1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * ALSA driver for Echoaudio soundcards. |
4 | * Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it> |
5 | * Copyright (C) 2020 Mark Hills <mark@xwax.org> |
6 | */ |
7 | |
8 | #include <linux/module.h> |
9 | |
10 | MODULE_AUTHOR("Giuliano Pochini <pochini@shiny.it>" ); |
11 | MODULE_LICENSE("GPL v2" ); |
12 | MODULE_DESCRIPTION("Echoaudio " ECHOCARD_NAME " soundcards driver" ); |
13 | MODULE_DEVICE_TABLE(pci, snd_echo_ids); |
14 | |
15 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; |
16 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; |
17 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
18 | |
19 | module_param_array(index, int, NULL, 0444); |
20 | MODULE_PARM_DESC(index, "Index value for " ECHOCARD_NAME " soundcard." ); |
21 | module_param_array(id, charp, NULL, 0444); |
22 | MODULE_PARM_DESC(id, "ID string for " ECHOCARD_NAME " soundcard." ); |
23 | module_param_array(enable, bool, NULL, 0444); |
24 | MODULE_PARM_DESC(enable, "Enable " ECHOCARD_NAME " soundcard." ); |
25 | |
26 | static const unsigned int channels_list[10] = {1, 2, 4, 6, 8, 10, 12, 14, 16, 999999}; |
27 | static const DECLARE_TLV_DB_SCALE(db_scale_output_gain, -12800, 100, 1); |
28 | |
29 | |
30 | |
31 | static int get_firmware(const struct firmware **fw_entry, |
32 | struct echoaudio *chip, const short fw_index) |
33 | { |
34 | int err; |
35 | char name[30]; |
36 | |
37 | #ifdef CONFIG_PM_SLEEP |
38 | if (chip->fw_cache[fw_index]) { |
39 | dev_dbg(chip->card->dev, |
40 | "firmware requested: %s is cached\n" , |
41 | card_fw[fw_index].data); |
42 | *fw_entry = chip->fw_cache[fw_index]; |
43 | return 0; |
44 | } |
45 | #endif |
46 | |
47 | dev_dbg(chip->card->dev, |
48 | "firmware requested: %s\n" , card_fw[fw_index].data); |
49 | snprintf(buf: name, size: sizeof(name), fmt: "ea/%s" , card_fw[fw_index].data); |
50 | err = request_firmware(fw: fw_entry, name, device: &chip->pci->dev); |
51 | if (err < 0) |
52 | dev_err(chip->card->dev, |
53 | "get_firmware(): Firmware not available (%d)\n" , err); |
54 | #ifdef CONFIG_PM_SLEEP |
55 | else |
56 | chip->fw_cache[fw_index] = *fw_entry; |
57 | #endif |
58 | return err; |
59 | } |
60 | |
61 | |
62 | |
63 | static void free_firmware(const struct firmware *fw_entry, |
64 | struct echoaudio *chip) |
65 | { |
66 | #ifdef CONFIG_PM_SLEEP |
67 | dev_dbg(chip->card->dev, "firmware not released (kept in cache)\n" ); |
68 | #else |
69 | release_firmware(fw_entry); |
70 | #endif |
71 | } |
72 | |
73 | |
74 | |
75 | static void free_firmware_cache(struct echoaudio *chip) |
76 | { |
77 | #ifdef CONFIG_PM_SLEEP |
78 | int i; |
79 | |
80 | for (i = 0; i < 8 ; i++) |
81 | if (chip->fw_cache[i]) { |
82 | release_firmware(fw: chip->fw_cache[i]); |
83 | dev_dbg(chip->card->dev, "release_firmware(%d)\n" , i); |
84 | } |
85 | |
86 | #endif |
87 | } |
88 | |
89 | |
90 | |
91 | /****************************************************************************** |
92 | PCM interface |
93 | ******************************************************************************/ |
94 | |
95 | static void audiopipe_free(struct snd_pcm_runtime *runtime) |
96 | { |
97 | struct audiopipe *pipe = runtime->private_data; |
98 | |
99 | if (pipe->sgpage.area) |
100 | snd_dma_free_pages(dmab: &pipe->sgpage); |
101 | kfree(objp: pipe); |
102 | } |
103 | |
104 | |
105 | |
106 | static int hw_rule_capture_format_by_channels(struct snd_pcm_hw_params *params, |
107 | struct snd_pcm_hw_rule *rule) |
108 | { |
109 | struct snd_interval *c = hw_param_interval(params, |
110 | SNDRV_PCM_HW_PARAM_CHANNELS); |
111 | struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); |
112 | struct snd_mask fmt; |
113 | |
114 | snd_mask_any(mask: &fmt); |
115 | |
116 | #ifndef ECHOCARD_HAS_STEREO_BIG_ENDIAN32 |
117 | /* >=2 channels cannot be S32_BE */ |
118 | if (c->min == 2) { |
119 | fmt.bits[0] &= ~SNDRV_PCM_FMTBIT_S32_BE; |
120 | return snd_mask_refine(mask: f, v: &fmt); |
121 | } |
122 | #endif |
123 | /* > 2 channels cannot be U8 and S32_BE */ |
124 | if (c->min > 2) { |
125 | fmt.bits[0] &= ~(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_BE); |
126 | return snd_mask_refine(mask: f, v: &fmt); |
127 | } |
128 | /* Mono is ok with any format */ |
129 | return 0; |
130 | } |
131 | |
132 | |
133 | |
134 | static int hw_rule_capture_channels_by_format(struct snd_pcm_hw_params *params, |
135 | struct snd_pcm_hw_rule *rule) |
136 | { |
137 | struct snd_interval *c = hw_param_interval(params, |
138 | SNDRV_PCM_HW_PARAM_CHANNELS); |
139 | struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); |
140 | struct snd_interval ch; |
141 | |
142 | snd_interval_any(i: &ch); |
143 | |
144 | /* S32_BE is mono (and stereo) only */ |
145 | if (f->bits[0] == SNDRV_PCM_FMTBIT_S32_BE) { |
146 | ch.min = 1; |
147 | #ifdef ECHOCARD_HAS_STEREO_BIG_ENDIAN32 |
148 | ch.max = 2; |
149 | #else |
150 | ch.max = 1; |
151 | #endif |
152 | ch.integer = 1; |
153 | return snd_interval_refine(i: c, v: &ch); |
154 | } |
155 | /* U8 can be only mono or stereo */ |
156 | if (f->bits[0] == SNDRV_PCM_FMTBIT_U8) { |
157 | ch.min = 1; |
158 | ch.max = 2; |
159 | ch.integer = 1; |
160 | return snd_interval_refine(i: c, v: &ch); |
161 | } |
162 | /* S16_LE, S24_3LE and S32_LE support any number of channels. */ |
163 | return 0; |
164 | } |
165 | |
166 | |
167 | |
168 | static int hw_rule_playback_format_by_channels(struct snd_pcm_hw_params *params, |
169 | struct snd_pcm_hw_rule *rule) |
170 | { |
171 | struct snd_interval *c = hw_param_interval(params, |
172 | SNDRV_PCM_HW_PARAM_CHANNELS); |
173 | struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); |
174 | struct snd_mask fmt; |
175 | u64 fmask; |
176 | snd_mask_any(mask: &fmt); |
177 | |
178 | fmask = fmt.bits[0] + ((u64)fmt.bits[1] << 32); |
179 | |
180 | /* >2 channels must be S16_LE, S24_3LE or S32_LE */ |
181 | if (c->min > 2) { |
182 | fmask &= SNDRV_PCM_FMTBIT_S16_LE | |
183 | SNDRV_PCM_FMTBIT_S24_3LE | |
184 | SNDRV_PCM_FMTBIT_S32_LE; |
185 | /* 1 channel must be S32_BE or S32_LE */ |
186 | } else if (c->max == 1) |
187 | fmask &= SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE; |
188 | #ifndef ECHOCARD_HAS_STEREO_BIG_ENDIAN32 |
189 | /* 2 channels cannot be S32_BE */ |
190 | else if (c->min == 2 && c->max == 2) |
191 | fmask &= ~SNDRV_PCM_FMTBIT_S32_BE; |
192 | #endif |
193 | else |
194 | return 0; |
195 | |
196 | fmt.bits[0] &= (u32)fmask; |
197 | fmt.bits[1] &= (u32)(fmask >> 32); |
198 | return snd_mask_refine(mask: f, v: &fmt); |
199 | } |
200 | |
201 | |
202 | |
203 | static int hw_rule_playback_channels_by_format(struct snd_pcm_hw_params *params, |
204 | struct snd_pcm_hw_rule *rule) |
205 | { |
206 | struct snd_interval *c = hw_param_interval(params, |
207 | SNDRV_PCM_HW_PARAM_CHANNELS); |
208 | struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); |
209 | struct snd_interval ch; |
210 | u64 fmask; |
211 | |
212 | snd_interval_any(i: &ch); |
213 | ch.integer = 1; |
214 | fmask = f->bits[0] + ((u64)f->bits[1] << 32); |
215 | |
216 | /* S32_BE is mono (and stereo) only */ |
217 | if (fmask == SNDRV_PCM_FMTBIT_S32_BE) { |
218 | ch.min = 1; |
219 | #ifdef ECHOCARD_HAS_STEREO_BIG_ENDIAN32 |
220 | ch.max = 2; |
221 | #else |
222 | ch.max = 1; |
223 | #endif |
224 | /* U8 is stereo only */ |
225 | } else if (fmask == SNDRV_PCM_FMTBIT_U8) |
226 | ch.min = ch.max = 2; |
227 | /* S16_LE and S24_3LE must be at least stereo */ |
228 | else if (!(fmask & ~(SNDRV_PCM_FMTBIT_S16_LE | |
229 | SNDRV_PCM_FMTBIT_S24_3LE))) |
230 | ch.min = 2; |
231 | else |
232 | return 0; |
233 | |
234 | return snd_interval_refine(i: c, v: &ch); |
235 | } |
236 | |
237 | |
238 | |
239 | /* Since the sample rate is a global setting, do allow the user to change the |
240 | sample rate only if there is only one pcm device open. */ |
241 | static int hw_rule_sample_rate(struct snd_pcm_hw_params *params, |
242 | struct snd_pcm_hw_rule *rule) |
243 | { |
244 | struct snd_interval *rate = hw_param_interval(params, |
245 | SNDRV_PCM_HW_PARAM_RATE); |
246 | struct echoaudio *chip = rule->private; |
247 | struct snd_interval fixed; |
248 | int err; |
249 | |
250 | mutex_lock(&chip->mode_mutex); |
251 | |
252 | if (chip->can_set_rate) { |
253 | err = 0; |
254 | } else { |
255 | snd_interval_any(i: &fixed); |
256 | fixed.min = fixed.max = chip->sample_rate; |
257 | err = snd_interval_refine(i: rate, v: &fixed); |
258 | } |
259 | |
260 | mutex_unlock(lock: &chip->mode_mutex); |
261 | return err; |
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(size: 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 | dev_dbg(chip->card->dev, "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 | err = snd_pcm_hw_constraint_list(runtime, cond: 0, |
305 | SNDRV_PCM_HW_PARAM_CHANNELS, |
306 | l: &pipe->constr); |
307 | if (err < 0) |
308 | return err; |
309 | |
310 | /* All periods should have the same size */ |
311 | err = snd_pcm_hw_constraint_integer(runtime, |
312 | SNDRV_PCM_HW_PARAM_PERIODS); |
313 | if (err < 0) |
314 | return err; |
315 | |
316 | /* The hw accesses memory in chunks 32 frames long and they should be |
317 | 32-bytes-aligned. It's not a requirement, but it seems that IRQs are |
318 | generated with a resolution of 32 frames. Thus we need the following */ |
