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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 | 28 | #include <linux/delay.h> |
ea63d0b1 | 29 | #include <linux/freezer.h> |
1da177e4 LT |
30 | #include <asm/div64.h> |
31 | ||
32 | #include "saa7134-reg.h" | |
33 | #include "saa7134.h" | |
34 | ||
35 | /* ------------------------------------------------------------------ */ | |
36 | ||
ff699e6b | 37 | static unsigned int audio_debug; |
1da177e4 LT |
38 | module_param(audio_debug, int, 0644); |
39 | MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]"); | |
40 | ||
ff699e6b | 41 | static unsigned int audio_ddep; |
1da177e4 LT |
42 | module_param(audio_ddep, int, 0644); |
43 | MODULE_PARM_DESC(audio_ddep,"audio ddep overwrite"); | |
44 | ||
45 | static int audio_clock_override = UNSET; | |
46 | module_param(audio_clock_override, int, 0644); | |
47 | ||
ff699e6b | 48 | static int audio_clock_tweak; |
1da177e4 LT |
49 | module_param(audio_clock_tweak, int, 0644); |
50 | MODULE_PARM_DESC(audio_clock_tweak, "Audio clock tick fine tuning for cards with audio crystal that's slightly off (range [-1024 .. 1024])"); | |
51 | ||
52 | #define dprintk(fmt, arg...) if (audio_debug) \ | |
53 | printk(KERN_DEBUG "%s/audio: " fmt, dev->name , ## arg) | |
54 | #define d2printk(fmt, arg...) if (audio_debug > 1) \ | |
55 | printk(KERN_DEBUG "%s/audio: " fmt, dev->name, ## arg) | |
56 | ||
57 | #define print_regb(reg) printk("%s: reg 0x%03x [%-16s]: 0x%02x\n", \ | |
58 | dev->name,(SAA7134_##reg),(#reg),saa_readb((SAA7134_##reg))) | |
59 | ||
60 | /* msecs */ | |
61 | #define SCAN_INITIAL_DELAY 1000 | |
62 | #define SCAN_SAMPLE_DELAY 200 | |
63 | #define SCAN_SUBCARRIER_DELAY 2000 | |
64 | ||
65 | /* ------------------------------------------------------------------ */ | |
66 | /* saa7134 code */ | |
67 | ||
68 | static struct mainscan { | |
69 | char *name; | |
70 | v4l2_std_id std; | |
71 | int carr; | |
72 | } mainscan[] = { | |
73 | { | |
17b10a73 HH |
74 | .name = "MN", |
75 | .std = V4L2_STD_MN, | |
1da177e4 LT |
76 | .carr = 4500, |
77 | },{ | |
17b10a73 HH |
78 | .name = "BGH", |
79 | .std = V4L2_STD_B | V4L2_STD_GH, | |
1da177e4 LT |
80 | .carr = 5500, |
81 | },{ | |
82 | .name = "I", | |
83 | .std = V4L2_STD_PAL_I, | |
84 | .carr = 6000, | |
85 | },{ | |
86 | .name = "DKL", | |
17b10a73 | 87 | .std = V4L2_STD_DK | V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC, |
1da177e4 LT |
88 | .carr = 6500, |
89 | } | |
90 | }; | |
91 | ||
92 | static struct saa7134_tvaudio tvaudio[] = { | |
93 | { | |
94 | .name = "PAL-B/G FM-stereo", | |
17b10a73 | 95 | .std = V4L2_STD_PAL_BG, |
1da177e4 LT |
96 | .mode = TVAUDIO_FM_BG_STEREO, |
97 | .carr1 = 5500, | |
98 | .carr2 = 5742, | |
99 | },{ | |
100 | .name = "PAL-D/K1 FM-stereo", | |
17b10a73 | 101 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
102 | .carr1 = 6500, |
103 | .carr2 = 6258, | |
104 | .mode = TVAUDIO_FM_BG_STEREO, | |
105 | },{ | |
106 | .name = "PAL-D/K2 FM-stereo", | |
17b10a73 | 107 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
108 | .carr1 = 6500, |
109 | .carr2 = 6742, | |
110 | .mode = TVAUDIO_FM_BG_STEREO, | |
111 | },{ | |
112 | .name = "PAL-D/K3 FM-stereo", | |
17b10a73 | 113 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
114 | .carr1 = 6500, |
115 | .carr2 = 5742, | |
116 | .mode = TVAUDIO_FM_BG_STEREO, | |
117 | },{ | |
118 | .name = "PAL-B/G NICAM", | |
17b10a73 | 119 | .std = V4L2_STD_PAL_BG, |
1da177e4 LT |
120 | .carr1 = 5500, |
121 | .carr2 = 5850, | |
122 | .mode = TVAUDIO_NICAM_FM, | |
123 | },{ | |
124 | .name = "PAL-I NICAM", | |
17b10a73 | 125 | .std = V4L2_STD_PAL_I, |
1da177e4 LT |
126 | .carr1 = 6000, |
127 | .carr2 = 6552, | |
128 | .mode = TVAUDIO_NICAM_FM, | |
129 | },{ | |
130 | .name = "PAL-D/K NICAM", | |
17b10a73 | 131 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
132 | .carr1 = 6500, |
133 | .carr2 = 5850, | |
134 | .mode = TVAUDIO_NICAM_FM, | |
135 | },{ | |
136 | .name = "SECAM-L NICAM", | |
17b10a73 | 137 | .std = V4L2_STD_SECAM_L, |
1da177e4 LT |
138 | .carr1 = 6500, |
139 | .carr2 = 5850, | |
140 | .mode = TVAUDIO_NICAM_AM, | |
f7d66e82 | 141 | },{ |
17b10a73 HH |
142 | .name = "SECAM-D/K NICAM", |
143 | .std = V4L2_STD_SECAM_DK, | |
f7d66e82 | 144 | .carr1 = 6500, |
17b10a73 HH |
145 | .carr2 = 5850, |
146 | .mode = TVAUDIO_NICAM_FM, | |
1da177e4 | 147 | },{ |
17b10a73 HH |
148 | .name = "NTSC-A2 FM-stereo", |
149 | .std = V4L2_STD_NTSC, | |
150 | .carr1 = 4500, | |
151 | .carr2 = 4724, | |
152 | .mode = TVAUDIO_FM_K_STEREO, | |
1da177e4 LT |
153 | },{ |
154 | .name = "NTSC-M", | |
155 | .std = V4L2_STD_NTSC, | |
156 | .carr1 = 4500, | |
157 | .carr2 = -1, | |
158 | .mode = TVAUDIO_FM_MONO, | |
1da177e4 LT |
159 | } |
160 | }; | |
