]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blame - drivers/media/video/saa7134/saa7134-tvaudio.c
projects / mirror_ubuntu-artful-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
V4L/DVB (4676a): Remove Kconfig item for DiB7000M support
[mirror_ubuntu-artful-kernel.git] / drivers / media / video / saa7134 / saa7134-tvaudio.c
CommitLineData
1da177e4 1/*
1da177e4
LT		 2 *
3 * device driver for philips saa7134 based TV cards
4 * tv audio decoder (fm stereo, nicam, ...)
5 *
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
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.
12 *
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.
17 *
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.
21 */
22
23#include <linux/init.h>
24#include <linux/list.h>
25#include <linux/module.h>
26#include <linux/moduleparam.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>
32
33#include "saa7134-reg.h"
34#include "saa7134.h"
35
36/* ------------------------------------------------------------------ */
37
38static unsigned int audio_debug = 0;
39module_param(audio_debug, int, 0644);
40MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]");
41
42static unsigned int audio_ddep = 0;
43module_param(audio_ddep, int, 0644);
44MODULE_PARM_DESC(audio_ddep,"audio ddep overwrite");
45
46static int audio_clock_override = UNSET;
47module_param(audio_clock_override, int, 0644);
48
49static int audio_clock_tweak = 0;
50module_param(audio_clock_tweak, int, 0644);
51MODULE_PARM_DESC(audio_clock_tweak, "Audio clock tick fine tuning for cards with audio crystal that's slightly off (range [-1024 .. 1024])");
52
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)
57
58#define print_regb(reg) printk("%s: reg 0x%03x [%-16s]: 0x%02x\n", \
59 dev->name,(SAA7134_##reg),(#reg),saa_readb((SAA7134_##reg)))
60
61/* msecs */
62#define SCAN_INITIAL_DELAY 1000
63#define SCAN_SAMPLE_DELAY 200
64#define SCAN_SUBCARRIER_DELAY 2000
65
66/* ------------------------------------------------------------------ */
67/* saa7134 code */
68
69static struct mainscan {
70 char *name;
71 v4l2_std_id std;
72 int carr;
73} mainscan[] = {
74 {
75 .name = "M",
76 .std = V4L2_STD_NTSC | V4L2_STD_PAL_M,
77 .carr = 4500,
78 },{
79 .name = "BG",
80 .std = V4L2_STD_PAL_BG,
81 .carr = 5500,
82 },{
83 .name = "I",
84 .std = V4L2_STD_PAL_I,
85 .carr = 6000,
86 },{
87 .name = "DKL",
88 .std = V4L2_STD_PAL_DK | V4L2_STD_SECAM,
89 .carr = 6500,
90 }
91};
92
93static struct saa7134_tvaudio tvaudio[] = {
94 {
95 .name = "PAL-B/G FM-stereo",
96 .std = V4L2_STD_PAL,
97 .mode = TVAUDIO_FM_BG_STEREO,
98 .carr1 = 5500,
99 .carr2 = 5742,
100 },{
101 .name = "PAL-D/K1 FM-stereo",
102 .std = V4L2_STD_PAL,
103 .carr1 = 6500,
104 .carr2 = 6258,
105 .mode = TVAUDIO_FM_BG_STEREO,
106 },{
107 .name = "PAL-D/K2 FM-stereo",
108 .std = V4L2_STD_PAL,
109 .carr1 = 6500,
110 .carr2 = 6742,
111 .mode = TVAUDIO_FM_BG_STEREO,
112 },{
113 .name = "PAL-D/K3 FM-stereo",
114 .std = V4L2_STD_PAL,
115 .carr1 = 6500,
116 .carr2 = 5742,
117 .mode = TVAUDIO_FM_BG_STEREO,
118 },{
119 .name = "PAL-B/G NICAM",
120 .std = V4L2_STD_PAL,
121 .carr1 = 5500,
122 .carr2 = 5850,
123 .mode = TVAUDIO_NICAM_FM,
124 },{
125 .name = "PAL-I NICAM",
126 .std = V4L2_STD_PAL,
127 .carr1 = 6000,
128 .carr2 = 6552,
129 .mode = TVAUDIO_NICAM_FM,
130 },{
131 .name = "PAL-D/K NICAM",
132 .std = V4L2_STD_PAL,
133 .carr1 = 6500,
134 .carr2 = 5850,
135 .mode = TVAUDIO_NICAM_FM,
136 },{