319 | err = snd_pcm_hw_constraint_step(runtime, cond: 0, |
320 | SNDRV_PCM_HW_PARAM_PERIOD_SIZE, step: 32); |
321 | if (err < 0) |
322 | return err; |
323 | err = snd_pcm_hw_constraint_step(runtime, cond: 0, |
324 | SNDRV_PCM_HW_PARAM_BUFFER_SIZE, step: 32); |
325 | if (err < 0) |
326 | return err; |
327 | |
328 | err = snd_pcm_hw_rule_add(runtime: substream->runtime, cond: 0, |
329 | SNDRV_PCM_HW_PARAM_RATE, |
330 | func: hw_rule_sample_rate, private: chip, |
331 | SNDRV_PCM_HW_PARAM_RATE, -1); |
332 | if (err < 0) |
333 | return err; |
334 | |
335 | /* Allocate a page for the scatter-gather list */ |
336 | err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, |
337 | dev: &chip->pci->dev, |
338 | PAGE_SIZE, dmab: &pipe->sgpage); |
339 | if (err < 0) { |
340 | dev_err(chip->card->dev, "s-g list allocation failed\n" ); |
341 | return err; |
342 | } |
343 | |
344 | /* |
345 | * Sole ownership required to set the rate |
346 | */ |
347 | |
348 | dev_dbg(chip->card->dev, "pcm_open opencount=%d can_set_rate=%d, rate_set=%d" , |
349 | chip->opencount, chip->can_set_rate, chip->rate_set); |
350 | |
351 | chip->opencount++; |
352 | if (chip->opencount > 1 && chip->rate_set) |
353 | chip->can_set_rate = 0; |
354 | |
355 | return 0; |
356 | } |
357 | |
358 | |
359 | |
360 | static int pcm_analog_in_open(struct snd_pcm_substream *substream) |
361 | { |
362 | struct echoaudio *chip = snd_pcm_substream_chip(substream); |
363 | int err; |
364 | |
365 | err = pcm_open(substream, |
366 | max_channels: num_analog_busses_in(chip) - substream->number); |
367 | if (err < 0) |
368 | return err; |
369 | err = snd_pcm_hw_rule_add(runtime: substream->runtime, cond: 0, |
370 | SNDRV_PCM_HW_PARAM_CHANNELS, |
371 | func: hw_rule_capture_channels_by_format, NULL, |
372 | SNDRV_PCM_HW_PARAM_FORMAT, -1); |
373 | if (err < 0) |
374 | return err; |
375 | err = snd_pcm_hw_rule_add(runtime: substream->runtime, cond: 0, |
376 | SNDRV_PCM_HW_PARAM_FORMAT, |
377 | func: hw_rule_capture_format_by_channels, NULL, |
378 | SNDRV_PCM_HW_PARAM_CHANNELS, -1); |
379 | if (err < 0) |
380 | return err; |
381 | |
382 | return 0; |
383 | } |
384 | |
385 | |
386 | |
387 | static int pcm_analog_out_open(struct snd_pcm_substream *substream) |
388 | { |
389 | struct echoaudio *chip = snd_pcm_substream_chip(substream); |
390 | int max_channels, err; |
391 | |
392 | #ifdef ECHOCARD_HAS_VMIXER |
393 | max_channels = num_pipes_out(chip); |
394 | #else |
395 | max_channels = num_analog_busses_out(chip); |
396 | #endif |
397 | err = pcm_open(substream, max_channels: max_channels - substream->number); |
398 | if (err < 0) |
399 | return err; |
400 | err = snd_pcm_hw_rule_add(runtime: substream->runtime, cond: 0, |
401 | SNDRV_PCM_HW_PARAM_CHANNELS, |
402 | func: hw_rule_playback_channels_by_format, |
403 | NULL, |
404 | SNDRV_PCM_HW_PARAM_FORMAT, -1); |
405 | if (err < 0) |
406 | return err; |
407 | err = snd_pcm_hw_rule_add(runtime: substream->runtime, cond: 0, |
408 | SNDRV_PCM_HW_PARAM_FORMAT, |
409 | func: hw_rule_playback_format_by_channels, |
410 | NULL, |
411 | SNDRV_PCM_HW_PARAM_CHANNELS, -1); |
412 | if (err < 0) |
413 | return err; |
414 | |
415 | return 0; |
416 | } |
417 | |
418 | |
419 | |
420 | #ifdef ECHOCARD_HAS_DIGITAL_IO |
421 | |
422 | static int pcm_digital_in_open(struct snd_pcm_substream *substream) |
423 | { |
424 | struct echoaudio *chip = snd_pcm_substream_chip(substream); |
425 | int err, max_channels; |
426 | |
427 | max_channels = num_digital_busses_in(chip) - substream->number; |
428 | mutex_lock(&chip->mode_mutex); |
429 | if (chip->digital_mode == DIGITAL_MODE_ADAT) |
430 | err = pcm_open(substream, max_channels); |
431 | else /* If the card has ADAT, subtract the 6 channels |
432 | * that S/PDIF doesn't have |
433 | */ |
434 | err = pcm_open(substream, max_channels - ECHOCARD_HAS_ADAT); |
435 | |
436 | if (err < 0) |
437 | goto din_exit; |
438 | |
439 | err = snd_pcm_hw_rule_add(substream->runtime, 0, |
440 | SNDRV_PCM_HW_PARAM_CHANNELS, |
441 | hw_rule_capture_channels_by_format, NULL, |
442 | SNDRV_PCM_HW_PARAM_FORMAT, -1); |
443 | if (err < 0) |
444 | goto din_exit; |
445 | err = snd_pcm_hw_rule_add(substream->runtime, 0, |
446 | SNDRV_PCM_HW_PARAM_FORMAT, |
447 | hw_rule_capture_format_by_channels, NULL, |
448 | SNDRV_PCM_HW_PARAM_CHANNELS, -1); |
449 | if (err < 0) |
450 | goto din_exit; |
451 | |
452 | din_exit: |
453 | mutex_unlock(&chip->mode_mutex); |
454 | return err; |
455 | } |
456 | |
457 | |
458 | |
459 | #ifndef ECHOCARD_HAS_VMIXER /* See the note in snd_echo_new_pcm() */ |
460 | |
461 | static int pcm_digital_out_open(struct snd_pcm_substream *substream) |
462 | { |
463 | struct echoaudio *chip = snd_pcm_substream_chip(substream); |
464 | int err, max_channels; |
465 | |
466 | max_channels = num_digital_busses_out(chip) - substream->number; |
467 | mutex_lock(&chip->mode_mutex); |
468 | if (chip->digital_mode == DIGITAL_MODE_ADAT) |
469 | err = pcm_open(substream, max_channels); |
470 | else /* If the card has ADAT, subtract the 6 channels |
471 | * that S/PDIF doesn't have |
472 | */ |
473 | err = pcm_open(substream, max_channels - ECHOCARD_HAS_ADAT); |
474 | |
475 | if (err < 0) |
476 | goto dout_exit; |
477 | |
478 | err = snd_pcm_hw_rule_add(substream->runtime, 0, |
479 | SNDRV_PCM_HW_PARAM_CHANNELS, |
480 | hw_rule_playback_channels_by_format, |
481 | NULL, SNDRV_PCM_HW_PARAM_FORMAT, |
482 | -1); |
483 | if (err < 0) |
484 | goto dout_exit; |
485 | err = snd_pcm_hw_rule_add(substream->runtime, 0, |
486 | SNDRV_PCM_HW_PARAM_FORMAT, |
487 | hw_rule_playback_format_by_channels, |
488 | NULL, SNDRV_PCM_HW_PARAM_CHANNELS, |
489 | -1); |
490 | if (err < 0) |
491 | goto dout_exit; |
492 | |
493 | dout_exit: |
494 | mutex_unlock(&chip->mode_mutex); |
495 | return err; |
496 | } |
497 | |
498 | #endif /* !ECHOCARD_HAS_VMIXER */ |
499 | |
500 | #endif /* ECHOCARD_HAS_DIGITAL_IO */ |
501 | |
502 | |
503 | |
504 | static int pcm_close(struct snd_pcm_substream *substream) |
505 | { |
506 | struct echoaudio *chip = snd_pcm_substream_chip(substream); |
507 | |
508 | /* Nothing to do here. Audio is already off and pipe will be |
509 | * freed by its callback |
510 | */ |
511 | |
512 | mutex_lock(&chip->mode_mutex); |
513 | |
514 | dev_dbg(chip->card->dev, "pcm_open opencount=%d can_set_rate=%d, rate_set=%d" , |
515 | chip->opencount, chip->can_set_rate, chip->rate_set); |
516 | |
517 | chip->opencount--; |
518 | |
519 | switch (chip->opencount) { |
520 | case 1: |
521 | chip->can_set_rate = 1; |
522 | break; |
523 | |
524 | case 0: |
525 | chip->rate_set = 0; |
526 | break; |
527 | } |
528 | |
529 | mutex_unlock(lock: &chip->mode_mutex); |
530 | return 0; |
531 | } |
532 | |
533 | |
534 | |
535 | /* Channel allocation and scatter-gather list setup */ |
536 | static int init_engine(struct snd_pcm_substream *substream, |
537 | struct snd_pcm_hw_params *hw_params, |
538 | int pipe_index, int interleave) |
539 | { |
540 | struct echoaudio *chip; |
541 | int err, per, rest, page, edge, offs; |
542 | struct audiopipe *pipe; |
543 | |
544 | chip = snd_pcm_substream_chip(substream); |
545 | pipe = (struct audiopipe *) substream->runtime->private_data; |
546 | |
547 | /* Sets up che hardware. If it's already initialized, reset and |
548 | * redo with the new parameters |
549 | */ |
550 | spin_lock_irq(lock: &chip->lock); |
551 | if (pipe->index >= 0) { |
552 | dev_dbg(chip->card->dev, "hwp_ie free(%d)\n" , pipe->index); |
553 | err = free_pipes(chip, pipe); |
554 | snd_BUG_ON(err); |
555 | chip->substream[pipe->index] = NULL; |
556 | } |
557 | |
558 | err = allocate_pipes(chip, pipe, pipe_index, interleave); |
559 | if (err < 0) { |
560 | spin_unlock_irq(lock: &chip->lock); |
561 | dev_err(chip->card->dev, "allocate_pipes(%d) err=%d\n" , |
562 | pipe_index, err); |
563 | return err; |
564 | } |
565 | spin_unlock_irq(lock: &chip->lock); |
566 | dev_dbg(chip->card->dev, "allocate_pipes()=%d\n" , pipe_index); |
567 | |
568 | dev_dbg(chip->card->dev, |
569 | "pcm_hw_params (bufsize=%dB periods=%d persize=%dB)\n" , |
570 | params_buffer_bytes(hw_params), params_periods(hw_params), |
571 | params_period_bytes(hw_params)); |
572 | |
573 | sglist_init(chip, pipe); |
574 | edge = PAGE_SIZE; |
575 | for (offs = page = per = 0; offs < params_buffer_bytes(p: hw_params); |
576 | per++) { |
577 | rest = params_period_bytes(p: hw_params); |
578 | if (offs + rest > params_buffer_bytes(p: hw_params)) |
579 | rest = params_buffer_bytes(p: hw_params) - offs; |
580 | while (rest) { |
581 | dma_addr_t addr; |
582 | addr = snd_pcm_sgbuf_get_addr(substream, ofs: offs); |
583 | if (rest <= edge - offs) { |
584 | sglist_add_mapping(chip, pipe, address: addr, length: rest); |
585 | sglist_add_irq(chip, pipe); |
586 | offs += rest; |
587 | rest = 0; |
588 | } else { |
589 | sglist_add_mapping(chip, pipe, address: addr, |
590 | length: edge - offs); |
591 | rest -= edge - offs; |
592 | offs = edge; |
593 | } |
594 | if (offs == edge) { |
595 | edge += PAGE_SIZE; |
596 | page++; |
597 | } |
598 | } |
599 | } |
600 | |
601 | /* Close the ring buffer */ |
602 | sglist_wrap(chip, pipe); |
603 | |
604 | /* This stuff is used by the irq handler, so it must be |
605 | * initialized before chip->substream |
