diff options
Diffstat (limited to 'drivers/media/video/msp3400-kthreads.c')
| -rw-r--r-- | drivers/media/video/msp3400-kthreads.c | 1165 |
1 files changed, 0 insertions, 1165 deletions
diff --git a/drivers/media/video/msp3400-kthreads.c b/drivers/media/video/msp3400-kthreads.c deleted file mode 100644 index f8b51714f2f9..000000000000 --- a/drivers/media/video/msp3400-kthreads.c +++ /dev/null @@ -1,1165 +0,0 @@ -/* - * Programming the mspx4xx sound processor family - * - * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * 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. - */ - - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/i2c.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-driver.h" - -/* this one uses the automatic sound standard detection of newer msp34xx - chip versions */ -static struct { - int retval; - int main, second; - char *name; - v4l2_std_id std; -} msp_stdlist[] = { - { 0x0000, 0, 0, "could not detect sound standard", V4L2_STD_ALL }, - { 0x0001, 0, 0, "autodetect start", V4L2_STD_ALL }, - { 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), - "4.5/4.72 M Dual FM-Stereo", V4L2_STD_MN }, - { 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), - "5.5/5.74 B/G Dual FM-Stereo", V4L2_STD_BG }, - { 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), - "6.5/6.25 D/K1 Dual FM-Stereo", V4L2_STD_DK }, - { 0x0005, MSP_CARRIER(6.5), MSP_CARRIER(6.7421875), - "6.5/6.74 D/K2 Dual FM-Stereo", V4L2_STD_DK }, - { 0x0006, MSP_CARRIER(6.5), MSP_CARRIER(6.5), - "6.5 D/K FM-Mono (HDEV3)", V4L2_STD_DK }, - { 0x0007, MSP_CARRIER(6.5), MSP_CARRIER(5.7421875), - "6.5/5.74 D/K3 Dual FM-Stereo", V4L2_STD_DK }, - { 0x0008, MSP_CARRIER(5.5), MSP_CARRIER(5.85), - "5.5/5.85 B/G NICAM FM", V4L2_STD_BG }, - { 0x0009, MSP_CARRIER(6.5), MSP_CARRIER(5.85), - "6.5/5.85 L NICAM AM", V4L2_STD_L }, - { 0x000a, MSP_CARRIER(6.0), MSP_CARRIER(6.55), - "6.0/6.55 I NICAM FM", V4L2_STD_PAL_I }, - { 0x000b, MSP_CARRIER(6.5), MSP_CARRIER(5.85), - "6.5/5.85 D/K NICAM FM", V4L2_STD_DK }, - { 0x000c, MSP_CARRIER(6.5), MSP_CARRIER(5.85), - "6.5/5.85 D/K NICAM FM (HDEV2)", V4L2_STD_DK }, - { 0x000d, MSP_CARRIER(6.5), MSP_CARRIER(5.85), - "6.5/5.85 D/K NICAM FM (HDEV3)", V4L2_STD_DK }, - { 0x0020, MSP_CARRIER(4.5), MSP_CARRIER(4.5), - "4.5 M BTSC-Stereo", V4L2_STD_MTS }, - { 0x0021, MSP_CARRIER(4.5), MSP_CARRIER(4.5), - "4.5 M BTSC-Mono + SAP", V4L2_STD_MTS }, - { 0x0030, MSP_CARRIER(4.5), MSP_CARRIER(4.5), - "4.5 M EIA-J Japan Stereo", V4L2_STD_NTSC_M_JP }, - { 0x0040, MSP_CARRIER(10.7), MSP_CARRIER(10.7), - "10.7 FM-Stereo Radio", V4L2_STD_ALL }, - { 0x0050, MSP_CARRIER(6.5), MSP_CARRIER(6.5), - "6.5 SAT-Mono", V4L2_STD_ALL }, - { 0x0051, MSP_CARRIER(7.02), MSP_CARRIER(7.20), - "7.02/7.20 SAT-Stereo", V4L2_STD_ALL }, - { 0x0060, MSP_CARRIER(7.2), MSP_CARRIER(7.2), - "7.2 SAT ADR", V4L2_STD_ALL }, - { -1, 0, 0, NULL, 0 }, /* EOF */ -}; - -static struct msp3400c_init_data_dem { - int fir1[6]; - int fir2[6]; - int cdo1; - int cdo2; - int ad_cv; - int mode_reg; - int dsp_src; - int dsp_matrix; -} msp3400c_init_data[] = { - { /* AM (for carrier detect / msp3400) */ - {75, 19, 36, 35, 39, 40}, - {75, 19, 36, 35, 39, 40}, - MSP_CARRIER(5.5), MSP_CARRIER(5.5), - 0x00d0, 0x0500, 0x0020, 0x3000 - }, { /* 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 */ - {-8, -8, 4, 6, 78, 107}, - {-8, -8, 4, 6, 78, 107}, - MSP_CARRIER(10.7), MSP_CARRIER(10.7), - 0x00d0, 0x0480, 0x0020, 0x3000 - }, { /* Terrestrial 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 */ - { 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) */ - {-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) */ - {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) */ - {-2, -8, -10, 10, 50, 86}, - {-4, -12, -9, 