2 * $Id: saa7134-tvaudio.c,v 1.17 2004/11/07 13:17:15 kraxel Exp $
4 * device driver for philips saa7134 based TV cards
5 * tv audio decoder (fm stereo, nicam, ...)
7 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29 #include <linux/delay.h>
30 #include <linux/smp_lock.h>
31 #include <asm/div64.h>
33 #include "saa7134-reg.h"
36 /* ------------------------------------------------------------------ */
38 static unsigned int audio_debug = 0;
39 module_param(audio_debug, int, 0644);
40 MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]");
42 static unsigned int audio_ddep = 0;
43 module_param(audio_ddep, int, 0644);
44 MODULE_PARM_DESC(audio_ddep,"audio ddep overwrite");
46 static int audio_clock_override = UNSET;
47 module_param(audio_clock_override, int, 0644);
49 static int audio_clock_tweak = 0;
50 module_param(audio_clock_tweak, int, 0644);
51 MODULE_PARM_DESC(audio_clock_tweak, "Audio clock tick fine tuning for cards with audio crystal that's slightly off (range [-1024 .. 1024])");
53 #define dprintk(fmt, arg...) if (audio_debug) \
54 printk(KERN_DEBUG "%s/audio: " fmt, dev->name , ## arg)
55 #define d2printk(fmt, arg...) if (audio_debug > 1) \
56 printk(KERN_DEBUG "%s/audio: " fmt, dev->name, ## arg)
58 #define print_regb(reg) printk("%s: reg 0x%03x [%-16s]: 0x%02x\n", \
59 dev->name,(SAA7134_##reg),(#reg),saa_readb((SAA7134_##reg)))
62 #define SCAN_INITIAL_DELAY 1000
63 #define SCAN_SAMPLE_DELAY 200
64 #define SCAN_SUBCARRIER_DELAY 2000
66 /* ------------------------------------------------------------------ */
69 static struct mainscan {
76 .std = V4L2_STD_NTSC | V4L2_STD_PAL_M,
80 .std = V4L2_STD_PAL_BG,
84 .std = V4L2_STD_PAL_I,
88 .std = V4L2_STD_PAL_DK | V4L2_STD_SECAM,
93 static struct saa7134_tvaudio tvaudio[] = {
95 .name = "PAL-B/G FM-stereo",
97 .mode = TVAUDIO_FM_BG_STEREO,
101 .name = "PAL-D/K1 FM-stereo",
105 .mode = TVAUDIO_FM_BG_STEREO,
107 .name = "PAL-D/K2 FM-stereo",
111 .mode = TVAUDIO_FM_BG_STEREO,
113 .name = "PAL-D/K3 FM-stereo",
117 .mode = TVAUDIO_FM_BG_STEREO,
119 .name = "PAL-B/G NICAM",
123 .mode = TVAUDIO_NICAM_FM,
125 .name = "PAL-I NICAM",
129 .mode = TVAUDIO_NICAM_FM,
131 .name = "PAL-D/K NICAM",
135 .mode = TVAUDIO_NICAM_FM,
137 .name = "SECAM-L NICAM",
138 .std = V4L2_STD_SECAM,
141 .mode = TVAUDIO_NICAM_AM,
144 .std = V4L2_STD_SECAM,
147 .mode = TVAUDIO_FM_MONO,
150 .std = V4L2_STD_NTSC,
153 .mode = TVAUDIO_FM_MONO,
155 .name = "NTSC-A2 FM-stereo",
156 .std = V4L2_STD_NTSC,
159 .mode = TVAUDIO_FM_K_STEREO,
162 #define TVAUDIO (sizeof(tvaudio)/sizeof(struct saa7134_tvaudio))
164 /* ------------------------------------------------------------------ */
166 static void tvaudio_init(struct saa7134_dev *dev)
168 int clock = saa7134_boards[dev->board].audio_clock;
170 if (UNSET != audio_clock_override)
171 clock = audio_clock_override;
173 /* init all audio registers */
174 saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00);
180 saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff);
181 saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff);
182 saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff);
183 saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01);
185 saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14);
186 saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50);
187 saa_writeb(SAA7134_MONITOR_SELECT, 0xa0);
188 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
191 static u32 tvaudio_carr2reg(u32 carrier)
200 static void tvaudio_setcarrier(struct saa7134_dev *dev,
201 int primary, int secondary)
205 saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary));
206 saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary));
209 static void mute_input_7134(struct saa7134_dev *dev)
212 struct saa7134_input *in;
213 int ausel=0, ics=0, ocs=0;
216 /* look what is to do ... */
218 mute = (dev->ctl_mute ||
219 (dev->automute && (&card(dev).radio) != in));