606 | */ |
607 | pipe->last_period = 0; |
608 | pipe->last_counter = 0; |
609 | pipe->position = 0; |
610 | smp_wmb(); |
611 | chip->substream[pipe_index] = substream; |
612 | chip->rate_set = 1; |
613 | spin_lock_irq(lock: &chip->lock); |
614 | set_sample_rate(chip, rate: hw_params->rate_num / hw_params->rate_den); |
615 | spin_unlock_irq(lock: &chip->lock); |
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, pipe_index: px_analog_in(chip) + |
627 | substream->number, interleave: params_channels(p: 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, pipe_index: substream->number, |
636 | interleave: params_channels(p: 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(lock: &chip->lock); |
678 | if (pipe->index >= 0) { |
679 | dev_dbg(chip->card->dev, "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(lock: &chip->lock); |
685 | |
686 | return 0; |
687 | } |
688 | |
689 | |
690 | |
691 | static int pcm_prepare(struct snd_pcm_substream *substream) |
692 | { |
693 | struct echoaudio *chip = snd_pcm_substream_chip(substream); |
694 | struct snd_pcm_runtime *runtime = substream->runtime; |
695 | struct audioformat format; |
696 | int pipe_index = ((struct audiopipe *)runtime->private_data)->index; |
697 | |
698 | dev_dbg(chip->card->dev, "Prepare rate=%d format=%d channels=%d\n" , |
699 | runtime->rate, runtime->format, runtime->channels); |
700 | format.interleave = runtime->channels; |
701 | format.data_are_bigendian = 0; |
702 | format.mono_to_stereo = 0; |
703 | switch (runtime->format) { |
704 | case SNDRV_PCM_FORMAT_U8: |
705 | format.bits_per_sample = 8; |
706 | break; |
707 | case SNDRV_PCM_FORMAT_S16_LE: |
708 | format.bits_per_sample = 16; |
709 | break; |
710 | case SNDRV_PCM_FORMAT_S24_3LE: |
711 | format.bits_per_sample = 24; |
712 | break; |
713 | case SNDRV_PCM_FORMAT_S32_BE: |
714 | format.data_are_bigendian = 1; |
715 | fallthrough; |
716 | case SNDRV_PCM_FORMAT_S32_LE: |
717 | format.bits_per_sample = 32; |
718 | break; |
719 | default: |
720 | dev_err(chip->card->dev, |
721 | "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 | |
729 | /* |
730 | * We passed checks we can do independently; now take |
731 | * exclusive control |
732 | */ |
733 | |
734 | spin_lock_irq(lock: &chip->lock); |
735 | |
736 | if (snd_BUG_ON(!is_pipe_allocated(chip, pipe_index))) { |
737 | spin_unlock_irq(lock: &chip->lock); |
738 | return -EINVAL; |
739 | } |
740 | |
741 | set_audio_format(chip, pipe_index, format: &format); |
742 | spin_unlock_irq(lock: &chip->lock); |
743 | |
744 | return 0; |
745 | } |
746 | |
747 | |
748 | |
749 | static int pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
750 | { |
751 | struct echoaudio *chip = snd_pcm_substream_chip(substream); |
752 | struct audiopipe *pipe; |
753 | int i, err; |
754 | u32 channelmask = 0; |
755 | struct snd_pcm_substream *s; |
756 | |
757 | snd_pcm_group_for_each_entry(s, substream) { |
758 | for (i = 0; i < DSP_MAXPIPES; i++) { |
759 | if (s == chip->substream[i]) { |
760 | channelmask |= 1 << i; |
761 | snd_pcm_trigger_done(substream: s, master: substream); |
762 | } |
763 | } |
764 | } |
765 | |
766 | spin_lock(lock: &chip->lock); |
767 | switch (cmd) { |
768 | case SNDRV_PCM_TRIGGER_RESUME: |
769 | case SNDRV_PCM_TRIGGER_START: |
770 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
771 | for (i = 0; i < DSP_MAXPIPES; i++) { |
772 | if (channelmask & (1 << i)) { |
773 | pipe = chip->substream[i]->runtime->private_data; |
774 | switch (pipe->state) { |
775 | case PIPE_STATE_STOPPED: |
776 | pipe->last_period = 0; |
777 | pipe->last_counter = 0; |
778 | pipe->position = 0; |
779 | *pipe->dma_counter = 0; |
780 | fallthrough; |
781 | case PIPE_STATE_PAUSED: |
782 | pipe->state = PIPE_STATE_STARTED; |
783 | break; |
784 | case PIPE_STATE_STARTED: |
785 | break; |
786 | } |
787 | } |
788 | } |
789 | err = start_transport(chip, channel_mask: channelmask, |
790 | cyclic_mask: chip->pipe_cyclic_mask); |
791 | break; |
792 | case SNDRV_PCM_TRIGGER_SUSPEND: |
793 | case SNDRV_PCM_TRIGGER_STOP: |
794 | for (i = 0; i < DSP_MAXPIPES; i++) { |
795 | if (channelmask & (1 << i)) { |
796 | pipe = chip->substream[i]->runtime->private_data; |
797 | pipe->state = PIPE_STATE_STOPPED; |
798 | } |
799 | } |
800 | err = stop_transport(chip, channel_mask: channelmask); |
801 | break; |
802 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
803 | for (i = 0; i < DSP_MAXPIPES; i++) { |
804 | if (channelmask & (1 << i)) { |
805 | pipe = chip->substream[i]->runtime->private_data; |
806 | pipe->state = PIPE_STATE_PAUSED; |
807 | } |
808 | } |
809 | err = pause_transport(chip, channel_mask: channelmask); |
810 | break; |
811 | default: |
812 | err = -EINVAL; |
813 | } |
814 | spin_unlock(lock: &chip->lock); |
815 | return err; |
816 | } |
817 | |
818 | |
819 | |
820 | static snd_pcm_uframes_t pcm_pointer(struct snd_pcm_substream *substream) |
821 | { |
822 | struct snd_pcm_runtime *runtime = substream->runtime; |
823 | struct audiopipe *pipe = runtime->private_data; |
824 | u32 counter, step; |
825 | |
826 | /* |
827 | * IRQ handling runs concurrently. Do not share tracking of |
828 | * counter with it, which would race or require locking |
829 | */ |
830 | |
831 | counter = le32_to_cpu(*pipe->dma_counter); /* presumed atomic */ |
832 | |
833 | step = counter - pipe->last_counter; /* handles wrapping */ |
834 | pipe->last_counter = counter; |
835 | |
836 | /* counter doesn't neccessarily wrap on a multiple of |
837 | * buffer_size, so can't derive the position; must |
838 | * accumulate */ |
839 | |
840 | pipe->position += step; |
841 | pipe->position %= frames_to_bytes(runtime, size: runtime->buffer_size); /* wrap */ |
842 | |
843 | return bytes_to_frames(runtime, size: pipe->position); |
844 | } |
845 | |
846 | |
847 | |
848 | /* pcm *_ops structures */ |
849 | static const struct snd_pcm_ops analog_playback_ops = { |
850 | .open = pcm_analog_out_open, |
851 | .close = pcm_close, |
852 | .hw_params = pcm_analog_out_hw_params, |
853 | .hw_free = pcm_hw_free, |
854 | .prepare = pcm_prepare, |
855 | .trigger = pcm_trigger, |
856 | .pointer = pcm_pointer, |
857 | }; |
858 | static const struct snd_pcm_ops analog_capture_ops = { |
859 | .open = pcm_analog_in_open, |
860 | .close = pcm_close, |
861 | .hw_params = pcm_analog_in_hw_params, |
862 | .hw_free = pcm_hw_free, |
863 | .prepare = pcm_prepare, |
864 | .trigger = pcm_trigger, |
865 | .pointer = pcm_pointer, |
866 | }; |
867 | #ifdef ECHOCARD_HAS_DIGITAL_IO |
868 | #ifndef ECHOCARD_HAS_VMIXER |
869 | static const struct snd_pcm_ops digital_playback_ops = { |
870 | .open = pcm_digital_out_open, |
871 | .close = pcm_close, |
872 | .hw_params = pcm_digital_out_hw_params, |
873 | .hw_free = pcm_hw_free, |
874 | .prepare = pcm_prepare, |
875 | .trigger = pcm_trigger, |
876 | .pointer = pcm_pointer, |
877 | }; |
878 | #endif /* !ECHOCARD_HAS_VMIXER */ |
879 | static const struct snd_pcm_ops digital_capture_ops = { |
880 | .open = pcm_digital_in_open, |
881 | .close = pcm_close, |
882 | .hw_params = pcm_digital_in_hw_params, |
883 | .hw_free = pcm_hw_free, |
884 | .prepare = pcm_prepare, |
885 | .trigger = pcm_trigger, |
886 | .pointer = pcm_pointer, |
887 | }; |
888 | #endif /* ECHOCARD_HAS_DIGITAL_IO */ |
889 | |
890 | |
891 | |
892 | /* Preallocate memory only for the first substream because it's the most |
893 | * used one |
894 | */ |
895 | static void snd_echo_preallocate_pages(struct snd_pcm *pcm, struct device *dev) |
896 | { |
897 | struct snd_pcm_substream *ss; |
898 | int stream; |
899 | |
900 | for (stream = 0; stream < 2; stream++) |
901 | for (ss = pcm->streams[stream].substream; ss; ss = ss->next) |
902 | snd_pcm_set_managed_buffer(substream: ss, SNDRV_DMA_TYPE_DEV_SG, |
903 | data: dev, |
904 | size: ss->number ? 0 : 128<<10, |
905 | max: 256<<10); |
906 | } |
907 | |
908 | |
909 | |
910 | /*<--snd_echo_probe() */ |
911 | static int snd_echo_new_pcm(struct echoaudio *chip) |
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 | err = snd_pcm_new(chip->card, "PCM" , 0, num_pipes_out(chip), |
925 | num_analog_busses_in(chip), &pcm); |
926 | if (err < 0) |
927 | return err; |
928 | pcm->private_data = chip; |
929 | chip->analog_pcm = pcm; |
930 | strcpy(pcm->name, chip->card->shortname); |
931 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &analog_playback_ops); |
932 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &analog_capture_ops); |
933 | snd_echo_preallocate_pages(pcm, &chip->pci->dev); |
934 | |
935 | #ifdef ECHOCARD_HAS_DIGITAL_IO |
936 | /* PCM#1 Digital inputs, no outputs */ |
937 | err = snd_pcm_new(chip->card, "Digital PCM" , 1, 0, |
938 | num_digital_busses_in(chip), &pcm); |
939 | if (err < 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 | snd_echo_preallocate_pages(pcm, &chip->pci->dev); |
946 | #endif /* ECHOCARD_HAS_DIGITAL_IO */ |
947 | |
948 | #else /* ECHOCARD_HAS_VMIXER */ |
949 | |
950 | /* The card can manage substreams formed by analog and digital channels |
951 | at the same time, but I prefer to keep analog and digital channels |
952 | separated, because that mixed thing is confusing and useless. So we |
953 | register two PCM devices: */ |
954 | |
955 | /* PCM#0 Analog i/o */ |
