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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.c620
1 files changed, 340 insertions, 280 deletions
diff --git a/drivers/media/video/msp3400-kthreads.c b/drivers/media/video/msp3400-kthreads.c
index 2072c3efebb..c3984ea9ca0 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" },
@@ -109,7 +111,7 @@ static struct msp3400c_init_data_dem {
{-2, -8, -10, 10, 50, 86},
{-4, -12, -9, 23, 79, 126},
MSP_CARRIER(6.5), MSP_CARRIER(6.5),
- 0x00c6, 0x0140, 0x0120, 0x7c03
+ 0x00c6, 0x0140, 0x0120, 0x7c00
},
};
@@ -154,139 +156,150 @@ const char *msp_standard_std_name(int std)
return "unknown";
}
-void msp3400c_setcarrier(struct i2c_client *client, int cdo1, int cdo2)
+static void msp_set_source(struct i2c_client *client, u16 src)
+{
+ struct msp_state *state = i2c_get_clientdata(client);
+
+ if (msp_dolby) {
+ msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */
+ msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */
+ } else {
+ msp_write_dsp(client, 0x0008, src);
+ msp_write_dsp(client, 0x0009, 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)
+ msp_write_dsp(client, 0x0041, src);
+}
+
+void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2)
{
msp_write_dem(client, 0x0093, cdo1 & 0xfff);
msp_write_dem(client, 0x009b, cdo1 >> 12);
msp_write_dem(client, 0x00a3, cdo2 & 0xfff);
msp_write_dem(client, 0x00ab, cdo2 >> 12);
- msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/
+ msp_write_dem(client, 0x0056, 0); /* LOAD_REG_1/2 */
}
-void msp3400c_setmode(struct i2c_client *client, int type)
+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, "setmode: %d\n", type);
- state->mode = type;
- state->audmode = V4L2_TUNER_MODE_MONO;
+ 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, msp3400c_init_data[type].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, msp3400c_init_data[type].fir1[i]);
+ msp_write_dem(client, 0x0001, data->fir1[i]);
msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */
msp_write_dem(client, 0x0005, 0x0040);
msp_write_dem(client, 0x0005, 0x0000);
for (i = 5; i >= 0; i--)
- msp_write_dem(client, 0x0005, msp3400c_init_data[type].fir2[i]);
+ msp_write_dem(client, 0x0005, data->fir2[i]);
- msp_write_dem(client, 0x0083, msp3400c_init_data[type].mode_reg);
+ msp_write_dem(client, 0x0083, data->mode_reg);
- msp3400c_setcarrier(client, msp3400c_init_data[type].cdo1,
- msp3400c_init_data[type].cdo2);
+ msp3400c_set_carrier(client, data->cdo1, data->cdo2);
- msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/
+ msp_set_source(client, data->dsp_src);
+ /* set prescales */
- if (msp_dolby) {
- msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */
- msp_write_dsp(client, 0x0009, 0x0620); /* I2S2 */
- msp_write_dsp(client, 0x000b, msp3400c_init_data[type].dsp_src);
- } else {
- msp_write_dsp(client, 0x0008, msp3400c_init_data[type].dsp_src);
- msp_write_dsp(client, 0x0009, msp3400c_init_data[type].dsp_src);
- msp_write_dsp(client, 0x000b, msp3400c_init_data[type].dsp_src);
- }
- msp_write_dsp(client, 0x000a, msp3400c_init_data[type].dsp_src);
- msp_write_dsp(client, 0x000e, msp3400c_init_data[type].dsp_matrix);
-
- 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);
}
-/* turn on/off nicam + stereo */
-void msp3400c_setstereo(struct i2c_client *client, int mode)
+/* 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);
- int nicam = 0; /* channel source: FM/AM or nicam */
- int src = 0;
+ char *modestr = (state->audmode >= 0 && state->audmode < 5) ?