80297125 | 161 | #define TVAUDIO ARRAY_SIZE(tvaudio) |
1da177e4 LT |
162 | |
163 | /* ------------------------------------------------------------------ */ | |
164 | ||
1da177e4 LT |
165 | static u32 tvaudio_carr2reg(u32 carrier) |
166 | { | |
167 | u64 a = carrier; | |
168 | ||
169 | a <<= 24; | |
170 | do_div(a,12288); | |
171 | return a; | |
172 | } | |
173 | ||
174 | static void tvaudio_setcarrier(struct saa7134_dev *dev, | |
175 | int primary, int secondary) | |
176 | { | |
177 | if (-1 == secondary) | |
178 | secondary = primary; | |
179 | saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary)); | |
180 | saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary)); | |
181 | } | |
182 | ||
1eaad5b1 NS |
183 | #define SAA7134_MUTE_MASK 0xbb |
184 | #define SAA7134_MUTE_ANALOG 0x04 | |
185 | #define SAA7134_MUTE_I2S 0x40 | |
186 | ||
1da177e4 LT |
187 | static void mute_input_7134(struct saa7134_dev *dev) |
188 | { | |
189 | unsigned int mute; | |
190 | struct saa7134_input *in; | |
191 | int ausel=0, ics=0, ocs=0; | |
192 | int mask; | |
193 | ||
194 | /* look what is to do ... */ | |
195 | in = dev->input; | |
196 | mute = (dev->ctl_mute || | |
197 | (dev->automute && (&card(dev).radio) != in)); | |
330a115a MCC |
198 | if (card(dev).mute.name) { |
199 | /* | |
200 | * 7130 - we'll mute using some unconnected audio input | |
201 | * 7134 - we'll probably should switch external mux with gpio | |
202 | */ | |
1da177e4 LT |
203 | if (mute) |
204 | in = &card(dev).mute; | |
205 | } | |
330a115a | 206 | |
1da177e4 | 207 | if (dev->hw_mute == mute && |
c458473e | 208 | dev->hw_input == in && !dev->insuspend) { |
1da177e4 LT |
209 | dprintk("mute/input: nothing to do [mute=%d,input=%s]\n", |
210 | mute,in->name); | |
211 | return; | |
212 | } | |
213 | ||
214 | dprintk("ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n", | |
215 | dev->ctl_mute,dev->automute,dev->input->name,mute,in->name); | |
216 | dev->hw_mute = mute; | |
217 | dev->hw_input = in; | |
218 | ||
219 | if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device) | |
220 | /* 7134 mute */ | |
1eaad5b1 | 221 | saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ? |
4ac97914 | 222 | SAA7134_MUTE_MASK | |
1eaad5b1 NS |
223 | SAA7134_MUTE_ANALOG | |
224 | SAA7134_MUTE_I2S : | |
225 | SAA7134_MUTE_MASK); | |
1da177e4 LT |
226 | |
227 | /* switch internal audio mux */ | |
228 | switch (in->amux) { | |
229 | case TV: ausel=0xc0; ics=0x00; ocs=0x02; break; | |
230 | case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break; | |
231 | case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break; | |
232 | case LINE2_LEFT: ausel=0x80; ics=0x08; ocs=0x05; break; | |
233 | } | |
234 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel); | |
235 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics); | |
236 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs); | |
ac19ecc6 MCC |
237 | // for oss, we need to change the clock configuration |
238 | if (in->amux == TV) | |
239 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); | |
240 | else | |
241 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x01); | |
1da177e4 LT |
242 | |
243 | /* switch gpio-connected external audio mux */ | |
244 | if (0 == card(dev).gpiomask) | |
245 | return; | |
330a115a | 246 | |
1da177e4 LT |
247 | mask = card(dev).gpiomask; |
248 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); | |
249 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); | |
250 | saa7134_track_gpio(dev,in->name); | |
251 | } | |
252 | ||
253 | static void tvaudio_setmode(struct saa7134_dev *dev, | |
254 | struct saa7134_tvaudio *audio, | |
255 | char *note) | |
256 | { | |
257 | int acpf, tweak = 0; | |
258 | ||
259 | if (dev->tvnorm->id == V4L2_STD_NTSC) { | |
260 | acpf = 0x19066; | |
261 | } else { | |
262 | acpf = 0x1e000; | |
263 | } | |
264 | if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024) | |
265 | tweak = audio_clock_tweak; | |
266 | ||
267 | if (note) | |
268 | dprintk("tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n", | |
269 | note,audio->name, | |
270 | audio->carr1 / 1000, audio->carr1 % 1000, | |
271 | audio->carr2 / 1000, audio->carr2 % 1000, | |
272 | acpf, tweak); | |
273 | ||
274 | acpf += tweak; | |
275 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0); | |
276 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8); | |
277 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16); | |
278 | tvaudio_setcarrier(dev,audio->carr1,audio->carr2); | |
279 | ||
280 | switch (audio->mode) { | |
281 | case TVAUDIO_FM_MONO: | |
282 | case TVAUDIO_FM_BG_STEREO: | |
283 | saa_writeb(SAA7134_DEMODULATOR, 0x00); | |
284 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
