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Commit | Line | Data |
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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> | |
1da177e4 | 26 | #include <linux/kernel.h> |
3e0e38e6 | 27 | #include <linux/kthread.h> |
1da177e4 LT |
28 | #include <linux/slab.h> |
29 | #include <linux/delay.h> | |
ea63d0b1 | 30 | #include <linux/freezer.h> |
1da177e4 LT |
31 | #include <asm/div64.h> |
32 | ||
33 | #include "saa7134-reg.h" | |
34 | #include "saa7134.h" | |
35 | ||
36 | /* ------------------------------------------------------------------ */ | |
37 | ||
ff699e6b | 38 | static unsigned int audio_debug; |
1da177e4 LT |
39 | module_param(audio_debug, int, 0644); |
40 | MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]"); | |
41 | ||
ff699e6b | 42 | static unsigned int audio_ddep; |
1da177e4 LT |
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 | ||
ff699e6b | 49 | static int audio_clock_tweak; |
1da177e4 LT |
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 | ||
1da177e4 LT |
166 | static u32 tvaudio_carr2reg(u32 carrier) |
167 | { | |
168 | u64 a = carrier; | |
169 | ||
170 | a <<= 24; | |
171 | do_div(a,12288); | |
172 | return a; | |
173 | } | |
174 | ||
175 | static void tvaudio_setcarrier(struct saa7134_dev *dev, | |
176 | int primary, int secondary) | |
177 | { | |
178 | if (-1 == secondary) | |
179 | secondary = primary; | |
180 | saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary)); | |
181 | saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary)); | |
182 | } | |
183 | ||
1eaad5b1 NS |
184 | #define SAA7134_MUTE_MASK 0xbb |
185 | #define SAA7134_MUTE_ANALOG 0x04 | |
186 | #define SAA7134_MUTE_I2S 0x40 | |
187 | ||
1da177e4 LT |
188 | static void mute_input_7134(struct saa7134_dev *dev) |
189 | { | |
190 | unsigned int mute; | |
191 | struct saa7134_input *in; | |
192 | int ausel=0, ics=0, ocs=0; | |
193 | int mask; | |
194 | ||
195 | /* look what is to do ... */ | |
196 | in = dev->input; | |
197 | mute = (dev->ctl_mute || | |
198 | (dev->automute && (&card(dev).radio) != in)); | |
330a115a MCC |
199 | if (card(dev).mute.name) { |
200 | /* | |
201 | * 7130 - we'll mute using some unconnected audio input | |
202 | * 7134 - we'll probably should switch external mux with gpio | |
203 | */ | |
1da177e4 LT |
204 | if (mute) |
205 | in = &card(dev).mute; | |
206 | } | |
330a115a | 207 | |
1da177e4 | 208 | if (dev->hw_mute == mute && |
c458473e | 209 | dev->hw_input == in && !dev->insuspend) { |
1da177e4 LT |
210 | dprintk("mute/input: nothing to do [mute=%d,input=%s]\n", |
211 | mute,in->name); | |
212 | return; | |
213 | } | |
214 | ||
215 | dprintk("ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n", | |
216 | dev->ctl_mute,dev->automute,dev->input->name,mute,in->name); | |
217 | dev->hw_mute = mute; | |
218 | dev->hw_input = in; | |
219 | ||
220 | if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device) | |
221 | /* 7134 mute */ | |
1eaad5b1 | 222 | saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ? |
4ac97914 | 223 | SAA7134_MUTE_MASK | |
1eaad5b1 NS |
224 | SAA7134_MUTE_ANALOG | |
225 | SAA7134_MUTE_I2S : | |
226 | SAA7134_MUTE_MASK); | |
1da177e4 LT |
227 | |
228 | /* switch internal audio mux */ | |
229 | switch (in->amux) { | |
230 | case TV: ausel=0xc0; ics=0x00; ocs=0x02; break; | |
231 | case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break; | |
232 | case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break; | |
233 | case LINE2_LEFT: ausel=0x80; ics=0x08; ocs=0x05; break; | |
234 | } | |
235 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel); | |
236 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics); | |
237 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs); | |
ac19ecc6 MCC |
238 | // for oss, we need to change the clock configuration |
239 | if (in->amux == TV) | |
240 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); | |
241 | else | |
242 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x01); | |
1da177e4 LT |
243 | |
244 | /* switch gpio-connected external audio mux */ | |
