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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. | |
1da177e4 LT |
17 | */ |
18 | ||
9a12ccfc MCC |
19 | #include "saa7134.h" |
20 | #include "saa7134-reg.h" | |
21 | ||
1da177e4 LT |
22 | #include <linux/init.h> |
23 | #include <linux/list.h> | |
24 | #include <linux/module.h> | |
1da177e4 | 25 | #include <linux/kernel.h> |
3e0e38e6 | 26 | #include <linux/kthread.h> |
1da177e4 | 27 | #include <linux/delay.h> |
ea63d0b1 | 28 | #include <linux/freezer.h> |
1da177e4 LT |
29 | #include <asm/div64.h> |
30 | ||
1da177e4 LT |
31 | /* ------------------------------------------------------------------ */ |
32 | ||
ff699e6b | 33 | static unsigned int audio_debug; |
1da177e4 LT |
34 | module_param(audio_debug, int, 0644); |
35 | MODULE_PARM_DESC(audio_debug,"enable debug messages [tv audio]"); | |
36 | ||
ff699e6b | 37 | static unsigned int audio_ddep; |
1da177e4 LT |
38 | module_param(audio_ddep, int, 0644); |
39 | MODULE_PARM_DESC(audio_ddep,"audio ddep overwrite"); | |
40 | ||
41 | static int audio_clock_override = UNSET; | |
42 | module_param(audio_clock_override, int, 0644); | |
43 | ||
ff699e6b | 44 | static int audio_clock_tweak; |
1da177e4 LT |
45 | module_param(audio_clock_tweak, int, 0644); |
46 | MODULE_PARM_DESC(audio_clock_tweak, "Audio clock tick fine tuning for cards with audio crystal that's slightly off (range [-1024 .. 1024])"); | |
47 | ||
45f38cb3 MCC |
48 | #define audio_dbg(level, fmt, arg...) do { \ |
49 | if (audio_debug >= level) \ | |
50 | printk(KERN_DEBUG pr_fmt("audio: " fmt), ## arg); \ | |
51 | } while (0) | |
1da177e4 LT |
52 | |
53 | /* msecs */ | |
54 | #define SCAN_INITIAL_DELAY 1000 | |
55 | #define SCAN_SAMPLE_DELAY 200 | |
56 | #define SCAN_SUBCARRIER_DELAY 2000 | |
57 | ||
58 | /* ------------------------------------------------------------------ */ | |
59 | /* saa7134 code */ | |
60 | ||
61 | static struct mainscan { | |
62 | char *name; | |
63 | v4l2_std_id std; | |
64 | int carr; | |
65 | } mainscan[] = { | |
66 | { | |
17b10a73 HH |
67 | .name = "MN", |
68 | .std = V4L2_STD_MN, | |
1da177e4 LT |
69 | .carr = 4500, |
70 | },{ | |
17b10a73 HH |
71 | .name = "BGH", |
72 | .std = V4L2_STD_B | V4L2_STD_GH, | |
1da177e4 LT |
73 | .carr = 5500, |
74 | },{ | |
75 | .name = "I", | |
76 | .std = V4L2_STD_PAL_I, | |
77 | .carr = 6000, | |
78 | },{ | |
79 | .name = "DKL", | |
17b10a73 | 80 | .std = V4L2_STD_DK | V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC, |
1da177e4 LT |
81 | .carr = 6500, |
82 | } | |
83 | }; | |
84 | ||
85 | static struct saa7134_tvaudio tvaudio[] = { | |
86 | { | |
87 | .name = "PAL-B/G FM-stereo", | |
17b10a73 | 88 | .std = V4L2_STD_PAL_BG, |
1da177e4 LT |
89 | .mode = TVAUDIO_FM_BG_STEREO, |
90 | .carr1 = 5500, | |
91 | .carr2 = 5742, | |
92 | },{ | |
93 | .name = "PAL-D/K1 FM-stereo", | |
17b10a73 | 94 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
95 | .carr1 = 6500, |
96 | .carr2 = 6258, | |
97 | .mode = TVAUDIO_FM_BG_STEREO, | |
98 | },{ | |
99 | .name = "PAL-D/K2 FM-stereo", | |
17b10a73 | 100 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
101 | .carr1 = 6500, |
102 | .carr2 = 6742, | |
103 | .mode = TVAUDIO_FM_BG_STEREO, | |
104 | },{ | |
105 | .name = "PAL-D/K3 FM-stereo", | |
17b10a73 | 106 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
107 | .carr1 = 6500, |
108 | .carr2 = 5742, | |
109 | .mode = TVAUDIO_FM_BG_STEREO, | |
110 | },{ | |
111 | .name = "PAL-B/G NICAM", | |
17b10a73 | 112 | .std = V4L2_STD_PAL_BG, |
1da177e4 LT |
113 | .carr1 = 5500, |
114 | .carr2 = 5850, | |
115 | .mode = TVAUDIO_NICAM_FM, | |
116 | },{ | |
117 | .name = "PAL-I NICAM", | |
17b10a73 | 118 | .std = V4L2_STD_PAL_I, |
1da177e4 LT |
119 | .carr1 = 6000, |
120 | .carr2 = 6552, | |
121 | .mode = TVAUDIO_NICAM_FM, | |
122 | },{ | |
123 | .name = "PAL-D/K NICAM", | |
17b10a73 | 124 | .std = V4L2_STD_PAL_DK, |
1da177e4 LT |
125 | .carr1 = 6500, |
126 | .carr2 = 5850, | |
127 | .mode = TVAUDIO_NICAM_FM, | |
128 | },{ | |
129 | .name = "SECAM-L NICAM", | |
17b10a73 | 130 | .std = V4L2_STD_SECAM_L, |
1da177e4 LT |
131 | .carr1 = 6500, |
