*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
*/
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/i2c.h>
-#include <linux/videodev.h>
+#include <linux/freezer.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.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 */
{ 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" },
{75, 19, 36, 35, 39, 40},
MSP_CARRIER(5.5), MSP_CARRIER(5.5),
0x00d0, 0x0500, 0x0020, 0x3000
- },{ /* AM (for carrier detect / msp3410) */
+ }, { /* AM (for carrier detect / msp3410) */
{-1, -1, -8, 2, 59, 126},
{-1, -1, -8, 2, 59, 126},
MSP_CARRIER(5.5), MSP_CARRIER(5.5),
0x00d0, 0x0100, 0x0020, 0x3000
- },{ /* FM Radio */
+ }, { /* FM Radio */
{-8, -8, 4, 6, 78, 107},
{-8, -8, 4, 6, 78, 107},
MSP_CARRIER(10.7), MSP_CARRIER(10.7),
0x00d0, 0x0480, 0x0020, 0x3000
- },{ /* Terrestial FM-mono + FM-stereo */
+ }, { /* Terrestial FM-mono + FM-stereo */
{3, 18, 27, 48, 66, 72},
{3, 18, 27, 48, 66, 72},
MSP_CARRIER(5.5), MSP_CARRIER(5.5),
0x00d0, 0x0480, 0x0030, 0x3000
- },{ /* Sat FM-mono */
+ }, { /* Sat FM-mono */
{ 1, 9, 14, 24, 33, 37},
{ 3, 18, 27, 48, 66, 72},
MSP_CARRIER(6.5), MSP_CARRIER(6.5),
0x00c6, 0x0480, 0x0000, 0x3000
- },{ /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */
+ }, { /* NICAM/FM -- B/G (5.5/5.85), D/K (6.5/5.85) */
{-2, -8, -10, 10, 50, 86},
{3, 18, 27, 48, 66, 72},
MSP_CARRIER(5.5), MSP_CARRIER(5.5),
0x00d0, 0x0040, 0x0120, 0x3000
- },{ /* NICAM/FM -- I (6.0/6.552) */
+ }, { /* NICAM/FM -- I (6.0/6.552) */
{2, 4, -6, -4, 40, 94},
{3, 18, 27, 48, 66, 72},
MSP_CARRIER(6.0), MSP_CARRIER(6.0),
0x00d0, 0x0040, 0x0120, 0x3000
- },{ /* NICAM/AM -- L (6.5/5.85) */
+ }, { /* NICAM/AM -- L (6.5/5.85) */
{-2, -8, -10, 10, 50, 86},
{-4, -12, -9, 23, 79, 126},
MSP_CARRIER(6.5), MSP_CARRIER(6.5),
static void msp_set_source(struct i2c_client *client, u16 src)
{
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
if (msp_dolby) {
msp_write_dsp(client, 0x0008, 0x0520); /* I2S1 */
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);
}
void msp3400c_set_mode(struct i2c_client *client, int mode)
{
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
struct msp3400c_init_data_dem *data = &msp3400c_init_data[mode];
+ int tuner = (state->route_in >> 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]);
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" };
- struct msp_state *state = i2c_get_clientdata(client);
- char *modestr = (state->audmode >= 0 && state->audmode < 4) ?