245 | if (0 == card(dev).gpiomask) | |
246 | return; | |
330a115a | 247 | |
1da177e4 LT |
248 | mask = card(dev).gpiomask; |
249 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); | |
250 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); | |
251 | saa7134_track_gpio(dev,in->name); | |
252 | } | |
253 | ||
254 | static void tvaudio_setmode(struct saa7134_dev *dev, | |
255 | struct saa7134_tvaudio *audio, | |
256 | char *note) | |
257 | { | |
258 | int acpf, tweak = 0; | |
259 | ||
260 | if (dev->tvnorm->id == V4L2_STD_NTSC) { | |
261 | acpf = 0x19066; | |
262 | } else { | |
263 | acpf = 0x1e000; | |
264 | } | |
265 | if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024) | |
266 | tweak = audio_clock_tweak; | |
267 | ||
268 | if (note) | |
269 | dprintk("tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n", | |
270 | note,audio->name, | |
271 | audio->carr1 / 1000, audio->carr1 % 1000, | |
272 | audio->carr2 / 1000, audio->carr2 % 1000, | |
273 | acpf, tweak); | |
274 | ||
275 | acpf += tweak; | |
276 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0); | |
277 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8); | |
278 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16); | |
279 | tvaudio_setcarrier(dev,audio->carr1,audio->carr2); | |
280 | ||
281 | switch (audio->mode) { | |
282 | case TVAUDIO_FM_MONO: | |
283 | case TVAUDIO_FM_BG_STEREO: | |
284 | saa_writeb(SAA7134_DEMODULATOR, 0x00); | |
285 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
286 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); | |
287 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
288 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); | |
289 | break; | |
290 | case TVAUDIO_FM_K_STEREO: | |
291 | saa_writeb(SAA7134_DEMODULATOR, 0x00); | |
292 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01); | |
293 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); | |
294 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
295 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); | |
296 | break; | |
297 | case TVAUDIO_NICAM_FM: | |
298 | saa_writeb(SAA7134_DEMODULATOR, 0x10); | |
299 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
300 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); | |
301 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); | |
302 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); | |
303 | break; | |
304 | case TVAUDIO_NICAM_AM: | |
305 | saa_writeb(SAA7134_DEMODULATOR, 0x12); | |
306 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
307 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); | |
308 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); | |
309 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); | |
310 | break; | |
311 | case TVAUDIO_FM_SAT_STEREO: | |
312 | /* not implemented (yet) */ | |
313 | break; | |
314 | } | |
315 | } | |
316 | ||
317 | static int tvaudio_sleep(struct saa7134_dev *dev, int timeout) | |
318 | { | |
3e0e38e6 CH |
319 | if (dev->thread.scan1 == dev->thread.scan2 && |
320 | !kthread_should_stop()) { | |
1da177e4 LT |
321 | if (timeout < 0) { |
322 | set_current_state(TASK_INTERRUPTIBLE); | |
323 | schedule(); | |
324 | } else { | |
8b93ec77 NA |
325 | schedule_timeout_interruptible |
326 | (msecs_to_jiffies(timeout)); | |
1da177e4 LT |
327 | } |
328 | } | |
1da177e4 LT |
329 | return dev->thread.scan1 != dev->thread.scan2; |
330 | } | |
331 | ||
332 | static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan) | |
333 | { | |
334 | __s32 left,right,value; | |
335 | ||
336 | if (audio_debug > 1) { | |
337 | int i; | |
338 | dprintk("debug %d:",scan->carr); | |
339 | for (i = -150; i <= 150; i += 30) { | |
340 | tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i); | |
341 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
342 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
343 | return -1; | |
344 | value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
345 | if (0 == i) | |
346 | printk(" # %6d # ",value >> 16); | |
347 | else | |
348 | printk(" %6d",value >> 16); | |
