Commit | Line | Data |
---|---|---|
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> | |
3e0e38e6 | 28 | #include <linux/kthread.h> |
1da177e4 LT |
29 | #include <linux/slab.h> |
30 | #include <linux/delay.h> | |
1da177e4 LT |
31 | #include <asm/div64.h> |
32 | ||
33 | #include "saa7134-reg.h" | |
34 | #include "saa7134.h" | |
35 | ||
36 | /* ------------------------------------------------------------------ */ | |
37 | ||
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]"); | |
41 | ||
42 | static unsigned int audio_ddep = 0; | |
43 | module_param(audio_ddep, int, 0644); | |
44 | MODULE_PARM_DESC(audio_ddep,"audio ddep overwrite"); | |
45 | ||
46 | static int audio_clock_override = UNSET; | |
47 | module_param(audio_clock_override, int, 0644); | |
48 | ||
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])"); | |
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 | ||
69 | static struct mainscan { | |
70 | char *name; | |
71 | v4l2_std_id std; | |
72 | int carr; | |
73 | } mainscan[] = { | |
74 | { | |
17b10a73 HH |
75 | .name = "MN", |
76 | .std = V4L2_STD_MN, | |
1da177e4 LT |
77 | .carr = 4500, |
78 | },{ | |
17b10a73 HH |
79 | .name = "BGH", |
80 | .std = V4L2_STD_B | V4L2_STD_GH, | |
1da177e4 LT |
81 | .carr = 5500, |
82 | },{ | |
83 | .name = "I", | |
84 | .std = V4L2_STD_PAL_I, | |
85 | .carr = 6000, | |
86 | },{ | |
87 | .name = "DKL", | |
17b10a73 | 88 | .std = V4L2_STD_DK | V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC, |
1da177e4 LT |
89 | .carr = 6500, |
90 | } | |
91 | }; | |
92 | ||
93 | static struct saa7134_tvaudio tvaudio[] = { | |
94 | { | |
95 | .name = "PAL-B/G FM-stereo", | |
17b10a73 | 96 | .std = V4L2_STD_PAL_BG, |
1da177e4 LT |
97 | .mode = TVAUDIO_FM_BG_STEREO, |
98 | .carr1 = 5500, | |
99 | .carr2 = 5742, | |
100 | },{ | |
101 | .name = "PAL-D/K1 FM-stereo", | |
17b10a73 | 102 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
103 | .carr1 = 6500, |
104 | .carr2 = 6258, | |
105 | .mode = TVAUDIO_FM_BG_STEREO, | |
106 | },{ | |
107 | .name = "PAL-D/K2 FM-stereo", | |
17b10a73 | 108 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
109 | .carr1 = 6500, |
110 | .carr2 = 6742, | |
111 | .mode = TVAUDIO_FM_BG_STEREO, | |
112 | },{ | |
113 | .name = "PAL-D/K3 FM-stereo", | |
17b10a73 | 114 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
115 | .carr1 = 6500, |
116 | .carr2 = 5742, | |
117 | .mode = TVAUDIO_FM_BG_STEREO, | |
118 | },{ | |
119 | .name = "PAL-B/G NICAM", | |
17b10a73 | 120 | .std = V4L2_STD_PAL_BG, |
1da177e4 LT |
121 | .carr1 = 5500, |
122 | .carr2 = 5850, | |
123 | .mode = TVAUDIO_NICAM_FM, | |
124 | },{ | |
125 | .name = "PAL-I NICAM", | |
17b10a73 | 126 | .std = V4L2_STD_PAL_I, |
1da177e4 LT |
127 | .carr1 = 6000, |
128 | .carr2 = 6552, | |
129 | .mode = TVAUDIO_NICAM_FM, | |
130 | },{ | |
131 | .name = "PAL-D/K NICAM", | |
17b10a73 | 132 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
133 | .carr1 = 6500, |
134 | .carr2 = 5850, | |
135 | .mode = TVAUDIO_NICAM_FM, | |
136 | },{ | |
137 | .name = "SECAM-L NICAM", | |
17b10a73 | 138 | .std = V4L2_STD_SECAM_L, |
1da177e4 LT |
139 | .carr1 = 6500, |
140 | .carr2 = 5850, | |
141 | .mode = TVAUDIO_NICAM_AM, | |
f7d66e82 | 142 | },{ |
17b10a73 HH |
143 | .name = "SECAM-D/K NICAM", |
144 | .std = V4L2_STD_SECAM_DK, | |
f7d66e82 | 145 | .carr1 = 6500, |
17b10a73 HH |
146 | .carr2 = 5850, |
147 | .mode = TVAUDIO_NICAM_FM, | |
1da177e4 | 148 | },{ |
17b10a73 HH |
149 | .name = "NTSC-A2 FM-stereo", |
150 | .std = V4L2_STD_NTSC, | |
151 | .carr1 = 4500, | |
152 | .carr2 = 4724, | |
153 | .mode = TVAUDIO_FM_K_STEREO, | |
1da177e4 LT |
154 | },{ |
155 | .name = "NTSC-M", | |
156 | .std = V4L2_STD_NTSC, | |
157 | .carr1 = 4500, | |
158 | .carr2 = -1, | |
159 | .mode = TVAUDIO_FM_MONO, | |
1da177e4 LT |
160 | } |
161 | }; | |
162 | #define TVAUDIO (sizeof(tvaudio)/sizeof(struct saa7134_tvaudio)) | |
163 | ||
164 | /* ------------------------------------------------------------------ */ | |
165 | ||
166 | static void tvaudio_init(struct saa7134_dev *dev) | |
167 | { | |
168 | int clock = saa7134_boards[dev->board].audio_clock; | |
169 | ||
170 | if (UNSET != audio_clock_override) | |
330a115a | 171 | clock = audio_clock_override; |
1da177e4 LT |
172 | |
173 | /* init all audio registers */ | |
174 | saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00); | |
