1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * skl-pcm.c -ASoC HDA Platform driver file implementing PCM functionality
4 *
5 * Copyright (C) 2014-2015 Intel Corp
6 * Author: Jeeja KP <jeeja.kp@intel.com>
7 *
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 *
10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
11 */
12
13 #include <linux/pci.h>
14 #include <linux/pm_runtime.h>
15 #include <linux/delay.h>
16 #include <sound/pcm_params.h>
17 #include <sound/soc.h>
18 #include "skl.h"
19 #include "skl-topology.h"
20 #include "skl-sst-dsp.h"
21 #include "skl-sst-ipc.h"
22
23 #define HDA_MONO 1
24 #define HDA_STEREO 2
25 #define HDA_QUAD 4
26 #define HDA_MAX 8
27
28 static const struct snd_pcm_hardware azx_pcm_hw = {
29 .info = (SNDRV_PCM_INFO_MMAP |
30 SNDRV_PCM_INFO_INTERLEAVED |
31 SNDRV_PCM_INFO_BLOCK_TRANSFER |
32 SNDRV_PCM_INFO_MMAP_VALID |
33 SNDRV_PCM_INFO_PAUSE |
34 SNDRV_PCM_INFO_RESUME |
35 SNDRV_PCM_INFO_SYNC_START |
36 SNDRV_PCM_INFO_HAS_WALL_CLOCK | /* legacy */
37 SNDRV_PCM_INFO_HAS_LINK_ATIME |
38 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
39 .formats = SNDRV_PCM_FMTBIT_S16_LE |
40 SNDRV_PCM_FMTBIT_S32_LE |
41 SNDRV_PCM_FMTBIT_S24_LE,
42 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 |
43 SNDRV_PCM_RATE_8000,
44 .rate_min = 8000,
45 .rate_max = 48000,
46 .channels_min = 1,
47 .channels_max = 8,
48 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
49 .period_bytes_min = 128,
50 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
51 .periods_min = 2,
52 .periods_max = AZX_MAX_FRAG,
53 .fifo_size = 0,
54 };
55
56 static inline
get_hdac_ext_stream(struct snd_pcm_substream * substream)57 struct hdac_ext_stream *get_hdac_ext_stream(struct snd_pcm_substream *substream)
58 {
59 return substream->runtime->private_data;
60 }
61
get_bus_ctx(struct snd_pcm_substream * substream)62 static struct hdac_bus *get_bus_ctx(struct snd_pcm_substream *substream)
63 {
64 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
65 struct hdac_stream *hstream = hdac_stream(stream);
66 struct hdac_bus *bus = hstream->bus;
67 return bus;
68 }
69
skl_substream_alloc_pages(struct hdac_bus * bus,struct snd_pcm_substream * substream,size_t size)70 static int skl_substream_alloc_pages(struct hdac_bus *bus,
71 struct snd_pcm_substream *substream,
72 size_t size)
73 {
74 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
75
76 hdac_stream(stream)->bufsize = 0;
77 hdac_stream(stream)->period_bytes = 0;
78 hdac_stream(stream)->format_val = 0;
79
80 return 0;
81 }
82
skl_set_pcm_constrains(struct hdac_bus * bus,struct snd_pcm_runtime * runtime)83 static void skl_set_pcm_constrains(struct hdac_bus *bus,
84 struct snd_pcm_runtime *runtime)
85 {
86 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
87
88 /* avoid wrap-around with wall-clock */
89 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME,
90 20, 178000000);
91 }
92
skl_get_host_stream_type(struct hdac_bus * bus)93 static enum hdac_ext_stream_type skl_get_host_stream_type(struct hdac_bus *bus)
94 {
95 if (bus->ppcap)
96 return HDAC_EXT_STREAM_TYPE_HOST;
97 else
98 return HDAC_EXT_STREAM_TYPE_COUPLED;
99 }
100
101 /*
102 * check if the stream opened is marked as ignore_suspend by machine, if so
103 * then enable suspend_active refcount
104 *
105 * The count supend_active does not need lock as it is used in open/close
106 * and suspend context
107 */
skl_set_suspend_active(struct snd_pcm_substream * substream,struct snd_soc_dai * dai,bool enable)108 static void skl_set_suspend_active(struct snd_pcm_substream *substream,
109 struct snd_soc_dai *dai, bool enable)
110 {
111 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
112 struct snd_soc_dapm_widget *w;
113 struct skl_dev *skl = bus_to_skl(bus);
114
115 w = snd_soc_dai_get_widget(dai, substream->stream);
116
117 if (w->ignore_suspend && enable)
118 skl->supend_active++;
119 else if (w->ignore_suspend && !enable)
120 skl->supend_active--;
121 }
122
skl_pcm_host_dma_prepare(struct device * dev,struct skl_pipe_params * params)123 int skl_pcm_host_dma_prepare(struct device *dev, struct skl_pipe_params *params)
124 {
125 struct hdac_bus *bus = dev_get_drvdata(dev);
126 struct skl_dev *skl = bus_to_skl(bus);
127 unsigned int format_val;
128 struct hdac_stream *hstream;
129 struct hdac_ext_stream *stream;
130 int err;
131
132 hstream = snd_hdac_get_stream(bus, params->stream,
133 params->host_dma_id + 1);
134 if (!hstream)
135 return -EINVAL;
136
137 stream = stream_to_hdac_ext_stream(hstream);
138 snd_hdac_ext_stream_decouple(bus, stream, true);
139
140 format_val = snd_hdac_calc_stream_format(params->s_freq,
141 params->ch, params->format, params->host_bps, 0);
142
143 dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
144 format_val, params->s_freq, params->ch, params->format);
145
146 snd_hdac_stream_reset(hdac_stream(stream));
147 err = snd_hdac_stream_set_params(hdac_stream(stream), format_val);
148 if (err < 0)
149 return err;
150
151 /*
152 * The recommended SDxFMT programming sequence for BXT
153 * platforms is to couple the stream before writing the format
154 */
155 if (IS_BXT(skl->pci)) {
156 snd_hdac_ext_stream_decouple(bus, stream, false);
157 err = snd_hdac_stream_setup(hdac_stream(stream));
158 snd_hdac_ext_stream_decouple(bus, stream, true);
159 } else {
160 err = snd_hdac_stream_setup(hdac_stream(stream));
161 }
162
163 if (err < 0)
164 return err;
165
166 hdac_stream(stream)->prepared = 1;
167
168 return 0;
169 }
170
skl_pcm_link_dma_prepare(struct device * dev,struct skl_pipe_params * params)171 int skl_pcm_link_dma_prepare(struct device *dev, struct skl_pipe_params *params)
172 {
173 struct hdac_bus *bus = dev_get_drvdata(dev);
174 unsigned int format_val;
175 struct hdac_stream *hstream;
176 struct hdac_ext_stream *stream;
177 struct hdac_ext_link *link;
178 unsigned char stream_tag;
179
180 hstream = snd_hdac_get_stream(bus, params->stream,
181 params->link_dma_id + 1);
182 if (!hstream)
183 return -EINVAL;
184
185 stream = stream_to_hdac_ext_stream(hstream);
186 snd_hdac_ext_stream_decouple(bus, stream, true);
