diff options
Diffstat (limited to 'drivers/media/i2c/cx25840/cx25840-core.c')
-rw-r--r-- | drivers/media/i2c/cx25840/cx25840-core.c | 915 |
1 files changed, 591 insertions, 324 deletions
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c index 371ac6bb265a..f071a9434fed 100644 --- a/drivers/media/i2c/cx25840/cx25840-core.c +++ b/drivers/media/i2c/cx25840/cx25840-core.c @@ -35,7 +35,6 @@ * GNU General Public License for more details. */ - #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> @@ -76,17 +75,17 @@ MODULE_LICENSE("GPL"); static int cx25840_debug; -module_param_named(debug,cx25840_debug, int, 0644); +module_param_named(debug, cx25840_debug, int, 0644); MODULE_PARM_DESC(debug, "Debugging messages [0=Off (default) 1=On]"); - /* ----------------------------------------------------------------------- */ static void cx23888_std_setup(struct i2c_client *client); int cx25840_write(struct i2c_client *client, u16 addr, u8 value) { u8 buffer[3]; + buffer[0] = addr >> 8; buffer[1] = addr & 0xff; buffer[2] = value; @@ -96,6 +95,7 @@ int cx25840_write(struct i2c_client *client, u16 addr, u8 value) int cx25840_write4(struct i2c_client *client, u16 addr, u32 value) { u8 buffer[6]; + buffer[0] = addr >> 8; buffer[1] = addr & 0xff; buffer[2] = value & 0xff; @@ -105,7 +105,7 @@ int cx25840_write4(struct i2c_client *client, u16 addr, u32 value) return i2c_master_send(client, buffer, 6); } -u8 cx25840_read(struct i2c_client * client, u16 addr) +u8 cx25840_read(struct i2c_client *client, u16 addr) { struct i2c_msg msgs[2]; u8 tx_buf[2], rx_buf[1]; @@ -116,13 +116,13 @@ u8 cx25840_read(struct i2c_client * client, u16 addr) msgs[0].addr = client->addr; msgs[0].flags = 0; msgs[0].len = 2; - msgs[0].buf = (char *) tx_buf; + msgs[0].buf = (char *)tx_buf; /* Read data from register */ msgs[1].addr = client->addr; msgs[1].flags = I2C_M_RD; msgs[1].len = 1; - msgs[1].buf = (char *) rx_buf; + msgs[1].buf = (char *)rx_buf; if (i2c_transfer(client->adapter, msgs, 2) < 2) return 0; @@ -130,7 +130,7 @@ u8 cx25840_read(struct i2c_client * client, u16 addr) return rx_buf[0]; } -u32 cx25840_read4(struct i2c_client * client, u16 addr) +u32 cx25840_read4(struct i2c_client *client, u16 addr) { struct i2c_msg msgs[2]; u8 tx_buf[2], rx_buf[4]; @@ -141,13 +141,13 @@ u32 cx25840_read4(struct i2c_client * client, u16 addr) msgs[0].addr = client->addr; msgs[0].flags = 0; msgs[0].len = 2; - msgs[0].buf = (char *) tx_buf; + msgs[0].buf = (char *)tx_buf; /* Read data from registers */ msgs[1].addr = client->addr; msgs[1].flags = I2C_M_RD; msgs[1].len = 4; - msgs[1].buf = (char *) rx_buf; + msgs[1].buf = (char *)rx_buf; if (i2c_transfer(client->adapter, msgs, 2) < 2) return 0; @@ -156,7 +156,7 @@ u32 cx25840_read4(struct i2c_client * client, u16 addr) rx_buf[0]; } -int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask, +int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned int and_mask, u8 or_value) { return cx25840_write(client, addr, @@ -174,13 +174,14 @@ int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask, /* ----------------------------------------------------------------------- */ -static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input, - enum cx25840_audio_input aud_input); +static int set_input(struct i2c_client *client, + enum cx25840_video_input vid_input, + enum cx25840_audio_input aud_input); /* ----------------------------------------------------------------------- */ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n, - struct v4l2_subdev_io_pin_config *p) + struct v4l2_subdev_io_pin_config *p) { struct i2c_client *client = v4l2_get_subdevdata(sd); int i; @@ -411,7 +412,6 @@ static int cx25840_s_io_pin_config(struct v4l2_subdev *sd, size_t n, if (strength != CX25840_PIN_DRIVE_SLOW && strength != CX25840_PIN_DRIVE_MEDIUM && strength != CX25840_PIN_DRIVE_FAST) { - v4l_err(client, "invalid drive speed for pin %u (%u), assuming fast\n", (unsigned int)p[i].pin, @@ -531,7 +531,7 @@ static int cx25840_s_io_pin_config(struct v4l2_subdev *sd, size_t n, } static int common_s_io_pin_config(struct v4l2_subdev *sd, size_t n, - struct v4l2_subdev_io_pin_config *pincfg) + struct v4l2_subdev_io_pin_config *pincfg) { struct cx25840_state *state = to_state(sd); @@ -546,8 +546,10 @@ static int common_s_io_pin_config(struct v4l2_subdev *sd, size_t n, static void init_dll1(struct i2c_client *client) { - /* This is the Hauppauge sequence used to - * initialize the Delay Lock Loop 1 (ADC DLL). */ + /* + * This is the Hauppauge sequence used to + * initialize the Delay Lock Loop 1 (ADC DLL). + */ cx25840_write(client, 0x159, 0x23); cx25840_write(client, 0x15a, 0x87); cx25840_write(client, 0x15b, 0x06); @@ -562,8 +564,10 @@ static void init_dll1(struct i2c_client *client) static void init_dll2(struct i2c_client *client) { - /* This is the Hauppauge sequence used to - * initialize the Delay Lock Loop 2 (ADC DLL). */ + /* + * This is the Hauppauge sequence used to + * initialize the Delay Lock Loop 2 (ADC DLL). + */ cx25840_write(client, 0x15d, 0xe3); cx25840_write(client, 0x15e, 0x86); cx25840_write(client, 0x15f, 0x06); @@ -575,7 +579,11 @@ static void init_dll2(struct i2c_client *client) static void cx25836_initialize(struct i2c_client *client) { - /* reset configuration is described on page 3-77 of the CX25836 datasheet */ + /* + *reset configuration is described on page 3-77 + * of the CX25836 datasheet + */ + /* 2. */ cx25840_and_or(client, 0x000, ~0x01, 0x01); cx25840_and_or(client, 0x000, ~0x01, 0x00); @@ -601,6 +609,7 @@ static void cx25836_initialize(struct i2c_client *client) static void cx25840_work_handler(struct work_struct *work) { struct cx25840_state *state = container_of(work, struct cx25840_state, fw_work); + cx25840_loadfw(state->c); wake_up(&state->fw_wait); } @@ -699,8 +708,10 @@ static void cx25840_initialize(struct i2c_client *client) /* datasheet startup in numbered steps, refer to page 3-77 */ /* 2. */ cx25840_and_or(client, 0x803, ~0x10, 0x00); - /* The default of this register should be 4, but I get 0 instead. - * Set this register to 4 manually. */ + /* + * The default of this register should be 4, but I get 0 instead. + * Set this register to 4 manually. + */ cx25840_write(client, 0x000, 0x04); /* 3. */ init_dll1(client); @@ -710,10 +721,12 @@ static void cx25840_initialize(struct i2c_client *client) cx25840_write(client, 0x13c, 0x01); cx25840_write(client, 0x13c, 0x00); /* 5. */ - /* Do the firmware load in a work handler to prevent. - Otherwise the kernel is blocked waiting for the - bit-banging i2c interface to finish uploading the - firmware. */ + /* + * Do the firmware load in a work handler to prevent. + * Otherwise the kernel is blocked waiting for the + * bit-banging i2c interface to finish uploading the + * firmware. + */ INIT_WORK(&state->fw_work, cx25840_work_handler); init_waitqueue_head(&state->fw_wait); q = create_singlethread_workqueue("cx25840_fw"); @@ -945,10 +958,12 @@ static void cx23885_initialize(struct i2c_client *client) cx25840_write(client, 0x160, 0x1d); cx25840_write(client, 0x164, 0x00); - /* Do the firmware load in a work handler to prevent. - Otherwise the kernel is blocked waiting for the - bit-banging i2c interface to finish uploading the - firmware. */ + /* + * Do the firmware load in a work handler to prevent. + * Otherwise the kernel is blocked waiting for the + * bit-banging i2c interface to finish uploading the + * firmware. + */ INIT_WORK(&state->fw_work, cx25840_work_handler); init_waitqueue_head(&state->fw_wait); q = create_singlethread_workqueue("cx25840_fw"); @@ -960,7 +975,8 @@ static void cx23885_initialize(struct i2c_client *client) destroy_workqueue(q); } - /* Call the cx23888 specific std setup func, we no longer rely on + /* + * Call the cx23888 specific std setup func, we no longer rely on * the generic cx24840 func. */ if (is_cx23888(state)) @@ -982,7 +998,9 @@ static void cx23885_initialize(struct i2c_client *client) cx25840_write(client, CX25840_AUD_INT_STAT_REG, 0xff); /* CC raw enable */ - /* - VIP 1.1 control codes - 10bit, blue field enable. + + /* + * - VIP 1.1 control codes - 10bit, blue field enable. * - enable raw data during vertical blanking. * - enable ancillary Data insertion for 656 or VIP. */ @@ -1065,10 +1083,12 @@ static void cx231xx_initialize(struct i2c_client *client) /* White crush, Chroma AGC & Chroma Killer enabled */ cx25840_write(client, 0x401, 0xe8); - /* Do the firmware load in a work handler to prevent. - Otherwise the kernel is blocked waiting for the - bit-banging i2c interface to finish uploading the - firmware. */ + /* + * Do the firmware load in a work handler to prevent. + * Otherwise the kernel is blocked waiting for the + * bit-banging i2c interface to finish uploading the + * firmware. + */ INIT_WORK(&state->fw_work, cx25840_work_handler); init_waitqueue_head(&state->fw_wait); q = create_singlethread_workqueue("cx25840_fw"); @@ -1164,8 +1184,9 @@ void cx25840_std_setup(struct i2c_client *client) vblank = 26; vblank656 = 26; burst = 0x5b; - } else + } else { burst = 0x59; + } luma_lpf = 2; comb = 0x20; sc = 688739; @@ -1200,24 +1221,28 @@ void cx25840_std_setup(struct i2c_client *client) int pll = (28636363L * ((((u64)pll_int) << 25L) + pll_frac)) >> 25L; pll /= pll_post; - v4l_dbg(1, cx25840_debug, client, "PLL = %d.%06d MHz\n", - pll / 1000000, pll % 1000000); - v4l_dbg(1, cx25840_debug, client, "PLL/8 = %d.%06d MHz\n", - pll / 8000000, (pll / 8) % 1000000); + v4l_dbg(1, cx25840_debug, client, + "PLL = %d.%06d MHz\n", + pll / 1000000, pll % 1000000); + v4l_dbg(1, cx25840_debug, client, + "PLL/8 = %d.%06d MHz\n", + pll / 8000000, (pll / 8) % 1000000); fin = ((u64)src_decimation * pll) >> 12; v4l_dbg(1, cx25840_debug, client, - "ADC Sampling freq = %d.%06d MHz\n", - fin / 1000000, fin % 1000000); + "ADC Sampling freq = %d.%06d MHz\n", + fin / 1000000, fin % 1000000); fsc = (((u64)sc) * pll) >> 24L; v4l_dbg(1, cx25840_debug, client, - "Chroma sub-carrier freq = %d.%06d MHz\n", - fsc / 1000000, fsc % 1000000); + "Chroma sub-carrier freq = %d.%06d MHz\n", + fsc / 1000000, fsc % 1000000); - v4l_dbg(1, cx25840_debug, client, "hblank %i, hactive %i, vblank %i, vactive %i, vblank656 %i, src_dec %i, burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, sc 0x%06x\n", + v4l_dbg(1, cx25840_debug, client, + "hblank %i, hactive %i, vblank %i, vactive %i, vblank656 %i, src_dec %i, burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, sc 0x%06x\n", hblank, hactive, vblank, vactive, vblank656, - src_decimation, burst, luma_lpf, uv_lpf, comb, sc); + src_decimation, burst, luma_lpf, uv_lpf, + comb, sc); } } @@ -1272,10 +1297,10 @@ static void input_change(struct i2c_client *client) /* Follow step 8c and 8d of section 3.16 in the cx25840 datasheet */ if (std & V4L2_STD_SECAM) { cx25840_write(client, 0x402, 0); - } - else { + } else { cx25840_write(client, 0x402, 0x04); - cx25840_write(client, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11); + cx25840_write(client, 0x49f, + (std & V4L2_STD_NTSC) ? 