220 if (PCI_DEVICE_ID_PHILIPS_SAA7130 == dev->pci->device &&
221 card(dev).mute.name) {
222 /* 7130 - we'll mute using some unconnected audio input */
224 in = &card(dev).mute;
226 if (dev->hw_mute == mute &&
227 dev->hw_input == in) {
228 dprintk("mute/input: nothing to do [mute=%d,input=%s]\n",
233 dprintk("ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n",
234 dev->ctl_mute,dev->automute,dev->input->name,mute,in->name);
238 if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device)
240 saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ? 0xff : 0xbb);
242 /* switch internal audio mux */
244 case TV: ausel=0xc0; ics=0x00; ocs=0x02; break;
245 case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break;
246 case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break;
248 saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel);
249 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics);
250 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs);
252 /* switch gpio-connected external audio mux */
253 if (0 == card(dev).gpiomask)
255 mask = card(dev).gpiomask;
256 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask);
257 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio);
258 saa7134_track_gpio(dev,in->name);
261 static void tvaudio_setmode(struct saa7134_dev *dev,
262 struct saa7134_tvaudio *audio,
267 if (dev->tvnorm->id == V4L2_STD_NTSC) {
272 if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024)
273 tweak = audio_clock_tweak;
276 dprintk("tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n",
278 audio->carr1 / 1000, audio->carr1 % 1000,
279 audio->carr2 / 1000, audio->carr2 % 1000,
283 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0);
284 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8);
285 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16);
286 tvaudio_setcarrier(dev,audio->carr1,audio->carr2);
288 switch (audio->mode) {
289 case TVAUDIO_FM_MONO:
290 case TVAUDIO_FM_BG_STEREO:
291 saa_writeb(SAA7134_DEMODULATOR, 0x00);
292 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
293 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22);
294 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
295 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
297 case TVAUDIO_FM_K_STEREO:
298 saa_writeb(SAA7134_DEMODULATOR, 0x00);
299 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01);
300 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22);
301 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
302 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
304 case TVAUDIO_NICAM_FM:
305 saa_writeb(SAA7134_DEMODULATOR, 0x10);
306 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
307 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
308 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
309 saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
311 case TVAUDIO_NICAM_AM:
312 saa_writeb(SAA7134_DEMODULATOR, 0x12);
313 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
314 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
315 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
316 saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
318 case TVAUDIO_FM_SAT_STEREO:
319 /* not implemented (yet) */
324 static int tvaudio_sleep(struct saa7134_dev *dev, int timeout)
326 DECLARE_WAITQUEUE(wait, current);
328 add_wait_queue(&dev->thread.wq, &wait);
329 if (dev->thread.scan1 == dev->thread.scan2 && !dev->thread.shutdown) {
331 set_current_state(TASK_INTERRUPTIBLE);
335 /* hmm, that one doesn't return on wakeup ... */
336 msleep_interruptible(timeout);
338 set_current_state(TASK_INTERRUPTIBLE);
339 schedule_timeout(msecs_to_jiffies(timeout));
343 remove_wait_queue(&dev->thread.wq, &wait);
344 return dev->thread.scan1 != dev->thread.scan2;
347 static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan)
349 __s32 left,right,value;
351 if (audio_debug > 1) {
353 dprintk("debug %d:",scan->carr);
