diff options
Diffstat (limited to 'drivers/media/video/msp3400-kthreads.c')
-rw-r--r-- | drivers/media/video/msp3400-kthreads.c | 331 |
1 files changed, 199 insertions, 132 deletions
diff --git a/drivers/media/video/msp3400-kthreads.c b/drivers/media/video/msp3400-kthreads.c index 852ab6a115fa..c3984ea9ca07 100644 --- a/drivers/media/video/msp3400-kthreads.c +++ b/drivers/media/video/msp3400-kthreads.c @@ -26,10 +26,10 @@ #include <linux/videodev.h> #include <linux/videodev2.h> #include <media/v4l2-common.h> -#include <media/audiochip.h> +#include <media/msp3400.h> #include <linux/kthread.h> #include <linux/suspend.h> -#include "msp3400.h" +#include "msp3400-driver.h" /* this one uses the automatic sound standard detection of newer msp34xx chip versions */ @@ -45,11 +45,13 @@ static struct { { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" }, { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), "6.5/6.74 D/K2 Dual FM-Stereo" }, { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), "6.5 D/K FM-Mono (HDEV3)" }, + { 0x0007, MSP_CARRIER(6.5), MSP_CARRIER(5.7421875), "6.5/5.74 D/K3 Dual FM-Stereo" }, { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), "5.5/5.85 B/G NICAM FM" }, { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 L NICAM AM" }, { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), "6.0/6.55 I NICAM FM" }, { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM" }, { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV2)" }, + { 0x000d, MSP_CARRIER(6.5), MSP_CARRIER(5.85), "6.5/5.85 D/K NICAM FM (HDEV3)" }, { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Stereo" }, { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M BTSC-Mono + SAP" }, { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), "4.5 M EIA-J Japan Stereo" }, @@ -185,13 +187,14 @@ void msp3400c_set_mode(struct i2c_client *client, int mode) { struct msp_state *state = i2c_get_clientdata(client); struct msp3400c_init_data_dem *data = &msp3400c_init_data[mode]; + int tuner = (state->routing.input >> 3) & 1; int i; v4l_dbg(1, msp_debug, client, "set_mode: %d\n", mode); state->mode = mode; state->rxsubchans = V4L2_TUNER_SUB_MONO; - msp_write_dem(client, 0x00bb, data->ad_cv); + msp_write_dem(client, 0x00bb, data->ad_cv | (tuner ? 0x100 : 0)); for (i = 5; i >= 0; i--) /* fir 1 */ msp_write_dem(client, 0x0001, data->fir1[i]); @@ -207,21 +210,22 @@ void msp3400c_set_mode(struct i2c_client *client, int mode) msp3400c_set_carrier(client, data->cdo1, data->cdo2); msp_set_source(client, data->dsp_src); - msp_write_dsp(client, 0x000e, data->dsp_matrix); + /* set prescales */ - if (state->has_nicam) { - /* nicam prescale */ - msp_write_dsp(client, 0x0010, 0x5a00); /* was: 0x3000 */ - } + /* volume prescale for SCART (AM mono input) */ + msp_write_dsp(client, 0x000d, 0x1900); + msp_write_dsp(client, 0x000e, data->dsp_matrix); + if (state->has_nicam) /* nicam prescale */ + msp_write_dsp(client, 0x0010, 0x5a00); } /* Set audio mode. Note that the pre-'G' models do not support BTSC+SAP, nor do they support stereo BTSC. */ static void msp3400c_set_audmode(struct i2c_client *client) { - static char *strmode[] = { "mono", "stereo", "lang2", "lang1" }; + static char *strmode[] = { "mono", "stereo", "lang2", "lang1", "lang1+lang2" }; struct msp_state *state = i2c_get_clientdata(client); - char *modestr = (state->audmode >= 0 && state->audmode < 4) ? + char *modestr = (state->audmode >= 0 && state->audmode < 5) ? strmode[state->audmode] : "unknown"; int src = 0; /* channel source: FM/AM, nicam or SCART */ @@ -246,6 +250,7 @@ static void msp3400c_set_audmode(struct i2c_client *client) case V4L2_TUNER_MODE_MONO: case V4L2_TUNER_MODE_LANG1: case V4L2_TUNER_MODE_LANG2: + case V4L2_TUNER_MODE_LANG1_LANG2: msp_write_dsp(client, 0x000e, 0x3000); break; } @@ -257,6 +262,7 @@ static void msp3400c_set_audmode(struct