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Merge branch 'topic/kerneldoc' into for-next
[deliverable/linux.git] / sound / pci / echoaudio / echoaudio.c
CommitLineData
dd7b254d
GP		 1/*
2 * ALSA driver for Echoaudio soundcards.
3 * Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
da155d5b
PG		 19#include <linux/module.h>
20
dd7b254d
GP		 21MODULE_AUTHOR("Giuliano Pochini <pochini@shiny.it>");
22MODULE_LICENSE("GPL v2");
23MODULE_DESCRIPTION("Echoaudio " ECHOCARD_NAME " soundcards driver");
24MODULE_SUPPORTED_DEVICE("{{Echoaudio," ECHOCARD_NAME "}}");
25MODULE_DEVICE_TABLE(pci, snd_echo_ids);
26
27static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
28static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
a67ff6a5 29static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
dd7b254d
GP		 30
31module_param_array(index, int, NULL, 0444);
32MODULE_PARM_DESC(index, "Index value for " ECHOCARD_NAME " soundcard.");
33module_param_array(id, charp, NULL, 0444);
34MODULE_PARM_DESC(id, "ID string for " ECHOCARD_NAME " soundcard.");
35module_param_array(enable, bool, NULL, 0444);
36MODULE_PARM_DESC(enable, "Enable " ECHOCARD_NAME " soundcard.");
37
38static unsigned int channels_list[10] = {1, 2, 4, 6, 8, 10, 12, 14, 16, 999999};
0cb29ea0 39static const DECLARE_TLV_DB_SCALE(db_scale_output_gain, -12800, 100, 1);
dd7b254d 40
19b50063
GP		 41
42
dd7b254d 43static int get_firmware(const struct firmware **fw_entry,
19b50063 44 struct echoaudio *chip, const short fw_index)
dd7b254d
GP		 45{
46 int err;
47 char name[30];
19b50063 48
c7561cd8 49#ifdef CONFIG_PM_SLEEP
4f8ada44
GP		 50 if (chip->fw_cache[fw_index]) {
51 DE_ACT(("firmware requested: %s is cached\n", card_fw[fw_index].data));
52 *fw_entry = chip->fw_cache[fw_index];
53 return 0;
54 }
55#endif
56
57 DE_ACT(("firmware requested: %s\n", card_fw[fw_index].data));
58 snprintf(name, sizeof(name), "ea/%s", card_fw[fw_index].data);
59 err = request_firmware(fw_entry, name, pci_device(chip));
60 if (err < 0)
ece7a36d
TI		 61 dev_err(chip->card->dev,
62 "get_firmware(): Firmware not available (%d)\n", err);
c7561cd8 63#ifdef CONFIG_PM_SLEEP
4f8ada44
GP		 64 else
65 chip->fw_cache[fw_index] = *fw_entry;
66#endif
dd7b254d
GP		 67 return err;
68}
69
19b50063
GP		 70
71
dd7b254d
GP		 72static void free_firmware(const struct firmware *fw_entry)
73{
c7561cd8 74#ifdef CONFIG_PM_SLEEP
4f8ada44
GP		 75 DE_ACT(("firmware not released (kept in cache)\n"));
76#else
dd7b254d
GP		 77 release_firmware(fw_entry);
78 DE_ACT(("firmware released\n"));
4f8ada44
GP		 79#endif
80}
81
82
83
84static void free_firmware_cache(struct echoaudio *chip)
85{
c7561cd8 86#ifdef CONFIG_PM_SLEEP
4f8ada44
GP		 87 int i;
88
89 for (i = 0; i < 8 ; i++)
90 if (chip->fw_cache[i]) {
91 release_firmware(chip->fw_cache[i]);
92 DE_ACT(("release_firmware(%d)\n", i));
93 }
94
95 DE_ACT(("firmware_cache released\n"));
96#endif
dd7b254d
GP		 97}
98
99
100
101/******************************************************************************
102 PCM interface
103******************************************************************************/
104
105static void audiopipe_free(struct snd_pcm_runtime *runtime)
106{
107 struct audiopipe *pipe = runtime->private_data;
108
109 if (pipe->sgpage.area)
110 snd_dma_free_pages(&pipe->sgpage);
111 kfree(pipe);
112}
113
114
115
116static int hw_rule_capture_format_by_channels(struct snd_pcm_hw_params *params,
117 struct snd_pcm_hw_rule *rule)
118{
119 struct snd_interval *c = hw_param_interval(params,
120 SNDRV_PCM_HW_PARAM_CHANNELS);
121 struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
122 struct snd_mask fmt;
123
124 snd_mask_any(&fmt);
125
126#ifndef ECHOCARD_HAS_STEREO_BIG_ENDIAN32
127 /* >=2 channels cannot be S32_BE */
128 if (c->min == 2) {
129 fmt.bits[0] &= ~SNDRV_PCM_FMTBIT_S32_BE;
130 return snd_mask_refine(f, &fmt);
131 }
132#endif
133 /* > 2 channels cannot be U8 and S32_BE */
134 if (c->min > 2) {
135 fmt.bits[0] &= ~(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_BE);
136 return snd_mask_refine(f, &fmt);
137 }
138 /* Mono is ok with any format */
139 return 0;
140}
141
142
143
144static int hw_rule_capture_channels_by_format(struct snd_pcm_hw_params *params,
145 struct snd_pcm_hw_rule *rule)
146{
147 struct snd_interval *c = hw_param_interval(params,
148 SNDRV_PCM_HW_PARAM_CHANNELS);
149 struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
150 struct snd_interval ch;
151
152 snd_interval_any(&ch);
153
154 /* S32_BE is mono (and stereo) only */
155 if (f->bits[0] == SNDRV_PCM_FMTBIT_S32_BE) {
156 ch.min = 1;
157#ifdef ECHOCARD_HAS_STEREO_BIG_ENDIAN32
158 ch.max = 2;
159#else
160 ch.max = 1;
161#endif
162 ch.integer = 1;
163 return snd_interval_refine(c, &ch);
164 }
165 /* U8 can be only mono or stereo */
166 if (f->bits[0] == SNDRV_PCM_FMTBIT_U8) {
167 ch.min = 1;
168 ch.max = 2;
169 ch.integer = 1;
170 return snd_interval_refine(c, &ch);
171 }
172 /* S16_LE, S24_3LE and S32_LE support any number of channels. */
173 return 0;
174}
175
176
177
178static int hw_rule_playback_format_by_channels(struct snd_pcm_hw_params *params,
179 struct snd_pcm_hw_rule *rule)
180{
181 struct snd_interval *c = hw_param_interval(params,
182 SNDRV_PCM_HW_PARAM_CHANNELS);
183 struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
184 struct snd_mask fmt;
185 u64 fmask;
186 snd_mask_any(&fmt);
187
188 fmask = fmt.bits[0] + ((u64)fmt.bits[1] << 32);
189
190 /* >2 channels must be S16_LE, S24_3LE or S32_LE */
191 if (c->min > 2) {
192 fmask &= SNDRV_PCM_FMTBIT_S16_LE |
193 SNDRV_PCM_FMTBIT_S24_3LE |
194 SNDRV_PCM_FMTBIT_S32_LE;
195 /* 1 channel must be S32_BE or S32_LE */
196 } else if (c->max == 1)
197 fmask &= SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE;
198#ifndef ECHOCARD_HAS_STEREO_BIG_ENDIAN32
199 /* 2 channels cannot be S32_BE */
200 else if (c->min == 2 && c->max == 2)
201 fmask &= ~SNDRV_PCM_FMTBIT_S32_BE;
202#endif
203 else
204 return 0;
205
206 fmt.bits[0] &= (u32)fmask;
207 fmt.bits[1] &= (u32)(fmask >> 32);
208 return snd_mask_refine(f, &fmt);
209}
210
211
212
213static int hw_rule_playback_channels_by_format(struct snd_pcm_hw_params *params,
214 struct snd_pcm_hw_rule *rule)
215{
216 struct snd_interval *c = hw_param_interval(params,
217 SNDRV_PCM_HW_PARAM_CHANNELS);
218 struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
219 struct snd_interval ch;
220 u64 fmask;
221
222 snd_interval_any(&ch);
223 ch.integer = 1;
224 fmask = f->bits[0] + ((u64)f->bits[1] << 32);
225
226 /* S32_BE is mono (and stereo) only */
227 if (fmask == SNDRV_PCM_FMTBIT_S32_BE) {
228 ch.min = 1;
229#ifdef ECHOCARD_HAS_STEREO_BIG_ENDIAN32
230 ch.max = 2;
231#else
232 ch.max = 1;
233#endif
234 /* U8 is stereo only */
235 } else if (fmask == SNDRV_PCM_FMTBIT_U8)
236 ch.min = ch.max = 2;
237 /* S16_LE and S24_3LE must be at least stereo */
238 else if (!(fmask & ~(SNDRV_PCM_FMTBIT_S16_LE |
239 SNDRV_PCM_FMTBIT_S24_3LE)))
240 ch.min = 2;
241 else
242 return 0;
243
244 return snd_interval_refine(c, &ch);
245}
246
247
248
249/* Since the sample rate is a global setting, do allow the user to change the
250sample rate only if there is only one pcm device open. */
251static int hw_rule_sample_rate(struct snd_pcm_hw_params *params,
252 struct snd_pcm_hw_rule *rule)
253{
254 struct snd_interval *rate = hw_param_interval(params,
255 SNDRV_PCM_HW_PARAM_RATE);
256 struct echoaudio *chip = rule->private;
257 struct snd_interval fixed;
258
259 if (!chip->can_set_rate) {
260 snd_interval_any(&fixed);
261 fixed.min = fixed.max = chip->sample_rate;
262 return snd_interval_refine(rate, &fixed);
263 }
264 return 0;
265}
266
267
268static int pcm_open(struct snd_pcm_substream *substream,
269 signed char max_channels)
270{
271 struct echoaudio *chip;
272 struct snd_pcm_runtime *runtime;
273 struct audiopipe *pipe;
274 int err, i;
275
276 if (max_channels <= 0)
277 return -EAGAIN;
278
279 chip = snd_pcm_substream_chip(substream);
280 runtime = substream->runtime;
281
59feddb2
PI		 282 pipe = kzalloc(sizeof(struct audiopipe), GFP_KERNEL);
283 if (!pipe)
dd7b254d 284 return -ENOMEM;
dd7b254d
GP		 285 pipe->index = -1; /* Not configured yet */
286
287 /* Set up hw capabilities and contraints */
288 memcpy(&pipe->hw, &pcm_hardware_skel, sizeof(struct snd_pcm_hardware));
289 DE_HWP(("max_channels=%d\n", max_channels));
290 pipe->constr.list = channels_list;
291 pipe->constr.mask = 0;
292 for (i = 0; channels_list[i] <= max_channels; i++);
293 pipe->constr.count = i;
294 if (pipe->hw.channels_max > max_channels)
295 pipe->hw.channels_max = max_channels;
296 if (chip->digital_mode == DIGITAL_MODE_ADAT) {
297 pipe->hw.rate_max = 48000;
298 pipe->hw.rates &= SNDRV_PCM_RATE_8000_48000;
299 }
300
301 runtime->hw = pipe->hw;
302 runtime->private_data = pipe;
303 runtime->private_free = audiopipe_free;
304 snd_pcm_set_sync(substream);
305
306 /* Only mono and any even number of channels are allowed */
307 if ((err = snd_pcm_hw_constraint_list(runtime, 0,
308 SNDRV_PCM_HW_PARAM_CHANNELS,
309 &pipe->constr)) < 0)
310 return err;
311
312 /* All periods should have the same size */
313 if ((err = snd_pcm_hw_constraint_integer(runtime,
314 SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
315 return err;
316
317 /* The hw accesses memory in chunks 32 frames long and they should be
318 32-bytes-aligned. It's not a requirement, but it seems that IRQs are
319 generated with a resolution of 32 frames. Thus we need the following */
320 if ((err = snd_pcm_hw_constraint_step(runtime, 0,
321 SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
322 32)) < 0)
323 return err;
324 if ((err = snd_pcm_hw_constraint_step(runtime, 0,
325 SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
326 32)) < 0)
327 return err;