354 for (i = -150; i <= 150; i += 30) {
355 tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i);
356 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
357 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
359 value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
361 printk(" # %6d # ",value >> 16);
363 printk(" %6d",value >> 16);
368 if (dev->tvnorm->id & scan->std) {
369 tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90);
370 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
371 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
373 left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
375 tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90);
376 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
377 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
379 right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
383 value = left > right ? left - right : right - left;
384 dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n",
385 scan->carr / 1000, scan->carr % 1000,
386 scan->name, value, left, right);
389 dprintk("skipping %d.%03d MHz [%4s]\n",
390 scan->carr / 1000, scan->carr % 1000, scan->name);
396 static void sifdebug_dump_regs(struct saa7134_dev *dev)
398 print_regb(AUDIO_STATUS);
399 print_regb(IDENT_SIF);
400 print_regb(LEVEL_READOUT1);
401 print_regb(LEVEL_READOUT2);
402 print_regb(DCXO_IDENT_CTRL);
403 print_regb(DEMODULATOR);
404 print_regb(AGC_GAIN_SELECT);
405 print_regb(MONITOR_SELECT);
406 print_regb(FM_DEEMPHASIS);
407 print_regb(FM_DEMATRIX);
408 print_regb(SIF_SAMPLE_FREQ);
409 print_regb(ANALOG_IO_SELECT);
413 static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio)
418 switch (audio->mode) {
419 case TVAUDIO_FM_MONO:
420 return V4L2_TUNER_SUB_MONO;
421 case TVAUDIO_FM_K_STEREO:
422 case TVAUDIO_FM_BG_STEREO:
423 idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5;
424 dprintk("getstereo: fm/stereo: idp=0x%x\n",idp);
425 if (0x03 == (idp & 0x03))
426 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
427 else if (0x05 == (idp & 0x05))
428 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
429 else if (0x01 == (idp & 0x01))
430 retval = V4L2_TUNER_SUB_MONO;
432 case TVAUDIO_FM_SAT_STEREO:
433 /* not implemented (yet) */
435 case TVAUDIO_NICAM_FM:
436 case TVAUDIO_NICAM_AM:
437 nicam = saa_readb(SAA7134_NICAM_STATUS);
438 dprintk("getstereo: nicam=0x%x\n",nicam);
439 switch (nicam & 0x0b) {
441 retval = V4L2_TUNER_SUB_MONO;
444 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
447 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
453 dprintk("found audio subchannels:%s%s%s%s\n",
454 (retval & V4L2_TUNER_SUB_MONO) ? " mono" : "",
455 (retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "",
456 (retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "",
457 (retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : "");
461 static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio,
464 static char *name[] = {
465 [ V4L2_TUNER_MODE_MONO ] = "mono",
466 [ V4L2_TUNER_MODE_STEREO ] = "stereo",
467 [ V4L2_TUNER_MODE_LANG1 ] = "lang1",
468 [ V4L2_TUNER_MODE_LANG2 ] = "lang2",
471 [ V4L2_TUNER_MODE_MONO ] = 0x00, /* ch1 */
472 [ V4L2_TUNER_MODE_STEREO ] = 0x80, /* auto */
473 [ V4L2_TUNER_MODE_LANG1 ] = 0x00, /* ch1 */
474 [ V4L2_TUNER_MODE_LANG2 ] = 0x01, /* ch2 */
478 switch (audio->mode) {
479 case TVAUDIO_FM_MONO:
480 /* nothing to do ... */
482 case TVAUDIO_FM_K_STEREO:
483 case TVAUDIO_FM_BG_STEREO:
484 dprintk("setstereo [fm] => %s\n",
485 name[ mode % ARRAY_SIZE(name) ]);
486 reg = fm[ mode % ARRAY_SIZE(fm) ];
487 saa_writeb(SAA7134_FM_DEMATRIX, reg);
489 case TVAUDIO_FM_SAT_STEREO:
490 case TVAUDIO_NICAM_AM:
491 case TVAUDIO_NICAM_FM:
498 static int tvaudio_thread(void *data)
500 struct saa7134_dev *dev = data;
501 int carr_vals[ARRAY_SIZE(mainscan)];
502 unsigned int i, audio, nscan;
503 int max1,max2,carrier,rx,mode,lastmode,default_carrier;