137 .name = "SECAM-L NICAM",
138 .std = V4L2_STD_SECAM,
139 .carr1 = 6500,
140 .carr2 = 5850,
141 .mode = TVAUDIO_NICAM_AM,
f7d66e82
HH		 142 },{
143 .name = "SECAM-L MONO",
144 .std = V4L2_STD_SECAM,
145 .carr1 = 6500,
146 .carr2 = -1,
147 .mode = TVAUDIO_AM_MONO,
1da177e4
LT		 148 },{
149 .name = "SECAM-D/K",
150 .std = V4L2_STD_SECAM,
151 .carr1 = 6500,
152 .carr2 = -1,
153 .mode = TVAUDIO_FM_MONO,
154 },{
155 .name = "NTSC-M",
156 .std = V4L2_STD_NTSC,
157 .carr1 = 4500,
158 .carr2 = -1,
159 .mode = TVAUDIO_FM_MONO,
160 },{
161 .name = "NTSC-A2 FM-stereo",
162 .std = V4L2_STD_NTSC,
163 .carr1 = 4500,
164 .carr2 = 4724,
165 .mode = TVAUDIO_FM_K_STEREO,
166 }
167};
168#define TVAUDIO (sizeof(tvaudio)/sizeof(struct saa7134_tvaudio))
169
170/* ------------------------------------------------------------------ */
171
172static void tvaudio_init(struct saa7134_dev *dev)
173{
174 int clock = saa7134_boards[dev->board].audio_clock;
175
176 if (UNSET != audio_clock_override)
330a115a 177 clock = audio_clock_override;
1da177e4
LT		 178
179 /* init all audio registers */
180 saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00);
181 if (need_resched())
182 schedule();
183 else
184 udelay(10);
185
186 saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff);
187 saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff);
188 saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff);
0f79c363
HH		 189 /* frame locked audio is mandatory for NICAM */
190 saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01);
1da177e4
LT		 191
192 saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14);
193 saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50);
194 saa_writeb(SAA7134_MONITOR_SELECT, 0xa0);
195 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
196}
197
198static u32 tvaudio_carr2reg(u32 carrier)
199{
200 u64 a = carrier;
201
202 a <<= 24;
203 do_div(a,12288);
204 return a;
205}
206
207static void tvaudio_setcarrier(struct saa7134_dev *dev,
208 int primary, int secondary)
209{
210 if (-1 == secondary)
211 secondary = primary;
212 saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary));
213 saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary));
214}
215
1eaad5b1
NS		 216#define SAA7134_MUTE_MASK 0xbb
217#define SAA7134_MUTE_ANALOG 0x04
218#define SAA7134_MUTE_I2S 0x40
219
1da177e4
LT		 220static void mute_input_7134(struct saa7134_dev *dev)
221{
222 unsigned int mute;
223 struct saa7134_input *in;
224 int ausel=0, ics=0, ocs=0;
225 int mask;
226
227 /* look what is to do ... */
228 in = dev->input;
229 mute = (dev->ctl_mute ||
230 (dev->automute && (&card(dev).radio) != in));
330a115a
MCC		 231 if (card(dev).mute.name) {
232 /*
233 * 7130 - we'll mute using some unconnected audio input
234 * 7134 - we'll probably should switch external mux with gpio
235 */
1da177e4
LT		 236 if (mute)
237 in = &card(dev).mute;
238 }
330a115a 239
1da177e4 240 if (dev->hw_mute == mute &&
330a115a 241 dev->hw_input == in) {
1da177e4
LT		 242 dprintk("mute/input: nothing to do [mute=%d,input=%s]\n",
243 mute,in->name);
244 return;
245 }
246
247 dprintk("ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n",
248 dev->ctl_mute,dev->automute,dev->input->name,mute,in->name);
249 dev->hw_mute = mute;
250 dev->hw_input = in;
251
252 if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device)
253 /* 7134 mute */
1eaad5b1 254 saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ?