349 | } | |
350 | printk("\n"); | |
351 | } | |
1da177e4 LT |
352 | if (dev->tvnorm->id & scan->std) { |
353 | tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90); | |
354 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
355 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
356 | return -1; | |
357 | left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
358 | ||
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)) | |
362 | return -1; | |
363 | right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
364 | ||
365 | left >>= 16; | |
366 | right >>= 16; | |
367 | value = left > right ? left - right : right - left; | |
368 | dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n", | |
369 | scan->carr / 1000, scan->carr % 1000, | |
370 | scan->name, value, left, right); | |
371 | } else { | |
372 | value = 0; | |
373 | dprintk("skipping %d.%03d MHz [%4s]\n", | |
374 | scan->carr / 1000, scan->carr % 1000, scan->name); | |
375 | } | |
376 | return value; | |
377 | } | |
378 | ||
1da177e4 LT |
379 | |
380 | static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio) | |
381 | { | |
330a115a | 382 | __u32 idp, nicam, nicam_status; |
1da177e4 LT |
383 | int retval = -1; |
384 | ||
385 | switch (audio->mode) { | |
386 | case TVAUDIO_FM_MONO: | |
387 | return V4L2_TUNER_SUB_MONO; | |
388 | case TVAUDIO_FM_K_STEREO: | |
389 | case TVAUDIO_FM_BG_STEREO: | |
390 | idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5; | |
391 | dprintk("getstereo: fm/stereo: idp=0x%x\n",idp); | |
392 | if (0x03 == (idp & 0x03)) | |
393 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
394 | else if (0x05 == (idp & 0x05)) | |
395 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
396 | else if (0x01 == (idp & 0x01)) | |
397 | retval = V4L2_TUNER_SUB_MONO; | |
398 | break; | |
399 | case TVAUDIO_FM_SAT_STEREO: | |
400 | /* not implemented (yet) */ | |
401 | break; | |
402 | case TVAUDIO_NICAM_FM: | |
403 | case TVAUDIO_NICAM_AM: | |
330a115a | 404 | nicam = saa_readb(SAA7134_AUDIO_STATUS); |
1da177e4 | 405 | dprintk("getstereo: nicam=0x%x\n",nicam); |
330a115a MCC |
406 | if (nicam & 0x1) { |
407 | nicam_status = saa_readb(SAA7134_NICAM_STATUS); | |
408 | dprintk("getstereo: nicam_status=0x%x\n", nicam_status); | |
409 | ||
410 | switch (nicam_status & 0x03) { | |
411 | case 0x01: | |
412 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
413 | break; | |
414 | case 0x02: | |
415 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
416 | break; | |
417 | default: | |
418 | retval = V4L2_TUNER_SUB_MONO; | |
419 | } | |
420 | } else { | |
421 | /* No nicam detected */ | |
1da177e4 LT |
422 | } |
423 | break; | |
424 | } | |
425 | if (retval != -1) | |
426 | dprintk("found audio subchannels:%s%s%s%s\n", | |
427 | (retval & V4L2_TUNER_SUB_MONO) ? " mono" : "", | |
428 | (retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "", | |
429 | (retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "", | |
430 | (retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : ""); | |
431 | return retval; | |
432 | } | |
433 | ||
434 | static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio, | |
435 | u32 mode) | |
436 | { | |
437 | static char *name[] = { | |
438 | [ V4L2_TUNER_MODE_MONO ] = "mono", | |
439 | [ V4L2_TUNER_MODE_STEREO ] = "stereo", | |
440 | [ V4L2_TUNER_MODE_LANG1 ] = "lang1", | |
441 | [ V4L2_TUNER_MODE_LANG2 ] = "lang2", | |
301e22d6 | 442 | [ V4L2_TUNER_MODE_LANG1_LANG2 ] = "lang1+lang2", |
1da177e4 LT |
443 | }; |
444 | static u32 fm[] = { | |
445 | [ V4L2_TUNER_MODE_MONO ] = 0x00, /* ch1 */ | |
446 | [ V4L2_TUNER_MODE_STEREO ] = 0x80, /* auto */ | |
447 | [ V4L2_TUNER_MODE_LANG1 ] = 0x00, /* ch1 */ | |
448 | [ V4L2_TUNER_MODE_LANG2 ] = 0x01, /* ch2 */ | |
301e22d6 | 449 | [ V4L2_TUNER_MODE_LANG1_LANG2 ] = 0x80, /* auto */ |
1da177e4 LT |
450 | }; |
451 | u32 reg; | |
452 | ||
453 | switch (audio->mode) { | |
454 | case TVAUDIO_FM_MONO: | |
455 | /* nothing to do ... */ | |
456 | break; | |
457 | case TVAUDIO_FM_K_STEREO: | |
458 | case TVAUDIO_FM_BG_STEREO: | |
330a115a MCC |