175 | if (need_resched()) | |
176 | schedule(); | |
177 | else | |
178 | udelay(10); | |
179 | ||
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); | |
0f79c363 HH |
183 | /* frame locked audio is mandatory for NICAM */ |
184 | saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01); | |
1da177e4 LT |
185 | |
186 | saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14); | |
187 | saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50); | |
188 | saa_writeb(SAA7134_MONITOR_SELECT, 0xa0); | |
189 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
190 | } | |
191 | ||
192 | static u32 tvaudio_carr2reg(u32 carrier) | |
193 | { | |
194 | u64 a = carrier; | |
195 | ||
196 | a <<= 24; | |
197 | do_div(a,12288); | |
198 | return a; | |
199 | } | |
200 | ||
201 | static void tvaudio_setcarrier(struct saa7134_dev *dev, | |
202 | int primary, int secondary) | |
203 | { | |
204 | if (-1 == secondary) | |
205 | secondary = primary; | |
206 | saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary)); | |
207 | saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary)); | |
208 | } | |
209 | ||
1eaad5b1 NS |
210 | #define SAA7134_MUTE_MASK 0xbb |
211 | #define SAA7134_MUTE_ANALOG 0x04 | |
212 | #define SAA7134_MUTE_I2S 0x40 | |
213 | ||
1da177e4 LT |
214 | static void mute_input_7134(struct saa7134_dev *dev) |
215 | { | |
216 | unsigned int mute; | |
217 | struct saa7134_input *in; | |
218 | int ausel=0, ics=0, ocs=0; | |
219 | int mask; | |
220 | ||
221 | /* look what is to do ... */ | |
222 | in = dev->input; | |
223 | mute = (dev->ctl_mute || | |
224 | (dev->automute && (&card(dev).radio) != in)); | |
330a115a MCC |
225 | if (card(dev).mute.name) { |
226 | /* | |
227 | * 7130 - we'll mute using some unconnected audio input | |
228 | * 7134 - we'll probably should switch external mux with gpio | |
229 | */ | |
1da177e4 LT |
230 | if (mute) |
231 | in = &card(dev).mute; | |
232 | } | |
330a115a | 233 | |
1da177e4 | 234 | if (dev->hw_mute == mute && |
330a115a | 235 | dev->hw_input == in) { |
1da177e4 LT |
236 | dprintk("mute/input: nothing to do [mute=%d,input=%s]\n", |
237 | mute,in->name); | |
238 | return; | |
239 | } | |
240 | ||
241 | dprintk("ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n", | |
242 | dev->ctl_mute,dev->automute,dev->input->name,mute,in->name); | |
243 | dev->hw_mute = mute; | |
244 | dev->hw_input = in; | |
245 | ||
246 | if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device) | |
247 | /* 7134 mute */ | |
1eaad5b1 | 248 | saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ? |
4ac97914 | 249 | SAA7134_MUTE_MASK | |
1eaad5b1 NS |
250 | SAA7134_MUTE_ANALOG | |
251 | SAA7134_MUTE_I2S : | |
252 | SAA7134_MUTE_MASK); | |
1da177e4 LT |
253 | |
254 | /* switch internal audio mux */ | |
255 | switch (in->amux) { | |
256 | case TV: ausel=0xc0; ics=0x00; ocs=0x02; break; | |
257 | case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break; | |
258 | case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break; | |
259 | case LINE2_LEFT: ausel=0x80; ics=0x08; ocs=0x05; break; | |
260 | } | |
261 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel); | |
262 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics); | |
263 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs); | |
ac19ecc6 MCC |
264 | // for oss, we need to change the clock configuration |
265 | if (in->amux == TV) | |
266 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); | |
267 | else | |
268 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x01); | |
1da177e4 LT |
269 | |
270 | /* switch gpio-connected external audio mux */ | |
271 | if (0 == card(dev).gpiomask) | |
272 | return; | |
330a115a | 273 | |
1da177e4 LT |
274 | mask = card(dev).gpiomask; |
275 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); | |
276 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); | |
277 | saa7134_track_gpio(dev,in->name); | |
278 | } | |
279 | ||
280 | static void tvaudio_setmode(struct saa7134_dev *dev, | |
281 | struct saa7134_tvaudio *audio, | |
282 | char *note) | |
283 | { | |
284 | int acpf, tweak = 0; | |
285 | ||
286 | if (dev->tvnorm->id == V4L2_STD_NTSC) { | |
287 | acpf = 0x19066; | |
288 | } else { | |
289 | acpf = 0x1e000; | |
290 | } | |
291 | if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024) | |
292 | tweak = audio_clock_tweak; | |
