3 * device driver for philips saa7134 based TV cards
4 * tv audio decoder (fm stereo, nicam, ...)
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/kthread.h>
28 #include <linux/delay.h>
29 #include <linux/freezer.h>
30 #include <asm/div64.h>
32 #include "saa7134-reg.h"
35 /* ------------------------------------------------------------------ */
37 static unsigned int audio_debug;
38 module_param(audio_debug, int, 0644);
39 MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]");
41 static unsigned int audio_ddep;
42 module_param(audio_ddep, int, 0644);
43 MODULE_PARM_DESC(audio_ddep,"audio ddep overwrite");
45 static int audio_clock_override = UNSET;
46 module_param(audio_clock_override, int, 0644);
48 static int audio_clock_tweak;
49 module_param(audio_clock_tweak, int, 0644);
50 MODULE_PARM_DESC(audio_clock_tweak, "Audio clock tick fine tuning for cards with audio crystal that's slightly off (range [-1024 .. 1024])");
52 #define dprintk(fmt, arg...) if (audio_debug) \
53 printk(KERN_DEBUG "%s/audio: " fmt, dev->name , ## arg)
54 #define d2printk(fmt, arg...) if (audio_debug > 1) \
55 printk(KERN_DEBUG "%s/audio: " fmt, dev->name, ## arg)
57 #define print_regb(reg) printk("%s: reg 0x%03x [%-16s]: 0x%02x\n", \
58 dev->name,(SAA7134_##reg),(#reg),saa_readb((SAA7134_##reg)))
61 #define SCAN_INITIAL_DELAY 1000
62 #define SCAN_SAMPLE_DELAY 200
63 #define SCAN_SUBCARRIER_DELAY 2000
65 /* ------------------------------------------------------------------ */
68 static struct mainscan {
79 .std = V4L2_STD_B | V4L2_STD_GH,
83 .std = V4L2_STD_PAL_I,
87 .std = V4L2_STD_DK | V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC,
92 static struct saa7134_tvaudio tvaudio[] = {
94 .name = "PAL-B/G FM-stereo",
95 .std = V4L2_STD_PAL_BG,
96 .mode = TVAUDIO_FM_BG_STEREO,
100 .name = "PAL-D/K1 FM-stereo",
101 .std = V4L2_STD_PAL_DK,
104 .mode = TVAUDIO_FM_BG_STEREO,
106 .name = "PAL-D/K2 FM-stereo",
107 .std = V4L2_STD_PAL_DK,
110 .mode = TVAUDIO_FM_BG_STEREO,
112 .name = "PAL-D/K3 FM-stereo",
113 .std = V4L2_STD_PAL_DK,
116 .mode = TVAUDIO_FM_BG_STEREO,
118 .name = "PAL-B/G NICAM",
119 .std = V4L2_STD_PAL_BG,
122 .mode = TVAUDIO_NICAM_FM,
124 .name = "PAL-I NICAM",
125 .std = V4L2_STD_PAL_I,
128 .mode = TVAUDIO_NICAM_FM,
130 .name = "PAL-D/K NICAM",
131 .std = V4L2_STD_PAL_DK,
134 .mode = TVAUDIO_NICAM_FM,
136 .name = "SECAM-L NICAM",
137 .std = V4L2_STD_SECAM_L,
140 .mode = TVAUDIO_NICAM_AM,
142 .name = "SECAM-D/K NICAM",
143 .std = V4L2_STD_SECAM_DK,
146 .mode = TVAUDIO_NICAM_FM,
148 .name = "NTSC-A2 FM-stereo",
149 .std = V4L2_STD_NTSC,
152 .mode = TVAUDIO_FM_K_STEREO,
155 .std = V4L2_STD_NTSC,
158 .mode = TVAUDIO_FM_MONO,
161 #define TVAUDIO ARRAY_SIZE(tvaudio)
163 /* ------------------------------------------------------------------ */
165 static u32 tvaudio_carr2reg(u32 carrier)
174 static void tvaudio_setcarrier(struct saa7134_dev *dev,
175 int primary, int secondary)
179 saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary));
180 saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary));
183 #define SAA7134_MUTE_MASK 0xbb
184 #define SAA7134_MUTE_ANALOG 0x04
185 #define SAA7134_MUTE_I2S 0x40
187 static void mute_input_7134(struct saa7134_dev *dev)
190 struct saa7134_input *in;
191 int ausel=0, ics=0, ocs=0;
194 /* look what is to do ... */
196 mute = (dev->ctl_mute ||
197 (dev->automute && (&card(dev).radio) != in));
198 if (card(dev).mute.name) {
200 * 7130 - we'll mute using some unconnected audio input
201 * 7134 - we'll probably should switch external mux with gpio
204 in = &card(dev).mute;
207 if (dev->hw_mute == mute &&
208 dev->hw_input == in && !dev->insuspend) {
209 dprintk("mute/input: nothing to do [mute=%d,input=%s]\n",
214 dprintk("ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n",
215 dev->ctl_mute,dev->automute,dev->input->name,mute,in->name);
219 if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device)
221 saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ?