505 daemonize("%s", dev->name);
506 allow_signal(SIGTERM);
508 tvaudio_sleep(dev,-1);
509 if (dev->thread.shutdown || signal_pending(current))
513 dev->thread.scan1 = dev->thread.scan2;
514 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
517 if (dev->ctl_automute)
519 mute_input_7134(dev);
521 /* give the tuner some time */
522 if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY))
530 for (i = 0; i < ARRAY_SIZE(mainscan); i++) {
531 if (!(dev->tvnorm->id & mainscan[i].std))
533 if (!default_carrier)
534 default_carrier = mainscan[i].carr;
539 /* only one candidate -- skip scan ;) */
541 carrier = default_carrier;
543 /* scan for the main carrier */
544 saa_writeb(SAA7134_MONITOR_SELECT,0x00);
545 tvaudio_setmode(dev,&tvaudio[0],NULL);
546 for (i = 0; i < ARRAY_SIZE(mainscan); i++) {
547 carr_vals[i] = tvaudio_checkcarrier(dev, mainscan+i);
548 if (dev->thread.scan1 != dev->thread.scan2)
551 for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) {
552 if (max1 < carr_vals[i]) {
555 carrier = mainscan[i].carr;
556 } else if (max2 < carr_vals[i]) {
562 if (0 != carrier && max1 > 2000 && max1 > max2*3) {
563 /* found good carrier */
564 dprintk("found %s main sound carrier @ %d.%03d MHz [%d/%d]\n",
565 dev->tvnorm->name, carrier/1000, carrier%1000,
567 dev->last_carrier = carrier;
569 } else if (0 != dev->last_carrier) {
570 /* no carrier -- try last detected one as fallback */
571 carrier = dev->last_carrier;
572 printk(KERN_WARNING "%s/audio: audio carrier scan failed, "
573 "using %d.%03d MHz [last detected]\n",
574 dev->name, carrier/1000, carrier%1000);
577 /* no carrier + no fallback -- use default */
578 carrier = default_carrier;
579 printk(KERN_WARNING "%s/audio: audio carrier scan failed, "
580 "using %d.%03d MHz [default]\n",
581 dev->name, carrier/1000, carrier%1000);
583 tvaudio_setcarrier(dev,carrier,carrier);
585 saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00);
586 saa7134_tvaudio_setmute(dev);
588 /* find the exact tv audio norm */
589 for (audio = UNSET, i = 0; i < TVAUDIO; i++) {
590 if (dev->tvnorm->id != UNSET &&
591 !(dev->tvnorm->id & tvaudio[i].std))
593 if (tvaudio[i].carr1 != carrier)
598 tvaudio_setmode(dev,&tvaudio[i],"trying");
599 if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY))
601 if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) {
606 saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30);
609 tvaudio_setmode(dev,&tvaudio[audio],"using");
610 tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO);
611 dev->tvaudio = &tvaudio[audio];
615 if (tvaudio_sleep(dev,5000))
617 if (dev->thread.shutdown || signal_pending(current))
619 if (UNSET == dev->thread.mode) {
620 rx = tvaudio_getstereo(dev,&tvaudio[i]);
621 mode = saa7134_tvaudio_rx2mode(rx);
623 mode = dev->thread.mode;
625 if (lastmode != mode) {
626 tvaudio_setstereo(dev,&tvaudio[audio],mode);
633 complete_and_exit(&dev->thread.exit, 0);
637 /* ------------------------------------------------------------------ */
638 /* saa7133 / saa7135 code */
640 static char *stdres[0x20] = {
641 [0x00] = "no standard detected",
642 [0x01] = "B/G (in progress)",
643 [0x02] = "D/K (in progress)",
644 [0x03] = "M (in progress)",
647 [0x05] = "B/G NICAM",
648 [0x06] = "D/K A2 (1)",
649 [0x07] = "D/K A2 (2)",
650 [0x08] = "D/K A2 (3)",
651 [0x09] = "D/K NICAM",
659 [0x0f] = "FM radio / IF 10.7 / 50 deemp",
660 [0x10] = "FM radio / IF 10.7 / 75 deemp",
661 [0x11] = "FM radio / IF sel / 50 deemp",
662 [0x12] = "FM radio / IF sel / 75 deemp",
664 [0x13 ... 0x1e ] = "unknown",
665 [0x1f] = "??? [in progress]",
671 static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit)
673 int state, count = DSP_RETRY;
675 state = saa_readb(SAA7135_DSP_RWSTATE);
676 if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) {
677 printk("%s: dsp access error\n",dev->name);
678 /* FIXME: send ack ... */
681 while (0 == (state & bit)) {