187 format_val = snd_hdac_calc_stream_format(params->s_freq, params->ch,
188 params->format, params->link_bps, 0);
189
190 dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
191 format_val, params->s_freq, params->ch, params->format);
192
193 snd_hdac_ext_link_stream_reset(stream);
194
195 snd_hdac_ext_link_stream_setup(stream, format_val);
196
197 stream_tag = hstream->stream_tag;
198 if (stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) {
199 list_for_each_entry(link, &bus->hlink_list, list) {
200 if (link->index == params->link_index)
201 snd_hdac_ext_link_set_stream_id(link,
202 stream_tag);
203 }
204 }
205
206 stream->link_prepared = 1;
207
208 return 0;
209 }
210
skl_pcm_open(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)211 static int skl_pcm_open(struct snd_pcm_substream *substream,
212 struct snd_soc_dai *dai)
213 {
214 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
215 struct hdac_ext_stream *stream;
216 struct snd_pcm_runtime *runtime = substream->runtime;
217 struct skl_dma_params *dma_params;
218 struct skl_dev *skl = get_skl_ctx(dai->dev);
219 struct skl_module_cfg *mconfig;
220
221 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
222
223 stream = snd_hdac_ext_stream_assign(bus, substream,
224 skl_get_host_stream_type(bus));
225 if (stream == NULL)
226 return -EBUSY;
227
228 skl_set_pcm_constrains(bus, runtime);
229
230 /*
231 * disable WALLCLOCK timestamps for capture streams
232 * until we figure out how to handle digital inputs
233 */
234 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
235 runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK; /* legacy */
236 runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME;
237 }
238
239 runtime->private_data = stream;
240
241 dma_params = kzalloc(sizeof(*dma_params), GFP_KERNEL);
242 if (!dma_params)
243 return -ENOMEM;
244
245 dma_params->stream_tag = hdac_stream(stream)->stream_tag;
246 snd_soc_dai_set_dma_data(dai, substream, dma_params);
247
248 dev_dbg(dai->dev, "stream tag set in dma params=%d\n",
249 dma_params->stream_tag);
250 skl_set_suspend_active(substream, dai, true);
251 snd_pcm_set_sync(substream);
252
253 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
254 if (!mconfig)
255 return -EINVAL;
256
257 skl_tplg_d0i3_get(skl, mconfig->d0i3_caps);
258
259 return 0;
260 }
261
skl_pcm_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)262 static int skl_pcm_prepare(struct snd_pcm_substream *substream,
263 struct snd_soc_dai *dai)
264 {
265 struct skl_dev *skl = get_skl_ctx(dai->dev);
266 struct skl_module_cfg *mconfig;
267 int ret;
268
269 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
270
271 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
272
273 /*
274 * In case of XRUN recovery or in the case when the application
275 * calls prepare another time, reset the FW pipe to clean state
276 */
277 if (mconfig &&
278 (substream->runtime->status->state == SNDRV_PCM_STATE_XRUN ||
279 mconfig->pipe->state == SKL_PIPE_CREATED ||
280 mconfig->pipe->state == SKL_PIPE_PAUSED)) {
281
282 ret = skl_reset_pipe(skl, mconfig->pipe);
283
284 if (ret < 0)
285 return ret;
286
287 ret = skl_pcm_host_dma_prepare(dai->dev,
288 mconfig->pipe->p_params);
289 if (ret < 0)
290 return ret;
291 }
292
293 return 0;
294 }
295
skl_pcm_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)296 static int skl_pcm_hw_params(struct snd_pcm_substream *substream,
297 struct snd_pcm_hw_params *params,
298 struct snd_soc_dai *dai)
299 {
300 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
301 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
302 struct snd_pcm_runtime *runtime = substream->runtime;
303 struct skl_pipe_params p_params = {0};
304 struct skl_module_cfg *m_cfg;
305 int ret, dma_id;
306
307 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
308 ret = skl_substream_alloc_pages(bus, substream,
309 params_buffer_bytes(params));
310 if (ret < 0)
311 return ret;
312
313 dev_dbg(dai->dev, "format_val, rate=%d, ch=%d, format=%d\n",
314 runtime->rate, runtime->channels, runtime->format);
315
316 dma_id = hdac_stream(stream)->stream_tag - 1;
317 dev_dbg(dai->dev, "dma_id=%d\n", dma_id);
318
319 p_params.s_fmt = snd_pcm_format_width(params_format(params));
320 p_params.ch = params_channels(params);
321 p_params.s_freq = params_rate(params);
322 p_params.host_dma_id = dma_id;
323 p_params.stream = substream->stream;
324 p_params.format = params_format(params);
325 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
326 p_params.host_bps = dai->driver->playback.sig_bits;
327 else
328 p_params.host_bps = dai->driver->capture.sig_bits;
329
330
331 m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream);
332 if (m_cfg)
333 skl_tplg_update_pipe_params(dai->dev, m_cfg, &p_params);
334
335 return 0;
336 }
337
skl_pcm_close(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)338 static void skl_pcm_close(struct snd_pcm_substream *substream,
339 struct snd_soc_dai *dai)
340 {
341 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
342 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
343 struct skl_dma_params *dma_params = NULL;
344 struct skl_dev *skl = bus_to_skl(bus);
345 struct skl_module_cfg *mconfig;
346
347 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
348
349 snd_hdac_ext_stream_release(stream, skl_get_host_stream_type(bus));
350
351 dma_params = snd_soc_dai_get_dma_data(dai, substream);
352 /*
353 * now we should set this to NULL as we are freeing by the
354 * dma_params
355 */
356 snd_soc_dai_set_dma_data(dai, substream, NULL);
357 skl_set_suspend_active(substream, dai, false);
358
359 /*
360 * check if close is for "Reference Pin" and set back the
361 * CGCTL.MISCBDCGE if disabled by driver
362 */
363 if (!strncmp(dai->name, "Reference Pin", 13) &&
364 skl->miscbdcg_disabled) {
365 skl->enable_miscbdcge(dai->dev, true);
366 skl->miscbdcg_disabled = false;
367 }
368
369 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
370 if (mconfig)
371 skl_tplg_d0i3_put(skl, mconfig->d0i3_caps);
372
373 kfree(dma_params);
374 }
375