132 | .carr2 = 5850, | |
133 | .mode = TVAUDIO_NICAM_AM, | |
f7d66e82 | 134 | },{ |
17b10a73 HH |
135 | .name = "SECAM-D/K NICAM", |
136 | .std = V4L2_STD_SECAM_DK, | |
f7d66e82 | 137 | .carr1 = 6500, |
17b10a73 HH |
138 | .carr2 = 5850, |
139 | .mode = TVAUDIO_NICAM_FM, | |
1da177e4 | 140 | },{ |
17b10a73 HH |
141 | .name = "NTSC-A2 FM-stereo", |
142 | .std = V4L2_STD_NTSC, | |
143 | .carr1 = 4500, | |
144 | .carr2 = 4724, | |
145 | .mode = TVAUDIO_FM_K_STEREO, | |
1da177e4 LT |
146 | },{ |
147 | .name = "NTSC-M", | |
148 | .std = V4L2_STD_NTSC, | |
149 | .carr1 = 4500, | |
150 | .carr2 = -1, | |
151 | .mode = TVAUDIO_FM_MONO, | |
1da177e4 LT |
152 | } |
153 | }; | |
80297125 | 154 | #define TVAUDIO ARRAY_SIZE(tvaudio) |
1da177e4 LT |
155 | |
156 | /* ------------------------------------------------------------------ */ | |
157 | ||
1da177e4 LT |
158 | static u32 tvaudio_carr2reg(u32 carrier) |
159 | { | |
160 | u64 a = carrier; | |
161 | ||
162 | a <<= 24; | |
163 | do_div(a,12288); | |
164 | return a; | |
165 | } | |
166 | ||
167 | static void tvaudio_setcarrier(struct saa7134_dev *dev, | |
168 | int primary, int secondary) | |
169 | { | |
170 | if (-1 == secondary) | |
171 | secondary = primary; | |
172 | saa_writel(SAA7134_CARRIER1_FREQ0 >> 2, tvaudio_carr2reg(primary)); | |
173 | saa_writel(SAA7134_CARRIER2_FREQ0 >> 2, tvaudio_carr2reg(secondary)); | |
174 | } | |
175 | ||
1eaad5b1 NS |
176 | #define SAA7134_MUTE_MASK 0xbb |
177 | #define SAA7134_MUTE_ANALOG 0x04 | |
178 | #define SAA7134_MUTE_I2S 0x40 | |
179 | ||
1da177e4 LT |
180 | static void mute_input_7134(struct saa7134_dev *dev) |
181 | { | |
182 | unsigned int mute; | |
183 | struct saa7134_input *in; | |
184 | int ausel=0, ics=0, ocs=0; | |
185 | int mask; | |
186 | ||
187 | /* look what is to do ... */ | |
188 | in = dev->input; | |
189 | mute = (dev->ctl_mute || | |
190 | (dev->automute && (&card(dev).radio) != in)); | |
8fc34867 | 191 | if (card(dev).mute.type) { |
330a115a MCC |
192 | /* |
193 | * 7130 - we'll mute using some unconnected audio input | |
194 | * 7134 - we'll probably should switch external mux with gpio | |
195 | */ | |
1da177e4 LT |
196 | if (mute) |
197 | in = &card(dev).mute; | |
198 | } | |
330a115a | 199 | |
1da177e4 | 200 | if (dev->hw_mute == mute && |
c458473e | 201 | dev->hw_input == in && !dev->insuspend) { |
e67bcf3e | 202 | audio_dbg(1, "mute/input: nothing to do [mute=%d,input=%s]\n", |
8fc34867 | 203 | mute, saa7134_input_name[in->type]); |
1da177e4 LT |
204 | return; |
205 | } | |
206 | ||
e67bcf3e MCC |
207 | audio_dbg(1, "ctl_mute=%d automute=%d input=%s => mute=%d input=%s\n", |
208 | dev->ctl_mute, dev->automute, | |
8fc34867 MCC |
209 | saa7134_input_name[dev->input->type], mute, |
210 | saa7134_input_name[in->type]); | |
1da177e4 LT |
211 | dev->hw_mute = mute; |
212 | dev->hw_input = in; | |
213 | ||
214 | if (PCI_DEVICE_ID_PHILIPS_SAA7134 == dev->pci->device) | |
215 | /* 7134 mute */ | |
1eaad5b1 | 216 | saa_writeb(SAA7134_AUDIO_MUTE_CTRL, mute ? |
4ac97914 | 217 | SAA7134_MUTE_MASK | |
1eaad5b1 NS |
218 | SAA7134_MUTE_ANALOG | |
219 | SAA7134_MUTE_I2S : | |
220 | SAA7134_MUTE_MASK); | |
1da177e4 LT |
221 | |
222 | /* switch internal audio mux */ | |
223 | switch (in->amux) { | |
224 | case TV: ausel=0xc0; ics=0x00; ocs=0x02; break; | |
225 | case LINE1: ausel=0x80; ics=0x00; ocs=0x00; break; | |
226 | case LINE2: ausel=0x80; ics=0x08; ocs=0x01; break; | |
227 | case LINE2_LEFT: ausel=0x80; ics=0x08; ocs=0x05; break; | |
228 | } | |
229 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, ausel); | |
230 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, ics); | |
231 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, ocs); | |
ac19ecc6 MCC |
232 | // for oss, we need to change the clock configuration |
233 | if (in->amux == TV) | |
234 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); | |
235 | else | |
236 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x01); | |
1da177e4 LT |
237 | |
238 | /* switch gpio-connected external audio mux */ | |
239 | if (0 == card(dev).gpiomask) | |
240 | return; | |