459 | case TVAUDIO_NICAM_AM: |
460 | case TVAUDIO_NICAM_FM: | |
1da177e4 LT |
461 | dprintk("setstereo [fm] => %s\n", |
462 | name[ mode % ARRAY_SIZE(name) ]); | |
463 | reg = fm[ mode % ARRAY_SIZE(fm) ]; | |
464 | saa_writeb(SAA7134_FM_DEMATRIX, reg); | |
465 | break; | |
466 | case TVAUDIO_FM_SAT_STEREO: | |
330a115a | 467 | /* Not implemented */ |
1da177e4 LT |
468 | break; |
469 | } | |
470 | return 0; | |
471 | } | |
472 | ||
473 | static int tvaudio_thread(void *data) | |
474 | { | |
475 | struct saa7134_dev *dev = data; | |
476 | int carr_vals[ARRAY_SIZE(mainscan)]; | |
477 | unsigned int i, audio, nscan; | |
478 | int max1,max2,carrier,rx,mode,lastmode,default_carrier; | |
479 | ||
ea63d0b1 ML |
480 | |
481 | set_freezable(); | |
482 | ||
1da177e4 LT |
483 | for (;;) { |
484 | tvaudio_sleep(dev,-1); | |
ea63d0b1 | 485 | if (kthread_should_stop()) |
1da177e4 LT |
486 | goto done; |
487 | ||
488 | restart: | |
ea63d0b1 ML |
489 | try_to_freeze(); |
490 | ||
1da177e4 LT |
491 | dev->thread.scan1 = dev->thread.scan2; |
492 | dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); | |
493 | dev->tvaudio = NULL; | |
f36224d3 ML |
494 | |
495 | saa_writeb(SAA7134_MONITOR_SELECT, 0xa0); | |
496 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
497 | ||
1da177e4 LT |
498 | if (dev->ctl_automute) |
499 | dev->automute = 1; | |
f36224d3 | 500 | |
1da177e4 LT |
501 | mute_input_7134(dev); |
502 | ||
503 | /* give the tuner some time */ | |
504 | if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY)) | |
505 | goto restart; | |
506 | ||
507 | max1 = 0; | |
508 | max2 = 0; | |
509 | nscan = 0; | |
510 | carrier = 0; | |
511 | default_carrier = 0; | |
512 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
513 | if (!(dev->tvnorm->id & mainscan[i].std)) | |
514 | continue; | |
515 | if (!default_carrier) | |
516 | default_carrier = mainscan[i].carr; | |
517 | nscan++; | |
518 | } | |
519 | ||
520 | if (1 == nscan) { | |
521 | /* only one candidate -- skip scan ;) */ | |
17b10a73 | 522 | dprintk("only one main carrier candidate - skipping scan\n"); |
1da177e4 LT |
523 | max1 = 12345; |
524 | carrier = default_carrier; | |
525 | } else { | |
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) | |
532 | goto restart; | |
533 | } | |
534 | for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
535 | if (max1 < carr_vals[i]) { | |
536 | max2 = max1; | |
537 | max1 = carr_vals[i]; | |
538 | carrier = mainscan[i].carr; | |
539 | } else if (max2 < carr_vals[i]) { | |
540 | max2 = carr_vals[i]; | |
541 | } | |
542 | } | |
543 | } | |
544 | ||
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, | |
549 | max1, max2); | |
550 | dev->last_carrier = carrier; | |
551 | ||
552 | } else if (0 != dev->last_carrier) { | |
553 | /* no carrier -- try last detected one as fallback */ | |
554 | carrier = dev->last_carrier; | |
ac19ecc6 | 555 | dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, " |
1da177e4 LT |
556 | "using %d.%03d MHz [last detected]\n", |
557 | dev->name, carrier/1000, carrier%1000); | |
558 | ||
559 | } else { | |
560 | /* no carrier + no fallback -- use default */ | |
561 | carrier = default_carrier; | |
ac19ecc6 | 562 | dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, " |
1da177e4 LT |
563 | "using %d.%03d MHz [default]\n", |
564 | dev->name, carrier/1000, carrier%1000); | |
565 | } | |
566 | tvaudio_setcarrier(dev,carrier,carrier); | |
567 | dev->automute = 0; | |
568 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00); | |
569 | saa7134_tvaudio_setmute(dev); | |
1da177e4 LT |
570 | /* find the exact tv audio norm */ |
571 | for (audio = UNSET, i = 0; i < TVAUDIO; i++) { | |
572 | if (dev->tvnorm->id != UNSET && | |
330a115a | 573 | !(dev->tvnorm->id & tvaudio[i].std)) |
1da177e4 LT |
574 | continue; |
575 | if (tvaudio[i].carr1 != carrier) | |
576 | continue; | |
17b10a73 | 577 | /* Note: at least the primary carrier is right here */ |
1da177e4 LT |
578 | if (UNSET == audio) |
579 | audio = i; | |
580 | tvaudio_setmode(dev,&tvaudio[i],"trying"); | |
581 | if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY)) | |