+ strmode[state->audmode] : "unknown";
+ int src = 0; /* channel source: FM/AM, nicam or SCART */
if (state->opmode == OPMODE_AUTOSELECT) {
/* this method would break everything, let's make sure
* it's never called
*/
- v4l_dbg(1, msp_debug, client, "setstereo called with mode=%d instead of set_source (ignored)\n",
- mode);
+ v4l_dbg(1, msp_debug, client,
+ "set_audmode called with mode=%d instead of set_source (ignored)\n",
+ state->audmode);
return;
}
/* switch demodulator */
switch (state->mode) {
case MSP_MODE_FM_TERRA:
- v4l_dbg(1, msp_debug, client, "FM setstereo: %s\n", strmode[mode]);
- msp3400c_setcarrier(client, state->second, state->main);
- switch (mode) {
+ v4l_dbg(1, msp_debug, client, "FM set_audmode: %s\n", modestr);
+ switch (state->audmode) {
case V4L2_TUNER_MODE_STEREO:
msp_write_dsp(client, 0x000e, 0x3001);
break;
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;
}
break;
case MSP_MODE_FM_SAT:
- v4l_dbg(1, msp_debug, client, "SAT setstereo: %s\n", strmode[mode]);
- switch (mode) {
+ v4l_dbg(1, msp_debug, client, "SAT set_audmode: %s\n", modestr);
+ switch (state->audmode) {
case V4L2_TUNER_MODE_MONO:
- msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5));
+ msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5));
break;
case V4L2_TUNER_MODE_STEREO:
- msp3400c_setcarrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02));
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ msp3400c_set_carrier(client, MSP_CARRIER(7.2), MSP_CARRIER(7.02));
break;
case V4L2_TUNER_MODE_LANG1:
- msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02));
+ msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02));
break;
case V4L2_TUNER_MODE_LANG2:
- msp3400c_setcarrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02));
+ msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02));
break;
}
break;
case MSP_MODE_FM_NICAM1:
case MSP_MODE_FM_NICAM2:
case MSP_MODE_AM_NICAM:
- v4l_dbg(1, msp_debug, client, "NICAM setstereo: %s\n",strmode[mode]);
- msp3400c_setcarrier(client,state->second,state->main);
+ v4l_dbg(1, msp_debug, client, "NICAM set_audmode: %s\n",modestr);
if (state->nicam_on)
- nicam=0x0100;
+ src = 0x0100; /* NICAM */
break;
case MSP_MODE_BTSC:
- v4l_dbg(1, msp_debug, client, "BTSC setstereo: %s\n",strmode[mode]);
- nicam=0x0300;
+ v4l_dbg(1, msp_debug, client, "BTSC set_audmode: %s\n",modestr);
break;
case MSP_MODE_EXTERN:
- v4l_dbg(1, msp_debug, client, "extern setstereo: %s\n",strmode[mode]);
- nicam = 0x0200;
+ v4l_dbg(1, msp_debug, client, "extern set_audmode: %s\n",modestr);
+ src = 0x0200; /* SCART */
break;
case MSP_MODE_FM_RADIO:
- v4l_dbg(1, msp_debug, client, "FM-Radio setstereo: %s\n",strmode[mode]);
+ v4l_dbg(1, msp_debug, client, "FM-Radio set_audmode: %s\n",modestr);
break;
default:
- v4l_dbg(1, msp_debug, client, "mono setstereo\n");
+ v4l_dbg(1, msp_debug, client, "mono set_audmode\n");
return;
}
/* switch audio */
- switch (mode) {
+ switch (state->audmode) {
case V4L2_TUNER_MODE_STEREO:
- src = 0x0020 | nicam;
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ src |= 0x0020;
break;
case V4L2_TUNER_MODE_MONO:
if (state->mode == MSP_MODE_AM_NICAM) {
@@ -297,29 +310,22 @@ void msp3400c_setstereo(struct i2c_client *client, int mode)
src = 0x0200;
break;
}
+ if (state->rxsubchans & V4L2_TUNER_SUB_STEREO)
+ src = 0x0030;
+ break;
case V4L2_TUNER_MODE_LANG1:
- src = 0x0000 | nicam;
+ /* 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 | nicam;
