// SPDX-License-Identifier: GPL-2.0-or-later /* * saa717x - Philips SAA717xHL video decoder driver * * Based on the saa7115 driver * * Changes by Ohta Kyuma * - 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 * * 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. */ #include #include #include #include #include #include #include #include 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] << 16) | (mm2[1] << 8) | mm2[0]; else value = mm2[0]; 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; /* horizontal 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) { reg->val = saa717x_read(sd, reg->reg); reg->size = 1; return 0; } static int saa717x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { u16 addr = reg->reg & 0xffff; u8 val = reg->val & 0xff; saa717x_write(sd, addr, val); return 0; } #endif static int saa717x_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *fmt = &format->format; int prescale, h_scale, v_scale; v4l2_dbg(1, debug, sd, "decoder set size\n"); if (format->pad || fmt->code != MEDIA_BUS_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; if (format->which == V4L2_SUBDEV_FORMAT_TRY) return 0; /* 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 implemented)\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, const 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 .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_std = saa717x_s_std, .s_routing = saa717x_s_video_routing, .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_pad_ops saa717x_pad_ops = { .set_fmt = saa717x_set_fmt, }; static const struct v4l2_subdev_ops saa717x_ops = { .core = &saa717x_core_ops, .tuner = &saa717x_tuner_ops, .audio = &saa717x_audio_ops, .video = &saa717x_video_ops, .pad = &saa717x_pad_ops, }; /* ----------------------------------------------------------------------- */ /* i2c implementation */ /* ----------------------------------------------------------------------- */ static int saa717x_probe(struct i2c_client *client) { 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 = devm_kzalloc(&client->dev, sizeof(*decoder), 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); 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); 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 void 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); } /* ----------------------------------------------------------------------- */ static const struct i2c_device_id saa717x_id[] = { { "saa717x" }, { } }; MODULE_DEVICE_TABLE(i2c, saa717x_id); static struct i2c_driver saa717x_driver = { .driver = { .name = "saa717x", }, .probe = saa717x_probe, .remove = saa717x_remove, .id_table = saa717x_id, }; module_i2c_driver(saa717x_driver);