23, 79, 126}, - MSP_CARRIER(6.5), MSP_CARRIER(6.5), - 0x00c6, 0x0140, 0x0120, 0x7c00 - }, -}; - -struct msp3400c_carrier_detect { - int cdo; - char *name; -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_main[] = { - /* main carrier */ - { MSP_CARRIER(4.5), "4.5 NTSC" }, - { MSP_CARRIER(5.5), "5.5 PAL B/G" }, - { MSP_CARRIER(6.0), "6.0 PAL I" }, - { MSP_CARRIER(6.5), "6.5 PAL D/K + SAT + SECAM" } -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_55[] = { - /* PAL B/G */ - { MSP_CARRIER(5.7421875), "5.742 PAL B/G FM-stereo" }, - { MSP_CARRIER(5.85), "5.85 PAL B/G NICAM" } -}; - -static struct msp3400c_carrier_detect msp3400c_carrier_detect_65[] = { - /* PAL SAT / SECAM */ - { MSP_CARRIER(5.85), "5.85 PAL D/K + SECAM NICAM" }, - { MSP_CARRIER(6.2578125), "6.25 PAL D/K1 FM-stereo" }, - { MSP_CARRIER(6.7421875), "6.74 PAL D/K2 FM-stereo" }, - { MSP_CARRIER(7.02), "7.02 PAL SAT FM-stereo s/b" }, - { MSP_CARRIER(7.20), "7.20 PAL SAT FM-stereo s" }, - { MSP_CARRIER(7.38), "7.38 PAL SAT FM-stereo b" }, -}; - -/* ------------------------------------------------------------------------ */ - -const char *msp_standard_std_name(int std) -{ - int i; - - for (i = 0; msp_stdlist[i].name != NULL; i++) - if (msp_stdlist[i].retval == std) - return msp_stdlist[i].name; - return "unknown"; -} - -static v4l2_std_id msp_standard_std(int std) -{ - int i; - - for (i = 0; msp_stdlist[i].name != NULL; i++) - if (msp_stdlist[i].retval == std) - return msp_stdlist[i].std; - return V4L2_STD_ALL; -} - -static void msp_set_source(struct i2c_client *client, u16 src) -{ - struct msp_state *state = to_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_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 */ -} - -void msp3400c_set_mode(struct i2c_client *client, int mode) -{ - 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 | (tuner ? 0x100 : 0)); - - for (i = 5; i >= 0; i--) /* fir 1 */ - 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, data->fir2[i]); - - msp_write_dem(client, 0x0083, data->mode_reg); - - msp3400c_set_carrier(client, data->cdo1, data->cdo2); - - msp_set_source(client, data->dsp_src); - /* set prescales */ - - /* 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", "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 - * it's never called - */ - v4l_dbg(1, msp_debug, client, - "set_audmode called with mode=%d instead of set_source (ignored)\n", - state->audmode); - 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 (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 (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: - msp3400c_set_carrier(client, MSP_CARRIER(7.38), MSP_CARRIER(7.02)); - break; - case V4L2_TUNER_MODE_LANG2: - 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 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); - break; - case MSP_MODE_EXTERN: - 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); - break; - default: - v4l_dbg(1, msp_debug, client, "mono set_audmode\n"); - return; - } - - /* switch audio */ - 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: - if (state->mode == MSP_MODE_AM_NICAM) { - v4l_dbg(1, msp_debug, client, "switching to AM mono\n"); - /* AM mono decoding is handled by tuner, not MSP chip */ - /* SCART switching control register */ - msp_set_scart(client, SCART_MONO, 0); - src = 0x0200; - break; - } - if (state->rxsubchans & V4L2_TUNER_SUB_STEREO) - src = 0x0030; - break; - case V4L2_TUNER_MODE_LANG1: - break; - case V4L2_TUNER_MODE_LANG2: - src |= 0x0010; - break; - } - 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 = 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->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); - 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); - 