223 SAA7134_MUTE_ANALOG |
227 /* switch internal audio mux */
229 case TV: ausel=0xc0; ics=0x00; ocs=0x02; break;
230 case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break;
231 case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break;
232 case LINE2_LEFT: ausel=0x80; ics=0x08; ocs=0x05; break;
234 saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel);
235 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics);
236 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs);
237 // for oss, we need to change the clock configuration
239 saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00);
241 saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x01);
243 /* switch gpio-connected external audio mux */
244 if (0 == card(dev).gpiomask)
247 mask = card(dev).gpiomask;
248 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask);
249 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio);
250 saa7134_track_gpio(dev,in->name);
253 static void tvaudio_setmode(struct saa7134_dev *dev,
254 struct saa7134_tvaudio *audio,
259 if (dev->tvnorm->id == V4L2_STD_NTSC) {
264 if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024)
265 tweak = audio_clock_tweak;
268 dprintk("tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n",
270 audio->carr1 / 1000, audio->carr1 % 1000,
271 audio->carr2 / 1000, audio->carr2 % 1000,
275 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0);
276 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8);
277 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16);
278 tvaudio_setcarrier(dev,audio->carr1,audio->carr2);
280 switch (audio->mode) {
281 case TVAUDIO_FM_MONO:
282 case TVAUDIO_FM_BG_STEREO:
283 saa_writeb(SAA7134_DEMODULATOR, 0x00);
284 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
285 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22);
286 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
287 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
289 case TVAUDIO_FM_K_STEREO:
290 saa_writeb(SAA7134_DEMODULATOR, 0x00);
291 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01);
292 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22);
293 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
294 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
296 case TVAUDIO_NICAM_FM:
297 saa_writeb(SAA7134_DEMODULATOR, 0x10);
298 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
299 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
300 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
301 saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
303 case TVAUDIO_NICAM_AM:
304 saa_writeb(SAA7134_DEMODULATOR, 0x12);
305 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
306 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
307 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
308 saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
310 case TVAUDIO_FM_SAT_STEREO:
311 /* not implemented (yet) */
316 static int tvaudio_sleep(struct saa7134_dev *dev, int timeout)
318 if (dev->thread.scan1 == dev->thread.scan2 &&
319 !kthread_should_stop()) {
321 set_current_state(TASK_INTERRUPTIBLE);
324 schedule_timeout_interruptible
325 (msecs_to_jiffies(timeout));
328 return dev->thread.scan1 != dev->thread.scan2;
331 static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan)
333 __s32 left,right,value;
335 if (!(dev->tvnorm->id & scan->std)) {
337 dprintk("skipping %d.%03d MHz [%4s]\n",
338 scan->carr / 1000, scan->carr % 1000, scan->name);
342 if (audio_debug > 1) {
344 dprintk("debug %d:",scan->carr);
345 for (i = -150; i <= 150; i += 30) {
346 tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i);
347 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
348 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
350 value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