330a115a | 241 | |
1da177e4 LT |
242 | mask = card(dev).gpiomask; |
243 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); | |
244 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); | |
8fc34867 | 245 | saa7134_track_gpio(dev, saa7134_input_name[in->type]); |
1da177e4 LT |
246 | } |
247 | ||
248 | static void tvaudio_setmode(struct saa7134_dev *dev, | |
249 | struct saa7134_tvaudio *audio, | |
250 | char *note) | |
251 | { | |
252 | int acpf, tweak = 0; | |
253 | ||
254 | if (dev->tvnorm->id == V4L2_STD_NTSC) { | |
255 | acpf = 0x19066; | |
256 | } else { | |
257 | acpf = 0x1e000; | |
258 | } | |
259 | if (audio_clock_tweak > -1024 && audio_clock_tweak < 1024) | |
260 | tweak = audio_clock_tweak; | |
261 | ||
262 | if (note) | |
e67bcf3e MCC |
263 | audio_dbg(1, "tvaudio_setmode: %s %s [%d.%03d/%d.%03d MHz] acpf=%d%+d\n", |
264 | note, audio->name, | |
1da177e4 LT |
265 | audio->carr1 / 1000, audio->carr1 % 1000, |
266 | audio->carr2 / 1000, audio->carr2 % 1000, | |
267 | acpf, tweak); | |
268 | ||
269 | acpf += tweak; | |
270 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD0, (acpf & 0x0000ff) >> 0); | |
271 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD1, (acpf & 0x00ff00) >> 8); | |
272 | saa_writeb(SAA7134_AUDIO_CLOCKS_PER_FIELD2, (acpf & 0x030000) >> 16); | |
273 | tvaudio_setcarrier(dev,audio->carr1,audio->carr2); | |
274 | ||
275 | switch (audio->mode) { | |
276 | case TVAUDIO_FM_MONO: | |
277 | case TVAUDIO_FM_BG_STEREO: | |
278 | saa_writeb(SAA7134_DEMODULATOR, 0x00); | |
279 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
280 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); | |
281 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
282 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); | |
283 | break; | |
284 | case TVAUDIO_FM_K_STEREO: | |
285 | saa_writeb(SAA7134_DEMODULATOR, 0x00); | |
286 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x01); | |
287 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x22); | |
288 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
289 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0); | |
290 | break; | |
291 | case TVAUDIO_NICAM_FM: | |
292 | saa_writeb(SAA7134_DEMODULATOR, 0x10); | |
293 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
294 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); | |
295 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); | |
296 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); | |
297 | break; | |
298 | case TVAUDIO_NICAM_AM: | |
299 | saa_writeb(SAA7134_DEMODULATOR, 0x12); | |
300 | saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00); | |
301 | saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44); | |
302 | saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1); | |
303 | saa_writeb(SAA7134_NICAM_CONFIG, 0x00); | |
304 | break; | |
305 | case TVAUDIO_FM_SAT_STEREO: | |
306 | /* not implemented (yet) */ | |
307 | break; | |
308 | } | |
309 | } | |
310 | ||
311 | static int tvaudio_sleep(struct saa7134_dev *dev, int timeout) | |
312 | { | |
3e0e38e6 CH |
313 | if (dev->thread.scan1 == dev->thread.scan2 && |
314 | !kthread_should_stop()) { | |
1da177e4 LT |
315 | if (timeout < 0) { |
316 | set_current_state(TASK_INTERRUPTIBLE); | |
317 | schedule(); | |
318 | } else { | |
8b93ec77 NA |
319 | schedule_timeout_interruptible |
320 | (msecs_to_jiffies(timeout)); | |
1da177e4 LT |
321 | } |
322 | } | |
1da177e4 LT |
323 | return dev->thread.scan1 != dev->thread.scan2; |
324 | } | |
325 | ||
326 | static int tvaudio_checkcarrier(struct saa7134_dev *dev, struct mainscan *scan) | |
327 | { | |
328 | __s32 left,right,value; | |
329 | ||
a1dca1e3 SS |
330 | if (!(dev->tvnorm->id & scan->std)) { |
331 | value = 0; | |
e67bcf3e MCC |
332 | audio_dbg(1, "skipping %d.%03d MHz [%4s]\n", |
333 | scan->carr / 1000, scan->carr % 1000, scan->name); | |
a1dca1e3 SS |
334 | return 0; |
335 | } | |
336 | ||
1da177e4 LT |
337 | if (audio_debug > 1) { |
338 | int i; | |
e67bcf3e | 339 | audio_dbg(1, "debug %d:", scan->carr); |
1da177e4 LT |
340 | for (i = -150; i <= 150; i += 30) { |