682 if (unlikely(0 == count)) {
683 printk("%s: dsp access wait timeout [bit=%s]\n",
685 (bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" :
686 (bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" :
687 (bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" :
692 state = saa_readb(SAA7135_DSP_RWSTATE);
699 static int saa_dsp_readl(struct saa7134_dev *dev, int reg, u32 *value)
703 d2printk("dsp read reg 0x%x\n", reg<<2);
705 err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_RDB);
708 *value = saa_readl(reg);
709 d2printk("dsp read => 0x%06x\n", *value & 0xffffff);
710 err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_IDA);
717 int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value)
721 d2printk("dsp write reg 0x%x = 0x%06x\n",reg<<2,value);
722 err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
725 saa_writel(reg,value);
726 err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
732 static int getstereo_7133(struct saa7134_dev *dev)
734 int retval = V4L2_TUNER_SUB_MONO;
737 value = saa_readl(0x528 >> 2);
739 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
741 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
745 static int mute_input_7133(struct saa7134_dev *dev)
750 switch (dev->input->amux) {
751 case TV: reg = 0x02; break;
752 case LINE1: reg = 0x00; break;
753 case LINE2: reg = 0x01; break;
757 saa_writel(0x594 >> 2, reg);
759 /* switch gpio-connected external audio mux */
760 if (0 != card(dev).gpiomask) {
761 mask = card(dev).gpiomask;
762 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask);
763 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, dev->input->gpio);
764 saa7134_track_gpio(dev,dev->input->name);
769 static int tvaudio_thread_ddep(void *data)
771 struct saa7134_dev *dev = data;
772 u32 value, norms, clock;
774 daemonize("%s", dev->name);
775 allow_signal(SIGTERM);
777 clock = saa7134_boards[dev->board].audio_clock;
778 if (UNSET != audio_clock_override)
779 clock = audio_clock_override;
780 saa_writel(0x598 >> 2, clock);
783 saa_dsp_writel(dev, 0x474 >> 2, 0x00);
784 saa_dsp_writel(dev, 0x450 >> 2, 0x00);
787 tvaudio_sleep(dev,-1);
788 if (dev->thread.shutdown || signal_pending(current))
792 dev->thread.scan1 = dev->thread.scan2;
793 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
795 if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) {
796 /* insmod option override */
797 norms = (audio_ddep << 2) | 0x01;
798 dprintk("ddep override: %s\n",stdres[audio_ddep]);
799 } else if (&card(dev).radio == dev->input) {
800 dprintk("FM Radio\n");
801 norms = (0x0f << 2) | 0x01;
803 /* (let chip) scan for sound carrier */
805 if (dev->tvnorm->id & V4L2_STD_PAL) {
806 dprintk("PAL scan\n");
807 norms |= 0x2c; /* B/G + D/K + I */
809 if (dev->tvnorm->id & V4L2_STD_NTSC) {
810 dprintk("NTSC scan\n");
811 norms |= 0x40; /* M */
813 if (dev->tvnorm->id & V4L2_STD_SECAM) {
814 dprintk("SECAM scan\n");
815 norms |= 0x18; /* L + D/K */
818 norms = 0x7c; /* all */
819 dprintk("scanning:%s%s%s%s%s\n",
820 (norms & 0x04) ? " B/G" : "",
821 (norms & 0x08) ? " D/K" : "",
822 (norms & 0x10) ? " L/L'" : "",
823 (norms & 0x20) ? " I" : "",
824 (norms & 0x40) ? " M" : "");
827 /* kick automatic standard detection */
828 saa_dsp_writel(dev, 0x454 >> 2, 0);
829 saa_dsp_writel(dev, 0x454 >> 2, norms | 0x80);
831 /* setup crossbars */
832 saa_dsp_writel(dev, 0x464 >> 2, 0x000000);
833 saa_dsp_writel(dev, 0x470 >> 2, 0x101010);
835 if (tvaudio_sleep(dev,3000))
837 value = saa_readl(0x528 >> 2) & 0xffffff;
839 dprintk("tvaudio thread status: 0x%x [%s%s%s]\n",
840 value, stdres[value & 0x1f],
841 (value & 0x000020) ? ",stereo" : "",
842 (value & 0x000040) ? ",dual" : "");
843 dprintk("detailed status: "
844 "%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n",
845 (value & 0x000080) ? " A2/EIAJ pilot tone " : "",
846 (value & 0x000100) ? " A2/EIAJ dual " : "",
847 (value & 0x000200) ? " A2/EIAJ stereo " : "",