0x14 : 0x11); } cx25840_and_or(client, 0x401, ~0x60, 0); cx25840_and_or(client, 0x401, ~0x60, 0x60); @@ -1289,13 +1314,14 @@ static void input_change(struct i2c_client *client) if (state->radio) { cx25840_write(client, 0x808, 0xf9); cx25840_write(client, 0x80b, 0x00); - } - else if (std & V4L2_STD_525_60) { - /* Certain Hauppauge PVR150 models have a hardware bug - that causes audio to drop out. For these models the - audio standard must be set explicitly. - To be precise: it affects cards with tuner models - 85, 99 and 112 (model numbers from tveeprom). */ + } else if (std & V4L2_STD_525_60) { + /* + * Certain Hauppauge PVR150 models have a hardware bug + * that causes audio to drop out. For these models the + * audio standard must be set explicitly. + * To be precise: it affects cards with tuner models + * 85, 99 and 112 (model numbers from tveeprom). + */ int hw_fix = state->pvr150_workaround; if (std == V4L2_STD_NTSC_M_JP) { @@ -1312,35 +1338,40 @@ static void input_change(struct i2c_client *client) } else if (std & V4L2_STD_PAL) { /* Autodetect audio standard and audio system */ cx25840_write(client, 0x808, 0xff); - /* Since system PAL-L is pretty much non-existent and - not used by any public broadcast network, force - 6.5 MHz carrier to be interpreted as System DK, - this avoids DK audio detection instability */ + /* + * Since system PAL-L is pretty much non-existent and + * not used by any public broadcast network, force + * 6.5 MHz carrier to be interpreted as System DK, + * this avoids DK audio detection instability + */ cx25840_write(client, 0x80b, 0x00); } else if (std & V4L2_STD_SECAM) { /* Autodetect audio standard and audio system */ cx25840_write(client, 0x808, 0xff); - /* If only one of SECAM-DK / SECAM-L is required, then force - 6.5MHz carrier, else autodetect it */ + /* + * If only one of SECAM-DK / SECAM-L is required, then force + * 6.5MHz carrier, else autodetect it + */ if ((std & V4L2_STD_SECAM_DK) && !(std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))) { /* 6.5 MHz carrier to be interpreted as System DK */ cx25840_write(client, 0x80b, 0x00); - } else if (!(std & V4L2_STD_SECAM_DK) && - (std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))) { + } else if (!(std & V4L2_STD_SECAM_DK) && + (std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))) { /* 6.5 MHz carrier to be interpreted as System L */ cx25840_write(client, 0x80b, 0x08); - } else { + } else { /* 6.5 MHz carrier to be autodetected */ cx25840_write(client, 0x80b, 0x10); - } + } } cx25840_and_or(client, 0x810, ~0x01, 0); } -static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input, - enum cx25840_audio_input aud_input) +static int set_input(struct i2c_client *client, + enum cx25840_video_input vid_input, + enum cx25840_audio_input aud_input) { struct cx25840_state *state = to_state(i2c_get_clientdata(client)); u8 is_composite = (vid_input >= CX25840_COMPOSITE1 && @@ -1365,7 +1396,7 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp vid_input); reg = vid_input & 0xff; is_composite = !is_component && - ((vid_input & CX25840_SVIDEO_ON) != CX25840_SVIDEO_ON); + ((vid_input & CX25840_SVIDEO_ON) != CX25840_SVIDEO_ON); v4l_dbg(1, cx25840_debug, client, "mux cfg 0x%x comp=%d\n", reg, is_composite); @@ -1373,8 +1404,10 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp reg = 0xf0 + (vid_input - CX25840_COMPOSITE1); } else { if ((vid_input & ~0xff0) || - luma < CX25840_SVIDEO_LUMA1 || luma > CX25840_SVIDEO_LUMA8 || - chroma < CX25840_SVIDEO_CHROMA4 || chroma > CX25840_SVIDEO_CHROMA8) { + luma < CX25840_SVIDEO_LUMA1 || + luma > CX25840_SVIDEO_LUMA8 || + chroma < CX25840_SVIDEO_CHROMA4 || + chroma > CX25840_SVIDEO_CHROMA8) { v4l_err(client, "0x%04x is not a valid video input!\n", vid_input); return -EINVAL; @@ -1398,12 +1431,24 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp case CX25840_AUDIO_SERIAL: /* do nothing, use serial audio input */ break; - case CX25840_AUDIO4: reg &= ~0x30; break; - case CX25840_AUDIO5: reg &= ~0x30; reg |= 0x10; break; - case CX25840_AUDIO6: reg &= ~0x30; reg |= 0x20; break; - case CX25840_AUDIO7: reg &= ~0xc0; break; - case CX25840_AUDIO8: reg &= ~0xc0; reg |= 0x40; break; - + case CX25840_AUDIO4: + reg &= ~0x30; + break; + case CX25840_AUDIO5: + reg &= ~0x30; + reg |= 0x10; + break; + case CX25840_AUDIO6: + reg &= ~0x30; + reg |= 0x20; + break; + case CX25840_AUDIO7: + reg &= ~0xc0; + break; + case CX25840_AUDIO8: + reg &= ~0xc0; + reg |= 0x40; + break; default: v4l_err(client, "0x%04x is not a valid audio input!\n", aud_input); @@ -1420,7 +1465,6 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02); if (is_cx2388x(state)) { - /* Enable or disable the DIF for tuner use */ if (is_dif) { cx25840_and_or(client, 0x102, ~0x80, 0x80); @@ -1451,15 +1495,23 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp cx25840_write4(client, 0x410, 0xffff0dbf); cx25840_write4(client, 0x414, 0x00137d03); - cx25840_write4(client, state->vbi_regs_offset + 0x42c, 0x42600000); - cx25840_write4(client, state->vbi_regs_offset + 0x430, 0x0000039b); - cx25840_write4(client, state->vbi_regs_offset + 0x438, 0x00000000); - - cx25840_write4(client, state->vbi_regs_offset + 0x440, 0xF8E3E824); - cx25840_write4(client, state->vbi_regs_offset + 0x444, 0x401040dc); - cx25840_write4(client, state->vbi_regs_offset + 0x448, 0xcd3f02a0); - cx25840_write4(client, state->vbi_regs_offset + 0x44c, 0x161f1000); - cx25840_write4(client, state->vbi_regs_offset + 0x450, 0x00000802); + cx25840_write4(client, state->vbi_regs_offset + 0x42c, + 0x42600000); + cx25840_write4(client, state->vbi_regs_offset + 0x430, + 0x0000039b); + cx25840_write4(client, state->vbi_regs_offset + 0x438, + 0x00000000); + + cx25840_write4(client, state->vbi_regs_offset + 0x440, + 0xF8E3E824); + cx25840_write4(client, state->vbi_regs_offset + 0x444, + 0x401040dc); + cx25840_write4(client, state->vbi_regs_offset + 0x448, + 0xcd3f02a0); + cx25840_write4(client, state->vbi_regs_offset + 0x44c, + 0x161f1000); + cx25840_write4(client, state->vbi_regs_offset + 0x450, + 0x00000802); cx25840_write4(client, 0x91c, 0x01000000); cx25840_write4(client, 0x8e0, 0x03063870); @@ -1526,8 +1578,9 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp * Only one of the two will be in use. */ cx25840_write4(client, AFE_CTRL, val); - } else + } else { cx25840_and_or(client, 0x102, ~0x2, 0); + } } state->vid_input = vid_input; @@ -1566,29 +1619,32 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp cx25840_write(client, 0x919, 0x01); } - if (is_cx2388x(state) && ((aud_input == CX25840_AUDIO7) || - (aud_input == CX25840_AUDIO6))) { + if (is_cx2388x(state) && + ((aud_input == CX25840_AUDIO7) || (aud_input == CX25840_AUDIO6))) { /* Configure audio from LR1 or LR2 input */ cx25840_write4(client, 0x910, 0); cx25840_write4(client, 0x8d0, 0x63073); - } else - if (is_cx2388x(state) && (aud_input == CX25840_AUDIO8)) { + } else if (is_cx2388x(state) && (aud_input == CX25840_AUDIO8)) { /* Configure audio from tuner/sif input */ cx25840_write4(client, 0x910, 0x12b000c9); cx25840_write4(client, 0x8d0, 0x1f063870); } if (is_cx23888(state)) { - /* HVR1850 */ - /* AUD_IO_CTRL - I2S Input, Parallel1*/ - /* - Channel 1 src - Parallel1 (Merlin out) */ - /* - Channel 2 src - Parallel2 (Merlin out) */ - /* - Channel 3 src - Parallel3 (Merlin AC97 out) */ - /* - I2S source and dir - Merlin, output */ + /* + * HVR1850 + * + * AUD_IO_CTRL - I2S Input, Parallel1 + * - Channel 1 src - Parallel1 (Merlin out) + * - Channel 2 src - Parallel2 (Merlin out) + * - Channel 3 src - Parallel3 (Merlin AC97 out) + * - I2S source and dir - Merlin, output + */ cx25840_write4(client, 0x124, 0x100); if (!is_dif) { - /* Stop microcontroller if we don't need it + /* + * Stop microcontroller if we don't need it * to avoid audio popping on svideo/composite use. */ cx25840_and_or(client, 0x803, ~0x10, 0x00); @@ -1630,11 +1686,14 @@ static int set_v4lstd(struct i2c_client *client) fmt = 0xc; } - v4l_dbg(1, cx25840_debug, client, "changing video std to fmt %i\n",fmt); + v4l_dbg(1, cx25840_debug, client, + "changing video std to fmt %i\n", fmt); - /* Follow step 9 of section 3.16 in the cx25840 datasheet. - Without this PAL may display a vertical ghosting effect. - This happens for example with the Yuan MPC622. */ + /* + * Follow step 9 of section 3.16 in the cx25840 datasheet. + * Without this PAL may display a vertical ghosting effect. + * This happens for example with the Yuan MPC622. + */ if (fmt >= 4 && fmt < 8) { /* Set format to NTSC-M */ cx25840_and_or(client, 0x400, ~0xf, 1); @@ -1696,15 +1755,15 @@ static int cx25840_s_ctrl(struct v4l2_ctrl *ctrl) /* ----------------------------------------------------------------------- */ static int cx25840_set_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *format) + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *fmt = &format->format; struct cx25840_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); - u32 HSC, VSC, Vsrc, Hsrc, Vadd; + u32 hsc, vsc, v_src, h_src, v_add; int filter; - int is_50Hz = !(state->std & V4L2_STD_525_60); + int is_50hz = !(state->std & V4L2_STD_525_60); if (format->pad || fmt->code != MEDIA_BUS_FMT_FIXED) return -EINVAL; @@ -1713,23 +1772,23 @@ static int cx25840_set_fmt(struct v4l2_subdev *sd, fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; if (is_cx23888(state)) { - Vsrc = (cx25840_read(client, 0x42a) & 0x3f) << 4; - Vsrc |= (cx25840_read(client, 0x429) & 0xf0) >> 4; + v_src = (cx25840_read(client, 0x42a) & 0x3f) << 4; + v_src |= (cx25840_read(client, 0x429) & 0xf0) >> 4; } else { - Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4; - Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4; + v_src = (cx25840_read(client, 0x476) & 0x3f) << 4; + v_src |= (cx25840_read(client, 0x475) & 0xf0) >> 4; } if (is_cx23888(state)) { - Hsrc = (cx25840_read(client, 0x426) & 0x3f) << 4; - Hsrc |= (cx25840_read(client, 0x425) & 0xf0) >> 4; + h_src = (cx25840_read(client, 0x426) & 0x3f) << 4; + h_src |= (cx25840_read(client, 0x425) & 0xf0) >> 4; } else { - Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4; - Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4; + h_src = (cx25840_read(client, 0x472) & 0x3f) << 4; + h_src |= (cx25840_read(client, 0x471) & 0xf0) >> 4; } if (!state->generic_mode) { - Vadd = is_50Hz ? 4 : 7; + v_add = is_50hz ? 4 : 7; /* * cx23888 in 525-line mode is programmed for 486 active lines @@ -1738,16 +1797,17 @@ static int cx25840_set_fmt(struct v4l2_subdev *sd, * See reg 0x428 bits [21:12] in cx23888_std_setup() vs * vactive in cx25840_std_setup(). */ - if (is_cx23888(state) && !is_50Hz) - Vadd--; - } else - Vadd = 0; + if (is_cx23888(state) && !is_50hz) + v_add--; + } else { + v_add = 0; + } - if (Hsrc == 0 || - Vsrc <= Vadd) { + if (h_src == 0 || + v_src <= v_add) { v4l_err(client, "chip reported picture size (%u x %u) is far too small\n", - (unsigned int)Hsrc, (unsigned int)Vsrc); + (unsigned int)h_src, (unsigned int)v_src); /* * that's the best we can do since the output picture * size is completely unknown in this case @@ -1755,20 +1815,20 @@ static int cx25840_set_fmt(struct v4l2_subdev *sd, return -EINVAL; } - fmt->width = clamp(fmt->width, (Hsrc + 15) / 16, Hsrc); + fmt->width = clamp(fmt->width, (h_src + 15) / 16, h_src); - if (Vadd * 8 >= Vsrc) - fmt->height = clamp(fmt->height, (u32)1, Vsrc - Vadd); + if (v_add * 8 >= v_src) + fmt->height = clamp(fmt->height, (u32)1, v_src - v_add); else - fmt->height = clamp(fmt->height, (Vsrc - Vadd * 8 + 7) / 