1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 */
4
5 /*
6 * Vortex PCM ALSA driver.
7 *
8 * Supports ADB and WT DMA. Unfortunately, WT channels do not run yet.
9 * It remains stuck,and DMA transfers do not happen.
10 */
11 #include <sound/asoundef.h>
12 #include <linux/time.h>
13 #include <sound/core.h>
14 #include <sound/pcm.h>
15 #include <sound/pcm_params.h>
16 #include "au88x0.h"
17
18 #define VORTEX_PCM_TYPE(x) (x->name[40])
19
20 /* hardware definition */
21 static const struct snd_pcm_hardware snd_vortex_playback_hw_adb = {
22 .info =
23 (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
24 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
25 SNDRV_PCM_INFO_MMAP_VALID),
26 .formats =
27 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
28 SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW,
29 .rates = SNDRV_PCM_RATE_CONTINUOUS,
30 .rate_min = 5000,
31 .rate_max = 48000,
32 .channels_min = 1,
33 .channels_max = 2,
34 .buffer_bytes_max = 0x10000,
35 .period_bytes_min = 0x20,
36 .period_bytes_max = 0x1000,
37 .periods_min = 2,
38 .periods_max = 1024,
39 };
40
41 #ifndef CHIP_AU8820
42 static const struct snd_pcm_hardware snd_vortex_playback_hw_a3d = {
43 .info =
44 (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
45 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
46 SNDRV_PCM_INFO_MMAP_VALID),
47 .formats =
48 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
49 SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW,
50 .rates = SNDRV_PCM_RATE_CONTINUOUS,
51 .rate_min = 5000,
52 .rate_max = 48000,
53 .channels_min = 1,
54 .channels_max = 1,
55 .buffer_bytes_max = 0x10000,
56 .period_bytes_min = 0x100,
57 .period_bytes_max = 0x1000,
58 .periods_min = 2,
59 .periods_max = 64,
60 };
61 #endif
62 static const struct snd_pcm_hardware snd_vortex_playback_hw_spdif = {
63 .info =
64 (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
65 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
66 SNDRV_PCM_INFO_MMAP_VALID),
67 .formats =
68 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
69 SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | SNDRV_PCM_FMTBIT_MU_LAW |
70 SNDRV_PCM_FMTBIT_A_LAW,
71 .rates =
72 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
73 .rate_min = 32000,
74 .rate_max = 48000,
75 .channels_min = 1,
76 .channels_max = 2,
77 .buffer_bytes_max = 0x10000,
78 .period_bytes_min = 0x100,
79 .period_bytes_max = 0x1000,
80 .periods_min = 2,
81 .periods_max = 64,
82 };
83
84 #ifndef CHIP_AU8810
85 static const struct snd_pcm_hardware snd_vortex_playback_hw_wt = {
86 .info = (SNDRV_PCM_INFO_MMAP |
87 SNDRV_PCM_INFO_INTERLEAVED |
88 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID),
89 .formats = SNDRV_PCM_FMTBIT_S16_LE,
90 .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_CONTINUOUS, // SNDRV_PCM_RATE_48000,
91 .rate_min = 8000,
92 .rate_max = 48000,
93 .channels_min = 1,
94 .channels_max = 2,
95 .buffer_bytes_max = 0x10000,
96 .period_bytes_min = 0x0400,
97 .period_bytes_max = 0x1000,
98 .periods_min = 2,
99 .periods_max = 64,
100 };
101 #endif
102 #ifdef CHIP_AU8830
103 static const unsigned int au8830_channels[3] = {
104 1, 2, 4,
105 };
106
107 static const struct snd_pcm_hw_constraint_list hw_constraints_au8830_channels = {
108 .count = ARRAY_SIZE(au8830_channels),
109 .list = au8830_channels,
110 .mask = 0,
111 };