285 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); | |
286 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
287 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); | |
288 | break; | |
289 | case TVAUDIO_FM_K_STEREO: | |
290 | saa_writeb(SAA7134_DEMODULATOR, 0x00); | |
291 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01); | |
292 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); | |
293 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
294 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); | |
295 | break; | |
296 | case TVAUDIO_NICAM_FM: | |
297 | saa_writeb(SAA7134_DEMODULATOR, 0x10); | |
298 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
299 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); | |
300 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); | |
301 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); | |
302 | break; | |
303 | case TVAUDIO_NICAM_AM: | |
304 | saa_writeb(SAA7134_DEMODULATOR, 0x12); | |
305 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
306 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); | |
307 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); | |
308 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); | |
309 | break; | |
310 | case TVAUDIO_FM_SAT_STEREO: | |
311 | /* not implemented (yet) */ | |
312 | break; | |
313 | } | |
314 | } | |
315 | ||
316 | static int tvaudio_sleep(struct saa7134_dev *dev, int timeout) | |
317 | { | |
3e0e38e6 CH |
318 | if (dev->thread.scan1 == dev->thread.scan2 && |
319 | !kthread_should_stop()) { | |
1da177e4 LT |
320 | if (timeout < 0) { |
321 | set_current_state(TASK_INTERRUPTIBLE); | |
322 | schedule(); | |
323 | } else { | |
8b93ec77 NA |
324 | schedule_timeout_interruptible |
325 | (msecs_to_jiffies(timeout)); | |
1da177e4 LT |
326 | } |
327 | } | |
1da177e4 LT |
328 | return dev->thread.scan1 != dev->thread.scan2; |
329 | } | |
330 | ||
331 | static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan) | |
332 | { | |
333 | __s32 left,right,value; | |
334 | ||
335 | if (audio_debug > 1) { | |
336 | int i; | |
337 | dprintk("debug %d:",scan->carr); | |
338 | for (i = -150; i <= 150; i += 30) { | |
339 | tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i); | |
340 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
341 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
342 | return -1; | |
343 | value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
344 | if (0 == i) | |
345 | printk(" # %6d # ",value >> 16); | |
346 | else | |
347 | printk(" %6d",value >> 16); | |
348 | } | |
349 | printk("\n"); | |
350 | } | |
1da177e4 LT |
351 | if (dev->tvnorm->id & scan->std) { |
352 | tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90); | |
353 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
354 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
355 | return -1; | |
356 | left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
357 | ||
358 | tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90); | |
359 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
360 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
361 | return -1; | |
362 | right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
363 | ||
364 | left >>= 16; | |
365 | right >>= 16; | |
366 | value = left > right ? left - right : right - left; | |
367 | dprintk("scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n", | |
368 | scan->carr / 1000, scan->carr % 1000, | |
369 | scan->name, value, left, right); | |
370 | } else { | |
371 | value = 0; | |
372 | dprintk("skipping %d.%03d MHz [%4s]\n", | |
373 | scan->carr / 1000, scan->carr % 1000, scan->name); | |
374 | } | |
375 | return value; | |
376 | } | |
377 | ||
1da177e4 LT |
378 | |
379 | static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio) | |
380 | { | |
330a115a | 381 | __u32 idp, nicam, nicam_status; |
1da177e4 LT |
382 | int retval = -1; |
383 | ||
384 | switch (audio->mode) { | |
385 | case TVAUDIO_FM_MONO: | |
386 | return V4L2_TUNER_SUB_MONO; | |
387 | case TVAUDIO_FM_K_STEREO: | |
388 | case TVAUDIO_FM_BG_STEREO: | |
389 | idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5; | |
390 | dprintk("getstereo: fm/stereo: idp=0x%x\n",idp); | |
391 | if (0x03 == (idp & 0x03)) | |
392 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
393 | else if (0x05 == (idp & 0x05)) | |
394 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
395 | else if (0x01 == (idp & 0x01)) | |
396 | retval = V4L2_TUNER_SUB_MONO; | |
397 | break; | |
398 | case TVAUDIO_FM_SAT_STEREO: | |
399 | /* not implemented (yet) */ | |
400 | break; | |
401 | case TVAUDIO_NICAM_FM: | |
402 | case TVAUDIO_NICAM_AM: | |
330a115a | 403 | nicam = saa_readb(SAA7134_AUDIO_STATUS); |
1da177e4 | 404 | dprintk("getstereo: nicam=0x%x\n",nicam); |