328
329 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
330 SNDRV_PCM_HW_PARAM_RATE,
331 hw_rule_sample_rate, chip,
332 SNDRV_PCM_HW_PARAM_RATE, -1)) < 0)
333 return err;
334
335 /* Finally allocate a page for the scatter-gather list */
336 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
337 snd_dma_pci_data(chip->pci),
338 PAGE_SIZE, &pipe->sgpage)) < 0) {
339 DE_HWP(("s-g list allocation failed\n"));
340 return err;
341 }
342
343 return 0;
344}
345
346
347
348static int pcm_analog_in_open(struct snd_pcm_substream *substream)
349{
350 struct echoaudio *chip = snd_pcm_substream_chip(substream);
351 int err;
352
353 DE_ACT(("pcm_analog_in_open\n"));
354 if ((err = pcm_open(substream, num_analog_busses_in(chip) -
355 substream->number)) < 0)
356 return err;
357 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
358 SNDRV_PCM_HW_PARAM_CHANNELS,
359 hw_rule_capture_channels_by_format, NULL,
360 SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0)
361 return err;
362 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
363 SNDRV_PCM_HW_PARAM_FORMAT,
364 hw_rule_capture_format_by_channels, NULL,
365 SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0)
366 return err;
367 atomic_inc(&chip->opencount);
368 if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
369 chip->can_set_rate=0;
370 DE_HWP(("pcm_analog_in_open cs=%d oc=%d r=%d\n",
371 chip->can_set_rate, atomic_read(&chip->opencount),
372 chip->sample_rate));
373 return 0;
374}
375
376
377
378static int pcm_analog_out_open(struct snd_pcm_substream *substream)
379{
380 struct echoaudio *chip = snd_pcm_substream_chip(substream);
381 int max_channels, err;
382
383#ifdef ECHOCARD_HAS_VMIXER
384 max_channels = num_pipes_out(chip);
385#else
386 max_channels = num_analog_busses_out(chip);
387#endif
388 DE_ACT(("pcm_analog_out_open\n"));
389 if ((err = pcm_open(substream, max_channels - substream->number)) < 0)
390 return err;
391 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
392 SNDRV_PCM_HW_PARAM_CHANNELS,
393 hw_rule_playback_channels_by_format,
394 NULL,
395 SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0)
396 return err;
397 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
398 SNDRV_PCM_HW_PARAM_FORMAT,
399 hw_rule_playback_format_by_channels,
400 NULL,
401 SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0)
402 return err;
403 atomic_inc(&chip->opencount);
404 if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
405 chip->can_set_rate=0;
406 DE_HWP(("pcm_analog_out_open cs=%d oc=%d r=%d\n",
407 chip->can_set_rate, atomic_read(&chip->opencount),
408 chip->sample_rate));
409 return 0;
410}
411
412
413
414#ifdef ECHOCARD_HAS_DIGITAL_IO
415
416static int pcm_digital_in_open(struct snd_pcm_substream *substream)
417{
418 struct echoaudio *chip = snd_pcm_substream_chip(substream);
419 int err, max_channels;
420
421 DE_ACT(("pcm_digital_in_open\n"));
422 max_channels = num_digital_busses_in(chip) - substream->number;
befceea9 423 mutex_lock(&chip->mode_mutex);
dd7b254d
GP		 424 if (chip->digital_mode == DIGITAL_MODE_ADAT)
425 err = pcm_open(substream, max_channels);
426 else /* If the card has ADAT, subtract the 6 channels
427 * that S/PDIF doesn't have
428 */
429 err = pcm_open(substream, max_channels - ECHOCARD_HAS_ADAT);
430
431 if (err < 0)
432 goto din_exit;
433
434 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
435 SNDRV_PCM_HW_PARAM_CHANNELS,
436 hw_rule_capture_channels_by_format, NULL,
437 SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0)
438 goto din_exit;
439 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
440 SNDRV_PCM_HW_PARAM_FORMAT,
441 hw_rule_capture_format_by_channels, NULL,
442 SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0)
443 goto din_exit;
444
445 atomic_inc(&chip->opencount);
446 if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
447 chip->can_set_rate=0;
448
449din_exit:
befceea9 450 mutex_unlock(&chip->mode_mutex);
dd7b254d
GP		 451 return err;
452}
453
454
455
456#ifndef ECHOCARD_HAS_VMIXER /* See the note in snd_echo_new_pcm() */
457
458static int pcm_digital_out_open(struct snd_pcm_substream *substream)
459{
460 struct echoaudio *chip = snd_pcm_substream_chip(substream);
461 int err, max_channels;
462
463 DE_ACT(("pcm_digital_out_open\n"));
464 max_channels = num_digital_busses_out(chip) - substream->number;
befceea9 465 mutex_lock(&chip->mode_mutex);
dd7b254d
GP		 466 if (chip->digital_mode == DIGITAL_MODE_ADAT)
467 err = pcm_open(substream, max_channels);
468 else /* If the card has ADAT, subtract the 6 channels
469 * that S/PDIF doesn't have
470 */
471 err = pcm_open(substream, max_channels - ECHOCARD_HAS_ADAT);
472
473 if (err < 0)
474 goto dout_exit;
475
476 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
477 SNDRV_PCM_HW_PARAM_CHANNELS,
478 hw_rule_playback_channels_by_format,
479 NULL, SNDRV_PCM_HW_PARAM_FORMAT,
480 -1)) < 0)
481 goto dout_exit;
482 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
483 SNDRV_PCM_HW_PARAM_FORMAT,
484 hw_rule_playback_format_by_channels,
485 NULL, SNDRV_PCM_HW_PARAM_CHANNELS,
486 -1)) < 0)
487 goto dout_exit;
488 atomic_inc(&chip->opencount);
489 if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
490 chip->can_set_rate=0;
491dout_exit:
befceea9 492 mutex_unlock(&chip->mode_mutex);
dd7b254d
GP		 493 return err;
494}
495
496#endif /* !ECHOCARD_HAS_VMIXER */
497
498#endif /* ECHOCARD_HAS_DIGITAL_IO */
499
500
501
502static int pcm_close(struct snd_pcm_substream *substream)
503{
504 struct echoaudio *chip = snd_pcm_substream_chip(substream);
505 int oc;
506
507 /* Nothing to do here. Audio is already off and pipe will be
508 * freed by its callback
509 */
510 DE_ACT(("pcm_close\n"));
511
512 atomic_dec(&chip->opencount);
513 oc = atomic_read(&chip->opencount);
514 DE_ACT(("pcm_close oc=%d cs=%d rs=%d\n", oc,
515 chip->can_set_rate, chip->rate_set));
516 if (oc < 2)
517 chip->can_set_rate = 1;
518 if (oc == 0)
519 chip->rate_set = 0;
520 DE_ACT(("pcm_close2 oc=%d cs=%d rs=%d\n", oc,
521 chip->can_set_rate,chip->rate_set));
522
523 return 0;
524}
525
526
527
528/* Channel allocation and scatter-gather list setup */
529static int init_engine(struct snd_pcm_substream *substream,
530 struct snd_pcm_hw_params *hw_params,
531 int pipe_index, int interleave)
532{
533 struct echoaudio *chip;
534 int err, per, rest, page, edge, offs;
dd7b254d
GP		 535 struct audiopipe *pipe;
536
537 chip = snd_pcm_substream_chip(substream);
538 pipe = (struct audiopipe *) substream->runtime->private_data;
539
540 /* Sets up che hardware. If it's already initialized, reset and
541 * redo with the new parameters
542 */
543 spin_lock_irq(&chip->lock);
544 if (pipe->index >= 0) {
545 DE_HWP(("hwp_ie free(%d)\n", pipe->index));
546 err = free_pipes(chip, pipe);
da3cec35 547 snd_BUG_ON(err);
dd7b254d
GP		 548 chip->substream[pipe->index] = NULL;
549 }
550
551 err = allocate_pipes(chip, pipe, pipe_index, interleave);
552 if (err < 0) {
553 spin_unlock_irq(&chip->lock);
554 DE_ACT((KERN_NOTICE "allocate_pipes(%d) err=%d\n",
555 pipe_index, err));
556 return err;
557 }
558 spin_unlock_irq(&chip->lock);
559 DE_ACT((KERN_NOTICE "allocate_pipes()=%d\n", pipe_index));
560
561 DE_HWP(("pcm_hw_params (bufsize=%dB periods=%d persize=%dB)\n",
562 params_buffer_bytes(hw_params), params_periods(hw_params),
563 params_period_bytes(hw_params)));
564 err = snd_pcm_lib_malloc_pages(substream,
565 params_buffer_bytes(hw_params));
566 if (err < 0) {
ece7a36d 567 dev_err(chip->card->dev, "malloc_pages err=%d\n", err);
dd7b254d
GP		 568 spin_lock_irq(&chip->lock);
569 free_pipes(chip, pipe);
570 spin_unlock_irq(&chip->lock);
571 pipe->index = -1;
572 return err;
573 }
574
dd7b254d
GP		 575 sglist_init(chip, pipe);
576 edge = PAGE_SIZE;
577 for (offs = page = per = 0; offs < params_buffer_bytes(hw_params);
578 per++) {
579 rest = params_period_bytes(hw_params);
580 if (offs + rest > params_buffer_bytes(hw_params))
581 rest = params_buffer_bytes(hw_params) - offs;
582 while (rest) {
77a23f26
TI		 583 dma_addr_t addr;
584 addr = snd_pcm_sgbuf_get_addr(substream, offs);
dd7b254d 585 if (rest <= edge - offs) {
77a23f26 586 sglist_add_mapping(chip, pipe, addr, rest);
dd7b254d
GP		 587 sglist_add_irq(chip, pipe);
588 offs += rest;
589 rest = 0;
590 } else {
77a23f26 591 sglist_add_mapping(chip, pipe, addr,
dd7b254d
GP		 592 edge - offs);
593 rest -= edge - offs;
594 offs = edge;
595 }
596 if (offs == edge) {
597 edge += PAGE_SIZE;
598 page++;
599 }
600 }
601 }
602
603 /* Close the ring buffer */
604 sglist_wrap(chip, pipe);
605
606 /* This stuff is used by the irq handler, so it must be
607 * initialized before chip->substream
608 */
609 chip->last_period[pipe_index] = 0;
610 pipe->last_counter = 0;
611 pipe->position = 0;
612 smp_wmb();
613 chip->substream[pipe_index] = substream;
614 chip->rate_set = 1;
615 spin_lock_irq(&chip->lock);
616 set_sample_rate(chip, hw_params->rate_num / hw_params->rate_den);
617 spin_unlock_irq(&chip->lock);
618 DE_HWP(("pcm_hw_params ok\n"));
619 return 0;
620}
621
622
623
624static int pcm_analog_in_hw_params(struct snd_pcm_substream *substream,
625 struct snd_pcm_hw_params *hw_params)
626{
627 struct echoaudio *chip = snd_pcm_substream_chip(substream);
628
629 return init_engine(substream, hw_params, px_analog_in(chip) +
630 substream->number, params_channels(hw_params));
631}
632
633
634
635static int pcm_analog_out_hw_params(struct snd_pcm_substream *substream,
636 struct snd_pcm_hw_params *hw_params)
637{
638 return init_engine(substream, hw_params, substream->number,
639 params_channels(hw_params));
640}
641
642
643
644#ifdef ECHOCARD_HAS_DIGITAL_IO
645
646static int pcm_digital_in_hw_params(struct snd_pcm_substream *substream,
647 struct snd_pcm_hw_params *hw_params)
