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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / sound / pci / echoaudio / echoaudio.c
blobd7306980d0f1181053342d450a7e7521ae5a509c
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
19 MODULE_AUTHOR("Giuliano Pochini <pochini@shiny.it>");
20 MODULE_LICENSE("GPL v2");
21 MODULE_DESCRIPTION("Echoaudio " ECHOCARD_NAME " soundcards driver");
22 MODULE_SUPPORTED_DEVICE("{{Echoaudio," ECHOCARD_NAME "}}");
23 MODULE_DEVICE_TABLE(pci, snd_echo_ids);
24
25 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
26 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
27 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
28
29 module_param_array(index, int, NULL, 0444);
30 MODULE_PARM_DESC(index, "Index value for " ECHOCARD_NAME " soundcard.");
31 module_param_array(id, charp, NULL, 0444);
32 MODULE_PARM_DESC(id, "ID string for " ECHOCARD_NAME " soundcard.");
33 module_param_array(enable, bool, NULL, 0444);
34 MODULE_PARM_DESC(enable, "Enable " ECHOCARD_NAME " soundcard.");
35
36 static unsigned int channels_list[10] = {1, 2, 4, 6, 8, 10, 12, 14, 16, 999999};
37 static const DECLARE_TLV_DB_SCALE(db_scale_output_gain, -12800, 100, 1);
38
39
40
41 static int get_firmware(const struct firmware **fw_entry,
42 struct echoaudio *chip, const short fw_index)
43 {
44 int err;
45 char name[30];
46
47 #ifdef CONFIG_PM
48 if (chip->fw_cache[fw_index]) {
49 DE_ACT(("firmware requested: %s is cached\n", card_fw[fw_index].data));
50 *fw_entry = chip->fw_cache[fw_index];
51 return 0;
52 }
53 #endif
54
55 DE_ACT(("firmware requested: %s\n", card_fw[fw_index].data));
56 snprintf(name, sizeof(name), "ea/%s", card_fw[fw_index].data);
57 err = request_firmware(fw_entry, name, pci_device(chip));
58 if (err < 0)
59 snd_printk(KERN_ERR "get_firmware(): Firmware not available (%d)\n", err);
60 #ifdef CONFIG_PM
61 else
62 chip->fw_cache[fw_index] = *fw_entry;
63 #endif
64 return err;
65 }
66
67
68
69 static void free_firmware(const struct firmware *fw_entry)
70 {
71 #ifdef CONFIG_PM
72 DE_ACT(("firmware not released (kept in cache)\n"));
73 #else
74 release_firmware(fw_entry);
75 DE_ACT(("firmware released\n"));
76 #endif
77 }
78
79
80
81 static void free_firmware_cache(struct echoaudio *chip)
82 {
83 #ifdef CONFIG_PM
84 int i;
85
86 for (i = 0; i < 8 ; i++)
87 if (chip->fw_cache[i]) {
88 release_firmware(chip->fw_cache[i]);
89 DE_ACT(("release_firmware(%d)\n", i));
90 }
91
92 DE_ACT(("firmware_cache released\n"));
93 #endif
94 }
95
96
97
98 /******************************************************************************
99 PCM interface
100 ******************************************************************************/
101
102 static void audiopipe_free(struct snd_pcm_runtime *runtime)
103 {
104 struct audiopipe *pipe = runtime->private_data;
105
106 if (pipe->sgpage.area)
107 snd_dma_free_pages(&pipe->sgpage);
108 kfree(pipe);
109 }
110
111
112
113 static int hw_rule_capture_format_by_channels(struct snd_pcm_hw_params *params,
114 struct snd_pcm_hw_rule *rule)
115 {
116 struct snd_interval *c = hw_param_interval(params,
117 SNDRV_PCM_HW_PARAM_CHANNELS);
118 struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
119 struct snd_mask fmt;
120
121 snd_mask_any(&fmt);
122
123 #ifndef ECHOCARD_HAS_STEREO_BIG_ENDIAN32
124 /* >=2 channels cannot be S32_BE */
125 if (c->min == 2) {
126 fmt.bits[0] &= ~SNDRV_PCM_FMTBIT_S32_BE;
127 return snd_mask_refine(f, &fmt);
128 }
129 #endif
130 /* > 2 channels cannot be U8 and S32_BE */
131 if (c->min > 2) {
132 fmt.bits[0] &= ~(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_BE);
133 return snd_mask_refine(f, &fmt);
134 }
135 /* Mono is ok with any format */
136 return 0;
137 }
138
139
140
141 static int hw_rule_capture_channels_by_format(struct snd_pcm_hw_params *params,
142 struct snd_pcm_hw_rule *rule)
143 {
144 struct snd_interval *c = hw_param_interval(params,
145 SNDRV_PCM_HW_PARAM_CHANNELS);
146 struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
147 struct snd_interval ch;
148
149 snd_interval_any(&ch);
150
151 /* S32_BE is mono (and stereo) only */
152 if (f->bits[0] == SNDRV_PCM_FMTBIT_S32_BE) {
153 ch.min = 1;
154 #ifdef ECHOCARD_HAS_STEREO_BIG_ENDIAN32
155 ch.max = 2;
156 #else
157 ch.max = 1;
158 #endif
159 ch.integer = 1;
160 return snd_interval_refine(c, &ch);
161 }
162 /* U8 can be only mono or stereo */
163 if (f->bits[0] == SNDRV_PCM_FMTBIT_U8) {
164 ch.min = 1;
165 ch.max = 2;
166 ch.integer = 1;
167 return snd_interval_refine(c, &ch);
168 }
169 /* S16_LE, S24_3LE and S32_LE support any number of channels. */
170 return 0;
171 }
172
173
174
175 static int hw_rule_playback_format_by_channels(struct snd_pcm_hw_params *params,
176 struct snd_pcm_hw_rule *rule)
177 {
178 struct snd_interval *c = hw_param_interval(params,
179 SNDRV_PCM_HW_PARAM_CHANNELS);
180 struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
181 struct snd_mask fmt;
182 u64 fmask;
183 snd_mask_any(&fmt);
184
185 fmask = fmt.bits[0] + ((u64)fmt.bits[1] << 32);
186
187 /* >2 channels must be S16_LE, S24_3LE or S32_LE */
188 if (c->min > 2) {
189 fmask &= SNDRV_PCM_FMTBIT_S16_LE |
190 SNDRV_PCM_FMTBIT_S24_3LE |
191 SNDRV_PCM_FMTBIT_S32_LE;
192 /* 1 channel must be S32_BE or S32_LE */
193 } else if (c->max == 1)
194 fmask &= SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE;
195 #ifndef ECHOCARD_HAS_STEREO_BIG_ENDIAN32
196 /* 2 channels cannot be S32_BE */
197 else if (c->min == 2 && c->max == 2)
198 fmask &= ~SNDRV_PCM_FMTBIT_S32_BE;
199 #endif
200 else
201 return 0;
202
203 fmt.bits[0] &= (u32)fmask;
204 fmt.bits[1] &= (u32)(fmask >> 32);
205 return snd_mask_refine(f, &fmt);
206 }
207
208
209
210 static int hw_rule_playback_channels_by_format(struct snd_pcm_hw_params *params,
211 struct snd_pcm_hw_rule *rule)
212 {
213 struct snd_interval *c = hw_param_interval(params,
214 SNDRV_PCM_HW_PARAM_CHANNELS);
215 struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
216 struct snd_interval ch;
217 u64 fmask;
218
219 snd_interval_any(&ch);
220 ch.integer = 1;
221 fmask = f->bits[0] + ((u64)f->bits[1] << 32);
222
223 /* S32_BE is mono (and stereo) only */
224 if (fmask == SNDRV_PCM_FMTBIT_S32_BE) {
225 ch.min = 1;
226 #ifdef ECHOCARD_HAS_STEREO_BIG_ENDIAN32
227 ch.max = 2;
228 #else
229 ch.max = 1;
230 #endif
231 /* U8 is stereo only */
232 } else if (fmask == SNDRV_PCM_FMTBIT_U8)
233 ch.min = ch.max = 2;
234 /* S16_LE and S24_3LE must be at least stereo */
235 else if (!(fmask & ~(SNDRV_PCM_FMTBIT_S16_LE |
236 SNDRV_PCM_FMTBIT_S24_3LE)))
237 ch.min = 2;
238 else
239 return 0;
240
241 return snd_interval_refine(c, &ch);
242 }
243
244
245
246 /* Since the sample rate is a global setting, do allow the user to change the
247 sample rate only if there is only one pcm device open. */
248 static int hw_rule_sample_rate(struct snd_pcm_hw_params *params,
249 struct snd_pcm_hw_rule *rule)
250 {
251 struct snd_interval *rate = hw_param_interval(params,
252 SNDRV_PCM_HW_PARAM_RATE);
253 struct echoaudio *chip = rule->private;
254 struct snd_interval fixed;
255
256 if (!chip->can_set_rate) {
257 snd_interval_any(&fixed);
258 fixed.min = fixed.max = chip->sample_rate;
259 return snd_interval_refine(rate, &fixed);
260 }
261 return 0;
262 }
263
264
265 static int pcm_open(struct snd_pcm_substream *substream,
266 signed char max_channels)
267 {
268 struct echoaudio *chip;
269 struct snd_pcm_runtime *runtime;
270 struct audiopipe *pipe;
271 int err, i;
272
273 if (max_channels <= 0)
274 return -EAGAIN;
275
276 chip = snd_pcm_substream_chip(substream);
277 runtime = substream->runtime;
278
279 pipe = kzalloc(sizeof(struct audiopipe), GFP_KERNEL);
280 if (!pipe)
281 return -ENOMEM;
282 pipe->index = -1; /* Not configured yet */
283
284 /* Set up hw capabilities and contraints */
285 memcpy(&pipe->hw, &pcm_hardware_skel, sizeof(struct snd_pcm_hardware));
286 DE_HWP(("max_channels=%d\n", max_channels));
287 pipe->constr.list = channels_list;
288 pipe->constr.mask = 0;
289 for (i = 0; channels_list[i] <= max_channels; i++);
290 pipe->constr.count = i;
291 if (pipe->hw.channels_max > max_channels)
292 pipe->hw.channels_max = max_channels;
293 if (chip->digital_mode == DIGITAL_MODE_ADAT) {
294 pipe->hw.rate_max = 48000;
295 pipe->hw.rates &= SNDRV_PCM_RATE_8000_48000;
296 }
297
298 runtime->hw = pipe->hw;
299 runtime->private_data = pipe;
300 runtime->private_free = audiopipe_free;
301 snd_pcm_set_sync(substream);
302
303 /* Only mono and any even number of channels are allowed */
304 if ((err = snd_pcm_hw_constraint_list(runtime, 0,
305 SNDRV_PCM_HW_PARAM_CHANNELS,
306 &pipe->constr)) < 0)
307 return err;
308
309 /* All periods should have the same size */
310 if ((err = snd_pcm_hw_constraint_integer(runtime,
311 SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
312 return err;
313
314 /* The hw accesses memory in chunks 32 frames long and they should be
315 32-bytes-aligned. It's not a requirement, but it seems that IRQs are
316 generated with a resolution of 32 frames. Thus we need the following */
317 if ((err = snd_pcm_hw_constraint_step(runtime, 0,
318 SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
319 32)) < 0)
320 return err;
321 if ((err = snd_pcm_hw_constraint_step(runtime, 0,
322 SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
323 32)) < 0)
324 return err;
325
326 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
327 SNDRV_PCM_HW_PARAM_RATE,
328 hw_rule_sample_rate, chip,
329 SNDRV_PCM_HW_PARAM_RATE, -1)) < 0)
330 return err;
331