+ static char *strmode[] = {
+ "mono", "stereo", "lang2", "lang1", "lang1+lang2"
+ };
+ struct msp_state *state = to_state(i2c_get_clientdata(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
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. */
+
+ if (state->mode != MSP_MODE_EXTERN) {
+ /* 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;
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 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;
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:
case MSP_MODE_FM_NICAM1:
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);
+ v4l_dbg(1, msp_debug, client,
+ "NICAM set_audmode: %s\n", modestr);
if (state->nicam_on)
src = 0x0100; /* NICAM */
break;
case MSP_MODE_BTSC:
- v4l_dbg(1, msp_debug, client, "BTSC set_audmode: %s\n",modestr);
+ v4l_dbg(1, msp_debug, client,
+ "BTSC set_audmode: %s\n", modestr);
break;
case MSP_MODE_EXTERN:
- v4l_dbg(1, msp_debug, client, "extern set_audmode: %s\n",modestr);
+ 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 set_audmode: %s\n",modestr);
+ v4l_dbg(1, msp_debug, client,
+ "FM-Radio set_audmode: %s\n", modestr);
break;
default:
v4l_dbg(1, msp_debug, client, "mono set_audmode\n");
}
/* 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;
break;
case V4L2_TUNER_MODE_MONO:
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;
break;
}
- v4l_dbg(1, msp_debug, client, "set_audmode final source/matrix = 0x%x\n", src);
+ v4l_dbg(1, msp_debug, client,
+ "set_audmode final source/matrix = 0x%x\n", src);
msp_set_source(client, src);
}
static void msp3400c_print_mode(struct i2c_client *client)
{
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
- if (state->main == state->second) {
- v4l_dbg(1, msp_debug, client, "mono sound carrier: %d.%03d MHz\n",
- state->main / 910000, (state->main / 910) % 1000);
- } else {
- v4l_dbg(1, msp_debug, client, "main sound carrier: %d.%03d MHz\n",
- state->main / 910000, (state->main / 910) % 1000);
- }
+ if (state->main == state->second)
+ v4l_dbg(1, msp_debug, client,
+ "mono sound carrier: %d.%03d MHz\n",
+ state->main / 910000, (state->main / 910) % 1000);
+ else
+ v4l_dbg(1, msp_debug, client,
+ "main sound carrier: %d.%03d MHz\n",
+ state->main / 910000, (state->main / 910) % 1000);
if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2)
- v4l_dbg(1, msp_debug, client, "NICAM/FM carrier : %d.%03d MHz\n",
- state->second / 910000, (state->second/910) % 1000);
+ v4l_dbg(1, msp_debug, client,
+ "NICAM/FM carrier : %d.%03d MHz\n",
+ state->second / 910000, (state->second/910) % 1000);
if (state->mode == MSP_MODE_AM_NICAM)
- v4l_dbg(1, msp_debug, client, "NICAM/AM carrier : %d.%03d MHz\n",
- state->second / 910000, (state->second / 910) % 1000);
+ v4l_dbg(1, msp_debug, client,
+ "NICAM/AM carrier : %d.%03d MHz\n",
+ state->second / 910000, (state->second / 910) % 1000);
if (state->mode == MSP_MODE_FM_TERRA && state->main != state->second) {
- v4l_dbg(1, msp_debug, client, "FM-stereo carrier : %d.%03d MHz\n",
- state->second / 910000, (state->second / 910) % 1000);
+ v4l_dbg(1, msp_debug, client,
+ "FM-stereo carrier : %d.%03d MHz\n",
+ state->second / 910000, (state->second / 910) % 1000);
}
}
static int msp3400c_detect_stereo(struct i2c_client *client)
{
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
int val;
int rxsubchans = state->rxsubchans;
int newnicam = state->nicam_on;
val = msp_read_dsp(client, 0x18);
if (val > 32767)
val -= 65536;
- v4l_dbg(2, msp_debug, client, "stereo detect register: %d\n", val);
- if (val > 4096) {
+ v4l_dbg(2, msp_debug, client,
+ "stereo detect register: %d\n", val);
+ if (val > 8192) {
rxsubchans = V4L2_TUNER_SUB_STEREO;
} else if (val < -4096) {
rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
}
if (rxsubchans != state->rxsubchans) {
update = 1;
- v4l_dbg(1, msp_debug, client, "watch: rxsubchans %02x => %02x\n",
+ v4l_dbg(1, msp_debug, client,
+ "watch: rxsubchans %02x => %02x\n",
state->rxsubchans, rxsubchans);
state->rxsubchans = rxsubchans;
}
/* stereo/multilang monitoring */
static void watch_stereo(struct i2c_client *client)
{