341 | tvaudio_setcarrier(dev,scan->carr+i,scan->carr+i); | |
342 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
343 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
344 | return -1; | |
345 | value = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
346 | if (0 == i) | |
6139ebc6 | 347 | pr_cont(" # %6d # ", value >> 16); |
1da177e4 | 348 | else |
6139ebc6 | 349 | pr_cont(" %6d", value >> 16); |
1da177e4 | 350 | } |
e67bcf3e | 351 | pr_cont("\n"); |
1da177e4 | 352 | } |
a1dca1e3 SS |
353 | |
354 | tvaudio_setcarrier(dev,scan->carr-90,scan->carr-90); | |
355 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
356 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
357 | return -1; | |
358 | left = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
359 | ||
360 | tvaudio_setcarrier(dev,scan->carr+90,scan->carr+90); | |
361 | saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
362 | if (tvaudio_sleep(dev,SCAN_SAMPLE_DELAY)) | |
363 | return -1; | |
364 | right = saa_readl(SAA7134_LEVEL_READOUT1 >> 2); | |
365 | ||
366 | left >>= 16; | |
367 | right >>= 16; | |
368 | value = left > right ? left - right : right - left; | |
e67bcf3e MCC |
369 | audio_dbg(1, "scanning %d.%03d MHz [%4s] => dc is %5d [%d/%d]\n", |
370 | scan->carr / 1000, scan->carr % 1000, | |
371 | scan->name, value, left, right); | |
1da177e4 LT |
372 | return value; |
373 | } | |
374 | ||
1da177e4 LT |
375 | |
376 | static int tvaudio_getstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio) | |
377 | { | |
330a115a | 378 | __u32 idp, nicam, nicam_status; |
1da177e4 LT |
379 | int retval = -1; |
380 | ||
381 | switch (audio->mode) { | |
382 | case TVAUDIO_FM_MONO: | |
383 | return V4L2_TUNER_SUB_MONO; | |
384 | case TVAUDIO_FM_K_STEREO: | |
385 | case TVAUDIO_FM_BG_STEREO: | |
386 | idp = (saa_readb(SAA7134_IDENT_SIF) & 0xe0) >> 5; | |
e67bcf3e | 387 | audio_dbg(1, "getstereo: fm/stereo: idp=0x%x\n", idp); |
1da177e4 LT |
388 | if (0x03 == (idp & 0x03)) |
389 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
390 | else if (0x05 == (idp & 0x05)) | |
391 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
392 | else if (0x01 == (idp & 0x01)) | |
393 | retval = V4L2_TUNER_SUB_MONO; | |
394 | break; | |
395 | case TVAUDIO_FM_SAT_STEREO: | |
396 | /* not implemented (yet) */ | |
397 | break; | |
398 | case TVAUDIO_NICAM_FM: | |
399 | case TVAUDIO_NICAM_AM: | |
330a115a | 400 | nicam = saa_readb(SAA7134_AUDIO_STATUS); |
e67bcf3e | 401 | audio_dbg(1, "getstereo: nicam=0x%x\n", nicam); |
330a115a MCC |
402 | if (nicam & 0x1) { |
403 | nicam_status = saa_readb(SAA7134_NICAM_STATUS); | |
6139ebc6 MCC |
404 | audio_dbg(1, "getstereo: nicam_status=0x%x\n", |
405 | nicam_status); | |
330a115a MCC |
406 | |
407 | switch (nicam_status & 0x03) { | |
408 | case 0x01: | |
409 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
410 | break; | |
411 | case 0x02: | |
412 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
413 | break; | |
414 | default: | |
415 | retval = V4L2_TUNER_SUB_MONO; | |
416 | } | |
417 | } else { | |
418 | /* No nicam detected */ | |
1da177e4 LT |
419 | } |
420 | break; | |
421 | } | |
422 | if (retval != -1) | |
e67bcf3e | 423 | audio_dbg(1, "found audio subchannels:%s%s%s%s\n", |
1da177e4 LT |
424 | (retval & V4L2_TUNER_SUB_MONO) ? " mono" : "", |
425 | (retval & V4L2_TUNER_SUB_STEREO) ? " stereo" : "", | |
426 | (retval & V4L2_TUNER_SUB_LANG1) ? " lang1" : "", | |
427 | (retval & V4L2_TUNER_SUB_LANG2) ? " lang2" : ""); | |
428 | return retval; | |
429 | } | |
430 | ||
431 | static int tvaudio_setstereo(struct saa7134_dev *dev, struct saa7134_tvaudio *audio, | |
432 | u32 mode) | |
433 | { | |
434 | static char *name[] = { | |
435 | [ V4L2_TUNER_MODE_MONO ] = "mono", | |
436 | [ V4L2_TUNER_MODE_STEREO ] = "stereo", | |
437 | [ V4L2_TUNER_MODE_LANG1 ] = "lang1", | |
438 | [ V4L2_TUNER_MODE_LANG2 ] = "lang2", | |
301e22d6 | 439 | [ V4L2_TUNER_MODE_LANG1_LANG2 ] = "lang1+lang2", |
1da177e4 LT |
440 | }; |
441 | static u32 fm[] = { | |
442 | [ V4L2_TUNER_MODE_MONO ] = 0x00, /* ch1 */ | |
443 | [ V4L2_TUNER_MODE_STEREO ] = 0x80, /* auto */ | |