4ac97914 255 SAA7134_MUTE_MASK |
1eaad5b1
NS		 256 SAA7134_MUTE_ANALOG |
257 SAA7134_MUTE_I2S :
258 SAA7134_MUTE_MASK);
1da177e4
LT		 259
260 /* switch internal audio mux */
261 switch (in->amux) {
262 case TV: ausel=0xc0; ics=0x00; ocs=0x02; break;
263 case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break;
264 case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break;
265 case LINE2_LEFT: ausel=0x80; ics=0x08; ocs=0x05; break;
266 }
267 saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel);
268 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics);
269 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs);
ac19ecc6
MCC		 270 // for oss, we need to change the clock configuration
271 if (in->amux == TV)
272 saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00);
273 else
274 saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x01);
1da177e4
LT		 275
276 /* switch gpio-connected external audio mux */
277 if (0 == card(dev).gpiomask)
278 return;
330a115a 279
1da177e4
LT		 280 mask = card(dev).gpiomask;
281 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask);
282 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio);
283 saa7134_track_gpio(dev,in->name);
284}
285
286static void tvaudio_setmode(struct saa7134_dev *dev,
287 struct saa7134_tvaudio *audio,
288 char *note)
289{
290 int acpf, tweak = 0;
291
292 if (dev->tvnorm->id == V4L2_STD_NTSC) {
293 acpf = 0x19066;
294 } else {
295 acpf = 0x1e000;
296 }
297 if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024)
298 tweak = audio_clock_tweak;
299
300 if (note)
301 dprintk("tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n",
302 note,audio->name,
303 audio->carr1 / 1000, audio->carr1 % 1000,
304 audio->carr2 / 1000, audio->carr2 % 1000,
305 acpf, tweak);
306
307 acpf += tweak;
308 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0);
309 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8);
310 saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16);
311 tvaudio_setcarrier(dev,audio->carr1,audio->carr2);
312
313 switch (audio->mode) {
314 case TVAUDIO_FM_MONO:
315 case TVAUDIO_FM_BG_STEREO:
316 saa_writeb(SAA7134_DEMODULATOR, 0x00);
317 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
318 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22);
319 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
320 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
321 break;
322 case TVAUDIO_FM_K_STEREO:
323 saa_writeb(SAA7134_DEMODULATOR, 0x00);
324 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01);
325 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22);
326 saa_writeb(SAA7134_FM_DEMATRIX, 0x80);
327 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
328 break;
329 case TVAUDIO_NICAM_FM:
330 saa_writeb(SAA7134_DEMODULATOR, 0x10);
331 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
332 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
333 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
334 saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
335 break;
336 case TVAUDIO_NICAM_AM:
337 saa_writeb(SAA7134_DEMODULATOR, 0x12);
338 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
339 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
340 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
341 saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
342 break;
f7d66e82
HH		 343 case TVAUDIO_AM_MONO:
344 saa_writeb(SAA7134_DEMODULATOR, 0x12);
345 saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
346 saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
347 saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
348 break;
1da177e4
LT		 349 case TVAUDIO_FM_SAT_STEREO:
350 /* not implemented (yet) */
351 break;
352 }
353}
354
355static int tvaudio_sleep(struct saa7134_dev *dev, int timeout)
356{
357 DECLARE_WAITQUEUE(wait, current);
358
359 add_wait_queue(&dev->thread.wq, &wait);
360 if (dev->thread.scan1 == dev->thread.scan2 && !dev->thread.shutdown) {
361 if (timeout < 0) {
362 set_current_state(TASK_INTERRUPTIBLE);
