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path: root/drivers/media/video/msp3400-kthreads.c
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Diffstat (limited to 'drivers/media/video/msp3400-kthreads.c')
-rw-r--r--drivers/media/video/msp3400-kthreads.c121
1 files changed, 64 insertions, 57 deletions
diff --git a/drivers/media/video/msp3400-kthreads.c b/drivers/media/video/msp3400-kthreads.c
index c3984ea..633a102 100644
--- a/drivers/media/video/msp3400-kthreads.c
+++ b/drivers/media/video/msp3400-kthreads.c
@@ -170,7 +170,7 @@ static void msp_set_source(struct i2c_client *client, u16 src)
msp_write_dsp(client, 0x000a, src);
msp_write_dsp(client, 0x000b, src);
msp_write_dsp(client, 0x000c, src);
- if (state->has_scart23_in_scart2_out)
+ if (state->has_scart2_out)
msp_write_dsp(client, 0x0041, src);
}
@@ -228,6 +228,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
char *modestr = (state->audmode >= 0 && state->audmode < 5) ?
strmode[state->audmode] : "unknown";
int src = 0; /* channel source: FM/AM, nicam or SCART */
+ int audmode = state->audmode;
if (state->opmode == OPMODE_AUTOSELECT) {
/* this method would break everything, let's make sure
@@ -239,11 +240,29 @@ static void msp3400c_set_audmode(struct i2c_client *client)
return;
}
+ /* Note: for the C and D revs no NTSC stereo + SAP is possible as
+ the hardware does not support SAP. So the rxsubchans combination
+ of STEREO | LANG2 does not occur. */
+
+ /* switch to mono if only mono is available */
+ if (state->rxsubchans == V4L2_TUNER_SUB_MONO)
+ audmode = V4L2_TUNER_MODE_MONO;
+ /* if bilingual */
+ else if (state->rxsubchans & V4L2_TUNER_SUB_LANG2) {
+ /* and mono or stereo, then fallback to lang1 */
+ if (audmode == V4L2_TUNER_MODE_MONO ||
+ audmode == V4L2_TUNER_MODE_STEREO)
+ audmode = V4L2_TUNER_MODE_LANG1;
+ }
+ /* if stereo, and audmode is not mono, then switch to stereo */
+ else if (audmode != V4L2_TUNER_MODE_MONO)
+ audmode = V4L2_TUNER_MODE_STEREO;
+
/* switch demodulator */
switch (state->mode) {
case MSP_MODE_FM_TERRA:
v4l_dbg(1, msp_debug, client, "FM set_audmode: %s\n", modestr);
- switch (state->audmode) {
+ switch (audmode) {
case V4L2_TUNER_MODE_STEREO:
msp_write_dsp(client, 0x000e, 0x3001);
break;
@@ -257,7 +276,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
break;
case MSP_MODE_FM_SAT:
v4l_dbg(1, msp_debug, client, "SAT set_audmode: %s\n", modestr);
- switch (state->audmode) {
+ switch (audmode) {
case V4L2_TUNER_MODE_MONO:
msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5));
break;
@@ -296,7 +315,8 @@ static void msp3400c_set_audmode(struct i2c_client *client)
}
/* switch audio */
- switch (state->audmode) {
+ v4l_dbg(1, msp_debug, client, "set audmode %d\n", audmode);
+ switch (audmode) {
case V4L2_TUNER_MODE_STEREO:
case V4L2_TUNER_MODE_LANG1_LANG2:
src |= 0x0020;
@@ -314,10 +334,6 @@ static void msp3400c_set_audmode(struct i2c_client *client)
src = 0x0030;
break;
case V4L2_TUNER_MODE_LANG1:
- /* switch to stereo for stereo transmission, otherwise
- keep first language */
- if (state->rxsubchans & V4L2_TUNER_SUB_STEREO)
- src |= 0x0020;
break;
case V4L2_TUNER_MODE_LANG2:
src |= 0x0010;
@@ -367,7 +383,7 @@ static int msp3400c_detect_stereo(struct i2c_client *client)
if (val > 32767)
val -= 65536;
v4l_dbg(2, msp_debug, client, "stereo detect register: %d\n", val);
- if (val > 4096) {
+ if (val > 8192) {
rxsubchans = V4L2_TUNER_SUB_STEREO;
} else if (val < -4096) {
rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