i2c_client *client) msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5)); break; case V4L2_TUNER_MODE_STEREO: + case V4L2_TUNER_MODE_LANG1_LANG2: msp3400c_set_carrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02)); break; case V4L2_TUNER_MODE_LANG1: @@ -271,7 +277,6 @@ static void msp3400c_set_audmode(struct i2c_client *client) case MSP_MODE_FM_NICAM2: case MSP_MODE_AM_NICAM: v4l_dbg(1, msp_debug, client, "NICAM set_audmode: %s\n",modestr); - msp3400c_set_carrier(client, state->second, state->main); if (state->nicam_on) src = 0x0100; /* NICAM */ break; @@ -293,6 +298,7 @@ static void msp3400c_set_audmode(struct i2c_client *client) /* switch audio */ switch (state->audmode) { case V4L2_TUNER_MODE_STEREO: + case V4L2_TUNER_MODE_LANG1_LANG2: src |= 0x0020; break; case V4L2_TUNER_MODE_MONO: @@ -427,8 +433,8 @@ static void watch_stereo(struct i2c_client *client) { struct msp_state *state = i2c_get_clientdata(client); - if (msp3400c_detect_stereo(client)) { - msp3400c_set_audmode(client); + if (msp_detect_stereo(client)) { + msp_set_audmode(client); } if (msp_once) @@ -464,7 +470,7 @@ int msp3400c_thread(void *data) /* mute */ msp_set_mute(client); - msp3400c_set_mode(client, MSP_MODE_AM_DETECT /* +1 */ ); + msp3400c_set_mode(client, MSP_MODE_AM_DETECT); val1 = val2 = 0; max1 = max2 = -1; state->watch_stereo = 0; @@ -572,8 +578,6 @@ int msp3400c_thread(void *data) state->second = msp3400c_carrier_detect_65[max2].cdo; msp3400c_set_mode(client, MSP_MODE_AM_NICAM); msp3400c_set_carrier(client, state->second, state->main); - /* volume prescale for SCART (AM mono input) */ - msp_write_dsp(client, 0x000d, 0x1900); state->watch_stereo = 1; } else if (max2 == 0 && state->has_nicam) { /* D/K NICAM */ @@ -651,7 +655,8 @@ int msp3410d_thread(void *data) if (msp_sleep(state,200)) goto restart; - /* start autodetect */ + /* start autodetect. Note: autodetect is not supported for + NTSC-M and radio, hence we force the standard in those cases. */ if (state->radio) std = 0x40; else @@ -695,23 +700,19 @@ int msp3410d_thread(void *data) v4l_dbg(1, msp_debug, client, "autodetection failed," " switching to backup standard: %s (0x%04x)\n", msp_stdlist[8].name ? msp_stdlist[8].name : "unknown",val); - val = 0x0009; + state->std = val = 0x0009; msp_write_dem(client, 0x20, val); } - /* set various prescales */ - msp_write_dsp(client, 0x0d, 0x1900); /* scart */ - msp_write_dsp(client, 0x0e, 0x2403); /* FM */ - msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ - /* set stereo */ switch (val) { case 0x0008: /* B/G NICAM */ case 0x000a: /* I NICAM */ - if (val == 0x0008) - state->mode = MSP_MODE_FM_NICAM1; - else + case 0x000b: /* D/K NICAM */ + if (val == 0x000a) state->mode = MSP_MODE_FM_NICAM2; + else + state->mode = MSP_MODE_FM_NICAM1; /* just turn on stereo */ state->rxsubchans = V4L2_TUNER_SUB_STEREO; state->nicam_on = 1; @@ -739,6 +740,7 @@ int msp3410d_thread(void *data) /* scart routing (this doesn't belong here I think) */ msp_set_scart(client,SCART_IN2,0); break; + case 0x0002: case 0x0003: case 0x0004: case 0x0005: @@ -748,12 +750,19 @@ int msp3410d_thread(void *data) break; } - /* unmute, restore misc registers */ - msp_set_audio(client); - msp_write_dsp(client, 0x13, state->acb); + /* set various prescales */ + msp_write_dsp(client, 0x0d, 0x1900); /* scart */ + msp_write_dsp(client, 0x0e, 0x3000); /* FM */ + if (state->has_nicam) + msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ + if (state->has_i2s_conf) msp_write_dem(client, 0x40, state->i2s_mode); + /* unmute, restore misc registers */ + msp_set_audio(client); + + msp_write_dsp(client, 0x13, state->acb); msp3400c_set_audmode(client); /* monitor tv audio mode, the first time don't wait @@ -772,97 +781,154 @@ int msp3410d_thread(void *data) /* ----------------------------------------------------------------------- */ -/* msp34xxG + (autoselect no-thread) */ -/* this one uses both automatic standard detection and automatic sound */ -/* select which are available in the newer G versions */ -/* struct msp: only norm, acb and source are really used in this mode */ - -/* set the same 'source' for the loudspeaker, scart and quasi-peak detector - * the value for source is the same as bit 15:8 of DSP registers 0x08, - * 0x0a and 0x0c: 0=mono, 1=stereo or A|B, 2=SCART, 3=stereo or A, 4=stereo or B - * - * this function replaces msp3400c_set_audmode +/* msp34xxG + (autoselect no-thread) + * this one uses both automatic standard detection and automatic sound + * select which are available in the newer G versions + * struct msp: only norm, acb and source are really used in this mode */ -static void msp34xxg_set_source(struct i2c_client *client, int source) + +static int msp34xxg_modus(struct i2c_client *client) { struct msp_state *state = i2c_get_clientdata(client); - /* fix matrix mode to stereo and let the msp choose what - * to output according to 'source', as recommended - * for MONO (source==0) downmixing set bit[7:0] to 0x30 - */ - int value = (source & 0x07) << 8 | (source == 0 ? 0x30 : 0x20); + if (state->radio) { + v4l_dbg(1, msp_debug, client, "selected radio modus\n"); + return 0x0001; + } - v4l_dbg(1, msp_debug, client, "set source to %d (0x%x)\n", source, value); - msp_set_source(client, value); - /* - * set identification threshold. Personally, I - * I set it to a higher value that the default - * of 0x190 to ignore noisy stereo signals. - * this needs tuning. (recommended range 0x00a0-0x03c0) - * 0x7f0 = forced mono mode - */ - /* a2 threshold for stereo/bilingual */ - msp_write_dem(client, 0x22, msp_stereo_thresh); - state->source = source; + if (state->v4l2_std & V4L2_STD_PAL) { + v4l_dbg(1, msp_debug, client, "selected PAL modus\n"); + return 0x7001; + } + if (state->v4l2_std == V4L2_STD_NTSC_M_JP) { + v4l_dbg(1, msp_debug, client, "selected M (EIA-J) modus\n"); + return 0x4001; + } + if (state->v4l2_std == V4L2_STD_NTSC_M_KR) { + v4l_dbg(1, msp_debug, client, "selected M (A2) modus\n"); + return 0x0001; + } + if (state->v4l2_std & V4L2_STD_MN) { + v4l_dbg(1, msp_debug, client, "selected M (BTSC) modus\n"); + return 0x2001; + } + if (state->v4l2_std & V4L2_STD_SECAM) { + v4l_dbg(1, msp_debug, client, "selected SECAM modus\n"); + return 0x6001; + } + return 0x0001; } -/* (re-)initialize the msp34xxg, according to the current norm in state->norm - * return 0 if it worked, -1 if it failed - */ -static int msp34xxg_reset(struct i2c_client *client) +static void msp34xxg_set_source(struct i2c_client *client, u16 reg, int in) + { + struct msp_state *state = i2c_get_clientdata(client); + int source, matrix; + + switch (state->audmode) { + case V4L2_TUNER_MODE_MONO: + source = 0; /* mono only */ + matrix = 0x30; + break; + case V4L2_TUNER_MODE_LANG1: + source = 3; /* stereo or A */ + matrix = 0x00; + break; + case V4L2_TUNER_MODE_LANG2: + source = 4; /* stereo or B */ + matrix = 0x10; + break; + case V4L2_TUNER_MODE_STEREO: + case V4L2_TUNER_MODE_LANG1_LANG2: + default: + source = 1; /* stereo or A|B */ + matrix = 0x20; + break; + } + + if (in == MSP_DSP_OUT_TUNER) + source = (source << 8) | 0x20; + /* the msp34x2g puts the MAIN_AVC, MAIN and AUX sources in 12, 13, 14 + instead of 11, 12, 13. So we add one for that msp version. */ + else if (in >= MSP_DSP_OUT_MAIN_AVC && state->has_dolby_pro_logic) + source = ((in + 1) << 8) | matrix; + else + source = (in << 8) | matrix; + + v4l_dbg(1, msp_debug, client, "set source to %d (0x%x) for output %02x\n", + in, source, reg); + msp_write_dsp(client, reg, source); +} + +static void msp34xxg_set_sources(struct i2c_client *client) +{ + struct msp_state *state = i2c_get_clientdata(client); + u32 in = state->routing.input; + + msp34xxg_set_source(client, 