skl_pcm_hw_free(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)376 static int skl_pcm_hw_free(struct snd_pcm_substream *substream,
377 struct snd_soc_dai *dai)
378 {
379 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
380 struct skl_dev *skl = get_skl_ctx(dai->dev);
381 struct skl_module_cfg *mconfig;
382 int ret;
383
384 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
385
386 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
387
388 if (mconfig) {
389 ret = skl_reset_pipe(skl, mconfig->pipe);
390 if (ret < 0)
391 dev_err(dai->dev, "%s:Reset failed ret =%d",
392 __func__, ret);
393 }
394
395 snd_hdac_stream_cleanup(hdac_stream(stream));
396 hdac_stream(stream)->prepared = 0;
397
398 return 0;
399 }
400
skl_be_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)401 static int skl_be_hw_params(struct snd_pcm_substream *substream,
402 struct snd_pcm_hw_params *params,
403 struct snd_soc_dai *dai)
404 {
405 struct skl_pipe_params p_params = {0};
406
407 p_params.s_fmt = snd_pcm_format_width(params_format(params));
408 p_params.ch = params_channels(params);
409 p_params.s_freq = params_rate(params);
410 p_params.stream = substream->stream;
411
412 return skl_tplg_be_update_params(dai, &p_params);
413 }
414
skl_decoupled_trigger(struct snd_pcm_substream * substream,int cmd)415 static int skl_decoupled_trigger(struct snd_pcm_substream *substream,
416 int cmd)
417 {
418 struct hdac_bus *bus = get_bus_ctx(substream);
419 struct hdac_ext_stream *stream;
420 int start;
421 unsigned long cookie;
422 struct hdac_stream *hstr;
423
424 stream = get_hdac_ext_stream(substream);
425 hstr = hdac_stream(stream);
426
427 if (!hstr->prepared)
428 return -EPIPE;
429
430 switch (cmd) {
431 case SNDRV_PCM_TRIGGER_START:
432 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
433 case SNDRV_PCM_TRIGGER_RESUME:
434 start = 1;
435 break;
436
437 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
438 case SNDRV_PCM_TRIGGER_SUSPEND:
439 case SNDRV_PCM_TRIGGER_STOP:
440 start = 0;
441 break;
442
443 default:
444 return -EINVAL;
445 }
446
447 spin_lock_irqsave(&bus->reg_lock, cookie);
448
449 if (start) {
450 snd_hdac_stream_start(hdac_stream(stream), true);
451 snd_hdac_stream_timecounter_init(hstr, 0);
452 } else {
453 snd_hdac_stream_stop(hdac_stream(stream));
454 }
455
456 spin_unlock_irqrestore(&bus->reg_lock, cookie);
457
458 return 0;
459 }
460
skl_pcm_trigger(struct snd_pcm_substream * substream,int cmd,struct snd_soc_dai * dai)461 static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
462 struct snd_soc_dai *dai)
463 {
464 struct skl_dev *skl = get_skl_ctx(dai->dev);
465 struct skl_module_cfg *mconfig;
466 struct hdac_bus *bus = get_bus_ctx(substream);
467 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
468 struct snd_soc_dapm_widget *w;
469 int ret;
470
471 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
472 if (!mconfig)
473 return -EIO;
474
475 w = snd_soc_dai_get_widget(dai, substream->stream);
476
477 switch (cmd) {
478 case SNDRV_PCM_TRIGGER_RESUME:
479 if (!w->ignore_suspend) {
480 /*
481 * enable DMA Resume enable bit for the stream, set the
482 * dpib & lpib position to resume before starting the
483 * DMA
484 */
485 snd_hdac_ext_stream_drsm_enable(bus, true,
486 hdac_stream(stream)->index);
487 snd_hdac_ext_stream_set_dpibr(bus, stream,
488 stream->lpib);
489 snd_hdac_ext_stream_set_lpib(stream, stream->lpib);
490 }
491 fallthrough;
492
493 case SNDRV_PCM_TRIGGER_START:
494 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
495 /*
496 * Start HOST DMA and Start FE Pipe.This is to make sure that
497 * there are no underrun/overrun in the case when the FE
498 * pipeline is started but there is a delay in starting the
499 * DMA channel on the host.
500 */
501 ret = skl_decoupled_trigger(substream, cmd);
502 if (ret < 0)
503 return ret;
504 return skl_run_pipe(skl, mconfig->pipe);
505
506 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
507 case SNDRV_PCM_TRIGGER_SUSPEND:
508 case SNDRV_PCM_TRIGGER_STOP:
509 /*
510 * Stop FE Pipe first and stop DMA. This is to make sure that
511 * there are no underrun/overrun in the case if there is a delay
512 * between the two operations.
513 */
514 ret = skl_stop_pipe(skl, mconfig->pipe);
515 if (ret < 0)
516 return ret;
517
518 ret = skl_decoupled_trigger(substream, cmd);
519 if ((cmd == SNDRV_PCM_TRIGGER_SUSPEND) && !w->ignore_suspend) {
520 /* save the dpib and lpib positions */
521 stream->dpib = readl(bus->remap_addr +
522 AZX_REG_VS_SDXDPIB_XBASE +
523 (AZX_REG_VS_SDXDPIB_XINTERVAL *
524 hdac_stream(stream)->index));
525
526 stream->lpib = snd_hdac_stream_get_pos_lpib(
527 hdac_stream(stream));
528 snd_hdac_ext_stream_decouple(bus, stream, false);
529 }
530 break;
531
532 default:
533 return -EINVAL;
534 }
535
536 return 0;
537 }
538
539
skl_link_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)540 static int skl_link_hw_params(struct snd_pcm_substream *substream,
541 struct snd_pcm_hw_params *params,
542 struct snd_soc_dai *dai)
543 {
544 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
545 struct hdac_ext_stream *link_dev;
546 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
547 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
548 struct skl_pipe_params p_params = {0};
549 struct hdac_ext_link *link;
550 int stream_tag;
551
552 link_dev = snd_hdac_ext_stream_assign(bus, substream,
553 HDAC_EXT_STREAM_TYPE_LINK);
554 if (!link_dev)
555 return -EBUSY;
556
557 snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
558
559 link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name);
560 if (!link)
561 return -EINVAL;
562
563 stream_tag = hdac_stream(link_dev)->stream_tag;
564
565 /* set the stream tag in the codec dai dma params */
566 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
567 snd_soc_dai_set_tdm_slot(codec_dai, stream_tag, 0, 0, 0);
568 else
569 snd_soc_dai_set_tdm_slot(codec_dai, 0, stream_tag, 0, 0);
570
571 p_params.s_fmt = snd_pcm_format_width(params_format(params));
572 p_params.ch = params_channels(params);
573 p_params.s_freq = params_rate(params);
574 p_params.stream = substream->stream;