@@ -464,19 +480,22 @@ int msp3400c_thread(void *data)
if (state->radio || MSP_MODE_EXTERN == state->mode) {
/* no carrier scan, just unmute */
v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n");
+ state->scan_in_progress = 0;
msp_set_audio(client);
continue;
}
- /* mute */
- msp_set_mute(client);
+ /* mute audio */
+ state->scan_in_progress = 1;
+ msp_set_audio(client);
+
msp3400c_set_mode(client, MSP_MODE_AM_DETECT);
val1 = val2 = 0;
max1 = max2 = -1;
state->watch_stereo = 0;
state->nicam_on = 0;
- /* some time for the tuner to sync */
+ /* wait for tuner to settle down after a channel change */
if (msp_sleep(state, 200))
goto restart;
@@ -552,7 +571,6 @@ int msp3400c_thread(void *data)
/* B/G NICAM */
state->second = msp3400c_carrier_detect_55[max2].cdo;
msp3400c_set_mode(client, MSP_MODE_FM_NICAM1);
- msp3400c_set_carrier(client, state->second, state->main);
state->nicam_on = 1;
state->watch_stereo = 1;
} else {
@@ -563,7 +581,6 @@ int msp3400c_thread(void *data)
/* PAL I NICAM */
state->second = MSP_CARRIER(6.552);
msp3400c_set_mode(client, MSP_MODE_FM_NICAM2);
- msp3400c_set_carrier(client, state->second, state->main);
state->nicam_on = 1;
state->watch_stereo = 1;
break;
@@ -577,13 +594,11 @@ int msp3400c_thread(void *data)
/* L NICAM or AM-mono */
state->second = msp3400c_carrier_detect_65[max2].cdo;
msp3400c_set_mode(client, MSP_MODE_AM_NICAM);
- msp3400c_set_carrier(client, state->second, state->main);
state->watch_stereo = 1;
} else if (max2 == 0 && state->has_nicam) {
/* D/K NICAM */
state->second = msp3400c_carrier_detect_65[max2].cdo;
msp3400c_set_mode(client, MSP_MODE_FM_NICAM1);
- msp3400c_set_carrier(client, state->second, state->main);
state->nicam_on = 1;
state->watch_stereo = 1;
} else {
@@ -595,25 +610,25 @@ int msp3400c_thread(void *data)
no_second:
state->second = msp3400c_carrier_detect_main[max1].cdo;
msp3400c_set_mode(client, MSP_MODE_FM_TERRA);
- msp3400c_set_carrier(client, state->second, state->main);
- state->rxsubchans = V4L2_TUNER_SUB_MONO;
break;
}
+ msp3400c_set_carrier(client, state->second, state->main);
/* unmute */
- msp_set_audio(client);
+ state->scan_in_progress = 0;
msp3400c_set_audmode(client);
+ msp_set_audio(client);
if (msp_debug)
msp3400c_print_mode(client);
/* monitor tv audio mode, the first time don't wait
so long to get a quick stereo/bilingual result */
- if (msp_sleep(state, 1000))
- goto restart;
+ count = 3;
while (state->watch_stereo) {
- if (msp_sleep(state, 5000))
+ if (msp_sleep(state, count ? 1000 : 5000))
goto restart;
+ if (count) count--;
watch_stereo(client);
}
}
@@ -626,7 +641,7 @@ int msp3410d_thread(void *data)
{
struct i2c_client *client = data;
struct msp_state *state = i2c_get_clientdata(client);
- int val, i, std;
+ int val, i, std, count;
v4l_dbg(1, msp_debug, client, "msp3410 daemon started\n");
@@ -644,16 +659,14 @@ int msp3410d_thread(void *data)
if (state->mode == MSP_MODE_EXTERN) {
/* no carrier scan needed, just unmute */
v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n");
+ state->scan_in_progress = 0;
msp_set_audio(client);
continue;
}
- /* put into sane state (and mute) */
- msp_reset(client);
-
- /* some time for the tuner to sync */
- if (msp_sleep(state,200))
- goto restart;
+ /* mute audio */
+ state->scan_in_progress = 1;
+ msp_set_audio(client);
/* start autodetect. Note: autodetect is not supported for
NTSC-M and radio, hence we force the standard in those cases. */
@@ -664,6 +677,10 @@ int msp3410d_thread(void *data)
state->watch_stereo = 0;
state->nicam_on = 0;