582 | goto restart; | |
583 | if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) { | |
584 | audio = i; | |
585 | break; | |
586 | } | |
587 | } | |
588 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30); | |
589 | if (UNSET == audio) | |
590 | continue; | |
591 | tvaudio_setmode(dev,&tvaudio[audio],"using"); | |
17b10a73 | 592 | |
1da177e4 LT |
593 | tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO); |
594 | dev->tvaudio = &tvaudio[audio]; | |
595 | ||
596 | lastmode = 42; | |
597 | for (;;) { | |
ea63d0b1 ML |
598 | |
599 | try_to_freeze(); | |
600 | ||
1da177e4 LT |
601 | if (tvaudio_sleep(dev,5000)) |
602 | goto restart; | |
ea63d0b1 | 603 | if (kthread_should_stop()) |
1da177e4 LT |
604 | break; |
605 | if (UNSET == dev->thread.mode) { | |
606 | rx = tvaudio_getstereo(dev,&tvaudio[i]); | |
607 | mode = saa7134_tvaudio_rx2mode(rx); | |
608 | } else { | |
609 | mode = dev->thread.mode; | |
610 | } | |
611 | if (lastmode != mode) { | |
612 | tvaudio_setstereo(dev,&tvaudio[audio],mode); | |
613 | lastmode = mode; | |
614 | } | |
615 | } | |
616 | } | |
617 | ||
618 | done: | |
ea63d0b1 | 619 | dev->thread.stopped = 1; |
1da177e4 LT |
620 | return 0; |
621 | } | |
622 | ||
623 | /* ------------------------------------------------------------------ */ | |
624 | /* saa7133 / saa7135 code */ | |
625 | ||
626 | static char *stdres[0x20] = { | |
627 | [0x00] = "no standard detected", | |
628 | [0x01] = "B/G (in progress)", | |
629 | [0x02] = "D/K (in progress)", | |
630 | [0x03] = "M (in progress)", | |
631 | ||
632 | [0x04] = "B/G A2", | |
633 | [0x05] = "B/G NICAM", | |
634 | [0x06] = "D/K A2 (1)", | |
635 | [0x07] = "D/K A2 (2)", | |
636 | [0x08] = "D/K A2 (3)", | |
637 | [0x09] = "D/K NICAM", | |
638 | [0x0a] = "L NICAM", | |
639 | [0x0b] = "I NICAM", | |
640 | ||
641 | [0x0c] = "M Korea", | |
642 | [0x0d] = "M BTSC ", | |
643 | [0x0e] = "M EIAJ", | |
644 | ||
645 | [0x0f] = "FM radio / IF 10.7 / 50 deemp", | |
646 | [0x10] = "FM radio / IF 10.7 / 75 deemp", | |
647 | [0x11] = "FM radio / IF sel / 50 deemp", | |
648 | [0x12] = "FM radio / IF sel / 75 deemp", | |
649 | ||
650 | [0x13 ... 0x1e ] = "unknown", | |
651 | [0x1f] = "??? [in progress]", | |
652 | }; | |
653 | ||
654 | #define DSP_RETRY 32 | |
655 | #define DSP_DELAY 16 | |
656 | ||
657 | static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit) | |
658 | { | |
659 | int state, count = DSP_RETRY; | |
660 | ||
661 | state = saa_readb(SAA7135_DSP_RWSTATE); | |
662 | if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) { | |
663 | printk("%s: dsp access error\n",dev->name); | |
664 | /* FIXME: send ack ... */ | |
665 | return -EIO; | |
666 | } | |
667 | while (0 == (state & bit)) { | |
668 | if (unlikely(0 == count)) { | |
669 | printk("%s: dsp access wait timeout [bit=%s]\n", | |
670 | dev->name, | |
671 | (bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" : | |
672 | (bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" : | |
673 | (bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" : | |
674 | "???"); | |
675 | return -EIO; | |
676 | } | |
677 | saa_wait(DSP_DELAY); | |
678 | state = saa_readb(SAA7135_DSP_RWSTATE); | |
679 | count--; | |
680 | } | |
681 | return 0; | |
682 | } | |
683 | ||
1da177e4 LT |
684 | |
685 | int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value) | |
686 | { | |
687 | int err; | |
688 | ||
689 | d2printk("dsp write reg 0x%x = 0x%06x\n",reg<<2,value); | |
690 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); | |
691 | if (err < 0) | |
692 | return err; | |
693 | saa_writel(reg,value); | |
694 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); | |
695 | if (err < 0) | |
696 | return err; | |
697 | return 0; | |
698 | } | |
699 | ||
700 | static int getstereo_7133(struct saa7134_dev *dev) | |
701 | { | |
702 | int retval = V4L2_TUNER_SUB_MONO; | |
703 | u32 value; | |
704 | ||
705 | value = saa_readl(0x528 >> 2); | |
706 | if (value & 0x20) | |
707 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
708 | if (value & 0x40) | |
709 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