363 schedule();
364 } else {
8b93ec77
NA		 365 schedule_timeout_interruptible
366 (msecs_to_jiffies(timeout));
1da177e4
LT		 367 }
368 }
369 remove_wait_queue(&dev->thread.wq, &wait);
370 return dev->thread.scan1 != dev->thread.scan2;
371}
372
373static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan)
374{
375 __s32 left,right,value;
376
377 if (audio_debug > 1) {
378 int i;
379 dprintk("debug %d:",scan->carr);
380 for (i = -150; i <= 150; i += 30) {
381 tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i);
382 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
383 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
384 return -1;
385 value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
386 if (0 == i)
387 printk(" # %6d # ",value >> 16);
388 else
389 printk(" %6d",value >> 16);
390 }
391 printk("\n");
392 }
393
394 if (dev->tvnorm->id & scan->std) {
395 tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90);
396 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
397 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
398 return -1;
399 left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
400
401 tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90);
402 saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
403 if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY))
404 return -1;
405 right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2);
406
407 left >>= 16;
408 right >>= 16;
409 value = left > right ? left - right : right - left;
410 dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n",
411 scan->carr / 1000, scan->carr % 1000,
412 scan->name, value, left, right);
413 } else {
414 value = 0;
415 dprintk("skipping %d.%03d MHz [%4s]\n",
416 scan->carr / 1000, scan->carr % 1000, scan->name);
417 }
418 return value;
419}
420
1da177e4
LT		 421
422static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio)
423{
330a115a 424 __u32 idp, nicam, nicam_status;
1da177e4
LT		 425 int retval = -1;
426
427 switch (audio->mode) {
428 case TVAUDIO_FM_MONO:
f7d66e82 429 case TVAUDIO_AM_MONO:
1da177e4
LT		 430 return V4L2_TUNER_SUB_MONO;
431 case TVAUDIO_FM_K_STEREO:
432 case TVAUDIO_FM_BG_STEREO:
433 idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5;
434 dprintk("getstereo: fm/stereo: idp=0x%x\n",idp);
435 if (0x03 == (idp & 0x03))
436 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
437 else if (0x05 == (idp & 0x05))
438 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
439 else if (0x01 == (idp & 0x01))
440 retval = V4L2_TUNER_SUB_MONO;
441 break;
442 case TVAUDIO_FM_SAT_STEREO:
443 /* not implemented (yet) */
444 break;
445 case TVAUDIO_NICAM_FM:
446 case TVAUDIO_NICAM_AM:
330a115a 447 nicam = saa_readb(SAA7134_AUDIO_STATUS);
1da177e4 448 dprintk("getstereo: nicam=0x%x\n",nicam);
330a115a
MCC		 449 if (nicam & 0x1) {
450 nicam_status = saa_readb(SAA7134_NICAM_STATUS);
451 dprintk("getstereo: nicam_status=0x%x\n", nicam_status);
452
453 switch (nicam_status & 0x03) {
454 case 0x01:
455 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
456 break;
457 case 0x02:
458 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
459 break;
460 default:
461 retval = V4L2_TUNER_SUB_MONO;
462 }
463 } else {
464 /* No nicam detected */
1da177e4
LT		 465 }
466 break;
467 }
468 if (retval != -1)
469 dprintk("found audio subchannels:%s%s%s%s\n",
470 (retval & V4L2_TUNER_SUB_MONO) ? " mono" : "",
471 (retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "",
472 (retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "",
473 (retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : "");
474 return retval;
475}
476
477static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio,
478 u32 mode)
479{
480 static char *name[] = {
481 [ V4L2_TUNER_MODE_MONO ] = "mono",
482 [ V4L2_TUNER_MODE_STEREO ] = "stereo",
483 [ V4L2_TUNER_MODE_LANG1 ] = "lang1",
484 [ V4L2_TUNER_MODE_LANG2 ] = "lang2",
301e22d6 485 [ V4L2_TUNER_MODE_LANG1_LANG2 ] = "lang1+lang2",
1da177e4
LT		 486 };
487 static u32 fm[] = {
488 [ V4L2_TUNER_MODE_MONO ] = 0x00, /* ch1 */