112 #endif
113
114 static void vortex_notify_pcm_vol_change(struct snd_card *card,
115 struct snd_kcontrol *kctl, int activate)
116 {
117 if (activate)
118 kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
119 else
120 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
121 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE |
122 SNDRV_CTL_EVENT_MASK_INFO, &(kctl->id));
123 }
124
125 /* open callback */
126 static int snd_vortex_pcm_open(struct snd_pcm_substream *substream)
127 {
128 vortex_t *vortex = snd_pcm_substream_chip(substream);
129 struct snd_pcm_runtime *runtime = substream->runtime;
130 int err;
131
132 /* Force equal size periods */
133 err = snd_pcm_hw_constraint_integer(runtime,
134 SNDRV_PCM_HW_PARAM_PERIODS);
135 if (err < 0)
136 return err;
137 /* Avoid PAGE_SIZE boundary to fall inside of a period. */
138 err = snd_pcm_hw_constraint_pow2(runtime, 0,
139 SNDRV_PCM_HW_PARAM_PERIOD_BYTES);
140 if (err < 0)
141 return err;
142
143 snd_pcm_hw_constraint_step(runtime, 0,
144 SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 64);
145
146 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
147 #ifndef CHIP_AU8820
148 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) {
149 runtime->hw = snd_vortex_playback_hw_a3d;
150 }
151 #endif
152 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_SPDIF) {
153 runtime->hw = snd_vortex_playback_hw_spdif;
154 switch (vortex->spdif_sr) {
155 case 32000:
156 runtime->hw.rates = SNDRV_PCM_RATE_32000;
157 break;
158 case 44100:
159 runtime->hw.rates = SNDRV_PCM_RATE_44100;
160 break;
161 case 48000:
162 runtime->hw.rates = SNDRV_PCM_RATE_48000;
163 break;
164 }
165 }
166 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB
167 || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S)
168 runtime->hw = snd_vortex_playback_hw_adb;
169 #ifdef CHIP_AU8830
170 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
171 VORTEX_IS_QUAD(vortex) &&
172 VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
173 runtime->hw.channels_max = 4;
174 snd_pcm_hw_constraint_list(runtime, 0,
175 SNDRV_PCM_HW_PARAM_CHANNELS,
176 &hw_constraints_au8830_channels);
177 }
178 #endif
179 substream->runtime->private_data = NULL;
180 }
181 #ifndef CHIP_AU8810
182 else {
183 runtime->hw = snd_vortex_playback_hw_wt;
184 substream->runtime->private_data = NULL;
185 }
186 #endif
187 return 0;
188 }
189
190 /* close callback */
191 static int snd_vortex_pcm_close(struct snd_pcm_substream *substream)
192 {
193 //vortex_t *chip = snd_pcm_substream_chip(substream);
194 stream_t *stream = (stream_t *) substream->runtime->private_data;
195
196 // the hardware-specific codes will be here
197 if (stream != NULL) {
198 stream->substream = NULL;
199 stream->nr_ch = 0;
200 }
201 substream->runtime->private_data = NULL;
202 return 0;
203 }
204
205 /* hw_params callback */
206 static int
207 snd_vortex_pcm_hw_params(struct snd_pcm_substream *substream,
208 struct snd_pcm_hw_params *hw_params)
209 {
210 vortex_t *chip = snd_pcm_substream_chip(substream);
211 stream_t *stream = (stream_t *) (substream->runtime->private_data);
212
213 /*
214 pr_info( "Vortex: periods %d, period_bytes %d, channels = %d\n", params_periods(hw_params),
215 params_period_bytes(hw_params), params_channels(hw_params));
216 */
217 spin_lock_irq(&chip->lock);
218 // Make audio routes and config buffer DMA.
