diff options
Diffstat (limited to 'sound/pci/oxygen/oxygen_pcm.c')
-rw-r--r-- | sound/pci/oxygen/oxygen_pcm.c | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c new file mode 100644 index 000000000000..dfad3db35c82 --- /dev/null +++ b/sound/pci/oxygen/oxygen_pcm.c | |||
@@ -0,0 +1,718 @@ | |||
1 | /* | ||
2 | * C-Media CMI8788 driver - PCM code | ||
3 | * | ||
4 | * Copyright (c) Clemens Ladisch <clemens@ladisch.de> | ||
5 | * | ||
6 | * | ||
7 | * This driver is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License, version 2. | ||
9 | * | ||
10 | * This driver is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this driver; if not, write to the Free Software | ||
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | */ | ||
19 | |||
20 | #include <linux/pci.h> | ||
21 | #include <sound/control.h> | ||
22 | #include <sound/core.h> | ||
23 | #include <sound/pcm.h> | ||
24 | #include <sound/pcm_params.h> | ||
25 | #include "oxygen.h" | ||
26 | |||
27 | static const struct snd_pcm_hardware oxygen_stereo_hardware = { | ||
28 | .info = SNDRV_PCM_INFO_MMAP | | ||
29 | SNDRV_PCM_INFO_MMAP_VALID | | ||
30 | SNDRV_PCM_INFO_INTERLEAVED | | ||
31 | SNDRV_PCM_INFO_PAUSE | | ||
32 | SNDRV_PCM_INFO_SYNC_START, | ||
33 | .formats = SNDRV_PCM_FMTBIT_S16_LE | | ||
34 | SNDRV_PCM_FMTBIT_S32_LE, | ||
35 | .rates = SNDRV_PCM_RATE_32000 | | ||
36 | SNDRV_PCM_RATE_44100 | | ||
37 | SNDRV_PCM_RATE_48000 | | ||
38 | SNDRV_PCM_RATE_64000 | | ||
39 | SNDRV_PCM_RATE_88200 | | ||
40 | SNDRV_PCM_RATE_96000 | | ||
41 | SNDRV_PCM_RATE_176400 | | ||
42 | SNDRV_PCM_RATE_192000, | ||
43 | .rate_min = 32000, | ||
44 | .rate_max = 192000, | ||
45 | .channels_min = 2, | ||
46 | .channels_max = 2, | ||
47 | .buffer_bytes_max = 256 * 1024, | ||
48 | .period_bytes_min = 128, | ||
49 | .period_bytes_max = 128 * 1024, | ||
50 | .periods_min = 2, | ||
51 | .periods_max = 2048, | ||
52 | }; | ||
53 | static const struct snd_pcm_hardware oxygen_multichannel_hardware = { | ||
54 | .info = SNDRV_PCM_INFO_MMAP | | ||
55 | SNDRV_PCM_INFO_MMAP_VALID | | ||
56 | SNDRV_PCM_INFO_INTERLEAVED | | ||
57 | SNDRV_PCM_INFO_PAUSE | | ||
58 | SNDRV_PCM_INFO_SYNC_START, | ||
59 | .formats = SNDRV_PCM_FMTBIT_S16_LE | | ||
60 | SNDRV_PCM_FMTBIT_S32_LE, | ||
61 | .rates = SNDRV_PCM_RATE_32000 | | ||
62 | SNDRV_PCM_RATE_44100 | | ||
63 | SNDRV_PCM_RATE_48000 | | ||
64 | SNDRV_PCM_RATE_64000 | | ||
65 | SNDRV_PCM_RATE_88200 | | ||
66 | SNDRV_PCM_RATE_96000 | | ||
67 | SNDRV_PCM_RATE_176400 | | ||
68 | SNDRV_PCM_RATE_192000, | ||
69 | .rate_min = 32000, | ||
70 | .rate_max = 192000, | ||
71 | .channels_min = 2, | ||
72 | .channels_max = 8, | ||
73 | .buffer_bytes_max = 2048 * 1024, | ||
74 | .period_bytes_min = 128, | ||
75 | .period_bytes_max = 256 * 1024, | ||
76 | .periods_min = 2, | ||
77 | .periods_max = 16384, | ||
78 | }; | ||
79 | static const struct snd_pcm_hardware oxygen_ac97_hardware = { | ||
80 | .info = SNDRV_PCM_INFO_MMAP | | ||
81 | SNDRV_PCM_INFO_MMAP_VALID | | ||
82 | SNDRV_PCM_INFO_INTERLEAVED | | ||
83 | SNDRV_PCM_INFO_PAUSE | | ||
84 | SNDRV_PCM_INFO_SYNC_START, | ||
85 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | ||
86 | .rates = SNDRV_PCM_RATE_48000, | ||
87 | .rate_min = 48000, | ||
88 | .rate_max = 48000, | ||
89 | .channels_min = 2, | ||
90 | .channels_max = 2, | ||
91 | .buffer_bytes_max = 256 * 1024, | ||