489 [ V4L2_TUNER_MODE_STEREO ] = 0x80, /* auto */
490 [ V4L2_TUNER_MODE_LANG1 ] = 0x00, /* ch1 */
491 [ V4L2_TUNER_MODE_LANG2 ] = 0x01, /* ch2 */
301e22d6 492 [ V4L2_TUNER_MODE_LANG1_LANG2 ] = 0x80, /* auto */
1da177e4
LT		 493 };
494 u32 reg;
495
496 switch (audio->mode) {
497 case TVAUDIO_FM_MONO:
f7d66e82 498 case TVAUDIO_AM_MONO:
1da177e4
LT		 499 /* nothing to do ... */
500 break;
501 case TVAUDIO_FM_K_STEREO:
502 case TVAUDIO_FM_BG_STEREO:
330a115a
MCC		 503 case TVAUDIO_NICAM_AM:
504 case TVAUDIO_NICAM_FM:
1da177e4
LT		 505 dprintk("setstereo [fm] => %s\n",
506 name[ mode % ARRAY_SIZE(name) ]);
507 reg = fm[ mode % ARRAY_SIZE(fm) ];
508 saa_writeb(SAA7134_FM_DEMATRIX, reg);
509 break;
510 case TVAUDIO_FM_SAT_STEREO:
330a115a 511 /* Not implemented */
1da177e4
LT		 512 break;
513 }
514 return 0;
515}
516
517static int tvaudio_thread(void *data)
518{
519 struct saa7134_dev *dev = data;
520 int carr_vals[ARRAY_SIZE(mainscan)];
521 unsigned int i, audio, nscan;
522 int max1,max2,carrier,rx,mode,lastmode,default_carrier;
523
524 daemonize("%s", dev->name);
525 allow_signal(SIGTERM);
526 for (;;) {
527 tvaudio_sleep(dev,-1);
528 if (dev->thread.shutdown || signal_pending(current))
529 goto done;
530
531 restart:
532 dev->thread.scan1 = dev->thread.scan2;
533 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
534 dev->tvaudio = NULL;
535 tvaudio_init(dev);
536 if (dev->ctl_automute)
537 dev->automute = 1;
538 mute_input_7134(dev);
539
540 /* give the tuner some time */
541 if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY))
542 goto restart;
543
544 max1 = 0;
545 max2 = 0;
546 nscan = 0;
547 carrier = 0;
548 default_carrier = 0;
549 for (i = 0; i < ARRAY_SIZE(mainscan); i++) {
550 if (!(dev->tvnorm->id & mainscan[i].std))
551 continue;
552 if (!default_carrier)
553 default_carrier = mainscan[i].carr;
554 nscan++;
555 }
556
557 if (1 == nscan) {
558 /* only one candidate -- skip scan ;) */
559 max1 = 12345;
560 carrier = default_carrier;
561 } else {
562 /* scan for the main carrier */
563 saa_writeb(SAA7134_MONITOR_SELECT,0x00);
564 tvaudio_setmode(dev,&tvaudio[0],NULL);
565 for (i = 0; i < ARRAY_SIZE(mainscan); i++) {
566 carr_vals[i] = tvaudio_checkcarrier(dev, mainscan+i);
567 if (dev->thread.scan1 != dev->thread.scan2)
568 goto restart;
569 }
570 for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) {
571 if (max1 < carr_vals[i]) {
572 max2 = max1;
573 max1 = carr_vals[i];
574 carrier = mainscan[i].carr;
575 } else if (max2 < carr_vals[i]) {
576 max2 = carr_vals[i];
577 }
578 }
579 }
580
581 if (0 != carrier && max1 > 2000 && max1 > max2*3) {
582 /* found good carrier */
583 dprintk("found %s main sound carrier @ %d.%03d MHz [%d/%d]\n",
584 dev->tvnorm->name, carrier/1000, carrier%1000,
585 max1, max2);
586 dev->last_carrier = carrier;
587
588 } else if (0 != dev->last_carrier) {
589 /* no carrier -- try last detected one as fallback */
590 carrier = dev->last_carrier;
ac19ecc6 591 dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, "
1da177e4
LT		 592 "using %d.%03d MHz [last detected]\n",
593 dev->name, carrier/1000, carrier%1000);
594
595 } else {
596 /* no carrier + no fallback -- use default */
597 carrier = default_carrier;
ac19ecc6 598 dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, "
1da177e4
LT		 599 "using %d.%03d MHz [default]\n",
600 dev->name, carrier/1000, carrier%1000);
601 }
602 tvaudio_setcarrier(dev,carrier,carrier);
603 dev->automute = 0;
604 saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00);
605 saa7134_tvaudio_setmute(dev);
606
607 /* find the exact tv audio norm */
608 for (audio = UNSET, i = 0; i < TVAUDIO; i++) {
609 if (dev->tvnorm->id != UNSET &&
330a115a 610 !(dev->tvnorm->id & tvaudio[i].std))
1da177e4
LT		 611 continue;
612 if (tvaudio[i].carr1 != carrier)
613 continue;
614
615 if (UNSET == audio)
616 audio = i;
617 tvaudio_setmode(dev,&tvaudio[i],"trying");
618 if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY))
619 goto restart;
620 if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) {
621 audio = i;
622 break;
623 }
624 }
625 saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30);
626 if (UNSET == audio)
627 continue;
628 tvaudio_setmode(dev,&tvaudio[audio],"using");
629 tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO);
630 dev->tvaudio = &tvaudio[audio];
631
632 lastmode = 42;
633 for (;;) {
634 if (tvaudio_sleep(dev,5000))
635 goto restart;
636 if (dev->thread.shutdown || signal_pending(current))
637 break;
638 if (UNSET == dev->thread.mode) {
639 rx = tvaudio_getstereo(dev,&tvaudio[i]);
640 mode = saa7134_tvaudio_rx2mode(rx);
641 } else {
642 mode = dev->thread.mode;
643 }
644 if (lastmode != mode) {
645 tvaudio_setstereo(dev,&tvaudio[audio],mode);
646 lastmode = mode;
647 }
648 }
649 }
650
651 done:
652 complete_and_exit(&dev->thread.exit, 0);
653 return 0;
654}
655
656/* ------------------------------------------------------------------ */
657/* saa7133 / saa7135 code */
658
659static char *stdres[0x20] = {
660 [0x00] = "no standard detected",
661 [0x01] = "B/G (in progress)",
662 [0x02] = "D/K (in progress)",
663 [0x03] = "M (in progress)",
664
665 [0x04] = "B/G A2",
666 [0x05] = "B/G NICAM",
667 [0x06] = "D/K A2 (1)",
668 [0x07] = "D/K A2 (2)",
669 [0x08] = "D/K A2 (3)",
670 [0x09] = "D/K NICAM",
671 [0x0a] = "L NICAM",
672 [0x0b] = "I NICAM",
673
674 [0x0c] = "M Korea",
675 [0x0d] = "M BTSC ",
676 [0x0e] = "M EIAJ",
677
678 [0x0f] = "FM radio / IF 10.7 / 50 deemp",
679 [0x10] = "FM radio / IF 10.7 / 75 deemp",
680 [0x11] = "FM radio / IF sel / 50 deemp",
681 [0x12] = "FM radio / IF sel / 75 deemp",
682
683 [0x13 ... 0x1e ] = "unknown",
684 [0x1f] = "??? [in progress]",
685};
686
687#define DSP_RETRY 32
688#define DSP_DELAY 16
689
690static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit)
691{
692 int state, count = DSP_RETRY;
693
694 state = saa_readb(SAA7135_DSP_RWSTATE);
695 if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) {
696 printk("%s: dsp access error\n",dev->name);
697 /* FIXME: send ack ... */
698 return -EIO;
699 }
700 while (0 == (state & bit)) {
701 if (unlikely(0 == count)) {
702 printk("%s: dsp access wait timeout [bit=%s]\n",
703 dev->name,
704 (bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" :
705 (bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" :
706 (bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" :
707 "???");
708 return -EIO;
709 }
710 saa_wait(DSP_DELAY);
711 state = saa_readb(SAA7135_DSP_RWSTATE);
712 count--;
713 }
714 return 0;
715}
716
1da177e4
LT		 717
718int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value)
719{
720 int err;
721
722 d2printk("dsp write reg 0x%x = 0x%06x\n",reg<<2,value);
723 err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
724 if (err < 0)
725 return err;
726 saa_writel(reg,value);
727 err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
728 if (err < 0)
729 return err;
730 return 0;
731}
732
733static int getstereo_7133(struct saa7134_dev *dev)
734{
735 int retval = V4L2_TUNER_SUB_MONO;
736 u32 value;
737
738 value = saa_readl(0x528 >> 2);
739 if (value & 0x20)
740 retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
741 if (value & 0x40)
742 retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
743 return retval;
744}
745
746static int mute_input_7133(struct saa7134_dev *dev)
747{
748 u32 reg = 0;
330a115a 749 u32 xbarin, xbarout;
1da177e4 750 int mask;
330a115a 751 struct saa7134_input *in;
1da177e4 752
330a115a
MCC		 753 /* Hac 0506 route OSS sound simultanously */
754 xbarin = 0x03;
1da177e4
LT		 755 switch (dev->input->amux) {
756 case TV:
757 reg = 0x02;
330a115a 758 xbarin = 0;
1da177e4
LT		 759 break;
760 case LINE1:
761 reg = 0x00;
762 break;
763 case LINE2:
764 case LINE2_LEFT:
330a115a 765 reg = 0x09;
1da177e4
LT		 766 break;
767 }
330a115a
MCC		 768 saa_dsp_writel(dev, 0x464 >> 2, xbarin);
769 if (dev->ctl_mute) {
1da177e4 770 reg = 0x07;
330a115a
MCC		 771 xbarout = 0xbbbbbb;
772 } else
773 xbarout = 0xbbbb10;
774 saa_dsp_writel(dev, 0x46c >> 2, xbarout);
775
1da177e4
LT		 776 saa_writel(0x594 >> 2, reg);
777
330a115a 778
1da177e4 779 /* switch gpio-connected external audio mux */
4ac97914
MCC		 780 if (0 != card(dev).gpiomask) {
781 mask = card(dev).gpiomask;
330a115a
MCC		 782
783 if (card(dev).mute.name && dev->ctl_mute)
784 in = &card(dev).mute;
785 else
786 in = dev->input;
787
4ac97914
MCC		 788 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask);
789 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio);
790 saa7134_track_gpio(dev,in->name);
1da177e4 791 }
330a115a 792
1da177e4
LT		 793 return 0;
794}
795
796static int tvaudio_thread_ddep(void *data)
797{
798 struct saa7134_dev *dev = data;
799 u32 value, norms, clock;
800
801 daemonize("%s", dev->name);
802 allow_signal(SIGTERM);
803
804 clock = saa7134_boards[dev->board].audio_clock;
805 if (UNSET != audio_clock_override)
806 clock = audio_clock_override;
807 saa_writel(0x598 >> 2, clock);
808
809 /* unmute */
810 saa_dsp_writel(dev, 0x474 >> 2, 0x00);
811 saa_dsp_writel(dev, 0x450 >> 2, 0x00);
812
813 for (;;) {
814 tvaudio_sleep(dev,-1);
815 if (dev->thread.shutdown || signal_pending(current))
816 goto done;
817
818 restart:
819 dev->thread.scan1 = dev->thread.scan2;
820 dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1);
821
822 if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) {
823 /* insmod option override */
824 norms = (audio_ddep << 2) | 0x01;
825 dprintk("ddep override: %s\n",stdres[audio_ddep]);
826 } else if (&card(dev).radio == dev->input) {
827 dprintk("FM Radio\n");
0f79c363
HH		 828 if (dev->tuner_type == TUNER_PHILIPS_TDA8290) {
829 norms = (0x11 << 2) | 0x01;
830 saa_dsp_writel(dev, 0x42c >> 2, 0x729555);
831 } else {
832 norms = (0x0f << 2) | 0x01;
833 }
1da177e4
LT		 834 } else {
835 /* (let chip) scan for sound carrier */
836 norms = 0;
837 if (dev->tvnorm->id & V4L2_STD_PAL) {
838 dprintk("PAL scan\n");
839 norms |= 0x2c; /* B/G + D/K + I */
840 }
841 if (dev->tvnorm->id & V4L2_STD_NTSC) {
842 dprintk("NTSC scan\n");
843 norms |= 0x40; /* M */
844 }
845 if (dev->tvnorm->id & V4L2_STD_SECAM) {
846 dprintk("SECAM scan\n");
847 norms |= 0x18; /* L + D/K */
848 }
849 if (0 == norms)
850 norms = 0x7c; /* all */
851 dprintk("scanning:%s%s%s%s%s\n",
852 (norms & 0x04) ? " B/G" : "",
853 (norms & 0x08) ? " D/K" : "",
854 (norms & 0x10) ? " L/L'" : "",
855 (norms & 0x20) ? " I" : "",
856 (norms & 0x40) ? " M" : "");
857 }
858
859 /* kick automatic standard detection */
860 saa_dsp_writel(dev, 0x454 >> 2, 0);
861 saa_dsp_writel(dev, 0x454 >> 2, norms | 0x80);
862
863 /* setup crossbars */
864 saa_dsp_writel(dev, 0x464 >> 2, 0x000000);
865 saa_dsp_writel(dev, 0x470 >> 2, 0x101010);
866
867 if (tvaudio_sleep(dev,3000))
868 goto restart;
869 value = saa_readl(0x528 >> 2) & 0xffffff;
870
871 dprintk("tvaudio thread status: 0x%x [%s%s%s]\n",
872 value, stdres[value & 0x1f],
873 (value & 0x000020) ? ",stereo" : "",
874 (value & 0x000040) ? ",dual" : "");
875 dprintk("detailed status: "
876 "%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n",
877 (value & 0x000080) ? " A2/EIAJ pilot tone " : "",
878 (value & 0x000100) ? " A2/EIAJ dual " : "",
879 (value & 0x000200) ? " A2/EIAJ stereo " : "",
880 (value & 0x000400) ? " A2/EIAJ noise mute " : "",
881
882 (value & 0x000800) ? " BTSC/FM radio pilot " : "",
883 (value & 0x001000) ? " SAP carrier " : "",
884 (value & 0x002000) ? " BTSC stereo noise mute " : "",
885 (value & 0x004000) ? " SAP noise mute " : "",
886 (value & 0x008000) ? " VDSP " : "",
887
888 (value & 0x010000) ? " NICST " : "",
889 (value & 0x020000) ? " NICDU " : "",
890 (value & 0x040000) ? " NICAM muted " : "",
891 (value & 0x080000) ? " NICAM reserve sound " : "",
892
893 (value & 0x100000) ? " init done " : "");
894 }
895
896 done:
897 complete_and_exit(&dev->thread.exit, 0);
898 return 0;
899}
900
901/* ------------------------------------------------------------------ */
902/* common stuff + external entry points */
903
904static void saa7134_enable_i2s(struct saa7134_dev *dev)
905{
906 int i2s_format;
907
908 if (!card_is_empress(dev))
909 return;
910 i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01;
911
912 /* enable I2S audio output for the mpeg encoder */
913 saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80);
914 saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format);
915 saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F);
916 saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01);
917}
918
919int saa7134_tvaudio_rx2mode(u32 rx)
920{
921 u32 mode;
922
923 mode = V4L2_TUNER_MODE_MONO;
924 if (rx & V4L2_TUNER_SUB_STEREO)
925 mode = V4L2_TUNER_MODE_STEREO;
926 else if (rx & V4L2_TUNER_SUB_LANG1)
927 mode = V4L2_TUNER_MODE_LANG1;
928 else if (rx & V4L2_TUNER_SUB_LANG2)
929 mode = V4L2_TUNER_MODE_LANG2;
930 return mode;
931}
932
933void saa7134_tvaudio_setmute(struct saa7134_dev *dev)
934{
935 switch (dev->pci->device) {
936 case PCI_DEVICE_ID_PHILIPS_SAA7130:
937 case PCI_DEVICE_ID_PHILIPS_SAA7134:
938 mute_input_7134(dev);
939 break;
940 case PCI_DEVICE_ID_PHILIPS_SAA7133:
941 case PCI_DEVICE_ID_PHILIPS_SAA7135:
942 mute_input_7133(dev);
943 break;
944 }
945}
946
947void saa7134_tvaudio_setinput(struct saa7134_dev *dev,
948 struct saa7134_input *in)
949{
950 dev->input = in;
951 switch (dev->pci->device) {
952 case PCI_DEVICE_ID_PHILIPS_SAA7130:
953 case PCI_DEVICE_ID_PHILIPS_SAA7134:
954 mute_input_7134(dev);
955 break;
956 case PCI_DEVICE_ID_PHILIPS_SAA7133:
957 case PCI_DEVICE_ID_PHILIPS_SAA7135:
958 mute_input_7133(dev);
959 break;
960 }
961 saa7134_enable_i2s(dev);
962}
963
964void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level)
965{
966 switch (dev->pci->device) {
967 case PCI_DEVICE_ID_PHILIPS_SAA7134:
968 saa_writeb(SAA7134_CHANNEL1_LEVEL, level & 0x1f);
969 saa_writeb(SAA7134_CHANNEL2_LEVEL, level & 0x1f);
970 saa_writeb(SAA7134_NICAM_LEVEL_ADJUST, level & 0x1f);
971 break;
972 }
973}
974
975int saa7134_tvaudio_getstereo(struct saa7134_dev *dev)
976{
977 int retval = V4L2_TUNER_SUB_MONO;
978
979 switch (dev->pci->device) {
980 case PCI_DEVICE_ID_PHILIPS_SAA7134:
981 if (dev->tvaudio)
982 retval = tvaudio_getstereo(dev,dev->tvaudio);
983 break;
984 case PCI_DEVICE_ID_PHILIPS_SAA7133:
985 case PCI_DEVICE_ID_PHILIPS_SAA7135:
986 retval = getstereo_7133(dev);
987 break;
988 }
989 return retval;
990}
991
992int saa7134_tvaudio_init2(struct saa7134_dev *dev)
993{
994 DECLARE_MUTEX_LOCKED(sem);
995 int (*my_thread)(void *data) = NULL;
996
997 switch (dev->pci->device) {
998 case PCI_DEVICE_ID_PHILIPS_SAA7134:
999 my_thread = tvaudio_thread;
1000 break;
1001 case PCI_DEVICE_ID_PHILIPS_SAA7133:
1002 case PCI_DEVICE_ID_PHILIPS_SAA7135:
1003 my_thread = tvaudio_thread_ddep;
1004 break;
1005 }
1006
1007 dev->thread.pid = -1;
1008 if (my_thread) {
1009 /* start tvaudio thread */
1010 init_waitqueue_head(&dev->thread.wq);
1011 init_completion(&dev->thread.exit);
1012 dev->thread.pid = kernel_thread(my_thread,dev,0);
1013 if (dev->thread.pid < 0)
1014 printk(KERN_WARNING "%s: kernel_thread() failed\n",
1015 dev->name);
1016 saa7134_tvaudio_do_scan(dev);
1017 }
1018
1019 saa7134_enable_i2s(dev);
1020 return 0;
1021}
1022
1023int saa7134_tvaudio_fini(struct saa7134_dev *dev)
1024{
1025 /* shutdown tvaudio thread */
1026 if (dev->thread.pid >= 0) {
1027 dev->thread.shutdown = 1;
1028 wake_up_interruptible(&dev->thread.wq);
1029 wait_for_completion(&dev->thread.exit);
1030 }
1031 saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */
1032 return 0;
1033}
1034
1035int saa7134_tvaudio_do_scan(struct saa7134_dev *dev)
1036{
1037 if (dev->thread.pid >= 0) {
1038 dev->thread.mode = UNSET;
1039 dev->thread.scan2++;
1040 wake_up_interruptible(&dev->thread.wq);
1041 } else {
1042 dev->automute = 0;
1043 saa7134_tvaudio_setmute(dev);
1044 }
1045 return 0;
1046}
1047
79dd0c69 1048EXPORT_SYMBOL(saa_dsp_writel);
e9f964da 1049EXPORT_SYMBOL(saa7134_tvaudio_setmute);
79dd0c69 1050
1da177e4
LT		 1051/* ----------------------------------------------------------- */
1052/*
1053 * Local variables:
1054 * c-basic-offset: 8
1055 * End:
1056 */
79dd0c69 1057
Ubuntu Artful kernel mirror