8, - Vsrc - Vadd); + fmt->height = clamp(fmt->height, (v_src - v_add * 8 + 7) / 8, + v_src - v_add); if (format->which == V4L2_SUBDEV_FORMAT_TRY) return 0; - HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20); - VSC = (1 << 16) - (Vsrc * (1 << 9) / (fmt->height + Vadd) - (1 << 9)); - VSC &= 0x1fff; + hsc = (h_src * (1 << 20)) / fmt->width - (1 << 20); + vsc = (1 << 16) - (v_src * (1 << 9) / (fmt->height + v_add) - (1 << 9)); + vsc &= 0x1fff; if (fmt->width >= 385) filter = 0; @@ -1782,20 +1842,20 @@ static int cx25840_set_fmt(struct v4l2_subdev *sd, v4l_dbg(1, cx25840_debug, client, "decoder set size %u x %u with scale %x x %x\n", (unsigned int)fmt->width, (unsigned int)fmt->height, - (unsigned int)HSC, (unsigned int)VSC); + (unsigned int)hsc, (unsigned int)vsc); - /* HSCALE=HSC */ + /* HSCALE=hsc */ if (is_cx23888(state)) { - cx25840_write4(client, 0x434, HSC | (1 << 24)); - /* VSCALE=VSC VS_INTRLACE=1 VFILT=filter */ - cx25840_write4(client, 0x438, VSC | (1 << 19) | (filter << 16)); + cx25840_write4(client, 0x434, hsc | (1 << 24)); + /* VSCALE=vsc VS_INTRLACE=1 VFILT=filter */ + cx25840_write4(client, 0x438, vsc | (1 << 19) | (filter << 16)); } else { - cx25840_write(client, 0x418, HSC & 0xff); - cx25840_write(client, 0x419, (HSC >> 8) & 0xff); - cx25840_write(client, 0x41a, HSC >> 16); - /* VSCALE=VSC */ - cx25840_write(client, 0x41c, VSC & 0xff); - cx25840_write(client, 0x41d, VSC >> 8); + cx25840_write(client, 0x418, hsc & 0xff); + cx25840_write(client, 0x419, (hsc >> 8) & 0xff); + cx25840_write(client, 0x41a, hsc >> 16); + /* VSCALE=vsc */ + cx25840_write(client, 0x41c, vsc & 0xff); + cx25840_write(client, 0x41d, vsc >> 8); /* VS_INTRLACE=1 VFILT=filter */ cx25840_write(client, 0x41e, 0x8 | filter); } @@ -1822,23 +1882,25 @@ static void log_video_status(struct i2c_client *client) int vid_input = state->vid_input; v4l_info(client, "Video signal: %spresent\n", - (gen_stat2 & 0x20) ? "" : "not "); + (gen_stat2 & 0x20) ? "" : "not "); v4l_info(client, "Detected format: %s\n", - fmt_strs[gen_stat1 & 0xf]); + fmt_strs[gen_stat1 & 0xf]); v4l_info(client, "Specified standard: %s\n", - vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection"); + vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection"); if (vid_input >= CX25840_COMPOSITE1 && vid_input <= CX25840_COMPOSITE8) { v4l_info(client, "Specified video input: Composite %d\n", - vid_input - CX25840_COMPOSITE1 + 1); + vid_input - CX25840_COMPOSITE1 + 1); } else { - v4l_info(client, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n", - (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8); + v4l_info(client, + "Specified video input: S-Video (Luma In%d, Chroma In%d)\n", + (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8); } - v4l_info(client, "Specified audioclock freq: %d Hz\n", state->audclk_freq); + v4l_info(client, "Specified audioclock freq: %d Hz\n", + state->audclk_freq); } /* ----------------------------------------------------------------------- */ @@ -1857,138 +1919,315 @@ static void log_audio_status(struct i2c_client *client) char *p; switch (mod_det_stat0) { - case 0x00: p = "mono"; break; - case 0x01: p = "stereo"; break; - case 0x02: p = "dual"; break; - case 0x04: p = "tri"; break; - case 0x10: p = "mono with SAP"; break; - case 0x11: p = "stereo with SAP"; break; - case 0x12: p = "dual with SAP"; break; - case 0x14: p = "tri with SAP"; break; - case 0xfe: p = "forced mode"; break; - default: p = "not defined"; + case 0x00: + p = "mono"; + break; + case 0x01: + p = "stereo"; + break; + case 0x02: + p = "dual"; + break; + case 0x04: + p = "tri"; + break; + case 0x10: + p = "mono with SAP"; + break; + case 0x11: + p = "stereo with SAP"; + break; + case 0x12: + p = "dual with SAP"; + break; + case 0x14: + p = "tri with SAP"; + break; + case 0xfe: + p = "forced mode"; + break; + default: + p = "not defined"; } v4l_info(client, "Detected audio mode: %s\n", p); switch (mod_det_stat1) { - case 0x00: p = "not defined"; break; - case 0x01: p = "EIAJ"; break; - case 0x02: p = "A2-M"; break; - case 0x03: p = "A2-BG"; break; - case 0x04: p = "A2-DK1"; break; - case 0x05: p = "A2-DK2"; break; - case 0x06: p = "A2-DK3"; break; - case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; - case 0x08: p = "AM-L"; break; - case 0x09: p = "NICAM-BG"; break; - case 0x0a: p = "NICAM-DK"; break; - case 0x0b: p = "NICAM-I"; break; - case 0x0c: p = "NICAM-L"; break; - case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; - case 0x0e: p = "IF FM Radio"; break; - case 0x0f: p = "BTSC"; break; - case 0x10: p = "high-deviation FM"; break; - case 0x11: p = "very high-deviation FM"; break; - case 0xfd: p = "unknown audio standard"; break; - case 0xfe: p = "forced audio standard"; break; - case 0xff: p = "no detected audio standard"; break; - default: p = "not defined"; + case 0x00: + p = "not defined"; + break; + case 0x01: + p = "EIAJ"; + break; + case 0x02: + p = "A2-M"; + break; + case 0x03: + p = "A2-BG"; + break; + case 0x04: + p = "A2-DK1"; + break; + case 0x05: + p = "A2-DK2"; + break; + case 0x06: + p = "A2-DK3"; + break; + case 0x07: + p = "A1 (6.0 MHz FM Mono)"; + break; + case 0x08: + p = "AM-L"; + break; + case 0x09: + p = "NICAM-BG"; + break; + case 0x0a: + p = "NICAM-DK"; + break; + case 0x0b: + p = "NICAM-I"; + break; + case 0x0c: + p = "NICAM-L"; + break; + case 0x0d: + p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; + break; + case 0x0e: + p = "IF FM Radio"; + break; + case 0x0f: + p = "BTSC"; + break; + case 0x10: + p = "high-deviation FM"; + break; + case 0x11: + p = "very high-deviation FM"; + break; + case 0xfd: + p = "unknown