444 | [ V4L2_TUNER_MODE_LANG1 ] = 0x00, /* ch1 */ | |
445 | [ V4L2_TUNER_MODE_LANG2 ] = 0x01, /* ch2 */ | |
301e22d6 | 446 | [ V4L2_TUNER_MODE_LANG1_LANG2 ] = 0x80, /* auto */ |
1da177e4 LT |
447 | }; |
448 | u32 reg; | |
449 | ||
450 | switch (audio->mode) { | |
451 | case TVAUDIO_FM_MONO: | |
452 | /* nothing to do ... */ | |
453 | break; | |
454 | case TVAUDIO_FM_K_STEREO: | |
455 | case TVAUDIO_FM_BG_STEREO: | |
330a115a MCC |
456 | case TVAUDIO_NICAM_AM: |
457 | case TVAUDIO_NICAM_FM: | |
e67bcf3e MCC |
458 | audio_dbg(1, "setstereo [fm] => %s\n", |
459 | name[mode % ARRAY_SIZE(name)]); | |
1da177e4 LT |
460 | reg = fm[ mode % ARRAY_SIZE(fm) ]; |
461 | saa_writeb(SAA7134_FM_DEMATRIX, reg); | |
462 | break; | |
463 | case TVAUDIO_FM_SAT_STEREO: | |
330a115a | 464 | /* Not implemented */ |
1da177e4 LT |
465 | break; |
466 | } | |
467 | return 0; | |
468 | } | |
469 | ||
470 | static int tvaudio_thread(void *data) | |
471 | { | |
472 | struct saa7134_dev *dev = data; | |
473 | int carr_vals[ARRAY_SIZE(mainscan)]; | |
474 | unsigned int i, audio, nscan; | |
475 | int max1,max2,carrier,rx,mode,lastmode,default_carrier; | |
476 | ||
ea63d0b1 ML |
477 | set_freezable(); |
478 | ||
1da177e4 LT |
479 | for (;;) { |
480 | tvaudio_sleep(dev,-1); | |
ea63d0b1 | 481 | if (kthread_should_stop()) |
1da177e4 LT |
482 | goto done; |
483 | ||
484 | restart: | |
ea63d0b1 ML |
485 | try_to_freeze(); |
486 | ||
1da177e4 | 487 | dev->thread.scan1 = dev->thread.scan2; |
e67bcf3e MCC |
488 | audio_dbg(1, "tvaudio thread scan start [%d]\n", |
489 | dev->thread.scan1); | |
1da177e4 | 490 | dev->tvaudio = NULL; |
f36224d3 ML |
491 | |
492 | saa_writeb(SAA7134_MONITOR_SELECT, 0xa0); | |
493 | saa_writeb(SAA7134_FM_DEMATRIX, 0x80); | |
494 | ||
1da177e4 LT |
495 | if (dev->ctl_automute) |
496 | dev->automute = 1; | |
f36224d3 | 497 | |
1da177e4 LT |
498 | mute_input_7134(dev); |
499 | ||
500 | /* give the tuner some time */ | |
501 | if (tvaudio_sleep(dev,SCAN_INITIAL_DELAY)) | |
502 | goto restart; | |
503 | ||
504 | max1 = 0; | |
505 | max2 = 0; | |
506 | nscan = 0; | |
507 | carrier = 0; | |
508 | default_carrier = 0; | |
509 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
510 | if (!(dev->tvnorm->id & mainscan[i].std)) | |
511 | continue; | |
512 | if (!default_carrier) | |
513 | default_carrier = mainscan[i].carr; | |
514 | nscan++; | |
515 | } | |
516 | ||
517 | if (1 == nscan) { | |
518 | /* only one candidate -- skip scan ;) */ | |
e67bcf3e | 519 | audio_dbg(1, "only one main carrier candidate - skipping scan\n"); |
1da177e4 LT |
520 | max1 = 12345; |
521 | carrier = default_carrier; | |
522 | } else { | |
523 | /* scan for the main carrier */ | |
524 | saa_writeb(SAA7134_MONITOR_SELECT,0x00); | |
525 | tvaudio_setmode(dev,&tvaudio[0],NULL); | |
526 | for (i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
527 | carr_vals[i] = tvaudio_checkcarrier(dev, mainscan+i); | |
528 | if (dev->thread.scan1 != dev->thread.scan2) | |
529 | goto restart; | |
530 | } | |
531 | for (max1 = 0, max2 = 0, i = 0; i < ARRAY_SIZE(mainscan); i++) { | |
532 | if (max1 < carr_vals[i]) { | |
533 | max2 = max1; | |
534 | max1 = carr_vals[i]; | |
535 | carrier = mainscan[i].carr; | |
536 | } else if (max2 < carr_vals[i]) { | |
537 | max2 = carr_vals[i]; | |
538 | } | |
539 | } | |
540 | } | |
541 | ||
542 | if (0 != carrier && max1 > 2000 && max1 > max2*3) { | |
543 | /* found good carrier */ | |
e67bcf3e MCC |
544 | audio_dbg(1, "found %s main sound carrier @ %d.%03d MHz [%d/%d]\n", |
545 | dev->tvnorm->name, carrier/1000, carrier%1000, | |
546 | max1, max2); | |
1da177e4 | 547 | dev->last_carrier = carrier; |
a1dca1e3 | 548 | dev->automute = 0; |
1da177e4 LT |
549 | |
550 | } else if (0 != dev->last_carrier) { | |
551 | /* no carrier -- try last detected one as fallback */ | |
552 | carrier = dev->last_carrier; | |
e67bcf3e MCC |
553 | audio_dbg(1, "audio carrier scan failed, using %d.%03d MHz [last detected]\n", |
554 | carrier/1000, carrier%1000); | |
a1dca1e3 | 555 | dev->automute = 1; |
1da177e4 LT |
556 | |
557 | } else { | |
558 | /* no carrier + no fallback -- use default */ | |