648{
649 struct echoaudio *chip = snd_pcm_substream_chip(substream);
650
651 return init_engine(substream, hw_params, px_digital_in(chip) +
652 substream->number, params_channels(hw_params));
653}
654
655
656
657#ifndef ECHOCARD_HAS_VMIXER /* See the note in snd_echo_new_pcm() */
658static int pcm_digital_out_hw_params(struct snd_pcm_substream *substream,
659 struct snd_pcm_hw_params *hw_params)
660{
661 struct echoaudio *chip = snd_pcm_substream_chip(substream);
662
663 return init_engine(substream, hw_params, px_digital_out(chip) +
664 substream->number, params_channels(hw_params));
665}
666#endif /* !ECHOCARD_HAS_VMIXER */
667
668#endif /* ECHOCARD_HAS_DIGITAL_IO */
669
670
671
672static int pcm_hw_free(struct snd_pcm_substream *substream)
673{
674 struct echoaudio *chip;
675 struct audiopipe *pipe;
676
677 chip = snd_pcm_substream_chip(substream);
678 pipe = (struct audiopipe *) substream->runtime->private_data;
679
680 spin_lock_irq(&chip->lock);
681 if (pipe->index >= 0) {
682 DE_HWP(("pcm_hw_free(%d)\n", pipe->index));
683 free_pipes(chip, pipe);
684 chip->substream[pipe->index] = NULL;
685 pipe->index = -1;
686 }
687 spin_unlock_irq(&chip->lock);
688
689 DE_HWP(("pcm_hw_freed\n"));
690 snd_pcm_lib_free_pages(substream);
691 return 0;
692}
693
694
695
696static int pcm_prepare(struct snd_pcm_substream *substream)
697{
698 struct echoaudio *chip = snd_pcm_substream_chip(substream);
699 struct snd_pcm_runtime *runtime = substream->runtime;
700 struct audioformat format;
701 int pipe_index = ((struct audiopipe *)runtime->private_data)->index;
702
703 DE_HWP(("Prepare rate=%d format=%d channels=%d\n",
704 runtime->rate, runtime->format, runtime->channels));
705 format.interleave = runtime->channels;
706 format.data_are_bigendian = 0;
707 format.mono_to_stereo = 0;
708 switch (runtime->format) {
709 case SNDRV_PCM_FORMAT_U8:
710 format.bits_per_sample = 8;
711 break;
712 case SNDRV_PCM_FORMAT_S16_LE:
713 format.bits_per_sample = 16;
714 break;
715 case SNDRV_PCM_FORMAT_S24_3LE:
716 format.bits_per_sample = 24;
717 break;
718 case SNDRV_PCM_FORMAT_S32_BE:
719 format.data_are_bigendian = 1;
720 case SNDRV_PCM_FORMAT_S32_LE:
721 format.bits_per_sample = 32;
722 break;
723 default:
724 DE_HWP(("Prepare error: unsupported format %d\n",
725 runtime->format));
726 return -EINVAL;
727 }
728
da3cec35
TI		 729 if (snd_BUG_ON(pipe_index >= px_num(chip)))
730 return -EINVAL;
731 if (snd_BUG_ON(!is_pipe_allocated(chip, pipe_index)))
732 return -EINVAL;
dd7b254d
GP		 733 set_audio_format(chip, pipe_index, &format);
734 return 0;
735}
736
737
738
739static int pcm_trigger(struct snd_pcm_substream *substream, int cmd)
740{
741 struct echoaudio *chip = snd_pcm_substream_chip(substream);
742 struct snd_pcm_runtime *runtime = substream->runtime;
743 struct audiopipe *pipe = runtime->private_data;
744 int i, err;
745 u32 channelmask = 0;
dd7b254d
GP		 746 struct snd_pcm_substream *s;
747
ef991b95 748 snd_pcm_group_for_each_entry(s, substream) {
dd7b254d
GP		 749 for (i = 0; i < DSP_MAXPIPES; i++) {
750 if (s == chip->substream[i]) {
751 channelmask |= 1 << i;
752 snd_pcm_trigger_done(s, substream);
753 }
754 }
755 }
756
757 spin_lock(&chip->lock);
758 switch (cmd) {
47b5d028
GP		 759 case SNDRV_PCM_TRIGGER_RESUME:
760 DE_ACT(("pcm_trigger resume\n"));
dd7b254d
GP		 761 case SNDRV_PCM_TRIGGER_START:
762 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
763 DE_ACT(("pcm_trigger start\n"));
764 for (i = 0; i < DSP_MAXPIPES; i++) {
765 if (channelmask & (1 << i)) {
766 pipe = chip->substream[i]->runtime->private_data;
767 switch (pipe->state) {
768 case PIPE_STATE_STOPPED:
769 chip->last_period[i] = 0;
770 pipe->last_counter = 0;
771 pipe->position = 0;
772 *pipe->dma_counter = 0;
773 case PIPE_STATE_PAUSED:
774 pipe->state = PIPE_STATE_STARTED;
775 break;
776 case PIPE_STATE_STARTED:
777 break;
778 }
779 }
780 }
781 err = start_transport(chip, channelmask,
782 chip->pipe_cyclic_mask);
783 break;
47b5d028
GP		 784 case SNDRV_PCM_TRIGGER_SUSPEND:
785 DE_ACT(("pcm_trigger suspend\n"));
dd7b254d
GP		 786 case SNDRV_PCM_TRIGGER_STOP:
787 DE_ACT(("pcm_trigger stop\n"));
788 for (i = 0; i < DSP_MAXPIPES; i++) {
789 if (channelmask & (1 << i)) {
790 pipe = chip->substream[i]->runtime->private_data;
791 pipe->state = PIPE_STATE_STOPPED;
792 }
793 }
794 err = stop_transport(chip, channelmask);
795 break;
796 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
797 DE_ACT(("pcm_trigger pause\n"));
798 for (i = 0; i < DSP_MAXPIPES; i++) {
799 if (channelmask & (1 << i)) {
800 pipe = chip->substream[i]->runtime->private_data;
801 pipe->state = PIPE_STATE_PAUSED;
802 }
803 }
804 err = pause_transport(chip, channelmask);
805 break;
806 default:
807 err = -EINVAL;
808 }
809 spin_unlock(&chip->lock);
810 return err;
811}
812
813
814
815static snd_pcm_uframes_t pcm_pointer(struct snd_pcm_substream *substream)
816{
817 struct snd_pcm_runtime *runtime = substream->runtime;
818 struct audiopipe *pipe = runtime->private_data;
819 size_t cnt, bufsize, pos;
820
821 cnt = le32_to_cpu(*pipe->dma_counter);
822 pipe->position += cnt - pipe->last_counter;
823 pipe->last_counter = cnt;
824 bufsize = substream->runtime->buffer_size;
825 pos = bytes_to_frames(substream->runtime, pipe->position);
826
827 while (pos >= bufsize) {
828 pipe->position -= frames_to_bytes(substream->runtime, bufsize);
829 pos -= bufsize;
830 }
831 return pos;
832}
833
834
835
836/* pcm *_ops structures */
837static struct snd_pcm_ops analog_playback_ops = {
838 .open = pcm_analog_out_open,
839 .close = pcm_close,
840 .ioctl = snd_pcm_lib_ioctl,
841 .hw_params = pcm_analog_out_hw_params,
842 .hw_free = pcm_hw_free,
843 .prepare = pcm_prepare,
844 .trigger = pcm_trigger,
845 .pointer = pcm_pointer,
846 .page = snd_pcm_sgbuf_ops_page,
847};
848static struct snd_pcm_ops analog_capture_ops = {
849 .open = pcm_analog_in_open,
850 .close = pcm_close,
851 .ioctl = snd_pcm_lib_ioctl,
852 .hw_params = pcm_analog_in_hw_params,
853 .hw_free = pcm_hw_free,
854 .prepare = pcm_prepare,
855 .trigger = pcm_trigger,
856 .pointer = pcm_pointer,
857 .page = snd_pcm_sgbuf_ops_page,
858};
859#ifdef ECHOCARD_HAS_DIGITAL_IO
860#ifndef ECHOCARD_HAS_VMIXER
861static struct snd_pcm_ops digital_playback_ops = {
862 .open = pcm_digital_out_open,
863 .close = pcm_close,
864 .ioctl = snd_pcm_lib_ioctl,
865 .hw_params = pcm_digital_out_hw_params,
866 .hw_free = pcm_hw_free,
867 .prepare = pcm_prepare,
868 .trigger = pcm_trigger,
869 .pointer = pcm_pointer,
870 .page = snd_pcm_sgbuf_ops_page,
871};
872#endif /* !ECHOCARD_HAS_VMIXER */
873static struct snd_pcm_ops digital_capture_ops = {
874 .open = pcm_digital_in_open,
875 .close = pcm_close,
876 .ioctl = snd_pcm_lib_ioctl,
877 .hw_params = pcm_digital_in_hw_params,
878 .hw_free = pcm_hw_free,
879 .prepare = pcm_prepare,
880 .trigger = pcm_trigger,
881 .pointer = pcm_pointer,
882 .page = snd_pcm_sgbuf_ops_page,
883};
884#endif /* ECHOCARD_HAS_DIGITAL_IO */
885
886
887
888/* Preallocate memory only for the first substream because it's the most
889 * used one
890 */
891static int snd_echo_preallocate_pages(struct snd_pcm *pcm, struct device *dev)
892{
893 struct snd_pcm_substream *ss;
894 int stream, err;
895
896 for (stream = 0; stream < 2; stream++)
897 for (ss = pcm->streams[stream].substream; ss; ss = ss->next) {
898 err = snd_pcm_lib_preallocate_pages(ss, SNDRV_DMA_TYPE_DEV_SG,
899 dev,
900 ss->number ? 0 : 128<<10,
901 256<<10);
902 if (err < 0)
903 return err;
904 }
905 return 0;
906}
907
908
909
910/*<--snd_echo_probe() */
e23e7a14 911static int snd_echo_new_pcm(struct echoaudio *chip)
dd7b254d
GP		 912{
913 struct snd_pcm *pcm;
914 int err;
915
916#ifdef ECHOCARD_HAS_VMIXER
917 /* This card has a Vmixer, that is there is no direct mapping from PCM
918 streams to physical outputs. The user can mix the streams as he wishes
919 via control interface and it's possible to send any stream to any
920 output, thus it makes no sense to keep analog and digital outputs
921 separated */
922
923 /* PCM#0 Virtual outputs and analog inputs */
924 if ((err = snd_pcm_new(chip->card, "PCM", 0, num_pipes_out(chip),
925 num_analog_busses_in(chip), &pcm)) < 0)
926 return err;
927 pcm->private_data = chip;
928 chip->analog_pcm = pcm;
929 strcpy(pcm->name, chip->card->shortname);
930 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &analog_playback_ops);
931 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &analog_capture_ops);
932 if ((err = snd_echo_preallocate_pages(pcm, snd_dma_pci_data(chip->pci))) < 0)
933 return err;
934 DE_INIT(("Analog PCM ok\n"));
935
936#ifdef ECHOCARD_HAS_DIGITAL_IO
937 /* PCM#1 Digital inputs, no outputs */
938 if ((err = snd_pcm_new(chip->card, "Digital PCM", 1, 0,
939 num_digital_busses_in(chip), &pcm)) < 0)
940 return err;
941 pcm->private_data = chip;
942 chip->digital_pcm = pcm;
943 strcpy(pcm->name, chip->card->shortname);
944 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &digital_capture_ops);
945 if ((err = snd_echo_preallocate_pages(pcm, snd_dma_pci_data(chip->pci))) < 0)
946 return err;
947 DE_INIT(("Digital PCM ok\n"));
948#endif /* ECHOCARD_HAS_DIGITAL_IO */
949
950#else /* ECHOCARD_HAS_VMIXER */
951
952 /* The card can manage substreams formed by analog and digital channels
953 at the same time, but I prefer to keep analog and digital channels
954 separated, because that mixed thing is confusing and useless. So we
955 register two PCM devices: */
956
957 /* PCM#0 Analog i/o */
958 if ((err = snd_pcm_new(chip->card, "Analog PCM", 0,
959 num_analog_busses_out(chip),
960 num_analog_busses_in(chip), &pcm)) < 0)
961 return err;
962 pcm->private_data = chip;
963 chip->analog_pcm = pcm;
964 strcpy(pcm->name, chip->card->shortname);