352 printk(" # %6d # ",value >> 16);
354 printk(" %6d",value >> 16);
359 tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90);
360 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
361 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
363 left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
365 tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90);
366 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
367 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
369 right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
373 value = left > right ? left - right : right - left;
374 dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n",
375 scan->carr / 1000, scan->carr % 1000,
376 scan->name, value, left, right);
381 static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio)
383 __u32 idp, nicam, nicam_status;
386 switch (audio->mode) {
387 case TVAUDIO_FM_MONO:
388 return V4L2_TUNER_SUB_MONO;
389 case TVAUDIO_FM_K_STEREO:
390 case TVAUDIO_FM_BG_STEREO:
391 idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5;
392 dprintk("getstereo: fm/stereo: idp=0x%x\n",idp);
393 if (0x03 == (idp & 0x03))
394 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
395 else if (0x05 == (idp & 0x05))
396 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
397 else if (0x01 == (idp & 0x01))
398 retval = V4L2_TUNER_SUB_MONO;
400 case TVAUDIO_FM_SAT_STEREO:
401 /* not implemented (yet) */
403 case TVAUDIO_NICAM_FM:
404 case TVAUDIO_NICAM_AM:
405 nicam = saa_readb(SAA7134_AUDIO_STATUS);
406 dprintk("getstereo: nicam=0x%x\n",nicam);
408 nicam_status = saa_readb(SAA7134_NICAM_STATUS);
409 dprintk("getstereo: nicam_status=0x%x\n", nicam_status);
411 switch (nicam_status & 0x03) {
413 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
416 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
419 retval = V4L2_TUNER_SUB_MONO;
422 /* No nicam detected */
427 dprintk("found audio subchannels:%s%s%s%s\n",
428 (retval & V4L2_TUNER_SUB_MONO) ? " mono" : "",
429 (retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "",
430 (retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "",
431 (retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : "");
435 static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio,
438 static char *name[] = {
439 [ V4L2_TUNER_MODE_MONO ] = "mono",
440 [ V4L2_TUNER_MODE_STEREO ] = "stereo",
441 [ V4L2_TUNER_MODE_LANG1 ] = "lang1",
442 [ V4L2_TUNER_MODE_LANG2 ] = "lang2",
443 [ V4L2_TUNER_MODE_LANG1_LANG2 ] = "lang1+lang2",
446 [ V4L2_TUNER_MODE_MONO ] = 0x00, /* ch1 */
447 [ V4L2_TUNER_MODE_STEREO ] = 0x80, /* auto */
448 [ V4L2_TUNER_MODE_LANG1 ] = 0x00, /* ch1 */
449 [ V4L2_TUNER_MODE_LANG2 ] = 0x01, /* ch2 */
450 [ V4L2_TUNER_MODE_LANG1_LANG2 ] = 0x80, /* auto */
454 switch (audio->mode) {
455 case TVAUDIO_FM_MONO:
456 /* nothing to do ... */
458 case TVAUDIO_FM_K_STEREO:
459 case TVAUDIO_FM_BG_STEREO:
460 case TVAUDIO_NICAM_AM:
461 case TVAUDIO_NICAM_FM:
462 dprintk("setstereo [fm] => %s\n",
463 name[ mode % ARRAY_SIZE(name) ]);
464 reg = fm[ mode % ARRAY_SIZE(fm) ];
465 saa_writeb(SAA7134_FM_DEMATRIX, reg);
467 case TVAUDIO_FM_SAT_STEREO:
468 /* Not implemented */
474 static int tvaudio_thread(void *data)
476 struct saa7134_dev *dev = data;
477 int carr_vals[ARRAY_SIZE(mainscan)];
478 unsigned int i, audio, nscan;
479 int max1,max2,carrier,rx,mode,lastmode,default_carrier;
484 tvaudio_sleep(dev,-1);
485 if (kthread_should_stop())
491 dev->thread.scan1 = dev->thread.scan2;
492 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
495 saa_writeb(SAA7134_MONITOR_SELECT, 0xa0);
496 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
498 if (dev->ctl_automute)
501 mute_input_7134(dev);
503 /* give the tuner some time */
504 if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY))
512 for (i = 0; i < ARRAY_SIZE(mainscan); i++) {