710 | return retval; | |
711 | } | |
712 | ||
713 | static int mute_input_7133(struct saa7134_dev *dev) | |
714 | { | |
715 | u32 reg = 0; | |
330a115a | 716 | u32 xbarin, xbarout; |
1da177e4 | 717 | int mask; |
330a115a | 718 | struct saa7134_input *in; |
1da177e4 | 719 | |
330a115a | 720 | xbarin = 0x03; |
1da177e4 LT |
721 | switch (dev->input->amux) { |
722 | case TV: | |
723 | reg = 0x02; | |
330a115a | 724 | xbarin = 0; |
1da177e4 LT |
725 | break; |
726 | case LINE1: | |
727 | reg = 0x00; | |
728 | break; | |
729 | case LINE2: | |
730 | case LINE2_LEFT: | |
330a115a | 731 | reg = 0x09; |
1da177e4 LT |
732 | break; |
733 | } | |
330a115a MCC |
734 | saa_dsp_writel(dev, 0x464 >> 2, xbarin); |
735 | if (dev->ctl_mute) { | |
1da177e4 | 736 | reg = 0x07; |
330a115a MCC |
737 | xbarout = 0xbbbbbb; |
738 | } else | |
739 | xbarout = 0xbbbb10; | |
740 | saa_dsp_writel(dev, 0x46c >> 2, xbarout); | |
741 | ||
1da177e4 LT |
742 | saa_writel(0x594 >> 2, reg); |
743 | ||
330a115a | 744 | |
1da177e4 | 745 | /* switch gpio-connected external audio mux */ |
4ac97914 MCC |
746 | if (0 != card(dev).gpiomask) { |
747 | mask = card(dev).gpiomask; | |
330a115a MCC |
748 | |
749 | if (card(dev).mute.name && dev->ctl_mute) | |
750 | in = &card(dev).mute; | |
751 | else | |
752 | in = dev->input; | |
753 | ||
4ac97914 MCC |
754 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); |
755 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); | |
756 | saa7134_track_gpio(dev,in->name); | |
1da177e4 | 757 | } |
330a115a | 758 | |
1da177e4 LT |
759 | return 0; |
760 | } | |
761 | ||
762 | static int tvaudio_thread_ddep(void *data) | |
763 | { | |
764 | struct saa7134_dev *dev = data; | |
f36224d3 | 765 | u32 value, norms; |
1da177e4 | 766 | |
ea63d0b1 ML |
767 | |
768 | set_freezable(); | |
1da177e4 LT |
769 | for (;;) { |
770 | tvaudio_sleep(dev,-1); | |
ea63d0b1 | 771 | if (kthread_should_stop()) |
1da177e4 | 772 | goto done; |
1da177e4 | 773 | restart: |
ea63d0b1 ML |
774 | try_to_freeze(); |
775 | ||
1da177e4 LT |
776 | dev->thread.scan1 = dev->thread.scan2; |
777 | dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); | |
778 | ||
779 | if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) { | |
780 | /* insmod option override */ | |
781 | norms = (audio_ddep << 2) | 0x01; | |
782 | dprintk("ddep override: %s\n",stdres[audio_ddep]); | |
783 | } else if (&card(dev).radio == dev->input) { | |
784 | dprintk("FM Radio\n"); | |
0f79c363 HH |
785 | if (dev->tuner_type == TUNER_PHILIPS_TDA8290) { |
786 | norms = (0x11 << 2) | 0x01; | |
787 | saa_dsp_writel(dev, 0x42c >> 2, 0x729555); | |
788 | } else { | |
789 | norms = (0x0f << 2) | 0x01; | |
790 | } | |
1da177e4 LT |
791 | } else { |
792 | /* (let chip) scan for sound carrier */ | |
793 | norms = 0; | |
17b10a73 HH |
794 | if (dev->tvnorm->id & (V4L2_STD_B | V4L2_STD_GH)) |
795 | norms |= 0x04; | |
796 | if (dev->tvnorm->id & V4L2_STD_PAL_I) | |
797 | norms |= 0x20; | |
798 | if (dev->tvnorm->id & V4L2_STD_DK) | |
799 | norms |= 0x08; | |
800 | if (dev->tvnorm->id & V4L2_STD_MN) | |
801 | norms |= 0x40; | |
802 | if (dev->tvnorm->id & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) | |
803 | norms |= 0x10; | |
1da177e4 LT |
804 | if (0 == norms) |
805 | norms = 0x7c; /* all */ | |
806 | dprintk("scanning:%s%s%s%s%s\n", | |
807 | (norms & 0x04) ? " B/G" : "", | |
808 | (norms & 0x08) ? " D/K" : "", | |
809 | (norms & 0x10) ? " L/L'" : "", | |
810 | (norms & 0x20) ? " I" : "", | |
811 | (norms & 0x40) ? " M" : ""); | |
812 | } | |
813 | ||
814 | /* kick automatic standard detection */ | |
815 | saa_dsp_writel(dev, 0x454 >> 2, 0); | |
816 | saa_dsp_writel(dev, 0x454 >> 2, norms | 0x80); | |
817 | ||
818 | /* setup crossbars */ | |
819 | saa_dsp_writel(dev, 0x464 >> 2, 0x000000); | |
820 | saa_dsp_writel(dev, 0x470 >> 2, 0x101010); | |
821 | ||
822 | if (tvaudio_sleep(dev,3000)) | |
823 | goto restart; | |
824 | value = saa_readl(0x528 >> 2) & 0xffffff; | |
825 | ||
826 | dprintk("tvaudio thread status: 0x%x [%s%s%s]\n", | |
827 | value, stdres[value & 0x1f], | |