332 /* Finally allocate a page for the scatter-gather list */
333 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
334 snd_dma_pci_data(chip->pci),
335 PAGE_SIZE, &pipe->sgpage)) < 0) {
336 DE_HWP(("s-g list allocation failed\n"));
337 return err;
338 }
339
340 return 0;
341 }
342
343
344
345 static int pcm_analog_in_open(struct snd_pcm_substream *substream)
346 {
347 struct echoaudio *chip = snd_pcm_substream_chip(substream);
348 int err;
349
350 DE_ACT(("pcm_analog_in_open\n"));
351 if ((err = pcm_open(substream, num_analog_busses_in(chip) -
352 substream->number)) < 0)
353 return err;
354 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
355 SNDRV_PCM_HW_PARAM_CHANNELS,
356 hw_rule_capture_channels_by_format, NULL,
357 SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0)
358 return err;
359 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
360 SNDRV_PCM_HW_PARAM_FORMAT,
361 hw_rule_capture_format_by_channels, NULL,
362 SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0)
363 return err;
364 atomic_inc(&chip->opencount);
365 if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
366 chip->can_set_rate=0;
367 DE_HWP(("pcm_analog_in_open cs=%d oc=%d r=%d\n",
368 chip->can_set_rate, atomic_read(&chip->opencount),
369 chip->sample_rate));
370 return 0;
371 }
372
373
374
375 static int pcm_analog_out_open(struct snd_pcm_substream *substream)
376 {
377 struct echoaudio *chip = snd_pcm_substream_chip(substream);
378 int max_channels, err;
379
380 #ifdef ECHOCARD_HAS_VMIXER
381 max_channels = num_pipes_out(chip);
382 #else
383 max_channels = num_analog_busses_out(chip);
384 #endif
385 DE_ACT(("pcm_analog_out_open\n"));
386 if ((err = pcm_open(substream, max_channels - substream->number)) < 0)
387 return err;
388 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
389 SNDRV_PCM_HW_PARAM_CHANNELS,
390 hw_rule_playback_channels_by_format,
391 NULL,
392 SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0)
393 return err;
394 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
395 SNDRV_PCM_HW_PARAM_FORMAT,
396 hw_rule_playback_format_by_channels,
397 NULL,
398 SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0)
399 return err;
400 atomic_inc(&chip->opencount);
401 if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
402 chip->can_set_rate=0;
403 DE_HWP(("pcm_analog_out_open cs=%d oc=%d r=%d\n",
404 chip->can_set_rate, atomic_read(&chip->opencount),
405 chip->sample_rate));
406 return 0;
407 }
408
409
410
411 #ifdef ECHOCARD_HAS_DIGITAL_IO
412
413 static int pcm_digital_in_open(struct snd_pcm_substream *substream)
414 {
415 struct echoaudio *chip = snd_pcm_substream_chip(substream);
416 int err, max_channels;
417
418 DE_ACT(("pcm_digital_in_open\n"));
419 max_channels = num_digital_busses_in(chip) - substream->number;
420 mutex_lock(&chip->mode_mutex);
421 if (chip->digital_mode == DIGITAL_MODE_ADAT)
422 err = pcm_open(substream, max_channels);
423 else /* If the card has ADAT, subtract the 6 channels
424 * that S/PDIF doesn't have
425 */
426 err = pcm_open(substream, max_channels - ECHOCARD_HAS_ADAT);
427
428 if (err < 0)
429 goto din_exit;
430
431 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
432 SNDRV_PCM_HW_PARAM_CHANNELS,
433 hw_rule_capture_channels_by_format, NULL,
434 SNDRV_PCM_HW_PARAM_FORMAT, -1)) < 0)
435 goto din_exit;
436 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
437 SNDRV_PCM_HW_PARAM_FORMAT,
438 hw_rule_capture_format_by_channels, NULL,
439 SNDRV_PCM_HW_PARAM_CHANNELS, -1)) < 0)
440 goto din_exit;
441
442 atomic_inc(&chip->opencount);
443 if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
444 chip->can_set_rate=0;
445
446 din_exit:
447 mutex_unlock(&chip->mode_mutex);
448 return err;
449 }
450
451
452
453 #ifndef ECHOCARD_HAS_VMIXER /* See the note in snd_echo_new_pcm() */
454
455 static int pcm_digital_out_open(struct snd_pcm_substream *substream)
456 {
457 struct echoaudio *chip = snd_pcm_substream_chip(substream);
458 int err, max_channels;
459
460 DE_ACT(("pcm_digital_out_open\n"));
461 max_channels = num_digital_busses_out(chip) - substream->number;
462 mutex_lock(&chip->mode_mutex);
463 if (chip->digital_mode == DIGITAL_MODE_ADAT)
464 err = pcm_open(substream, max_channels);
465 else /* If the card has ADAT, subtract the 6 channels
466 * that S/PDIF doesn't have
467 */
468 err = pcm_open(substream, max_channels - ECHOCARD_HAS_ADAT);
469
470 if (err < 0)
471 goto dout_exit;
472
473 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
474 SNDRV_PCM_HW_PARAM_CHANNELS,
475 hw_rule_playback_channels_by_format,
476 NULL, SNDRV_PCM_HW_PARAM_FORMAT,
477 -1)) < 0)
478 goto dout_exit;
479 if ((err = snd_pcm_hw_rule_add(substream->runtime, 0,
480 SNDRV_PCM_HW_PARAM_FORMAT,
481 hw_rule_playback_format_by_channels,
482 NULL, SNDRV_PCM_HW_PARAM_CHANNELS,
483 -1)) < 0)
484 goto dout_exit;
485 atomic_inc(&chip->opencount);
486 if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
487 chip->can_set_rate=0;
488 dout_exit:
489 mutex_unlock(&chip->mode_mutex);
490 return err;
491 }
492
493 #endif /* !ECHOCARD_HAS_VMIXER */
494
495 #endif /* ECHOCARD_HAS_DIGITAL_IO */
496
497
498
499 static int pcm_close(struct snd_pcm_substream *substream)
500 {
501 struct echoaudio *chip = snd_pcm_substream_chip(substream);
502 int oc;
503
504 /* Nothing to do here. Audio is already off and pipe will be
505 * freed by its callback
506 */
507 DE_ACT(("pcm_close\n"));
508
509 atomic_dec(&chip->opencount);
510 oc = atomic_read(&chip->opencount);
511 DE_ACT(("pcm_close oc=%d cs=%d rs=%d\n", oc,
512 chip->can_set_rate, chip->rate_set));
513 if (oc < 2)
514 chip->can_set_rate = 1;
515 if (oc == 0)
516 chip->rate_set = 0;
517 DE_ACT(("pcm_close2 oc=%d cs=%d rs=%d\n", oc,
518 chip->can_set_rate,chip->rate_set));
519
520 return 0;
521 }
522
523
524
525 /* Channel allocation and scatter-gather list setup */
526 static int init_engine(struct snd_pcm_substream *substream,
527 struct snd_pcm_hw_params *hw_params,
528 int pipe_index, int interleave)
529 {
530 struct echoaudio *chip;
531 int err, per, rest, page, edge, offs;
532 struct audiopipe *pipe;
533
534 chip = snd_pcm_substream_chip(substream);
535 pipe = (struct audiopipe *) substream->runtime->private_data;
536
537 /* Sets up che hardware. If it's already initialized, reset and
538 * redo with the new parameters
539 */
540 spin_lock_irq(&chip->lock);
541 if (pipe->index >= 0) {
542 DE_HWP(("hwp_ie free(%d)\n", pipe->index));
543 err = free_pipes(chip, pipe);
544 snd_BUG_ON(err);
545 chip->substream[pipe->index] = NULL;
546 }
547
548 err = allocate_pipes(chip, pipe, pipe_index, interleave);
549 if (err < 0) {
550 spin_unlock_irq(&chip->lock);
551 DE_ACT((KERN_NOTICE "allocate_pipes(%d) err=%d\n",
552 pipe_index, err));
553 return err;
554 }
555 spin_unlock_irq(&chip->lock);
556 DE_ACT((KERN_NOTICE "allocate_pipes()=%d\n", pipe_index));
557
558 DE_HWP(("pcm_hw_params (bufsize=%dB periods=%d persize=%dB)\n",
559 params_buffer_bytes(hw_params), params_periods(hw_params),
560 params_period_bytes(hw_params)));
561 err = snd_pcm_lib_malloc_pages(substream,
562 params_buffer_bytes(hw_params));
563 if (err < 0) {
564 snd_printk(KERN_ERR "malloc_pages err=%d\n", err);
565 spin_lock_irq(&chip->lock);
566 free_pipes(chip, pipe);
567 spin_unlock_irq(&chip->lock);
568 pipe->index = -1;
569 return err;
570 }
571
572 sglist_init(chip, pipe);
573 edge = PAGE_SIZE;
574 for (offs = page = per = 0; offs < params_buffer_bytes(hw_params);
575 per++) {
576 rest = params_period_bytes(hw_params);
577 if (offs + rest > params_buffer_bytes(hw_params))
578 rest = params_buffer_bytes(hw_params) - offs;
579 while (rest) {
580 dma_addr_t addr;
581 addr = snd_pcm_sgbuf_get_addr(substream, offs);
582 if (rest <= edge - offs) {
583 sglist_add_mapping(chip, pipe, addr, rest);
584 sglist_add_irq(chip, pipe);
585 offs += rest;
586 rest = 0;
587 } else {
588 sglist_add_mapping(chip, pipe, addr,
589 edge - offs);
590 rest -= edge - offs;
591 offs = edge;
592 }
593 if (offs == edge) {
594 edge += PAGE_SIZE;
595 page++;
596 }
597 }
598 }
599
600 /* Close the ring buffer */
601 sglist_wrap(chip, pipe);
602
603 /* This stuff is used by the irq handler, so it must be
604 * initialized before chip->substream
605 */
606 chip->last_period[pipe_index] = 0;
607 pipe->last_counter = 0;
608 pipe->position = 0;
609 smp_wmb();
610 chip->substream[pipe_index] = substream;
611 chip->rate_set = 1;
612 spin_lock_irq(&chip->lock);
613 set_sample_rate(chip, hw_params->rate_num / hw_params->rate_den);
614 spin_unlock_irq(&chip->lock);
615 DE_HWP(("pcm_hw_params ok\n"));
616 return 0;
617 }
618
619
620
621 static int pcm_analog_in_hw_params(struct snd_pcm_substream *substream,
622 struct snd_pcm_hw_params *hw_params)
623 {
624 struct echoaudio *chip = snd_pcm_substream_chip(substream);
625
626 return init_engine(substream, hw_params, px_analog_in(chip) +
627 substream->number, params_channels(hw_params));
628 }
629
630
631
632 static int pcm_analog_out_hw_params(struct snd_pcm_substream *substream,
633 struct snd_pcm_hw_params *hw_params)
634 {
635 return init_engine(substream, hw_params, substream->number,
636 params_channels(hw_params));
637 }
638
639
640
641 #ifdef ECHOCARD_HAS_DIGITAL_IO
642
643 static int pcm_digital_in_hw_params(struct snd_pcm_substream *substream,
644 struct snd_pcm_hw_params *hw_params)
645 {
646 struct echoaudio *chip = snd_pcm_substream_chip(substream);
647
648 return init_engine(substream, hw_params, px_digital_in(chip) +
649 substream->number, params_channels(hw_params));