513 if (!(dev->tvnorm->id & mainscan[i].std))
515 if (!default_carrier)
516 default_carrier = mainscan[i].carr;
521 /* only one candidate -- skip scan ;) */
522 dprintk("only one main carrier candidate - skipping scan\n");
524 carrier = default_carrier;
526 /* scan for the main carrier */
527 saa_writeb(SAA7134_MONITOR_SELECT,0x00);
528 tvaudio_setmode(dev,&tvaudio[0],NULL);
529 for (i = 0; i < ARRAY_SIZE(mainscan); i++) {
530 carr_vals[i] = tvaudio_checkcarrier(dev, mainscan+i);
531 if (dev->thread.scan1 != dev->thread.scan2)
534 for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) {
535 if (max1 < carr_vals[i]) {
538 carrier = mainscan[i].carr;
539 } else if (max2 < carr_vals[i]) {
545 if (0 != carrier && max1 > 2000 && max1 > max2*3) {
546 /* found good carrier */
547 dprintk("found %s main sound carrier @ %d.%03d MHz [%d/%d]\n",
548 dev->tvnorm->name, carrier/1000, carrier%1000,
550 dev->last_carrier = carrier;
553 } else if (0 != dev->last_carrier) {
554 /* no carrier -- try last detected one as fallback */
555 carrier = dev->last_carrier;
556 dprintk("audio carrier scan failed, "
557 "using %d.%03d MHz [last detected]\n",
558 carrier/1000, carrier%1000);
562 /* no carrier + no fallback -- use default */
563 carrier = default_carrier;
564 dprintk("audio carrier scan failed, "
565 "using %d.%03d MHz [default]\n",
566 carrier/1000, carrier%1000);
569 tvaudio_setcarrier(dev,carrier,carrier);
570 saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00);
571 saa7134_tvaudio_setmute(dev);
572 /* find the exact tv audio norm */
573 for (audio = UNSET, i = 0; i < TVAUDIO; i++) {
574 if (dev->tvnorm->id != UNSET &&
575 !(dev->tvnorm->id & tvaudio[i].std))
577 if (tvaudio[i].carr1 != carrier)
579 /* Note: at least the primary carrier is right here */
582 tvaudio_setmode(dev,&tvaudio[i],"trying");
583 if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY))
585 if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) {
590 saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30);
593 tvaudio_setmode(dev,&tvaudio[audio],"using");
595 tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO);
596 dev->tvaudio = &tvaudio[audio];
603 if (tvaudio_sleep(dev,5000))
605 if (kthread_should_stop())
607 if (UNSET == dev->thread.mode) {
608 rx = tvaudio_getstereo(dev, &tvaudio[audio]);
609 mode = saa7134_tvaudio_rx2mode(rx);
611 mode = dev->thread.mode;
613 if (lastmode != mode) {
614 tvaudio_setstereo(dev,&tvaudio[audio],mode);
621 dev->thread.stopped = 1;
625 /* ------------------------------------------------------------------ */
626 /* saa7133 / saa7135 code */
628 static char *stdres[0x20] = {
629 [0x00] = "no standard detected",
630 [0x01] = "B/G (in progress)",
631 [0x02] = "D/K (in progress)",
632 [0x03] = "M (in progress)",
635 [0x05] = "B/G NICAM",
636 [0x06] = "D/K A2 (1)",
637 [0x07] = "D/K A2 (2)",
638 [0x08] = "D/K A2 (3)",
639 [0x09] = "D/K NICAM",
647 [0x0f] = "FM radio / IF 10.7 / 50 deemp",
648 [0x10] = "FM radio / IF 10.7 / 75 deemp",
649 [0x11] = "FM radio / IF sel / 50 deemp",
650 [0x12] = "FM radio / IF sel / 75 deemp",
652 [0x13 ... 0x1e ] = "unknown",
653 [0x1f] = "??? [in progress]",
658 #define SAA7135_DSP_RWCLEAR_RERR 1
660 static inline int saa_dsp_reset_error_bit(struct saa7134_dev *dev)
662 int state = saa_readb(SAA7135_DSP_RWSTATE);
663 if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) {
664 d2printk("%s: resetting error bit\n", dev->name);
665 saa_writeb(SAA7135_DSP_RWCLEAR, SAA7135_DSP_RWCLEAR_RERR);
670 static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit)
672 int state, count = DSP_RETRY;
674 state = saa_readb(SAA7135_DSP_RWSTATE);
675 if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) {
676 printk(KERN_WARNING "%s: dsp access error\n", dev->name);
677 saa_dsp_reset_error_bit(dev);
680 while (0 == (state & bit)) {