219 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
220 int dma, type = VORTEX_PCM_TYPE(substream->pcm);
221 /* Dealloc any routes. */
222 if (stream != NULL)
223 vortex_adb_allocroute(chip, stream->dma,
224 stream->nr_ch, stream->dir,
225 stream->type,
226 substream->number);
227 /* Alloc routes. */
228 dma =
229 vortex_adb_allocroute(chip, -1,
230 params_channels(hw_params),
231 substream->stream, type,
232 substream->number);
233 if (dma < 0) {
234 spin_unlock_irq(&chip->lock);
235 return dma;
236 }
237 stream = substream->runtime->private_data = &chip->dma_adb[dma];
238 stream->substream = substream;
239 /* Setup Buffers. */
240 vortex_adbdma_setbuffers(chip, dma,
241 params_period_bytes(hw_params),
242 params_periods(hw_params));
243 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
244 chip->pcm_vol[substream->number].active = 1;
245 vortex_notify_pcm_vol_change(chip->card,
246 chip->pcm_vol[substream->number].kctl, 1);
247 }
248 }
249 #ifndef CHIP_AU8810
250 else {
251 /* if (stream != NULL)
252 vortex_wt_allocroute(chip, substream->number, 0); */
253 vortex_wt_allocroute(chip, substream->number,
254 params_channels(hw_params));
255 stream = substream->runtime->private_data =
256 &chip->dma_wt[substream->number];
257 stream->dma = substream->number;
258 stream->substream = substream;
259 vortex_wtdma_setbuffers(chip, substream->number,
260 params_period_bytes(hw_params),
261 params_periods(hw_params));
262 }
263 #endif
264 spin_unlock_irq(&chip->lock);
265 return 0;
266 }
267
268 /* hw_free callback */
269 static int snd_vortex_pcm_hw_free(struct snd_pcm_substream *substream)
270 {
271 vortex_t *chip = snd_pcm_substream_chip(substream);
272 stream_t *stream = (stream_t *) (substream->runtime->private_data);
273
274 spin_lock_irq(&chip->lock);
275 // Delete audio routes.
276 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
277 if (stream != NULL) {
278 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
279 chip->pcm_vol[substream->number].active = 0;
280 vortex_notify_pcm_vol_change(chip->card,
281 chip->pcm_vol[substream->number].kctl,
282 0);
283 }
284 vortex_adb_allocroute(chip, stream->dma,
285 stream->nr_ch, stream->dir,
286 stream->type,
287 substream->number);
288 }
289 }
290 #ifndef CHIP_AU8810
291 else {
292 if (stream != NULL)
293 vortex_wt_allocroute(chip, stream->dma, 0);
294 }
295 #endif
296 substream->runtime->private_data = NULL;
297 spin_unlock_irq(&chip->lock);
298
299 return 0;
300 }
301
302 /* prepare callback */
303 static int snd_vortex_pcm_prepare(struct snd_pcm_substream *substream)
304 {
305 vortex_t *chip = snd_pcm_substream_chip(substream);
306 struct snd_pcm_runtime *runtime = substream->runtime;
307 stream_t *stream = (stream_t *) substream->runtime->private_data;
308 int dma = stream->dma, fmt, dir;
309
310 // set up the hardware with the current configuration.
311 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
312 dir = 1;
313 else
314 dir = 0;
315 fmt = vortex_alsafmt_aspfmt(runtime->format, chip);
316 spin_lock_irq(&chip->lock);
317 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
318 vortex_adbdma_setmode(chip, dma, 1, dir, fmt,
319 runtime->channels == 1 ? 0 : 1, 0);
320 vortex_adbdma_setstartbuffer(chip, dma, 0);
321 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_SPDIF)
322 vortex_adb_setsrc(chip, dma, runtime->rate, dir);
323 }
324 #ifndef CHIP_AU8810
325 else {
326 vortex_wtdma_setmode(chip, dma, 1, fmt, 0, 0);
327 // FIXME: Set rate (i guess using vortex_wt_writereg() somehow).