650 }
651
652
653
654 #ifndef ECHOCARD_HAS_VMIXER /* See the note in snd_echo_new_pcm() */
655 static int pcm_digital_out_hw_params(struct snd_pcm_substream *substream,
656 struct snd_pcm_hw_params *hw_params)
657 {
658 struct echoaudio *chip = snd_pcm_substream_chip(substream);
659
660 return init_engine(substream, hw_params, px_digital_out(chip) +
661 substream->number, params_channels(hw_params));
662 }
663 #endif /* !ECHOCARD_HAS_VMIXER */
664
665 #endif /* ECHOCARD_HAS_DIGITAL_IO */
666
667
668
669 static int pcm_hw_free(struct snd_pcm_substream *substream)
670 {
671 struct echoaudio *chip;
672 struct audiopipe *pipe;
673
674 chip = snd_pcm_substream_chip(substream);
675 pipe = (struct audiopipe *) substream->runtime->private_data;
676
677 spin_lock_irq(&chip->lock);
678 if (pipe->index >= 0) {
679 DE_HWP(("pcm_hw_free(%d)\n", pipe->index));
680 free_pipes(chip, pipe);
681 chip->substream[pipe->index] = NULL;
682 pipe->index = -1;
683 }
684 spin_unlock_irq(&chip->lock);
685
686 DE_HWP(("pcm_hw_freed\n"));
687 snd_pcm_lib_free_pages(substream);
688 return 0;
689 }
690
691
692
693 static int pcm_prepare(struct snd_pcm_substream *substream)
694 {
695 struct echoaudio *chip = snd_pcm_substream_chip(substream);
696 struct snd_pcm_runtime *runtime = substream->runtime;
697 struct audioformat format;
698 int pipe_index = ((struct audiopipe *)runtime->private_data)->index;
699
700 DE_HWP(("Prepare rate=%d format=%d channels=%d\n",
701 runtime->rate, runtime->format, runtime->channels));
702 format.interleave = runtime->channels;
703 format.data_are_bigendian = 0;
704 format.mono_to_stereo = 0;
705 switch (runtime->format) {
706 case SNDRV_PCM_FORMAT_U8:
707 format.bits_per_sample = 8;
708 break;
709 case SNDRV_PCM_FORMAT_S16_LE:
710 format.bits_per_sample = 16;
711 break;
712 case SNDRV_PCM_FORMAT_S24_3LE:
713 format.bits_per_sample = 24;
714 break;
715 case SNDRV_PCM_FORMAT_S32_BE:
716 format.data_are_bigendian = 1;
717 case SNDRV_PCM_FORMAT_S32_LE:
718 format.bits_per_sample = 32;
719 break;
720 default:
721 DE_HWP(("Prepare error: unsupported format %d\n",
722 runtime->format));
723 return -EINVAL;
724 }
725
726 if (snd_BUG_ON(pipe_index >= px_num(chip)))
727 return -EINVAL;
728 if (snd_BUG_ON(!is_pipe_allocated(chip, pipe_index)))
729 return -EINVAL;
730 set_audio_format(chip, pipe_index, &format);
731 return 0;
732 }
733
734
735
736 static int pcm_trigger(struct snd_pcm_substream *substream, int cmd)
737 {
738 struct echoaudio *chip = snd_pcm_substream_chip(substream);
739 struct snd_pcm_runtime *runtime = substream->runtime;
740 struct audiopipe *pipe = runtime->private_data;
741 int i, err;
742 u32 channelmask = 0;
743 struct snd_pcm_substream *s;
744
745 snd_pcm_group_for_each_entry(s, substream) {
746 for (i = 0; i < DSP_MAXPIPES; i++) {
747 if (s == chip->substream[i]) {
748 channelmask |= 1 << i;
749 snd_pcm_trigger_done(s, substream);
750 }
751 }
752 }
753
754 spin_lock(&chip->lock);
755 switch (cmd) {
756 case SNDRV_PCM_TRIGGER_RESUME:
757 DE_ACT(("pcm_trigger resume\n"));
758 case SNDRV_PCM_TRIGGER_START:
759 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
760 DE_ACT(("pcm_trigger start\n"));
761 for (i = 0; i < DSP_MAXPIPES; i++) {
762 if (channelmask & (1 << i)) {
763 pipe = chip->substream[i]->runtime->private_data;
764 switch (pipe->state) {
765 case PIPE_STATE_STOPPED:
766 chip->last_period[i] = 0;
767 pipe->last_counter = 0;
768 pipe->position = 0;
769 *pipe->dma_counter = 0;
770 case PIPE_STATE_PAUSED:
771 pipe->state = PIPE_STATE_STARTED;
772 break;
773 case PIPE_STATE_STARTED:
774 break;
775 }
776 }
777 }
778 err = start_transport(chip, channelmask,
779 chip->pipe_cyclic_mask);
780 break;
781 case SNDRV_PCM_TRIGGER_SUSPEND:
782 DE_ACT(("pcm_trigger suspend\n"));
783 case SNDRV_PCM_TRIGGER_STOP:
784 DE_ACT(("pcm_trigger stop\n"));
785 for (i = 0; i < DSP_MAXPIPES; i++) {
786 if (channelmask & (1 << i)) {
787 pipe = chip->substream[i]->runtime->private_data;
788 pipe->state = PIPE_STATE_STOPPED;
789 }
790 }
791 err = stop_transport(chip, channelmask);
792 break;
793 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
794 DE_ACT(("pcm_trigger pause\n"));
795 for (i = 0; i < DSP_MAXPIPES; i++) {
796 if (channelmask & (1 << i)) {
797 pipe = chip->substream[i]->runtime->private_data;
798 pipe->state = PIPE_STATE_PAUSED;
799 }
800 }
801 err = pause_transport(chip, channelmask);
802 break;
803 default:
804 err = -EINVAL;
805 }
806 spin_unlock(&chip->lock);
807 return err;
808 }
809
810
811
812 static snd_pcm_uframes_t pcm_pointer(struct snd_pcm_substream *substream)
813 {
814 struct snd_pcm_runtime *runtime = substream->runtime;
815 struct audiopipe *pipe = runtime->private_data;
816 size_t cnt, bufsize, pos;
817
818 cnt = le32_to_cpu(*pipe->dma_counter);
819 pipe->position += cnt - pipe->last_counter;
820 pipe->last_counter = cnt;
821 bufsize = substream->runtime->buffer_size;
822 pos = bytes_to_frames(substream->runtime, pipe->position);
823
824 while (pos >= bufsize) {
825 pipe->position -= frames_to_bytes(substream->runtime, bufsize);
826 pos -= bufsize;
827 }
828 return pos;
829 }
830
831
832
833 /* pcm *_ops structures */
834 static struct snd_pcm_ops analog_playback_ops = {
835 .open = pcm_analog_out_open,
836 .close = pcm_close,
837 .ioctl = snd_pcm_lib_ioctl,
838 .hw_params = pcm_analog_out_hw_params,
839 .hw_free = pcm_hw_free,
840 .prepare = pcm_prepare,
841 .trigger = pcm_trigger,
842 .pointer = pcm_pointer,
843 .page = snd_pcm_sgbuf_ops_page,
844 };
845 static struct snd_pcm_ops analog_capture_ops = {
846 .open = pcm_analog_in_open,
847 .close = pcm_close,
848 .ioctl = snd_pcm_lib_ioctl,
849 .hw_params = pcm_analog_in_hw_params,
850 .hw_free = pcm_hw_free,
851 .prepare = pcm_prepare,
852 .trigger = pcm_trigger,
853 .pointer = pcm_pointer,
854 .page = snd_pcm_sgbuf_ops_page,
855 };
856 #ifdef ECHOCARD_HAS_DIGITAL_IO
857 #ifndef ECHOCARD_HAS_VMIXER
858 static struct snd_pcm_ops digital_playback_ops = {
859 .open = pcm_digital_out_open,
860 .close = pcm_close,
861 .ioctl = snd_pcm_lib_ioctl,
862 .hw_params = pcm_digital_out_hw_params,
863 .hw_free = pcm_hw_free,
864 .prepare = pcm_prepare,
865 .trigger = pcm_trigger,
866 .pointer = pcm_pointer,
867 .page = snd_pcm_sgbuf_ops_page,
868 };
869 #endif /* !ECHOCARD_HAS_VMIXER */
870 static struct snd_pcm_ops digital_capture_ops = {
871 .open = pcm_digital_in_open,
872 .close = pcm_close,
873 .ioctl = snd_pcm_lib_ioctl,
874 .hw_params = pcm_digital_in_hw_params,
875 .hw_free = pcm_hw_free,
876 .prepare = pcm_prepare,
877 .trigger = pcm_trigger,
878 .pointer = pcm_pointer,
879 .page = snd_pcm_sgbuf_ops_page,
880 };
881 #endif /* ECHOCARD_HAS_DIGITAL_IO */
882
883
884
885 /* Preallocate memory only for the first substream because it's the most
886 * used one
887 */
888 static int snd_echo_preallocate_pages(struct snd_pcm *pcm, struct device *dev)
889 {
890 struct snd_pcm_substream *ss;
891 int stream, err;
892
893 for (stream = 0; stream < 2; stream++)
894 for (ss = pcm->streams[stream].substream; ss; ss = ss->next) {
895 err = snd_pcm_lib_preallocate_pages(ss, SNDRV_DMA_TYPE_DEV_SG,
896 dev,
897 ss->number ? 0 : 128<<10,
898 256<<10);
899 if (err < 0)
900 return err;
901 }
902 return 0;
903 }
904
905
906
907 /*<--snd_echo_probe() */
908 static int __devinit snd_echo_new_pcm(struct echoaudio *chip)
909 {
910 struct snd_pcm *pcm;
911 int err;
912
913 #ifdef ECHOCARD_HAS_VMIXER
914 /* This card has a Vmixer, that is there is no direct mapping from PCM
915 streams to physical outputs. The user can mix the streams as he wishes
916 via control interface and it's possible to send any stream to any
917 output, thus it makes no sense to keep analog and digital outputs
918 separated */
919
920 /* PCM#0 Virtual outputs and analog inputs */
921 if ((err = snd_pcm_new(chip->card, "PCM", 0, num_pipes_out(chip),
922 num_analog_busses_in(chip), &pcm)) < 0)
923 return err;
924 pcm->private_data = chip;
925 chip->analog_pcm = pcm;
926 strcpy(pcm->name, chip->card->shortname);
927 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &analog_playback_ops);
928 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &analog_capture_ops);
929 if ((err = snd_echo_preallocate_pages(pcm, snd_dma_pci_data(chip->pci))) < 0)
930 return err;
931 DE_INIT(("Analog PCM ok\n"));
932
933 #ifdef ECHOCARD_HAS_DIGITAL_IO
934 /* PCM#1 Digital inputs, no outputs */
935 if ((err = snd_pcm_new(chip->card, "Digital PCM", 1, 0,
936 num_digital_busses_in(chip), &pcm)) < 0)
937 return err;
938 pcm->private_data = chip;
939 chip->digital_pcm = pcm;
940 strcpy(pcm->name, chip->card->shortname);
941 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &digital_capture_ops);
942 if ((err = snd_echo_preallocate_pages(pcm, snd_dma_pci_data(chip->pci))) < 0)
943 return err;
944 DE_INIT(("Digital PCM ok\n"));
945 #endif /* ECHOCARD_HAS_DIGITAL_IO */
946
947 #else /* ECHOCARD_HAS_VMIXER */
948
949 /* The card can manage substreams formed by analog and digital channels
950 at the same time, but I prefer to keep analog and digital channels
951 separated, because that mixed thing is confusing and useless. So we
952 register two PCM devices: */
953
954 /* PCM#0 Analog i/o */
955 if ((err = snd_pcm_new(chip->card, "Analog PCM", 0,
956 num_analog_busses_out(chip),
957 num_analog_busses_in(chip), &pcm)) < 0)
958 return err;
959 pcm->private_data = chip;
960 chip->analog_pcm = pcm;
961 strcpy(pcm->name, chip->card->shortname);
962 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &analog_playback_ops);