92 | .period_bytes_min = 128, | ||
93 | .period_bytes_max = 128 * 1024, | ||
94 | .periods_min = 2, | ||
95 | .periods_max = 2048, | ||
96 | }; | ||
97 | |||
98 | static const struct snd_pcm_hardware *const oxygen_hardware[PCM_COUNT] = { | ||
99 | [PCM_A] = &oxygen_stereo_hardware, | ||
100 | [PCM_B] = &oxygen_stereo_hardware, | ||
101 | [PCM_C] = &oxygen_stereo_hardware, | ||
102 | [PCM_SPDIF] = &oxygen_stereo_hardware, | ||
103 | [PCM_MULTICH] = &oxygen_multichannel_hardware, | ||
104 | [PCM_AC97] = &oxygen_ac97_hardware, | ||
105 | }; | ||
106 | |||
107 | static inline unsigned int | ||
108 | oxygen_substream_channel(struct snd_pcm_substream *substream) | ||
109 | { | ||
110 | return (unsigned int)(uintptr_t)substream->runtime->private_data; | ||
111 | } | ||
112 | |||
113 | static int oxygen_open(struct snd_pcm_substream *substream, | ||
114 | unsigned int channel) | ||
115 | { | ||
116 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
117 | struct snd_pcm_runtime *runtime = substream->runtime; | ||
118 | int err; | ||
119 | |||
120 | runtime->private_data = (void *)(uintptr_t)channel; | ||
121 | if (channel == PCM_B && chip->has_ac97_1 && | ||
122 | (chip->model->used_channels & OXYGEN_CHANNEL_AC97)) | ||
123 | runtime->hw = oxygen_ac97_hardware; | ||
124 | else | ||
125 | runtime->hw = *oxygen_hardware[channel]; | ||
126 | switch (channel) { | ||
127 | case PCM_C: | ||
128 | runtime->hw.rates &= ~(SNDRV_PCM_RATE_32000 | | ||
129 | SNDRV_PCM_RATE_64000); | ||
130 | runtime->hw.rate_min = 44100; | ||
131 | break; | ||
132 | case PCM_MULTICH: | ||
133 | runtime->hw.channels_max = chip->model->dac_channels; | ||
134 | break; | ||
135 | } | ||
136 | if (chip->model->pcm_hardware_filter) | ||
137 | chip->model->pcm_hardware_filter(channel, &runtime->hw); | ||
138 | err = snd_pcm_hw_constraint_step(runtime, 0, | ||
139 | SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); | ||
140 | if (err < 0) | ||
141 | return err; | ||
142 | err = snd_pcm_hw_constraint_step(runtime, 0, | ||
143 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32); | ||
144 | if (err < 0) | ||
145 | return err; | ||
146 | if (runtime->hw.formats & SNDRV_PCM_FMTBIT_S32_LE) { | ||
147 | err = snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); | ||
148 | if (err < 0) | ||
149 | return err; | ||
150 | } | ||
151 | if (runtime->hw.channels_max > 2) { | ||
152 | err = snd_pcm_hw_constraint_step(runtime, 0, | ||
153 | SNDRV_PCM_HW_PARAM_CHANNELS, | ||
154 | 2); | ||
155 | if (err < 0) | ||
156 | return err; | ||
157 | } | ||
158 | snd_pcm_set_sync(substream); | ||
159 | chip->streams[channel] = substream; | ||
160 | |||
161 | mutex_lock(&chip->mutex); | ||
162 | chip->pcm_active |= 1 << channel; | ||
163 | if (channel == PCM_SPDIF) { | ||
164 | chip->spdif_pcm_bits = chip->spdif_bits; | ||
165 | chip->controls[CONTROL_SPDIF_PCM]->vd[0].access &= | ||
166 | ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; | ||
167 | snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | | ||
168 | SNDRV_CTL_EVENT_MASK_INFO, | ||
169 | &chip->controls[CONTROL_SPDIF_PCM]->id); | ||
170 | } | ||
171 | mutex_unlock(&chip->mutex); | ||
172 | |||
173 | return 0; | ||
174 | } | ||
175 | |||
176 | static int oxygen_rec_a_open(struct snd_pcm_substream *substream) | ||
177 | { | ||
178 | return oxygen_open(substream, PCM_A); | ||