+ src |= 0x0010;
break;
}
- v4l_dbg(1, msp_debug, client, "setstereo final source/matrix = 0x%x\n", src);
+ v4l_dbg(1, msp_debug, client, "set_audmode final source/matrix = 0x%x\n", src);
- if (msp_dolby) {
- msp_write_dsp(client, 0x0008, 0x0520);
- msp_write_dsp(client, 0x0009, 0x0620);
- msp_write_dsp(client, 0x000a, src);
- msp_write_dsp(client, 0x000b, src);
- } else {
- msp_write_dsp(client, 0x0008, src);
- msp_write_dsp(client, 0x0009, 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)
- msp_write_dsp(client, 0x0041, src);
- }
+ msp_set_source(client, src);
}
static void msp3400c_print_mode(struct i2c_client *client)
@@ -347,12 +353,12 @@ static void msp3400c_print_mode(struct i2c_client *client)
/* ----------------------------------------------------------------------- */
-int autodetect_stereo(struct i2c_client *client)
+static int msp3400c_detect_stereo(struct i2c_client *client)
{
struct msp_state *state = i2c_get_clientdata(client);
int val;
int rxsubchans = state->rxsubchans;
- int newnicam = state->nicam_on;
+ int newnicam = state->nicam_on;
int update = 0;
switch (state->mode) {
@@ -362,7 +368,7 @@ int autodetect_stereo(struct i2c_client *client)
val -= 65536;
v4l_dbg(2, msp_debug, client, "stereo detect register: %d\n", val);
if (val > 4096) {
- rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
+ rxsubchans = V4L2_TUNER_SUB_STEREO;
} else if (val < -4096) {
rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
} else {
@@ -386,14 +392,11 @@ int autodetect_stereo(struct i2c_client *client)
break;
case 1:
case 9:
- rxsubchans = V4L2_TUNER_SUB_MONO
- | V4L2_TUNER_SUB_LANG1;
+ rxsubchans = V4L2_TUNER_SUB_MONO;
break;
case 2:
case 10:
- rxsubchans = V4L2_TUNER_SUB_MONO
- | V4L2_TUNER_SUB_LANG1
- | V4L2_TUNER_SUB_LANG2;
+ rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
break;
default:
rxsubchans = V4L2_TUNER_SUB_MONO;
@@ -405,30 +408,17 @@ int autodetect_stereo(struct i2c_client *client)
rxsubchans = V4L2_TUNER_SUB_MONO;
}
break;
- case MSP_MODE_BTSC:
- val = msp_read_dem(client, 0x200);
- v4l_dbg(2, msp_debug, client, "status=0x%x (pri=%s, sec=%s, %s%s%s)\n",
- val,
- (val & 0x0002) ? "no" : "yes",
- (val & 0x0004) ? "no" : "yes",
- (val & 0x0040) ? "stereo" : "mono",
- (val & 0x0080) ? ", nicam 2nd mono" : "",
- (val & 0x0100) ? ", bilingual/SAP" : "");
- rxsubchans = V4L2_TUNER_SUB_MONO;
- if (val & 0x0040) rxsubchans |= V4L2_TUNER_SUB_STEREO;
- if (val & 0x0100) rxsubchans |= V4L2_TUNER_SUB_LANG1;
- break;
}
if (rxsubchans != state->rxsubchans) {
update = 1;
- v4l_dbg(1, msp_debug, client, "watch: rxsubchans %d => %d\n",
- state->rxsubchans,rxsubchans);
+ v4l_dbg(1, msp_debug, client, "watch: rxsubchans %02x => %02x\n",
+ state->rxsubchans, rxsubchans);
state->rxsubchans = rxsubchans;
}
if (newnicam != state->nicam_on) {
update = 1;
v4l_dbg(1, msp_debug, client, "watch: nicam %d => %d\n",
- state->nicam_on,newnicam);
+ state->nicam_on, newnicam);
state->nicam_on = newnicam;
}
return update;
@@ -443,13 +433,8 @@ static void watch_stereo(struct i2c_client *client)
{
struct msp_state *state = i2c_get_clientdata(client);
- if (autodetect_stereo(client)) {
- if (state->rxsubchans & V4L2_TUNER_SUB_STEREO)
- msp3400c_setstereo(client, V4L2_TUNER_MODE_STEREO);
- else if (state->rxsubchans & V4L2_TUNER_SUB_LANG1)
- msp3400c_setstereo(client, V4L2_TUNER_MODE_LANG1);
- else
- msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