828 | (value & 0x000020) ? ",stereo" : "", | |
829 | (value & 0x000040) ? ",dual" : ""); | |
830 | dprintk("detailed status: " | |
831 | "%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n", | |
832 | (value & 0x000080) ? " A2/EIAJ pilot tone " : "", | |
833 | (value & 0x000100) ? " A2/EIAJ dual " : "", | |
834 | (value & 0x000200) ? " A2/EIAJ stereo " : "", | |
835 | (value & 0x000400) ? " A2/EIAJ noise mute " : "", | |
836 | ||
837 | (value & 0x000800) ? " BTSC/FM radio pilot " : "", | |
838 | (value & 0x001000) ? " SAP carrier " : "", | |
839 | (value & 0x002000) ? " BTSC stereo noise mute " : "", | |
840 | (value & 0x004000) ? " SAP noise mute " : "", | |
841 | (value & 0x008000) ? " VDSP " : "", | |
842 | ||
843 | (value & 0x010000) ? " NICST " : "", | |
844 | (value & 0x020000) ? " NICDU " : "", | |
845 | (value & 0x040000) ? " NICAM muted " : "", | |
846 | (value & 0x080000) ? " NICAM reserve sound " : "", | |
847 | ||
848 | (value & 0x100000) ? " init done " : ""); | |
849 | } | |
850 | ||
851 | done: | |
ea63d0b1 | 852 | dev->thread.stopped = 1; |
1da177e4 LT |
853 | return 0; |
854 | } | |
855 | ||
856 | /* ------------------------------------------------------------------ */ | |
857 | /* common stuff + external entry points */ | |
858 | ||
cb71201f | 859 | void saa7134_enable_i2s(struct saa7134_dev *dev) |
1da177e4 LT |
860 | { |
861 | int i2s_format; | |
862 | ||
863 | if (!card_is_empress(dev)) | |
864 | return; | |
865 | i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01; | |
866 | ||
867 | /* enable I2S audio output for the mpeg encoder */ | |
868 | saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80); | |
869 | saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format); | |
870 | saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F); | |
871 | saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01); | |
872 | } | |
873 | ||
874 | int saa7134_tvaudio_rx2mode(u32 rx) | |
875 | { | |
876 | u32 mode; | |
877 | ||
878 | mode = V4L2_TUNER_MODE_MONO; | |
879 | if (rx & V4L2_TUNER_SUB_STEREO) | |
880 | mode = V4L2_TUNER_MODE_STEREO; | |
881 | else if (rx & V4L2_TUNER_SUB_LANG1) | |
882 | mode = V4L2_TUNER_MODE_LANG1; | |
883 | else if (rx & V4L2_TUNER_SUB_LANG2) | |
884 | mode = V4L2_TUNER_MODE_LANG2; | |
885 | return mode; | |
886 | } | |
887 | ||
888 | void saa7134_tvaudio_setmute(struct saa7134_dev *dev) | |
889 | { | |
890 | switch (dev->pci->device) { | |
891 | case PCI_DEVICE_ID_PHILIPS_SAA7130: | |
892 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
893 | mute_input_7134(dev); | |
894 | break; | |
895 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
896 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
897 | mute_input_7133(dev); | |
898 | break; | |
899 | } | |
900 | } | |
901 | ||
902 | void saa7134_tvaudio_setinput(struct saa7134_dev *dev, | |
903 | struct saa7134_input *in) | |
904 | { | |
905 | dev->input = in; | |
906 | switch (dev->pci->device) { | |
907 | case PCI_DEVICE_ID_PHILIPS_SAA7130: | |
908 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
909 | mute_input_7134(dev); | |
910 | break; | |
911 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
912 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
913 | mute_input_7133(dev); | |
914 | break; | |
915 | } | |
916 | saa7134_enable_i2s(dev); | |
917 | } | |
918 | ||
919 | void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level) | |
920 | { | |
921 | switch (dev->pci->device) { | |
922 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
923 | saa_writeb(SAA7134_CHANNEL1_LEVEL, level & 0x1f); | |
924 | saa_writeb(SAA7134_CHANNEL2_LEVEL, level & 0x1f); | |
925 | saa_writeb(SAA7134_NICAM_LEVEL_ADJUST, level & 0x1f); | |
926 | break; | |
927 | } | |
928 | } | |
929 | ||
930 | int saa7134_tvaudio_getstereo(struct saa7134_dev *dev) | |
931 | { | |
932 | int retval = V4L2_TUNER_SUB_MONO; | |
933 | ||
934 | switch (dev->pci->device) { | |
935 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
936 | if (dev->tvaudio) | |
937 | retval = tvaudio_getstereo(dev,dev->tvaudio); | |
938 | break; | |