audio standard"; + break; + case 0xfe: + p = "forced audio standard"; + break; + case 0xff: + p = "no detected audio standard"; + break; + default: + p = "not defined"; } v4l_info(client, "Detected audio standard: %s\n", p); v4l_info(client, "Audio microcontroller: %s\n", - (download_ctl & 0x10) ? - ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped"); + (download_ctl & 0x10) ? + ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped"); switch (audio_config >> 4) { - case 0x00: p = "undefined"; break; - case 0x01: p = "BTSC"; break; - case 0x02: p = "EIAJ"; break; - case 0x03: p = "A2-M"; break; - case 0x04: p = "A2-BG"; break; - case 0x05: p = "A2-DK1"; break; - case 0x06: p = "A2-DK2"; break; - case 0x07: p = "A2-DK3"; break; - case 0x08: p = "A1 (6.0 MHz FM Mono)"; break; - case 0x09: p = "AM-L"; break; - case 0x0a: p = "NICAM-BG"; break; - case 0x0b: p = "NICAM-DK"; break; - case 0x0c: p = "NICAM-I"; break; - case 0x0d: p = "NICAM-L"; break; - case 0x0e: p = "FM radio"; break; - case 0x0f: p = "automatic detection"; break; - default: p = "undefined"; + case 0x00: + p = "undefined"; + break; + case 0x01: + p = "BTSC"; + break; + case 0x02: + p = "EIAJ"; + break; + case 0x03: + p = "A2-M"; + break; + case 0x04: + p = "A2-BG"; + break; + case 0x05: + p = "A2-DK1"; + break; + case 0x06: + p = "A2-DK2"; + break; + case 0x07: + p = "A2-DK3"; + break; + case 0x08: + p = "A1 (6.0 MHz FM Mono)"; + break; + case 0x09: + p = "AM-L"; + break; + case 0x0a: + p = "NICAM-BG"; + break; + case 0x0b: + p = "NICAM-DK"; + break; + case 0x0c: + p = "NICAM-I"; + break; + case 0x0d: + p = "NICAM-L"; + break; + case 0x0e: + p = "FM radio"; + break; + case 0x0f: + p = "automatic detection"; + break; + default: + p = "undefined"; } v4l_info(client, "Configured audio standard: %s\n", p); if ((audio_config >> 4) < 0xF) { switch (audio_config & 0xF) { - case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; - case 0x01: p = "MONO2 (LANGUAGE B)"; break; - case 0x02: p = "MONO3 (STEREO forced MONO)"; break; - case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; - case 0x04: p = "STEREO"; break; - case 0x05: p = "DUAL1 (AB)"; break; - case 0x06: p = "DUAL2 (AC) (FM)"; break; - case 0x07: p = "DUAL3 (BC) (FM)"; break; - case 0x08: p = "DUAL4 (AC) (AM)"; break; - case 0x09: p = "DUAL5 (BC) (AM)"; break; - case 0x0a: p = "SAP"; break; - default: p = "undefined"; + case 0x00: + p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; + break; + case 0x01: + p = "MONO2 (LANGUAGE B)"; + break; + case 0x02: + p = "MONO3 (STEREO forced MONO)"; + break; + case 0x03: + p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; + break; + case 0x04: + p = "STEREO"; + break; + case 0x05: + p = "DUAL1 (AB)"; + break; + case 0x06: + p = "DUAL2 (AC) (FM)"; + break; + case 0x07: + p = "DUAL3 (BC) (FM)"; + break; + case 0x08: + p = "DUAL4 (AC) (AM)"; + break; + case 0x09: + p = "DUAL5 (BC) (AM)"; + break; + case 0x0a: + p = "SAP"; + break; + default: + p = "undefined"; } v4l_info(client, "Configured audio mode: %s\n", p); } else { switch (audio_config & 0xF) { - case 0x00: p = "BG"; break; - case 0x01: p = "DK1"; break; - case 0x02: p = "DK2"; break; - case 0x03: p = "DK3"; break; - case 0x04: p = "I"; break; - case 0x05: p = "L"; break; - case 0x06: p = "BTSC"; break; - case 0x07: p = "EIAJ"; break; - case 0x08: p = "A2-M"; break; - case 0x09: p = "FM Radio"; break; - case 0x0f: p = "automatic standard and mode detection"; break; - default: p = "undefined"; + case 0x00: + p = "BG"; + break; + case 0x01: + p = "DK1"; + break; + case 0x02: + p = "DK2"; + break; + case 0x03: + p = "DK3"; + break; + case 0x04: + p = "I"; + break; + case 0x05: + p = "L"; + break; + case 0x06: + p = "BTSC"; + break; + case 0x07: + p = "EIAJ"; + break; + case 0x08: + p = "A2-M"; + break; + case 0x09: + p = "FM Radio"; + break; + case 0x0f: + p = "automatic standard and mode detection"; + break; + default: + p = "undefined"; } v4l_info(client, "Configured audio system: %s\n", p); } if (aud_input) { - v4l_info(client, "Specified audio input: Tuner (In%d)\n", aud_input); + v4l_info(client, "Specified audio input: Tuner (In%d)\n", + aud_input); } else { v4l_info(client, "Specified audio input: External\n"); } switch (pref_mode & 0xf) { - case 0: p = "mono/language A"; break; - case 1: p = "language B"; break; - case 2: p = "language C"; break; - case 3: p = "analog fallback"; break; - case 4: p = "stereo"; break; - case 5: p = "language AC"; break; - case 6: p = "language BC"; break; - case 7: p = "language AB"; break; - default: p = "undefined"; + case 0: + p = "mono/language A"; + break; + case 1: + p = "language B"; + break; + case 2: + p = "language C"; + break; + case 3: + p = "analog fallback"; + break; + case 4: + p = "stereo"; + break; + case 5: + p = "language AC"; + break; + case 6: + p = "language BC"; + break; + case 7: + p = "language AB"; + break; + default: + p = "undefined"; } v4l_info(client, "Preferred audio mode: %s\n", p); if ((audio_config & 0xf) == 0xf) { switch ((afc0 >> 3) & 0x3) { - case 0: p = "system DK"; break; - case 1: p = "system L"; break; - case 2: p = "autodetect"; break; - default: p = "undefined"; + case 0: + p = "system DK"; + break; + case 1: + p = "system L"; + break; + case 2: + p = "autodetect"; + break; + default: + p = "undefined"; } v4l_info(client, "Selected 65 MHz format: %s\n", p); switch (afc0 & 0x7) { - case 0: p = "chroma"; break; - case 1: p = "BTSC"; break; - case 2: p = "EIAJ"; break; - case 3: p = "A2-M"; break; - case 4: p = "autodetect"; break; - default: p = "undefined"; + case 0: + p = "chroma"; + break; + case 1: + p = "BTSC"; + break; + case 2: + p = "EIAJ"; + break; + case 3: + p = "A2-M"; + break; + case 4: + p = "autodetect"; + break; + default: + p = "undefined"; } v4l_info(client, "Selected 45 MHz format: %s\n", p); } @@ -2039,22 +2278,24 @@ static int cx25840_init(struct v4l2_subdev *sd, u32 val) if (is_cx2584x(state)) { /* set datasheet video output defaults */ state->vid_config = CX25840_VCONFIG_FMT_BT656 | - CX25840_VCONFIG_RES_8BIT | - CX25840_VCONFIG_VBIRAW_DISABLED | - CX25840_VCONFIG_ANCDATA_ENABLED | - CX25840_VCONFIG_TASKBIT_ONE | - CX25840_VCONFIG_ACTIVE_HORIZONTAL | - CX25840_VCONFIG_VALID_NORMAL | - CX25840_VCONFIG_HRESETW_NORMAL | - CX25840_VCONFIG_CLKGATE_NONE | - CX25840_VCONFIG_DCMODE_DWORDS | - CX25840_VCONFIG_IDID0S_NORMAL | - CX25840_VCONFIG_VIPCLAMP_DISABLED; + CX25840_VCONFIG_RES_8BIT | + CX25840_VCONFIG_VBIRAW_DISABLED | + CX25840_VCONFIG_ANCDATA_ENABLED | + CX25840_VCONFIG_TASKBIT_ONE | + CX25840_VCONFIG_ACTIVE_HORIZONTAL | + CX25840_VCONFIG_VALID_NORMAL | + CX25840_VCONFIG_HRESETW_NORMAL | + CX25840_VCONFIG_CLKGATE_NONE | + CX25840_VCONFIG_DCMODE_DWORDS | + CX25840_VCONFIG_IDID0S_NORMAL | + CX25840_VCONFIG_VIPCLAMP_DISABLED; /* add additional settings */ cx25840_vconfig_add(state, val); - } else /* TODO: generic mode needs to be developed for other chips */ + } else { + /* TODO: generic mode needs to be developed for other chips */ WARN_ON(1); + } return 0; } @@ -2104,7 +2345,8 @@ static int cx25840_load_fw(struct v4l2_subdev *sd) } #ifdef CONFIG_VIDEO_ADV_DEBUG -static int cx25840_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) +static int cx25840_g_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -2113,7 +2355,8 @@ static int cx25840_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register * return 0; } -static int cx25840_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) +static int cx25840_s_register(struct v4l2_subdev *sd, + const struct v4l2_dbg_register *reg) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -2132,7 +2375,7 @@ static int cx25840_s_audio_stream(struct v4l2_subdev *sd, int enable) return 0; v4l_dbg(1, cx25840_debug, client, "%s audio output\n", - enable ? "enable" : "disable"); + enable ? "enable" : "disable"); if (enable) { v = cx25840_read(client, 0x115) | 0x80; @@ -2155,7 +2398,7 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable) u8 v; v4l_dbg(1, cx25840_debug, client, "%s video output\n", - enable ? "enable" : "disable"); + enable ? "enable" : "disable"); /* * It's not clear what should be done for these devices. @@ -2208,7 +2451,7 @@ static int cx25840_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) }; u32 fmt = (cx25840_read4(client, 0x40c) >> 8) & 0xf; - *std = stds[ fmt ]; + *std = stds[fmt]; v4l_dbg(1, cx25840_debug, client, "querystd fmt = %x, v4l2_std_id = 0x%x\n", @@ -2221,7 +2464,8 @@ static int cx25840_g_input_status(struct v4l2_subdev *sd, u32 *status) { struct i2c_client *client = v4l2_get_subdevdata(sd); - /* A limited function that checks for signal status and returns + /* + * A limited function that checks for signal status and returns * the state. */ @@ -2289,7 +2533,8 @@ static int cx25840_s_audio_routing(struct v4l2_subdev *sd, return set_input(client, state->vid_input, input); } -static int cx25840_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *freq) +static int cx25840_s_frequency(struct v4l2_subdev *sd, + const struct v4l2_frequency *freq) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -2312,9 +2557,8 @@ static int cx25840_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) if (is_cx2583x(state)) return 0; - vt->capability |= - V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | - V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; + vt->capability |= V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | + V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; mode = cx25840_read(client, 0x804); @@ -2344,33 +2588,41 @@ static int cx25840_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt) return 0; switch (vt->audmode) { - case V4L2_TUNER_MODE_MONO: - /* mono -> mono - stereo -> mono - bilingual -> lang1 */ - cx25840_and_or(client, 0x809, ~0xf, 0x00); - break; - case V4L2_TUNER_MODE_STEREO: - case V4L2_TUNER_MODE_LANG1: - /* mono -> mono - stereo -> stereo - bilingual -> lang1 */ - cx25840_and_or(client, 0x809, ~0xf, 0x04); - break; - case V4L2_TUNER_MODE_LANG1_LANG2: - /* mono -> mono - stereo -> stereo - bilingual -> lang1/lang2 */ - cx25840_and_or(client, 0x809, ~0xf, 0x07); - break; - case V4L2_TUNER_MODE_LANG2: - /* mono -> mono - stereo -> stereo - bilingual -> lang2 */ - cx25840_and_or(client, 0x809, ~0xf, 0x01); - break; - default: - return -EINVAL; + case V4L2_TUNER_MODE_MONO: + /* + * mono -> mono + * stereo -> mono + * bilingual -> lang1 + */ + cx25840_and_or(client, 0x809, ~0xf, 0x00); + break; + case V4L2_TUNER_MODE_STEREO: + case V4L2_TUNER_MODE_LANG1: + /* + * mono -> mono + * stereo -> stereo + * bilingual -> lang1 + */ + cx25840_and_or(client, 0x809, ~0xf, 0x04); + break; + case V4L2_TUNER_MODE_LANG1_LANG2: + /* + * mono -> mono + * stereo -> stereo + * bilingual -> lang1/lang2 + */ + cx25840_and_or(client, 0x809, ~0xf, 0x07); + break; + case V4L2_TUNER_MODE_LANG2: + /* + * mono -> mono + * stereo -> stereo + * bilingual -> lang2 + */ + cx25840_and_or(client, 0x809, ~0xf, 0x01); + break; + default: + return -EINVAL; } state->audmode = vt->audmode; return 0; @@ -5545,22 +5797,28 @@ static u32 get_cx2388x_ident(struct i2c_client *client) /* Come out of digital power down */ cx25840_write(client, 0x000, 0); - /* Detecting whether the part is cx23885/7/8 is more + /* + * Detecting