293 | ||
294 | if (note) | |
295 | dprintk("tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n", | |
296 | note,audio->name, | |
297 | audio->carr1 / 1000, audio->carr1 % 1000, | |
298 | audio->carr2 / 1000, audio->carr2 % 1000, | |
299 | acpf, tweak); | |
300 | ||
301 | acpf += tweak; | |
302 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0); | |
303 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8); | |
304 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16); | |
305 | tvaudio_setcarrier(dev,audio->carr1,audio->carr2); | |
306 | ||
307 | switch (audio->mode) { | |
308 | case TVAUDIO_FM_MONO: | |
309 | case TVAUDIO_FM_BG_STEREO: | |
310 | saa_writeb(SAA7134_DEMODULATOR, 0x00); | |
311 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
312 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); | |
313 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
314 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); | |
315 | break; | |
316 | case TVAUDIO_FM_K_STEREO: | |
317 | saa_writeb(SAA7134_DEMODULATOR, 0x00); | |
318 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01); | |
319 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); | |
320 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
321 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); | |
322 | break; | |
323 | case TVAUDIO_NICAM_FM: | |
324 | saa_writeb(SAA7134_DEMODULATOR, 0x10); | |
325 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
326 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); | |
327 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); | |
328 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); | |
329 | break; | |
330 | case TVAUDIO_NICAM_AM: | |
331 | saa_writeb(SAA7134_DEMODULATOR, 0x12); | |
332 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
333 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); | |
334 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); | |
335 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); | |
336 | break; | |
337 | case TVAUDIO_FM_SAT_STEREO: | |
338 | /* not implemented (yet) */ | |
339 | break; | |
340 | } | |
341 | } | |
342 | ||
343 | static int tvaudio_sleep(struct saa7134_dev *dev, int timeout) | |
344 | { | |
3e0e38e6 CH |
345 | if (dev->thread.scan1 == dev->thread.scan2 && |
346 | !kthread_should_stop()) { | |
1da177e4 LT |
347 | if (timeout < 0) { |
348 | set_current_state(TASK_INTERRUPTIBLE); | |
349 | schedule(); | |
350 | } else { | |
8b93ec77 NA |
351 | schedule_timeout_interruptible |
352 | (msecs_to_jiffies(timeout)); | |
1da177e4 LT |
353 | } |
354 | } | |
1da177e4 LT |
355 | return dev->thread.scan1 != dev->thread.scan2; |
356 | } | |
357 | ||
358 | static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan) | |
359 | { | |
360 | __s32 left,right,value; | |
361 | ||
362 | if (audio_debug > 1) { | |
363 | int i; | |
364 | dprintk("debug %d:",scan->carr); | |
365 | for (i = -150; i <= 150; i += 30) { | |
366 | tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i); | |
367 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
368 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
369 | return -1; | |
370 | value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
371 | if (0 == i) | |
372 | printk(" # %6d # ",value >> 16); | |
373 | else | |
374 | printk(" %6d",value >> 16); | |
375 | } | |
376 | printk("\n"); | |
377 | } | |
1da177e4 LT |
378 | if (dev->tvnorm->id & scan->std) { |
379 | tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90); | |
380 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
381 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
382 | return -1; | |
383 | left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
384 | ||
385 | tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90); | |
386 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
387 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
388 | return -1; | |
389 | right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
390 | ||
391 | left >>= 16; | |
392 | right >>= 16; | |
393 | value = left > right ? left - right : right - left; | |
394 | dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n", | |
395 | scan->carr / 1000, scan->carr % 1000, | |
396 | scan->name, value, left, right); | |
397 | } else { | |
398 | value = 0; | |
399 | dprintk("skipping %d.%03d MHz [%4s]\n", | |