956 | err = snd_pcm_new(card: chip->card, id: "Analog PCM" , device: 0, |
957 | playback_count: num_analog_busses_out(chip), |
958 | capture_count: num_analog_busses_in(chip), rpcm: &pcm); |
959 | if (err < 0) |
960 | return err; |
961 | pcm->private_data = chip; |
962 | chip->analog_pcm = pcm; |
963 | strcpy(p: pcm->name, q: chip->card->shortname); |
964 | snd_pcm_set_ops(pcm, direction: SNDRV_PCM_STREAM_PLAYBACK, ops: &analog_playback_ops); |
965 | snd_pcm_set_ops(pcm, direction: SNDRV_PCM_STREAM_CAPTURE, ops: &analog_capture_ops); |
966 | snd_echo_preallocate_pages(pcm, dev: &chip->pci->dev); |
967 | |
968 | #ifdef ECHOCARD_HAS_DIGITAL_IO |
969 | /* PCM#1 Digital i/o */ |
970 | err = snd_pcm_new(chip->card, "Digital PCM" , 1, |
971 | num_digital_busses_out(chip), |
972 | num_digital_busses_in(chip), &pcm); |
973 | if (err < 0) |
974 | return err; |
975 | pcm->private_data = chip; |
976 | chip->digital_pcm = pcm; |
977 | strcpy(pcm->name, chip->card->shortname); |
978 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &digital_playback_ops); |
979 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &digital_capture_ops); |
980 | snd_echo_preallocate_pages(pcm, &chip->pci->dev); |
981 | #endif /* ECHOCARD_HAS_DIGITAL_IO */ |
982 | |
983 | #endif /* ECHOCARD_HAS_VMIXER */ |
984 | |
985 | return 0; |
986 | } |
987 | |
988 | |
989 | |
990 | |
991 | /****************************************************************************** |
992 | Control interface |
993 | ******************************************************************************/ |
994 | |
995 | #if !defined(ECHOCARD_HAS_VMIXER) || defined(ECHOCARD_HAS_LINE_OUT_GAIN) |
996 | |
997 | /******************* PCM output volume *******************/ |
998 | static int snd_echo_output_gain_info(struct snd_kcontrol *kcontrol, |
999 | struct snd_ctl_elem_info *uinfo) |
1000 | { |
1001 | struct echoaudio *chip; |
1002 | |
1003 | chip = snd_kcontrol_chip(kcontrol); |
1004 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
1005 | uinfo->count = num_busses_out(chip); |
1006 | uinfo->value.integer.min = ECHOGAIN_MINOUT; |
1007 | uinfo->value.integer.max = ECHOGAIN_MAXOUT; |
1008 | return 0; |
1009 | } |
1010 | |
1011 | static int snd_echo_output_gain_get(struct snd_kcontrol *kcontrol, |
1012 | struct snd_ctl_elem_value *ucontrol) |
1013 | { |
1014 | struct echoaudio *chip; |
1015 | int c; |
1016 | |
1017 | chip = snd_kcontrol_chip(kcontrol); |
1018 | for (c = 0; c < num_busses_out(chip); c++) |
1019 | ucontrol->value.integer.value[c] = chip->output_gain[c]; |
1020 | return 0; |
1021 | } |
1022 | |
1023 | static int snd_echo_output_gain_put(struct snd_kcontrol *kcontrol, |
1024 | struct snd_ctl_elem_value *ucontrol) |
1025 | { |
1026 | struct echoaudio *chip; |
1027 | int c, changed, gain; |
1028 | |
1029 | changed = 0; |
1030 | chip = snd_kcontrol_chip(kcontrol); |
1031 | spin_lock_irq(lock: &chip->lock); |
1032 | for (c = 0; c < num_busses_out(chip); c++) { |
1033 | gain = ucontrol->value.integer.value[c]; |
1034 | /* Ignore out of range values */ |
1035 | if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT) |
1036 | continue; |
1037 | if (chip->output_gain[c] != gain) { |
1038 | set_output_gain(chip, channel: c, gain); |
1039 | changed = 1; |
1040 | } |
1041 | } |
1042 | if (changed) |
1043 | update_output_line_level(chip); |
1044 | spin_unlock_irq(lock: &chip->lock); |
1045 | return changed; |
1046 | } |
1047 | |
1048 | #ifdef ECHOCARD_HAS_LINE_OUT_GAIN |
1049 | /* On the Mia this one controls the line-out volume */ |
1050 | static const struct snd_kcontrol_new snd_echo_line_output_gain = { |
1051 | .name = "Line Playback Volume" , |
1052 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1053 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | |
1054 | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
1055 | .info = snd_echo_output_gain_info, |
1056 | .get = snd_echo_output_gain_get, |
1057 | .put = snd_echo_output_gain_put, |
1058 | .tlv = {.p = db_scale_output_gain}, |
1059 | }; |
1060 | #else |
1061 | static const struct snd_kcontrol_new snd_echo_pcm_output_gain = { |
1062 | .name = "PCM Playback Volume" , |
1063 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1064 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
1065 | .info = snd_echo_output_gain_info, |
1066 | .get = snd_echo_output_gain_get, |
1067 | .put = snd_echo_output_gain_put, |
1068 | .tlv = {.p = db_scale_output_gain}, |
1069 | }; |
1070 | #endif |
1071 | |
1072 | #endif /* !ECHOCARD_HAS_VMIXER || ECHOCARD_HAS_LINE_OUT_GAIN */ |
1073 | |
1074 | |
1075 | |
1076 | #ifdef ECHOCARD_HAS_INPUT_GAIN |
1077 | |
1078 | /******************* Analog input volume *******************/ |
1079 | static int snd_echo_input_gain_info(struct snd_kcontrol *kcontrol, |
1080 | struct snd_ctl_elem_info *uinfo) |
1081 | { |
1082 | struct echoaudio *chip; |
1083 | |
1084 | chip = snd_kcontrol_chip(kcontrol); |
1085 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
1086 | uinfo->count = num_analog_busses_in(chip); |
1087 | uinfo->value.integer.min = ECHOGAIN_MININP; |
1088 | uinfo->value.integer.max = ECHOGAIN_MAXINP; |
1089 | return 0; |
1090 | } |
1091 | |
1092 | static int snd_echo_input_gain_get(struct snd_kcontrol *kcontrol, |
1093 | struct snd_ctl_elem_value *ucontrol) |
1094 | { |
1095 | struct echoaudio *chip; |
1096 | int c; |
1097 | |
1098 | chip = snd_kcontrol_chip(kcontrol); |
1099 | for (c = 0; c < num_analog_busses_in(chip); c++) |
1100 | ucontrol->value.integer.value[c] = chip->input_gain[c]; |
1101 | return 0; |
1102 | } |
1103 | |
1104 | static int snd_echo_input_gain_put(struct snd_kcontrol *kcontrol, |
1105 | struct snd_ctl_elem_value *ucontrol) |
1106 | { |
1107 | struct echoaudio *chip; |
1108 | int c, gain, changed; |
1109 | |
1110 | changed = 0; |
1111 | chip = snd_kcontrol_chip(kcontrol); |
1112 | spin_lock_irq(&chip->lock); |
1113 | for (c = 0; c < num_analog_busses_in(chip); c++) { |
1114 | gain = ucontrol->value.integer.value[c]; |
1115 | /* Ignore out of range values */ |
1116 | if (gain < ECHOGAIN_MININP || gain > ECHOGAIN_MAXINP) |
1117 | continue; |
1118 | if (chip->input_gain[c] != gain) { |
1119 | set_input_gain(chip, c, gain); |
1120 | changed = 1; |
1121 | } |
1122 | } |
1123 | if (changed) |
1124 | update_input_line_level(chip); |
1125 | spin_unlock_irq(&chip->lock); |
1126 | return changed; |
1127 | } |
1128 | |
1129 | static const DECLARE_TLV_DB_SCALE(db_scale_input_gain, -2500, 50, 0); |
1130 | |
1131 | static const struct snd_kcontrol_new snd_echo_line_input_gain = { |
1132 | .name = "Line Capture Volume" , |
1133 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1134 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
1135 | .info = snd_echo_input_gain_info, |
1136 | .get = snd_echo_input_gain_get, |
1137 | .put = snd_echo_input_gain_put, |
1138 | .tlv = {.p = db_scale_input_gain}, |
1139 | }; |
1140 | |
1141 | #endif /* ECHOCARD_HAS_INPUT_GAIN */ |
1142 | |
1143 | |
1144 | |
1145 | #ifdef ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL |
1146 | |
1147 | /************ Analog output nominal level (+4dBu / -10dBV) ***************/ |
1148 | static int snd_echo_output_nominal_info (struct snd_kcontrol *kcontrol, |
1149 | struct snd_ctl_elem_info *uinfo) |
1150 | { |
1151 | struct echoaudio *chip; |
1152 | |
1153 | chip = snd_kcontrol_chip(kcontrol); |
1154 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
1155 | uinfo->count = num_analog_busses_out(chip); |
1156 | uinfo->value.integer.min = 0; |
1157 | uinfo->value.integer.max = 1; |
1158 | return 0; |
1159 | } |
1160 | |
1161 | static int snd_echo_output_nominal_get(struct snd_kcontrol *kcontrol, |
1162 | struct snd_ctl_elem_value *ucontrol) |
1163 | { |
1164 | struct echoaudio *chip; |
1165 | int c; |
1166 | |
1167 | chip = snd_kcontrol_chip(kcontrol); |
1168 | for (c = 0; c < num_analog_busses_out(chip); c++) |
1169 | ucontrol->value.integer.value[c] = chip->nominal_level[c]; |
1170 | return 0; |
1171 | } |
1172 | |
1173 | static int snd_echo_output_nominal_put(struct snd_kcontrol *kcontrol, |
1174 | struct snd_ctl_elem_value *ucontrol) |
1175 | { |
1176 | struct echoaudio *chip; |
1177 | int c, changed; |
1178 | |
1179 | changed = 0; |
1180 | chip = snd_kcontrol_chip(kcontrol); |
1181 | spin_lock_irq(&chip->lock); |
1182 | for (c = 0; c < num_analog_busses_out(chip); c++) { |
1183 | if (chip->nominal_level[c] != ucontrol->value.integer.value[c]) { |
1184 | set_nominal_level(chip, c, |
1185 | ucontrol->value.integer.value[c]); |
1186 | changed = 1; |
1187 | } |
1188 | } |
1189 | if (changed) |
1190 | update_output_line_level(chip); |
1191 | spin_unlock_irq(&chip->lock); |
1192 | return changed; |
1193 | } |
1194 | |
1195 | static const struct snd_kcontrol_new snd_echo_output_nominal_level = { |
1196 | .name = "Line Playback Switch (-10dBV)" , |
1197 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1198 | .info = snd_echo_output_nominal_info, |
1199 | .get = snd_echo_output_nominal_get, |
1200 | .put = snd_echo_output_nominal_put, |
1201 | }; |
1202 | |
1203 | #endif /* ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL */ |
1204 | |
1205 | |
1206 | |
1207 | #ifdef ECHOCARD_HAS_INPUT_NOMINAL_LEVEL |
1208 | |
1209 | /*************** Analog input nominal level (+4dBu / -10dBV) ***************/ |
