------------------------------------------------- */ + + +/* i2c implementation */ + +/* ----------------------------------------------------------------------- */ +static int saa717x_probe(struct i2c_client *client, + const struct i2c_device_id *did) +{ + struct saa717x_state *decoder; + struct v4l2_ctrl_handler *hdl; + struct v4l2_subdev *sd; + u8 id = 0; + char *p = ""; + + /* Check if the adapter supports the needed features */ + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -EIO; + + decoder = kzalloc(sizeof(struct saa717x_state), GFP_KERNEL); + if (decoder == NULL) + return -ENOMEM; + + sd = &decoder->sd; + v4l2_i2c_subdev_init(sd, client, &saa717x_ops); + + if (saa717x_write(sd, 0x5a4, 0xfe) && + saa717x_write(sd, 0x5a5, 0x0f) && + saa717x_write(sd, 0x5a6, 0x00) && + saa717x_write(sd, 0x5a7, 0x01)) + id = saa717x_read(sd, 0x5a0); + if (id != 0xc2 && id != 0x32 && id != 0xf2 && id != 0x6c) { + v4l2_dbg(1, debug, sd, "saa717x not found (id=%02x)\n", id); + kfree(decoder); + return -ENODEV; + } + if (id == 0xc2) + p = "saa7173"; + else if (id == 0x32) + p = "saa7174A"; + else if (id == 0x6c) + p = "saa7174HL"; + else + p = "saa7171"; + v4l2_info(sd, "%s found @ 0x%x (%s)\n", p, + client->addr << 1, client->adapter->name); + + hdl = &decoder->hdl; + v4l2_ctrl_handler_init(hdl, 9); + /* add in ascending ID order */ + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 68); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 64); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_HUE, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_VOLUME, 0, 65535, 65535 / 100, 42000); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_BALANCE, 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_BASS, -16, 15, 1, 0); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_TREBLE, -16, 15, 1, 0); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); + sd->ctrl_handler = hdl; + if (hdl->error) { + int err = hdl->error; + + v4l2_ctrl_handler_free(hdl); + kfree(decoder); + return err; + } + + decoder->std = V4L2_STD_NTSC; + decoder->input = -1; + decoder->enable = 1; + + /* FIXME!! */ + decoder->playback = 0; /* initially capture mode used */ + decoder->audio = 1; /* DECODER_AUDIO_48_KHZ */ + + decoder->audio_input = 2; /* FIXME!! */ + + decoder->tuner_audio_mode = TUNER_AUDIO_STEREO; + /* set volume, bass and treble */ + decoder->audio_main_vol_l = 6; + decoder->audio_main_vol_r = 6; + + v4l2_dbg(1, debug, sd, "writing init values\n"); + + /* FIXME!! */ + saa717x_write_regs(sd, reg_init_initialize); + + v4l2_ctrl_handler_setup(hdl); + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(2*HZ); + return 0; +} + +static int saa717x_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + + v4l2_device_unregister_subdev(sd); + v4l2_ctrl_handler_free(sd->ctrl_handler); + kfree(to_state(sd)); + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static const struct i2c_device_id saa717x_id[] = { + { "saa717x", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, saa717x_id); + +static struct i2c_driver saa717x_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "saa717x", + }, + .probe = saa717x_probe, + .remove = saa717x_remove, + .id_table = saa717x_id, +}; + +module_i2c_driver(saa717x_driver); |