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); - } -} - -/* ----------------------------------------------------------------------- */ - -static int msp3400c_detect_stereo(struct i2c_client *client) -{ - struct msp_state *state = to_state(i2c_get_clientdata(client)); - int val; - int rxsubchans = state->rxsubchans; - int newnicam = state->nicam_on; - int update = 0; - - switch (state->mode) { - case MSP_MODE_FM_TERRA: - 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 > 8192) { - rxsubchans = V4L2_TUNER_SUB_STEREO; - } else if (val < -4096) { - rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; - } else { - rxsubchans = V4L2_TUNER_SUB_MONO; - } - newnicam = 0; - break; - case MSP_MODE_FM_NICAM1: - case MSP_MODE_FM_NICAM2: - case MSP_MODE_AM_NICAM: - val = msp_read_dem(client, 0x23); - v4l_dbg(2, msp_debug, client, "nicam sync=%d, mode=%d\n", - val & 1, (val & 0x1e) >> 1); - - if (val & 1) { - /* nicam synced */ - switch ((val & 0x1e) >> 1) { - case 0: - case 8: - rxsubchans = V4L2_TUNER_SUB_STEREO; - break; - case 1: - case 9: - rxsubchans = V4L2_TUNER_SUB_MONO; - break; - case 2: - case 10: - rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; - break; - default: - rxsubchans = V4L2_TUNER_SUB_MONO; - break; - } - newnicam = 1; - } else { - newnicam = 0; - rxsubchans = V4L2_TUNER_SUB_MONO; - } - break; - } - if (rxsubchans != state->rxsubchans) { - update = 1; - 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; - } - return update; -} - -/* - * A kernel thread for msp3400 control -- we don't want to block the - * in the ioctl while doing the sound carrier & stereo detect - */ -/* stereo/multilang monitoring */ -static void watch_stereo(struct i2c_client *client) -{ - struct msp_state *state = to_state(i2c_get_clientdata(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 = to_state(i2c_get_clientdata(client)); - struct msp3400c_carrier_detect *cd; - int count, max1, max2, val1, val2, val, i; - - v4l_dbg(1, msp_debug, client, "msp3400 daemon started\n"); - state->detected_std = V4L2_STD_ALL; - 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: - v4l_dbg(2, msp_debug, client, "thread: restart scan\n"); - state->restart = 0; - if (kthread_should_stop()) - break; - - 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_update_volume(state); - continue; - } - - /* mute audio */ - state->scan_in_progress = 1; - msp_update_volume(state); - - msp3400c_set_mode(client, MSP_MODE_AM_DETECT); - val1 = val2 = 0; - max1 = max2 = -1; - 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; - - /* carrier detect pass #1 -- main carrier */ - cd = msp3400c_carrier_detect_main; - count = ARRAY_SIZE(msp3400c_carrier_detect_main); - - if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { - /* autodetect doesn't work well with AM ... */ - max1 = 3; - count = 0; - v4l_dbg(1, msp_debug, client, "AM sound override\n"); - } - - 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 = i; - v4l_dbg(1, msp_debug, client, - "carrier1 val: %5d / %s\n", val, cd[i].name); - } - - /* carrier detect pass #2 -- second (stereo) carrier */ - switch (max1) { - case 1: /* 5.5 */ - cd = msp3400c_carrier_detect_55; - count = ARRAY_SIZE(msp3400c_carrier_detect_55); - break; - case 3: /* 6.5 */ - cd = msp3400c_carrier_detect_65; - count = ARRAY_SIZE(msp3400c_carrier_detect_65); - break; - case 0: /* 4.5 */ - case 2: /* 6.0 */ - default: - cd = NULL; - count = 0; - break; - } - - if (msp_amsound && (state->v4l2_std & V4L2_STD_SECAM)) { - /* autodetect doesn't work well with AM ... */ - cd = NULL; - count = 0; - max2 = 0; - } - 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 = i; - v4l_dbg(1, msp_debug, client, - "carrier2 val: %5d / %s\n", val, cd[i].name); - } - - /* program