whether the part is cx23885/7/8 is more * difficult than it needs to be. No ID register. Instead we * probe certain registers indicated in the datasheets to look - * for specific defaults that differ between the silicon designs. */ + * for specific defaults that differ between the silicon designs. + */ /* It's either 885/7 if the IR Tx Clk Divider register exists */ if (cx25840_read4(client, 0x204) & 0xffff) { - /* CX23885 returns bogus repetitive byte values for the DIF, - * which doesn't exist for it. (Ex. 8a8a8a8a or 31313131) */ + /* + * CX23885 returns bogus repetitive byte values for the DIF, + * which doesn't exist for it. (Ex. 8a8a8a8a or 31313131) + */ ret = cx25840_read4(client, 0x300); if (((ret & 0xffff0000) >> 16) == (ret & 0xffff)) { /* No DIF */ ret = CX23885_AV; } else { - /* CX23887 has a broken DIF, but the registers - * appear valid (but unused), good enough to detect. */ + /* + * CX23887 has a broken DIF, but the registers + * appear valid (but unused), good enough to detect. + */ ret = CX23887_AV; } } else if (cx25840_read4(client, 0x300) & 0x0fffffff) { @@ -5592,14 +5850,18 @@ static int cx25840_probe(struct i2c_client *client, if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; - v4l_dbg(1, cx25840_debug, client, "detecting cx25840 client on address 0x%x\n", client->addr << 1); + v4l_dbg(1, cx25840_debug, client, + "detecting cx25840 client on address 0x%x\n", + client->addr << 1); device_id = cx25840_read(client, 0x101) << 8; device_id |= cx25840_read(client, 0x100); v4l_dbg(1, cx25840_debug, client, "device_id = 0x%04x\n", device_id); - /* The high byte of the device ID should be - * 0x83 for the cx2583x and 0x84 for the cx2584x */ + /* + * The high byte of the device ID should be + * 0x83 for the cx2583x and 0x84 for the cx2584x + */ if ((device_id & 0xff00) == 0x8300) { id = CX25836 + ((device_id >> 4) & 0xf) - 6; } else if ((device_id & 0xff00) == 0x8400) { @@ -5613,7 +5875,8 @@ static int cx25840_probe(struct i2c_client *client, v4l_err(client, "likely a confused/unresponsive cx2388[578] A/V decoder found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - v4l_err(client, "A method to reset it from the cx25840 driver software is not known at this time\n"); + v4l_err(client, + "A method to reset it from the cx25840 driver software is not known at this time\n"); return -ENODEV; } else { v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n"); @@ -5621,7 +5884,7 @@ static int cx25840_probe(struct i2c_client *client, } state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL); - if (state == NULL) + if (!state) return -ENOMEM; sd = &state->sd; @@ -5648,7 +5911,7 @@ static int cx25840_probe(struct i2c_client *client, sd->entity.function = MEDIA_ENT_F_ATV_DECODER; ret = media_entity_pads_init(&sd->entity, ARRAY_SIZE(state->pads), - state->pads); + state->pads); if (ret < 0) { v4l_info(client, "failed to initialize media entity!\n"); return ret; @@ -5676,8 +5939,10 @@ static int cx25840_probe(struct i2c_client *client, case CX25841: case CX25842: case CX25843: - /* Note: revision '(device_id & 0x0f) == 2' was never built. The - marking skips from 0x1 == 22 to 0x3 == 23. */ + /* + * Note: revision '(device_id & 0x0f) == 2' was never built. + * The marking skips from 0x1 == 22 to 0x3 == 23. + */ v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n", (device_id & 0xfff0) >> 4, (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 @@ -5705,13 +5970,13 @@ static int cx25840_probe(struct i2c_client *client, state->std = V4L2_STD_NTSC_M; v4l2_ctrl_handler_init(&state->hdl, 9); v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, - V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, - V4L2_CID_CONTRAST, 0, 127, 1, 64); + V4L2_CID_CONTRAST, 0, 127, 1, 64); v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, - V4L2_CID_SATURATION, 0, 127, 1, 64); + V4L2_CID_SATURATION, 0, 127, 1, 64); v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, - V4L2_CID_HUE, -128, 127, 1, 0); + V4L2_CID_HUE, -128, 127, 1, 0); if (!is_cx2583x(state)) { default_volume = cx25840_read(client, 0x8d4); /* @@ -5723,8 +5988,7 @@ static int cx25840_probe(struct i2c_client *client, /* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */ default_volume = 228; cx25840_write(client, 0x8d4, 228); - } - else if (default_volume < 20) { + } else if (default_volume < 20) { /* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */ default_volume = 20; cx25840_write(client, 0x8d4, 20); @@ -5732,20 +5996,23 @@ static int cx25840_probe(struct i2c_client *client, default_volume = (((228 - default_volume) >> 1) + 23) << 9; state->volume = v4l2_ctrl_new_std(&state->hdl, - &cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME, - 0, 65535, 65535 / 100, default_volume); + &cx25840_audio_ctrl_ops, + V4L2_CID_AUDIO_VOLUME, + 0, 65535, 65535 / 100, + default_volume); state->mute = v4l2_ctrl_new_std(&state->hdl, - &cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE, - 0, 1, 1, 0); + &cx25840_audio_ctrl_ops, + V4L2_CID_AUDIO_MUTE, + 0, 1, 1, 0); v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops, - V4L2_CID_AUDIO_BALANCE, - 0, 65535, 65535 / 100, 32768); + V4L2_CID_AUDIO_BALANCE, + 0, 65535, 65535 / 100, 32768); v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops, - V4L2_CID_AUDIO_BASS, - 0, 65535, 65535 / 100, 32768); + V4L2_CID_AUDIO_BASS, + 0, 65535, 65535 / 100, 32768); v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops, - V4L2_CID_AUDIO_TREBLE, - 0, 65535, 65535 / 100, 32768); + V4L2_CID_AUDIO_TREBLE, + 0, 65535, 65535 / 100, 32768); } sd->ctrl_handler = &state->hdl; if (state->hdl.error) { |