1210 | static int snd_echo_input_nominal_info(struct snd_kcontrol *kcontrol, |
1211 | struct snd_ctl_elem_info *uinfo) |
1212 | { |
1213 | struct echoaudio *chip; |
1214 | |
1215 | chip = snd_kcontrol_chip(kcontrol); |
1216 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
1217 | uinfo->count = num_analog_busses_in(chip); |
1218 | uinfo->value.integer.min = 0; |
1219 | uinfo->value.integer.max = 1; |
1220 | return 0; |
1221 | } |
1222 | |
1223 | static int snd_echo_input_nominal_get(struct snd_kcontrol *kcontrol, |
1224 | struct snd_ctl_elem_value *ucontrol) |
1225 | { |
1226 | struct echoaudio *chip; |
1227 | int c; |
1228 | |
1229 | chip = snd_kcontrol_chip(kcontrol); |
1230 | for (c = 0; c < num_analog_busses_in(chip); c++) |
1231 | ucontrol->value.integer.value[c] = |
1232 | chip->nominal_level[bx_analog_in(chip) + c]; |
1233 | return 0; |
1234 | } |
1235 | |
1236 | static int snd_echo_input_nominal_put(struct snd_kcontrol *kcontrol, |
1237 | struct snd_ctl_elem_value *ucontrol) |
1238 | { |
1239 | struct echoaudio *chip; |
1240 | int c, changed; |
1241 | |
1242 | changed = 0; |
1243 | chip = snd_kcontrol_chip(kcontrol); |
1244 | spin_lock_irq(&chip->lock); |
1245 | for (c = 0; c < num_analog_busses_in(chip); c++) { |
1246 | if (chip->nominal_level[bx_analog_in(chip) + c] != |
1247 | ucontrol->value.integer.value[c]) { |
1248 | set_nominal_level(chip, bx_analog_in(chip) + c, |
1249 | ucontrol->value.integer.value[c]); |
1250 | changed = 1; |
1251 | } |
1252 | } |
1253 | if (changed) |
1254 | update_output_line_level(chip); /* "Output" is not a mistake |
1255 | * here. |
1256 | */ |
1257 | spin_unlock_irq(&chip->lock); |
1258 | return changed; |
1259 | } |
1260 | |
1261 | static const struct snd_kcontrol_new snd_echo_intput_nominal_level = { |
1262 | .name = "Line Capture Switch (-10dBV)" , |
1263 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1264 | .info = snd_echo_input_nominal_info, |
1265 | .get = snd_echo_input_nominal_get, |
1266 | .put = snd_echo_input_nominal_put, |
1267 | }; |
1268 | |
1269 | #endif /* ECHOCARD_HAS_INPUT_NOMINAL_LEVEL */ |
1270 | |
1271 | |
1272 | |
1273 | #ifdef ECHOCARD_HAS_MONITOR |
1274 | |
1275 | /******************* Monitor mixer *******************/ |
1276 | static int snd_echo_mixer_info(struct snd_kcontrol *kcontrol, |
1277 | struct snd_ctl_elem_info *uinfo) |
1278 | { |
1279 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
1280 | uinfo->count = 1; |
1281 | uinfo->value.integer.min = ECHOGAIN_MINOUT; |
1282 | uinfo->value.integer.max = ECHOGAIN_MAXOUT; |
1283 | return 0; |
1284 | } |
1285 | |
1286 | static int snd_echo_mixer_get(struct snd_kcontrol *kcontrol, |
1287 | struct snd_ctl_elem_value *ucontrol) |
1288 | { |
1289 | struct echoaudio *chip = snd_kcontrol_chip(kcontrol); |
1290 | unsigned int out = ucontrol->id.index / num_busses_in(chip); |
1291 | unsigned int in = ucontrol->id.index % num_busses_in(chip); |
1292 | |
1293 | if (out >= ECHO_MAXAUDIOOUTPUTS || in >= ECHO_MAXAUDIOINPUTS) |
1294 | return -EINVAL; |
1295 | |
1296 | ucontrol->value.integer.value[0] = chip->monitor_gain[out][in]; |
1297 | return 0; |
1298 | } |
1299 | |
1300 | static int snd_echo_mixer_put(struct snd_kcontrol *kcontrol, |
1301 | struct snd_ctl_elem_value *ucontrol) |
1302 | { |
1303 | struct echoaudio *chip; |
1304 | int changed, gain; |
1305 | unsigned int out, in; |
1306 | |
1307 | changed = 0; |
1308 | chip = snd_kcontrol_chip(kcontrol); |
1309 | out = ucontrol->id.index / num_busses_in(chip); |
1310 | in = ucontrol->id.index % num_busses_in(chip); |
1311 | if (out >= ECHO_MAXAUDIOOUTPUTS || in >= ECHO_MAXAUDIOINPUTS) |
1312 | return -EINVAL; |
1313 | gain = ucontrol->value.integer.value[0]; |
1314 | if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT) |
1315 | return -EINVAL; |
1316 | if (chip->monitor_gain[out][in] != gain) { |
1317 | spin_lock_irq(lock: &chip->lock); |
1318 | set_monitor_gain(chip, output: out, input: in, gain); |
1319 | update_output_line_level(chip); |
1320 | spin_unlock_irq(lock: &chip->lock); |
1321 | changed = 1; |
1322 | } |
1323 | return changed; |
1324 | } |
1325 | |
1326 | static struct snd_kcontrol_new snd_echo_monitor_mixer = { |
1327 | .name = "Monitor Mixer Volume" , |
1328 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1329 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
1330 | .info = snd_echo_mixer_info, |
1331 | .get = snd_echo_mixer_get, |
1332 | .put = snd_echo_mixer_put, |
1333 | .tlv = {.p = db_scale_output_gain}, |
1334 | }; |
1335 | |
1336 | #endif /* ECHOCARD_HAS_MONITOR */ |
1337 | |
1338 | |
1339 | |
1340 | #ifdef ECHOCARD_HAS_VMIXER |
1341 | |
1342 | /******************* Vmixer *******************/ |
1343 | static int snd_echo_vmixer_info(struct snd_kcontrol *kcontrol, |
1344 | struct snd_ctl_elem_info *uinfo) |
1345 | { |
1346 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
1347 | uinfo->count = 1; |
1348 | uinfo->value.integer.min = ECHOGAIN_MINOUT; |
1349 | uinfo->value.integer.max = ECHOGAIN_MAXOUT; |
1350 | return 0; |
1351 | } |
1352 | |
1353 | static int snd_echo_vmixer_get(struct snd_kcontrol *kcontrol, |
1354 | struct snd_ctl_elem_value *ucontrol) |
1355 | { |
1356 | struct echoaudio *chip; |
1357 | |
1358 | chip = snd_kcontrol_chip(kcontrol); |
1359 | ucontrol->value.integer.value[0] = |
1360 | chip->vmixer_gain[ucontrol->id.index / num_pipes_out(chip)] |
1361 | [ucontrol->id.index % num_pipes_out(chip)]; |
1362 | return 0; |
1363 | } |
1364 | |
1365 | static int snd_echo_vmixer_put(struct snd_kcontrol *kcontrol, |
1366 | struct snd_ctl_elem_value *ucontrol) |
1367 | { |
1368 | struct echoaudio *chip; |
1369 | int gain, changed; |
1370 | short vch, out; |
1371 | |
1372 | changed = 0; |
1373 | chip = snd_kcontrol_chip(kcontrol); |
1374 | out = ucontrol->id.index / num_pipes_out(chip); |
1375 | vch = ucontrol->id.index % num_pipes_out(chip); |
1376 | gain = ucontrol->value.integer.value[0]; |
1377 | if (gain < ECHOGAIN_MINOUT || gain > ECHOGAIN_MAXOUT) |
1378 | return -EINVAL; |
1379 | if (chip->vmixer_gain[out][vch] != ucontrol->value.integer.value[0]) { |
1380 | spin_lock_irq(&chip->lock); |
1381 | set_vmixer_gain(chip, out, vch, ucontrol->value.integer.value[0]); |
1382 | update_vmixer_level(chip); |
1383 | spin_unlock_irq(&chip->lock); |
1384 | changed = 1; |
1385 | } |
1386 | return changed; |
1387 | } |
1388 | |
1389 | static struct snd_kcontrol_new snd_echo_vmixer = { |
1390 | .name = "VMixer Volume" , |
1391 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1392 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
1393 | .info = snd_echo_vmixer_info, |
1394 | .get = snd_echo_vmixer_get, |
1395 | .put = snd_echo_vmixer_put, |
1396 | .tlv = {.p = db_scale_output_gain}, |
1397 | }; |
1398 | |
1399 | #endif /* ECHOCARD_HAS_VMIXER */ |
1400 | |
1401 | |
1402 | |
1403 | #ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH |
1404 | |
1405 | /******************* Digital mode switch *******************/ |
1406 | static int snd_echo_digital_mode_info(struct snd_kcontrol *kcontrol, |
1407 | struct snd_ctl_elem_info *uinfo) |
1408 | { |
1409 | static const char * const names[4] = { |
1410 | "S/PDIF Coaxial" , "S/PDIF Optical" , "ADAT Optical" , |
1411 | "S/PDIF Cdrom" |
1412 | }; |
1413 | struct echoaudio *chip; |
1414 | |
1415 | chip = snd_kcontrol_chip(kcontrol); |
1416 | return snd_ctl_enum_info(uinfo, 1, chip->num_digital_modes, names); |
1417 | } |
1418 | |
1419 | static int snd_echo_digital_mode_get(struct snd_kcontrol *kcontrol, |
1420 | struct snd_ctl_elem_value *ucontrol) |
1421 | { |
1422 | struct echoaudio *chip; |
1423 | int i, mode; |
1424 | |
1425 | chip = snd_kcontrol_chip(kcontrol); |
1426 | mode = chip->digital_mode; |
1427 | for (i = chip->num_digital_modes - 1; i >= 0; i--) |
1428 | if (mode == chip->digital_mode_list[i]) { |
1429 | ucontrol->value.enumerated.item[0] = i; |
1430 | break; |
1431 | } |
1432 | return 0; |
1433 | } |
1434 | |
1435 | static int snd_echo_digital_mode_put(struct snd_kcontrol *kcontrol, |
1436 | struct snd_ctl_elem_value *ucontrol) |
1437 | { |
1438 | struct echoaudio *chip; |
1439 | int changed; |
1440 | unsigned short emode, dmode; |
1441 | |
1442 | changed = 0; |
1443 | chip = snd_kcontrol_chip(kcontrol); |
1444 | |
1445 | emode = ucontrol->value.enumerated.item[0]; |
1446 | if (emode >= chip->num_digital_modes) |
1447 | return -EINVAL; |
1448 | dmode = chip->digital_mode_list[emode]; |
1449 | |
1450 | if (dmode != chip->digital_mode) { |
1451 | /* mode_mutex is required to make this operation atomic wrt |
1452 | pcm_digital_*_open() and set_input_clock() functions. */ |
1453 | mutex_lock(&chip->mode_mutex); |
1454 | |
1455 | /* Do not allow the user to change the digital mode when a pcm |
1456 | device is open because it also changes the number of channels |
1457 | and the allowed sample rates */ |
1458 | if (chip->opencount) { |
1459 | changed = -EAGAIN; |
1460 | } else { |
1461 | changed = set_digital_mode(chip, dmode); |
1462 | /* If we had to change the clock source, report it */ |
1463 | if (changed > 0 && chip->clock_src_ctl) { |
1464 | snd_ctl_notify(chip->card, |
1465 | SNDRV_CTL_EVENT_MASK_VALUE, |
1466 | &chip->clock_src_ctl->id); |
1467 | dev_dbg(chip->card->dev, |