559 | carrier = default_carrier; | |
e67bcf3e MCC |
560 | audio_dbg(1, "audio carrier scan failed, using %d.%03d MHz [default]\n", |
561 | carrier/1000, carrier%1000); | |
a1dca1e3 | 562 | dev->automute = 1; |
1da177e4 LT |
563 | } |
564 | tvaudio_setcarrier(dev,carrier,carrier); | |
1da177e4 LT |
565 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x00); |
566 | saa7134_tvaudio_setmute(dev); | |
1da177e4 LT |
567 | /* find the exact tv audio norm */ |
568 | for (audio = UNSET, i = 0; i < TVAUDIO; i++) { | |
569 | if (dev->tvnorm->id != UNSET && | |
330a115a | 570 | !(dev->tvnorm->id & tvaudio[i].std)) |
1da177e4 LT |
571 | continue; |
572 | if (tvaudio[i].carr1 != carrier) | |
573 | continue; | |
17b10a73 | 574 | /* Note: at least the primary carrier is right here */ |
1da177e4 LT |
575 | if (UNSET == audio) |
576 | audio = i; | |
577 | tvaudio_setmode(dev,&tvaudio[i],"trying"); | |
578 | if (tvaudio_sleep(dev,SCAN_SUBCARRIER_DELAY)) | |
579 | goto restart; | |
580 | if (-1 != tvaudio_getstereo(dev,&tvaudio[i])) { | |
581 | audio = i; | |
582 | break; | |
583 | } | |
584 | } | |
585 | saa_andorb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0x30, 0x30); | |
586 | if (UNSET == audio) | |
587 | continue; | |
588 | tvaudio_setmode(dev,&tvaudio[audio],"using"); | |
17b10a73 | 589 | |
1da177e4 LT |
590 | tvaudio_setstereo(dev,&tvaudio[audio],V4L2_TUNER_MODE_MONO); |
591 | dev->tvaudio = &tvaudio[audio]; | |
592 | ||
593 | lastmode = 42; | |
594 | for (;;) { | |
ea63d0b1 ML |
595 | |
596 | try_to_freeze(); | |
597 | ||
1da177e4 LT |
598 | if (tvaudio_sleep(dev,5000)) |
599 | goto restart; | |
ea63d0b1 | 600 | if (kthread_should_stop()) |
1da177e4 LT |
601 | break; |
602 | if (UNSET == dev->thread.mode) { | |
e82db75d | 603 | rx = tvaudio_getstereo(dev, &tvaudio[audio]); |
1da177e4 LT |
604 | mode = saa7134_tvaudio_rx2mode(rx); |
605 | } else { | |
606 | mode = dev->thread.mode; | |
607 | } | |
608 | if (lastmode != mode) { | |
609 | tvaudio_setstereo(dev,&tvaudio[audio],mode); | |
610 | lastmode = mode; | |
611 | } | |
612 | } | |
613 | } | |
614 | ||
615 | done: | |
ea63d0b1 | 616 | dev->thread.stopped = 1; |
1da177e4 LT |
617 | return 0; |
618 | } | |
619 | ||
620 | /* ------------------------------------------------------------------ */ | |
621 | /* saa7133 / saa7135 code */ | |
622 | ||
623 | static char *stdres[0x20] = { | |
624 | [0x00] = "no standard detected", | |
625 | [0x01] = "B/G (in progress)", | |
626 | [0x02] = "D/K (in progress)", | |
627 | [0x03] = "M (in progress)", | |
628 | ||
629 | [0x04] = "B/G A2", | |
630 | [0x05] = "B/G NICAM", | |
631 | [0x06] = "D/K A2 (1)", | |
632 | [0x07] = "D/K A2 (2)", | |
633 | [0x08] = "D/K A2 (3)", | |
634 | [0x09] = "D/K NICAM", | |
635 | [0x0a] = "L NICAM", | |
636 | [0x0b] = "I NICAM", | |
637 | ||
638 | [0x0c] = "M Korea", | |
639 | [0x0d] = "M BTSC ", | |
640 | [0x0e] = "M EIAJ", | |
641 | ||
642 | [0x0f] = "FM radio / IF 10.7 / 50 deemp", | |
643 | [0x10] = "FM radio / IF 10.7 / 75 deemp", | |
644 | [0x11] = "FM radio / IF sel / 50 deemp", | |
645 | [0x12] = "FM radio / IF sel / 75 deemp", | |
646 | ||
647 | [0x13 ... 0x1e ] = "unknown", | |
648 | [0x1f] = "??? [in progress]", | |
649 | }; | |
650 | ||
651 | #define DSP_RETRY 32 | |
652 | #define DSP_DELAY 16 | |
867bc6cc HH |
653 | #define SAA7135_DSP_RWCLEAR_RERR 1 |
654 | ||
655 | static inline int saa_dsp_reset_error_bit(struct saa7134_dev *dev) | |
656 | { | |
657 | int state = saa_readb(SAA7135_DSP_RWSTATE); | |
658 | if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) { | |
e67bcf3e | 659 | audio_dbg(2, "%s: resetting error bit\n", dev->name); |
867bc6cc HH |
660 | saa_writeb(SAA7135_DSP_RWCLEAR, SAA7135_DSP_RWCLEAR_RERR); |
661 | } | |
662 | return 0; | |
663 | } | |
1da177e4 LT |
664 | |
665 | static inline int saa_dsp_wait_bit(struct saa7134_dev *dev, int bit) | |
666 | { | |
667 | int state, count = DSP_RETRY; | |
668 | ||
669 | state = saa_readb(SAA7135_DSP_RWSTATE); | |
670 | if (unlikely(state & SAA7135_DSP_RWSTATE_ERR)) { | |
83582009 | 671 | pr_warn("%s: dsp access error\n", dev->name); |