965 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &analog_playback_ops);
966 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &analog_capture_ops);
967 if ((err = snd_echo_preallocate_pages(pcm, snd_dma_pci_data(chip->pci))) < 0)
968 return err;
969 DE_INIT(("Analog PCM ok\n"));
970
971#ifdef ECHOCARD_HAS_DIGITAL_IO
972 /* PCM#1 Digital i/o */
973 if ((err = snd_pcm_new(chip->card, "Digital PCM", 1,
974 num_digital_busses_out(chip),
975 num_digital_busses_in(chip), &pcm)) < 0)
976 return err;
977 pcm->private_data = chip;
978 chip->digital_pcm = pcm;
979 strcpy(pcm->name, chip->card->shortname);
980 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &digital_playback_ops);
981 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &digital_capture_ops);
982 if ((err = snd_echo_preallocate_pages(pcm, snd_dma_pci_data(chip->pci))) < 0)
983 return err;
984 DE_INIT(("Digital PCM ok\n"));
985#endif /* ECHOCARD_HAS_DIGITAL_IO */
986
987#endif /* ECHOCARD_HAS_VMIXER */
988
989 return 0;
990}
991
992
993
994
995/******************************************************************************
996 Control interface
997******************************************************************************/
998
392bf2f1 999#if !defined(ECHOCARD_HAS_VMIXER) || defined(ECHOCARD_HAS_LINE_OUT_GAIN)
9f5d790d 1000
dd7b254d
GP		 1001/******************* PCM output volume *******************/
1002static int snd_echo_output_gain_info(struct snd_kcontrol *kcontrol,
1003 struct snd_ctl_elem_info *uinfo)
1004{
1005 struct echoaudio *chip;
1006
1007 chip = snd_kcontrol_chip(kcontrol);
1008 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1009 uinfo->count = num_busses_out(chip);
1010 uinfo->value.integer.min = ECHOGAIN_MINOUT;
1011 uinfo->value.integer.max = ECHOGAIN_MAXOUT;
1012 return 0;
1013}
1014
1015static int snd_echo_output_gain_get(struct snd_kcontrol *kcontrol,
1016 struct snd_ctl_elem_value *ucontrol)
1017{
1018 struct echoaudio *chip;
1019 int c;
1020
1021 chip = snd_kcontrol_chip(kcontrol);
1022 for (c = 0; c < num_busses_out(chip); c++)
1023 ucontrol->value.integer.value[c] = chip->output_gain[c];
1024 return 0;
1025}
1026
1027static int snd_echo_output_gain_put(struct snd_kcontrol *kcontrol,
1028 struct snd_ctl_elem_value *ucontrol)
1029{
1030 struct echoaudio *chip;
1031 int c, changed, gain;
1032
1033 changed = 0;
1034 chip = snd_kcontrol_chip(kcontrol);
1035 spin_lock_irq(&chip->lock);
1036 for (c = 0; c < num_busses_out(chip); c++) {
1037 gain = ucontrol->value.integer.value[c];
1038 /* Ignore out of range values */
1039 if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT)
1040 continue;
1041 if (chip->output_gain[c] != gain) {
1042 set_output_gain(chip, c, gain);
1043 changed = 1;
1044 }
1045 }
1046 if (changed)
1047 update_output_line_level(chip);
1048 spin_unlock_irq(&chip->lock);
1049 return changed;
1050}
1051
392bf2f1
GP		 1052#ifdef ECHOCARD_HAS_LINE_OUT_GAIN
1053/* On the Mia this one controls the line-out volume */
e23e7a14 1054static struct snd_kcontrol_new snd_echo_line_output_gain = {
392bf2f1
GP		 1055 .name = "Line Playback Volume",
1056 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1057 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1058 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1059 .info = snd_echo_output_gain_info,
1060 .get = snd_echo_output_gain_get,
1061 .put = snd_echo_output_gain_put,
1062 .tlv = {.p = db_scale_output_gain},
1063};
1064#else
e23e7a14 1065static struct snd_kcontrol_new snd_echo_pcm_output_gain = {
dd7b254d
GP		 1066 .name = "PCM Playback Volume",
1067 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
048b9450 1068 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
dd7b254d
GP		 1069 .info = snd_echo_output_gain_info,
1070 .get = snd_echo_output_gain_get,
1071 .put = snd_echo_output_gain_put,
048b9450 1072 .tlv = {.p = db_scale_output_gain},
dd7b254d
GP		 1073};
1074#endif
1075
392bf2f1
GP		 1076#endif /* !ECHOCARD_HAS_VMIXER || ECHOCARD_HAS_LINE_OUT_GAIN */
1077
dd7b254d
GP		 1078
1079
1080#ifdef ECHOCARD_HAS_INPUT_GAIN
1081
1082/******************* Analog input volume *******************/
1083static int snd_echo_input_gain_info(struct snd_kcontrol *kcontrol,
1084 struct snd_ctl_elem_info *uinfo)
1085{
1086 struct echoaudio *chip;
1087
1088 chip = snd_kcontrol_chip(kcontrol);
1089 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1090 uinfo->count = num_analog_busses_in(chip);
1091 uinfo->value.integer.min = ECHOGAIN_MININP;
1092 uinfo->value.integer.max = ECHOGAIN_MAXINP;
1093 return 0;
1094}
1095
1096static int snd_echo_input_gain_get(struct snd_kcontrol *kcontrol,
1097 struct snd_ctl_elem_value *ucontrol)
1098{
1099 struct echoaudio *chip;
1100 int c;
1101
1102 chip = snd_kcontrol_chip(kcontrol);
1103 for (c = 0; c < num_analog_busses_in(chip); c++)
1104 ucontrol->value.integer.value[c] = chip->input_gain[c];
1105 return 0;
1106}
1107
1108static int snd_echo_input_gain_put(struct snd_kcontrol *kcontrol,
1109 struct snd_ctl_elem_value *ucontrol)
1110{
1111 struct echoaudio *chip;
1112 int c, gain, changed;
1113
1114 changed = 0;
1115 chip = snd_kcontrol_chip(kcontrol);
1116 spin_lock_irq(&chip->lock);
1117 for (c = 0; c < num_analog_busses_in(chip); c++) {
1118 gain = ucontrol->value.integer.value[c];
1119 /* Ignore out of range values */
1120 if (gain < ECHOGAIN_MININP || gain > ECHOGAIN_MAXINP)
1121 continue;
1122 if (chip->input_gain[c] != gain) {
1123 set_input_gain(chip, c, gain);
1124 changed = 1;
1125 }
1126 }
1127 if (changed)
1128 update_input_line_level(chip);
1129 spin_unlock_irq(&chip->lock);
1130 return changed;
1131}
1132
0cb29ea0 1133static const DECLARE_TLV_DB_SCALE(db_scale_input_gain, -2500, 50, 0);
048b9450 1134
e23e7a14 1135static struct snd_kcontrol_new snd_echo_line_input_gain = {
dd7b254d
GP		 1136 .name = "Line Capture Volume",
1137 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
048b9450 1138 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
dd7b254d
GP		 1139 .info = snd_echo_input_gain_info,
1140 .get = snd_echo_input_gain_get,
1141 .put = snd_echo_input_gain_put,
048b9450 1142 .tlv = {.p = db_scale_input_gain},
dd7b254d
GP		 1143};
1144
1145#endif /* ECHOCARD_HAS_INPUT_GAIN */
1146
1147
1148
1149#ifdef ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL
1150
1151/************ Analog output nominal level (+4dBu / -10dBV) ***************/
1152static int snd_echo_output_nominal_info (struct snd_kcontrol *kcontrol,
1153 struct snd_ctl_elem_info *uinfo)
1154{
1155 struct echoaudio *chip;
1156
1157 chip = snd_kcontrol_chip(kcontrol);
1158 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1159 uinfo->count = num_analog_busses_out(chip);
1160 uinfo->value.integer.min = 0;
1161 uinfo->value.integer.max = 1;
1162 return 0;
1163}
1164
1165static int snd_echo_output_nominal_get(struct snd_kcontrol *kcontrol,
1166 struct snd_ctl_elem_value *ucontrol)
1167{
1168 struct echoaudio *chip;
1169 int c;
1170
1171 chip = snd_kcontrol_chip(kcontrol);
1172 for (c = 0; c < num_analog_busses_out(chip); c++)
1173 ucontrol->value.integer.value[c] = chip->nominal_level[c];
1174 return 0;
1175}
1176
1177static int snd_echo_output_nominal_put(struct snd_kcontrol *kcontrol,
1178 struct snd_ctl_elem_value *ucontrol)
1179{
1180 struct echoaudio *chip;
1181 int c, changed;
1182
1183 changed = 0;
1184 chip = snd_kcontrol_chip(kcontrol);
1185 spin_lock_irq(&chip->lock);
1186 for (c = 0; c < num_analog_busses_out(chip); c++) {
1187 if (chip->nominal_level[c] != ucontrol->value.integer.value[c]) {
1188 set_nominal_level(chip, c,
1189 ucontrol->value.integer.value[c]);
1190 changed = 1;
1191 }
1192 }
1193 if (changed)
1194 update_output_line_level(chip);
1195 spin_unlock_irq(&chip->lock);
1196 return changed;
1197}
1198
e23e7a14 1199static struct snd_kcontrol_new snd_echo_output_nominal_level = {
dd7b254d
GP		 1200 .name = "Line Playback Switch (-10dBV)",
1201 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1202 .info = snd_echo_output_nominal_info,
1203 .get = snd_echo_output_nominal_get,
1204 .put = snd_echo_output_nominal_put,
1205};
1206
1207#endif /* ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL */
1208
1209
1210
1211#ifdef ECHOCARD_HAS_INPUT_NOMINAL_LEVEL
1212
1213/*************** Analog input nominal level (+4dBu / -10dBV) ***************/
1214static int snd_echo_input_nominal_info(struct snd_kcontrol *kcontrol,
1215 struct snd_ctl_elem_info *uinfo)
1216{
1217 struct echoaudio *chip;
1218
1219 chip = snd_kcontrol_chip(kcontrol);
1220 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1221 uinfo->count = num_analog_busses_in(chip);
1222 uinfo->value.integer.min = 0;
1223 uinfo->value.integer.max = 1;
1224 return 0;
1225}
1226
1227static int snd_echo_input_nominal_get(struct snd_kcontrol *kcontrol,
1228 struct snd_ctl_elem_value *ucontrol)
1229{
1230 struct echoaudio *chip;
1231 int c;
1232
1233 chip = snd_kcontrol_chip(kcontrol);
1234 for (c = 0; c < num_analog_busses_in(chip); c++)
1235 ucontrol->value.integer.value[c] =
1236 chip->nominal_level[bx_analog_in(chip) + c];
1237 return 0;
1238}
1239
1240static int snd_echo_input_nominal_put(struct snd_kcontrol *kcontrol,
1241 struct snd_ctl_elem_value *ucontrol)
1242{
1243 struct echoaudio *chip;
1244 int c, changed;
1245
1246 changed = 0;
1247 chip = snd_kcontrol_chip(kcontrol);
1248 spin_lock_irq(&chip->lock);
1249 for (c = 0; c < num_analog_busses_in(chip); c++) {
1250 if (chip->nominal_level[bx_analog_in(chip) + c] !=
1251 ucontrol->value.integer.value[c]) {
1252 set_nominal_level(chip, bx_analog_in(chip) + c,
1253 ucontrol->value.integer.value[c]);
1254 changed = 1;
1255 }
1256 }
1257 if (changed)
1258 update_output_line_level(chip); /* "Output" is not a mistake
1259 * here.