0x0008, (in >> 4) & 0xf); + /* quasi-peak detector is set to same input as the loudspeaker (MAIN) */ + msp34xxg_set_source(client, 0x000c, (in >> 4) & 0xf); + msp34xxg_set_source(client, 0x0009, (in >> 8) & 0xf); + msp34xxg_set_source(client, 0x000a, (in >> 12) & 0xf); + if (state->has_scart23_in_scart2_out) + msp34xxg_set_source(client, 0x0041, (in >> 16) & 0xf); + msp34xxg_set_source(client, 0x000b, (in >> 20) & 0xf); +} + +/* (re-)initialize the msp34xxg */ +static void msp34xxg_reset(struct i2c_client *client) { struct msp_state *state = i2c_get_clientdata(client); - int modus, std; + int tuner = (state->routing.input >> 3) & 1; + int modus; + + /* initialize std to 1 (autodetect) to signal that no standard is + selected yet. */ + state->std = 1; - if (msp_reset(client)) - return -1; + msp_reset(client); /* make sure that input/output is muted (paranoid mode) */ /* ACB, mute DSP input, mute SCART 1 */ - if (msp_write_dsp(client, 0x13, 0x0f20)) - return -1; + msp_write_dsp(client, 0x13, 0x0f20); if (state->has_i2s_conf) msp_write_dem(client, 0x40, state->i2s_mode); /* step-by-step initialisation, as described in the manual */ - modus = msp_modus(client); - if (state->radio) - std = 0x40; - else - std = (state->v4l2_std & V4L2_STD_NTSC) ? 0x20 : 1; - modus &= ~0x03; /* STATUS_CHANGE = 0 */ - modus |= 0x01; /* AUTOMATIC_SOUND_DETECTION = 1 */ - if (msp_write_dem(client, 0x30, modus)) - return -1; - if (msp_write_dem(client, 0x20, std)) - return -1; + modus = msp34xxg_modus(client); + modus |= tuner ? 0x100 : 0; + msp_write_dem(client, 0x30, modus); /* write the dsps that may have an influence on standard/audio autodetection right now */ - msp34xxg_set_source(client, state->source); - - /* AM/FM Prescale [15:8] 75khz deviation */ - if (msp_write_dsp(client, 0x0e, 0x3000)) - return -1; + msp34xxg_set_sources(client); - /* NICAM Prescale 9db gain (as recommended) */ - if (msp_write_dsp(client, 0x10, 0x5a00)) - return -1; + msp_write_dsp(client, 0x0d, 0x1900); /* scart */ + msp_write_dsp(client, 0x0e, 0x3000); /* FM */ + if (state->has_nicam) + msp_write_dsp(client, 0x10, 0x5a00); /* nicam */ - return 0; + /* set identification threshold. Personally, I + * I set it to a higher value than the default + * of 0x190 to ignore noisy stereo signals. + * this needs tuning. (recommended range 0x00a0-0x03c0) + * 0x7f0 = forced mono mode + * + * a2 threshold for stereo/bilingual. + * Note: this register is part of the Manual/Compatibility mode. + * It is supported by all 'G'-family chips. + */ + msp_write_dem(client, 0x22, msp_stereo_thresh); } int msp34xxg_thread(void *data) { struct i2c_client *client = data; struct msp_state *state = i2c_get_clientdata(client); - int val, std, i; + int val, i; v4l_dbg(1, msp_debug, client, "msp34xxg daemon started\n"); - state->source = 1; /* default */ for (;;) { v4l_dbg(2, msp_debug, client, "msp34xxg thread: sleep\n"); msp_sleep(state, -1); @@ -876,12 +942,14 @@ int msp34xxg_thread(void *data) /* setup the chip*/ msp34xxg_reset(client); - std = msp_standard; - if (std != 0x01) + state->std = state->radio ? 0x40 : msp_standard; + if (state->std != 1) goto unmute; + /* start autodetect */ + msp_write_dem(client, 0x20, state->std); /* watch autodetect */ - v4l_dbg(1, msp_debug, client, "triggered autodetect, waiting for result\n"); + v4l_dbg(1, msp_debug, client, "started autodetect, waiting for result\n"); for (i = 0; i < 10; i++) { if (msp_sleep(state, 100)) goto restart; @@ -889,20 +957,19 @@ int msp34xxg_thread(void *data) /* check results */ val = msp_read_dem(client, 0x7e); if (val < 0x07ff) { - std = val; + state->std = val; break; } v4l_dbg(2, msp_debug, client, "detection still in progress\n"); } - if (std == 1) { + if (state->std == 1) { v4l_dbg(1, msp_debug, client, "detection still in progress after 10 tries. giving up.