179 | } | ||
180 | |||
181 | static int oxygen_rec_b_open(struct snd_pcm_substream *substream) | ||
182 | { | ||
183 | return oxygen_open(substream, PCM_B); | ||
184 | } | ||
185 | |||
186 | static int oxygen_rec_c_open(struct snd_pcm_substream *substream) | ||
187 | { | ||
188 | return oxygen_open(substream, PCM_C); | ||
189 | } | ||
190 | |||
191 | static int oxygen_spdif_open(struct snd_pcm_substream *substream) | ||
192 | { | ||
193 | return oxygen_open(substream, PCM_SPDIF); | ||
194 | } | ||
195 | |||
196 | static int oxygen_multich_open(struct snd_pcm_substream *substream) | ||
197 | { | ||
198 | return oxygen_open(substream, PCM_MULTICH); | ||
199 | } | ||
200 | |||
201 | static int oxygen_ac97_open(struct snd_pcm_substream *substream) | ||
202 | { | ||
203 | return oxygen_open(substream, PCM_AC97); | ||
204 | } | ||
205 | |||
206 | static int oxygen_close(struct snd_pcm_substream *substream) | ||
207 | { | ||
208 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
209 | unsigned int channel = oxygen_substream_channel(substream); | ||
210 | |||
211 | mutex_lock(&chip->mutex); | ||
212 | chip->pcm_active &= ~(1 << channel); | ||
213 | if (channel == PCM_SPDIF) { | ||
214 | chip->controls[CONTROL_SPDIF_PCM]->vd[0].access |= | ||
215 | SNDRV_CTL_ELEM_ACCESS_INACTIVE; | ||
216 | snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | | ||
217 | SNDRV_CTL_EVENT_MASK_INFO, | ||
218 | &chip->controls[CONTROL_SPDIF_PCM]->id); | ||
219 | } | ||
220 | if (channel == PCM_SPDIF || channel == PCM_MULTICH) | ||
221 | oxygen_update_spdif_source(chip); | ||
222 | mutex_unlock(&chip->mutex); | ||
223 | |||
224 | chip->streams[channel] = NULL; | ||
225 | return 0; | ||
226 | } | ||
227 | |||
228 | static unsigned int oxygen_format(struct snd_pcm_hw_params *hw_params) | ||
229 | { | ||
230 | if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE) | ||
231 | return OXYGEN_FORMAT_24; | ||
232 | else | ||
233 | return OXYGEN_FORMAT_16; | ||
234 | } | ||
235 | |||
236 | static unsigned int oxygen_rate(struct snd_pcm_hw_params *hw_params) | ||
237 | { | ||
238 | switch (params_rate(hw_params)) { | ||
239 | case 32000: | ||
240 | return OXYGEN_RATE_32000; | ||
241 | case 44100: | ||
242 | return OXYGEN_RATE_44100; | ||
243 | default: /* 48000 */ | ||
244 | return OXYGEN_RATE_48000; | ||
245 | case 64000: | ||
246 | return OXYGEN_RATE_64000; | ||
247 | case 88200: | ||
248 | return OXYGEN_RATE_88200; | ||
249 | case 96000: | ||
250 | return OXYGEN_RATE_96000; | ||
251 | case 176400: | ||
252 | return OXYGEN_RATE_176400; | ||
253 | case 192000: | ||
254 | return OXYGEN_RATE_192000; | ||
255 | } | ||
256 | } | ||
257 | |||
258 | static unsigned int oxygen_i2s_mclk(struct snd_pcm_hw_params *hw_params) | ||
259 | { | ||
260 | if (params_rate(hw_params) <= 96000) | ||
261 | return OXYGEN_I2S_MCLK_256; | ||
262 | else | ||
263 | return OXYGEN_I2S_MCLK_128; | ||
264 | } | ||
265 | |||
266 | static unsigned int oxygen_i2s_bits(struct snd_pcm_hw_params *hw_params) | ||
267 | { | ||
268 | if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE) | ||
269 | return OXYGEN_I2S_BITS_24; | ||
270 | else | ||
271 | return OXYGEN_I2S_BITS_16; | ||
272 | } | ||
273 | |||
274 | static unsigned int oxygen_play_channels(struct snd_pcm_hw_params *hw_params) | ||
275 | { | ||
276 | switch (params_channels(hw_params)) { | ||