1260 */
1261 spin_unlock_irq(&chip->lock);
1262 return changed;
1263}
1264
e23e7a14 1265static struct snd_kcontrol_new snd_echo_intput_nominal_level = {
dd7b254d
GP		 1266 .name = "Line Capture Switch (-10dBV)",
1267 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1268 .info = snd_echo_input_nominal_info,
1269 .get = snd_echo_input_nominal_get,
1270 .put = snd_echo_input_nominal_put,
1271};
1272
1273#endif /* ECHOCARD_HAS_INPUT_NOMINAL_LEVEL */
1274
1275
1276
1277#ifdef ECHOCARD_HAS_MONITOR
1278
1279/******************* Monitor mixer *******************/
1280static int snd_echo_mixer_info(struct snd_kcontrol *kcontrol,
1281 struct snd_ctl_elem_info *uinfo)
1282{
1283 struct echoaudio *chip;
1284
1285 chip = snd_kcontrol_chip(kcontrol);
1286 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1287 uinfo->count = 1;
1288 uinfo->value.integer.min = ECHOGAIN_MINOUT;
1289 uinfo->value.integer.max = ECHOGAIN_MAXOUT;
1290 uinfo->dimen.d[0] = num_busses_out(chip);
1291 uinfo->dimen.d[1] = num_busses_in(chip);
1292 return 0;
1293}
1294
1295static int snd_echo_mixer_get(struct snd_kcontrol *kcontrol,
1296 struct snd_ctl_elem_value *ucontrol)
1297{
1298 struct echoaudio *chip;
1299
1300 chip = snd_kcontrol_chip(kcontrol);
1301 ucontrol->value.integer.value[0] =
1302 chip->monitor_gain[ucontrol->id.index / num_busses_in(chip)]
1303 [ucontrol->id.index % num_busses_in(chip)];
1304 return 0;
1305}
1306
1307static int snd_echo_mixer_put(struct snd_kcontrol *kcontrol,
1308 struct snd_ctl_elem_value *ucontrol)
1309{
1310 struct echoaudio *chip;
1311 int changed, gain;
1312 short out, in;
1313
1314 changed = 0;
1315 chip = snd_kcontrol_chip(kcontrol);
1316 out = ucontrol->id.index / num_busses_in(chip);
1317 in = ucontrol->id.index % num_busses_in(chip);
1318 gain = ucontrol->value.integer.value[0];
1319 if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT)
1320 return -EINVAL;
1321 if (chip->monitor_gain[out][in] != gain) {
1322 spin_lock_irq(&chip->lock);
1323 set_monitor_gain(chip, out, in, gain);
1324 update_output_line_level(chip);
1325 spin_unlock_irq(&chip->lock);
1326 changed = 1;
1327 }
1328 return changed;
1329}
1330
e23e7a14 1331static struct snd_kcontrol_new snd_echo_monitor_mixer = {
dd7b254d
GP		 1332 .name = "Monitor Mixer Volume",
1333 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
048b9450 1334 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
dd7b254d
GP		 1335 .info = snd_echo_mixer_info,
1336 .get = snd_echo_mixer_get,
1337 .put = snd_echo_mixer_put,
048b9450 1338 .tlv = {.p = db_scale_output_gain},
dd7b254d
GP		 1339};
1340
1341#endif /* ECHOCARD_HAS_MONITOR */
1342
1343
1344
1345#ifdef ECHOCARD_HAS_VMIXER
1346
1347/******************* Vmixer *******************/
1348static int snd_echo_vmixer_info(struct snd_kcontrol *kcontrol,
1349 struct snd_ctl_elem_info *uinfo)
1350{
1351 struct echoaudio *chip;
1352
1353 chip = snd_kcontrol_chip(kcontrol);
1354 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1355 uinfo->count = 1;
1356 uinfo->value.integer.min = ECHOGAIN_MINOUT;
1357 uinfo->value.integer.max = ECHOGAIN_MAXOUT;
1358 uinfo->dimen.d[0] = num_busses_out(chip);
1359 uinfo->dimen.d[1] = num_pipes_out(chip);
1360 return 0;
1361}
1362
1363static int snd_echo_vmixer_get(struct snd_kcontrol *kcontrol,
1364 struct snd_ctl_elem_value *ucontrol)
1365{
1366 struct echoaudio *chip;
1367
1368 chip = snd_kcontrol_chip(kcontrol);
1369 ucontrol->value.integer.value[0] =
1370 chip->vmixer_gain[ucontrol->id.index / num_pipes_out(chip)]
1371 [ucontrol->id.index % num_pipes_out(chip)];
1372 return 0;
1373}
1374
1375static int snd_echo_vmixer_put(struct snd_kcontrol *kcontrol,
1376 struct snd_ctl_elem_value *ucontrol)
1377{
1378 struct echoaudio *chip;
1379 int gain, changed;
1380 short vch, out;
1381
1382 changed = 0;
1383 chip = snd_kcontrol_chip(kcontrol);
1384 out = ucontrol->id.index / num_pipes_out(chip);
1385 vch = ucontrol->id.index % num_pipes_out(chip);
1386 gain = ucontrol->value.integer.value[0];
1387 if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT)
1388 return -EINVAL;
1389 if (chip->vmixer_gain[out][vch] != ucontrol->value.integer.value[0]) {
1390 spin_lock_irq(&chip->lock);
1391 set_vmixer_gain(chip, out, vch, ucontrol->value.integer.value[0]);
1392 update_vmixer_level(chip);
1393 spin_unlock_irq(&chip->lock);
1394 changed = 1;
1395 }
1396 return changed;
1397}
1398
e23e7a14 1399static struct snd_kcontrol_new snd_echo_vmixer = {
dd7b254d
GP		 1400 .name = "VMixer Volume",
1401 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
048b9450 1402 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
dd7b254d
GP		 1403 .info = snd_echo_vmixer_info,
1404 .get = snd_echo_vmixer_get,
1405 .put = snd_echo_vmixer_put,
048b9450 1406 .tlv = {.p = db_scale_output_gain},
dd7b254d
GP		 1407};
1408
1409#endif /* ECHOCARD_HAS_VMIXER */
1410
1411
1412
1413#ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH
1414
1415/******************* Digital mode switch *******************/
1416static int snd_echo_digital_mode_info(struct snd_kcontrol *kcontrol,
1417 struct snd_ctl_elem_info *uinfo)
1418{
c69a4f30 1419 static const char * const names[4] = {
dd7b254d
GP		 1420 "S/PDIF Coaxial", "S/PDIF Optical", "ADAT Optical",
1421 "S/PDIF Cdrom"
1422 };
1423 struct echoaudio *chip;
1424
1425 chip = snd_kcontrol_chip(kcontrol);
c69a4f30 1426 return snd_ctl_enum_info(uinfo, 1, chip->num_digital_modes, names);
dd7b254d
GP		 1427}
1428
1429static int snd_echo_digital_mode_get(struct snd_kcontrol *kcontrol,
1430 struct snd_ctl_elem_value *ucontrol)
1431{
1432 struct echoaudio *chip;
1433 int i, mode;
1434
1435 chip = snd_kcontrol_chip(kcontrol);
1436 mode = chip->digital_mode;
1437 for (i = chip->num_digital_modes - 1; i >= 0; i--)
1438 if (mode == chip->digital_mode_list[i]) {
1439 ucontrol->value.enumerated.item[0] = i;
1440 break;
1441 }
1442 return 0;
1443}
1444
1445static int snd_echo_digital_mode_put(struct snd_kcontrol *kcontrol,
1446 struct snd_ctl_elem_value *ucontrol)
1447{
1448 struct echoaudio *chip;
1449 int changed;
1450 unsigned short emode, dmode;
1451
1452 changed = 0;
1453 chip = snd_kcontrol_chip(kcontrol);
1454
1455 emode = ucontrol->value.enumerated.item[0];
1456 if (emode >= chip->num_digital_modes)
1457 return -EINVAL;
1458 dmode = chip->digital_mode_list[emode];
1459
1460 if (dmode != chip->digital_mode) {
1461 /* mode_mutex is required to make this operation atomic wrt
1462 pcm_digital_*_open() and set_input_clock() functions. */
befceea9 1463 mutex_lock(&chip->mode_mutex);
dd7b254d
GP		 1464
1465 /* Do not allow the user to change the digital mode when a pcm
1466 device is open because it also changes the number of channels
1467 and the allowed sample rates */
1468 if (atomic_read(&chip->opencount)) {
1469 changed = -EAGAIN;
1470 } else {
1471 changed = set_digital_mode(chip, dmode);
1472 /* If we had to change the clock source, report it */
1473 if (changed > 0 && chip->clock_src_ctl) {
1474 snd_ctl_notify(chip->card,
1475 SNDRV_CTL_EVENT_MASK_VALUE,
1476 &chip->clock_src_ctl->id);
1477 DE_ACT(("SDM() =%d\n", changed));
1478 }
1479 if (changed >= 0)
1480 changed = 1; /* No errors */
1481 }
befceea9 1482 mutex_unlock(&chip->mode_mutex);
dd7b254d
GP		 1483 }
1484 return changed;
1485}
1486
e23e7a14 1487static struct snd_kcontrol_new snd_echo_digital_mode_switch = {
dd7b254d
GP		 1488 .name = "Digital mode Switch",
1489 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1490 .info = snd_echo_digital_mode_info,
1491 .get = snd_echo_digital_mode_get,
1492 .put = snd_echo_digital_mode_put,
1493};
1494
1495#endif /* ECHOCARD_HAS_DIGITAL_MODE_SWITCH */
1496
1497
1498
1499#ifdef ECHOCARD_HAS_DIGITAL_IO
1500
1501/******************* S/PDIF mode switch *******************/
1502static int snd_echo_spdif_mode_info(struct snd_kcontrol *kcontrol,
1503 struct snd_ctl_elem_info *uinfo)
1504{
c69a4f30 1505 static const char * const names[2] = {"Consumer", "Professional"};
dd7b254d 1506
c69a4f30 1507 return snd_ctl_enum_info(uinfo, 1, 2, names);
dd7b254d
GP		 1508}
1509
1510static int snd_echo_spdif_mode_get(struct snd_kcontrol *kcontrol,
1511 struct snd_ctl_elem_value *ucontrol)
1512{
1513 struct echoaudio *chip;
1514
1515 chip = snd_kcontrol_chip(kcontrol);
1516 ucontrol->value.enumerated.item[0] = !!chip->professional_spdif;
1517 return 0;
1518}
1519
1520static int snd_echo_spdif_mode_put(struct snd_kcontrol *kcontrol,
1521 struct snd_ctl_elem_value *ucontrol)
1522{
1523 struct echoaudio *chip;