400 | scan->carr / 1000, scan->carr % 1000, scan->name); | |
401 | } | |
402 | return value; | |
403 | } | |
404 | ||
1da177e4 LT |
405 | |
406 | static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio) | |
407 | { | |
330a115a | 408 | __u32 idp, nicam, nicam_status; |
1da177e4 LT |
409 | int retval = -1; |
410 | ||
411 | switch (audio->mode) { | |
412 | case TVAUDIO_FM_MONO: | |
413 | return V4L2_TUNER_SUB_MONO; | |
414 | case TVAUDIO_FM_K_STEREO: | |
415 | case TVAUDIO_FM_BG_STEREO: | |
416 | idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5; | |
417 | dprintk("getstereo: fm/stereo: idp=0x%x\n",idp); | |
418 | if (0x03 == (idp & 0x03)) | |
419 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
420 | else if (0x05 == (idp & 0x05)) | |
421 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
422 | else if (0x01 == (idp & 0x01)) | |
423 | retval = V4L2_TUNER_SUB_MONO; | |
424 | break; | |
425 | case TVAUDIO_FM_SAT_STEREO: | |
426 | /* not implemented (yet) */ | |
427 | break; | |
428 | case TVAUDIO_NICAM_FM: | |
429 | case TVAUDIO_NICAM_AM: | |
330a115a | 430 | nicam = saa_readb(SAA7134_AUDIO_STATUS); |
1da177e4 | 431 | dprintk("getstereo: nicam=0x%x\n",nicam); |
330a115a MCC |
432 | if (nicam & 0x1) { |
433 | nicam_status = saa_readb(SAA7134_NICAM_STATUS); | |
434 | dprintk("getstereo: nicam_status=0x%x\n", nicam_status); | |
435 | ||
436 | switch (nicam_status & 0x03) { | |
437 | case 0x01: | |
438 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
439 | break; | |
440 | case 0x02: | |
441 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
442 | break; | |
443 | default: | |
444 | retval = V4L2_TUNER_SUB_MONO; | |
445 | } | |
446 | } else { | |
447 | /* No nicam detected */ | |
1da177e4 LT |
448 | } |
449 | break; | |
450 | } | |
451 | if (retval != -1) | |
452 | dprintk("found audio subchannels:%s%s%s%s\n", | |
453 | (retval & V4L2_TUNER_SUB_MONO) ? " mono" : "", | |
454 | (retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "", | |
455 | (retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "", | |
456 | (retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : ""); | |
457 | return retval; | |
458 | } | |
459 | ||
460 | static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio, | |
461 | u32 mode) | |
462 | { | |
463 | static char *name[] = { | |
464 | [ V4L2_TUNER_MODE_MONO ] = "mono", | |
465 | [ V4L2_TUNER_MODE_STEREO ] = "stereo", | |
466 | [ V4L2_TUNER_MODE_LANG1 ] = "lang1", | |
467 | [ V4L2_TUNER_MODE_LANG2 ] = "lang2", | |
301e22d6 | 468 | [ V4L2_TUNER_MODE_LANG1_LANG2 ] = "lang1+lang2", |
1da177e4 LT |
469 | }; |
470 | static u32 fm[] = { | |
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 */ | |
301e22d6 | 475 | [ V4L2_TUNER_MODE_LANG1_LANG2 ] = 0x80, /* auto */ |
1da177e4 LT |
476 | }; |
477 | u32 reg; | |
478 | ||
479 | switch (audio->mode) { | |
480 | case TVAUDIO_FM_MONO: | |
481 | /* nothing to do ... */ | |
482 | break; | |
483 | case TVAUDIO_FM_K_STEREO: | |
484 | case TVAUDIO_FM_BG_STEREO: | |
330a115a MCC |
485 | case TVAUDIO_NICAM_AM: |
486 | case TVAUDIO_NICAM_FM: | |
1da177e4 LT |
487 | dprintk("setstereo [fm] => %s\n", |
488 | name[ mode % ARRAY_SIZE(name) ]); | |
489 | reg = fm[ mode % ARRAY_SIZE(fm) ]; | |
490 | saa_writeb(SAA7134_FM_DEMATRIX, reg); | |
491 | break; | |
492 | case TVAUDIO_FM_SAT_STEREO: | |
330a115a | 493 | /* Not implemented */ |
1da177e4 LT |
494 | break; |
495 | } | |
496 | return 0; | |
497 | } | |
498 | ||
499 | static int tvaudio_thread(void *data) | |
500 | { | |
501 | struct saa7134_dev *dev = data; | |
502 | int carr_vals[ARRAY_SIZE(mainscan)]; | |
503 | unsigned int i, audio, nscan; | |
504 | int max1,max2,carrier,rx,mode,lastmode,default_carrier; | |
505 | ||
1da177e4 LT |
506 | allow_signal(SIGTERM); |
507 | for (;;) { | |
508 | tvaudio_sleep(dev,-1); | |
3e0e38e6 | 509 | if (kthread_should_stop() || signal_pending(current)) |
1da177e4 LT |
510 | goto done; |
511 | ||
512 | restart: | |
513 | dev->thread.scan1 = dev->thread.scan2; | |
514 | dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); | |
515 | dev->tvaudio = NULL; | |
516 | tvaudio_init(dev); | |
517 | if (dev->ctl_automute) | |
518 | dev->automute = 1; | |
519 | mute_input_7134(dev); | |
520 | ||
521 | /* give the tuner some time */ | |
522 | if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY)) | |
523 | goto restart; | |