963 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &analog_capture_ops);
964 if ((err = snd_echo_preallocate_pages(pcm, snd_dma_pci_data(chip->pci))) < 0)
965 return err;
966 DE_INIT(("Analog PCM ok\n"));
967
968 #ifdef ECHOCARD_HAS_DIGITAL_IO
969 /* PCM#1 Digital i/o */
970 if ((err = snd_pcm_new(chip->card, "Digital PCM", 1,
971 num_digital_busses_out(chip),
972 num_digital_busses_in(chip), &pcm)) < 0)
973 return err;
974 pcm->private_data = chip;
975 chip->digital_pcm = pcm;
976 strcpy(pcm->name, chip->card->shortname);
977 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &digital_playback_ops);
978 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &digital_capture_ops);
979 if ((err = snd_echo_preallocate_pages(pcm, snd_dma_pci_data(chip->pci))) < 0)
980 return err;
981 DE_INIT(("Digital PCM ok\n"));
982 #endif /* ECHOCARD_HAS_DIGITAL_IO */
983
984 #endif /* ECHOCARD_HAS_VMIXER */
985
986 return 0;
987 }
988
989
990
991
992 /******************************************************************************
993 Control interface
994 ******************************************************************************/
995
996 #if !defined(ECHOCARD_HAS_VMIXER) || defined(ECHOCARD_HAS_LINE_OUT_GAIN)
997
998 /******************* PCM output volume *******************/
999 static int snd_echo_output_gain_info(struct snd_kcontrol *kcontrol,
1000 struct snd_ctl_elem_info *uinfo)
1001 {
1002 struct echoaudio *chip;
1003
1004 chip = snd_kcontrol_chip(kcontrol);
1005 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1006 uinfo->count = num_busses_out(chip);
1007 uinfo->value.integer.min = ECHOGAIN_MINOUT;
1008 uinfo->value.integer.max = ECHOGAIN_MAXOUT;
1009 return 0;
1010 }
1011
1012 static int snd_echo_output_gain_get(struct snd_kcontrol *kcontrol,
1013 struct snd_ctl_elem_value *ucontrol)
1014 {
1015 struct echoaudio *chip;
1016 int c;
1017
1018 chip = snd_kcontrol_chip(kcontrol);
1019 for (c = 0; c < num_busses_out(chip); c++)
1020 ucontrol->value.integer.value[c] = chip->output_gain[c];
1021 return 0;
1022 }
1023
1024 static int snd_echo_output_gain_put(struct snd_kcontrol *kcontrol,
1025 struct snd_ctl_elem_value *ucontrol)
1026 {
1027 struct echoaudio *chip;
1028 int c, changed, gain;
1029
1030 changed = 0;
1031 chip = snd_kcontrol_chip(kcontrol);
1032 spin_lock_irq(&chip->lock);
1033 for (c = 0; c < num_busses_out(chip); c++) {
1034 gain = ucontrol->value.integer.value[c];
1035 /* Ignore out of range values */
1036 if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT)
1037 continue;
1038 if (chip->output_gain[c] != gain) {
1039 set_output_gain(chip, c, gain);
1040 changed = 1;
1041 }
1042 }
1043 if (changed)
1044 update_output_line_level(chip);
1045 spin_unlock_irq(&chip->lock);
1046 return changed;
1047 }
1048
1049 #ifdef ECHOCARD_HAS_LINE_OUT_GAIN
1050 /* On the Mia this one controls the line-out volume */
1051 static struct snd_kcontrol_new snd_echo_line_output_gain __devinitdata = {
1052 .name = "Line Playback Volume",
1053 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1054 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1055 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1056 .info = snd_echo_output_gain_info,
1057 .get = snd_echo_output_gain_get,
1058 .put = snd_echo_output_gain_put,
1059 .tlv = {.p = db_scale_output_gain},
1060 };
1061 #else
1062 static struct snd_kcontrol_new snd_echo_pcm_output_gain __devinitdata = {
1063 .name = "PCM Playback Volume",
1064 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1065 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1066 .info = snd_echo_output_gain_info,
1067 .get = snd_echo_output_gain_get,
1068 .put = snd_echo_output_gain_put,
1069 .tlv = {.p = db_scale_output_gain},
1070 };
1071 #endif
1072
1073 #endif /* !ECHOCARD_HAS_VMIXER || ECHOCARD_HAS_LINE_OUT_GAIN */
1074
1075
1076
1077 #ifdef ECHOCARD_HAS_INPUT_GAIN
1078
1079 /******************* Analog input volume *******************/
1080 static int snd_echo_input_gain_info(struct snd_kcontrol *kcontrol,
1081 struct snd_ctl_elem_info *uinfo)
1082 {
1083 struct echoaudio *chip;
1084
1085 chip = snd_kcontrol_chip(kcontrol);
1086 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1087 uinfo->count = num_analog_busses_in(chip);
1088 uinfo->value.integer.min = ECHOGAIN_MININP;
1089 uinfo->value.integer.max = ECHOGAIN_MAXINP;
1090 return 0;
1091 }
1092
1093 static int snd_echo_input_gain_get(struct snd_kcontrol *kcontrol,
1094 struct snd_ctl_elem_value *ucontrol)
1095 {
1096 struct echoaudio *chip;
1097 int c;
1098
1099 chip = snd_kcontrol_chip(kcontrol);
1100 for (c = 0; c < num_analog_busses_in(chip); c++)
1101 ucontrol->value.integer.value[c] = chip->input_gain[c];
1102 return 0;
1103 }
1104
1105 static int snd_echo_input_gain_put(struct snd_kcontrol *kcontrol,
1106 struct snd_ctl_elem_value *ucontrol)
1107 {
1108 struct echoaudio *chip;
1109 int c, gain, changed;
1110
1111 changed = 0;
1112 chip = snd_kcontrol_chip(kcontrol);
1113 spin_lock_irq(&chip->lock);
1114 for (c = 0; c < num_analog_busses_in(chip); c++) {
1115 gain = ucontrol->value.integer.value[c];
1116 /* Ignore out of range values */
1117 if (gain < ECHOGAIN_MININP || gain > ECHOGAIN_MAXINP)
1118 continue;
1119 if (chip->input_gain[c] != gain) {
1120 set_input_gain(chip, c, gain);
1121 changed = 1;
1122 }
1123 }
1124 if (changed)
1125 update_input_line_level(chip);
1126 spin_unlock_irq(&chip->lock);
1127 return changed;
1128 }
1129
1130 static const DECLARE_TLV_DB_SCALE(db_scale_input_gain, -2500, 50, 0);
1131
1132 static struct snd_kcontrol_new snd_echo_line_input_gain __devinitdata = {
1133 .name = "Line Capture Volume",
1134 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1135 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1136 .info = snd_echo_input_gain_info,
1137 .get = snd_echo_input_gain_get,
1138 .put = snd_echo_input_gain_put,
1139 .tlv = {.p = db_scale_input_gain},
1140 };
1141
1142 #endif /* ECHOCARD_HAS_INPUT_GAIN */
1143
1144
1145
1146 #ifdef ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL
1147
1148 /************ Analog output nominal level (+4dBu / -10dBV) ***************/
1149 static int snd_echo_output_nominal_info (struct snd_kcontrol *kcontrol,
1150 struct snd_ctl_elem_info *uinfo)
1151 {
1152 struct echoaudio *chip;
1153
1154 chip = snd_kcontrol_chip(kcontrol);
1155 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1156 uinfo->count = num_analog_busses_out(chip);
1157 uinfo->value.integer.min = 0;
1158 uinfo->value.integer.max = 1;
1159 return 0;
1160 }
1161
1162 static int snd_echo_output_nominal_get(struct snd_kcontrol *kcontrol,
1163 struct snd_ctl_elem_value *ucontrol)
1164 {
1165 struct echoaudio *chip;
1166 int c;
1167
1168 chip = snd_kcontrol_chip(kcontrol);
1169 for (c = 0; c < num_analog_busses_out(chip); c++)
1170 ucontrol->value.integer.value[c] = chip->nominal_level[c];
1171 return 0;
1172 }
1173
1174 static int snd_echo_output_nominal_put(struct snd_kcontrol *kcontrol,
1175 struct snd_ctl_elem_value *ucontrol)
1176 {
1177 struct echoaudio *chip;
1178 int c, changed;
1179
1180 changed = 0;
1181 chip = snd_kcontrol_chip(kcontrol);
1182 spin_lock_irq(&chip->lock);
1183 for (c = 0; c < num_analog_busses_out(chip); c++) {
1184 if (chip->nominal_level[c] != ucontrol->value.integer.value[c]) {
1185 set_nominal_level(chip, c,
1186 ucontrol->value.integer.value[c]);
1187 changed = 1;
1188 }
1189 }
1190 if (changed)
1191 update_output_line_level(chip);
1192 spin_unlock_irq(&chip->lock);
1193 return changed;
1194 }
1195
1196 static struct snd_kcontrol_new snd_echo_output_nominal_level __devinitdata = {
1197 .name = "Line Playback Switch (-10dBV)",
1198 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1199 .info = snd_echo_output_nominal_info,
1200 .get = snd_echo_output_nominal_get,
1201 .put = snd_echo_output_nominal_put,
1202 };
1203
1204 #endif /* ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL */
1205
1206
1207
1208 #ifdef ECHOCARD_HAS_INPUT_NOMINAL_LEVEL
1209
1210 /*************** Analog input nominal level (+4dBu / -10dBV) ***************/
1211 static int snd_echo_input_nominal_info(struct snd_kcontrol *kcontrol,
1212 struct snd_ctl_elem_info *uinfo)
1213 {
1214 struct echoaudio *chip;
1215
1216 chip = snd_kcontrol_chip(kcontrol);
1217 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1218 uinfo->count = num_analog_busses_in(chip);
1219 uinfo->value.integer.min = 0;
1220 uinfo->value.integer.max = 1;
1221 return 0;
1222 }
1223
1224 static int snd_echo_input_nominal_get(struct snd_kcontrol *kcontrol,
1225 struct snd_ctl_elem_value *ucontrol)
1226 {
1227 struct echoaudio *chip;
1228 int c;
1229
1230 chip = snd_kcontrol_chip(kcontrol);
1231 for (c = 0; c < num_analog_busses_in(chip); c++)
1232 ucontrol->value.integer.value[c] =
1233 chip->nominal_level[bx_analog_in(chip) + c];
1234 return 0;
1235 }
1236
1237 static int snd_echo_input_nominal_put(struct snd_kcontrol *kcontrol,
1238 struct snd_ctl_elem_value *ucontrol)
1239 {
1240 struct echoaudio *chip;
1241 int c, changed;
1242
1243 changed = 0;
1244 chip = snd_kcontrol_chip(kcontrol);
1245 spin_lock_irq(&chip->lock);
1246 for (c = 0; c < num_analog_busses_in(chip); c++) {
1247 if (chip->nominal_level[bx_analog_in(chip) + c] !=
1248 ucontrol->value.integer.value[c]) {
1249 set_nominal_level(chip, bx_analog_in(chip) + c,
1250 ucontrol->value.integer.value[c]);
1251 changed = 1;
1252 }
1253 }
1254 if (changed)
1255 update_output_line_level(chip); /* "Output" is not a mistake
1256 * here.