330a115a MCC |
405 | if (nicam & 0x1) { |
406 | nicam_status = saa_readb(SAA7134_NICAM_STATUS); | |
407 | dprintk("getstereo: nicam_status=0x%x\n", nicam_status); | |
408 | ||
409 | switch (nicam_status & 0x03) { | |
410 | case 0x01: | |
411 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
412 | break; | |
413 | case 0x02: | |
414 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
415 | break; | |
416 | default: | |
417 | retval = V4L2_TUNER_SUB_MONO; | |
418 | } | |
419 | } else { | |
420 | /* No nicam detected */ | |
1da177e4 LT |
421 | } |
422 | break; | |
423 | } | |
424 | if (retval != -1) | |
425 | dprintk("found audio subchannels:%s%s%s%s\n", | |
426 | (retval & V4L2_TUNER_SUB_MONO) ? " mono" : "", | |
427 | (retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "", | |
428 | (retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "", | |
429 | (retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : ""); | |
430 | return retval; | |
431 | } | |
432 | ||
433 | static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio, | |
434 | u32 mode) | |
435 | { | |
436 | static char *name[] = { | |
437 | [ V4L2_TUNER_MODE_MONO ] = "mono", | |
438 | [ V4L2_TUNER_MODE_STEREO ] = "stereo", | |
439 | [ V4L2_TUNER_MODE_LANG1 ] = "lang1", | |
440 | [ V4L2_TUNER_MODE_LANG2 ] = "lang2", | |
301e22d6 | 441 | [ V4L2_TUNER_MODE_LANG1_LANG2 ] = "lang1+lang2", |
1da177e4 LT |
442 | }; |
443 | static u32 fm[] = { | |
444 | [ V4L2_TUNER_MODE_MONO ] = 0x00, /* ch1 */ | |
445 | [ V4L2_TUNER_MODE_STEREO ] = 0x80, /* auto */ | |
446 | [ V4L2_TUNER_MODE_LANG1 ] = 0x00, /* ch1 */ | |
447 | [ V4L2_TUNER_MODE_LANG2 ] = 0x01, /* ch2 */ | |
301e22d6 | 448 | [ V4L2_TUNER_MODE_LANG1_LANG2 ] = 0x80, /* auto */ |
1da177e4 LT |
449 | }; |
450 | u32 reg; | |
451 | ||
452 | switch (audio->mode) { | |
453 | case TVAUDIO_FM_MONO: | |
454 | /* nothing to do ... */ | |
455 | break; | |
456 | case TVAUDIO_FM_K_STEREO: | |
457 | case TVAUDIO_FM_BG_STEREO: | |
330a115a MCC |
458 | case TVAUDIO_NICAM_AM: |
459 | case TVAUDIO_NICAM_FM: | |
1da177e4 LT |
460 | dprintk("setstereo [fm] => %s\n", |
461 | name[ mode % ARRAY_SIZE(name) ]); | |
462 | reg = fm[ mode % ARRAY_SIZE(fm) ]; | |
463 | saa_writeb(SAA7134_FM_DEMATRIX, reg); | |
464 | break; | |
465 | case TVAUDIO_FM_SAT_STEREO: | |
330a115a | 466 | /* Not implemented */ |
1da177e4 LT |
467 | break; |
468 | } | |
469 | return 0; | |
470 | } | |
471 | ||
472 | static int tvaudio_thread(void *data) | |
473 | { | |
474 | struct saa7134_dev *dev = data; | |
475 | int carr_vals[ARRAY_SIZE(mainscan)]; | |
476 | unsigned int i, audio, nscan; | |
477 | int max1,max2,carrier,rx,mode,lastmode,default_carrier; | |
478 | ||
ea63d0b1 ML |
479 | set_freezable(); |
480 | ||
1da177e4 LT |
481 | for (;;) { |
482 | tvaudio_sleep(dev,-1); | |
ea63d0b1 | 483 | if (kthread_should_stop()) |
1da177e4 LT |
484 | goto done; |
485 | ||
486 | restart: | |
ea63d0b1 ML |
487 | try_to_freeze(); |
488 | ||
1da177e4 LT |
489 | dev->thread.scan1 = dev->thread.scan2; |
490 | dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); | |
491 | dev->tvaudio = NULL; | |
f36224d3 ML |
492 | |
493 | saa_writeb(SAA7134_MONITOR_SELECT, 0xa0); | |
494 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
495 | ||
1da177e4 LT |
496 | if (dev->ctl_automute) |
497 | dev->automute = 1; | |
f36224d3 | 498 | |
1da177e4 LT |
499 | mute_input_7134(dev); |
500 | ||
501 | /* give the tuner some time */ | |
502 | if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY)) | |
503 | goto restart; | |
504 | ||
505 | max1 = 0; | |
506 | max2 = 0; | |
507 | nscan = 0; | |
508 | carrier = 0; | |
509 | default_carrier = 0; | |
510 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
511 | if (!(dev->tvnorm->id & mainscan[i].std)) | |
512 | continue; | |
513 | if (!default_carrier) | |
514 | default_carrier = mainscan[i].carr; | |
515 | nscan++; | |
516 | } | |
517 | ||
518 | if (1 == nscan) { | |
519 | /* only one candidate -- skip scan ;) */ | |
17b10a73 | 520 | dprintk("only one main carrier candidate - skipping scan\n"); |
1da177e4 LT |
521 | max1 = 12345; |
522 | carrier = default_carrier; | |
523 | } else { | |
524 | /* scan for the main carrier */ | |
525 | saa_writeb(SAA7134_MONITOR_SELECT,0x00); | |
526 | tvaudio_setmode(dev,&tvaudio[0],NULL); | |
527 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
528 | carr_vals[i] = tvaudio_checkcarrier(dev, mainscan+i); | |
529 | if (dev->thread.scan1 != dev->thread.scan2) | |
530 | goto restart; | |
531 | } | |
532 | for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
533 | if (max1 < carr_vals[i]) { | |
534 | max2 = max1; | |
535 | max1 = carr_vals[i]; | |
536 | carrier = mainscan[i].carr; | |
537 | } else if (max2 < carr_vals[i]) { | |