+ if (msp_detect_stereo(client)) {
+ msp_set_audmode(client);
}
if (msp_once)
@@ -461,7 +446,7 @@ int msp3400c_thread(void *data)
struct i2c_client *client = data;
struct msp_state *state = i2c_get_clientdata(client);
struct msp3400c_carrier_detect *cd;
- int count, max1,max2,val1,val2, val,this;
+ int count, max1, max2, val1, val2, val, this;
v4l_dbg(1, msp_debug, client, "msp3400 daemon started\n");
@@ -471,7 +456,7 @@ int msp3400c_thread(void *data)
v4l_dbg(2, msp_debug, client, "msp3400 thread: wakeup\n");
restart:
- v4l_dbg(1, msp_debug, client, "thread: restart scan\n");
+ v4l_dbg(2, msp_debug, client, "thread: restart scan\n");
state->restart = 0;
if (kthread_should_stop())
break;
@@ -485,13 +470,14 @@ int msp3400c_thread(void *data)
/* mute */
msp_set_mute(client);
- msp3400c_setmode(client, MSP_MODE_AM_DETECT /* +1 */ );
+ 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 */
- if (msp_sleep(state,200))
+ if (msp_sleep(state, 200))
goto restart;
/* carrier detect pass #1 -- main carrier */
@@ -506,7 +492,7 @@ int msp3400c_thread(void *data)
}
for (this = 0; this < count; this++) {
- msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo);
+ msp3400c_set_carrier(client, cd[this].cdo, cd[this].cdo);
if (msp_sleep(state,100))
goto restart;
val = msp_read_dsp(client, 0x1b);
@@ -542,7 +528,7 @@ int msp3400c_thread(void *data)
max2 = 0;
}
for (this = 0; this < count; this++) {
- msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo);
+ msp3400c_set_carrier(client, cd[this].cdo, cd[this].cdo);
if (msp_sleep(state,100))
goto restart;
val = msp_read_dsp(client, 0x1b);
@@ -554,22 +540,20 @@ int msp3400c_thread(void *data)
}
/* program the msp3400 according to the results */
- state->main = msp3400c_carrier_detect_main[max1].cdo;
+ state->main = msp3400c_carrier_detect_main[max1].cdo;
switch (max1) {
case 1: /* 5.5 */
if (max2 == 0) {
/* B/G FM-stereo */
state->second = msp3400c_carrier_detect_55[max2].cdo;
- msp3400c_setmode(client, MSP_MODE_FM_TERRA);
- state->nicam_on = 0;
- msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
+ msp3400c_set_mode(client, MSP_MODE_FM_TERRA);
state->watch_stereo = 1;
} else if (max2 == 1 && state->has_nicam) {
/* B/G NICAM */
state->second = msp3400c_carrier_detect_55[max2].cdo;
- msp3400c_setmode(client, MSP_MODE_FM_NICAM1);
+ msp3400c_set_mode(client, MSP_MODE_FM_NICAM1);
+ msp3400c_set_carrier(client, state->second, state->main);
state->nicam_on = 1;
- msp3400c_setcarrier(client, state->second, state->main);
state->watch_stereo = 1;
} else {
goto no_second;
@@ -578,35 +562,29 @@ int msp3400c_thread(void *data)
case 2: /* 6.0 */
/* PAL I NICAM */
state->second = MSP_CARRIER(6.552);
- msp3400c_setmode(client, MSP_MODE_FM_NICAM2);
+ msp3400c_set_mode(client, MSP_MODE_FM_NICAM2);
+ msp3400c_set_carrier(client, state->second, state->main);
state->nicam_on = 1;
- msp3400c_setcarrier(client, state->second, state->main);
state->watch_stereo = 1;
break;
case 3: /* 6.5 */
if (max2 == 1 || max2 == 2) {
/* D/K FM-stereo */
state->second = msp3400c_carrier_detect_65[max2].cdo;
- msp3400c_setmode(client, MSP_MODE_FM_TERRA);
- state->nicam_on = 0;
- msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
+ msp3400c_set_mode(client, MSP_MODE_FM_TERRA);
state->watch_stereo = 1;
} else if (max2 == 0 && (state->v4l2_std & V4L2_STD_SECAM)) {
/* L NICAM or AM-mono */
state->second = msp3400c_carrier_detect_65[max2].cdo;