1257 */
1258 spin_unlock_irq(&chip->lock);
1259 return changed;
1260 }
1261
1262 static struct snd_kcontrol_new snd_echo_intput_nominal_level __devinitdata = {
1263 .name = "Line Capture Switch (-10dBV)",
1264 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1265 .info = snd_echo_input_nominal_info,
1266 .get = snd_echo_input_nominal_get,
1267 .put = snd_echo_input_nominal_put,
1268 };
1269
1270 #endif /* ECHOCARD_HAS_INPUT_NOMINAL_LEVEL */
1271
1272
1273
1274 #ifdef ECHOCARD_HAS_MONITOR
1275
1276 /******************* Monitor mixer *******************/
1277 static int snd_echo_mixer_info(struct snd_kcontrol *kcontrol,
1278 struct snd_ctl_elem_info *uinfo)
1279 {
1280 struct echoaudio *chip;
1281
1282 chip = snd_kcontrol_chip(kcontrol);
1283 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1284 uinfo->count = 1;
1285 uinfo->value.integer.min = ECHOGAIN_MINOUT;
1286 uinfo->value.integer.max = ECHOGAIN_MAXOUT;
1287 uinfo->dimen.d[0] = num_busses_out(chip);
1288 uinfo->dimen.d[1] = num_busses_in(chip);
1289 return 0;
1290 }
1291
1292 static int snd_echo_mixer_get(struct snd_kcontrol *kcontrol,
1293 struct snd_ctl_elem_value *ucontrol)
1294 {
1295 struct echoaudio *chip;
1296
1297 chip = snd_kcontrol_chip(kcontrol);
1298 ucontrol->value.integer.value[0] =
1299 chip->monitor_gain[ucontrol->id.index / num_busses_in(chip)]
1300 [ucontrol->id.index % num_busses_in(chip)];
1301 return 0;
1302 }
1303
1304 static int snd_echo_mixer_put(struct snd_kcontrol *kcontrol,
1305 struct snd_ctl_elem_value *ucontrol)
1306 {
1307 struct echoaudio *chip;
1308 int changed, gain;
1309 short out, in;
1310
1311 changed = 0;
1312 chip = snd_kcontrol_chip(kcontrol);
1313 out = ucontrol->id.index / num_busses_in(chip);
1314 in = ucontrol->id.index % num_busses_in(chip);
1315 gain = ucontrol->value.integer.value[0];
1316 if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT)
1317 return -EINVAL;
1318 if (chip->monitor_gain[out][in] != gain) {
1319 spin_lock_irq(&chip->lock);
1320 set_monitor_gain(chip, out, in, gain);
1321 update_output_line_level(chip);
1322 spin_unlock_irq(&chip->lock);
1323 changed = 1;
1324 }
1325 return changed;
1326 }
1327
1328 static struct snd_kcontrol_new snd_echo_monitor_mixer __devinitdata = {
1329 .name = "Monitor Mixer Volume",
1330 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1331 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1332 .info = snd_echo_mixer_info,
1333 .get = snd_echo_mixer_get,
1334 .put = snd_echo_mixer_put,
1335 .tlv = {.p = db_scale_output_gain},
1336 };
1337
1338 #endif /* ECHOCARD_HAS_MONITOR */
1339
1340
1341
1342 #ifdef ECHOCARD_HAS_VMIXER
1343
1344 /******************* Vmixer *******************/
1345 static int snd_echo_vmixer_info(struct snd_kcontrol *kcontrol,
1346 struct snd_ctl_elem_info *uinfo)
1347 {
1348 struct echoaudio *chip;
1349
1350 chip = snd_kcontrol_chip(kcontrol);
1351 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1352 uinfo->count = 1;
1353 uinfo->value.integer.min = ECHOGAIN_MINOUT;
1354 uinfo->value.integer.max = ECHOGAIN_MAXOUT;
1355 uinfo->dimen.d[0] = num_busses_out(chip);
1356 uinfo->dimen.d[1] = num_pipes_out(chip);
1357 return 0;
1358 }
1359
1360 static int snd_echo_vmixer_get(struct snd_kcontrol *kcontrol,
1361 struct snd_ctl_elem_value *ucontrol)
1362 {
1363 struct echoaudio *chip;
1364
1365 chip = snd_kcontrol_chip(kcontrol);
1366 ucontrol->value.integer.value[0] =
1367 chip->vmixer_gain[ucontrol->id.index / num_pipes_out(chip)]
1368 [ucontrol->id.index % num_pipes_out(chip)];
1369 return 0;
1370 }
1371
1372 static int snd_echo_vmixer_put(struct snd_kcontrol *kcontrol,
1373 struct snd_ctl_elem_value *ucontrol)
1374 {
1375 struct echoaudio *chip;
1376 int gain, changed;
1377 short vch, out;
1378
1379 changed = 0;
1380 chip = snd_kcontrol_chip(kcontrol);
1381 out = ucontrol->id.index / num_pipes_out(chip);
1382 vch = ucontrol->id.index % num_pipes_out(chip);
1383 gain = ucontrol->value.integer.value[0];
1384 if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT)
1385 return -EINVAL;
1386 if (chip->vmixer_gain[out][vch] != ucontrol->value.integer.value[0]) {
1387 spin_lock_irq(&chip->lock);
1388 set_vmixer_gain(chip, out, vch, ucontrol->value.integer.value[0]);
1389 update_vmixer_level(chip);
1390 spin_unlock_irq(&chip->lock);
1391 changed = 1;
1392 }
1393 return changed;
1394 }
1395
1396 static struct snd_kcontrol_new snd_echo_vmixer __devinitdata = {
1397 .name = "VMixer Volume",
1398 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1399 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1400 .info = snd_echo_vmixer_info,
1401 .get = snd_echo_vmixer_get,
1402 .put = snd_echo_vmixer_put,
1403 .tlv = {.p = db_scale_output_gain},
1404 };
1405
1406 #endif /* ECHOCARD_HAS_VMIXER */
1407
1408
1409
1410 #ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH
1411
1412 /******************* Digital mode switch *******************/
1413 static int snd_echo_digital_mode_info(struct snd_kcontrol *kcontrol,
1414 struct snd_ctl_elem_info *uinfo)
1415 {
1416 static char *names[4] = {
1417 "S/PDIF Coaxial", "S/PDIF Optical", "ADAT Optical",
1418 "S/PDIF Cdrom"
1419 };
1420 struct echoaudio *chip;
1421
1422 chip = snd_kcontrol_chip(kcontrol);
1423 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1424 uinfo->value.enumerated.items = chip->num_digital_modes;
1425 uinfo->count = 1;
1426 if (uinfo->value.enumerated.item >= chip->num_digital_modes)
1427 uinfo->value.enumerated.item = chip->num_digital_modes - 1;
1428 strcpy(uinfo->value.enumerated.name, names[
1429 chip->digital_mode_list[uinfo->value.enumerated.item]]);
1430 return 0;
1431 }
1432
1433 static int snd_echo_digital_mode_get(struct snd_kcontrol *kcontrol,
1434 struct snd_ctl_elem_value *ucontrol)
1435 {
1436 struct echoaudio *chip;
1437 int i, mode;
1438
1439 chip = snd_kcontrol_chip(kcontrol);
1440 mode = chip->digital_mode;
1441 for (i = chip->num_digital_modes - 1; i >= 0; i--)
1442 if (mode == chip->digital_mode_list[i]) {
1443 ucontrol->value.enumerated.item[0] = i;
1444 break;
1445 }
1446 return 0;
1447 }
1448
1449 static int snd_echo_digital_mode_put(struct snd_kcontrol *kcontrol,
1450 struct snd_ctl_elem_value *ucontrol)
1451 {
1452 struct echoaudio *chip;
1453 int changed;
1454 unsigned short emode, dmode;
1455
1456 changed = 0;
1457 chip = snd_kcontrol_chip(kcontrol);
1458
1459 emode = ucontrol->value.enumerated.item[0];
1460 if (emode >= chip->num_digital_modes)
1461 return -EINVAL;
1462 dmode = chip->digital_mode_list[emode];
1463
1464 if (dmode != chip->digital_mode) {
1465 /* mode_mutex is required to make this operation atomic wrt
1466 pcm_digital_*_open() and set_input_clock() functions. */
1467 mutex_lock(&chip->mode_mutex);
1468
1469 /* Do not allow the user to change the digital mode when a pcm
1470 device is open because it also changes the number of channels
1471 and the allowed sample rates */
1472 if (atomic_read(&chip->opencount)) {
1473 changed = -EAGAIN;
1474 } else {
1475 changed = set_digital_mode(chip, dmode);
1476 /* If we had to change the clock source, report it */
1477 if (changed > 0 && chip->clock_src_ctl) {
1478 snd_ctl_notify(chip->card,
1479 SNDRV_CTL_EVENT_MASK_VALUE,
1480 &chip->clock_src_ctl->id);
1481 DE_ACT(("SDM() =%d\n", changed));
1482 }
1483 if (changed >= 0)
1484 changed = 1; /* No errors */
1485 }
1486 mutex_unlock(&chip->mode_mutex);
1487 }
1488 return changed;
1489 }
1490
1491 static struct snd_kcontrol_new snd_echo_digital_mode_switch __devinitdata = {