538 | max2 = carr_vals[i]; | |
539 | } | |
540 | } | |
541 | } | |
542 | ||
543 | if (0 != carrier && max1 > 2000 && max1 > max2*3) { | |
544 | /* found good carrier */ | |
545 | dprintk("found %s main sound carrier @ %d.%03d MHz [%d/%d]\n", | |
546 | dev->tvnorm->name, carrier/1000, carrier%1000, | |
547 | max1, max2); | |
548 | dev->last_carrier = carrier; | |
549 | ||
550 | } else if (0 != dev->last_carrier) { | |
551 | /* no carrier -- try last detected one as fallback */ | |
552 | carrier = dev->last_carrier; | |
ac19ecc6 | 553 | dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, " |
1da177e4 LT |
554 | "using %d.%03d MHz [last detected]\n", |
555 | dev->name, carrier/1000, carrier%1000); | |
556 | ||
557 | } else { | |
558 | /* no carrier + no fallback -- use default */ | |
559 | carrier = default_carrier; | |
ac19ecc6 | 560 | dprintk(KERN_WARNING "%s/audio: audio carrier scan failed, " |
1da177e4 LT |
561 | "using %d.%03d MHz [default]\n", |
562 | dev->name, carrier/1000, carrier%1000); | |
563 | } | |
564 | tvaudio_setcarrier(dev,carrier,carrier); | |
565 | dev->automute = 0; | |
566 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00); | |
567 | saa7134_tvaudio_setmute(dev); | |
1da177e4 LT |
568 | /* find the exact tv audio norm */ |
569 | for (audio = UNSET, i = 0; i < TVAUDIO; i++) { | |
570 | if (dev->tvnorm->id != UNSET && | |
330a115a | 571 | !(dev->tvnorm->id & tvaudio[i].std)) |
1da177e4 LT |
572 | continue; |
573 | if (tvaudio[i].carr1 != carrier) | |
574 | continue; | |
17b10a73 | 575 | /* Note: at least the primary carrier is right here */ |
1da177e4 LT |
576 | if (UNSET == audio) |
577 | audio = i; | |
578 | tvaudio_setmode(dev,&tvaudio[i],"trying"); | |
579 | if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY)) | |
580 | goto restart; | |
581 | if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) { | |
582 | audio = i; | |
583 | break; | |
584 | } | |
585 | } | |
586 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30); | |
587 | if (UNSET == audio) | |
588 | continue; | |
589 | tvaudio_setmode(dev,&tvaudio[audio],"using"); | |
17b10a73 | 590 | |
1da177e4 LT |
591 | tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO); |
592 | dev->tvaudio = &tvaudio[audio]; | |
593 | ||
594 | lastmode = 42; | |
595 | for (;;) { | |
ea63d0b1 ML |
596 | |
597 | try_to_freeze(); | |
598 | ||
1da177e4 LT |
599 | if (tvaudio_sleep(dev,5000)) |
600 | goto restart; | |
ea63d0b1 | 601 | if (kthread_should_stop()) |
1da177e4 LT |
602 | break; |
603 | if (UNSET == dev->thread.mode) { | |
604 | rx = tvaudio_getstereo(dev,&tvaudio[i]); | |
605 | mode = saa7134_tvaudio_rx2mode(rx); | |
606 | } else { | |
607 | mode = dev->thread.mode; | |
608 | } | |
609 | if (lastmode != mode) { | |
610 | tvaudio_setstereo(dev,&tvaudio[audio],mode); | |
611 | lastmode = mode; | |
612 | } | |
613 | } | |
614 | } | |
615 | ||
616 | done: | |
ea63d0b1 | 617 | dev->thread.stopped = 1; |
1da177e4 LT |
618 | return 0; |
619 | } | |
620 | ||
621 | /* ------------------------------------------------------------------ */ | |
622 | /* saa7133 / saa7135 code */ | |
623 | ||
624 | static char *stdres[0x20] = { | |
625 | [0x00] = "no standard detected", | |
626 | [0x01] = "B/G (in progress)", | |
627 | [0x02] = "D/K (in progress)", | |
628 | [0x03] = "M (in progress)", | |
629 | ||
630 | [0x04] = "B/G A2", | |
631 | [0x05] = "B/G NICAM", | |
632 | [0x06] = "D/K A2 (1)", | |
633 | [0x07] = "D/K A2 (2)", | |
634 | [0x08] = "D/K A2 (3)", | |
635 | [0x09] = "D/K NICAM", | |
636 | [0x0a] = "L NICAM", | |
637 | [0x0b] = "I NICAM", | |
638 | ||
639 | [0x0c] = "M Korea", | |
640 | [0x0d] = "M BTSC ", | |
641 | [0x0e] = "M EIAJ", | |
642 | ||
643 | [0x0f] = "FM radio / IF 10.7 / 50 deemp", | |
644 | [0x10] = "FM radio / IF 10.7 / 75 deemp", | |
645 | [0x11] = "FM radio / IF sel / 50 deemp", | |
646 | [0x12] = "FM radio / IF sel / 75 deemp", | |
647 | ||
648 | [0x13 ... 0x1e ] = "unknown", | |
649 | [0x1f] = "??? [in progress]", | |
650 | }; | |
651 | ||
652 | #define DSP_RETRY 32 | |
653 | #define DSP_DELAY 16 | |
867bc6cc HH |
654 | #define SAA7135_DSP_RWCLEAR_RERR 1 |
655 | ||
656 | static inline int saa_dsp_reset_error_bit(struct saa7134_dev *dev) | |
657 | { | |
658 | int state = saa_readb(SAA7135_DSP_RWSTATE); | |
659 | if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) { | |
660 | d2printk("%s: resetting error bit\n", dev->name); | |
661 | saa_writeb(SAA7135_DSP_RWCLEAR, SAA7135_DSP_RWCLEAR_RERR); | |
662 | } | |
663 | return 0; | |
664 | } | |
1da177e4 LT |
665 | |
666 | static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit) | |
667 | { | |
668 | int state, count = DSP_RETRY; | |
669 | ||
670 | state = saa_readb(SAA7135_DSP_RWSTATE); | |