- msp3400c_setmode(client, MSP_MODE_AM_NICAM);
- state->nicam_on = 0;
- msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
- msp3400c_setcarrier(client, state->second, state->main);
- /* volume prescale for SCART (AM mono input) */
- msp_write_dsp(client, 0x000d, 0x1900);
+ 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_setmode(client, MSP_MODE_FM_NICAM1);
+ msp3400c_set_mode(client, MSP_MODE_FM_NICAM1);
+ msp3400c_set_carrier(client, state->second, state->main);
state->nicam_on = 1;
- msp3400c_setcarrier(client, state->second, state->main);
state->watch_stereo = 1;
} else {
goto no_second;
@@ -616,23 +594,25 @@ int msp3400c_thread(void *data)
default:
no_second:
state->second = msp3400c_carrier_detect_main[max1].cdo;
- msp3400c_setmode(client, MSP_MODE_FM_TERRA);
- state->nicam_on = 0;
- msp3400c_setcarrier(client, state->second, state->main);
+ msp3400c_set_mode(client, MSP_MODE_FM_TERRA);
+ msp3400c_set_carrier(client, state->second, state->main);
state->rxsubchans = V4L2_TUNER_SUB_MONO;
- msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
break;
}
/* unmute */
msp_set_audio(client);
+ msp3400c_set_audmode(client);
if (msp_debug)
msp3400c_print_mode(client);
- /* monitor tv audio mode */
+ /* 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;
while (state->watch_stereo) {
- if (msp_sleep(state,5000))
+ if (msp_sleep(state, 5000))
goto restart;
watch_stereo(client);
}
@@ -656,7 +636,7 @@ int msp3410d_thread(void *data)
v4l_dbg(2, msp_debug, client, "msp3410 thread: wakeup\n");
restart:
- v4l_dbg(1, msp_debug, client, "thread: restart scan\n");
+ v4l_dbg(2, msp_debug, client, "thread: restart scan\n");
state->restart = 0;
if (kthread_should_stop())
break;
@@ -675,15 +655,17 @@ 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
std = (state->v4l2_std & V4L2_STD_NTSC) ? 0x20 : 1;
state->watch_stereo = 0;
+ state->nicam_on = 0;
if (msp_debug)
- v4l_dbg(1, msp_debug, client, "setting standard: %s (0x%04x)\n",
+ v4l_dbg(2, msp_debug, client, "setting standard: %s (0x%04x)\n",
msp_standard_std_name(std), std);
if (std != 1) {
@@ -700,7 +682,7 @@ int msp3410d_thread(void *data)
val = msp_read_dem(client, 0x7e);
if (val < 0x07ff)
break;
- v4l_dbg(1, msp_debug, client, "detection still in progress\n");
+ v4l_dbg(2, msp_debug, client, "detection still in progress\n");
}
}
for (i = 0; msp_stdlist[i].name != NULL; i++)
@@ -718,84 +700,79 @@ 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;
state->watch_stereo = 1;
- msp3400c_setstereo(client,V4L2_TUNER_MODE_STEREO);
break;
case 0x0009:
state->mode = MSP_MODE_AM_NICAM;
state->rxsubchans = V4L2_TUNER_SUB_MONO;
state->nicam_on = 1;
- msp3400c_setstereo(client,V4L2_TUNER_MODE_MONO);
state->watch_stereo = 1;
break;
case 0x0020: /* BTSC */
- /* just turn on stereo */
+ /* The pre-'G' models only have BTSC-mono */
state->mode = MSP_MODE_BTSC;
- state->rxsubchans = V4L2_TUNER_SUB_STEREO;
- state->nicam_on = 0;
- state->watch_stereo = 1;
- msp3400c_setstereo(client,V4L2_TUNER_MODE_STEREO);
+ state->rxsubchans = V4L2_TUNER_SUB_MONO;
break;
case 0x0040: /* FM radio */
state->mode = MSP_MODE_FM_RADIO;
state->rxsubchans = V4L2_TUNER_SUB_STEREO;
- state->audmode = V4L2_TUNER_MODE_STEREO;
- state->nicam_on = 0;
- state->watch_stereo = 0;
/* not needed in theory if we have radio, but
short programming enables carrier mute */
- msp3400c_setmode(client, MSP_MODE_FM_RADIO);
- msp3400c_setcarrier(client, MSP_CARRIER(10.7),