\n"); continue; } unmute: - state->std = std; - v4l_dbg(1, msp_debug, client, "current standard: %s (0x%04x)\n", - msp_standard_std_name(std), std); + v4l_dbg(1, msp_debug, client, "detected standard: %s (0x%04x)\n", + msp_standard_std_name(state->std), state->std); /* unmute: dispatch sound to scart output, set scart volume */ msp_set_audio(client); @@ -911,20 +978,33 @@ int msp34xxg_thread(void *data) if (msp_write_dsp(client, 0x13, state->acb)) return -1; - if (state->has_i2s_conf) - msp_write_dem(client, 0x40, state->i2s_mode); + /* the periodic stereo/SAP check is only relevant for + the 0x20 standard (BTSC) */ + if (state->std != 0x20) + continue; + + state->watch_stereo = 1; + + /* monitor tv audio mode, the first time don't wait + in order to get a quick stereo/SAP update */ + watch_stereo(client); + while (state->watch_stereo) { + watch_stereo(client); + if (msp_sleep(state, 5000)) + goto restart; + } } v4l_dbg(1, msp_debug, client, "thread: exit\n"); return 0; } -static void msp34xxg_detect_stereo(struct i2c_client *client) +static int msp34xxg_detect_stereo(struct i2c_client *client) { struct msp_state *state = i2c_get_clientdata(client); - int status = msp_read_dem(client, 0x0200); int is_bilingual = status & 0x100; int is_stereo = status & 0x40; + int oldrx = state->rxsubchans; state->rxsubchans = 0; if (is_stereo) @@ -932,42 +1012,31 @@ static void msp34xxg_detect_stereo(struct i2c_client *client) else state->rxsubchans = V4L2_TUNER_SUB_MONO; if (is_bilingual) { - state->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; - /* I'm supposed to check whether it's SAP or not - * and set only LANG2/SAP in this case. Yet, the MSP - * does a lot of work to hide this and handle everything - * the same way. I don't want to work around it so unless - * this is a problem, I'll handle SAP just like lang1/lang2. - */ + if (state->std == 0x20) + state->rxsubchans |= V4L2_TUNER_SUB_SAP; + else + state->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; } v4l_dbg(1, msp_debug, client, "status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n", status, is_stereo, is_bilingual, state->rxsubchans); + return (oldrx != state->rxsubchans); } static void msp34xxg_set_audmode(struct i2c_client *client) { struct msp_state *state = i2c_get_clientdata(client); - int source; - switch (state->audmode) { - case V4L2_TUNER_MODE_MONO: - source = 0; /* mono only */ - break; - case V4L2_TUNER_MODE_STEREO: - source = 1; /* stereo or A|B, see comment in msp34xxg_get_v4l2_stereo() */ - /* problem: that could also mean 2 (scart input) */ - break; - case V4L2_TUNER_MODE_LANG1: - source = 3; /* stereo or A */ - break; - case V4L2_TUNER_MODE_LANG2: - source = 4; /* stereo or B */ - break; - default: - source = 1; - break; + if (state->std == 0x20) { + if ((state->rxsubchans & V4L2_TUNER_SUB_SAP) && + (state->audmode == V4L2_TUNER_MODE_STEREO || + state->audmode == V4L2_TUNER_MODE_LANG2)) { + msp_write_dem(client, 0x20, 0x21); + } else { + msp_write_dem(client, 0x20, 0x20); + } } - msp34xxg_set_source(client, source); + + msp34xxg_set_sources(client); } void msp_set_audmode(struct i2c_client *client) @@ -977,7 +1046,6 @@ void msp_set_audmode(struct i2c_client *client) switch (state->opmode) { case OPMODE_MANUAL: case OPMODE_AUTODETECT: - state->watch_stereo = 0; msp3400c_set_audmode(client); break; case OPMODE_AUTOSELECT: @@ -986,18 +1054,17 @@ void msp_set_audmode(struct i2c_client *client) } } -void msp_detect_stereo(struct i2c_client *client) +int msp_detect_stereo(struct i2c_client *client) { struct msp_state *state = i2c_get_clientdata(client); switch (state->opmode) { case OPMODE_MANUAL: case OPMODE_AUTODETECT: - msp3400c_detect_stereo(client); - break; + return msp3400c_detect_stereo(client); case OPMODE_AUTOSELECT: - msp34xxg_detect_stereo(client); - break; + return msp34xxg_detect_stereo(client); } + return 0; } |