848 (value & 0x000400) ? " A2/EIAJ noise mute " : "",
850 (value & 0x000800) ? " BTSC/FM radio pilot " : "",
851 (value & 0x001000) ? " SAP carrier " : "",
852 (value & 0x002000) ? " BTSC stereo noise mute " : "",
853 (value & 0x004000) ? " SAP noise mute " : "",
854 (value & 0x008000) ? " VDSP " : "",
856 (value & 0x010000) ? " NICST " : "",
857 (value & 0x020000) ? " NICDU " : "",
858 (value & 0x040000) ? " NICAM muted " : "",
859 (value & 0x080000) ? " NICAM reserve sound " : "",
861 (value & 0x100000) ? " init done " : "");
865 complete_and_exit(&dev->thread.exit, 0);
869 /* ------------------------------------------------------------------ */
870 /* common stuff + external entry points */
872 int saa7134_tvaudio_rx2mode(u32 rx)
876 mode = V4L2_TUNER_MODE_MONO;
877 if (rx & V4L2_TUNER_SUB_STEREO)
878 mode = V4L2_TUNER_MODE_STEREO;
879 else if (rx & V4L2_TUNER_SUB_LANG1)
880 mode = V4L2_TUNER_MODE_LANG1;
881 else if (rx & V4L2_TUNER_SUB_LANG2)
882 mode = V4L2_TUNER_MODE_LANG2;
886 void saa7134_tvaudio_setmute(struct saa7134_dev *dev)
888 switch (dev->pci->device) {
889 case PCI_DEVICE_ID_PHILIPS_SAA7130:
890 case PCI_DEVICE_ID_PHILIPS_SAA7134:
891 mute_input_7134(dev);
893 case PCI_DEVICE_ID_PHILIPS_SAA7133:
894 case PCI_DEVICE_ID_PHILIPS_SAA7135:
895 mute_input_7133(dev);
900 void saa7134_tvaudio_setinput(struct saa7134_dev *dev,
901 struct saa7134_input *in)
904 switch (dev->pci->device) {
905 case PCI_DEVICE_ID_PHILIPS_SAA7130:
906 case PCI_DEVICE_ID_PHILIPS_SAA7134:
907 mute_input_7134(dev);
909 case PCI_DEVICE_ID_PHILIPS_SAA7133:
910 case PCI_DEVICE_ID_PHILIPS_SAA7135:
911 mute_input_7133(dev);
916 void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level)
918 switch (dev->pci->device) {
919 case PCI_DEVICE_ID_PHILIPS_SAA7134:
920 saa_writeb(SAA7134_CHANNEL1_LEVEL, level & 0x1f);
921 saa_writeb(SAA7134_CHANNEL2_LEVEL, level & 0x1f);
922 saa_writeb(SAA7134_NICAM_LEVEL_ADJUST, level & 0x1f);
927 int saa7134_tvaudio_getstereo(struct saa7134_dev *dev)
929 int retval = V4L2_TUNER_SUB_MONO;
931 switch (dev->pci->device) {
932 case PCI_DEVICE_ID_PHILIPS_SAA7134:
934 retval = tvaudio_getstereo(dev,dev->tvaudio);
936 case PCI_DEVICE_ID_PHILIPS_SAA7133:
937 case PCI_DEVICE_ID_PHILIPS_SAA7135:
938 retval = getstereo_7133(dev);
944 int saa7134_tvaudio_init2(struct saa7134_dev *dev)
946 DECLARE_MUTEX_LOCKED(sem);
947 int (*my_thread)(void *data) = NULL;
949 /* enable I2S audio output */
950 if (card_is_empress(dev)) {
951 int i2sform = (48000 == dev->oss.rate)
954 /* enable I2S output */
955 saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
956 saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2sform);
957 saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
958 saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
961 switch (dev->pci->device) {
962 case PCI_DEVICE_ID_PHILIPS_SAA7134:
963 my_thread = tvaudio_thread;
965 case PCI_DEVICE_ID_PHILIPS_SAA7133:
966 case PCI_DEVICE_ID_PHILIPS_SAA7135:
967 my_thread = tvaudio_thread_ddep;
971 dev->thread.pid = -1;
973 /* start tvaudio thread */
974 init_waitqueue_head(&dev->thread.wq);
975 init_completion(&dev->thread.exit);
976 dev->thread.pid = kernel_thread(my_thread,dev,0);
977 if (dev->thread.pid < 0)
978 printk(KERN_WARNING "%s: kernel_thread() failed\n",
980 wake_up_interruptible(&dev->thread.wq);
986 int saa7134_tvaudio_fini(struct saa7134_dev *dev)
988 /* shutdown tvaudio thread */
989 if (dev->thread.pid >= 0) {
990 dev->thread.shutdown = 1;
991 wake_up_interruptible(&dev->thread.wq);
992 wait_for_completion(&dev->thread.exit);
994 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */
998 int saa7134_tvaudio_do_scan(struct saa7134_dev *dev)
1000 if (dev->thread.pid >= 0) {
1001 dev->thread.mode = UNSET;
1002 dev->thread.scan2++;
1003 wake_up_interruptible(&dev->thread.wq);
1006 saa7134_tvaudio_setmute(dev);
1011 /* ----------------------------------------------------------- */