1468 | "SDM() =%d\n" , changed); |
1469 | } |
1470 | if (changed >= 0) |
1471 | changed = 1; /* No errors */ |
1472 | } |
1473 | mutex_unlock(&chip->mode_mutex); |
1474 | } |
1475 | return changed; |
1476 | } |
1477 | |
1478 | static const struct snd_kcontrol_new snd_echo_digital_mode_switch = { |
1479 | .name = "Digital mode Switch" , |
1480 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
1481 | .info = snd_echo_digital_mode_info, |
1482 | .get = snd_echo_digital_mode_get, |
1483 | .put = snd_echo_digital_mode_put, |
1484 | }; |
1485 | |
1486 | #endif /* ECHOCARD_HAS_DIGITAL_MODE_SWITCH */ |
1487 | |
1488 | |
1489 | |
1490 | #ifdef ECHOCARD_HAS_DIGITAL_IO |
1491 | |
1492 | /******************* S/PDIF mode switch *******************/ |
1493 | static int snd_echo_spdif_mode_info(struct snd_kcontrol *kcontrol, |
1494 | struct snd_ctl_elem_info *uinfo) |
1495 | { |
1496 | static const char * const names[2] = {"Consumer" , "Professional" }; |
1497 | |
1498 | return snd_ctl_enum_info(uinfo, 1, 2, names); |
1499 | } |
1500 | |
1501 | static int snd_echo_spdif_mode_get(struct snd_kcontrol *kcontrol, |
1502 | struct snd_ctl_elem_value *ucontrol) |
1503 | { |
1504 | struct echoaudio *chip; |
1505 | |
1506 | chip = snd_kcontrol_chip(kcontrol); |
1507 | ucontrol->value.enumerated.item[0] = !!chip->professional_spdif; |
1508 | return 0; |
1509 | } |
1510 | |
1511 | static int snd_echo_spdif_mode_put(struct snd_kcontrol *kcontrol, |
1512 | struct snd_ctl_elem_value *ucontrol) |
1513 | { |
1514 | struct echoaudio *chip; |
1515 | int mode; |
1516 | |
1517 | chip = snd_kcontrol_chip(kcontrol); |
1518 | mode = !!ucontrol->value.enumerated.item[0]; |
1519 | if (mode != chip->professional_spdif) { |
1520 | spin_lock_irq(&chip->lock); |
1521 | set_professional_spdif(chip, mode); |
1522 | spin_unlock_irq(&chip->lock); |
1523 | return 1; |
1524 | } |
1525 | return 0; |
1526 | } |
1527 | |
1528 | static const struct snd_kcontrol_new snd_echo_spdif_mode_switch = { |
1529 | .name = "S/PDIF mode Switch" , |
1530 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
1531 | .info = snd_echo_spdif_mode_info, |
1532 | .get = snd_echo_spdif_mode_get, |
1533 | .put = snd_echo_spdif_mode_put, |
1534 | }; |
1535 | |
1536 | #endif /* ECHOCARD_HAS_DIGITAL_IO */ |
1537 | |
1538 | |
1539 | |
1540 | #ifdef ECHOCARD_HAS_EXTERNAL_CLOCK |
1541 | |
1542 | /******************* Select input clock source *******************/ |
1543 | static int snd_echo_clock_source_info(struct snd_kcontrol *kcontrol, |
1544 | struct snd_ctl_elem_info *uinfo) |
1545 | { |
1546 | static const char * const names[8] = { |
1547 | "Internal" , "Word" , "Super" , "S/PDIF" , "ADAT" , "ESync" , |
1548 | "ESync96" , "MTC" |
1549 | }; |
1550 | struct echoaudio *chip; |
1551 | |
1552 | chip = snd_kcontrol_chip(kcontrol); |
1553 | return snd_ctl_enum_info(uinfo, 1, chip->num_clock_sources, names); |
1554 | } |
1555 | |
1556 | static int snd_echo_clock_source_get(struct snd_kcontrol *kcontrol, |
1557 | struct snd_ctl_elem_value *ucontrol) |
1558 | { |
1559 | struct echoaudio *chip; |
1560 | int i, clock; |
1561 | |
1562 | chip = snd_kcontrol_chip(kcontrol); |
1563 | clock = chip->input_clock; |
1564 | |
1565 | for (i = 0; i < chip->num_clock_sources; i++) |
1566 | if (clock == chip->clock_source_list[i]) |
1567 | ucontrol->value.enumerated.item[0] = i; |
1568 | |
1569 | return 0; |
1570 | } |
1571 | |
1572 | static int snd_echo_clock_source_put(struct snd_kcontrol *kcontrol, |
1573 | struct snd_ctl_elem_value *ucontrol) |
1574 | { |
1575 | struct echoaudio *chip; |
1576 | int changed; |
1577 | unsigned int eclock, dclock; |
1578 | |
1579 | changed = 0; |
1580 | chip = snd_kcontrol_chip(kcontrol); |
1581 | eclock = ucontrol->value.enumerated.item[0]; |
1582 | if (eclock >= chip->input_clock_types) |
1583 | return -EINVAL; |
1584 | dclock = chip->clock_source_list[eclock]; |
1585 | if (chip->input_clock != dclock) { |
1586 | mutex_lock(&chip->mode_mutex); |
1587 | spin_lock_irq(&chip->lock); |
1588 | changed = set_input_clock(chip, dclock); |
1589 | if (!changed) |
1590 | changed = 1; /* no errors */ |
1591 | spin_unlock_irq(&chip->lock); |
1592 | mutex_unlock(&chip->mode_mutex); |
1593 | } |
1594 | |
1595 | if (changed < 0) |
1596 | dev_dbg(chip->card->dev, |
1597 | "seticlk val%d err 0x%x\n" , dclock, changed); |
1598 | |
1599 | return changed; |
1600 | } |
1601 | |
1602 | static const struct snd_kcontrol_new snd_echo_clock_source_switch = { |
1603 | .name = "Sample Clock Source" , |
1604 | .iface = SNDRV_CTL_ELEM_IFACE_PCM, |
1605 | .info = snd_echo_clock_source_info, |
1606 | .get = snd_echo_clock_source_get, |
1607 | .put = snd_echo_clock_source_put, |
1608 | }; |
1609 | |
1610 | #endif /* ECHOCARD_HAS_EXTERNAL_CLOCK */ |
1611 | |
1612 | |
1613 | |
1614 | #ifdef ECHOCARD_HAS_PHANTOM_POWER |
1615 | |
1616 | /******************* Phantom power switch *******************/ |
1617 | #define snd_echo_phantom_power_info snd_ctl_boolean_mono_info |
1618 | |
1619 | static int snd_echo_phantom_power_get(struct snd_kcontrol *kcontrol, |
1620 | struct snd_ctl_elem_value *ucontrol) |
1621 | { |
1622 | struct echoaudio *chip = snd_kcontrol_chip(kcontrol); |
1623 | |
1624 | ucontrol->value.integer.value[0] = chip->phantom_power; |
1625 | return 0; |
1626 | } |
1627 | |
1628 | static int snd_echo_phantom_power_put(struct snd_kcontrol *kcontrol, |
1629 | struct snd_ctl_elem_value *ucontrol) |
1630 | { |
1631 | struct echoaudio *chip = snd_kcontrol_chip(kcontrol); |
1632 | int power, changed = 0; |
1633 | |
1634 | power = !!ucontrol->value.integer.value[0]; |
1635 | if (chip->phantom_power != power) { |
1636 | spin_lock_irq(&chip->lock); |
1637 | changed = set_phantom_power(chip, power); |
1638 | spin_unlock_irq(&chip->lock); |
1639 | if (changed == 0) |
1640 | changed = 1; /* no errors */ |
1641 | } |
1642 | return changed; |
1643 | } |
1644 | |
1645 | static const struct snd_kcontrol_new snd_echo_phantom_power_switch = { |
1646 | .name = "Phantom power Switch" , |
1647 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
1648 | .info = snd_echo_phantom_power_info, |
1649 | .get = snd_echo_phantom_power_get, |
1650 | .put = snd_echo_phantom_power_put, |
1651 | }; |
1652 | |
1653 | #endif /* ECHOCARD_HAS_PHANTOM_POWER */ |
1654 | |
1655 | |
1656 | |
1657 | #ifdef ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE |
1658 | |
1659 | /******************* Digital input automute switch *******************/ |
1660 | #define snd_echo_automute_info snd_ctl_boolean_mono_info |
1661 | |
1662 | static int snd_echo_automute_get(struct snd_kcontrol *kcontrol, |
1663 | struct snd_ctl_elem_value *ucontrol) |
1664 | { |
1665 | struct echoaudio *chip = snd_kcontrol_chip(kcontrol); |
1666 | |
1667 | ucontrol->value.integer.value[0] = chip->digital_in_automute; |
1668 | return 0; |
1669 | } |
1670 | |
1671 | static int snd_echo_automute_put(struct snd_kcontrol *kcontrol, |
1672 | struct snd_ctl_elem_value *ucontrol) |
1673 | { |
1674 | struct echoaudio *chip = snd_kcontrol_chip(kcontrol); |
1675 | int automute, changed = 0; |
1676 | |
1677 | automute = !!ucontrol->value.integer.value[0]; |
1678 | if (chip->digital_in_automute != automute) { |
1679 | spin_lock_irq(&chip->lock); |
1680 | changed = set_input_auto_mute(chip, automute); |
1681 | spin_unlock_irq(&chip->lock); |
1682 | if (changed == 0) |
1683 | changed = 1; /* no errors */ |
1684 | } |
1685 | return changed; |
1686 | } |
1687 | |
1688 | static const struct snd_kcontrol_new snd_echo_automute_switch = { |
1689 | .name = "Digital Capture Switch (automute)" , |
1690 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
1691 | .info = snd_echo_automute_info, |
1692 | .get = snd_echo_automute_get, |
1693 | .put = snd_echo_automute_put, |
1694 | }; |
1695 | |
1696 | #endif /* ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE */ |
1697 | |
1698 | |
1699 | |
1700 | /******************* VU-meters switch *******************/ |
1701 | #define snd_echo_vumeters_switch_info snd_ctl_boolean_mono_info |
1702 | |
1703 | static int snd_echo_vumeters_switch_put(struct snd_kcontrol *kcontrol, |
1704 | struct snd_ctl_elem_value *ucontrol) |
1705 | { |
1706 | struct echoaudio *chip; |
1707 | |
1708 | chip = snd_kcontrol_chip(kcontrol); |
1709 | spin_lock_irq(lock: &chip->lock); |
1710 | set_meters_on(chip, on: ucontrol->value.integer.value[0]); |
1711 | spin_unlock_irq(lock: &chip->lock); |
1712 | return 1; |
1713 | } |
1714 | |
1715 | static const struct snd_kcontrol_new snd_echo_vumeters_switch = { |
1716 | .name = "VU-meters Switch" , |
1717 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
1718 | .access = SNDRV_CTL_ELEM_ACCESS_WRITE, |
1719 | .info = snd_echo_vumeters_switch_info, |
1720 | .put = snd_echo_vumeters_switch_put, |
1721 | }; |
1722 | |
1723 | |
1724 | |
1725 | /***** Read VU-meters (input, output, analog and digital together) *****/ |
1726 | static int snd_echo_vumeters_info(struct snd_kcontrol *kcontrol, |
1727 | struct snd_ctl_elem_info *uinfo) |
1728 | { |
1729 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
1730 | uinfo->count = 96; |
1731 | uinfo->value.integer.min = ECHOGAIN_MINOUT; |
1732 | uinfo->value.integer.max = 0; |
1733 | return 0; |
1734 | } |
1735 | |