575 p_params.link_dma_id = stream_tag - 1;
576 p_params.link_index = link->index;
577 p_params.format = params_format(params);
578
579 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
580 p_params.link_bps = codec_dai->driver->playback.sig_bits;
581 else
582 p_params.link_bps = codec_dai->driver->capture.sig_bits;
583
584 return skl_tplg_be_update_params(dai, &p_params);
585 }
586
skl_link_pcm_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)587 static int skl_link_pcm_prepare(struct snd_pcm_substream *substream,
588 struct snd_soc_dai *dai)
589 {
590 struct skl_dev *skl = get_skl_ctx(dai->dev);
591 struct skl_module_cfg *mconfig = NULL;
592
593 /* In case of XRUN recovery, reset the FW pipe to clean state */
594 mconfig = skl_tplg_be_get_cpr_module(dai, substream->stream);
595 if (mconfig && !mconfig->pipe->passthru &&
596 (substream->runtime->status->state == SNDRV_PCM_STATE_XRUN))
597 skl_reset_pipe(skl, mconfig->pipe);
598
599 return 0;
600 }
601
skl_link_pcm_trigger(struct snd_pcm_substream * substream,int cmd,struct snd_soc_dai * dai)602 static int skl_link_pcm_trigger(struct snd_pcm_substream *substream,
603 int cmd, struct snd_soc_dai *dai)
604 {
605 struct hdac_ext_stream *link_dev =
606 snd_soc_dai_get_dma_data(dai, substream);
607 struct hdac_bus *bus = get_bus_ctx(substream);
608 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
609
610 dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd);
611 switch (cmd) {
612 case SNDRV_PCM_TRIGGER_RESUME:
613 case SNDRV_PCM_TRIGGER_START:
614 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
615 snd_hdac_ext_link_stream_start(link_dev);
616 break;
617
618 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
619 case SNDRV_PCM_TRIGGER_SUSPEND:
620 case SNDRV_PCM_TRIGGER_STOP:
621 snd_hdac_ext_link_stream_clear(link_dev);
622 if (cmd == SNDRV_PCM_TRIGGER_SUSPEND)
623 snd_hdac_ext_stream_decouple(bus, stream, false);
624 break;
625
626 default:
627 return -EINVAL;
628 }
629 return 0;
630 }
631
skl_link_hw_free(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)632 static int skl_link_hw_free(struct snd_pcm_substream *substream,
633 struct snd_soc_dai *dai)
634 {
635 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
636 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
637 struct hdac_ext_stream *link_dev =
638 snd_soc_dai_get_dma_data(dai, substream);
639 struct hdac_ext_link *link;
640 unsigned char stream_tag;
641
642 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
643
644 link_dev->link_prepared = 0;
645
646 link = snd_hdac_ext_bus_get_link(bus, asoc_rtd_to_codec(rtd, 0)->component->name);
647 if (!link)
648 return -EINVAL;
649
650 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
651 stream_tag = hdac_stream(link_dev)->stream_tag;
652 snd_hdac_ext_link_clear_stream_id(link, stream_tag);
653 }
654
655 snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK);
656 return 0;
657 }
658
659 static const struct snd_soc_dai_ops skl_pcm_dai_ops = {
660 .startup = skl_pcm_open,
661 .shutdown = skl_pcm_close,
662 .prepare = skl_pcm_prepare,
663 .hw_params = skl_pcm_hw_params,
664 .hw_free = skl_pcm_hw_free,
665 .trigger = skl_pcm_trigger,
666 };
667
668 static const struct snd_soc_dai_ops skl_dmic_dai_ops = {
669 .hw_params = skl_be_hw_params,
670 };
671
672 static const struct snd_soc_dai_ops skl_be_ssp_dai_ops = {
673 .hw_params = skl_be_hw_params,
674 };
675
676 static const struct snd_soc_dai_ops skl_link_dai_ops = {
677 .prepare = skl_link_pcm_prepare,
678 .hw_params = skl_link_hw_params,
679 .hw_free = skl_link_hw_free,
680 .trigger = skl_link_pcm_trigger,
681 };
682
683 static struct snd_soc_dai_driver skl_fe_dai[] = {
684 {
685 .name = "System Pin",
686 .ops = &skl_pcm_dai_ops,
687 .playback = {
688 .stream_name = "System Playback",
689 .channels_min = HDA_MONO,
690 .channels_max = HDA_STEREO,
691 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000,
692 .formats = SNDRV_PCM_FMTBIT_S16_LE |
693 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
694 .sig_bits = 32,
695 },
696 .capture = {
697 .stream_name = "System Capture",
698 .channels_min = HDA_MONO,
699 .channels_max = HDA_STEREO,
700 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
701 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
702 .sig_bits = 32,
703 },
704 },
705 {
706 .name = "System Pin2",
707 .ops = &skl_pcm_dai_ops,
708 .playback = {
709 .stream_name = "Headset Playback",
710 .channels_min = HDA_MONO,
711 .channels_max = HDA_STEREO,
712 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 |
713 SNDRV_PCM_RATE_8000,
714 .formats = SNDRV_PCM_FMTBIT_S16_LE |
715 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
716 },
717 },
718 {
719 .name = "Echoref Pin",
720 .ops = &skl_pcm_dai_ops,
721 .capture = {
722 .stream_name = "Echoreference Capture",
723 .channels_min = HDA_STEREO,
724 .channels_max = HDA_STEREO,
725 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 |
726 SNDRV_PCM_RATE_8000,
727 .formats = SNDRV_PCM_FMTBIT_S16_LE |
728 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
729 },
730 },
731 {
732 .name = "Reference Pin",
733 .ops = &skl_pcm_dai_ops,
734 .capture = {
735 .stream_name = "Reference Capture",
736 .channels_min = HDA_MONO,
737 .channels_max = HDA_QUAD,
738 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
739 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
740 .sig_bits = 32,
741 },
742 },
743 {
744 .name = "Deepbuffer Pin",
745 .ops = &skl_pcm_dai_ops,
746 .playback = {
747 .stream_name = "Deepbuffer Playback",
748 .channels_min = HDA_STEREO,
749 .channels_max = HDA_STEREO,
750 .rates = SNDRV_PCM_RATE_48000,
751 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
752 .sig_bits = 32,
753 },
754 },
755 {
756 .name = "LowLatency Pin",
757 .ops = &skl_pcm_dai_ops,
758 .playback = {
759 .stream_name = "Low Latency Playback",
760 .channels_min = HDA_STEREO,
761 .channels_max = HDA_STEREO,
762 .rates = SNDRV_PCM_RATE_48000,
763 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
764 .sig_bits = 32,
765 },
766 },
767 {
768 .name = "DMIC Pin",
769 .ops = &skl_pcm_dai_ops,