277 | default: /* 2 */ | ||
278 | return OXYGEN_PLAY_CHANNELS_2; | ||
279 | case 4: | ||
280 | return OXYGEN_PLAY_CHANNELS_4; | ||
281 | case 6: | ||
282 | return OXYGEN_PLAY_CHANNELS_6; | ||
283 | case 8: | ||
284 | return OXYGEN_PLAY_CHANNELS_8; | ||
285 | } | ||
286 | } | ||
287 | |||
288 | static const unsigned int channel_base_registers[PCM_COUNT] = { | ||
289 | [PCM_A] = OXYGEN_DMA_A_ADDRESS, | ||
290 | [PCM_B] = OXYGEN_DMA_B_ADDRESS, | ||
291 | [PCM_C] = OXYGEN_DMA_C_ADDRESS, | ||
292 | [PCM_SPDIF] = OXYGEN_DMA_SPDIF_ADDRESS, | ||
293 | [PCM_MULTICH] = OXYGEN_DMA_MULTICH_ADDRESS, | ||
294 | [PCM_AC97] = OXYGEN_DMA_AC97_ADDRESS, | ||
295 | }; | ||
296 | |||
297 | static int oxygen_hw_params(struct snd_pcm_substream *substream, | ||
298 | struct snd_pcm_hw_params *hw_params) | ||
299 | { | ||
300 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
301 | unsigned int channel = oxygen_substream_channel(substream); | ||
302 | int err; | ||
303 | |||
304 | err = snd_pcm_lib_malloc_pages(substream, | ||
305 | params_buffer_bytes(hw_params)); | ||
306 | if (err < 0) | ||
307 | return err; | ||
308 | |||
309 | oxygen_write32(chip, channel_base_registers[channel], | ||
310 | (u32)substream->runtime->dma_addr); | ||
311 | if (channel == PCM_MULTICH) { | ||
312 | oxygen_write32(chip, OXYGEN_DMA_MULTICH_COUNT, | ||
313 | params_buffer_bytes(hw_params) / 4 - 1); | ||
314 | oxygen_write32(chip, OXYGEN_DMA_MULTICH_TCOUNT, | ||
315 | params_period_bytes(hw_params) / 4 - 1); | ||
316 | } else { | ||
317 | oxygen_write16(chip, channel_base_registers[channel] + 4, | ||
318 | params_buffer_bytes(hw_params) / 4 - 1); | ||
319 | oxygen_write16(chip, channel_base_registers[channel] + 6, | ||
320 | params_period_bytes(hw_params) / 4 - 1); | ||
321 | } | ||
322 | return 0; | ||
323 | } | ||
324 | |||
325 | static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream, | ||
326 | struct snd_pcm_hw_params *hw_params) | ||
327 | { | ||
328 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
329 | int err; | ||
330 | |||
331 | err = oxygen_hw_params(substream, hw_params); | ||
332 | if (err < 0) | ||
333 | return err; | ||
334 | |||
335 | spin_lock_irq(&chip->reg_lock); | ||
336 | oxygen_write8_masked(chip, OXYGEN_REC_FORMAT, | ||
337 | oxygen_format(hw_params) << OXYGEN_REC_FORMAT_A_SHIFT, | ||
338 | OXYGEN_REC_FORMAT_A_MASK); | ||
339 | oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT, | ||
340 | oxygen_rate(hw_params) | | ||
341 | oxygen_i2s_mclk(hw_params) | | ||
342 | chip->model->adc_i2s_format | | ||
343 | oxygen_i2s_bits(hw_params), | ||
344 | OXYGEN_I2S_RATE_MASK | | ||
345 | OXYGEN_I2S_FORMAT_MASK | | ||
346 | OXYGEN_I2S_MCLK_MASK | | ||
347 | OXYGEN_I2S_BITS_MASK); | ||
348 | spin_unlock_irq(&chip->reg_lock); | ||
349 | |||
350 | mutex_lock(&chip->mutex); | ||
351 | chip->model->set_adc_params(chip, hw_params); | ||
352 | mutex_unlock(&chip->mutex); | ||
353 | return 0; | ||
354 | } | ||
355 | |||
356 | static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream, | ||
357 | struct snd_pcm_hw_params *hw_params) | ||
358 | { | ||
359 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
360 | int is_ac97; | ||
361 | int err; | ||
362 | |||
363 | err = oxygen_hw_params(substream, hw_params); | ||
364 | if (err < 0) | ||
365 | return err; | ||
366 | |||
367 | is_ac97 = chip->has_ac97_1 && | ||