867bc6cc | 672 | saa_dsp_reset_error_bit(dev); |
1da177e4 LT |
673 | return -EIO; |
674 | } | |
675 | while (0 == (state & bit)) { | |
676 | if (unlikely(0 == count)) { | |
2bb3e2ee MCC |
677 | pr_err("dsp access wait timeout [bit=%s]\n", |
678 | (bit & SAA7135_DSP_RWSTATE_WRR) ? "WRR" : | |
679 | (bit & SAA7135_DSP_RWSTATE_RDB) ? "RDB" : | |
680 | (bit & SAA7135_DSP_RWSTATE_IDA) ? "IDA" : | |
681 | "???"); | |
1da177e4 LT |
682 | return -EIO; |
683 | } | |
684 | saa_wait(DSP_DELAY); | |
685 | state = saa_readb(SAA7135_DSP_RWSTATE); | |
686 | count--; | |
687 | } | |
688 | return 0; | |
689 | } | |
690 | ||
1da177e4 LT |
691 | |
692 | int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value) | |
693 | { | |
694 | int err; | |
695 | ||
e67bcf3e | 696 | audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n", reg << 2, value); |
1da177e4 LT |
697 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); |
698 | if (err < 0) | |
699 | return err; | |
700 | saa_writel(reg,value); | |
701 | err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR); | |
702 | if (err < 0) | |
703 | return err; | |
704 | return 0; | |
705 | } | |
706 | ||
707 | static int getstereo_7133(struct saa7134_dev *dev) | |
708 | { | |
709 | int retval = V4L2_TUNER_SUB_MONO; | |
710 | u32 value; | |
711 | ||
712 | value = saa_readl(0x528 >> 2); | |
713 | if (value & 0x20) | |
714 | retval = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
715 | if (value & 0x40) | |
716 | retval = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
717 | return retval; | |
718 | } | |
719 | ||
720 | static int mute_input_7133(struct saa7134_dev *dev) | |
721 | { | |
722 | u32 reg = 0; | |
330a115a | 723 | u32 xbarin, xbarout; |
1da177e4 | 724 | int mask; |
330a115a | 725 | struct saa7134_input *in; |
1da177e4 | 726 | |
330a115a | 727 | xbarin = 0x03; |
1da177e4 LT |
728 | switch (dev->input->amux) { |
729 | case TV: | |
730 | reg = 0x02; | |
330a115a | 731 | xbarin = 0; |
1da177e4 LT |
732 | break; |
733 | case LINE1: | |
734 | reg = 0x00; | |
735 | break; | |
736 | case LINE2: | |
737 | case LINE2_LEFT: | |
330a115a | 738 | reg = 0x09; |
1da177e4 LT |
739 | break; |
740 | } | |
330a115a MCC |
741 | saa_dsp_writel(dev, 0x464 >> 2, xbarin); |
742 | if (dev->ctl_mute) { | |
1da177e4 | 743 | reg = 0x07; |
330a115a MCC |
744 | xbarout = 0xbbbbbb; |
745 | } else | |
746 | xbarout = 0xbbbb10; | |
747 | saa_dsp_writel(dev, 0x46c >> 2, xbarout); | |
748 | ||
1da177e4 LT |
749 | saa_writel(0x594 >> 2, reg); |
750 | ||
330a115a | 751 | |
1da177e4 | 752 | /* switch gpio-connected external audio mux */ |
4ac97914 MCC |
753 | if (0 != card(dev).gpiomask) { |
754 | mask = card(dev).gpiomask; | |
330a115a | 755 | |
8fc34867 | 756 | if (card(dev).mute.type && dev->ctl_mute) |
330a115a MCC |
757 | in = &card(dev).mute; |
758 | else | |
759 | in = dev->input; | |
760 | ||
4ac97914 MCC |
761 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, mask, mask); |
762 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, mask, in->gpio); | |
8fc34867 | 763 | saa7134_track_gpio(dev, saa7134_input_name[in->type]); |
1da177e4 | 764 | } |
330a115a | 765 | |
1da177e4 LT |
766 | return 0; |
767 | } | |
768 | ||
769 | static int tvaudio_thread_ddep(void *data) | |
770 | { | |
771 | struct saa7134_dev *dev = data; | |
f36224d3 | 772 | u32 value, norms; |
1da177e4 | 773 | |
ea63d0b1 | 774 | set_freezable(); |
1da177e4 LT |
775 | for (;;) { |
776 | tvaudio_sleep(dev,-1); | |
ea63d0b1 | 777 | if (kthread_should_stop()) |
1da177e4 | 778 | goto done; |
1da177e4 | 779 | restart: |
ea63d0b1 ML |
780 | try_to_freeze(); |
781 | ||
1da177e4 | 782 | dev->thread.scan1 = dev->thread.scan2; |
e67bcf3e MCC |
783 | audio_dbg(1, "tvaudio thread scan start [%d]\n", |
784 | dev->thread.scan1); | |
1da177e4 LT |
785 | |
786 | if (audio_ddep >= 0x04 && audio_ddep <= 0x0e) { | |
787 | /* insmod option override */ | |
788 | norms = (audio_ddep << 2) | 0x01; | |
e67bcf3e MCC |
789 | audio_dbg(1, "ddep override: %s\n", |
790 | stdres[audio_ddep]); | |
1da177e4 | 791 | } else if (&card(dev).radio == dev->input) { |
e67bcf3e | 792 | audio_dbg(1, "FM Radio\n"); |