524 | ||
525 | max1 = 0; | |
526 | max2 = 0; | |
527 | nscan = 0; | |
528 | carrier = 0; | |
529 | default_carrier = 0; | |
530 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
531 | if (!(dev->tvnorm->id & mainscan[i].std)) | |
532 | continue; | |
533 | if (!default_carrier) | |
534 | default_carrier = mainscan[i].carr; | |
535 | nscan++; | |
536 | } | |
537 | ||
538 | if (1 == nscan) { | |
539 | /* only one candidate -- skip scan ;) */ | |
17b10a73 | 540 | dprintk("only one main carrier candidate - skipping scan\n"); |
1da177e4 LT |
541 | max1 = 12345; |
542 | carrier = default_carrier; | |
543 | } else { | |
544 | /* scan for the main carrier */ | |
545 | saa_writeb(SAA7134_MONITOR_SELECT,0x00); | |
546 | tvaudio_setmode(dev,&tvaudio[0],NULL); | |
547 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
548 | carr_vals[i] = tvaudio_checkcarrier(dev, mainscan+i); | |
549 | if (dev->thread.scan1 != dev->thread.scan2) | |
550 | goto restart; | |
551 | } | |
552 | for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
553 | if (max1 < carr_vals[i]) { | |
554 | max2 = max1; | |
555 | max1 = carr_vals[i]; | |
556 | carrier = mainscan[i].carr; | |
557 | } else if (max2 < carr_vals[i]) { | |
558 | max2 = carr_vals[i]; | |
559 | } | |
560 | } | |
561 | } | |
562 | ||
563 | if (0 != carrier && max1 > 2000 && max1 > max2*3) { | |
564 | /* found good carrier */ | |
565 | dprintk("found %s main sound carrier @ %d.%03d MHz [%d/%d]\n", | |
566 | dev->tvnorm->name, carrier/1000, carrier%1000, | |
567 | max1, max2); | |
568 | dev->last_carrier = carrier; | |
569 | ||
570 | } else if (0 != dev->last_carrier) { | |
571 | /* no carrier -- try last detected one as fallback */ | |
572 | carrier = dev->last_carrier; | |
ac19ecc6 | 573 | dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, " |
1da177e4 LT |
574 | "using %d.%03d MHz [last detected]\n", |
575 | dev->name, carrier/1000, carrier%1000); | |
576 | ||
577 | } else { | |
578 | /* no carrier + no fallback -- use default */ | |
579 | carrier = default_carrier; | |
ac19ecc6 | 580 | dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, " |
1da177e4 LT |
581 | "using %d.%03d MHz [default]\n", |
582 | dev->name, carrier/1000, carrier%1000); | |
583 | } | |
584 | tvaudio_setcarrier(dev,carrier,carrier); | |
585 | dev->automute = 0; | |
586 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00); | |
587 | saa7134_tvaudio_setmute(dev); | |
1da177e4 LT |
588 | /* find the exact tv audio norm */ |
589 | for (audio = UNSET, i = 0; i < TVAUDIO; i++) { | |
590 | if (dev->tvnorm->id != UNSET && | |
330a115a | 591 | !(dev->tvnorm->id & tvaudio[i].std)) |
1da177e4 LT |
592 | continue; |
593 | if (tvaudio[i].carr1 != carrier) | |
594 | continue; | |
17b10a73 | 595 | /* Note: at least the primary carrier is right here */ |
1da177e4 LT |
596 | if (UNSET == audio) |
597 | audio = i; | |
598 | tvaudio_setmode(dev,&tvaudio[i],"trying"); | |
599 | if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY)) | |
600 | goto restart; | |
601 | if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) { | |
602 | audio = i; | |
603 | break; | |
604 | } | |
605 | } | |
606 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30); | |
607 | if (UNSET == audio) | |
608 | continue; | |
609 | tvaudio_setmode(dev,&tvaudio[audio],"using"); | |
17b10a73 | 610 | |
1da177e4 LT |
611 | tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO); |
612 | dev->tvaudio = &tvaudio[audio]; | |
613 | ||
614 | lastmode = 42; | |
615 | for (;;) { | |
616 | if (tvaudio_sleep(dev,5000)) | |
617 | goto restart; | |
3e0e38e6 | 618 | if (kthread_should_stop() || signal_pending(current)) |
1da177e4 LT |
619 | break; |
620 | if (UNSET == dev->thread.mode) { | |
621 | rx = tvaudio_getstereo(dev,&tvaudio[i]); | |
622 | mode = saa7134_tvaudio_rx2mode(rx); | |
623 | } else { | |
624 | mode = dev->thread.mode; | |
625 | } | |
626 | if (lastmode != mode) { | |
627 | tvaudio_setstereo(dev,&tvaudio[audio],mode); | |
628 | lastmode = mode; | |
629 | } | |
630 | } | |
631 | } | |
632 | ||
633 | done: | |
1da177e4 LT |
634 | return 0; |
635 | } | |
636 | ||
637 | /* ------------------------------------------------------------------ */ | |
638 | /* saa7133 / saa7135 code */ | |
639 | ||
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)", | |
645 | ||
646 | [0x04] = "B/G A2", | |