the msp3400 according to the results */ - state->main = msp3400c_carrier_detect_main[max1].cdo; - switch (max1) { - case 1: /* 5.5 */ - state->detected_std = V4L2_STD_BG | V4L2_STD_PAL_H; - if (max2 == 0) { - /* B/G FM-stereo */ - state->second = msp3400c_carrier_detect_55[max2].cdo; - 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_set_mode(client, MSP_MODE_FM_NICAM1); - state->nicam_on = 1; - state->watch_stereo = 1; - } else { - goto no_second; - } - break; - case 2: /* 6.0 */ - /* PAL I NICAM */ - state->detected_std = V4L2_STD_PAL_I; - state->second = MSP_CARRIER(6.552); - msp3400c_set_mode(client, MSP_MODE_FM_NICAM2); - state->nicam_on = 1; - 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_set_mode(client, MSP_MODE_FM_TERRA); - state->watch_stereo = 1; - state->detected_std = V4L2_STD_DK; - } else if (max2 == 0 && (state->v4l2_std & V4L2_STD_SECAM)) { - /* L NICAM or AM-mono */ - state->second = msp3400c_carrier_detect_65[max2].cdo; - msp3400c_set_mode(client, MSP_MODE_AM_NICAM); - state->watch_stereo = 1; - state->detected_std = V4L2_STD_L; - } 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); - state->nicam_on = 1; - state->watch_stereo = 1; - state->detected_std = V4L2_STD_DK; - } else { - goto no_second; - } - break; - case 0: /* 4.5 */ - state->detected_std = V4L2_STD_MN; - default: -no_second: - state->second = msp3400c_carrier_detect_main[max1].cdo; - msp3400c_set_mode(client, MSP_MODE_FM_TERRA); - break; - } - msp3400c_set_carrier(client, state->second, state->main); - - /* unmute */ - state->scan_in_progress = 0; - msp3400c_set_audmode(client); - msp_update_volume(state); - - 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 */ - count = 3; - while (state->watch_stereo) { - if (msp_sleep(state, count ? 1000 : 5000)) - goto restart; - if (count) - count--; - watch_stereo(client); - } - } - v4l_dbg(1, msp_debug, client, "thread: exit\n"); - return 0; -} - - -int msp3410d_thread(void *data) -{ - struct i2c_client *client = data; - 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"); - state->detected_std = V4L2_STD_ALL; - set_freezable(); - for (;;) { - v4l_dbg(2, msp_debug, client, "msp3410 thread: sleep\n"); - msp_sleep(state, -1); - v4l_dbg(2, msp_debug, client, "msp3410 thread: wakeup\n"); - -restart: - v4l_dbg(2, 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_update_volume(state); - continue; - } - - /* mute audio */ - state->scan_in_progress = 1; - msp_update_volume(state); - - /* 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; - - /* 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); - - if (std != 1) { - /* programmed some specific mode */ - val = std; - } else { - /* triggered autodetect */ - msp_write_dem(client, 0x20, std); - for (;;) { - if (msp_sleep(state, 100)) - goto restart; - - /* check results */ - val = msp_read_dem(client, 0x7e); - if (val < 0x07ff) - break; - v4l_dbg(2, msp_debug, client, - "detection still in progress\n"); - } - } - for (i = 0; msp_stdlist[i].name != NULL; i++) - if (msp_stdlist[i].retval == val) - break; - v4l_dbg(1, msp_debug, client, "current standard: %s (0x%04x)\n", - msp_standard_std_name(val), val); - 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)) { - /* 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); - state->std = val = 0x0009; - msp_write_dem(client, 0x20, val); - } else { - state->detected_std = msp_standard_std(state->std); - } - - /* set stereo */ - switch (val) { - case 0x0008: /* B/G NICAM */ - case 0x000a: /* I NICAM */ - 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->nicam_on = 1; - state->watch_stereo = 1; - break; - case 0x0009: - state->mode = MSP_MODE_AM_NICAM; - 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; - break; - case 