1492 .name = "Digital mode Switch",
1493 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1494 .info = snd_echo_digital_mode_info,
1495 .get = snd_echo_digital_mode_get,
1496 .put = snd_echo_digital_mode_put,
1497 };
1498
1499 #endif /* ECHOCARD_HAS_DIGITAL_MODE_SWITCH */
1500
1501
1502
1503 #ifdef ECHOCARD_HAS_DIGITAL_IO
1504
1505 /******************* S/PDIF mode switch *******************/
1506 static int snd_echo_spdif_mode_info(struct snd_kcontrol *kcontrol,
1507 struct snd_ctl_elem_info *uinfo)
1508 {
1509 static char *names[2] = {"Consumer", "Professional"};
1510
1511 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1512 uinfo->value.enumerated.items = 2;
1513 uinfo->count = 1;
1514 if (uinfo->value.enumerated.item)
1515 uinfo->value.enumerated.item = 1;
1516 strcpy(uinfo->value.enumerated.name,
1517 names[uinfo->value.enumerated.item]);
1518 return 0;
1519 }
1520
1521 static int snd_echo_spdif_mode_get(struct snd_kcontrol *kcontrol,
1522 struct snd_ctl_elem_value *ucontrol)
1523 {
1524 struct echoaudio *chip;
1525
1526 chip = snd_kcontrol_chip(kcontrol);
1527 ucontrol->value.enumerated.item[0] = !!chip->professional_spdif;
1528 return 0;
1529 }
1530
1531 static int snd_echo_spdif_mode_put(struct snd_kcontrol *kcontrol,
1532 struct snd_ctl_elem_value *ucontrol)
1533 {
1534 struct echoaudio *chip;
1535 int mode;
1536
1537 chip = snd_kcontrol_chip(kcontrol);
1538 mode = !!ucontrol->value.enumerated.item[0];
1539 if (mode != chip->professional_spdif) {
1540 spin_lock_irq(&chip->lock);
1541 set_professional_spdif(chip, mode);
1542 spin_unlock_irq(&chip->lock);
1543 return 1;
1544 }
1545 return 0;
1546 }
1547
1548 static struct snd_kcontrol_new snd_echo_spdif_mode_switch __devinitdata = {
1549 .name = "S/PDIF mode Switch",
1550 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1551 .info = snd_echo_spdif_mode_info,
1552 .get = snd_echo_spdif_mode_get,
1553 .put = snd_echo_spdif_mode_put,
1554 };
1555
1556 #endif /* ECHOCARD_HAS_DIGITAL_IO */
1557
1558
1559
1560 #ifdef ECHOCARD_HAS_EXTERNAL_CLOCK
1561
1562 /******************* Select input clock source *******************/
1563 static int snd_echo_clock_source_info(struct snd_kcontrol *kcontrol,
1564 struct snd_ctl_elem_info *uinfo)
1565 {
1566 static char *names[8] = {
1567 "Internal", "Word", "Super", "S/PDIF", "ADAT", "ESync",
1568 "ESync96", "MTC"
1569 };
1570 struct echoaudio *chip;
1571
1572 chip = snd_kcontrol_chip(kcontrol);
1573 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1574 uinfo->value.enumerated.items = chip->num_clock_sources;
1575 uinfo->count = 1;
1576 if (uinfo->value.enumerated.item >= chip->num_clock_sources)
1577 uinfo->value.enumerated.item = chip->num_clock_sources - 1;
1578 strcpy(uinfo->value.enumerated.name, names[
1579 chip->clock_source_list[uinfo->value.enumerated.item]]);
1580 return 0;
1581 }
1582
1583 static int snd_echo_clock_source_get(struct snd_kcontrol *kcontrol,
1584 struct snd_ctl_elem_value *ucontrol)
1585 {
1586 struct echoaudio *chip;
1587 int i, clock;
1588
1589 chip = snd_kcontrol_chip(kcontrol);
1590 clock = chip->input_clock;
1591
1592 for (i = 0; i < chip->num_clock_sources; i++)
1593 if (clock == chip->clock_source_list[i])
1594 ucontrol->value.enumerated.item[0] = i;
1595
1596 return 0;
1597 }
1598
1599 static int snd_echo_clock_source_put(struct snd_kcontrol *kcontrol,
1600 struct snd_ctl_elem_value *ucontrol)
1601 {
1602 struct echoaudio *chip;
1603 int changed;
1604 unsigned int eclock, dclock;
1605
1606 changed = 0;
1607 chip = snd_kcontrol_chip(kcontrol);
1608 eclock = ucontrol->value.enumerated.item[0];
1609 if (eclock >= chip->input_clock_types)
1610 return -EINVAL;
1611 dclock = chip->clock_source_list[eclock];
1612 if (chip->input_clock != dclock) {
1613 mutex_lock(&chip->mode_mutex);
1614 spin_lock_irq(&chip->lock);
1615 if ((changed = set_input_clock(chip, dclock)) == 0)
1616 changed = 1; /* no errors */
1617 spin_unlock_irq(&chip->lock);
1618 mutex_unlock(&chip->mode_mutex);
1619 }
1620
1621 if (changed < 0)
1622 DE_ACT(("seticlk val%d err 0x%x\n", dclock, changed));
1623
1624 return changed;
1625 }
1626
1627 static struct snd_kcontrol_new snd_echo_clock_source_switch __devinitdata = {
1628 .name = "Sample Clock Source",
1629 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1630 .info = snd_echo_clock_source_info,
1631 .get = snd_echo_clock_source_get,
1632 .put = snd_echo_clock_source_put,
1633 };
1634
1635 #endif /* ECHOCARD_HAS_EXTERNAL_CLOCK */
1636
1637
1638
1639 #ifdef ECHOCARD_HAS_PHANTOM_POWER
1640
1641 /******************* Phantom power switch *******************/
1642 #define snd_echo_phantom_power_info snd_ctl_boolean_mono_info
1643
1644 static int snd_echo_phantom_power_get(struct snd_kcontrol *kcontrol,
1645 struct snd_ctl_elem_value *ucontrol)
1646 {
1647 struct echoaudio *chip = snd_kcontrol_chip(kcontrol);
1648
1649 ucontrol->value.integer.value[0] = chip->phantom_power;
1650 return 0;
1651 }
1652
1653 static int snd_echo_phantom_power_put(struct snd_kcontrol *kcontrol,
1654 struct snd_ctl_elem_value *ucontrol)
1655 {
1656 struct echoaudio *chip = snd_kcontrol_chip(kcontrol);
1657 int power, changed = 0;
1658
1659 power = !!ucontrol->value.integer.value[0];
1660 if (chip->phantom_power != power) {
1661 spin_lock_irq(&chip->lock);
1662 changed = set_phantom_power(chip, power);
1663 spin_unlock_irq(&chip->lock);
1664 if (changed == 0)
1665 changed = 1; /* no errors */
1666 }
1667 return changed;
1668 }
1669
1670 static struct snd_kcontrol_new snd_echo_phantom_power_switch __devinitdata = {
1671 .name = "Phantom power Switch",
1672 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1673 .info = snd_echo_phantom_power_info,
1674 .get = snd_echo_phantom_power_get,
1675 .put = snd_echo_phantom_power_put,
1676 };
1677
1678 #endif /* ECHOCARD_HAS_PHANTOM_POWER */
1679
1680
1681
1682 #ifdef ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE
1683
1684 /******************* Digital input automute switch *******************/
1685 #define snd_echo_automute_info snd_ctl_boolean_mono_info
1686
1687 static int snd_echo_automute_get(struct snd_kcontrol *kcontrol,
1688 struct snd_ctl_elem_value *ucontrol)
1689 {
1690 struct echoaudio *chip = snd_kcontrol_chip(kcontrol);
1691
1692 ucontrol->value.integer.value[0] = chip->digital_in_automute;
1693 return 0;
1694 }
1695
1696 static int snd_echo_automute_put(struct snd_kcontrol *kcontrol,
1697 struct snd_ctl_elem_value *ucontrol)
1698 {
1699 struct echoaudio *chip = snd_kcontrol_chip(kcontrol);
1700 int automute, changed = 0;
1701
1702 automute = !!ucontrol->value.integer.value[0];
1703 if (chip->digital_in_automute != automute) {
1704 spin_lock_irq(&chip->lock);
1705 changed = set_input_auto_mute(chip, automute);
1706 spin_unlock_irq(&chip->lock);
1707 if (changed == 0)
1708 changed = 1; /* no errors */
1709 }
1710 return changed;
1711 }
1712
1713 static struct snd_kcontrol_new snd_echo_automute_switch __devinitdata = {
1714 .name = "Digital Capture Switch (automute)",
1715 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1716 .info = snd_echo_automute_info,
1717 .get = snd_echo_automute_get,
1718 .put = snd_echo_automute_put,
1719 };
1720
1721 #endif /* ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE */
1722
1723
1724
1725 /******************* VU-meters switch *******************/
1726 #define snd_echo_vumeters_switch_info snd_ctl_boolean_mono_info
1727