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", | |
652 | [0x0a] = "L NICAM", | |
653 | [0x0b] = "I NICAM", | |
654 | ||
655 | [0x0c] = "M Korea", | |
656 | [0x0d] = "M BTSC ", | |
657 | [0x0e] = "M EIAJ", | |
658 | ||
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", | |
663 | ||
664 | [0x13 ... 0x1e ] = "unknown", | |
665 | [0x1f] = "??? [in progress]", | |
666 | }; | |
667 | ||
668 | #define DSP_RETRY 32 | |
669 | #define DSP_DELAY 16 | |
670 | ||
671 | static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit) | |
672 | { | |
673 | int state, count = DSP_RETRY; | |
674 | ||
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 ... */ | |
679 | return -EIO; | |
680 | } | |
681 | while (0 == (state & bit)) { | |
682 | if (unlikely(0 == count)) { | |
683 | printk("%s: dsp access wait timeout [bit=%s]\n", | |
684 | dev->name, | |
685 | (bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" : | |
686 | (bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" : | |
687 | (bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" : | |
688 | "???"); | |
689 | return -EIO; | |
690 | } | |
691 | saa_wait(DSP_DELAY); | |
692 | state = saa_readb(SAA7135_DSP_RWSTATE); | |
693 | count--; | |
694 | } | |
695 | return 0; | |
696 | } | |
697 | ||
1da177e4 LT |
698 | |
699 | int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value) | |
700 | { | |
701 | int err; | |
702 | ||
703 | d2printk("dsp write reg 0x%x = 0x%06x\n",reg<<2,value); | |
704 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); | |
705 | if (err < 0) | |
706 | return err; | |
707 | saa_writel(reg,value); | |
708 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); | |
709 | if (err < 0) | |
710 | return err; | |
711 | return 0; | |
712 | } | |
713 | ||
714 | static int getstereo_7133(struct saa7134_dev *dev) | |
715 | { | |
716 | int retval = V4L2_TUNER_SUB_MONO; | |
717 | u32 value; | |
718 | ||
719 | value = saa_readl(0x528 >> 2); | |
720 | if (value & 0x20) | |
721 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
722 | if (value & 0x40) | |
723 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
724 | return retval; | |
725 | } | |
726 | ||
727 | static int mute_input_7133(struct saa7134_dev *dev) | |
728 | { | |
729 | u32 reg = 0; | |
330a115a | 730 | u32 xbarin, xbarout; |
1da177e4 | 731 | int mask; |
330a115a | 732 | struct saa7134_input *in; |
1da177e4 | 733 | |
330a115a | 734 | xbarin = 0x03; |
1da177e4 LT |
735 | switch (dev->input->amux) { |
736 | case TV: | |
737 | reg = 0x02; | |
330a115a | 738 | xbarin = 0; |
1da177e4 LT |
739 | break; |
740 | case LINE1: | |
741 | reg = 0x00; | |
742 | break; | |
743 | case LINE2: | |
744 | case LINE2_LEFT: | |
330a115a | 745 | reg = 0x09; |
1da177e4 LT |
746 | break; |
747 | } | |
330a115a MCC |
748 | saa_dsp_writel(dev, 0x464 >> 2, xbarin); |
749 | if (dev->ctl_mute) { | |
1da177e4 | 750 | reg = 0x07; |
330a115a MCC |
751 | xbarout = 0xbbbbbb; |
752 | } else | |
753 | xbarout = 0xbbbb10; | |
754 | saa_dsp_writel(dev, 0x46c >> 2, xbarout); | |
755 | ||
1da177e4 LT |
756 | saa_writel(0x594 >> 2, reg); |
757 | ||
330a115a | 758 | |
1da177e4 | 759 | /* switch gpio-connected external audio mux */ |
4ac97914 MCC |
760 | if (0 != card(dev).gpiomask) { |
761 | mask = card(dev).gpiomask; | |
330a115a MCC |
762 | |
763 | if (card(dev).mute.name && dev->ctl_mute) | |
764 | in = &card(dev).mute; | |
765 | else | |
766 | in = dev->input; | |
767 | ||
4ac97914 MCC |
768 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); |
769 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); | |
770 | saa7134_track_gpio(dev,in->name); | |
1da177e4 | 771 | } |
330a115a | 772 | |
1da177e4 LT |
773 | return 0; |
774 | } | |
775 | ||
776 | static int tvaudio_thread_ddep(void *data) | |
777 | { | |
778 | struct saa7134_dev *dev = data; | |
779 | u32 value, norms, clock; | |
780 | ||
1da177e4 LT |
781 | allow_signal(SIGTERM); |
782 | ||
783 | clock = saa7134_boards[dev->board].audio_clock; | |
784 | if (UNSET != audio_clock_override) | |
785 | clock = audio_clock_override; | |
786 | saa_writel(0x598 >> 2, clock); | |
787 | ||
788 | /* unmute */ | |
789 | saa_dsp_writel(dev, 0x474 >> 2, 0x00); | |
790 | saa_dsp_writel(dev, 0x450 >> 2, 0x00); | |
791 | ||
792 | for (;;) { | |
793 | tvaudio_sleep(dev,-1); | |
3e0e38e6 | 794 | if (kthread_should_stop() || signal_pending(current)) |