1524 int mode;
1525
1526 chip = snd_kcontrol_chip(kcontrol);
1527 mode = !!ucontrol->value.enumerated.item[0];
1528 if (mode != chip->professional_spdif) {
1529 spin_lock_irq(&chip->lock);
1530 set_professional_spdif(chip, mode);
1531 spin_unlock_irq(&chip->lock);
1532 return 1;
1533 }
1534 return 0;
1535}
1536
e23e7a14 1537static struct snd_kcontrol_new snd_echo_spdif_mode_switch = {
dd7b254d
GP		 1538 .name = "S/PDIF mode Switch",
1539 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1540 .info = snd_echo_spdif_mode_info,
1541 .get = snd_echo_spdif_mode_get,
1542 .put = snd_echo_spdif_mode_put,
1543};
1544
1545#endif /* ECHOCARD_HAS_DIGITAL_IO */
1546
1547
1548
1549#ifdef ECHOCARD_HAS_EXTERNAL_CLOCK
1550
1551/******************* Select input clock source *******************/
1552static int snd_echo_clock_source_info(struct snd_kcontrol *kcontrol,
1553 struct snd_ctl_elem_info *uinfo)
1554{
c69a4f30 1555 static const char * const names[8] = {
dd7b254d
GP		 1556 "Internal", "Word", "Super", "S/PDIF", "ADAT", "ESync",
1557 "ESync96", "MTC"
1558 };
1559 struct echoaudio *chip;
1560
1561 chip = snd_kcontrol_chip(kcontrol);
c69a4f30 1562 return snd_ctl_enum_info(uinfo, 1, chip->num_clock_sources, names);
dd7b254d
GP		 1563}
1564
1565static int snd_echo_clock_source_get(struct snd_kcontrol *kcontrol,
1566 struct snd_ctl_elem_value *ucontrol)
1567{
1568 struct echoaudio *chip;
1569 int i, clock;
1570
1571 chip = snd_kcontrol_chip(kcontrol);
1572 clock = chip->input_clock;
1573
1574 for (i = 0; i < chip->num_clock_sources; i++)
1575 if (clock == chip->clock_source_list[i])
1576 ucontrol->value.enumerated.item[0] = i;
1577
1578 return 0;
1579}
1580
1581static int snd_echo_clock_source_put(struct snd_kcontrol *kcontrol,
1582 struct snd_ctl_elem_value *ucontrol)
1583{
1584 struct echoaudio *chip;
1585 int changed;
1586 unsigned int eclock, dclock;
1587
1588 changed = 0;
1589 chip = snd_kcontrol_chip(kcontrol);
1590 eclock = ucontrol->value.enumerated.item[0];
1591 if (eclock >= chip->input_clock_types)
1592 return -EINVAL;
1593 dclock = chip->clock_source_list[eclock];
1594 if (chip->input_clock != dclock) {
befceea9 1595 mutex_lock(&chip->mode_mutex);
dd7b254d
GP		 1596 spin_lock_irq(&chip->lock);
1597 if ((changed = set_input_clock(chip, dclock)) == 0)
1598 changed = 1; /* no errors */
1599 spin_unlock_irq(&chip->lock);
befceea9 1600 mutex_unlock(&chip->mode_mutex);
dd7b254d
GP		 1601 }
1602
1603 if (changed < 0)
1604 DE_ACT(("seticlk val%d err 0x%x\n", dclock, changed));
1605
1606 return changed;
1607}
1608
e23e7a14 1609static struct snd_kcontrol_new snd_echo_clock_source_switch = {
dd7b254d
GP		 1610 .name = "Sample Clock Source",
1611 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1612 .info = snd_echo_clock_source_info,
1613 .get = snd_echo_clock_source_get,
1614 .put = snd_echo_clock_source_put,
1615};
1616
1617#endif /* ECHOCARD_HAS_EXTERNAL_CLOCK */
1618
1619
1620
1621#ifdef ECHOCARD_HAS_PHANTOM_POWER
1622
1623/******************* Phantom power switch *******************/
a5ce8890 1624#define snd_echo_phantom_power_info snd_ctl_boolean_mono_info
dd7b254d
GP		 1625
1626static int snd_echo_phantom_power_get(struct snd_kcontrol *kcontrol,
1627 struct snd_ctl_elem_value *ucontrol)
1628{
1629 struct echoaudio *chip = snd_kcontrol_chip(kcontrol);
1630
1631 ucontrol->value.integer.value[0] = chip->phantom_power;
1632 return 0;
1633}
1634
1635static int snd_echo_phantom_power_put(struct snd_kcontrol *kcontrol,
1636 struct snd_ctl_elem_value *ucontrol)
1637{
1638 struct echoaudio *chip = snd_kcontrol_chip(kcontrol);
1639 int power, changed = 0;
1640
1641 power = !!ucontrol->value.integer.value[0];
1642 if (chip->phantom_power != power) {
1643 spin_lock_irq(&chip->lock);
1644 changed = set_phantom_power(chip, power);
1645 spin_unlock_irq(&chip->lock);
1646 if (changed == 0)
1647 changed = 1; /* no errors */
1648 }
1649 return changed;
1650}
1651
e23e7a14 1652static struct snd_kcontrol_new snd_echo_phantom_power_switch = {
dd7b254d
GP		 1653 .name = "Phantom power Switch",
1654 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1655 .info = snd_echo_phantom_power_info,
1656 .get = snd_echo_phantom_power_get,
1657 .put = snd_echo_phantom_power_put,
1658};
1659
1660#endif /* ECHOCARD_HAS_PHANTOM_POWER */
1661
1662
1663
1664#ifdef ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE
1665
1666/******************* Digital input automute switch *******************/
a5ce8890 1667#define snd_echo_automute_info snd_ctl_boolean_mono_info
dd7b254d
GP		 1668
1669static int snd_echo_automute_get(struct snd_kcontrol *kcontrol,
1670 struct snd_ctl_elem_value *ucontrol)
1671{
1672 struct echoaudio *chip = snd_kcontrol_chip(kcontrol);
1673
1674 ucontrol->value.integer.value[0] = chip->digital_in_automute;
1675 return 0;
1676}
1677
1678static int snd_echo_automute_put(struct snd_kcontrol *kcontrol,
1679 struct snd_ctl_elem_value *ucontrol)
1680{
1681 struct echoaudio *chip = snd_kcontrol_chip(kcontrol);
1682 int automute, changed = 0;
1683
1684 automute = !!ucontrol->value.integer.value[0];
1685 if (chip->digital_in_automute != automute) {
1686 spin_lock_irq(&chip->lock);
1687 changed = set_input_auto_mute(chip, automute);
1688 spin_unlock_irq(&chip->lock);
1689 if (changed == 0)
1690 changed = 1; /* no errors */
1691 }
1692 return changed;
1693}
1694
e23e7a14 1695static struct snd_kcontrol_new snd_echo_automute_switch = {
dd7b254d
GP		 1696 .name = "Digital Capture Switch (automute)",
1697 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1698 .info = snd_echo_automute_info,
1699 .get = snd_echo_automute_get,
1700 .put = snd_echo_automute_put,
1701};
1702
1703#endif /* ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE */
1704
1705
1706
1707/******************* VU-meters switch *******************/
a5ce8890 1708#define snd_echo_vumeters_switch_info snd_ctl_boolean_mono_info
dd7b254d
GP		 1709
1710static int snd_echo_vumeters_switch_put(struct snd_kcontrol *kcontrol,
1711 struct snd_ctl_elem_value *ucontrol)
1712{
1713 struct echoaudio *chip;
1714
1715 chip = snd_kcontrol_chip(kcontrol);
1716 spin_lock_irq(&chip->lock);
1717 set_meters_on(chip, ucontrol->value.integer.value[0]);
1718 spin_unlock_irq(&chip->lock);
1719 return 1;
1720}
1721
e23e7a14 1722static struct snd_kcontrol_new snd_echo_vumeters_switch = {
dd7b254d
GP		 1723 .name = "VU-meters Switch",
1724 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1725 .access = SNDRV_CTL_ELEM_ACCESS_WRITE,
1726 .info = snd_echo_vumeters_switch_info,
1727 .put = snd_echo_vumeters_switch_put,
1728};
1729
1730
1731
1732/***** Read VU-meters (input, output, analog and digital together) *****/
1733static int snd_echo_vumeters_info(struct snd_kcontrol *kcontrol,
1734 struct snd_ctl_elem_info *uinfo)
1735{
dd7b254d
GP		 1736 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1737 uinfo->count = 96;
1738 uinfo->value.integer.min = ECHOGAIN_MINOUT;
1739 uinfo->value.integer.max = 0;
1740#ifdef ECHOCARD_HAS_VMIXER
1741 uinfo->dimen.d[0] = 3; /* Out, In, Virt */
1742#else
1743 uinfo->dimen.d[0] = 2; /* Out, In */
1744#endif
1745 uinfo->dimen.d[1] = 16; /* 16 channels */
1746 uinfo->dimen.d[2] = 2; /* 0=level, 1=peak */
1747 return 0;
1748}
1749
1750static int snd_echo_vumeters_get(struct snd_kcontrol *kcontrol,
1751 struct snd_ctl_elem_value *ucontrol)
1752{
1753 struct echoaudio *chip;
1754
1755 chip = snd_kcontrol_chip(kcontrol);
1756 get_audio_meters(chip, ucontrol->value.integer.value);
1757 return 0;
1758}
1759
e23e7a14 1760static struct snd_kcontrol_new snd_echo_vumeters = {
dd7b254d
GP		 1761 .name = "VU-meters",
1762 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
048b9450
GP		 1763 .access = SNDRV_CTL_ELEM_ACCESS_READ |
1764 SNDRV_CTL_ELEM_ACCESS_VOLATILE |
1765 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
dd7b254d
GP		 1766 .info = snd_echo_vumeters_info,
1767 .get = snd_echo_vumeters_get,
048b9450 1768 .tlv = {.p = db_scale_output_gain},
dd7b254d
GP		 1769};
1770
1771
1772
1773/*** Channels info - it exports informations about the number of channels ***/
1774static int snd_echo_channels_info_info(struct snd_kcontrol *kcontrol,
1775 struct snd_ctl_elem_info *uinfo)
1776{
dd7b254d
GP		 1777 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1778 uinfo->count = 6;
1779 uinfo->value.integer.min = 0;
1780 uinfo->value.integer.max = 1 << ECHO_CLOCK_NUMBER;
1781 return 0;
1782}
1783
1784static int snd_echo_channels_info_get(struct snd_kcontrol *kcontrol,