671 | if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) { | |
867bc6cc HH |
672 | printk(KERN_WARNING "%s: dsp access error\n", dev->name); |
673 | saa_dsp_reset_error_bit(dev); | |
1da177e4 LT |
674 | return -EIO; |
675 | } | |
676 | while (0 == (state & bit)) { | |
677 | if (unlikely(0 == count)) { | |
678 | printk("%s: dsp access wait timeout [bit=%s]\n", | |
679 | dev->name, | |
680 | (bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" : | |
681 | (bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" : | |
682 | (bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" : | |
683 | "???"); | |
684 | return -EIO; | |
685 | } | |
686 | saa_wait(DSP_DELAY); | |
687 | state = saa_readb(SAA7135_DSP_RWSTATE); | |
688 | count--; | |
689 | } | |
690 | return 0; | |
691 | } | |
692 | ||
1da177e4 LT |
693 | |
694 | int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value) | |
695 | { | |
696 | int err; | |
697 | ||
698 | d2printk("dsp write reg 0x%x = 0x%06x\n",reg<<2,value); | |
699 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); | |
700 | if (err < 0) | |
701 | return err; | |
702 | saa_writel(reg,value); | |
703 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); | |
704 | if (err < 0) | |
705 | return err; | |
706 | return 0; | |
707 | } | |
708 | ||
709 | static int getstereo_7133(struct saa7134_dev *dev) | |
710 | { | |
711 | int retval = V4L2_TUNER_SUB_MONO; | |
712 | u32 value; | |
713 | ||
714 | value = saa_readl(0x528 >> 2); | |
715 | if (value & 0x20) | |
716 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
717 | if (value & 0x40) | |
718 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
719 | return retval; | |
720 | } | |
721 | ||
722 | static int mute_input_7133(struct saa7134_dev *dev) | |
723 | { | |
724 | u32 reg = 0; | |
330a115a | 725 | u32 xbarin, xbarout; |
1da177e4 | 726 | int mask; |
330a115a | 727 | struct saa7134_input *in; |
1da177e4 | 728 | |
330a115a | 729 | xbarin = 0x03; |
1da177e4 LT |
730 | switch (dev->input->amux) { |
731 | case TV: | |
732 | reg = 0x02; | |
330a115a | 733 | xbarin = 0; |
1da177e4 LT |
734 | break; |
735 | case LINE1: | |
736 | reg = 0x00; | |
737 | break; | |
738 | case LINE2: | |
739 | case LINE2_LEFT: | |
330a115a | 740 | reg = 0x09; |
1da177e4 LT |
741 | break; |
742 | } | |
330a115a MCC |
743 | saa_dsp_writel(dev, 0x464 >> 2, xbarin); |
744 | if (dev->ctl_mute) { | |
1da177e4 | 745 | reg = 0x07; |
330a115a MCC |
746 | xbarout = 0xbbbbbb; |
747 | } else | |
748 | xbarout = 0xbbbb10; | |
749 | saa_dsp_writel(dev, 0x46c >> 2, xbarout); | |
750 | ||
1da177e4 LT |
751 | saa_writel(0x594 >> 2, reg); |
752 | ||
330a115a | 753 | |
1da177e4 | 754 | /* switch gpio-connected external audio mux */ |
4ac97914 MCC |
755 | if (0 != card(dev).gpiomask) { |
756 | mask = card(dev).gpiomask; | |
330a115a MCC |
757 | |
758 | if (card(dev).mute.name && dev->ctl_mute) | |
759 | in = &card(dev).mute; | |
760 | else | |
761 | in = dev->input; | |
762 | ||
4ac97914 MCC |
763 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); |
764 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); | |
765 | saa7134_track_gpio(dev,in->name); | |
1da177e4 | 766 | } |
330a115a | 767 | |
1da177e4 LT |
768 | return 0; |
769 | } | |
770 | ||
771 | static int tvaudio_thread_ddep(void *data) | |
772 | { | |
773 | struct saa7134_dev *dev = data; | |
f36224d3 | 774 | u32 value, norms; |
1da177e4 | 775 | |
ea63d0b1 | 776 | set_freezable(); |
1da177e4 LT |
777 | for (;;) { |
778 | tvaudio_sleep(dev,-1); | |
ea63d0b1 | 779 | if (kthread_should_stop()) |
1da177e4 | 780 | goto done; |
1da177e4 | 781 | restart: |
ea63d0b1 ML |
782 | try_to_freeze(); |
783 | ||
1da177e4 LT |
784 | dev->thread.scan1 = dev->thread.scan2; |
785 | dprintk("tvaudio thread scan start [%d]\n",dev->thread.scan1); | |
786 | ||
787 | if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) { | |
788 | /* insmod option override */ | |
789 | norms = (audio_ddep << 2) | 0x01; | |
790 | dprintk("ddep override: %s\n",stdres[audio_ddep]); | |
791 | } else if (&card(dev).radio == dev->input) { | |
792 | dprintk("FM Radio\n"); | |
0f79c363 HH |
793 | if (dev->tuner_type == TUNER_PHILIPS_TDA8290) { |
794 | norms = (0x11 << 2) | 0x01; | |
795 | saa_dsp_writel(dev, 0x42c >> 2, 0x729555); | |
796 | } else { | |
797 | norms = (0x0f << 2) | 0x01; | |
798 | } | |
1da177e4 LT |
799 | } else { |
800 | /* (let chip) scan for sound carrier */ | |
801 | norms = 0; | |
17b10a73 HH |
802 | if (dev->tvnorm->id & (V4L2_STD_B | V4L2_STD_GH)) |
803 | norms |= 0x04; | |
804 | if (dev->tvnorm->id & V4L2_STD_PAL_I) | |
805 | norms |= 0x20; | |
806 | if (dev->tvnorm->id & V4L2_STD_DK) | |
807 | norms |= 0x08; | |
808 | if (dev->tvnorm->id & V4L2_STD_MN) | |
809 | norms |= 0x40; | |