1da177e4 LT |
795 | goto done; |
796 | ||
797 | restart: | |
798 | dev->thread.scan1 = dev->thread.scan2; | |
799 | dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); | |
800 | ||
801 | if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) { | |
802 | /* insmod option override */ | |
803 | norms = (audio_ddep << 2) | 0x01; | |
804 | dprintk("ddep override: %s\n",stdres[audio_ddep]); | |
805 | } else if (&card(dev).radio == dev->input) { | |
806 | dprintk("FM Radio\n"); | |
0f79c363 HH |
807 | if (dev->tuner_type == TUNER_PHILIPS_TDA8290) { |
808 | norms = (0x11 << 2) | 0x01; | |
809 | saa_dsp_writel(dev, 0x42c >> 2, 0x729555); | |
810 | } else { | |
811 | norms = (0x0f << 2) | 0x01; | |
812 | } | |
1da177e4 LT |
813 | } else { |
814 | /* (let chip) scan for sound carrier */ | |
815 | norms = 0; | |
17b10a73 HH |
816 | if (dev->tvnorm->id & (V4L2_STD_B | V4L2_STD_GH)) |
817 | norms |= 0x04; | |
818 | if (dev->tvnorm->id & V4L2_STD_PAL_I) | |
819 | norms |= 0x20; | |
820 | if (dev->tvnorm->id & V4L2_STD_DK) | |
821 | norms |= 0x08; | |
822 | if (dev->tvnorm->id & V4L2_STD_MN) | |
823 | norms |= 0x40; | |
824 | if (dev->tvnorm->id & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) | |
825 | norms |= 0x10; | |
1da177e4 LT |
826 | if (0 == norms) |
827 | norms = 0x7c; /* all */ | |
828 | dprintk("scanning:%s%s%s%s%s\n", | |
829 | (norms & 0x04) ? " B/G" : "", | |
830 | (norms & 0x08) ? " D/K" : "", | |
831 | (norms & 0x10) ? " L/L'" : "", | |
832 | (norms & 0x20) ? " I" : "", | |
833 | (norms & 0x40) ? " M" : ""); | |
834 | } | |
835 | ||
836 | /* kick automatic standard detection */ | |
837 | saa_dsp_writel(dev, 0x454 >> 2, 0); | |
838 | saa_dsp_writel(dev, 0x454 >> 2, norms | 0x80); | |
839 | ||
840 | /* setup crossbars */ | |
841 | saa_dsp_writel(dev, 0x464 >> 2, 0x000000); | |
842 | saa_dsp_writel(dev, 0x470 >> 2, 0x101010); | |
843 | ||
844 | if (tvaudio_sleep(dev,3000)) | |
845 | goto restart; | |
846 | value = saa_readl(0x528 >> 2) & 0xffffff; | |
847 | ||
848 | dprintk("tvaudio thread status: 0x%x [%s%s%s]\n", | |
849 | value, stdres[value & 0x1f], | |
850 | (value & 0x000020) ? ",stereo" : "", | |
851 | (value & 0x000040) ? ",dual" : ""); | |
852 | dprintk("detailed status: " | |
853 | "%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n", | |
854 | (value & 0x000080) ? " A2/EIAJ pilot tone " : "", | |
855 | (value & 0x000100) ? " A2/EIAJ dual " : "", | |
856 | (value & 0x000200) ? " A2/EIAJ stereo " : "", | |
857 | (value & 0x000400) ? " A2/EIAJ noise mute " : "", | |
858 | ||
859 | (value & 0x000800) ? " BTSC/FM radio pilot " : "", | |
860 | (value & 0x001000) ? " SAP carrier " : "", | |
861 | (value & 0x002000) ? " BTSC stereo noise mute " : "", | |
862 | (value & 0x004000) ? " SAP noise mute " : "", | |
863 | (value & 0x008000) ? " VDSP " : "", | |
864 | ||
865 | (value & 0x010000) ? " NICST " : "", | |
866 | (value & 0x020000) ? " NICDU " : "", | |
867 | (value & 0x040000) ? " NICAM muted " : "", | |
868 | (value & 0x080000) ? " NICAM reserve sound " : "", | |
869 | ||
870 | (value & 0x100000) ? " init done " : ""); | |
871 | } | |
872 | ||
873 | done: | |
1da177e4 LT |
874 | return 0; |
875 | } | |
876 | ||
877 | /* ------------------------------------------------------------------ */ | |
878 | /* common stuff + external entry points */ | |
879 | ||
880 | static void saa7134_enable_i2s(struct saa7134_dev *dev) | |
881 | { | |
882 | int i2s_format; | |
883 | ||
884 | if (!card_is_empress(dev)) | |
885 | return; | |
886 | i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01; | |
887 | ||
888 | /* enable I2S audio output for the mpeg encoder */ | |
889 | saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80); | |
890 | saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format); | |
891 | saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F); | |
892 | saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01); | |
893 | } | |
894 | ||
895 | int saa7134_tvaudio_rx2mode(u32 rx) | |
896 | { | |
897 | u32 mode; | |
898 | ||
899 | mode = V4L2_TUNER_MODE_MONO; | |
900 | if (rx & V4L2_TUNER_SUB_STEREO) | |
901 | mode = V4L2_TUNER_MODE_STEREO; | |
902 | else if (rx & V4L2_TUNER_SUB_LANG1) | |
903 | mode = V4L2_TUNER_MODE_LANG1; | |
904 | else if (rx & V4L2_TUNER_SUB_LANG2) | |
905 | mode = V4L2_TUNER_MODE_LANG2; | |
906 | return mode; | |