368 | (chip->model->used_channels & OXYGEN_CHANNEL_AC97); | ||
369 | |||
370 | spin_lock_irq(&chip->reg_lock); | ||
371 | oxygen_write8_masked(chip, OXYGEN_REC_FORMAT, | ||
372 | oxygen_format(hw_params) << OXYGEN_REC_FORMAT_B_SHIFT, | ||
373 | OXYGEN_REC_FORMAT_B_MASK); | ||
374 | if (!is_ac97) | ||
375 | oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT, | ||
376 | oxygen_rate(hw_params) | | ||
377 | oxygen_i2s_mclk(hw_params) | | ||
378 | chip->model->adc_i2s_format | | ||
379 | oxygen_i2s_bits(hw_params), | ||
380 | OXYGEN_I2S_RATE_MASK | | ||
381 | OXYGEN_I2S_FORMAT_MASK | | ||
382 | OXYGEN_I2S_MCLK_MASK | | ||
383 | OXYGEN_I2S_BITS_MASK); | ||
384 | spin_unlock_irq(&chip->reg_lock); | ||
385 | |||
386 | if (!is_ac97) { | ||
387 | mutex_lock(&chip->mutex); | ||
388 | chip->model->set_adc_params(chip, hw_params); | ||
389 | mutex_unlock(&chip->mutex); | ||
390 | } | ||
391 | return 0; | ||
392 | } | ||
393 | |||
394 | static int oxygen_rec_c_hw_params(struct snd_pcm_substream *substream, | ||
395 | struct snd_pcm_hw_params *hw_params) | ||
396 | { | ||
397 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
398 | int err; | ||
399 | |||
400 | err = oxygen_hw_params(substream, hw_params); | ||
401 | if (err < 0) | ||
402 | return err; | ||
403 | |||
404 | spin_lock_irq(&chip->reg_lock); | ||
405 | oxygen_write8_masked(chip, OXYGEN_REC_FORMAT, | ||
406 | oxygen_format(hw_params) << OXYGEN_REC_FORMAT_C_SHIFT, | ||
407 | OXYGEN_REC_FORMAT_C_MASK); | ||
408 | spin_unlock_irq(&chip->reg_lock); | ||
409 | return 0; | ||
410 | } | ||
411 | |||
412 | static int oxygen_spdif_hw_params(struct snd_pcm_substream *substream, | ||
413 | struct snd_pcm_hw_params *hw_params) | ||
414 | { | ||
415 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
416 | int err; | ||
417 | |||
418 | err = oxygen_hw_params(substream, hw_params); | ||
419 | if (err < 0) | ||
420 | return err; | ||
421 | |||
422 | spin_lock_irq(&chip->reg_lock); | ||
423 | oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL, | ||
424 | OXYGEN_SPDIF_OUT_ENABLE); | ||
425 | oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT, | ||
426 | oxygen_format(hw_params) << OXYGEN_SPDIF_FORMAT_SHIFT, | ||
427 | OXYGEN_SPDIF_FORMAT_MASK); | ||
428 | oxygen_write32_masked(chip, OXYGEN_SPDIF_CONTROL, | ||
429 | oxygen_rate(hw_params) << OXYGEN_SPDIF_OUT_RATE_SHIFT, | ||
430 | OXYGEN_SPDIF_OUT_RATE_MASK); | ||
431 | oxygen_update_spdif_source(chip); | ||
432 | spin_unlock_irq(&chip->reg_lock); | ||
433 | return 0; | ||
434 | } | ||
435 | |||
436 | static int oxygen_multich_hw_params(struct snd_pcm_substream *substream, | ||
437 | struct snd_pcm_hw_params *hw_params) | ||
438 | { | ||
439 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
440 | int err; | ||
441 | |||
442 | err = oxygen_hw_params(substream, hw_params); | ||
443 | if (err < 0) | ||
444 | return err; | ||
445 | |||
446 | spin_lock_irq(&chip->reg_lock); | ||
447 | oxygen_write8_masked(chip, OXYGEN_PLAY_CHANNELS, | ||
448 | oxygen_play_channels(hw_params), | ||
449 | OXYGEN_PLAY_CHANNELS_MASK); | ||
450 | oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT, | ||
451 | oxygen_format(hw_params) << OXYGEN_MULTICH_FORMAT_SHIFT, | ||
452 | OXYGEN_MULTICH_FORMAT_MASK); | ||
453 | oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT, | ||
454 | oxygen_rate(hw_params) | | ||