939 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
940 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
941 | retval = getstereo_7133(dev); | |
942 | break; | |
943 | } | |
944 | return retval; | |
945 | } | |
946 | ||
f36224d3 ML |
947 | void saa7134_tvaudio_init(struct saa7134_dev *dev) |
948 | { | |
949 | int clock = saa7134_boards[dev->board].audio_clock; | |
950 | ||
951 | if (UNSET != audio_clock_override) | |
952 | clock = audio_clock_override; | |
953 | ||
954 | switch (dev->pci->device) { | |
955 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
956 | /* init all audio registers */ | |
957 | saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00); | |
958 | if (need_resched()) | |
959 | schedule(); | |
960 | else | |
961 | udelay(10); | |
962 | ||
963 | saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff); | |
964 | saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff); | |
965 | saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff); | |
966 | /* frame locked audio is mandatory for NICAM */ | |
967 | saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01); | |
968 | saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14); | |
969 | saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50); | |
970 | break; | |
971 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
972 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
973 | saa_writel(0x598 >> 2, clock); | |
974 | saa_dsp_writel(dev, 0x474 >> 2, 0x00); | |
975 | saa_dsp_writel(dev, 0x450 >> 2, 0x00); | |
976 | } | |
977 | } | |
978 | ||
1da177e4 LT |
979 | int saa7134_tvaudio_init2(struct saa7134_dev *dev) |
980 | { | |
1da177e4 LT |
981 | int (*my_thread)(void *data) = NULL; |
982 | ||
983 | switch (dev->pci->device) { | |
984 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
985 | my_thread = tvaudio_thread; | |
986 | break; | |
987 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
988 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
989 | my_thread = tvaudio_thread_ddep; | |
990 | break; | |
991 | } | |
992 | ||
3e0e38e6 | 993 | dev->thread.thread = NULL; |
1da177e4 | 994 | if (my_thread) { |
f36224d3 | 995 | saa7134_tvaudio_init(dev); |
1da177e4 | 996 | /* start tvaudio thread */ |
3e0e38e6 CH |
997 | dev->thread.thread = kthread_run(my_thread, dev, "%s", dev->name); |
998 | if (IS_ERR(dev->thread.thread)) { | |
1da177e4 LT |
999 | printk(KERN_WARNING "%s: kernel_thread() failed\n", |
1000 | dev->name); | |
3e0e38e6 CH |
1001 | /* XXX: missing error handling here */ |
1002 | } | |
1da177e4 LT |
1003 | saa7134_tvaudio_do_scan(dev); |
1004 | } | |
1005 | ||
1006 | saa7134_enable_i2s(dev); | |
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | int saa7134_tvaudio_fini(struct saa7134_dev *dev) | |
1011 | { | |
1012 | /* shutdown tvaudio thread */ | |
ea63d0b1 | 1013 | if (dev->thread.thread && !dev->thread.stopped) |
3e0e38e6 CH |
1014 | kthread_stop(dev->thread.thread); |
1015 | ||
1da177e4 LT |
1016 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */ |
1017 | return 0; | |
1018 | } | |
1019 | ||
1020 | int saa7134_tvaudio_do_scan(struct saa7134_dev *dev) | |
1021 | { | |
17b10a73 HH |
1022 | if (dev->input->amux != TV) { |
1023 | dprintk("sound IF not in use, skipping scan\n"); | |
1024 | dev->automute = 0; | |
1025 | saa7134_tvaudio_setmute(dev); | |
3e0e38e6 | 1026 | } else if (dev->thread.thread) { |
1da177e4 LT |
1027 | dev->thread.mode = UNSET; |
1028 | dev->thread.scan2++; | |
ea63d0b1 ML |
1029 | |
1030 | if (!dev->insuspend && !dev->thread.stopped) | |
1031 | wake_up_process(dev->thread.thread); | |
1da177e4 LT |
1032 | } else { |
1033 | dev->automute = 0; | |
1034 | saa7134_tvaudio_setmute(dev); | |
1035 | } | |
1036 | return 0; | |
1037 | } | |
1038 | ||
79dd0c69 | 1039 | EXPORT_SYMBOL(saa_dsp_writel); |
e9f964da | 1040 | EXPORT_SYMBOL(saa7134_tvaudio_setmute); |
79dd0c69 | 1041 | |
1da177e4 LT |
1042 | /* ----------------------------------------------------------- */ |
1043 | /* | |
1044 | * Local variables: | |
1045 | * c-basic-offset: 8 | |
1046 | * End: | |
1047 | */ |