907 | } | |
908 | ||
909 | void saa7134_tvaudio_setmute(struct saa7134_dev *dev) | |
910 | { | |
911 | switch (dev->pci->device) { | |
912 | case PCI_DEVICE_ID_PHILIPS_SAA7130: | |
913 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
914 | mute_input_7134(dev); | |
915 | break; | |
916 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
917 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
918 | mute_input_7133(dev); | |
919 | break; | |
920 | } | |
921 | } | |
922 | ||
923 | void saa7134_tvaudio_setinput(struct saa7134_dev *dev, | |
924 | struct saa7134_input *in) | |
925 | { | |
926 | dev->input = in; | |
927 | switch (dev->pci->device) { | |
928 | case PCI_DEVICE_ID_PHILIPS_SAA7130: | |
929 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
930 | mute_input_7134(dev); | |
931 | break; | |
932 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
933 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
934 | mute_input_7133(dev); | |
935 | break; | |
936 | } | |
937 | saa7134_enable_i2s(dev); | |
938 | } | |
939 | ||
940 | void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level) | |
941 | { | |
942 | switch (dev->pci->device) { | |
943 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
944 | saa_writeb(SAA7134_CHANNEL1_LEVEL, level & 0x1f); | |
945 | saa_writeb(SAA7134_CHANNEL2_LEVEL, level & 0x1f); | |
946 | saa_writeb(SAA7134_NICAM_LEVEL_ADJUST, level & 0x1f); | |
947 | break; | |
948 | } | |
949 | } | |
950 | ||
951 | int saa7134_tvaudio_getstereo(struct saa7134_dev *dev) | |
952 | { | |
953 | int retval = V4L2_TUNER_SUB_MONO; | |
954 | ||
955 | switch (dev->pci->device) { | |
956 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
957 | if (dev->tvaudio) | |
958 | retval = tvaudio_getstereo(dev,dev->tvaudio); | |
959 | break; | |
960 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
961 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
962 | retval = getstereo_7133(dev); | |
963 | break; | |
964 | } | |
965 | return retval; | |
966 | } | |
967 | ||
968 | int saa7134_tvaudio_init2(struct saa7134_dev *dev) | |
969 | { | |
1da177e4 LT |
970 | int (*my_thread)(void *data) = NULL; |
971 | ||
972 | switch (dev->pci->device) { | |
973 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
974 | my_thread = tvaudio_thread; | |
975 | break; | |
976 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
977 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
978 | my_thread = tvaudio_thread_ddep; | |
979 | break; | |
980 | } | |
981 | ||
3e0e38e6 | 982 | dev->thread.thread = NULL; |
1da177e4 LT |
983 | if (my_thread) { |
984 | /* start tvaudio thread */ | |
3e0e38e6 CH |
985 | dev->thread.thread = kthread_run(my_thread, dev, "%s", dev->name); |
986 | if (IS_ERR(dev->thread.thread)) { | |
1da177e4 LT |
987 | printk(KERN_WARNING "%s: kernel_thread() failed\n", |
988 | dev->name); | |
3e0e38e6 CH |
989 | /* XXX: missing error handling here */ |
990 | } | |
1da177e4 LT |
991 | saa7134_tvaudio_do_scan(dev); |
992 | } | |
993 | ||
994 | saa7134_enable_i2s(dev); | |
995 | return 0; | |
996 | } | |
997 | ||
998 | int saa7134_tvaudio_fini(struct saa7134_dev *dev) | |
999 | { | |
1000 | /* shutdown tvaudio thread */ | |
3e0e38e6 CH |
1001 | if (dev->thread.thread) |
1002 | kthread_stop(dev->thread.thread); | |
1003 | ||
1da177e4 LT |
1004 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */ |
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | int saa7134_tvaudio_do_scan(struct saa7134_dev *dev) | |
1009 | { | |
17b10a73 HH |
1010 | if (dev->input->amux != TV) { |
1011 | dprintk("sound IF not in use, skipping scan\n"); | |
1012 | dev->automute = 0; | |
1013 | saa7134_tvaudio_setmute(dev); | |
3e0e38e6 | 1014 | } else if (dev->thread.thread) { |
1da177e4 LT |
1015 | dev->thread.mode = UNSET; |
1016 | dev->thread.scan2++; | |
3e0e38e6 | 1017 | wake_up_process(dev->thread.thread); |
1da177e4 LT |
1018 | } else { |
1019 | dev->automute = 0; | |
1020 | saa7134_tvaudio_setmute(dev); | |
1021 | } | |
1022 | return 0; | |
1023 | } | |
1024 | ||
79dd0c69 | 1025 | EXPORT_SYMBOL(saa_dsp_writel); |
e9f964da | 1026 | EXPORT_SYMBOL(saa7134_tvaudio_setmute); |
79dd0c69 | 1027 | |
1da177e4 LT |
1028 | /* ----------------------------------------------------------- */ |
1029 | /* | |
1030 | * Local variables: | |
1031 | * c-basic-offset: 8 | |
1032 | * End: | |
1033 | */ |