810 | if (dev->tvnorm->id & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) | |
811 | norms |= 0x10; | |
1da177e4 LT |
812 | if (0 == norms) |
813 | norms = 0x7c; /* all */ | |
814 | dprintk("scanning:%s%s%s%s%s\n", | |
815 | (norms & 0x04) ? " B/G" : "", | |
816 | (norms & 0x08) ? " D/K" : "", | |
817 | (norms & 0x10) ? " L/L'" : "", | |
818 | (norms & 0x20) ? " I" : "", | |
819 | (norms & 0x40) ? " M" : ""); | |
820 | } | |
821 | ||
822 | /* kick automatic standard detection */ | |
823 | saa_dsp_writel(dev, 0x454 >> 2, 0); | |
824 | saa_dsp_writel(dev, 0x454 >> 2, norms | 0x80); | |
825 | ||
826 | /* setup crossbars */ | |
827 | saa_dsp_writel(dev, 0x464 >> 2, 0x000000); | |
828 | saa_dsp_writel(dev, 0x470 >> 2, 0x101010); | |
829 | ||
830 | if (tvaudio_sleep(dev,3000)) | |
831 | goto restart; | |
832 | value = saa_readl(0x528 >> 2) & 0xffffff; | |
833 | ||
834 | dprintk("tvaudio thread status: 0x%x [%s%s%s]\n", | |
835 | value, stdres[value & 0x1f], | |
836 | (value & 0x000020) ? ",stereo" : "", | |
837 | (value & 0x000040) ? ",dual" : ""); | |
838 | dprintk("detailed status: " | |
839 | "%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n", | |
840 | (value & 0x000080) ? " A2/EIAJ pilot tone " : "", | |
841 | (value & 0x000100) ? " A2/EIAJ dual " : "", | |
842 | (value & 0x000200) ? " A2/EIAJ stereo " : "", | |
843 | (value & 0x000400) ? " A2/EIAJ noise mute " : "", | |
844 | ||
845 | (value & 0x000800) ? " BTSC/FM radio pilot " : "", | |
846 | (value & 0x001000) ? " SAP carrier " : "", | |
847 | (value & 0x002000) ? " BTSC stereo noise mute " : "", | |
848 | (value & 0x004000) ? " SAP noise mute " : "", | |
849 | (value & 0x008000) ? " VDSP " : "", | |
850 | ||
851 | (value & 0x010000) ? " NICST " : "", | |
852 | (value & 0x020000) ? " NICDU " : "", | |
853 | (value & 0x040000) ? " NICAM muted " : "", | |
854 | (value & 0x080000) ? " NICAM reserve sound " : "", | |
855 | ||
856 | (value & 0x100000) ? " init done " : ""); | |
857 | } | |
858 | ||
859 | done: | |
ea63d0b1 | 860 | dev->thread.stopped = 1; |
1da177e4 LT |
861 | return 0; |
862 | } | |
863 | ||
864 | /* ------------------------------------------------------------------ */ | |
865 | /* common stuff + external entry points */ | |
866 | ||
cb71201f | 867 | void saa7134_enable_i2s(struct saa7134_dev *dev) |
1da177e4 LT |
868 | { |
869 | int i2s_format; | |
870 | ||
871 | if (!card_is_empress(dev)) | |
872 | return; | |
1da177e4 | 873 | |
37df96d3 DB |
874 | if (dev->pci->device == PCI_DEVICE_ID_PHILIPS_SAA7130) |
875 | return; | |
876 | ||
877 | /* configure GPIO for out */ | |
878 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x0E000000, 0x00000000); | |
879 | ||
880 | switch (dev->pci->device) { | |
881 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
882 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
883 | /* Set I2S format (SONY) */ | |
884 | saa_writeb(SAA7133_I2S_AUDIO_CONTROL, 0x00); | |
f808a9e3 | 885 | /* Start I2S */ |
37df96d3 | 886 | saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x11); |
f808a9e3 | 887 | break; |
37df96d3 DB |
888 | |
889 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
f808a9e3 DB |
890 | i2s_format = (dev->input->amux == TV) ? 0x00 : 0x01; |
891 | ||
892 | /* enable I2S audio output for the mpeg encoder */ | |
37df96d3 DB |
893 | saa_writeb(SAA7134_I2S_OUTPUT_SELECT, 0x80); |
894 | saa_writeb(SAA7134_I2S_OUTPUT_FORMAT, i2s_format); | |
895 | saa_writeb(SAA7134_I2S_OUTPUT_LEVEL, 0x0F); | |
896 | saa_writeb(SAA7134_I2S_AUDIO_OUTPUT, 0x01); | |
897 | ||
898 | default: | |
899 | break; | |
f808a9e3 | 900 | } |
1da177e4 LT |
901 | } |
902 | ||
903 | int saa7134_tvaudio_rx2mode(u32 rx) | |
904 | { | |
905 | u32 mode; | |
906 | ||
907 | mode = V4L2_TUNER_MODE_MONO; | |
908 | if (rx & V4L2_TUNER_SUB_STEREO) | |
909 | mode = V4L2_TUNER_MODE_STEREO; | |
910 | else if (rx & V4L2_TUNER_SUB_LANG1) | |
911 | mode = V4L2_TUNER_MODE_LANG1; | |
912 | else if (rx & V4L2_TUNER_SUB_LANG2) | |
913 | mode = V4L2_TUNER_MODE_LANG2; | |
914 | return mode; | |
915 | } | |
916 | ||
917 | void saa7134_tvaudio_setmute(struct saa7134_dev *dev) | |
918 | { | |
919 | switch (dev->pci->device) { | |
920 | case PCI_DEVICE_ID_PHILIPS_SAA7130: | |
921 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
922 | mute_input_7134(dev); | |
923 | break; | |
924 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
925 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
926 | mute_input_7133(dev); | |
927 | break; | |
928 | } | |
929 | } | |
930 | ||
931 | void saa7134_tvaudio_setinput(struct saa7134_dev *dev, | |
932 | struct saa7134_input *in) | |
933 | { | |
934 | dev->input = in; | |
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 | saa7134_enable_i2s(dev); | |
946 | } | |