328 vortex_wtdma_setstartbuffer(chip, dma, 0);
329 }
330 #endif
331 spin_unlock_irq(&chip->lock);
332 return 0;
333 }
334
335 /* trigger callback */
336 static int snd_vortex_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
337 {
338 vortex_t *chip = snd_pcm_substream_chip(substream);
339 stream_t *stream = (stream_t *) substream->runtime->private_data;
340 int dma = stream->dma;
341
342 spin_lock(&chip->lock);
343 switch (cmd) {
344 case SNDRV_PCM_TRIGGER_START:
345 // do something to start the PCM engine
346 //printk(KERN_INFO "vortex: start %d\n", dma);
347 stream->fifo_enabled = 1;
348 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
349 vortex_adbdma_resetup(chip, dma);
350 vortex_adbdma_startfifo(chip, dma);
351 }
352 #ifndef CHIP_AU8810
353 else {
354 dev_info(chip->card->dev, "wt start %d\n", dma);
355 vortex_wtdma_startfifo(chip, dma);
356 }
357 #endif
358 break;
359 case SNDRV_PCM_TRIGGER_STOP:
360 // do something to stop the PCM engine
361 //printk(KERN_INFO "vortex: stop %d\n", dma);
362 stream->fifo_enabled = 0;
363 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
364 vortex_adbdma_stopfifo(chip, dma);
365 #ifndef CHIP_AU8810
366 else {
367 dev_info(chip->card->dev, "wt stop %d\n", dma);
368 vortex_wtdma_stopfifo(chip, dma);
369 }
370 #endif
371 break;
372 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
373 //printk(KERN_INFO "vortex: pause %d\n", dma);
374 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
375 vortex_adbdma_pausefifo(chip, dma);
376 #ifndef CHIP_AU8810
377 else
378 vortex_wtdma_pausefifo(chip, dma);
379 #endif
380 break;
381 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
382 //printk(KERN_INFO "vortex: resume %d\n", dma);
383 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
384 vortex_adbdma_resumefifo(chip, dma);
385 #ifndef CHIP_AU8810
386 else
387 vortex_wtdma_resumefifo(chip, dma);
388 #endif
389 break;
390 default:
391 spin_unlock(&chip->lock);
392 return -EINVAL;
393 }
394 spin_unlock(&chip->lock);
395 return 0;
396 }
397
398 /* pointer callback */
399 static snd_pcm_uframes_t snd_vortex_pcm_pointer(struct snd_pcm_substream *substream)
400 {
401 vortex_t *chip = snd_pcm_substream_chip(substream);
402 stream_t *stream = (stream_t *) substream->runtime->private_data;
403 int dma = stream->dma;
404 snd_pcm_uframes_t current_ptr = 0;
405
406 spin_lock(&chip->lock);
407 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
408 current_ptr = vortex_adbdma_getlinearpos(chip, dma);
409 #ifndef CHIP_AU8810
410 else
411 current_ptr = vortex_wtdma_getlinearpos(chip, dma);
412 #endif
413 //printk(KERN_INFO "vortex: pointer = 0x%x\n", current_ptr);
414 spin_unlock(&chip->lock);
415 current_ptr = bytes_to_frames(substream->runtime, current_ptr);
416 if (current_ptr >= substream->runtime->buffer_size)
417 current_ptr = 0;
418 return current_ptr;
419 }
420
421 /* operators */
422 static const struct snd_pcm_ops snd_vortex_playback_ops = {
423 .open = snd_vortex_pcm_open,
424 .close = snd_vortex_pcm_close,
425 .hw_params = snd_vortex_pcm_hw_params,
426 .hw_free = snd_vortex_pcm_hw_free,
427 .prepare = snd_vortex_pcm_prepare,
428 .trigger = snd_vortex_pcm_trigger,
429 .pointer = snd_vortex_pcm_pointer,
430 };
431
432 /*
433 * definitions of capture are omitted here...