770 .capture = {
771 .stream_name = "DMIC Capture",
772 .channels_min = HDA_MONO,
773 .channels_max = HDA_QUAD,
774 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
775 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
776 .sig_bits = 32,
777 },
778 },
779 {
780 .name = "HDMI1 Pin",
781 .ops = &skl_pcm_dai_ops,
782 .playback = {
783 .stream_name = "HDMI1 Playback",
784 .channels_min = HDA_STEREO,
785 .channels_max = 8,
786 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
787 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
788 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
789 SNDRV_PCM_RATE_192000,
790 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
791 SNDRV_PCM_FMTBIT_S32_LE,
792 .sig_bits = 32,
793 },
794 },
795 {
796 .name = "HDMI2 Pin",
797 .ops = &skl_pcm_dai_ops,
798 .playback = {
799 .stream_name = "HDMI2 Playback",
800 .channels_min = HDA_STEREO,
801 .channels_max = 8,
802 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
803 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
804 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
805 SNDRV_PCM_RATE_192000,
806 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
807 SNDRV_PCM_FMTBIT_S32_LE,
808 .sig_bits = 32,
809 },
810 },
811 {
812 .name = "HDMI3 Pin",
813 .ops = &skl_pcm_dai_ops,
814 .playback = {
815 .stream_name = "HDMI3 Playback",
816 .channels_min = HDA_STEREO,
817 .channels_max = 8,
818 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
819 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
820 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
821 SNDRV_PCM_RATE_192000,
822 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
823 SNDRV_PCM_FMTBIT_S32_LE,
824 .sig_bits = 32,
825 },
826 },
827 };
828
829 /* BE CPU Dais */
830 static struct snd_soc_dai_driver skl_platform_dai[] = {
831 {
832 .name = "SSP0 Pin",
833 .ops = &skl_be_ssp_dai_ops,
834 .playback = {
835 .stream_name = "ssp0 Tx",
836 .channels_min = HDA_STEREO,
837 .channels_max = HDA_STEREO,
838 .rates = SNDRV_PCM_RATE_48000,
839 .formats = SNDRV_PCM_FMTBIT_S16_LE,
840 },
841 .capture = {
842 .stream_name = "ssp0 Rx",
843 .channels_min = HDA_STEREO,
844 .channels_max = HDA_STEREO,
845 .rates = SNDRV_PCM_RATE_48000,
846 .formats = SNDRV_PCM_FMTBIT_S16_LE,
847 },
848 },
849 {
850 .name = "SSP1 Pin",
851 .ops = &skl_be_ssp_dai_ops,
852 .playback = {
853 .stream_name = "ssp1 Tx",
854 .channels_min = HDA_STEREO,
855 .channels_max = HDA_STEREO,
856 .rates = SNDRV_PCM_RATE_48000,
857 .formats = SNDRV_PCM_FMTBIT_S16_LE,
858 },
859 .capture = {
860 .stream_name = "ssp1 Rx",
861 .channels_min = HDA_STEREO,
862 .channels_max = HDA_STEREO,
863 .rates = SNDRV_PCM_RATE_48000,
864 .formats = SNDRV_PCM_FMTBIT_S16_LE,
865 },
866 },
867 {
868 .name = "SSP2 Pin",
869 .ops = &skl_be_ssp_dai_ops,
870 .playback = {
871 .stream_name = "ssp2 Tx",
872 .channels_min = HDA_STEREO,
873 .channels_max = HDA_STEREO,
874 .rates = SNDRV_PCM_RATE_48000,
875 .formats = SNDRV_PCM_FMTBIT_S16_LE,
876 },
877 .capture = {
878 .stream_name = "ssp2 Rx",
879 .channels_min = HDA_STEREO,
880 .channels_max = HDA_STEREO,
881 .rates = SNDRV_PCM_RATE_48000,
882 .formats = SNDRV_PCM_FMTBIT_S16_LE,
883 },
884 },
885 {
886 .name = "SSP3 Pin",
887 .ops = &skl_be_ssp_dai_ops,
888 .playback = {
889 .stream_name = "ssp3 Tx",
890 .channels_min = HDA_STEREO,
891 .channels_max = HDA_STEREO,
892 .rates = SNDRV_PCM_RATE_48000,
893 .formats = SNDRV_PCM_FMTBIT_S16_LE,
894 },
895 .capture = {
896 .stream_name = "ssp3 Rx",
897 .channels_min = HDA_STEREO,
898 .channels_max = HDA_STEREO,
899 .rates = SNDRV_PCM_RATE_48000,
900 .formats = SNDRV_PCM_FMTBIT_S16_LE,
901 },
902 },
903 {
904 .name = "SSP4 Pin",
905 .ops = &skl_be_ssp_dai_ops,
906 .playback = {
907 .stream_name = "ssp4 Tx",
908 .channels_min = HDA_STEREO,
909 .channels_max = HDA_STEREO,
910 .rates = SNDRV_PCM_RATE_48000,
911 .formats = SNDRV_PCM_FMTBIT_S16_LE,
912 },
913 .capture = {
914 .stream_name = "ssp4 Rx",
915 .channels_min = HDA_STEREO,
916 .channels_max = HDA_STEREO,
917 .rates = SNDRV_PCM_RATE_48000,
918 .formats = SNDRV_PCM_FMTBIT_S16_LE,
919 },
920 },
921 {
922 .name = "SSP5 Pin",
923 .ops = &skl_be_ssp_dai_ops,
924 .playback = {
925 .stream_name = "ssp5 Tx",
926 .channels_min = HDA_STEREO,
927 .channels_max = HDA_STEREO,
928 .rates = SNDRV_PCM_RATE_48000,
929 .formats = SNDRV_PCM_FMTBIT_S16_LE,
930 },
931 .capture = {
932 .stream_name = "ssp5 Rx",
933 .channels_min = HDA_STEREO,
934 .channels_max = HDA_STEREO,
935 .rates = SNDRV_PCM_RATE_48000,
936 .formats = SNDRV_PCM_FMTBIT_S16_LE,
937 },
938 },
939 {
940 .name = "iDisp1 Pin",
941 .ops = &skl_link_dai_ops,
942 .playback = {
943 .stream_name = "iDisp1 Tx",
944 .channels_min = HDA_STEREO,
945 .channels_max = 8,
946 .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000,
947 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE |
948 SNDRV_PCM_FMTBIT_S24_LE,
949 },
950 },
951 {
952 .name = "iDisp2 Pin",
953 .ops = &skl_link_dai_ops,
954 .playback = {
955 .stream_name = "iDisp2 Tx",
956 .channels_min = HDA_STEREO,
957 .channels_max = 8,
958 .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|
959 SNDRV_PCM_RATE_48000,
960 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE |
961 SNDRV_PCM_FMTBIT_S24_LE,
962 },
963 },
964 {
965 .name = "iDisp3 Pin",
966 .ops = &skl_link_dai_ops,
967 .playback = {
968 .stream_name = "iDisp3 Tx",
969 .channels_min = HDA_STEREO,
970 .channels_max = 8,
971 .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|
972 SNDRV_PCM_RATE_48000,
973 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE |
974 SNDRV_PCM_FMTBIT_S24_LE,
975 },
976 },
977 {
978 .name = "DMIC01 Pin",
979 .ops = &skl_dmic_dai_ops,
980 .capture = {
981 .stream_name = "DMIC01 Rx",
982 .channels_min = HDA_MONO,
983 .channels_max = HDA_QUAD,
984 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
985 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
986 },
987 },
988 {
989 .name = "DMIC16k Pin",
990 .ops = &skl_dmic_dai_ops,
991 .capture = {
992 .stream_name = "DMIC16k Rx",
993 .channels_min = HDA_MONO,
994 .channels_max = HDA_QUAD,