+ msp3400c_set_mode(client, MSP_MODE_FM_RADIO);
+ msp3400c_set_carrier(client, MSP_CARRIER(10.7),
MSP_CARRIER(10.7));
- /* scart routing */
+ /* scart routing (this doesn't belong here I think) */
msp_set_scart(client,SCART_IN2,0);
- /* msp34xx does radio decoding */
- msp_write_dsp(client, 0x08, 0x0020);
- msp_write_dsp(client, 0x09, 0x0020);
- msp_write_dsp(client, 0x0b, 0x0020);
break;
+ case 0x0002:
case 0x0003:
case 0x0004:
case 0x0005:
state->mode = MSP_MODE_FM_TERRA;
state->rxsubchans = V4L2_TUNER_SUB_MONO;
- state->audmode = V4L2_TUNER_MODE_MONO;
- state->nicam_on = 0;
state->watch_stereo = 1;
break;
}
+ /* 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);
- if (state->has_i2s_conf)
- msp_write_dem(client, 0x40, state->i2s_mode);
+ msp3400c_set_audmode(client);
- /* monitor tv audio mode */
+ /* 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;
while (state->watch_stereo) {
- if (msp_sleep(state,5000))
- goto restart;
watch_stereo(client);
+ if (msp_sleep(state, 5000))
+ goto restart;
}
}
v4l_dbg(1, msp_debug, client, "thread: exit\n");
@@ -804,102 +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_setstereo
+/* 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);
-
- v4l_dbg(1, msp_debug, client, "set source to %d (0x%x)\n", source, value);
- /* Loudspeaker Output */
- msp_write_dsp(client, 0x08, value);
- /* SCART1 DA Output */
- msp_write_dsp(client, 0x0a, value);
- /* Quasi-peak detector */
- msp_write_dsp(client, 0x0c, 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->radio) {
+ v4l_dbg(1, msp_debug, client, "selected radio modus\n");
+ return 0x0001;
+ }
+
+ 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;
- if (msp_reset(client))
- return -1;
+ /* initialize std to 1 (autodetect) to signal that no standard is
+ selected yet. */
+ state->std = 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);
@@ -913,12 +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;
@@ -926,20 +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);
@@ -948,63 +978,93 @@ int msp34xxg_thread(void *data)
if (msp_write_dsp(client, 0x13, state->acb))
return -1;
- 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;
}
-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)
- state->rxsubchans |= V4L2_TUNER_SUB_STEREO;
+ state->rxsubchans = V4L2_TUNER_SUB_STEREO;
else
- state->rxsubchans |= V4L2_TUNER_SUB_MONO;
+ 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);
}
-void msp34xxg_set_audmode(struct i2c_client *client, int audmode)
+static void msp34xxg_set_audmode(struct i2c_client *client)
{
struct msp_state *state = i2c_get_clientdata(client);
- int source;
- switch (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 */
+ 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_sources(client);
+}
+
+void msp_set_audmode(struct i2c_client *client)
+{
+ struct msp_state *state = i2c_get_clientdata(client);
+
+ switch (state->opmode) {
+ case OPMODE_MANUAL:
+ case OPMODE_AUTODETECT:
+ msp3400c_set_audmode(client);
break;
- default:
- audmode = 0;
- source = 1;
+ case OPMODE_AUTOSELECT:
+ msp34xxg_set_audmode(client);
break;
}
- state->audmode = audmode;
- msp34xxg_set_source(client, source);
+}
+
+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:
+ return msp3400c_detect_stereo(client);
+ case OPMODE_AUTOSELECT:
+ return msp34xxg_detect_stereo(client);
+ }
+ return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-29 05:33:04 +0000