455 | chip->model->dac_i2s_format | | ||
456 | oxygen_i2s_bits(hw_params), | ||
457 | OXYGEN_I2S_RATE_MASK | | ||
458 | OXYGEN_I2S_FORMAT_MASK | | ||
459 | OXYGEN_I2S_BITS_MASK); | ||
460 | oxygen_update_dac_routing(chip); | ||
461 | oxygen_update_spdif_source(chip); | ||
462 | spin_unlock_irq(&chip->reg_lock); | ||
463 | |||
464 | mutex_lock(&chip->mutex); | ||
465 | chip->model->set_dac_params(chip, hw_params); | ||
466 | mutex_unlock(&chip->mutex); | ||
467 | return 0; | ||
468 | } | ||
469 | |||
470 | static int oxygen_hw_free(struct snd_pcm_substream *substream) | ||
471 | { | ||
472 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
473 | unsigned int channel = oxygen_substream_channel(substream); | ||
474 | |||
475 | spin_lock_irq(&chip->reg_lock); | ||
476 | chip->interrupt_mask &= ~(1 << channel); | ||
477 | oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask); | ||
478 | spin_unlock_irq(&chip->reg_lock); | ||
479 | |||
480 | return snd_pcm_lib_free_pages(substream); | ||
481 | } | ||
482 | |||
483 | static int oxygen_spdif_hw_free(struct snd_pcm_substream *substream) | ||
484 | { | ||
485 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
486 | |||
487 | spin_lock_irq(&chip->reg_lock); | ||
488 | oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL, | ||
489 | OXYGEN_SPDIF_OUT_ENABLE); | ||
490 | spin_unlock_irq(&chip->reg_lock); | ||
491 | return oxygen_hw_free(substream); | ||
492 | } | ||
493 | |||
494 | static int oxygen_prepare(struct snd_pcm_substream *substream) | ||
495 | { | ||
496 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
497 | unsigned int channel = oxygen_substream_channel(substream); | ||
498 | unsigned int channel_mask = 1 << channel; | ||
499 | |||
500 | spin_lock_irq(&chip->reg_lock); | ||
501 | oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask); | ||
502 | oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask); | ||
503 | |||
504 | chip->interrupt_mask |= channel_mask; | ||
505 | oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask); | ||
506 | spin_unlock_irq(&chip->reg_lock); | ||
507 | return 0; | ||
508 | } | ||
509 | |||
510 | static int oxygen_trigger(struct snd_pcm_substream *substream, int cmd) | ||
511 | { | ||
512 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
513 | struct snd_pcm_substream *s; | ||
514 | unsigned int mask = 0; | ||
515 | int pausing; | ||
516 | |||
517 | switch (cmd) { | ||
518 | case SNDRV_PCM_TRIGGER_STOP: | ||
519 | case SNDRV_PCM_TRIGGER_START: | ||
520 | pausing = 0; | ||
521 | break; | ||
522 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | ||
523 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | ||
524 | pausing = 1; | ||
525 | break; | ||
526 | default: | ||
527 | return -EINVAL; | ||
528 | } | ||
529 | |||
530 | snd_pcm_group_for_each_entry(s, substream) { | ||
531 | if (snd_pcm_substream_chip(s) == chip) { | ||
532 | mask |= 1 << oxygen_substream_channel(s); | ||
533 | snd_pcm_trigger_done(s, substream); | ||
534 | } | ||
535 | } | ||
536 | |||
537 | spin_lock(&chip->reg_lock); | ||
538 | if (!pausing) { | ||
539 | if (cmd == SNDRV_PCM_TRIGGER_START) | ||
540 | chip->pcm_running |= mask; | ||
541 | else | ||
542 | chip->pcm_running &= ~mask; | ||
543 | oxygen_write8(chip, OXYGEN_DMA_STATUS, chip->pcm_running); | ||
544 | } else { | ||