1728 static int snd_echo_vumeters_switch_put(struct snd_kcontrol *kcontrol,
1729 struct snd_ctl_elem_value *ucontrol)
1730 {
1731 struct echoaudio *chip;
1732
1733 chip = snd_kcontrol_chip(kcontrol);
1734 spin_lock_irq(&chip->lock);
1735 set_meters_on(chip, ucontrol->value.integer.value[0]);
1736 spin_unlock_irq(&chip->lock);
1737 return 1;
1738 }
1739
1740 static struct snd_kcontrol_new snd_echo_vumeters_switch __devinitdata = {
1741 .name = "VU-meters Switch",
1742 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
1743 .access = SNDRV_CTL_ELEM_ACCESS_WRITE,
1744 .info = snd_echo_vumeters_switch_info,
1745 .put = snd_echo_vumeters_switch_put,
1746 };
1747
1748
1749
1750 /***** Read VU-meters (input, output, analog and digital together) *****/
1751 static int snd_echo_vumeters_info(struct snd_kcontrol *kcontrol,
1752 struct snd_ctl_elem_info *uinfo)
1753 {
1754 struct echoaudio *chip;
1755
1756 chip = snd_kcontrol_chip(kcontrol);
1757 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1758 uinfo->count = 96;
1759 uinfo->value.integer.min = ECHOGAIN_MINOUT;
1760 uinfo->value.integer.max = 0;
1761 #ifdef ECHOCARD_HAS_VMIXER
1762 uinfo->dimen.d[0] = 3; /* Out, In, Virt */
1763 #else
1764 uinfo->dimen.d[0] = 2; /* Out, In */
1765 #endif
1766 uinfo->dimen.d[1] = 16; /* 16 channels */
1767 uinfo->dimen.d[2] = 2; /* 0=level, 1=peak */
1768 return 0;
1769 }
1770
1771 static int snd_echo_vumeters_get(struct snd_kcontrol *kcontrol,
1772 struct snd_ctl_elem_value *ucontrol)
1773 {
1774 struct echoaudio *chip;
1775
1776 chip = snd_kcontrol_chip(kcontrol);
1777 get_audio_meters(chip, ucontrol->value.integer.value);
1778 return 0;
1779 }
1780
1781 static struct snd_kcontrol_new snd_echo_vumeters __devinitdata = {
1782 .name = "VU-meters",
1783 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1784 .access = SNDRV_CTL_ELEM_ACCESS_READ |
1785 SNDRV_CTL_ELEM_ACCESS_VOLATILE |
1786 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1787 .info = snd_echo_vumeters_info,
1788 .get = snd_echo_vumeters_get,
1789 .tlv = {.p = db_scale_output_gain},
1790 };
1791
1792
1793
1794 /*** Channels info - it exports informations about the number of channels ***/
1795 static int snd_echo_channels_info_info(struct snd_kcontrol *kcontrol,
1796 struct snd_ctl_elem_info *uinfo)
1797 {
1798 struct echoaudio *chip;
1799
1800 chip = snd_kcontrol_chip(kcontrol);
1801 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1802 uinfo->count = 6;
1803 uinfo->value.integer.min = 0;
1804 uinfo->value.integer.max = 1 << ECHO_CLOCK_NUMBER;
1805 return 0;
1806 }
1807
1808 static int snd_echo_channels_info_get(struct snd_kcontrol *kcontrol,
1809 struct snd_ctl_elem_value *ucontrol)
1810 {
1811 struct echoaudio *chip;
1812 int detected, clocks, bit, src;
1813
1814 chip = snd_kcontrol_chip(kcontrol);
1815 ucontrol->value.integer.value[0] = num_busses_in(chip);
1816 ucontrol->value.integer.value[1] = num_analog_busses_in(chip);
1817 ucontrol->value.integer.value[2] = num_busses_out(chip);
1818 ucontrol->value.integer.value[3] = num_analog_busses_out(chip);
1819 ucontrol->value.integer.value[4] = num_pipes_out(chip);
1820
1821 /* Compute the bitmask of the currently valid input clocks */
1822 detected = detect_input_clocks(chip);
1823 clocks = 0;
1824 src = chip->num_clock_sources - 1;
1825 for (bit = ECHO_CLOCK_NUMBER - 1; bit >= 0; bit--)
1826 if (detected & (1 << bit))
1827 for (; src >= 0; src--)
1828 if (bit == chip->clock_source_list[src]) {
1829 clocks |= 1 << src;
1830 break;
1831 }
1832 ucontrol->value.integer.value[5] = clocks;
1833
1834 return 0;
1835 }
1836
1837 static struct snd_kcontrol_new snd_echo_channels_info __devinitdata = {
1838 .name = "Channels info",
1839 .iface = SNDRV_CTL_ELEM_IFACE_HWDEP,
1840 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
1841 .info = snd_echo_channels_info_info,
1842 .get = snd_echo_channels_info_get,
1843 };
1844
1845
1846
1847
1848 /******************************************************************************
1849 IRQ Handler
1850 ******************************************************************************/
1851
1852 static irqreturn_t snd_echo_interrupt(int irq, void *dev_id)
1853 {
1854 struct echoaudio *chip = dev_id;
1855 struct snd_pcm_substream *substream;
1856 int period, ss, st;
1857
1858 spin_lock(&chip->lock);
1859 st = service_irq(chip);
1860 if (st < 0) {
1861 spin_unlock(&chip->lock);
1862 return IRQ_NONE;
1863 }
1864 /* The hardware doesn't tell us which substream caused the irq,
1865 thus we have to check all running substreams. */
1866 for (ss = 0; ss < DSP_MAXPIPES; ss++) {
1867 substream = chip->substream[ss];
1868 if (substream && ((struct audiopipe *)substream->runtime->
1869 private_data)->state == PIPE_STATE_STARTED) {
1870 period = pcm_pointer(substream) /
1871 substream->runtime->period_size;
1872 if (period != chip->last_period[ss]) {
1873 chip->last_period[ss] = period;
1874 spin_unlock(&chip->lock);
1875 snd_pcm_period_elapsed(substream);
1876 spin_lock(&chip->lock);
1877 }
1878 }
1879 }
1880 spin_unlock(&chip->lock);
1881
1882 #ifdef ECHOCARD_HAS_MIDI
1883 if (st > 0 && chip->midi_in) {
1884 snd_rawmidi_receive(chip->midi_in, chip->midi_buffer, st);
1885 DE_MID(("rawmidi_iread=%d\n", st));
1886 }
1887 #endif
1888 return IRQ_HANDLED;
1889 }
1890
1891
1892
1893
1894 /******************************************************************************
1895 Module construction / destruction
1896 ******************************************************************************/
1897
1898 static int snd_echo_free(struct echoaudio *chip)
1899 {
1900 DE_INIT(("Stop DSP...\n"));
1901 if (chip->comm_page)
1902 rest_in_peace(chip);
1903 DE_INIT(("Stopped.\n"));
1904
1905 if (chip->irq >= 0)
1906 free_irq(chip->irq, chip);
1907
1908 if (chip->comm_page)
1909 snd_dma_free_pages(&chip->commpage_dma_buf);
1910
1911 if (chip->dsp_registers)
1912 iounmap(chip->dsp_registers);
1913
1914 if (chip->iores)
1915 release_and_free_resource(chip->iores);
1916
1917 DE_INIT(("MMIO freed.\n"));
1918
1919 pci_disable_device(chip->pci);
1920
1921 /* release chip data */
1922 free_firmware_cache(chip);
1923 kfree(chip);
1924 DE_INIT(("Chip freed.\n"));
1925 return 0;
1926 }
1927
1928
1929
1930 static int snd_echo_dev_free(struct snd_device *device)
1931 {
1932 struct echoaudio *chip = device->device_data;
1933
1934 DE_INIT(("snd_echo_dev_free()...\n"));
1935 return snd_echo_free(chip);
1936 }
1937
1938
1939
1940 /* <--snd_echo_probe() */
1941 static __devinit int snd_echo_create(struct snd_card *card,
1942 struct pci_dev *pci,
1943 struct echoaudio **rchip)
1944 {
1945 struct echoaudio *chip;
1946 int err;
1947 size_t sz;
1948 static struct snd_device_ops ops = {
1949 .dev_free = snd_echo_dev_free,
1950 };
1951
1952 *rchip = NULL;
1953
1954 pci_write_config_byte(pci, PCI_LATENCY_TIMER, 0xC0);
1955
1956 if ((err = pci_enable_device(pci)) < 0)
1957 return err;
1958 pci_set_master(pci);
1959
1960 /* Allocate chip if needed */
1961 if (!*rchip) {
1962 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1963 if (!chip) {
1964 pci_disable_device(pci);
1965 return -ENOMEM;
1966 }
1967 DE_INIT(("chip=%p\n", chip));
1968 spin_lock_init(&chip->lock);
1969 chip->card = card;
1970 chip->pci = pci;
1971 chip->irq = -1;
1972 atomic_set(&chip->opencount, 0);
1973 mutex_init(&chip->mode_mutex);
1974 chip->can_set_rate = 1;
1975 } else {
1976 /* If this was called from the resume function, chip is
1977 * already allocated and it contains current card settings.