947 | ||
948 | void saa7134_tvaudio_setvolume(struct saa7134_dev *dev, int level) | |
949 | { | |
950 | switch (dev->pci->device) { | |
951 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
952 | saa_writeb(SAA7134_CHANNEL1_LEVEL, level & 0x1f); | |
953 | saa_writeb(SAA7134_CHANNEL2_LEVEL, level & 0x1f); | |
954 | saa_writeb(SAA7134_NICAM_LEVEL_ADJUST, level & 0x1f); | |
955 | break; | |
956 | } | |
957 | } | |
958 | ||
959 | int saa7134_tvaudio_getstereo(struct saa7134_dev *dev) | |
960 | { | |
961 | int retval = V4L2_TUNER_SUB_MONO; | |
962 | ||
963 | switch (dev->pci->device) { | |
964 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
965 | if (dev->tvaudio) | |
966 | retval = tvaudio_getstereo(dev,dev->tvaudio); | |
967 | break; | |
968 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
969 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
970 | retval = getstereo_7133(dev); | |
971 | break; | |
972 | } | |
973 | return retval; | |
974 | } | |
975 | ||
f36224d3 ML |
976 | void saa7134_tvaudio_init(struct saa7134_dev *dev) |
977 | { | |
978 | int clock = saa7134_boards[dev->board].audio_clock; | |
979 | ||
980 | if (UNSET != audio_clock_override) | |
981 | clock = audio_clock_override; | |
982 | ||
983 | switch (dev->pci->device) { | |
984 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
985 | /* init all audio registers */ | |
986 | saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x00); | |
987 | if (need_resched()) | |
988 | schedule(); | |
989 | else | |
990 | udelay(10); | |
991 | ||
992 | saa_writeb(SAA7134_AUDIO_CLOCK0, clock & 0xff); | |
993 | saa_writeb(SAA7134_AUDIO_CLOCK1, (clock >> 8) & 0xff); | |
994 | saa_writeb(SAA7134_AUDIO_CLOCK2, (clock >> 16) & 0xff); | |
995 | /* frame locked audio is mandatory for NICAM */ | |
996 | saa_writeb(SAA7134_AUDIO_PLL_CTRL, 0x01); | |
997 | saa_writeb(SAA7134_NICAM_ERROR_LOW, 0x14); | |
998 | saa_writeb(SAA7134_NICAM_ERROR_HIGH, 0x50); | |
999 | break; | |
1000 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
1001 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
1002 | saa_writel(0x598 >> 2, clock); | |
1003 | saa_dsp_writel(dev, 0x474 >> 2, 0x00); | |
1004 | saa_dsp_writel(dev, 0x450 >> 2, 0x00); | |
1005 | } | |
1006 | } | |
1007 | ||
1da177e4 LT |
1008 | int saa7134_tvaudio_init2(struct saa7134_dev *dev) |
1009 | { | |
1da177e4 LT |
1010 | int (*my_thread)(void *data) = NULL; |
1011 | ||
1012 | switch (dev->pci->device) { | |
1013 | case PCI_DEVICE_ID_PHILIPS_SAA7134: | |
1014 | my_thread = tvaudio_thread; | |
1015 | break; | |
1016 | case PCI_DEVICE_ID_PHILIPS_SAA7133: | |
1017 | case PCI_DEVICE_ID_PHILIPS_SAA7135: | |
1018 | my_thread = tvaudio_thread_ddep; | |
1019 | break; | |
1020 | } | |
1021 | ||
3e0e38e6 | 1022 | dev->thread.thread = NULL; |
1da177e4 | 1023 | if (my_thread) { |
f36224d3 | 1024 | saa7134_tvaudio_init(dev); |
1da177e4 | 1025 | /* start tvaudio thread */ |
3e0e38e6 CH |
1026 | dev->thread.thread = kthread_run(my_thread, dev, "%s", dev->name); |
1027 | if (IS_ERR(dev->thread.thread)) { | |
1da177e4 LT |
1028 | printk(KERN_WARNING "%s: kernel_thread() failed\n", |
1029 | dev->name); | |
3e0e38e6 CH |
1030 | /* XXX: missing error handling here */ |
1031 | } | |
1da177e4 LT |
1032 | saa7134_tvaudio_do_scan(dev); |
1033 | } | |
1034 | ||
1035 | saa7134_enable_i2s(dev); | |
1036 | return 0; | |
1037 | } | |
1038 | ||
1039 | int saa7134_tvaudio_fini(struct saa7134_dev *dev) | |
1040 | { | |
1041 | /* shutdown tvaudio thread */ | |
ea63d0b1 | 1042 | if (dev->thread.thread && !dev->thread.stopped) |
3e0e38e6 CH |
1043 | kthread_stop(dev->thread.thread); |
1044 | ||
1da177e4 LT |
1045 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */ |
1046 | return 0; | |
1047 | } | |
1048 | ||
1049 | int saa7134_tvaudio_do_scan(struct saa7134_dev *dev) | |
1050 | { | |
17b10a73 HH |
1051 | if (dev->input->amux != TV) { |
1052 | dprintk("sound IF not in use, skipping scan\n"); | |
1053 | dev->automute = 0; | |
1054 | saa7134_tvaudio_setmute(dev); | |
3e0e38e6 | 1055 | } else if (dev->thread.thread) { |
1da177e4 LT |
1056 | dev->thread.mode = UNSET; |
1057 | dev->thread.scan2++; | |
ea63d0b1 ML |
1058 | |
1059 | if (!dev->insuspend && !dev->thread.stopped) | |
1060 | wake_up_process(dev->thread.thread); | |
1da177e4 LT |
1061 | } else { |
1062 | dev->automute = 0; | |
1063 | saa7134_tvaudio_setmute(dev); | |
1064 | } | |
1065 | return 0; | |
1066 | } | |
1067 | ||
79dd0c69 | 1068 | EXPORT_SYMBOL(saa_dsp_writel); |
e9f964da | 1069 | EXPORT_SYMBOL(saa7134_tvaudio_setmute); |
79dd0c69 | 1070 | |
1da177e4 LT |
1071 | /* ----------------------------------------------------------- */ |
1072 | /* | |
1073 | * Local variables: | |
1074 | * c-basic-offset: 8 | |
1075 | * End: | |
1076 | */ |