0f79c363 HH |
793 | if (dev->tuner_type == TUNER_PHILIPS_TDA8290) { |
794 | norms = (0x11 << 2) | 0x01; | |
34fe2784 | 795 | /* set IF frequency to 5.5 MHz */ |
0f79c363 HH |
796 | saa_dsp_writel(dev, 0x42c >> 2, 0x729555); |
797 | } else { | |
798 | norms = (0x0f << 2) | 0x01; | |
799 | } | |
1da177e4 LT |
800 | } else { |
801 | /* (let chip) scan for sound carrier */ | |
802 | norms = 0; | |
17b10a73 HH |
803 | if (dev->tvnorm->id & (V4L2_STD_B | V4L2_STD_GH)) |
804 | norms |= 0x04; | |
805 | if (dev->tvnorm->id & V4L2_STD_PAL_I) | |
806 | norms |= 0x20; | |
807 | if (dev->tvnorm->id & V4L2_STD_DK) | |
808 | norms |= 0x08; | |
809 | if (dev->tvnorm->id & V4L2_STD_MN) | |
810 | norms |= 0x40; | |
811 | if (dev->tvnorm->id & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) | |
812 | norms |= 0x10; | |
1da177e4 LT |
813 | if (0 == norms) |
814 | norms = 0x7c; /* all */ | |
e67bcf3e MCC |
815 | audio_dbg(1, "scanning:%s%s%s%s%s\n", |
816 | (norms & 0x04) ? " B/G" : "", | |
817 | (norms & 0x08) ? " D/K" : "", | |
818 | (norms & 0x10) ? " L/L'" : "", | |
819 | (norms & 0x20) ? " I" : "", | |
820 | (norms & 0x40) ? " M" : ""); | |
1da177e4 LT |
821 | } |
822 | ||
823 | /* kick automatic standard detection */ | |
824 | saa_dsp_writel(dev, 0x454 >> 2, 0); | |
825 | saa_dsp_writel(dev, 0x454 >> 2, norms | 0x80); | |
826 | ||
827 | /* setup crossbars */ | |
828 | saa_dsp_writel(dev, 0x464 >> 2, 0x000000); | |
829 | saa_dsp_writel(dev, 0x470 >> 2, 0x101010); | |
830 | ||
831 | if (tvaudio_sleep(dev,3000)) | |
832 | goto restart; | |
833 | value = saa_readl(0x528 >> 2) & 0xffffff; | |
834 | ||
e67bcf3e MCC |
835 | audio_dbg(1, "tvaudio thread status: 0x%x [%s%s%s]\n", |
836 | value, stdres[value & 0x1f], | |
837 | (value & 0x000020) ? ",stereo" : "", | |
838 | (value & 0x000040) ? ",dual" : ""); | |
839 | audio_dbg(1, "detailed status: %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 " : ""); | |
1da177e4 LT |
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) Â */ | |
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; |
a1dca1e3 | 1023 | dev->thread.scan1 = dev->thread.scan2 = 0; |
1da177e4 | 1024 | if (my_thread) { |
f36224d3 | 1025 | saa7134_tvaudio_init(dev); |
1da177e4 | 1026 | /* start tvaudio thread */ |
3e0e38e6 CH |
1027 | dev->thread.thread = kthread_run(my_thread, dev, "%s", dev->name); |
1028 | if (IS_ERR(dev->thread.thread)) { | |
83582009 | 1029 | pr_warn("%s: kernel_thread() failed\n", |
1da177e4 | 1030 | dev->name); |
3e0e38e6 CH |
1031 | /* XXX: missing error handling here */ |
1032 | } | |
1da177e4 LT |
1033 | } |
1034 | ||
1035 | saa7134_enable_i2s(dev); | |
1036 | return 0; | |
1037 | } | |
1038 | ||
a1dca1e3 SS |
1039 | int saa7134_tvaudio_close(struct saa7134_dev *dev) |
1040 | { | |
1041 | dev->automute = 1; | |
1042 | /* anything else to undo? */ | |
1043 | return 0; | |
1044 | } | |
1045 | ||
1da177e4 LT |
1046 | int saa7134_tvaudio_fini(struct saa7134_dev *dev) |
1047 | { | |
1048 | /* shutdown tvaudio thread */ | |
ea63d0b1 | 1049 | if (dev->thread.thread && !dev->thread.stopped) |
3e0e38e6 CH |
1050 | kthread_stop(dev->thread.thread); |
1051 | ||
1da177e4 LT |
1052 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x07, 0x00); /* LINE1 */ |
1053 | return 0; | |
1054 | } | |
1055 | ||
1056 | int saa7134_tvaudio_do_scan(struct saa7134_dev *dev) | |
1057 | { | |
17b10a73 | 1058 | if (dev->input->amux != TV) { |
e67bcf3e | 1059 | audio_dbg(1, "sound IF not in use, skipping scan\n"); |
17b10a73 HH |
1060 | dev->automute = 0; |
1061 | saa7134_tvaudio_setmute(dev); | |
3e0e38e6 | 1062 | } else if (dev->thread.thread) { |
1da177e4 LT |
1063 | dev->thread.mode = UNSET; |
1064 | dev->thread.scan2++; | |
ea63d0b1 ML |
1065 | |
1066 | if (!dev->insuspend && !dev->thread.stopped) | |
1067 | wake_up_process(dev->thread.thread); | |
1da177e4 LT |
1068 | } else { |
1069 | dev->automute = 0; | |
1070 | saa7134_tvaudio_setmute(dev); | |
1071 | } | |
1072 | return 0; | |
1073 | } | |
1074 | ||
79dd0c69 | 1075 | EXPORT_SYMBOL(saa_dsp_writel); |
e9f964da | 1076 | EXPORT_SYMBOL(saa7134_tvaudio_setmute); |