545 | if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH) | ||
546 | oxygen_set_bits8(chip, OXYGEN_DMA_PAUSE, mask); | ||
547 | else | ||
548 | oxygen_clear_bits8(chip, OXYGEN_DMA_PAUSE, mask); | ||
549 | } | ||
550 | spin_unlock(&chip->reg_lock); | ||
551 | return 0; | ||
552 | } | ||
553 | |||
554 | static snd_pcm_uframes_t oxygen_pointer(struct snd_pcm_substream *substream) | ||
555 | { | ||
556 | struct oxygen *chip = snd_pcm_substream_chip(substream); | ||
557 | struct snd_pcm_runtime *runtime = substream->runtime; | ||
558 | unsigned int channel = oxygen_substream_channel(substream); | ||
559 | u32 curr_addr; | ||
560 | |||
561 | /* no spinlock, this read should be atomic */ | ||
562 | curr_addr = oxygen_read32(chip, channel_base_registers[channel]); | ||
563 | return bytes_to_frames(runtime, curr_addr - (u32)runtime->dma_addr); | ||
564 | } | ||
565 | |||
566 | static struct snd_pcm_ops oxygen_rec_a_ops = { | ||
567 | .open = oxygen_rec_a_open, | ||
568 | .close = oxygen_close, | ||
569 | .ioctl = snd_pcm_lib_ioctl, | ||
570 | .hw_params = oxygen_rec_a_hw_params, | ||
571 | .hw_free = oxygen_hw_free, | ||
572 | .prepare = oxygen_prepare, | ||
573 | .trigger = oxygen_trigger, | ||
574 | .pointer = oxygen_pointer, | ||
575 | }; | ||
576 | |||
577 | static struct snd_pcm_ops oxygen_rec_b_ops = { | ||
578 | .open = oxygen_rec_b_open, | ||
579 | .close = oxygen_close, | ||
580 | .ioctl = snd_pcm_lib_ioctl, | ||
581 | .hw_params = oxygen_rec_b_hw_params, | ||
582 | .hw_free = oxygen_hw_free, | ||
583 | .prepare = oxygen_prepare, | ||
584 | .trigger = oxygen_trigger, | ||
585 | .pointer = oxygen_pointer, | ||
586 | }; | ||
587 | |||
588 | static struct snd_pcm_ops oxygen_rec_c_ops = { | ||
589 | .open = oxygen_rec_c_open, | ||
590 | .close = oxygen_close, | ||
591 | .ioctl = snd_pcm_lib_ioctl, | ||
592 | .hw_params = oxygen_rec_c_hw_params, | ||
593 | .hw_free = oxygen_hw_free, | ||
594 | .prepare = oxygen_prepare, | ||
595 | .trigger = oxygen_trigger, | ||
596 | .pointer = oxygen_pointer, | ||
597 | }; | ||
598 | |||
599 | static struct snd_pcm_ops oxygen_spdif_ops = { | ||
600 | .open = oxygen_spdif_open, | ||
601 | .close = oxygen_close, | ||
602 | .ioctl = snd_pcm_lib_ioctl, | ||
603 | .hw_params = oxygen_spdif_hw_params, | ||
604 | .hw_free = oxygen_spdif_hw_free, | ||
605 | .prepare = oxygen_prepare, | ||
606 | .trigger = oxygen_trigger, | ||
607 | .pointer = oxygen_pointer, | ||
608 | }; | ||
609 | |||
610 | static struct snd_pcm_ops oxygen_multich_ops = { | ||
611 | .open = oxygen_multich_open, | ||
612 | .close = oxygen_close, | ||
613 | .ioctl = snd_pcm_lib_ioctl, | ||
614 | .hw_params = oxygen_multich_hw_params, | ||
615 | .hw_free = oxygen_hw_free, | ||
616 | .prepare = oxygen_prepare, | ||
617 | .trigger = oxygen_trigger, | ||
618 | .pointer = oxygen_pointer, | ||
619 | }; | ||
620 | |||
621 | static struct snd_pcm_ops oxygen_ac97_ops = { | ||
622 | .open = oxygen_ac97_open, | ||
623 | .close = oxygen_close, | ||
624 | .ioctl = snd_pcm_lib_ioctl, | ||
625 | .hw_params = oxygen_hw_params, | ||
626 | .hw_free = oxygen_hw_free, | ||
627 | .prepare = oxygen_prepare, | ||
628 | .trigger = oxygen_trigger, | ||
629 | .pointer = oxygen_pointer, | ||
630 | }; | ||
631 | |||
632 | static void oxygen_pcm_free(struct snd_pcm *pcm) | ||
633 | { | ||
634 | snd_pcm_lib_preallocate_free_for_all(pcm); | ||