1785 struct snd_ctl_elem_value *ucontrol)
1786{
1787 struct echoaudio *chip;
1788 int detected, clocks, bit, src;
1789
1790 chip = snd_kcontrol_chip(kcontrol);
1791 ucontrol->value.integer.value[0] = num_busses_in(chip);
1792 ucontrol->value.integer.value[1] = num_analog_busses_in(chip);
1793 ucontrol->value.integer.value[2] = num_busses_out(chip);
1794 ucontrol->value.integer.value[3] = num_analog_busses_out(chip);
1795 ucontrol->value.integer.value[4] = num_pipes_out(chip);
1796
1797 /* Compute the bitmask of the currently valid input clocks */
1798 detected = detect_input_clocks(chip);
1799 clocks = 0;
1800 src = chip->num_clock_sources - 1;
1801 for (bit = ECHO_CLOCK_NUMBER - 1; bit >= 0; bit--)
1802 if (detected & (1 << bit))
1803 for (; src >= 0; src--)
1804 if (bit == chip->clock_source_list[src]) {
1805 clocks |= 1 << src;
1806 break;
1807 }
1808 ucontrol->value.integer.value[5] = clocks;
1809
1810 return 0;
1811}
1812
e23e7a14 1813static struct snd_kcontrol_new snd_echo_channels_info = {
dd7b254d
GP		 1814 .name = "Channels info",
1815 .iface = SNDRV_CTL_ELEM_IFACE_HWDEP,
1816 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1817 .info = snd_echo_channels_info_info,
1818 .get = snd_echo_channels_info_get,
1819};
1820
1821
1822
1823
1824/******************************************************************************
1825 IRQ Handler
1826******************************************************************************/
1827
7d12e780 1828static irqreturn_t snd_echo_interrupt(int irq, void *dev_id)
dd7b254d
GP		 1829{
1830 struct echoaudio *chip = dev_id;
1831 struct snd_pcm_substream *substream;
1832 int period, ss, st;
1833
1834 spin_lock(&chip->lock);
1835 st = service_irq(chip);
1836 if (st < 0) {
1837 spin_unlock(&chip->lock);
1838 return IRQ_NONE;
1839 }
1840 /* The hardware doesn't tell us which substream caused the irq,
1841 thus we have to check all running substreams. */
1842 for (ss = 0; ss < DSP_MAXPIPES; ss++) {
b721e68b
GP		 1843 substream = chip->substream[ss];
1844 if (substream && ((struct audiopipe *)substream->runtime->
1845 private_data)->state == PIPE_STATE_STARTED) {
dd7b254d
GP		 1846 period = pcm_pointer(substream) /
1847 substream->runtime->period_size;
1848 if (period != chip->last_period[ss]) {
1849 chip->last_period[ss] = period;
1850 spin_unlock(&chip->lock);
1851 snd_pcm_period_elapsed(substream);
1852 spin_lock(&chip->lock);
1853 }
1854 }
1855 }
1856 spin_unlock(&chip->lock);
1857
1858#ifdef ECHOCARD_HAS_MIDI
1859 if (st > 0 && chip->midi_in) {
1860 snd_rawmidi_receive(chip->midi_in, chip->midi_buffer, st);
1861 DE_MID(("rawmidi_iread=%d\n", st));
1862 }
1863#endif
1864 return IRQ_HANDLED;
1865}
1866
1867
1868
1869
1870/******************************************************************************
1871 Module construction / destruction
1872******************************************************************************/
1873
1874static int snd_echo_free(struct echoaudio *chip)
1875{
1876 DE_INIT(("Stop DSP...\n"));
ebf029da 1877 if (chip->comm_page)
dd7b254d 1878 rest_in_peace(chip);
dd7b254d
GP		 1879 DE_INIT(("Stopped.\n"));
1880
1881 if (chip->irq >= 0)
437a5a46 1882 free_irq(chip->irq, chip);
dd7b254d 1883
ebf029da
TI		 1884 if (chip->comm_page)
1885 snd_dma_free_pages(&chip->commpage_dma_buf);
1886
dd7b254d
GP		 1887 if (chip->dsp_registers)
1888 iounmap(chip->dsp_registers);
1889
8caf7aa2
TI		 1890 if (chip->iores)
1891 release_and_free_resource(chip->iores);
1892
dd7b254d
GP		 1893 DE_INIT(("MMIO freed.\n"));
1894
1895 pci_disable_device(chip->pci);
1896
1897 /* release chip data */
4f8ada44 1898 free_firmware_cache(chip);
dd7b254d
GP		 1899 kfree(chip);
1900 DE_INIT(("Chip freed.\n"));
1901 return 0;
1902}
1903
1904
1905
1906static int snd_echo_dev_free(struct snd_device *device)
1907{
1908 struct echoaudio *chip = device->device_data;
1909
1910 DE_INIT(("snd_echo_dev_free()...\n"));
1911 return snd_echo_free(chip);
1912}
1913
1914
1915
1916/* <--snd_echo_probe() */
e23e7a14
BP		 1917static int snd_echo_create(struct snd_card *card,
1918 struct pci_dev *pci,
1919 struct echoaudio **rchip)
dd7b254d
GP		 1920{
1921 struct echoaudio *chip;
1922 int err;
1923 size_t sz;
1924 static struct snd_device_ops ops = {
1925 .dev_free = snd_echo_dev_free,
1926 };
1927
1928 *rchip = NULL;
1929
1930 pci_write_config_byte(pci, PCI_LATENCY_TIMER, 0xC0);
1931
1932 if ((err = pci_enable_device(pci)) < 0)
1933 return err;
1934 pci_set_master(pci);
1935
47b5d028
GP		 1936 /* Allocate chip if needed */
1937 if (!*rchip) {
1938 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1939 if (!chip) {
1940 pci_disable_device(pci);
1941 return -ENOMEM;
1942 }
1943 DE_INIT(("chip=%p\n", chip));
1944 spin_lock_init(&chip->lock);
1945 chip->card = card;
1946 chip->pci = pci;
1947 chip->irq = -1;
1948 atomic_set(&chip->opencount, 0);
1949 mutex_init(&chip->mode_mutex);
1950 chip->can_set_rate = 1;
1951 } else {
1952 /* If this was called from the resume function, chip is
1953 * already allocated and it contains current card settings.
1954 */
1955 chip = *rchip;
dd7b254d 1956 }
dd7b254d
GP		 1957
1958 /* PCI resource allocation */
1959 chip->dsp_registers_phys = pci_resource_start(pci, 0);
1960 sz = pci_resource_len(pci, 0);
1961 if (sz > PAGE_SIZE)
1962 sz = PAGE_SIZE; /* We map only the required part */
1963
1964 if ((chip->iores = request_mem_region(chip->dsp_registers_phys, sz,
1965 ECHOCARD_NAME)) == NULL) {
ece7a36d 1966 dev_err(chip->card->dev, "cannot get memory region\n");
4f50b41f 1967 snd_echo_free(chip);
dd7b254d
GP		 1968 return -EBUSY;
1969 }
1970 chip->dsp_registers = (volatile u32 __iomem *)
1971 ioremap_nocache(chip->dsp_registers_phys, sz);
1972
437a5a46 1973 if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
934c2b6d 1974 KBUILD_MODNAME, chip)) {
ece7a36d 1975 dev_err(chip->card->dev, "cannot grab irq\n");
4f50b41f 1976 snd_echo_free(chip);
dd7b254d
GP		 1977 return -EBUSY;
1978 }
1979 chip->irq = pci->irq;
1980 DE_INIT(("pci=%p irq=%d subdev=%04x Init hardware...\n",
1981 chip->pci, chip->irq, chip->pci->subsystem_device));
1982
1983 /* Create the DSP comm page - this is the area of memory used for most
1984 of the communication with the DSP, which accesses it via bus mastering */
1985 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1986 sizeof(struct comm_page),
1987 &chip->commpage_dma_buf) < 0) {
ece7a36d 1988 dev_err(chip->card->dev, "cannot allocate the comm page\n");
4f50b41f 1989 snd_echo_free(chip);
dd7b254d
GP		 1990 return -ENOMEM;
1991 }
1992 chip->comm_page_phys = chip->commpage_dma_buf.addr;
1993 chip->comm_page = (struct comm_page *)chip->commpage_dma_buf.area;
1994
1995 err = init_hw(chip, chip->pci->device, chip->pci->subsystem_device);
47b5d028
GP		 1996 if (err >= 0)
1997 err = set_mixer_defaults(chip);
1998 if (err < 0) {
dd7b254d
GP		 1999 DE_INIT(("init_hw err=%d\n", err));
2000 snd_echo_free(chip);
2001 return err;
2002 }
2003 DE_INIT(("Card init OK\n"));
2004
2005 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2006 snd_echo_free(chip);
2007 return err;
2008 }
dd7b254d
GP		 2009 *rchip = chip;
2010 /* Init done ! */
2011 return 0;
2012}
2013
2014
2015
2016/* constructor */
e23e7a14
BP		 2017static int snd_echo_probe(struct pci_dev *pci,
2018 const struct pci_device_id *pci_id)
dd7b254d
GP		 2019{
2020 static int dev;
2021 struct snd_card *card;
2022 struct echoaudio *chip;
2023 char *dsp;
2024 int i, err;
2025
2026 if (dev >= SNDRV_CARDS)
2027 return -ENODEV;
2028 if (!enable[dev]) {
2029 dev++;
2030 return -ENOENT;
2031 }
2032
2033 DE_INIT(("Echoaudio driver starting...\n"));
2034 i = 0;
60c5772b
TI		 2035 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2036 0, &card);
e58de7ba
TI		 2037 if (err < 0)
2038 return err;
dd7b254d 2039
47b5d028 2040 chip = NULL; /* Tells snd_echo_create to allocate chip */
dd7b254d
GP		 2041 if ((err = snd_echo_create(card, pci, &chip)) < 0) {
2042 snd_card_free(card);
2043 return err;
2044 }
2045
2046 strcpy(card->driver, "Echo_" ECHOCARD_NAME);
2047 strcpy(card->shortname, chip->card_name);
2048
2049 dsp = "56301";
2050 if (pci_id->device == 0x3410)
2051 dsp = "56361";
2052
2053 sprintf(card->longname, "%s rev.%d (DSP%s) at 0x%lx irq %i",
2054 card->shortname, pci_id->subdevice & 0x000f, dsp,
2055 chip->dsp_registers_phys, chip->irq);
2056
2057 if ((err = snd_echo_new_pcm(chip)) < 0) {
ece7a36d 2058 dev_err(chip->card->dev, "new pcm error %d\n", err);
dd7b254d