681 if (unlikely(0 == count)) {
682 printk("%s: dsp access wait timeout [bit=%s]\n",
684 (bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" :
685 (bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" :
686 (bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" :
691 state = saa_readb(SAA7135_DSP_RWSTATE);
698 int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value)
702 d2printk("dsp write reg 0x%x = 0x%06x\n",reg<<2,value);
703 err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
706 saa_writel(reg,value);
707 err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
713 static int getstereo_7133(struct saa7134_dev *dev)
715 int retval = V4L2_TUNER_SUB_MONO;
718 value = saa_readl(0x528 >> 2);
720 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
722 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
726 static int mute_input_7133(struct saa7134_dev *dev)
731 struct saa7134_input *in;
734 switch (dev->input->amux) {
747 saa_dsp_writel(dev, 0x464 >> 2, xbarin);
753 saa_dsp_writel(dev, 0x46c >> 2, xbarout);
755 saa_writel(0x594 >> 2, reg);
758 /* switch gpio-connected external audio mux */
759 if (0 != card(dev).gpiomask) {
760 mask = card(dev).gpiomask;
762 if (card(dev).mute.name && dev->ctl_mute)
763 in = &card(dev).mute;
767 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask);
768 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio);
769 saa7134_track_gpio(dev,in->name);
775 static int tvaudio_thread_ddep(void *data)
777 struct saa7134_dev *dev = data;
782 tvaudio_sleep(dev,-1);
783 if (kthread_should_stop())
788 dev->thread.scan1 = dev->thread.scan2;
789 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
791 if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) {
792 /* insmod option override */
793 norms = (audio_ddep << 2) | 0x01;
794 dprintk("ddep override: %s\n",stdres[audio_ddep]);
795 } else if (&card(dev).radio == dev->input) {
796 dprintk("FM Radio\n");
797 if (dev->tuner_type == TUNER_PHILIPS_TDA8290) {
798 norms = (0x11 << 2) | 0x01;
799 /* set IF frequency to 5.5 MHz */
800 saa_dsp_writel(dev, 0x42c >> 2, 0x729555);
802 norms = (0x0f << 2) | 0x01;
805 /* (let chip) scan for sound carrier */
807 if (dev->tvnorm->id & (V4L2_STD_B | V4L2_STD_GH))
809 if (dev->tvnorm->id & V4L2_STD_PAL_I)
811 if (dev->tvnorm->id & V4L2_STD_DK)
813 if (dev->tvnorm->id & V4L2_STD_MN)
815 if (dev->tvnorm->id & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))
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 dev->thread.stopped = 1;
869 /* ------------------------------------------------------------------ */
870 /* common stuff + external entry points */
872 void saa7134_enable_i2s(struct saa7134_dev *dev)
876 if (!card_is_empress(dev))
879 if (dev->pci->device == PCI_DEVICE_ID_PHILIPS_SAA7130)
882 /* configure GPIO for out */
883 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x0E000000, 0x00000000);
885 switch (dev->pci->device) {
886 case PCI_DEVICE_ID_PHILIPS_SAA7133:
887 case PCI_DEVICE_ID_PHILIPS_SAA7135:
888 /* Set I2S format (SONY) */
889 saa_writeb(SAA7133_I2S_AUDIO_CONTROL, 0x00);
891 saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x11);
894 case PCI_DEVICE_ID_PHILIPS_SAA7134:
895 i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01;
897 /* enable I2S audio output for the mpeg encoder */
898 saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
899 saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format);
900 saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
901 saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
908 int saa7134_tvaudio_rx2mode(u32 rx)
912 mode = V4L2_TUNER_MODE_MONO;
913 if (rx & V4L2_TUNER_SUB_STEREO)
914 mode = V4L2_TUNER_MODE_STEREO;
915 else if (rx & V4L2_TUNER_SUB_LANG1)
916 mode = V4L2_TUNER_MODE_LANG1;
917 else if (rx & V4L2_TUNER_SUB_LANG2)
918 mode = V4L2_TUNER_MODE_LANG2;