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_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)
state->watch_stereo = 0;
int msp3400c_thread(void *data)
{
struct i2c_client *client = data;
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_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, i;
v4l_dbg(1, msp_debug, client, "msp3400 daemon started\n");
+ set_freezable();
for (;;) {
v4l_dbg(2, msp_debug, client, "msp3400 thread: sleep\n");
msp_sleep(state, -1);
v4l_dbg(2, msp_debug, client, "msp3400 thread: wakeup\n");
- restart:
+restart:
v4l_dbg(2, msp_debug, client, "thread: restart scan\n");
state->restart = 0;
if (kthread_should_stop())
if (state->radio || MSP_MODE_EXTERN == state->mode) {
/* no carrier scan, just unmute */
- v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n");
+ 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);
- msp3400c_set_mode(client, MSP_MODE_AM_DETECT /* +1 */ );
+ /* 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;
v4l_dbg(1, msp_debug, client, "AM sound override\n");
}
- for (this = 0; this < count; this++) {
- msp3400c_set_carrier(client, cd[this].cdo, cd[this].cdo);
- if (msp_sleep(state,100))
+ for (i = 0; i < count; i++) {
+ msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo);
+ if (msp_sleep(state, 100))
goto restart;
val = msp_read_dsp(client, 0x1b);
if (val > 32767)
val -= 65536;
if (val1 < val)
- val1 = val, max1 = this;
- v4l_dbg(1, msp_debug, client, "carrier1 val: %5d / %s\n", val,cd[this].name);
+ val1 = val, max1 = i;
+ v4l_dbg(1, msp_debug, client,
+ "carrier1 val: %5d / %s\n", val, cd[i].name);
}
/* carrier detect pass #2 -- second (stereo) carrier */
count = 0;
max2 = 0;
}
- for (this = 0; this < count; this++) {
- msp3400c_set_carrier(client, cd[this].cdo, cd[this].cdo);
- if (msp_sleep(state,100))
+ for (i = 0; i < count; i++) {
+ msp3400c_set_carrier(client, cd[i].cdo, cd[i].cdo);
+ if (msp_sleep(state, 100))
goto restart;
val = msp_read_dsp(client, 0x1b);
if (val > 32767)
val -= 65536;
if (val2 < val)
- val2 = val, max2 = this;
- v4l_dbg(1, msp_debug, client, "carrier2 val: %5d / %s\n", val,cd[this].name);
+ val2 = val, max2 = i;
+ v4l_dbg(1, msp_debug, client,
+ "carrier2 val: %5d / %s\n", val, cd[i].name);
}
/* program the msp3400 according to the results */
/* 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 {
/* 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;
/* 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);
- /* 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 */
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 {
break;
case 0: /* 4.5 */
default:
- no_second:
+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);
}
}
int msp3410d_thread(void *data)
{
struct i2c_client *client = data;
- struct msp_state *state = i2c_get_clientdata(client);
- int val, i, std;
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
+ int val, i, std, count;
v4l_dbg(1, msp_debug, client, "msp3410 daemon started\n");
-
+ set_freezable();
for (;;) {
v4l_dbg(2, msp_debug, client, "msp3410 thread: sleep\n");
- msp_sleep(state,-1);
+ msp_sleep(state, -1);
v4l_dbg(2, msp_debug, client, "msp3410 thread: wakeup\n");
- restart:
+restart:
v4l_dbg(2, msp_debug, client, "thread: restart scan\n");
state->restart = 0;
if (kthread_should_stop())
if (state->mode == MSP_MODE_EXTERN) {
/* no carrier scan needed, just unmute */
- v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n");
+ 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 */
+ /* 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
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);
+ v4l_dbg(2, msp_debug, client,
+ "setting standard: %s (0x%04x)\n",
+ msp_standard_std_name(std), std);
if (std != 1) {
/* programmed some specific mode */
val = msp_read_dem(client, 0x7e);
if (val < 0x07ff)
break;
- v4l_dbg(2, 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++)
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)) {
+ if (msp_amsound && !state->radio &&
+ (state->v4l2_std & V4L2_STD_SECAM) && (val != 0x0009)) {
/* autodetection has failed, let backup */
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;
+ msp_stdlist[8].name ?