1736 | static int snd_echo_vumeters_get(struct snd_kcontrol *kcontrol, |
1737 | struct snd_ctl_elem_value *ucontrol) |
1738 | { |
1739 | struct echoaudio *chip; |
1740 | |
1741 | chip = snd_kcontrol_chip(kcontrol); |
1742 | get_audio_meters(chip, meters: ucontrol->value.integer.value); |
1743 | return 0; |
1744 | } |
1745 | |
1746 | static const struct snd_kcontrol_new snd_echo_vumeters = { |
1747 | .name = "VU-meters" , |
1748 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1749 | .access = SNDRV_CTL_ELEM_ACCESS_READ | |
1750 | SNDRV_CTL_ELEM_ACCESS_VOLATILE | |
1751 | SNDRV_CTL_ELEM_ACCESS_TLV_READ, |
1752 | .info = snd_echo_vumeters_info, |
1753 | .get = snd_echo_vumeters_get, |
1754 | .tlv = {.p = db_scale_output_gain}, |
1755 | }; |
1756 | |
1757 | |
1758 | |
1759 | /*** Channels info - it exports informations about the number of channels ***/ |
1760 | static int snd_echo_channels_info_info(struct snd_kcontrol *kcontrol, |
1761 | struct snd_ctl_elem_info *uinfo) |
1762 | { |
1763 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
1764 | uinfo->count = 6; |
1765 | uinfo->value.integer.min = 0; |
1766 | uinfo->value.integer.max = 1 << ECHO_CLOCK_NUMBER; |
1767 | return 0; |
1768 | } |
1769 | |
1770 | static int snd_echo_channels_info_get(struct snd_kcontrol *kcontrol, |
1771 | struct snd_ctl_elem_value *ucontrol) |
1772 | { |
1773 | struct echoaudio *chip; |
1774 | int detected, clocks, bit, src; |
1775 | |
1776 | chip = snd_kcontrol_chip(kcontrol); |
1777 | ucontrol->value.integer.value[0] = num_busses_in(chip); |
1778 | ucontrol->value.integer.value[1] = num_analog_busses_in(chip); |
1779 | ucontrol->value.integer.value[2] = num_busses_out(chip); |
1780 | ucontrol->value.integer.value[3] = num_analog_busses_out(chip); |
1781 | ucontrol->value.integer.value[4] = num_pipes_out(chip); |
1782 | |
1783 | /* Compute the bitmask of the currently valid input clocks */ |
1784 | detected = detect_input_clocks(chip); |
1785 | clocks = 0; |
1786 | src = chip->num_clock_sources - 1; |
1787 | for (bit = ECHO_CLOCK_NUMBER - 1; bit >= 0; bit--) |
1788 | if (detected & (1 << bit)) |
1789 | for (; src >= 0; src--) |
1790 | if (bit == chip->clock_source_list[src]) { |
1791 | clocks |= 1 << src; |
1792 | break; |
1793 | } |
1794 | ucontrol->value.integer.value[5] = clocks; |
1795 | |
1796 | return 0; |
1797 | } |
1798 | |
1799 | static const struct snd_kcontrol_new snd_echo_channels_info = { |
1800 | .name = "Channels info" , |
1801 | .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, |
1802 | .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, |
1803 | .info = snd_echo_channels_info_info, |
1804 | .get = snd_echo_channels_info_get, |
1805 | }; |
1806 | |
1807 | |
1808 | |
1809 | |
1810 | /****************************************************************************** |
1811 | IRQ Handling |
1812 | ******************************************************************************/ |
1813 | /* Check if a period has elapsed since last interrupt |
1814 | * |
1815 | * Don't make any updates to state; PCM core handles this with the |
1816 | * correct locks. |
1817 | * |
1818 | * \return true if a period has elapsed, otherwise false |
1819 | */ |
1820 | static bool period_has_elapsed(struct snd_pcm_substream *substream) |
1821 | { |
1822 | struct snd_pcm_runtime *runtime = substream->runtime; |
1823 | struct audiopipe *pipe = runtime->private_data; |
1824 | u32 counter, step; |
1825 | size_t period_bytes; |
1826 | |
1827 | if (pipe->state != PIPE_STATE_STARTED) |
1828 | return false; |
1829 | |
1830 | period_bytes = frames_to_bytes(runtime, size: runtime->period_size); |
1831 | |
1832 | counter = le32_to_cpu(*pipe->dma_counter); /* presumed atomic */ |
1833 | |
1834 | step = counter - pipe->last_period; /* handles wrapping */ |
1835 | step -= step % period_bytes; /* acknowledge whole periods only */ |
1836 | |
1837 | if (step == 0) |
1838 | return false; /* haven't advanced a whole period yet */ |
1839 | |
1840 | pipe->last_period += step; /* used exclusively by us */ |
1841 | return true; |
1842 | } |
1843 | |
1844 | static irqreturn_t snd_echo_interrupt(int irq, void *dev_id) |
1845 | { |
1846 | struct echoaudio *chip = dev_id; |
1847 | int ss, st; |
1848 | |
1849 | spin_lock(lock: &chip->lock); |
1850 | st = service_irq(chip); |
1851 | if (st < 0) { |
1852 | spin_unlock(lock: &chip->lock); |
1853 | return IRQ_NONE; |
1854 | } |
1855 | /* The hardware doesn't tell us which substream caused the irq, |
1856 | thus we have to check all running substreams. */ |
1857 | for (ss = 0; ss < DSP_MAXPIPES; ss++) { |
1858 | struct snd_pcm_substream *substream; |
1859 | |
1860 | substream = chip->substream[ss]; |
1861 | if (substream && period_has_elapsed(substream)) { |
1862 | spin_unlock(lock: &chip->lock); |
1863 | snd_pcm_period_elapsed(substream); |
1864 | spin_lock(lock: &chip->lock); |
1865 | } |
1866 | } |
1867 | spin_unlock(lock: &chip->lock); |
1868 | |
1869 | #ifdef ECHOCARD_HAS_MIDI |
1870 | if (st > 0 && chip->midi_in) { |
1871 | snd_rawmidi_receive(chip->midi_in, chip->midi_buffer, st); |
1872 | dev_dbg(chip->card->dev, "rawmidi_iread=%d\n" , st); |
1873 | } |
1874 | #endif |
1875 | return IRQ_HANDLED; |
1876 | } |
1877 | |
1878 | |
1879 | |
1880 | |
1881 | /****************************************************************************** |
1882 | Module construction / destruction |
1883 | ******************************************************************************/ |
1884 | |
1885 | static void snd_echo_free(struct snd_card *card) |
1886 | { |
1887 | struct echoaudio *chip = card->private_data; |
1888 | |
1889 | if (chip->comm_page) |
1890 | rest_in_peace(chip); |
1891 | |
1892 | if (chip->irq >= 0) |
1893 | free_irq(chip->irq, chip); |
1894 | |
1895 | /* release chip data */ |
1896 | free_firmware_cache(chip); |
1897 | } |
1898 | |
1899 | /* <--snd_echo_probe() */ |
1900 | static int snd_echo_create(struct snd_card *card, |
1901 | struct pci_dev *pci) |
1902 | { |
1903 | struct echoaudio *chip = card->private_data; |
1904 | int err; |
1905 | size_t sz; |
1906 | |
1907 | pci_write_config_byte(dev: pci, PCI_LATENCY_TIMER, val: 0xC0); |
1908 | |
1909 | err = pcim_enable_device(pdev: pci); |
1910 | if (err < 0) |
1911 | return err; |
1912 | pci_set_master(dev: pci); |
1913 | |
1914 | /* Allocate chip if needed */ |
1915 | spin_lock_init(&chip->lock); |
1916 | chip->card = card; |
1917 | chip->pci = pci; |
1918 | chip->irq = -1; |
1919 | chip->opencount = 0; |
1920 | mutex_init(&chip->mode_mutex); |
1921 | chip->can_set_rate = 1; |
1922 | |
1923 | /* PCI resource allocation */ |
1924 | err = pci_request_regions(pci, ECHOCARD_NAME); |
1925 | if (err < 0) |
1926 | return err; |
1927 | |
1928 | chip->dsp_registers_phys = pci_resource_start(pci, 0); |
1929 | sz = pci_resource_len(pci, 0); |
1930 | if (sz > PAGE_SIZE) |
1931 | sz = PAGE_SIZE; /* We map only the required part */ |
1932 | |
1933 | chip->dsp_registers = devm_ioremap(dev: &pci->dev, offset: chip->dsp_registers_phys, size: sz); |
1934 | if (!chip->dsp_registers) { |
1935 | dev_err(chip->card->dev, "ioremap failed\n" ); |
1936 | return -ENOMEM; |
1937 | } |
1938 | |
1939 | if (request_irq(irq: pci->irq, handler: snd_echo_interrupt, IRQF_SHARED, |
1940 | KBUILD_MODNAME, dev: chip)) { |
1941 | dev_err(chip->card->dev, "cannot grab irq\n" ); |
1942 | return -EBUSY; |
1943 | } |
1944 | chip->irq = pci->irq; |
1945 | card->sync_irq = chip->irq; |
1946 | dev_dbg(card->dev, "pci=%p irq=%d subdev=%04x Init hardware...\n" , |
1947 | chip->pci, chip->irq, chip->pci->subsystem_device); |
1948 | |
1949 | card->private_free = snd_echo_free; |
1950 | |
1951 | /* Create the DSP comm page - this is the area of memory used for most |
1952 | of the communication with the DSP, which accesses it via bus mastering */ |
1953 | chip->commpage_dma_buf = |
1954 | snd_devm_alloc_pages(dev: &pci->dev, SNDRV_DMA_TYPE_DEV, |
1955 | size: sizeof(struct comm_page)); |
1956 | if (!chip->commpage_dma_buf) |
1957 | return -ENOMEM; |
1958 | chip->comm_page_phys = chip->commpage_dma_buf->addr; |
1959 | chip->comm_page = (struct comm_page *)chip->commpage_dma_buf->area; |
1960 | |
1961 | err = init_hw(chip, device_id: chip->pci->device, subdevice_id: chip->pci->subsystem_device); |
1962 | if (err >= 0) |
1963 | err = set_mixer_defaults(chip); |
1964 | if (err < 0) { |
1965 | dev_err(card->dev, "init_hw err=%d\n" , err); |
1966 | return err; |
1967 | } |
1968 | |
1969 | return 0; |
1970 | } |
1971 | |
1972 | /* constructor */ |
1973 | static int __snd_echo_probe(struct pci_dev *pci, |
1974 | const struct pci_device_id *pci_id) |
1975 | { |
1976 | static int dev; |
1977 | struct snd_card *card; |
1978 | struct echoaudio *chip; |
1979 | char *dsp; |
1980 | __maybe_unused int i; |
1981 | int err; |
1982 | |
1983 | if (dev >= SNDRV_CARDS) |
1984 | return -ENODEV; |
1985 | if (!enable[dev]) { |
1986 | dev++; |
1987 | return -ENOENT; |
1988 | } |
1989 | |
1990 | i = 0; |
1991 | err = snd_devm_card_new(parent: &pci->dev, idx: index[dev], xid: id[dev], THIS_MODULE, |
1992 | extra_size: sizeof(*chip), card_ret: &card); |
1993 | if (err < 0) |
1994 | return err; |
1995 | chip = card->private_data; |
1996 | |
1997 | err = snd_echo_create(card, pci); |
1998 | if (err < 0) |