922 void saa7134_tvaudio_setmute(struct saa7134_dev *dev)
924 switch (dev->pci->device) {
925 case PCI_DEVICE_ID_PHILIPS_SAA7130:
926 case PCI_DEVICE_ID_PHILIPS_SAA7134:
927 mute_input_7134(dev);
929 case PCI_DEVICE_ID_PHILIPS_SAA7133:
930 case PCI_DEVICE_ID_PHILIPS_SAA7135:
931 mute_input_7133(dev);
936 void saa7134_tvaudio_setinput(struct saa7134_dev *dev,
937 struct saa7134_input *in)
940 switch (dev->pci->device) {
941 case PCI_DEVICE_ID_PHILIPS_SAA7130:
942 case PCI_DEVICE_ID_PHILIPS_SAA7134:
943 mute_input_7134(dev);
945 case PCI_DEVICE_ID_PHILIPS_SAA7133:
946 case PCI_DEVICE_ID_PHILIPS_SAA7135:
947 mute_input_7133(dev);
950 saa7134_enable_i2s(dev);
953 void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level)
955 switch (dev->pci->device) {
956 case PCI_DEVICE_ID_PHILIPS_SAA7134:
957 saa_writeb(SAA7134_CHANNEL1_LEVEL, level & 0x1f);
958 saa_writeb(SAA7134_CHANNEL2_LEVEL, level & 0x1f);
959 saa_writeb(SAA7134_NICAM_LEVEL_ADJUST, level & 0x1f);
964 int saa7134_tvaudio_getstereo(struct saa7134_dev *dev)
966 int retval = V4L2_TUNER_SUB_MONO;
968 switch (dev->pci->device) {
969 case PCI_DEVICE_ID_PHILIPS_SAA7134:
971 retval = tvaudio_getstereo(dev,dev->tvaudio);
973 case PCI_DEVICE_ID_PHILIPS_SAA7133:
974 case PCI_DEVICE_ID_PHILIPS_SAA7135:
975 retval = getstereo_7133(dev);
981 void saa7134_tvaudio_init(struct saa7134_dev *dev)
983 int clock = saa7134_boards[dev->board].audio_clock;
985 if (UNSET != audio_clock_override)
986 clock = audio_clock_override;
988 switch (dev->pci->device) {
989 case PCI_DEVICE_ID_PHILIPS_SAA7134:
990 /* init all audio registers */
991 saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00);
997 saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff);
998 saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff);
999 saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff);
1000 /* frame locked audio is mandatory for NICAM */
1001 saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01);
1002 saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14);
1003 saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50);
1005 case PCI_DEVICE_ID_PHILIPS_SAA7133:
1006 case PCI_DEVICE_ID_PHILIPS_SAA7135:
1007 saa_writel(0x598 >> 2, clock);
1008 saa_dsp_writel(dev, 0x474 >> 2, 0x00);
1009 saa_dsp_writel(dev, 0x450 >> 2, 0x00);
1013 int saa7134_tvaudio_init2(struct saa7134_dev *dev)
1015 int (*my_thread)(void *data) = NULL;
1017 switch (dev->pci->device) {
1018 case PCI_DEVICE_ID_PHILIPS_SAA7134:
1019 my_thread = tvaudio_thread;
1021 case PCI_DEVICE_ID_PHILIPS_SAA7133:
1022 case PCI_DEVICE_ID_PHILIPS_SAA7135:
1023 my_thread = tvaudio_thread_ddep;
1027 dev->thread.thread = NULL;
1028 dev->thread.scan1 = dev->thread.scan2 = 0;
1030 saa7134_tvaudio_init(dev);
1031 /* start tvaudio thread */
1032 dev->thread.thread = kthread_run(my_thread, dev, "%s", dev->name);
1033 if (IS_ERR(dev->thread.thread)) {
1034 printk(KERN_WARNING "%s: kernel_thread() failed\n",
1036 /* XXX: missing error handling here */
1040 saa7134_enable_i2s(dev);
1044 int saa7134_tvaudio_close(struct saa7134_dev *dev)
1047 /* anything else to undo? */
1051 int saa7134_tvaudio_fini(struct saa7134_dev *dev)
1053 /* shutdown tvaudio thread */
1054 if (dev->thread.thread && !dev->thread.stopped)
1055 kthread_stop(dev->thread.thread);
1057 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */
1061 int saa7134_tvaudio_do_scan(struct saa7134_dev *dev)
1063 if (dev->input->amux != TV) {
1064 dprintk("sound IF not in use, skipping scan\n");
1066 saa7134_tvaudio_setmute(dev);
1067 } else if (dev->thread.thread) {
1068 dev->thread.mode = UNSET;
1069 dev->thread.scan2++;
1071 if (!dev->insuspend && !dev->thread.stopped)
1072 wake_up_process(dev->thread.thread);
1075 saa7134_tvaudio_setmute(dev);
1080 EXPORT_SYMBOL(saa_dsp_writel);
1081 EXPORT_SYMBOL(saa7134_tvaudio_setmute);