995 .rates = SNDRV_PCM_RATE_16000,
996 .formats = SNDRV_PCM_FMTBIT_S16_LE,
997 },
998 },
999 {
1000 .name = "Analog CPU DAI",
1001 .ops = &skl_link_dai_ops,
1002 .playback = {
1003 .stream_name = "Analog CPU Playback",
1004 .channels_min = HDA_MONO,
1005 .channels_max = HDA_MAX,
1006 .rates = SNDRV_PCM_RATE_8000_192000,
1007 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
1008 SNDRV_PCM_FMTBIT_S32_LE,
1009 },
1010 .capture = {
1011 .stream_name = "Analog CPU Capture",
1012 .channels_min = HDA_MONO,
1013 .channels_max = HDA_MAX,
1014 .rates = SNDRV_PCM_RATE_8000_192000,
1015 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
1016 SNDRV_PCM_FMTBIT_S32_LE,
1017 },
1018 },
1019 {
1020 .name = "Alt Analog CPU DAI",
1021 .ops = &skl_link_dai_ops,
1022 .playback = {
1023 .stream_name = "Alt Analog CPU Playback",
1024 .channels_min = HDA_MONO,
1025 .channels_max = HDA_MAX,
1026 .rates = SNDRV_PCM_RATE_8000_192000,
1027 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
1028 SNDRV_PCM_FMTBIT_S32_LE,
1029 },
1030 .capture = {
1031 .stream_name = "Alt Analog CPU Capture",
1032 .channels_min = HDA_MONO,
1033 .channels_max = HDA_MAX,
1034 .rates = SNDRV_PCM_RATE_8000_192000,
1035 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
1036 SNDRV_PCM_FMTBIT_S32_LE,
1037 },
1038 },
1039 {
1040 .name = "Digital CPU DAI",
1041 .ops = &skl_link_dai_ops,
1042 .playback = {
1043 .stream_name = "Digital CPU Playback",
1044 .channels_min = HDA_MONO,
1045 .channels_max = HDA_MAX,
1046 .rates = SNDRV_PCM_RATE_8000_192000,
1047 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
1048 SNDRV_PCM_FMTBIT_S32_LE,
1049 },
1050 .capture = {
1051 .stream_name = "Digital CPU Capture",
1052 .channels_min = HDA_MONO,
1053 .channels_max = HDA_MAX,
1054 .rates = SNDRV_PCM_RATE_8000_192000,
1055 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
1056 SNDRV_PCM_FMTBIT_S32_LE,
1057 },
1058 },
1059 };
1060
skl_dai_load(struct snd_soc_component * cmp,int index,struct snd_soc_dai_driver * dai_drv,struct snd_soc_tplg_pcm * pcm,struct snd_soc_dai * dai)1061 int skl_dai_load(struct snd_soc_component *cmp, int index,
1062 struct snd_soc_dai_driver *dai_drv,
1063 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
1064 {
1065 dai_drv->ops = &skl_pcm_dai_ops;
1066
1067 return 0;
1068 }
1069
skl_platform_soc_open(struct snd_soc_component * component,struct snd_pcm_substream * substream)1070 static int skl_platform_soc_open(struct snd_soc_component *component,
1071 struct snd_pcm_substream *substream)
1072 {
1073 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1074 struct snd_soc_dai_link *dai_link = rtd->dai_link;
1075
1076 dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "In %s:%s\n", __func__,
1077 dai_link->cpus->dai_name);
1078
1079 snd_soc_set_runtime_hwparams(substream, &azx_pcm_hw);
1080
1081 return 0;
1082 }
1083
skl_coupled_trigger(struct snd_pcm_substream * substream,int cmd)1084 static int skl_coupled_trigger(struct snd_pcm_substream *substream,
1085 int cmd)
1086 {
1087 struct hdac_bus *bus = get_bus_ctx(substream);
1088 struct hdac_ext_stream *stream;
1089 struct snd_pcm_substream *s;
1090 bool start;
1091 int sbits = 0;
1092 unsigned long cookie;
1093 struct hdac_stream *hstr;
1094
1095 stream = get_hdac_ext_stream(substream);
1096 hstr = hdac_stream(stream);
1097
1098 dev_dbg(bus->dev, "In %s cmd=%d\n", __func__, cmd);
1099
1100 if (!hstr->prepared)
1101 return -EPIPE;
1102
1103 switch (cmd) {
1104 case SNDRV_PCM_TRIGGER_START:
1105 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1106 case SNDRV_PCM_TRIGGER_RESUME:
1107 start = true;
1108 break;
1109
1110 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1111 case SNDRV_PCM_TRIGGER_SUSPEND:
1112 case SNDRV_PCM_TRIGGER_STOP:
1113 start = false;
1114 break;
1115
1116 default:
1117 return -EINVAL;
1118 }
1119
1120 snd_pcm_group_for_each_entry(s, substream) {
1121 if (s->pcm->card != substream->pcm->card)
1122 continue;
1123 stream = get_hdac_ext_stream(s);
1124 sbits |= 1 << hdac_stream(stream)->index;
1125 snd_pcm_trigger_done(s, substream);
1126 }
1127
1128 spin_lock_irqsave(&bus->reg_lock, cookie);
1129
1130 /* first, set SYNC bits of corresponding streams */
1131 snd_hdac_stream_sync_trigger(hstr, true, sbits, AZX_REG_SSYNC);
1132
1133 snd_pcm_group_for_each_entry(s, substream) {
1134 if (s->pcm->card != substream->pcm->card)
1135 continue;
1136 stream = get_hdac_ext_stream(s);
1137 if (start)
1138 snd_hdac_stream_start(hdac_stream(stream), true);
1139 else
1140 snd_hdac_stream_stop(hdac_stream(stream));
1141 }
1142 spin_unlock_irqrestore(&bus->reg_lock, cookie);
1143
1144 snd_hdac_stream_sync(hstr, start, sbits);
1145
1146 spin_lock_irqsave(&bus->reg_lock, cookie);
1147
1148 /* reset SYNC bits */
1149 snd_hdac_stream_sync_trigger(hstr, false, sbits, AZX_REG_SSYNC);
1150 if (start)
1151 snd_hdac_stream_timecounter_init(hstr, sbits);
1152 spin_unlock_irqrestore(&bus->reg_lock, cookie);
1153
1154 return 0;
1155 }
1156
skl_platform_soc_trigger(struct snd_soc_component * component,struct snd_pcm_substream * substream,int cmd)1157 static int skl_platform_soc_trigger(struct snd_soc_component *component,
1158 struct snd_pcm_substream *substream,
1159 int cmd)
1160 {
1161 struct hdac_bus *bus = get_bus_ctx(substream);
1162
1163 if (!bus->ppcap)
1164 return skl_coupled_trigger(substream, cmd);
1165
1166 return 0;
1167 }
1168
skl_platform_soc_pointer(struct snd_soc_component * component,struct snd_pcm_substream * substream)1169 static snd_pcm_uframes_t skl_platform_soc_pointer(
1170 struct snd_soc_component *component,
1171 struct snd_pcm_substream *substream)
1172 {
1173 struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream);
1174 struct hdac_bus *bus = get_bus_ctx(substream);
1175 unsigned int pos;
1176
1177 /*
1178 * Use DPIB for Playback stream as the periodic DMA Position-in-
1179 * Buffer Writes may be scheduled at the same time or later than
1180 * the MSI and does not guarantee to reflect the Position of the
1181 * last buffer that was transferred. Whereas DPIB register in
1182 * HAD space reflects the actual data that is transferred.