434 */
435
436 static const char * const vortex_pcm_prettyname[VORTEX_PCM_LAST] = {
437 CARD_NAME " ADB",
438 CARD_NAME " SPDIF",
439 CARD_NAME " A3D",
440 CARD_NAME " WT",
441 CARD_NAME " I2S",
442 };
443 static const char * const vortex_pcm_name[VORTEX_PCM_LAST] = {
444 "adb",
445 "spdif",
446 "a3d",
447 "wt",
448 "i2s",
449 };
450
451 /* SPDIF kcontrol */
452
453 static int snd_vortex_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
454 {
455 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
456 uinfo->count = 1;
457 return 0;
458 }
459
460 static int snd_vortex_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
461 {
462 ucontrol->value.iec958.status[0] = 0xff;
463 ucontrol->value.iec958.status[1] = 0xff;
464 ucontrol->value.iec958.status[2] = 0xff;
465 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
466 return 0;
467 }
468
469 static int snd_vortex_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
470 {
471 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
472 ucontrol->value.iec958.status[0] = 0x00;
473 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL|IEC958_AES1_CON_DIGDIGCONV_ID;
474 ucontrol->value.iec958.status[2] = 0x00;
475 switch (vortex->spdif_sr) {
476 case 32000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_32000; break;
477 case 44100: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_44100; break;
478 case 48000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000; break;
479 }
480 return 0;
481 }
482
483 static int snd_vortex_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
484 {
485 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
486 int spdif_sr = 48000;
487 switch (ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) {
488 case IEC958_AES3_CON_FS_32000: spdif_sr = 32000; break;
489 case IEC958_AES3_CON_FS_44100: spdif_sr = 44100; break;
490 case IEC958_AES3_CON_FS_48000: spdif_sr = 48000; break;
491 }
492 if (spdif_sr == vortex->spdif_sr)
493 return 0;
494 vortex->spdif_sr = spdif_sr;
495 vortex_spdif_init(vortex, vortex->spdif_sr, 1);
496 return 1;
497 }
498
499 /* spdif controls */
500 static const struct snd_kcontrol_new snd_vortex_mixer_spdif[] = {
501 {
502 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
503 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
504 .info = snd_vortex_spdif_info,
505 .get = snd_vortex_spdif_get,
506 .put = snd_vortex_spdif_put,
507 },
508 {
509 .access = SNDRV_CTL_ELEM_ACCESS_READ,
510 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
511 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
512 .info = snd_vortex_spdif_info,
513 .get = snd_vortex_spdif_mask_get
514 },
515 };
516
517 /* subdevice PCM Volume control */
518
519 static int snd_vortex_pcm_vol_info(struct snd_kcontrol *kcontrol,
520 struct snd_ctl_elem_info *uinfo)
521 {
522 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
523 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
524 uinfo->count = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
525 uinfo->value.integer.min = -128;
526 uinfo->value.integer.max = 32;
527 return 0;
528 }
529
530 static int snd_vortex_pcm_vol_get(struct snd_kcontrol *kcontrol,
531 struct snd_ctl_elem_value *ucontrol)
532 {
533 int i;
534 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
535 int subdev = kcontrol->id.subdevice;
536 struct pcm_vol *p = &vortex->pcm_vol[subdev];
537 int max_chn = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
538 for (i = 0; i < max_chn; i++)
539 ucontrol->value.integer.value[i] = p->vol[i];
540 return 0;
541 }
542
543 static int snd_vortex_pcm_vol_put(struct snd_kcontrol *kcontrol,
544 struct snd_ctl_elem_value *ucontrol)
545 {
546 int i;
547 int changed = 0;
548 int mixin;
549 unsigned char vol;
550 vortex_t *vortex = snd_kcontrol_chip(kcontrol);
551 int subdev = kcontrol->id.subdevice;
552 struct pcm_vol *p = &vortex->pcm_vol[subdev];