1978 */
1979 chip = *rchip;
1980 }
1981
1982 /* PCI resource allocation */
1983 chip->dsp_registers_phys = pci_resource_start(pci, 0);
1984 sz = pci_resource_len(pci, 0);
1985 if (sz > PAGE_SIZE)
1986 sz = PAGE_SIZE; /* We map only the required part */
1987
1988 if ((chip->iores = request_mem_region(chip->dsp_registers_phys, sz,
1989 ECHOCARD_NAME)) == NULL) {
1990 snd_echo_free(chip);
1991 snd_printk(KERN_ERR "cannot get memory region\n");
1992 return -EBUSY;
1993 }
1994 chip->dsp_registers = (volatile u32 __iomem *)
1995 ioremap_nocache(chip->dsp_registers_phys, sz);
1996
1997 if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
1998 KBUILD_MODNAME, chip)) {
1999 snd_echo_free(chip);
2000 snd_printk(KERN_ERR "cannot grab irq\n");
2001 return -EBUSY;
2002 }
2003 chip->irq = pci->irq;
2004 DE_INIT(("pci=%p irq=%d subdev=%04x Init hardware...\n",
2005 chip->pci, chip->irq, chip->pci->subsystem_device));
2006
2007 /* Create the DSP comm page - this is the area of memory used for most
2008 of the communication with the DSP, which accesses it via bus mastering */
2009 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
2010 sizeof(struct comm_page),
2011 &chip->commpage_dma_buf) < 0) {
2012 snd_echo_free(chip);
2013 snd_printk(KERN_ERR "cannot allocate the comm page\n");
2014 return -ENOMEM;
2015 }
2016 chip->comm_page_phys = chip->commpage_dma_buf.addr;
2017 chip->comm_page = (struct comm_page *)chip->commpage_dma_buf.area;
2018
2019 err = init_hw(chip, chip->pci->device, chip->pci->subsystem_device);
2020 if (err >= 0)
2021 err = set_mixer_defaults(chip);
2022 if (err < 0) {
2023 DE_INIT(("init_hw err=%d\n", err));
2024 snd_echo_free(chip);
2025 return err;
2026 }
2027 DE_INIT(("Card init OK\n"));
2028
2029 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2030 snd_echo_free(chip);
2031 return err;
2032 }
2033 *rchip = chip;
2034 /* Init done ! */
2035 return 0;
2036 }
2037
2038
2039
2040 /* constructor */
2041 static int __devinit snd_echo_probe(struct pci_dev *pci,
2042 const struct pci_device_id *pci_id)
2043 {
2044 static int dev;
2045 struct snd_card *card;
2046 struct echoaudio *chip;
2047 char *dsp;
2048 int i, err;
2049
2050 if (dev >= SNDRV_CARDS)
2051 return -ENODEV;
2052 if (!enable[dev]) {
2053 dev++;
2054 return -ENOENT;
2055 }
2056
2057 DE_INIT(("Echoaudio driver starting...\n"));
2058 i = 0;
2059 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2060 if (err < 0)
2061 return err;
2062
2063 snd_card_set_dev(card, &pci->dev);
2064
2065 chip = NULL; /* Tells snd_echo_create to allocate chip */
2066 if ((err = snd_echo_create(card, pci, &chip)) < 0) {
2067 snd_card_free(card);
2068 return err;
2069 }
2070
2071 strcpy(card->driver, "Echo_" ECHOCARD_NAME);
2072 strcpy(card->shortname, chip->card_name);
2073
2074 dsp = "56301";
2075 if (pci_id->device == 0x3410)
2076 dsp = "56361";
2077
2078 sprintf(card->longname, "%s rev.%d (DSP%s) at 0x%lx irq %i",
2079 card->shortname, pci_id->subdevice & 0x000f, dsp,
2080 chip->dsp_registers_phys, chip->irq);
2081
2082 if ((err = snd_echo_new_pcm(chip)) < 0) {
2083 snd_printk(KERN_ERR "new pcm error %d\n", err);
2084 snd_card_free(card);
2085 return err;
2086 }
2087
2088 #ifdef ECHOCARD_HAS_MIDI
2089 if (chip->has_midi) { /* Some Mia's do not have midi */
2090 if ((err = snd_echo_midi_create(card, chip)) < 0) {
2091 snd_printk(KERN_ERR "new midi error %d\n", err);
2092 snd_card_free(card);
2093 return err;
2094 }
2095 }
2096 #endif
2097
2098 #ifdef ECHOCARD_HAS_VMIXER
2099 snd_echo_vmixer.count = num_pipes_out(chip) * num_busses_out(chip);
2100 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vmixer, chip))) < 0)
2101 goto ctl_error;
2102 #ifdef ECHOCARD_HAS_LINE_OUT_GAIN
2103 err = snd_ctl_add(chip->card,
2104 snd_ctl_new1(&snd_echo_line_output_gain, chip));
2105 if (err < 0)
2106 goto ctl_error;
2107 #endif
2108 #else /* ECHOCARD_HAS_VMIXER */
2109 err = snd_ctl_add(chip->card,
2110 snd_ctl_new1(&snd_echo_pcm_output_gain, chip));
2111 if (err < 0)
2112 goto ctl_error;
2113 #endif /* ECHOCARD_HAS_VMIXER */
2114
2115 #ifdef ECHOCARD_HAS_INPUT_GAIN
2116 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_line_input_gain, chip))) < 0)
2117 goto ctl_error;
2118 #endif
2119
2120 #ifdef ECHOCARD_HAS_INPUT_NOMINAL_LEVEL
2121 if (!chip->hasnt_input_nominal_level)
2122 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_intput_nominal_level, chip))) < 0)
2123 goto ctl_error;
2124 #endif
2125
2126 #ifdef ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL
2127 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_output_nominal_level, chip))) < 0)
2128 goto ctl_error;
2129 #endif
2130
2131 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vumeters_switch, chip))) < 0)
2132 goto ctl_error;
2133
2134 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vumeters, chip))) < 0)
2135 goto ctl_error;
2136
2137 #ifdef ECHOCARD_HAS_MONITOR
2138 snd_echo_monitor_mixer.count = num_busses_in(chip) * num_busses_out(chip);
2139 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_monitor_mixer, chip))) < 0)
2140 goto ctl_error;
2141 #endif
2142
2143 #ifdef ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE
2144 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_automute_switch, chip))) < 0)
2145 goto ctl_error;
2146 #endif
2147
2148 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_channels_info, chip))) < 0)
2149 goto ctl_error;
2150
2151 #ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH
2152 /* Creates a list of available digital modes */
2153 chip->num_digital_modes = 0;
2154 for (i = 0; i < 6; i++)
2155 if (chip->digital_modes & (1 << i))
2156 chip->digital_mode_list[chip->num_digital_modes++] = i;
2157
2158 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_digital_mode_switch, chip))) < 0)
2159 goto ctl_error;
2160 #endif /* ECHOCARD_HAS_DIGITAL_MODE_SWITCH */
2161
2162 #ifdef ECHOCARD_HAS_EXTERNAL_CLOCK
2163 /* Creates a list of available clock sources */
2164 chip->num_clock_sources = 0;
2165 for (i = 0; i < 10; i++)
2166 if (chip->input_clock_types & (1 << i))
2167 chip->clock_source_list[chip->num_clock_sources++] = i;
2168
2169 if (chip->num_clock_sources > 1) {
2170 chip->clock_src_ctl = snd_ctl_new1(&snd_echo_clock_source_switch, chip);
2171 if ((err = snd_ctl_add(chip->card, chip->clock_src_ctl)) < 0)
2172 goto ctl_error;
2173 }
2174 #endif /* ECHOCARD_HAS_EXTERNAL_CLOCK */
2175
2176 #ifdef ECHOCARD_HAS_DIGITAL_IO
2177 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_spdif_mode_switch, chip))) < 0)
2178 goto ctl_error;
2179 #endif
2180
2181 #ifdef ECHOCARD_HAS_PHANTOM_POWER
2182 if (chip->has_phantom_power)
2183 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_phantom_power_switch, chip))) < 0)
2184 goto ctl_error;
2185 #endif
2186
2187 err = snd_card_register(card);
2188 if (err < 0)
2189 goto ctl_error;
2190 snd_printk(KERN_INFO "Card registered: %s\n", card->longname);
2191
2192 pci_set_drvdata(pci, chip);
2193 dev++;
2194 return 0;
2195
2196 ctl_error:
2197 snd_printk(KERN_ERR "new control error %d\n", err);
2198 snd_card_free(card);
2199 return err;
2200 }
2201
2202
2203
2204 #if defined(CONFIG_PM)
2205
2206 static int snd_echo_suspend(struct pci_dev *pci, pm_message_t state)
2207 {
2208 struct echoaudio *chip = pci_get_drvdata(pci);
2209
2210 DE_INIT(("suspend start\n"));
2211 snd_pcm_suspend_all(chip->analog_pcm);
2212 snd_pcm_suspend_all(chip->digital_pcm);
2213
2214 #ifdef ECHOCARD_HAS_MIDI
2215 /* This call can sleep */
2216 if (chip->midi_out)
2217 snd_echo_midi_output_trigger(chip->midi_out, 0);
2218 #endif
2219 spin_lock_irq(&chip->lock);
2220 if (wait_handshake(chip)) {
2221 spin_unlock_irq(&chip->lock);
2222 return -EIO;
2223 }
2224 clear_handshake(chip);
2225 if (send_vector(chip, DSP_VC_GO_COMATOSE) < 0) {
2226 spin_unlock_irq(&chip->lock);
2227 return -EIO;
2228 }
2229 spin_unlock_irq(&chip->lock);
2230
2231 chip->dsp_code = NULL;
2232 free_irq(chip->irq, chip);
2233 chip->irq = -1;
2234 pci_save_state(pci);
2235 pci_disable_device(pci);
2236
2237 DE_INIT(("suspend done\n"));
2238 return 0;
2239 }
2240
2241
2242
2243 static int snd_echo_resume(struct pci_dev *pci)
2244 {
2245 struct echoaudio *chip = pci_get_drvdata(pci);
2246 struct comm_page *commpage, *commpage_bak;
2247 u32 pipe_alloc_mask;
2248 int err;
2249
2250 DE_INIT(("resume start\n"));
2251 pci_restore_state(pci);
2252 commpage_bak = kmalloc(sizeof(struct echoaudio), GFP_KERNEL);
2253 if (commpage_bak == NULL)
2254 return -ENOMEM;
2255 commpage = chip->comm_page;
2256 memcpy(commpage_bak, commpage, sizeof(struct comm_page));
2257
2258 err = init_hw(chip, chip->pci->device, chip->pci->subsystem_device);
2259 if (err < 0) {
2260 kfree(commpage_bak);
2261 DE_INIT(("resume init_hw err=%d\n", err));
2262 snd_echo_free(chip);
2263 return err;
2264 }
2265 DE_INIT(("resume init OK\n"));
2266
2267 /* Temporarily set chip->pipe_alloc_mask=0 otherwise
2268 * restore_dsp_settings() fails.
2269 */
2270 pipe_alloc_mask = chip->pipe_alloc_mask;
2271 chip->pipe_alloc_mask = 0;
2272 err = restore_dsp_rettings(chip);
2273 chip->pipe_alloc_mask = pipe_alloc_mask;
2274 if (err < 0) {
2275 kfree(commpage_bak);
2276 return err;
2277 }
2278 DE_INIT(("resume restore OK\n"));
2279
2280 memcpy(&commpage->audio_format, &commpage_bak->audio_format,
2281 sizeof(commpage->audio_format));
2282 memcpy(&commpage->sglist_addr, &commpage_bak->sglist_addr,
2283 sizeof(commpage->sglist_addr));
2284 memcpy(&commpage->midi_output, &commpage_bak->midi_output,
2285 sizeof(commpage->midi_output));
2286 kfree(commpage_bak);
2287
2288 if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
2289 KBUILD_MODNAME, chip)) {
2290 snd_echo_free(chip);
2291 snd_printk(KERN_ERR "cannot grab irq\n");
2292 return -EBUSY;
2293 }
2294 chip->irq = pci->irq;
2295 DE_INIT(("resume irq=%d\n", chip->irq));
2296
2297 #ifdef ECHOCARD_HAS_MIDI
2298 if (chip->midi_input_enabled)
2299 enable_midi_input(chip, TRUE);
2300 if (chip->midi_out)
2301 snd_echo_midi_output_trigger(chip->midi_out, 1);
2302 #endif
2303
2304 DE_INIT(("resume done\n"));
2305 return 0;
2306 }
2307
2308 #endif /* CONFIG_PM */
2309
2310
2311
2312 static void __devexit snd_echo_remove(struct pci_dev *pci)
2313 {
2314 struct echoaudio *chip;
2315
2316 chip = pci_get_drvdata(pci);
2317 if (chip)
2318 snd_card_free(chip->card);
2319 pci_set_drvdata(pci, NULL);
2320 }
2321
2322
2323
2324 /******************************************************************************
2325 Everything starts and ends here
2326 ******************************************************************************/
2327
2328 /* pci_driver definition */
2329 static struct pci_driver driver = {
2330 .name = KBUILD_MODNAME,
2331 .id_table = snd_echo_ids,
2332 .probe = snd_echo_probe,
2333 .remove = __devexit_p(snd_echo_remove),
2334 #ifdef CONFIG_PM
2335 .suspend = snd_echo_suspend,
2336 .resume = snd_echo_resume,
2337 #endif /* CONFIG_PM */
2338 };
2339
2340
2341
2342 /* initialization of the module */
2343 static int __init alsa_card_echo_init(void)
2344 {
2345 return pci_register_driver(&driver);
2346 }
2347
2348
2349
2350 /* clean up the module */
2351 static void __exit alsa_card_echo_exit(void)
2352 {
2353 pci_unregister_driver(&driver);
2354 }
2355
2356
2357 module_init(alsa_card_echo_init)
2358 module_exit(alsa_card_echo_exit)
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