1183 * Use the position buffer for capture, as DPIB write gets
1184 * completed earlier than the actual data written to the DDR.
1185 *
1186 * For capture stream following workaround is required to fix the
1187 * incorrect position reporting.
1188 *
1189 * 1. Wait for 20us before reading the DMA position in buffer once
1190 * the interrupt is generated for stream completion as update happens
1191 * on the HDA frame boundary i.e. 20.833uSec.
1192 * 2. Read DPIB register to flush the DMA position value. This dummy
1193 * read is required to flush DMA position value.
1194 * 3. Read the DMA Position-in-Buffer. This value now will be equal to
1195 * or greater than period boundary.
1196 */
1197
1198 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1199 pos = readl(bus->remap_addr + AZX_REG_VS_SDXDPIB_XBASE +
1200 (AZX_REG_VS_SDXDPIB_XINTERVAL *
1201 hdac_stream(hstream)->index));
1202 } else {
1203 udelay(20);
1204 readl(bus->remap_addr +
1205 AZX_REG_VS_SDXDPIB_XBASE +
1206 (AZX_REG_VS_SDXDPIB_XINTERVAL *
1207 hdac_stream(hstream)->index));
1208 pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream));
1209 }
1210
1211 if (pos >= hdac_stream(hstream)->bufsize)
1212 pos = 0;
1213
1214 return bytes_to_frames(substream->runtime, pos);
1215 }
1216
skl_platform_soc_mmap(struct snd_soc_component * component,struct snd_pcm_substream * substream,struct vm_area_struct * area)1217 static int skl_platform_soc_mmap(struct snd_soc_component *component,
1218 struct snd_pcm_substream *substream,
1219 struct vm_area_struct *area)
1220 {
1221 return snd_pcm_lib_default_mmap(substream, area);
1222 }
1223
skl_adjust_codec_delay(struct snd_pcm_substream * substream,u64 nsec)1224 static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream,
1225 u64 nsec)
1226 {
1227 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1228 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
1229 u64 codec_frames, codec_nsecs;
1230
1231 if (!codec_dai->driver->ops->delay)
1232 return nsec;
1233
1234 codec_frames = codec_dai->driver->ops->delay(substream, codec_dai);
1235 codec_nsecs = div_u64(codec_frames * 1000000000LL,
1236 substream->runtime->rate);
1237
1238 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
1239 return nsec + codec_nsecs;
1240
1241 return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0;
1242 }
1243
skl_platform_soc_get_time_info(struct snd_soc_component * component,struct snd_pcm_substream * substream,struct timespec64 * system_ts,struct timespec64 * audio_ts,struct snd_pcm_audio_tstamp_config * audio_tstamp_config,struct snd_pcm_audio_tstamp_report * audio_tstamp_report)1244 static int skl_platform_soc_get_time_info(
1245 struct snd_soc_component *component,
1246 struct snd_pcm_substream *substream,
1247 struct timespec64 *system_ts, struct timespec64 *audio_ts,
1248 struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
1249 struct snd_pcm_audio_tstamp_report *audio_tstamp_report)
1250 {
1251 struct hdac_ext_stream *sstream = get_hdac_ext_stream(substream);
1252 struct hdac_stream *hstr = hdac_stream(sstream);
1253 u64 nsec;
1254
1255 if ((substream->runtime->hw.info & SNDRV_PCM_INFO_HAS_LINK_ATIME) &&
1256 (audio_tstamp_config->type_requested == SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK)) {
1257
1258 snd_pcm_gettime(substream->runtime, system_ts);
1259
1260 nsec = timecounter_read(&hstr->tc);
1261 nsec = div_u64(nsec, 3); /* can be optimized */
1262 if (audio_tstamp_config->report_delay)
1263 nsec = skl_adjust_codec_delay(substream, nsec);
1264
1265 *audio_ts = ns_to_timespec64(nsec);
1266
1267 audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK;
1268 audio_tstamp_report->accuracy_report = 1; /* rest of struct is valid */
1269 audio_tstamp_report->accuracy = 42; /* 24MHzWallClk == 42ns resolution */
1270
1271 } else {
1272 audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT;
1273 }
1274
1275 return 0;
1276 }
1277
1278 #define MAX_PREALLOC_SIZE (32 * 1024 * 1024)
1279
skl_platform_soc_new(struct snd_soc_component * component,struct snd_soc_pcm_runtime * rtd)1280 static int skl_platform_soc_new(struct snd_soc_component *component,
1281 struct snd_soc_pcm_runtime *rtd)
1282 {
1283 struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
1284 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
1285 struct snd_pcm *pcm = rtd->pcm;
1286 unsigned int size;
1287 struct skl_dev *skl = bus_to_skl(bus);
1288
1289 if (dai->driver->playback.channels_min ||
1290 dai->driver->capture.channels_min) {
1291 /* buffer pre-allocation */
1292 size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
1293 if (size > MAX_PREALLOC_SIZE)
1294 size = MAX_PREALLOC_SIZE;
1295 snd_pcm_set_managed_buffer_all(pcm,
1296 SNDRV_DMA_TYPE_DEV_SG,
1297 &skl->pci->dev,
1298 size, MAX_PREALLOC_SIZE);
1299 }
1300
1301 return 0;
1302 }
1303
skl_get_module_info(struct skl_dev * skl,struct skl_module_cfg * mconfig)1304 static int skl_get_module_info(struct skl_dev *skl,
1305 struct skl_module_cfg *mconfig)
1306 {
1307 struct skl_module_inst_id *pin_id;
1308 guid_t *uuid_mod, *uuid_tplg;
1309 struct skl_module *skl_module;
1310 struct uuid_module *module;
1311 int i, ret = -EIO;
1312
1313 uuid_mod = (guid_t *)mconfig->guid;
1314
1315 if (list_empty(&skl->uuid_list)) {
1316 dev_err(skl->dev, "Module list is empty\n");
1317 return -EIO;
1318 }
1319
1320 list_for_each_entry(module, &skl->uuid_list, list) {
1321 if (guid_equal(uuid_mod, &module->uuid)) {
1322 mconfig->id.module_id = module->id;
1323 if (mconfig->module)
1324 mconfig->module->loadable = module->is_loadable;
1325 ret = 0;
1326 break;
1327 }
1328 }
1329
1330 if (ret)
1331 return ret;
1332
1333 uuid_mod = &module->uuid;
1334 ret = -EIO;
1335 for (i = 0; i < skl->nr_modules; i++) {
1336 skl_module = skl->modules[i];
1337 uuid_tplg = &skl_module->uuid;
1338 if (guid_equal(uuid_mod, uuid_tplg)) {
1339 mconfig->module = skl_module;
1340 ret = 0;
1341 break;
1342 }
1343 }
1344 if (skl->nr_modules && ret)
1345 return ret;
1346
1347 list_for_each_entry(module, &skl->uuid_list, list) {
1348 for (i = 0; i < MAX_IN_QUEUE; i++) {
1349 pin_id = &mconfig->m_in_pin[i].id;
1350 if (guid_equal(&pin_id->mod_uuid, &module->uuid))
1351 pin_id->module_id = module->id;
1352 }
1353
1354 for (i = 0; i < MAX_OUT_QUEUE; i++) {
1355 pin_id = &mconfig->m_out_pin[i].id;
1356 if (guid_equal(&pin_id->mod_uuid, &module->uuid))
1357 pin_id->module_id = module->id;
1358 }
1359 }
1360
1361 return 0;
1362 }
1363
skl_populate_modules(struct skl_dev * skl)1364 static int skl_populate_modules(struct skl_dev *skl)
1365 {
1366 struct skl_pipeline *p;
1367 struct skl_pipe_module *m;
1368 struct snd_soc_dapm_widget *w;
1369 struct skl_module_cfg *mconfig;
1370 int ret = 0;
1371
1372 list_for_each_entry(p, &skl->ppl_list, node) {
1373 list_for_each_entry(m, &p->pipe->w_list, node) {
1374 w = m->w;
1375 mconfig = w->priv;
1376
1377 ret = skl_get_module_info(skl, mconfig);
1378 if (ret < 0) {
1379 dev_err(skl->dev,
1380 "query module info failed\n");
1381 return ret;
1382 }
1383
1384 skl_tplg_add_moduleid_in_bind_params(skl, w);
1385 }
1386 }
1387
1388 return ret;
1389 }
1390
skl_platform_soc_probe(struct snd_soc_component * component)1391 static int skl_platform_soc_probe(struct snd_soc_component *component)
1392 {
1393 struct hdac_bus *bus = dev_get_drvdata(component->dev);
1394 struct skl_dev *skl = bus_to_skl(bus);
1395 const struct skl_dsp_ops *ops;
1396 int ret;
1397
1398 pm_runtime_get_sync(component->dev);
1399 if (bus->ppcap) {
1400 skl->component = component;
1401
1402 /* init debugfs */
1403 skl->debugfs = skl_debugfs_init(skl);
1404
1405 ret = skl_tplg_init(component, bus);
1406 if (ret < 0) {
1407 dev_err(component->dev, "Failed to init topology!\n");
1408 return ret;
1409 }
1410
1411 /* load the firmwares, since all is set */
1412 ops = skl_get_dsp_ops(skl->pci->device);
1413 if (!ops)
1414 return -EIO;
1415
1416 /*
1417 * Disable dynamic clock and power gating during firmware
1418 * and library download
1419 */
1420 skl->enable_miscbdcge(component->dev, false);
1421 skl->clock_power_gating(component->dev, false);
1422
1423 ret = ops->init_fw(component->dev, skl);
1424 skl->enable_miscbdcge(component->dev, true);
1425 skl->clock_power_gating(component->dev, true);
1426 if (ret < 0) {
1427 dev_err(component->dev, "Failed to boot first fw: %d\n", ret);
1428 return ret;
1429 }
1430 skl_populate_modules(skl);
1431 skl->update_d0i3c = skl_update_d0i3c;
1432
1433 if (skl->cfg.astate_cfg != NULL) {
1434 skl_dsp_set_astate_cfg(skl,
1435 skl->cfg.astate_cfg->count,
1436 skl->cfg.astate_cfg);
1437 }
1438 }
1439 pm_runtime_mark_last_busy(component->dev);
1440 pm_runtime_put_autosuspend(component->dev);
1441
1442 return 0;
1443 }
1444
skl_platform_soc_remove(struct snd_soc_component * component)1445 static void skl_platform_soc_remove(struct snd_soc_component *component)
1446 {
1447 struct hdac_bus *bus = dev_get_drvdata(component->dev);
1448 struct skl_dev *skl = bus_to_skl(bus);
1449
1450 skl_tplg_exit(component, bus);
1451
1452 skl_debugfs_exit(skl);
1453 }
1454
1455 static const struct snd_soc_component_driver skl_component = {
1456 .name = "pcm",
1457 .probe = skl_platform_soc_probe,
1458 .remove = skl_platform_soc_remove,
1459 .open = skl_platform_soc_open,
1460 .trigger = skl_platform_soc_trigger,
1461 .pointer = skl_platform_soc_pointer,
1462 .get_time_info = skl_platform_soc_get_time_info,
1463 .mmap = skl_platform_soc_mmap,
1464 .pcm_construct = skl_platform_soc_new,
1465 .module_get_upon_open = 1, /* increment refcount when a pcm is opened */
1466 };
1467
skl_platform_register(struct device * dev)1468 int skl_platform_register(struct device *dev)
1469 {
1470 int ret;
1471 struct snd_soc_dai_driver *dais;
1472 int num_dais = ARRAY_SIZE(skl_platform_dai);
1473 struct hdac_bus *bus = dev_get_drvdata(dev);
1474 struct skl_dev *skl = bus_to_skl(bus);
1475
1476 skl->dais = kmemdup(skl_platform_dai, sizeof(skl_platform_dai),
1477 GFP_KERNEL);
1478 if (!skl->dais) {
1479 ret = -ENOMEM;
1480 goto err;
1481 }
1482
1483 if (!skl->use_tplg_pcm) {
1484 dais = krealloc(skl->dais, sizeof(skl_fe_dai) +
1485 sizeof(skl_platform_dai), GFP_KERNEL);
1486 if (!dais) {
1487 ret = -ENOMEM;
1488 goto err;
1489 }
1490
1491 skl->dais = dais;
1492 memcpy(&skl->dais[ARRAY_SIZE(skl_platform_dai)], skl_fe_dai,
1493 sizeof(skl_fe_dai));
1494 num_dais += ARRAY_SIZE(skl_fe_dai);
1495 }
1496
1497 ret = devm_snd_soc_register_component(dev, &skl_component,
1498 skl->dais, num_dais);
1499 if (ret)
1500 dev_err(dev, "soc component registration failed %d\n", ret);
1501 err:
1502 return ret;
1503 }
1504
skl_platform_unregister(struct device * dev)1505 int skl_platform_unregister(struct device *dev)
1506 {
1507 struct hdac_bus *bus = dev_get_drvdata(dev);
1508 struct skl_dev *skl = bus_to_skl(bus);
1509 struct skl_module_deferred_bind *modules, *tmp;
1510
1511 list_for_each_entry_safe(modules, tmp, &skl->bind_list, node) {
1512 list_del(&modules->node);
1513 kfree(modules);
1514 }
1515
1516 kfree(skl->dais);
1517
1518 return 0;
1519 }
1520