553 int max_chn = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
554 for (i = 0; i < max_chn; i++) {
555 if (p->vol[i] != ucontrol->value.integer.value[i]) {
556 p->vol[i] = ucontrol->value.integer.value[i];
557 if (p->active) {
558 switch (vortex->dma_adb[p->dma].nr_ch) {
559 case 1:
560 mixin = p->mixin[0];
561 break;
562 case 2:
563 default:
564 mixin = p->mixin[(i < 2) ? i : (i - 2)];
565 break;
566 case 4:
567 mixin = p->mixin[i];
568 break;
569 }
570 vol = p->vol[i];
571 vortex_mix_setinputvolumebyte(vortex,
572 vortex->mixplayb[i], mixin, vol);
573 }
574 changed = 1;
575 }
576 }
577 return changed;
578 }
579
580 static const DECLARE_TLV_DB_MINMAX(vortex_pcm_vol_db_scale, -9600, 2400);
581
582 static const struct snd_kcontrol_new snd_vortex_pcm_vol = {
583 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
584 .name = "PCM Playback Volume",
585 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
586 SNDRV_CTL_ELEM_ACCESS_TLV_READ |
587 SNDRV_CTL_ELEM_ACCESS_INACTIVE,
588 .info = snd_vortex_pcm_vol_info,
589 .get = snd_vortex_pcm_vol_get,
590 .put = snd_vortex_pcm_vol_put,
591 .tlv = { .p = vortex_pcm_vol_db_scale },
592 };
593
594 /* create a pcm device */
595 static int snd_vortex_new_pcm(vortex_t *chip, int idx, int nr)
596 {
597 struct snd_pcm *pcm;
598 struct snd_kcontrol *kctl;
599 int i;
600 int err, nr_capt;
601
602 if (!chip || idx < 0 || idx >= VORTEX_PCM_LAST)
603 return -ENODEV;
604
605 /* idx indicates which kind of PCM device. ADB, SPDIF, I2S and A3D share the
606 * same dma engine. WT uses it own separate dma engine which can't capture. */
607 if (idx == VORTEX_PCM_ADB)
608 nr_capt = nr;
609 else
610 nr_capt = 0;
611 err = snd_pcm_new(chip->card, vortex_pcm_prettyname[idx], idx, nr,
612 nr_capt, &pcm);
613 if (err < 0)
614 return err;
615 snprintf(pcm->name, sizeof(pcm->name),
616 "%s %s", CARD_NAME_SHORT, vortex_pcm_name[idx]);
617 chip->pcm[idx] = pcm;
618 // This is an evil hack, but it saves a lot of duplicated code.
619 VORTEX_PCM_TYPE(pcm) = idx;
620 pcm->private_data = chip;
621 /* set operators */
622 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
623 &snd_vortex_playback_ops);
624 if (idx == VORTEX_PCM_ADB)
625 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
626 &snd_vortex_playback_ops);
627
628 /* pre-allocation of Scatter-Gather buffers */
629
630 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
631 &chip->pci_dev->dev, 0x10000, 0x10000);
632
633 switch (VORTEX_PCM_TYPE(pcm)) {
634 case VORTEX_PCM_ADB:
635 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
636 snd_pcm_std_chmaps,
637 VORTEX_IS_QUAD(chip) ? 4 : 2,
638 0, NULL);
639 if (err < 0)
640 return err;
641 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE,
642 snd_pcm_std_chmaps, 2, 0, NULL);
643 if (err < 0)
644 return err;
645 break;
646 #ifdef CHIP_AU8830
647 case VORTEX_PCM_A3D:
648 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
649 snd_pcm_std_chmaps, 1, 0, NULL);
650 if (err < 0)
651 return err;
652 break;
653 #endif
654 }
655
656 if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_SPDIF) {
657 for (i = 0; i < ARRAY_SIZE(snd_vortex_mixer_spdif); i++) {
658 kctl = snd_ctl_new1(&snd_vortex_mixer_spdif[i], chip);
659 if (!kctl)
660 return -ENOMEM;
661 err = snd_ctl_add(chip->card, kctl);
662 if (err < 0)
663 return err;
664 }
665 }
666 if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_ADB) {
667 for (i = 0; i < NR_PCM; i++) {
668 chip->pcm_vol[i].active = 0;
669 chip->pcm_vol[i].dma = -1;
670 kctl = snd_ctl_new1(&snd_vortex_pcm_vol, chip);
671 if (!kctl)
672 return -ENOMEM;
673 chip->pcm_vol[i].kctl = kctl;
674 kctl->id.device = 0;
675 kctl->id.subdevice = i;
676 err = snd_ctl_add(chip->card, kctl);
677 if (err < 0)
678 return err;
679 }
680 }
681 return 0;
682 }
683
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.