635 | } | ||
636 | |||
637 | int __devinit oxygen_pcm_init(struct oxygen *chip) | ||
638 | { | ||
639 | struct snd_pcm *pcm; | ||
640 | int outs, ins; | ||
641 | int err; | ||
642 | |||
643 | outs = 1; /* OXYGEN_CHANNEL_MULTICH is always used */ | ||
644 | ins = !!(chip->model->used_channels & (OXYGEN_CHANNEL_A | | ||
645 | OXYGEN_CHANNEL_B)); | ||
646 | err = snd_pcm_new(chip->card, "Analog", 0, outs, ins, &pcm); | ||
647 | if (err < 0) | ||
648 | return err; | ||
649 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &oxygen_multich_ops); | ||
650 | if (chip->model->used_channels & OXYGEN_CHANNEL_A) | ||
651 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, | ||
652 | &oxygen_rec_a_ops); | ||
653 | else if (chip->model->used_channels & OXYGEN_CHANNEL_B) | ||
654 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, | ||
655 | &oxygen_rec_b_ops); | ||
656 | pcm->private_data = chip; | ||
657 | pcm->private_free = oxygen_pcm_free; | ||
658 | strcpy(pcm->name, "Analog"); | ||
659 | snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream, | ||
660 | SNDRV_DMA_TYPE_DEV, | ||
661 | snd_dma_pci_data(chip->pci), | ||
662 | 512 * 1024, 2048 * 1024); | ||
663 | if (ins) | ||
664 | snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, | ||
665 | SNDRV_DMA_TYPE_DEV, | ||
666 | snd_dma_pci_data(chip->pci), | ||
667 | 128 * 1024, 256 * 1024); | ||
668 | |||
669 | outs = !!(chip->model->used_channels & OXYGEN_CHANNEL_SPDIF); | ||
670 | ins = !!(chip->model->used_channels & OXYGEN_CHANNEL_C); | ||
671 | if (outs | ins) { | ||
672 | err = snd_pcm_new(chip->card, "Digital", 1, outs, ins, &pcm); | ||
673 | if (err < 0) | ||
674 | return err; | ||
675 | if (outs) | ||
676 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, | ||
677 | &oxygen_spdif_ops); | ||
678 | if (ins) | ||
679 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, | ||
680 | &oxygen_rec_c_ops); | ||
681 | pcm->private_data = chip; | ||
682 | pcm->private_free = oxygen_pcm_free; | ||
683 | strcpy(pcm->name, "Digital"); | ||
684 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | ||
685 | snd_dma_pci_data(chip->pci), | ||
686 | 128 * 1024, 256 * 1024); | ||
687 | } | ||
688 | |||
689 | outs = chip->has_ac97_1 && | ||
690 | (chip->model->used_channels & OXYGEN_CHANNEL_AC97); | ||
691 | ins = outs || | ||
692 | (chip->model->used_channels & (OXYGEN_CHANNEL_A | | ||
693 | OXYGEN_CHANNEL_B)) | ||
694 | == (OXYGEN_CHANNEL_A | OXYGEN_CHANNEL_B); | ||
695 | if (outs | ins) { | ||
696 | err = snd_pcm_new(chip->card, outs ? "AC97" : "Analog2", | ||
697 | 2, outs, ins, &pcm); | ||
698 | if (err < 0) | ||
699 | return err; | ||
700 | if (outs) { | ||
701 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, | ||
702 | &oxygen_ac97_ops); | ||
703 | oxygen_write8_masked(chip, OXYGEN_REC_ROUTING, | ||
704 | OXYGEN_REC_B_ROUTE_AC97_1, | ||
705 | OXYGEN_REC_B_ROUTE_MASK); | ||
706 | } | ||
707 | if (ins) | ||
708 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, | ||
709 | &oxygen_rec_b_ops); | ||
710 | pcm->private_data = chip; | ||
711 | pcm->private_free = oxygen_pcm_free; | ||
712 | strcpy(pcm->name, outs ? "Front Panel" : "Analog 2"); | ||
713 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | ||
714 | snd_dma_pci_data(chip->pci), | ||
715 | 128 * 1024, 256 * 1024); | ||
716 | } | ||
717 | return 0; | ||
718 | } | ||