GP		 2059 snd_card_free(card);
2060 return err;
2061 }
2062
2063#ifdef ECHOCARD_HAS_MIDI
2064 if (chip->has_midi) { /* Some Mia's do not have midi */
2065 if ((err = snd_echo_midi_create(card, chip)) < 0) {
ece7a36d 2066 dev_err(chip->card->dev, "new midi error %d\n", err);
dd7b254d
GP		 2067 snd_card_free(card);
2068 return err;
2069 }
2070 }
2071#endif
2072
2073#ifdef ECHOCARD_HAS_VMIXER
2074 snd_echo_vmixer.count = num_pipes_out(chip) * num_busses_out(chip);
dd7b254d
GP		 2075 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vmixer, chip))) < 0)
2076 goto ctl_error;
392bf2f1
GP		 2077#ifdef ECHOCARD_HAS_LINE_OUT_GAIN
2078 err = snd_ctl_add(chip->card,
2079 snd_ctl_new1(&snd_echo_line_output_gain, chip));
2080 if (err < 0)
dd7b254d
GP		 2081 goto ctl_error;
2082#endif
392bf2f1
GP		 2083#else /* ECHOCARD_HAS_VMIXER */
2084 err = snd_ctl_add(chip->card,
2085 snd_ctl_new1(&snd_echo_pcm_output_gain, chip));
2086 if (err < 0)
2087 goto ctl_error;
2088#endif /* ECHOCARD_HAS_VMIXER */
dd7b254d
GP		 2089
2090#ifdef ECHOCARD_HAS_INPUT_GAIN
2091 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_line_input_gain, chip))) < 0)
2092 goto ctl_error;
2093#endif
2094
2095#ifdef ECHOCARD_HAS_INPUT_NOMINAL_LEVEL
2096 if (!chip->hasnt_input_nominal_level)
2097 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_intput_nominal_level, chip))) < 0)
2098 goto ctl_error;
2099#endif
2100
2101#ifdef ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL
2102 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_output_nominal_level, chip))) < 0)
2103 goto ctl_error;
2104#endif
2105
2106 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vumeters_switch, chip))) < 0)
2107 goto ctl_error;
2108
2109 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vumeters, chip))) < 0)
2110 goto ctl_error;
2111
2112#ifdef ECHOCARD_HAS_MONITOR
2113 snd_echo_monitor_mixer.count = num_busses_in(chip) * num_busses_out(chip);
2114 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_monitor_mixer, chip))) < 0)
2115 goto ctl_error;
2116#endif
2117
2118#ifdef ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE
2119 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_automute_switch, chip))) < 0)
2120 goto ctl_error;
2121#endif
2122
2123 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_channels_info, chip))) < 0)
2124 goto ctl_error;
2125
2126#ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH
2127 /* Creates a list of available digital modes */
2128 chip->num_digital_modes = 0;
2129 for (i = 0; i < 6; i++)
2130 if (chip->digital_modes & (1 << i))
2131 chip->digital_mode_list[chip->num_digital_modes++] = i;
2132
2133 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_digital_mode_switch, chip))) < 0)
2134 goto ctl_error;
2135#endif /* ECHOCARD_HAS_DIGITAL_MODE_SWITCH */
2136
2137#ifdef ECHOCARD_HAS_EXTERNAL_CLOCK
2138 /* Creates a list of available clock sources */
2139 chip->num_clock_sources = 0;
2140 for (i = 0; i < 10; i++)
2141 if (chip->input_clock_types & (1 << i))
2142 chip->clock_source_list[chip->num_clock_sources++] = i;
2143
2144 if (chip->num_clock_sources > 1) {
2145 chip->clock_src_ctl = snd_ctl_new1(&snd_echo_clock_source_switch, chip);
2146 if ((err = snd_ctl_add(chip->card, chip->clock_src_ctl)) < 0)
2147 goto ctl_error;
2148 }
2149#endif /* ECHOCARD_HAS_EXTERNAL_CLOCK */
2150
2151#ifdef ECHOCARD_HAS_DIGITAL_IO
2152 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_spdif_mode_switch, chip))) < 0)
2153 goto ctl_error;
2154#endif
2155
2156#ifdef ECHOCARD_HAS_PHANTOM_POWER
2157 if (chip->has_phantom_power)
2158 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_phantom_power_switch, chip))) < 0)
2159 goto ctl_error;
2160#endif
2161
a0fd4345
JL		 2162 err = snd_card_register(card);
2163 if (err < 0)
dd7b254d 2164 goto ctl_error;
ece7a36d 2165 dev_info(card->dev, "Card registered: %s\n", card->longname);
dd7b254d
GP		 2166
2167 pci_set_drvdata(pci, chip);
2168 dev++;
2169 return 0;
2170
2171ctl_error:
ece7a36d 2172 dev_err(card->dev, "new control error %d\n", err);
dd7b254d
GP		 2173 snd_card_free(card);
2174 return err;
2175}
2176
2177
2178
c7561cd8 2179#if defined(CONFIG_PM_SLEEP)
47b5d028 2180
68cb2b55 2181static int snd_echo_suspend(struct device *dev)
47b5d028 2182{
68cb2b55
TI		 2183 struct pci_dev *pci = to_pci_dev(dev);
2184 struct echoaudio *chip = dev_get_drvdata(dev);
47b5d028
GP		 2185
2186 DE_INIT(("suspend start\n"));
2187 snd_pcm_suspend_all(chip->analog_pcm);
2188 snd_pcm_suspend_all(chip->digital_pcm);
2189
2190#ifdef ECHOCARD_HAS_MIDI
2191 /* This call can sleep */
2192 if (chip->midi_out)
2193 snd_echo_midi_output_trigger(chip->midi_out, 0);
2194#endif
2195 spin_lock_irq(&chip->lock);
2196 if (wait_handshake(chip)) {
2197 spin_unlock_irq(&chip->lock);
2198 return -EIO;
2199 }
2200 clear_handshake(chip);
2201 if (send_vector(chip, DSP_VC_GO_COMATOSE) < 0) {
2202 spin_unlock_irq(&chip->lock);
2203 return -EIO;
2204 }
2205 spin_unlock_irq(&chip->lock);
2206
2207 chip->dsp_code = NULL;
2208 free_irq(chip->irq, chip);
2209 chip->irq = -1;
2210 pci_save_state(pci);
2211 pci_disable_device(pci);
2212
2213 DE_INIT(("suspend done\n"));
2214 return 0;
2215}
2216
2217
2218
68cb2b55 2219static int snd_echo_resume(struct device *dev)
47b5d028 2220{
68cb2b55
TI		 2221 struct pci_dev *pci = to_pci_dev(dev);
2222 struct echoaudio *chip = dev_get_drvdata(dev);
47b5d028
GP		 2223 struct comm_page *commpage, *commpage_bak;
2224 u32 pipe_alloc_mask;
2225 int err;
2226
2227 DE_INIT(("resume start\n"));
2228 pci_restore_state(pci);
2229 commpage_bak = kmalloc(sizeof(struct echoaudio), GFP_KERNEL);
0b6d092c
KV		 2230 if (commpage_bak == NULL)
2231 return -ENOMEM;
47b5d028
GP		 2232 commpage = chip->comm_page;
2233 memcpy(commpage_bak, commpage, sizeof(struct comm_page));
2234
2235 err = init_hw(chip, chip->pci->device, chip->pci->subsystem_device);
2236 if (err < 0) {
2237 kfree(commpage_bak);
2238 DE_INIT(("resume init_hw err=%d\n", err));
2239 snd_echo_free(chip);
2240 return err;
2241 }
2242 DE_INIT(("resume init OK\n"));
2243
2244 /* Temporarily set chip->pipe_alloc_mask=0 otherwise
2245 * restore_dsp_settings() fails.
2246 */
2247 pipe_alloc_mask = chip->pipe_alloc_mask;
2248 chip->pipe_alloc_mask = 0;
2249 err = restore_dsp_rettings(chip);
2250 chip->pipe_alloc_mask = pipe_alloc_mask;
2251 if (err < 0) {
2252 kfree(commpage_bak);
2253 return err;
2254 }
2255 DE_INIT(("resume restore OK\n"));
2256
2257 memcpy(&commpage->audio_format, &commpage_bak->audio_format,
2258 sizeof(commpage->audio_format));
2259 memcpy(&commpage->sglist_addr, &commpage_bak->sglist_addr,
2260 sizeof(commpage->sglist_addr));
2261 memcpy(&commpage->midi_output, &commpage_bak->midi_output,
2262 sizeof(commpage->midi_output));
2263 kfree(commpage_bak);
2264
2265 if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
934c2b6d 2266 KBUILD_MODNAME, chip)) {
ece7a36d 2267 dev_err(chip->card->dev, "cannot grab irq\n");
4f50b41f 2268 snd_echo_free(chip);
47b5d028
GP		 2269 return -EBUSY;
2270 }
2271 chip->irq = pci->irq;
2272 DE_INIT(("resume irq=%d\n", chip->irq));
2273
2274#ifdef ECHOCARD_HAS_MIDI
2275 if (chip->midi_input_enabled)
2276 enable_midi_input(chip, TRUE);
2277 if (chip->midi_out)
2278 snd_echo_midi_output_trigger(chip->midi_out, 1);
2279#endif
2280
2281 DE_INIT(("resume done\n"));
2282 return 0;
2283}
2284
68cb2b55
TI		 2285static SIMPLE_DEV_PM_OPS(snd_echo_pm, snd_echo_suspend, snd_echo_resume);
2286#define SND_ECHO_PM_OPS &snd_echo_pm
2287#else
2288#define SND_ECHO_PM_OPS NULL
c7561cd8 2289#endif /* CONFIG_PM_SLEEP */
47b5d028
GP		 2290
2291
e23e7a14 2292static void snd_echo_remove(struct pci_dev *pci)
dd7b254d
GP		 2293{
2294 struct echoaudio *chip;
2295
2296 chip = pci_get_drvdata(pci);
2297 if (chip)
2298 snd_card_free(chip->card);
dd7b254d
GP		 2299}
2300
2301
2302
2303/******************************************************************************
2304 Everything starts and ends here
2305******************************************************************************/
2306
2307/* pci_driver definition */
e9f66d9b 2308static struct pci_driver echo_driver = {
3733e424 2309 .name = KBUILD_MODNAME,
dd7b254d
GP		 2310 .id_table = snd_echo_ids,
2311 .probe = snd_echo_probe,
e23e7a14 2312 .remove = snd_echo_remove,
68cb2b55
TI		 2313 .driver = {
2314 .pm = SND_ECHO_PM_OPS,
2315 },
dd7b254d
GP		 2316};
2317
e9f66d9b 2318module_pci_driver(echo_driver);
Linux kernel - Deliverables
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