0x0040: /* FM radio */ - state->mode = MSP_MODE_FM_RADIO; - state->rxsubchans = V4L2_TUNER_SUB_STEREO; - /* not needed in theory if we have radio, but - short programming enables carrier mute */ - msp3400c_set_mode(client, MSP_MODE_FM_RADIO); - msp3400c_set_carrier(client, MSP_CARRIER(10.7), - MSP_CARRIER(10.7)); - break; - case 0x0002: - case 0x0003: - case 0x0004: - case 0x0005: - state->mode = MSP_MODE_FM_TERRA; - 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 */ - msp3400c_set_audmode(client); - state->scan_in_progress = 0; - msp_update_volume(state); - - /* monitor tv audio mode, the first time don't wait - so long to get a quick stereo/bilingual result */ - count = 3; - while (state->watch_stereo) { - if (msp_sleep(state, count ? 1000 : 5000)) - goto restart; - if (count) - count--; - watch_stereo(client); - } - } - v4l_dbg(1, msp_debug, client, "thread: exit\n"); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -/* 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 int msp34xxg_modus(struct i2c_client *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_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_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; - } - 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; - } - - 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); -} - -static void msp34xxg_set_sources(struct i2c_client *client) -{ - 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; - - /* initialize std to 1 (autodetect) to signal that no standard is - selected yet. */ - state->std = 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); - 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_sources(client); - - 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 */ - - /* 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 = to_state(i2c_get_clientdata(client)); - int val, i; - - v4l_dbg(1, msp_debug, client, "msp34xxg daemon started\n"); - state->detected_std = V4L2_STD_ALL; - 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: - 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_update_volume(state); - continue; - } - - /* setup the chip*/ - msp34xxg_reset(client); - 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, - "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) { - state->std = val; - break; - } - v4l_dbg(2, msp_debug, client, - "detection still in progress\n"); - } - if (state->std == 1) { - v4l_dbg(1, msp_debug, client, - "detection still in progress after 10 tries. giving up.\n"); - continue; - } - -unmute: - v4l_dbg(1, msp_debug, client, - "detected standard: %s (0x%04x)\n", - msp_standard_std_name(state->std), state->std); - state->detected_std = msp_standard_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_update_volume(state); - - /* restore ACB */ - if (msp_write_dsp(client, 0x13, state->acb)) - return -1; - - /* 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 int msp34xxg_detect_stereo(struct i2c_client *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) - state->rxsubchans = V4L2_TUNER_SUB_STEREO; - else - state->rxsubchans = V4L2_TUNER_SUB_MONO; - if (is_bilingual) { - 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 = 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_sources(client); -} - -void msp_set_audmode(struct i2c_client *client) -{ - struct msp_state *state = to_state(i2c_get_clientdata(client)); - - switch (state->opmode) { - case OPMODE_MANUAL: - case OPMODE_AUTODETECT: - msp3400c_set_audmode(client); - break; - case OPMODE_AUTOSELECT: - msp34xxg_set_audmode(client); - break; - } -} - -int msp_detect_stereo(struct i2c_client *client) -{ - struct msp_state *state = to_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; -} - |