+ /* wait for tuner to settle down after a channel change */
+ if (msp_sleep(state, 200))
+ goto restart;
+
if (msp_debug)
v4l_dbg(2, msp_debug, client, "setting standard: %s (0x%04x)\n",
msp_standard_std_name(std), std);
@@ -693,6 +710,7 @@ int msp3410d_thread(void *data)
state->main = msp_stdlist[i].main;
state->second = msp_stdlist[i].second;
state->std = val;
+ state->rxsubchans = V4L2_TUNER_SUB_MONO;
if (msp_amsound && !state->radio && (state->v4l2_std & V4L2_STD_SECAM) &&
(val != 0x0009)) {
@@ -714,20 +732,17 @@ int msp3410d_thread(void *data)
else
state->mode = MSP_MODE_FM_NICAM1;
/* just turn on stereo */
- state->rxsubchans = V4L2_TUNER_SUB_STEREO;
state->nicam_on = 1;
state->watch_stereo = 1;
break;
case 0x0009:
state->mode = MSP_MODE_AM_NICAM;
- state->rxsubchans = V4L2_TUNER_SUB_MONO;
state->nicam_on = 1;
state->watch_stereo = 1;
break;
case 0x0020: /* BTSC */
/* The pre-'G' models only have BTSC-mono */
state->mode = MSP_MODE_BTSC;
- state->rxsubchans = V4L2_TUNER_SUB_MONO;
break;
case 0x0040: /* FM radio */
state->mode = MSP_MODE_FM_RADIO;
@@ -737,15 +752,12 @@ int msp3410d_thread(void *data)
msp3400c_set_mode(client, MSP_MODE_FM_RADIO);
msp3400c_set_carrier(client, MSP_CARRIER(10.7),
MSP_CARRIER(10.7));
- /* 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:
state->mode = MSP_MODE_FM_TERRA;
- state->rxsubchans = V4L2_TUNER_SUB_MONO;
state->watch_stereo = 1;
break;
}
@@ -759,20 +771,19 @@ int msp3410d_thread(void *data)
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);
+ /* unmute */
msp3400c_set_audmode(client);
+ state->scan_in_progress = 0;
+ msp_set_audio(client);
/* monitor tv audio mode, the first time don't wait
so long to get a quick stereo/bilingual result */
- if (msp_sleep(state, 1000))
- goto restart;
+ count = 3;
while (state->watch_stereo) {
- watch_stereo(client);
- if (msp_sleep(state, 5000))
+ if (msp_sleep(state, count ? 1000 : 5000))
goto restart;
+ if (count) count--;
+ watch_stereo(client);
}
}
v4l_dbg(1, msp_debug, client, "thread: exit\n");
@@ -829,27 +840,27 @@ static void msp34xxg_set_source(struct i2c_client *client, u16 reg, int in)
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;
+ case V4L2_TUNER_MODE_STEREO:
+ case V4L2_TUNER_MODE_LANG1:
+ default:
+ source = 3; /* stereo or A */
+ matrix = 0x00;
+ break;
}
- if (in == MSP_DSP_OUT_TUNER)
+ if (in == MSP_DSP_IN_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)
+ else if (in >= MSP_DSP_IN_MAIN_AVC && state->has_dolby_pro_logic)
source = ((in + 1) << 8) | matrix;
else
source = (in << 8) | matrix;
@@ -869,7 +880,7 @@ static void msp34xxg_set_sources(struct i2c_client *client)
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)
+ if (state->has_scart2_out)
msp34xxg_set_source(client, 0x0041, (in >> 16) & 0xf);
msp34xxg_set_source(client, 0x000b, (in >> 20) & 0xf);
}
@@ -887,10 +898,6 @@ static void msp34xxg_reset(struct i2c_client *client)
msp_reset(client);
- /* make sure that input/output is muted (paranoid mode) */
- /* ACB, mute DSP input, mute SCART 1 */
- msp_write_dsp(client, 0x13, 0x0f20);
-
if (state->has_i2s_conf)
msp_write_dem(client, 0x40, state->i2s_mode);
@@ -1028,7 +1035,7 @@ static void msp34xxg_set_audmode(struct i2c_client *client)
if (state->std == 0x20) {
if ((state->rxsubchans & V4L2_TUNER_SUB_SAP) &&
- (state->audmode == V4L2_TUNER_MODE_STEREO ||
+ (state->audmode == V4L2_TUNER_MODE_LANG1_LANG2 ||
state->audmode == V4L2_TUNER_MODE_LANG2)) {
msp_write_dem(client, 0x20, 0x21);
} else {
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