1999 | return err; |
2000 | |
2001 | strcpy(p: card->driver, q: "Echo_" ECHOCARD_NAME); |
2002 | strcpy(p: card->shortname, q: chip->card_name); |
2003 | |
2004 | dsp = "56301" ; |
2005 | if (pci_id->device == 0x3410) |
2006 | dsp = "56361" ; |
2007 | |
2008 | sprintf(buf: card->longname, fmt: "%s rev.%d (DSP%s) at 0x%lx irq %i" , |
2009 | card->shortname, pci_id->subdevice & 0x000f, dsp, |
2010 | chip->dsp_registers_phys, chip->irq); |
2011 | |
2012 | err = snd_echo_new_pcm(chip); |
2013 | if (err < 0) { |
2014 | dev_err(chip->card->dev, "new pcm error %d\n" , err); |
2015 | return err; |
2016 | } |
2017 | |
2018 | #ifdef ECHOCARD_HAS_MIDI |
2019 | if (chip->has_midi) { /* Some Mia's do not have midi */ |
2020 | err = snd_echo_midi_create(card, chip); |
2021 | if (err < 0) { |
2022 | dev_err(chip->card->dev, "new midi error %d\n" , err); |
2023 | return err; |
2024 | } |
2025 | } |
2026 | #endif |
2027 | |
2028 | #ifdef ECHOCARD_HAS_VMIXER |
2029 | snd_echo_vmixer.count = num_pipes_out(chip) * num_busses_out(chip); |
2030 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_vmixer, chip)); |
2031 | if (err < 0) |
2032 | return err; |
2033 | #ifdef ECHOCARD_HAS_LINE_OUT_GAIN |
2034 | err = snd_ctl_add(chip->card, |
2035 | snd_ctl_new1(&snd_echo_line_output_gain, chip)); |
2036 | if (err < 0) |
2037 | return err; |
2038 | #endif |
2039 | #else /* ECHOCARD_HAS_VMIXER */ |
2040 | err = snd_ctl_add(card: chip->card, |
2041 | kcontrol: snd_ctl_new1(kcontrolnew: &snd_echo_pcm_output_gain, private_data: chip)); |
2042 | if (err < 0) |
2043 | return err; |
2044 | #endif /* ECHOCARD_HAS_VMIXER */ |
2045 | |
2046 | #ifdef ECHOCARD_HAS_INPUT_GAIN |
2047 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_line_input_gain, chip)); |
2048 | if (err < 0) |
2049 | return err; |
2050 | #endif |
2051 | |
2052 | #ifdef ECHOCARD_HAS_INPUT_NOMINAL_LEVEL |
2053 | if (!chip->hasnt_input_nominal_level) { |
2054 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_intput_nominal_level, chip)); |
2055 | if (err < 0) |
2056 | return err; |
2057 | } |
2058 | #endif |
2059 | |
2060 | #ifdef ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL |
2061 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_output_nominal_level, chip)); |
2062 | if (err < 0) |
2063 | return err; |
2064 | #endif |
2065 | |
2066 | err = snd_ctl_add(card: chip->card, kcontrol: snd_ctl_new1(kcontrolnew: &snd_echo_vumeters_switch, private_data: chip)); |
2067 | if (err < 0) |
2068 | return err; |
2069 | |
2070 | err = snd_ctl_add(card: chip->card, kcontrol: snd_ctl_new1(kcontrolnew: &snd_echo_vumeters, private_data: chip)); |
2071 | if (err < 0) |
2072 | return err; |
2073 | |
2074 | #ifdef ECHOCARD_HAS_MONITOR |
2075 | snd_echo_monitor_mixer.count = num_busses_in(chip) * num_busses_out(chip); |
2076 | err = snd_ctl_add(card: chip->card, kcontrol: snd_ctl_new1(kcontrolnew: &snd_echo_monitor_mixer, private_data: chip)); |
2077 | if (err < 0) |
2078 | return err; |
2079 | #endif |
2080 | |
2081 | #ifdef ECHOCARD_HAS_DIGITAL_IN_AUTOMUTE |
2082 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_automute_switch, chip)); |
2083 | if (err < 0) |
2084 | return err; |
2085 | #endif |
2086 | |
2087 | err = snd_ctl_add(card: chip->card, kcontrol: snd_ctl_new1(kcontrolnew: &snd_echo_channels_info, private_data: chip)); |
2088 | if (err < 0) |
2089 | return err; |
2090 | |
2091 | #ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH |
2092 | /* Creates a list of available digital modes */ |
2093 | chip->num_digital_modes = 0; |
2094 | for (i = 0; i < 6; i++) |
2095 | if (chip->digital_modes & (1 << i)) |
2096 | chip->digital_mode_list[chip->num_digital_modes++] = i; |
2097 | |
2098 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_digital_mode_switch, chip)); |
2099 | if (err < 0) |
2100 | return err; |
2101 | #endif /* ECHOCARD_HAS_DIGITAL_MODE_SWITCH */ |
2102 | |
2103 | #ifdef ECHOCARD_HAS_EXTERNAL_CLOCK |
2104 | /* Creates a list of available clock sources */ |
2105 | chip->num_clock_sources = 0; |
2106 | for (i = 0; i < 10; i++) |
2107 | if (chip->input_clock_types & (1 << i)) |
2108 | chip->clock_source_list[chip->num_clock_sources++] = i; |
2109 | |
2110 | if (chip->num_clock_sources > 1) { |
2111 | chip->clock_src_ctl = snd_ctl_new1(&snd_echo_clock_source_switch, chip); |
2112 | err = snd_ctl_add(chip->card, chip->clock_src_ctl); |
2113 | if (err < 0) |
2114 | return err; |
2115 | } |
2116 | #endif /* ECHOCARD_HAS_EXTERNAL_CLOCK */ |
2117 | |
2118 | #ifdef ECHOCARD_HAS_DIGITAL_IO |
2119 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_spdif_mode_switch, chip)); |
2120 | if (err < 0) |
2121 | return err; |
2122 | #endif |
2123 | |
2124 | #ifdef ECHOCARD_HAS_PHANTOM_POWER |
2125 | if (chip->has_phantom_power) { |
2126 | err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_echo_phantom_power_switch, chip)); |
2127 | if (err < 0) |
2128 | return err; |
2129 | } |
2130 | #endif |
2131 | |
2132 | err = snd_card_register(card); |
2133 | if (err < 0) |
2134 | return err; |
2135 | dev_info(card->dev, "Card registered: %s\n" , card->longname); |
2136 | |
2137 | pci_set_drvdata(pdev: pci, data: chip); |
2138 | dev++; |
2139 | return 0; |
2140 | } |
2141 | |
2142 | static int snd_echo_probe(struct pci_dev *pci, |
2143 | const struct pci_device_id *pci_id) |
2144 | { |
2145 | return snd_card_free_on_error(dev: &pci->dev, ret: __snd_echo_probe(pci, pci_id)); |
2146 | } |
2147 | |
2148 | |
2149 | #if defined(CONFIG_PM_SLEEP) |
2150 | |
2151 | static int snd_echo_suspend(struct device *dev) |
2152 | { |
2153 | struct echoaudio *chip = dev_get_drvdata(dev); |
2154 | |
2155 | #ifdef ECHOCARD_HAS_MIDI |
2156 | /* This call can sleep */ |
2157 | if (chip->midi_out) |
2158 | snd_echo_midi_output_trigger(chip->midi_out, 0); |
2159 | #endif |
2160 | spin_lock_irq(lock: &chip->lock); |
2161 | if (wait_handshake(chip)) { |
2162 | spin_unlock_irq(lock: &chip->lock); |
2163 | return -EIO; |
2164 | } |
2165 | clear_handshake(chip); |
2166 | if (send_vector(chip, DSP_VC_GO_COMATOSE) < 0) { |
2167 | spin_unlock_irq(lock: &chip->lock); |
2168 | return -EIO; |
2169 | } |
2170 | spin_unlock_irq(lock: &chip->lock); |
2171 | |
2172 | chip->dsp_code = NULL; |
2173 | free_irq(chip->irq, chip); |
2174 | chip->irq = -1; |
2175 | chip->card->sync_irq = -1; |
2176 | return 0; |
2177 | } |
2178 | |
2179 | |
2180 | |
2181 | static int snd_echo_resume(struct device *dev) |
2182 | { |
2183 | struct pci_dev *pci = to_pci_dev(dev); |
2184 | struct echoaudio *chip = dev_get_drvdata(dev); |
2185 | struct comm_page *commpage, *commpage_bak; |
2186 | u32 pipe_alloc_mask; |
2187 | int err; |
2188 | |
2189 | commpage = chip->comm_page; |
2190 | commpage_bak = kmemdup(p: commpage, size: sizeof(*commpage), GFP_KERNEL); |
2191 | if (commpage_bak == NULL) |
2192 | return -ENOMEM; |
2193 | |
2194 | err = init_hw(chip, device_id: chip->pci->device, subdevice_id: chip->pci->subsystem_device); |
2195 | if (err < 0) { |
2196 | kfree(objp: commpage_bak); |
2197 | dev_err(dev, "resume init_hw err=%d\n" , err); |
2198 | return err; |
2199 | } |
2200 | |
2201 | /* Temporarily set chip->pipe_alloc_mask=0 otherwise |
2202 | * restore_dsp_settings() fails. |
2203 | */ |
2204 | pipe_alloc_mask = chip->pipe_alloc_mask; |
2205 | chip->pipe_alloc_mask = 0; |
2206 | err = restore_dsp_rettings(chip); |
2207 | chip->pipe_alloc_mask = pipe_alloc_mask; |
2208 | if (err < 0) { |
2209 | kfree(objp: commpage_bak); |
2210 | return err; |
2211 | } |
2212 | |
2213 | memcpy(&commpage->audio_format, &commpage_bak->audio_format, |
2214 | sizeof(commpage->audio_format)); |
2215 | memcpy(&commpage->sglist_addr, &commpage_bak->sglist_addr, |
2216 | sizeof(commpage->sglist_addr)); |
2217 | memcpy(&commpage->midi_output, &commpage_bak->midi_output, |
2218 | sizeof(commpage->midi_output)); |
2219 | kfree(objp: commpage_bak); |
2220 | |
2221 | if (request_irq(irq: pci->irq, handler: snd_echo_interrupt, IRQF_SHARED, |
2222 | KBUILD_MODNAME, dev: chip)) { |
2223 | dev_err(chip->card->dev, "cannot grab irq\n" ); |
2224 | return -EBUSY; |
2225 | } |
2226 | chip->irq = pci->irq; |
2227 | chip->card->sync_irq = chip->irq; |
2228 | dev_dbg(dev, "resume irq=%d\n" , chip->irq); |
2229 | |
2230 | #ifdef ECHOCARD_HAS_MIDI |
2231 | if (chip->midi_input_enabled) |
2232 | enable_midi_input(chip, true); |
2233 | if (chip->midi_out) |
2234 | snd_echo_midi_output_trigger(chip->midi_out, 1); |
2235 | #endif |
2236 | |
2237 | return 0; |
2238 | } |
2239 | |
2240 | static SIMPLE_DEV_PM_OPS(snd_echo_pm, snd_echo_suspend, snd_echo_resume); |
2241 | #define SND_ECHO_PM_OPS &snd_echo_pm |
2242 | #else |
2243 | #define SND_ECHO_PM_OPS NULL |
2244 | #endif /* CONFIG_PM_SLEEP */ |
2245 | |
2246 | /****************************************************************************** |
2247 | Everything starts and ends here |
2248 | ******************************************************************************/ |
2249 | |
2250 | /* pci_driver definition */ |
2251 | static struct pci_driver echo_driver = { |
2252 | .name = KBUILD_MODNAME, |
2253 | .id_table = snd_echo_ids, |
2254 | .probe = snd_echo_probe, |
2255 | .driver = { |
2256 | .pm = SND_ECHO_PM_OPS, |
2257 | }, |
2258 | }; |
2259 | |
2260 | module_pci_driver(echo_driver); |
2261 | |