+ msp_stdlist[8].name : "unknown", val);
+ 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;
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;
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;
}
- /* 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 */
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");
/* ----------------------------------------------------------------------- */
-/* 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)
-{
- 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);
- 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;
-}
static int msp34xxg_modus(struct i2c_client *client)
{
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
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;
v4l_dbg(1, msp_debug, client, "selected M (A2) modus\n");
return 0x0001;
}
+ if (state->v4l2_std == V4L2_STD_SECAM_L) {
+ v4l_dbg(1, msp_debug, client, "selected SECAM-L modus\n");
+ return 0x6001;
+ }
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 0x7001;
+}
+
+static void msp34xxg_set_source(struct i2c_client *client, u16 reg, int in)
+ {
+ struct msp_state *state = to_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_LANG2:
+ source = 4; /* stereo or B */
+ matrix = 0x10;
+ break;
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ source = 1; /* stereo or A|B */
+ matrix = 0x20;
+ break;
+ case V4L2_TUNER_MODE_LANG1:
+ source = 3; /* stereo or A */
+ matrix = 0x00;
+ break;
+ case V4L2_TUNER_MODE_STEREO:
+ default:
+ source = 3; /* stereo or A */
+ matrix = 0x20;
+ break;
}
- return 0x0001;
+
+ 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_IN_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);
}
-/* (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_sources(struct i2c_client *client)
{
- struct msp_state *state = i2c_get_clientdata(client);
- int modus, std;
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
+ u32 in = state->route_in;
+
+ 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_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 = to_state(i2c_get_clientdata(client));
+ int tuner = (state->route_in >> 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;
- /* 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_reset(client);
if (state->has_i2s_conf)
msp_write_dem(client, 0x40, state->i2s_mode);
/* step-by-step initialisation, as described in the manual */
modus = msp34xxg_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 |= 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;
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
+ int val, i;
v4l_dbg(1, msp_debug, client, "msp34xxg daemon started\n");
-
- state->source = 1; /* default */
+ set_freezable();
for (;;) {
v4l_dbg(2, msp_debug, client, "msp34xxg thread: sleep\n");
msp_sleep(state, -1);
v4l_dbg(2, msp_debug, client, "msp34xxg thread: wakeup\n");
- restart:
+restart:
v4l_dbg(1, msp_debug, client, "thread: restart scan\n");
state->restart = 0;
if (kthread_should_stop())
break;
+ 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;
+ }
+
/* setup the chip*/
msp34xxg_reset(client);
- std = msp_standard;
- if (std != 0x01)
+ state->std = state->radio ? 0x40 :
+ (state->force_btsc && msp_standard == 1) ? 32 : msp_standard;
+ msp_write_dem(client, 0x20, state->std);
+ /* start autodetect */
+ if (state->std != 1)
goto unmute;
/* 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;
/* 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");
+ v4l_dbg(2, msp_debug, client,
+ "detection still in progress\n");
}
- if (std == 1) {
- v4l_dbg(1, msp_debug, client, "detection still in progress after 10 tries. giving up.\n");
+ 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);
+unmute:
+ v4l_dbg(1, msp_debug, client,
+ "detected standard: %s (0x%04x)\n",
+ msp_standard_std_name(state->std), state->std);
+
+ if (state->std == 9) {
+ /* AM NICAM mode */
+ msp_write_dsp(client, 0x0e, 0x7c00);
+ }
/* unmute: dispatch sound to scart output, set scart volume */
msp_set_audio(client);
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);
-
+ struct msp_state *state = to_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;
+
+ if (state->mode == MSP_MODE_EXTERN)
+ return 0;
state->rxsubchans = 0;
if (is_stereo)
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",
+ 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;
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
+
+ if (state->std == 0x20) {
+ if ((state->rxsubchans & V4L2_TUNER_SUB_SAP) &&
+ (state->audmode == V4L2_TUNER_MODE_LANG1_LANG2 ||
+ 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)
{
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_state(i2c_get_clientdata(client));
switch (state->opmode) {
case OPMODE_MANUAL:
case OPMODE_AUTODETECT:
- state->watch_stereo = 0;
msp3400c_set_audmode(client);
break;
case OPMODE_AUTOSELECT:
}
}
-void msp_detect_stereo(struct i2c_client *client)
+int msp_detect_stereo(struct i2c_client *client)
{
- struct msp_state *state = i2c_get_clientdata(client);
+ struct msp_state *state = to_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;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff