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/hdaudio.h>
17 #include <sound/pcm_params.h>
18 #include <sound/soc.h>
19 #include "skl.h"
20 #include "skl-topology.h"
21 #include "skl-sst-dsp.h"
22 #include "skl-sst-ipc.h"
23
24 #define HDA_MONO 1
25 #define HDA_STEREO 2
26 #define HDA_QUAD 4
27 #define HDA_MAX 8
28
29 static const struct snd_pcm_hardware azx_pcm_hw = {
30 .info = (SNDRV_PCM_INFO_MMAP |
31 SNDRV_PCM_INFO_INTERLEAVED |
32 SNDRV_PCM_INFO_BLOCK_TRANSFER |
33 SNDRV_PCM_INFO_MMAP_VALID |
34 SNDRV_PCM_INFO_PAUSE |
35 SNDRV_PCM_INFO_RESUME |
36 SNDRV_PCM_INFO_SYNC_START |
37 SNDRV_PCM_INFO_HAS_WALL_CLOCK | /* legacy */
38 SNDRV_PCM_INFO_HAS_LINK_ATIME |
39 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
40 .formats = SNDRV_PCM_FMTBIT_S16_LE |
41 SNDRV_PCM_FMTBIT_S32_LE |
42 SNDRV_PCM_FMTBIT_S24_LE,
43 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 |
44 SNDRV_PCM_RATE_8000,
45 .rate_min = 8000,
46 .rate_max = 48000,
47 .channels_min = 1,
48 .channels_max = 8,
49 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
50 .period_bytes_min = 128,
51 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
52 .periods_min = 2,
53 .periods_max = AZX_MAX_FRAG,
54 .fifo_size = 0,
55 };
56
57 static inline
get_hdac_ext_stream(struct snd_pcm_substream * substream)58 struct hdac_ext_stream *get_hdac_ext_stream(struct snd_pcm_substream *substream)
59 {
60 return substream->runtime->private_data;
61 }
62
get_bus_ctx(struct snd_pcm_substream * substream)63 static struct hdac_bus *get_bus_ctx(struct snd_pcm_substream *substream)
64 {
65 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
66 struct hdac_stream *hstream = hdac_stream(stream);
67 struct hdac_bus *bus = hstream->bus;
68 return bus;
69 }
70
skl_substream_alloc_pages(struct hdac_bus * bus,struct snd_pcm_substream * substream,size_t size)71 static int skl_substream_alloc_pages(struct hdac_bus *bus,
72 struct snd_pcm_substream *substream,
73 size_t size)
74 {
75 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
76
77 hdac_stream(stream)->bufsize = 0;
78 hdac_stream(stream)->period_bytes = 0;
79 hdac_stream(stream)->format_val = 0;
80
81 return 0;
82 }
83
skl_set_pcm_constrains(struct hdac_bus * bus,struct snd_pcm_runtime * runtime)84 static void skl_set_pcm_constrains(struct hdac_bus *bus,
85 struct snd_pcm_runtime *runtime)
86 {
87 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
88
89 /* avoid wrap-around with wall-clock */
90 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME,
91 20, 178000000);
92 }
93
skl_get_host_stream_type(struct hdac_bus * bus)94 static enum hdac_ext_stream_type skl_get_host_stream_type(struct hdac_bus *bus)
95 {
96 if (bus->ppcap)
97 return HDAC_EXT_STREAM_TYPE_HOST;
98 else
99 return HDAC_EXT_STREAM_TYPE_COUPLED;
100 }
101
102 /*
103 * check if the stream opened is marked as ignore_suspend by machine, if so
104 * then enable suspend_active refcount
105 *
106 * The count supend_active does not need lock as it is used in open/close
107 * and suspend context
108 */
skl_set_suspend_active(struct snd_pcm_substream * substream,struct snd_soc_dai * dai,bool enable)109 static void skl_set_suspend_active(struct snd_pcm_substream *substream,
110 struct snd_soc_dai *dai, bool enable)
111 {
112 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
113 struct snd_soc_dapm_widget *w;
114 struct skl_dev *skl = bus_to_skl(bus);
115
116 w = snd_soc_dai_get_widget(dai, substream->stream);
117
118 if (w->ignore_suspend && enable)
119 skl->supend_active++;
120 else if (w->ignore_suspend && !enable)
121 skl->supend_active--;
122 }
123
skl_pcm_host_dma_prepare(struct device * dev,struct skl_pipe_params * params)124 int skl_pcm_host_dma_prepare(struct device *dev, struct skl_pipe_params *params)
125 {
126 struct hdac_bus *bus = dev_get_drvdata(dev);
127 struct skl_dev *skl = bus_to_skl(bus);
128 unsigned int format_val;
129 struct hdac_stream *hstream;
130 struct hdac_ext_stream *stream;
131 int err;
132
133 hstream = snd_hdac_get_stream(bus, params->stream,
134 params->host_dma_id + 1);
135 if (!hstream)
136 return -EINVAL;
137
138 stream = stream_to_hdac_ext_stream(hstream);
139 snd_hdac_ext_stream_decouple(bus, stream, true);
140
141 format_val = snd_hdac_calc_stream_format(params->s_freq,
142 params->ch, params->format, params->host_bps, 0);
143
144 dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
145 format_val, params->s_freq, params->ch, params->format);
146
147 snd_hdac_stream_reset(hdac_stream(stream));
148 err = snd_hdac_stream_set_params(hdac_stream(stream), format_val);
149 if (err < 0)
150 return err;
151
152 /*
153 * The recommended SDxFMT programming sequence for BXT
154 * platforms is to couple the stream before writing the format
155 */
156 if (HDA_CONTROLLER_IS_APL(skl->pci)) {
157 snd_hdac_ext_stream_decouple(bus, stream, false);
158 err = snd_hdac_stream_setup(hdac_stream(stream));
159 snd_hdac_ext_stream_decouple(bus, stream, true);
160 } else {
161 err = snd_hdac_stream_setup(hdac_stream(stream));
162 }
163
164 if (err < 0)
165 return err;
166
167 hdac_stream(stream)->prepared = 1;
168
169 return 0;
170 }
171
skl_pcm_link_dma_prepare(struct device * dev,struct skl_pipe_params * params)172 int skl_pcm_link_dma_prepare(struct device *dev, struct skl_pipe_params *params)
173 {
174 struct hdac_bus *bus = dev_get_drvdata(dev);
175 unsigned int format_val;
176 struct hdac_stream *hstream;
177 struct hdac_ext_stream *stream;
178 struct hdac_ext_link *link;
179 unsigned char stream_tag;
180
181 hstream = snd_hdac_get_stream(bus, params->stream,
182 params->link_dma_id + 1);
183 if (!hstream)
184 return -EINVAL;
185
186 stream = stream_to_hdac_ext_stream(hstream);
187 snd_hdac_ext_stream_decouple(bus, stream, true);
188 format_val = snd_hdac_calc_stream_format(params->s_freq, params->ch,
189 params->format, params->link_bps, 0);
190
191 dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
192 format_val, params->s_freq, params->ch, params->format);
193
194 snd_hdac_ext_stream_reset(stream);
195
196 snd_hdac_ext_stream_setup(stream, format_val);
197
198 stream_tag = hstream->stream_tag;
199 if (stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) {
200 list_for_each_entry(link, &bus->hlink_list, list) {
201 if (link->index == params->link_index)
202 snd_hdac_ext_bus_link_set_stream_id(link,
203 stream_tag);
204 }
205 }
206
207 stream->link_prepared = 1;
208
209 return 0;
210 }
211
skl_pcm_open(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)212 static int skl_pcm_open(struct snd_pcm_substream *substream,
213 struct snd_soc_dai *dai)
214 {
215 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
216 struct hdac_ext_stream *stream;
217 struct snd_pcm_runtime *runtime = substream->runtime;
218 struct skl_dma_params *dma_params;
219 struct skl_dev *skl = get_skl_ctx(dai->dev);
220 struct skl_module_cfg *mconfig;
221
222 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
223
224 stream = snd_hdac_ext_stream_assign(bus, substream,
225 skl_get_host_stream_type(bus));
226 if (stream == NULL)
227 return -EBUSY;
228
229 skl_set_pcm_constrains(bus, runtime);
230
231 /*
232 * disable WALLCLOCK timestamps for capture streams
233 * until we figure out how to handle digital inputs
234 */
235 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
236 runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK; /* legacy */
237 runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME;
238 }
239
240 runtime->private_data = stream;
241
242 dma_params = kzalloc(sizeof(*dma_params), GFP_KERNEL);
243 if (!dma_params)
244 return -ENOMEM;
245
246 dma_params->stream_tag = hdac_stream(stream)->stream_tag;
247 snd_soc_dai_set_dma_data(dai, substream, dma_params);
248
249 dev_dbg(dai->dev, "stream tag set in dma params=%d\n",
250 dma_params->stream_tag);
251 skl_set_suspend_active(substream, dai, true);
252 snd_pcm_set_sync(substream);
253
254 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
255 if (!mconfig)
256 return -EINVAL;
257
258 skl_tplg_d0i3_get(skl, mconfig->d0i3_caps);
259
260 return 0;
261 }
262
skl_pcm_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)263 static int skl_pcm_prepare(struct snd_pcm_substream *substream,
264 struct snd_soc_dai *dai)
265 {
266 struct skl_dev *skl = get_skl_ctx(dai->dev);
267 struct skl_module_cfg *mconfig;
268 int ret;
269
270 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
271
272 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
273
274 /*
275 * In case of XRUN recovery or in the case when the application
276 * calls prepare another time, reset the FW pipe to clean state
277 */
278 if (mconfig &&
279 (substream->runtime->state == SNDRV_PCM_STATE_XRUN ||
280 mconfig->pipe->state == SKL_PIPE_CREATED ||
281 mconfig->pipe->state == SKL_PIPE_PAUSED)) {
282
283 ret = skl_reset_pipe(skl, mconfig->pipe);
284
285 if (ret < 0)
286 return ret;
287
288 ret = skl_pcm_host_dma_prepare(dai->dev,
289 mconfig->pipe->p_params);
290 if (ret < 0)
291 return ret;
292 }
293
294 return 0;
295 }
296
skl_pcm_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)297 static int skl_pcm_hw_params(struct snd_pcm_substream *substream,
298 struct snd_pcm_hw_params *params,
299 struct snd_soc_dai *dai)
300 {
301 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
302 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
303 struct snd_pcm_runtime *runtime = substream->runtime;
304 struct skl_pipe_params p_params = {0};
305 struct skl_module_cfg *m_cfg;
306 int ret, dma_id;
307
308 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
309 ret = skl_substream_alloc_pages(bus, substream,
310 params_buffer_bytes(params));
311 if (ret < 0)
312 return ret;
313
314 dev_dbg(dai->dev, "format_val, rate=%d, ch=%d, format=%d\n",
315 runtime->rate, runtime->channels, runtime->format);
316
317 dma_id = hdac_stream(stream)->stream_tag - 1;
318 dev_dbg(dai->dev, "dma_id=%d\n", dma_id);
319
320 p_params.s_fmt = snd_pcm_format_width(params_format(params));
321 p_params.s_cont = snd_pcm_format_physical_width(params_format(params));
322 p_params.ch = params_channels(params);
323 p_params.s_freq = params_rate(params);
324 p_params.host_dma_id = dma_id;
325 p_params.stream = substream->stream;
326 p_params.format = params_format(params);
327 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
328 p_params.host_bps = dai->driver->playback.sig_bits;
329 else
330 p_params.host_bps = dai->driver->capture.sig_bits;
331
332
333 m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream);
334 if (m_cfg)
335 skl_tplg_update_pipe_params(dai->dev, m_cfg, &p_params);
336
337 return 0;
338 }
339
skl_pcm_close(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)340 static void skl_pcm_close(struct snd_pcm_substream *substream,
341 struct snd_soc_dai *dai)
342 {
343 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
344 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
345 struct skl_dma_params *dma_params = NULL;
346 struct skl_dev *skl = bus_to_skl(bus);
347 struct skl_module_cfg *mconfig;
348
349 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
350
351 snd_hdac_ext_stream_release(stream, skl_get_host_stream_type(bus));
352
353 dma_params = snd_soc_dai_get_dma_data(dai, substream);
354 /*
355 * now we should set this to NULL as we are freeing by the
356 * dma_params
357 */
358 snd_soc_dai_set_dma_data(dai, substream, NULL);
359 skl_set_suspend_active(substream, dai, false);
360
361 /*
362 * check if close is for "Reference Pin" and set back the
363 * CGCTL.MISCBDCGE if disabled by driver
364 */
365 if (!strncmp(dai->name, "Reference Pin", 13) &&
366 skl->miscbdcg_disabled) {
367 skl->enable_miscbdcge(dai->dev, true);
368 skl->miscbdcg_disabled = false;
369 }
370
371 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
372 if (mconfig)
373 skl_tplg_d0i3_put(skl, mconfig->d0i3_caps);
374
375 kfree(dma_params);
376 }
377
skl_pcm_hw_free(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)378 static int skl_pcm_hw_free(struct snd_pcm_substream *substream,
379 struct snd_soc_dai *dai)
380 {
381 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
382 struct skl_dev *skl = get_skl_ctx(dai->dev);
383 struct skl_module_cfg *mconfig;
384 int ret;
385
386 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
387
388 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
389
390 if (mconfig) {
391 ret = skl_reset_pipe(skl, mconfig->pipe);
392 if (ret < 0)
393 dev_err(dai->dev, "%s:Reset failed ret =%d",
394 __func__, ret);
395 }
396
397 snd_hdac_stream_cleanup(hdac_stream(stream));
398 hdac_stream(stream)->prepared = 0;
399
400 return 0;
401 }
402
skl_be_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)403 static int skl_be_hw_params(struct snd_pcm_substream *substream,
404 struct snd_pcm_hw_params *params,
405 struct snd_soc_dai *dai)
406 {
407 struct skl_pipe_params p_params = {0};
408
409 p_params.s_fmt = snd_pcm_format_width(params_format(params));
410 p_params.s_cont = snd_pcm_format_physical_width(params_format(params));
411 p_params.ch = params_channels(params);
412 p_params.s_freq = params_rate(params);
413 p_params.stream = substream->stream;
414
415 return skl_tplg_be_update_params(dai, &p_params);
416 }
417
skl_decoupled_trigger(struct snd_pcm_substream * substream,int cmd)418 static int skl_decoupled_trigger(struct snd_pcm_substream *substream,
419 int cmd)
420 {
421 struct hdac_bus *bus = get_bus_ctx(substream);
422 struct hdac_ext_stream *stream;
423 int start;
424 unsigned long cookie;
425 struct hdac_stream *hstr;
426
427 stream = get_hdac_ext_stream(substream);
428 hstr = hdac_stream(stream);
429
430 if (!hstr->prepared)
431 return -EPIPE;
432
433 switch (cmd) {
434 case SNDRV_PCM_TRIGGER_START:
435 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
436 case SNDRV_PCM_TRIGGER_RESUME:
437 start = 1;
438 break;
439
440 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
441 case SNDRV_PCM_TRIGGER_SUSPEND:
442 case SNDRV_PCM_TRIGGER_STOP:
443 start = 0;
444 break;
445
446 default:
447 return -EINVAL;
448 }
449
450 spin_lock_irqsave(&bus->reg_lock, cookie);
451
452 if (start) {
453 snd_hdac_stream_start(hdac_stream(stream));
454 snd_hdac_stream_timecounter_init(hstr, 0);
455 } else {
456 snd_hdac_stream_stop(hdac_stream(stream));
457 }
458
459 spin_unlock_irqrestore(&bus->reg_lock, cookie);
460
461 return 0;
462 }
463
skl_pcm_trigger(struct snd_pcm_substream * substream,int cmd,struct snd_soc_dai * dai)464 static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
465 struct snd_soc_dai *dai)
466 {
467 struct skl_dev *skl = get_skl_ctx(dai->dev);
468 struct skl_module_cfg *mconfig;
469 struct hdac_bus *bus = get_bus_ctx(substream);
470 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
471 struct hdac_stream *hstream = hdac_stream(stream);
472 struct snd_soc_dapm_widget *w;
473 int ret;
474
475 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
476 if (!mconfig)
477 return -EIO;
478
479 w = snd_soc_dai_get_widget(dai, substream->stream);
480
481 switch (cmd) {
482 case SNDRV_PCM_TRIGGER_RESUME:
483 if (!w->ignore_suspend) {
484 /*
485 * enable DMA Resume enable bit for the stream, set the
486 * dpib & lpib position to resume before starting the
487 * DMA
488 */
489 snd_hdac_stream_drsm_enable(bus, true, hstream->index);
490 snd_hdac_stream_set_dpibr(bus, hstream, hstream->lpib);
491 snd_hdac_stream_set_lpib(hstream, hstream->lpib);
492 }
493 fallthrough;
494
495 case SNDRV_PCM_TRIGGER_START:
496 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
497 /*
498 * Start HOST DMA and Start FE Pipe.This is to make sure that
499 * there are no underrun/overrun in the case when the FE
500 * pipeline is started but there is a delay in starting the
501 * DMA channel on the host.
502 */
503 ret = skl_decoupled_trigger(substream, cmd);
504 if (ret < 0)
505 return ret;
506 return skl_run_pipe(skl, mconfig->pipe);
507
508 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
509 case SNDRV_PCM_TRIGGER_SUSPEND:
510 case SNDRV_PCM_TRIGGER_STOP:
511 /*
512 * Stop FE Pipe first and stop DMA. This is to make sure that
513 * there are no underrun/overrun in the case if there is a delay
514 * between the two operations.
515 */
516 ret = skl_stop_pipe(skl, mconfig->pipe);
517 if (ret < 0)
518 return ret;
519
520 ret = skl_decoupled_trigger(substream, cmd);
521 if ((cmd == SNDRV_PCM_TRIGGER_SUSPEND) && !w->ignore_suspend) {
522 /* save the dpib and lpib positions */
523 hstream->dpib = readl(bus->remap_addr +
524 AZX_REG_VS_SDXDPIB_XBASE +
525 (AZX_REG_VS_SDXDPIB_XINTERVAL *
526 hstream->index));
527
528 hstream->lpib = snd_hdac_stream_get_pos_lpib(hstream);
529
530 snd_hdac_ext_stream_decouple(bus, stream, false);
531 }
532 break;
533
534 default:
535 return -EINVAL;
536 }
537
538 return 0;
539 }
540
541
skl_link_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)542 static int skl_link_hw_params(struct snd_pcm_substream *substream,
543 struct snd_pcm_hw_params *params,
544 struct snd_soc_dai *dai)
545 {
546 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
547 struct hdac_ext_stream *link_dev;
548 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
549 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
550 struct skl_pipe_params p_params = {0};
551 struct hdac_ext_link *link;
552 int stream_tag;
553
554 link_dev = snd_hdac_ext_stream_assign(bus, substream,
555 HDAC_EXT_STREAM_TYPE_LINK);
556 if (!link_dev)
557 return -EBUSY;
558
559 snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
560
561 link = snd_hdac_ext_bus_get_hlink_by_name(bus, codec_dai->component->name);
562 if (!link)
563 return -EINVAL;
564
565 stream_tag = hdac_stream(link_dev)->stream_tag;
566
567 /* set the hdac_stream in the codec dai */
568 snd_soc_dai_set_stream(codec_dai, hdac_stream(link_dev), substream->stream);
569
570 p_params.s_fmt = snd_pcm_format_width(params_format(params));
571 p_params.s_cont = snd_pcm_format_physical_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->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_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_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_hlink_by_name(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_bus_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));
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_adjust_codec_delay(struct snd_pcm_substream * substream,u64 nsec)1217 static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream,
1218 u64 nsec)
1219 {
1220 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
1221 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
1222 u64 codec_frames, codec_nsecs;
1223
1224 if (!codec_dai->driver->ops->delay)
1225 return nsec;
1226
1227 codec_frames = codec_dai->driver->ops->delay(substream, codec_dai);
1228 codec_nsecs = div_u64(codec_frames * 1000000000LL,
1229 substream->runtime->rate);
1230
1231 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
1232 return nsec + codec_nsecs;
1233
1234 return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0;
1235 }
1236
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)1237 static int skl_platform_soc_get_time_info(
1238 struct snd_soc_component *component,
1239 struct snd_pcm_substream *substream,
1240 struct timespec64 *system_ts, struct timespec64 *audio_ts,
1241 struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
1242 struct snd_pcm_audio_tstamp_report *audio_tstamp_report)
1243 {
1244 struct hdac_ext_stream *sstream = get_hdac_ext_stream(substream);
1245 struct hdac_stream *hstr = hdac_stream(sstream);
1246 u64 nsec;
1247
1248 if ((substream->runtime->hw.info & SNDRV_PCM_INFO_HAS_LINK_ATIME) &&
1249 (audio_tstamp_config->type_requested == SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK)) {
1250
1251 snd_pcm_gettime(substream->runtime, system_ts);
1252
1253 nsec = timecounter_read(&hstr->tc);
1254 if (audio_tstamp_config->report_delay)
1255 nsec = skl_adjust_codec_delay(substream, nsec);
1256
1257 *audio_ts = ns_to_timespec64(nsec);
1258
1259 audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK;
1260 audio_tstamp_report->accuracy_report = 1; /* rest of struct is valid */
1261 audio_tstamp_report->accuracy = 42; /* 24MHzWallClk == 42ns resolution */
1262
1263 } else {
1264 audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT;
1265 }
1266
1267 return 0;
1268 }
1269
1270 #define MAX_PREALLOC_SIZE (32 * 1024 * 1024)
1271
skl_platform_soc_new(struct snd_soc_component * component,struct snd_soc_pcm_runtime * rtd)1272 static int skl_platform_soc_new(struct snd_soc_component *component,
1273 struct snd_soc_pcm_runtime *rtd)
1274 {
1275 struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
1276 struct hdac_bus *bus = dev_get_drvdata(dai->dev);
1277 struct snd_pcm *pcm = rtd->pcm;
1278 unsigned int size;
1279 struct skl_dev *skl = bus_to_skl(bus);
1280
1281 if (dai->driver->playback.channels_min ||
1282 dai->driver->capture.channels_min) {
1283 /* buffer pre-allocation */
1284 size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
1285 if (size > MAX_PREALLOC_SIZE)
1286 size = MAX_PREALLOC_SIZE;
1287 snd_pcm_set_managed_buffer_all(pcm,
1288 SNDRV_DMA_TYPE_DEV_SG,
1289 &skl->pci->dev,
1290 size, MAX_PREALLOC_SIZE);
1291 }
1292
1293 return 0;
1294 }
1295
skl_get_module_info(struct skl_dev * skl,struct skl_module_cfg * mconfig)1296 static int skl_get_module_info(struct skl_dev *skl,
1297 struct skl_module_cfg *mconfig)
1298 {
1299 struct skl_module_inst_id *pin_id;
1300 guid_t *uuid_mod, *uuid_tplg;
1301 struct skl_module *skl_module;
1302 struct uuid_module *module;
1303 int i, ret = -EIO;
1304
1305 uuid_mod = (guid_t *)mconfig->guid;
1306
1307 if (list_empty(&skl->uuid_list)) {
1308 dev_err(skl->dev, "Module list is empty\n");
1309 return -EIO;
1310 }
1311
1312 for (i = 0; i < skl->nr_modules; i++) {
1313 skl_module = skl->modules[i];
1314 uuid_tplg = &skl_module->uuid;
1315 if (guid_equal(uuid_mod, uuid_tplg)) {
1316 mconfig->module = skl_module;
1317 ret = 0;
1318 break;
1319 }
1320 }
1321
1322 if (skl->nr_modules && ret)
1323 return ret;
1324
1325 ret = -EIO;
1326 list_for_each_entry(module, &skl->uuid_list, list) {
1327 if (guid_equal(uuid_mod, &module->uuid)) {
1328 mconfig->id.module_id = module->id;
1329 mconfig->module->loadable = module->is_loadable;
1330 ret = 0;
1331 }
1332
1333 for (i = 0; i < MAX_IN_QUEUE; i++) {
1334 pin_id = &mconfig->m_in_pin[i].id;
1335 if (guid_equal(&pin_id->mod_uuid, &module->uuid))
1336 pin_id->module_id = module->id;
1337 }
1338
1339 for (i = 0; i < MAX_OUT_QUEUE; i++) {
1340 pin_id = &mconfig->m_out_pin[i].id;
1341 if (guid_equal(&pin_id->mod_uuid, &module->uuid))
1342 pin_id->module_id = module->id;
1343 }
1344 }
1345
1346 return ret;
1347 }
1348
skl_populate_modules(struct skl_dev * skl)1349 static int skl_populate_modules(struct skl_dev *skl)
1350 {
1351 struct skl_pipeline *p;
1352 struct skl_pipe_module *m;
1353 struct snd_soc_dapm_widget *w;
1354 struct skl_module_cfg *mconfig;
1355 int ret = 0;
1356
1357 list_for_each_entry(p, &skl->ppl_list, node) {
1358 list_for_each_entry(m, &p->pipe->w_list, node) {
1359 w = m->w;
1360 mconfig = w->priv;
1361
1362 ret = skl_get_module_info(skl, mconfig);
1363 if (ret < 0) {
1364 dev_err(skl->dev,
1365 "query module info failed\n");
1366 return ret;
1367 }
1368
1369 skl_tplg_add_moduleid_in_bind_params(skl, w);
1370 }
1371 }
1372
1373 return ret;
1374 }
1375
skl_platform_soc_probe(struct snd_soc_component * component)1376 static int skl_platform_soc_probe(struct snd_soc_component *component)
1377 {
1378 struct hdac_bus *bus = dev_get_drvdata(component->dev);
1379 struct skl_dev *skl = bus_to_skl(bus);
1380 const struct skl_dsp_ops *ops;
1381 int ret;
1382
1383 ret = pm_runtime_resume_and_get(component->dev);
1384 if (ret < 0 && ret != -EACCES)
1385 return ret;
1386
1387 if (bus->ppcap) {
1388 skl->component = component;
1389
1390 /* init debugfs */
1391 skl->debugfs = skl_debugfs_init(skl);
1392
1393 ret = skl_tplg_init(component, bus);
1394 if (ret < 0) {
1395 dev_err(component->dev, "Failed to init topology!\n");
1396 return ret;
1397 }
1398
1399 /* load the firmwares, since all is set */
1400 ops = skl_get_dsp_ops(skl->pci->device);
1401 if (!ops)
1402 return -EIO;
1403
1404 /*
1405 * Disable dynamic clock and power gating during firmware
1406 * and library download
1407 */
1408 skl->enable_miscbdcge(component->dev, false);
1409 skl->clock_power_gating(component->dev, false);
1410
1411 ret = ops->init_fw(component->dev, skl);
1412 skl->enable_miscbdcge(component->dev, true);
1413 skl->clock_power_gating(component->dev, true);
1414 if (ret < 0) {
1415 dev_err(component->dev, "Failed to boot first fw: %d\n", ret);
1416 return ret;
1417 }
1418 skl_populate_modules(skl);
1419 skl->update_d0i3c = skl_update_d0i3c;
1420
1421 if (skl->cfg.astate_cfg != NULL) {
1422 skl_dsp_set_astate_cfg(skl,
1423 skl->cfg.astate_cfg->count,
1424 skl->cfg.astate_cfg);
1425 }
1426 }
1427 pm_runtime_mark_last_busy(component->dev);
1428 pm_runtime_put_autosuspend(component->dev);
1429
1430 return 0;
1431 }
1432
skl_platform_soc_remove(struct snd_soc_component * component)1433 static void skl_platform_soc_remove(struct snd_soc_component *component)
1434 {
1435 struct hdac_bus *bus = dev_get_drvdata(component->dev);
1436 struct skl_dev *skl = bus_to_skl(bus);
1437
1438 skl_tplg_exit(component, bus);
1439
1440 skl_debugfs_exit(skl);
1441 }
1442
1443 static const struct snd_soc_component_driver skl_component = {
1444 .name = "pcm",
1445 .probe = skl_platform_soc_probe,
1446 .remove = skl_platform_soc_remove,
1447 .open = skl_platform_soc_open,
1448 .trigger = skl_platform_soc_trigger,
1449 .pointer = skl_platform_soc_pointer,
1450 .get_time_info = skl_platform_soc_get_time_info,
1451 .pcm_construct = skl_platform_soc_new,
1452 .module_get_upon_open = 1, /* increment refcount when a pcm is opened */
1453 };
1454
skl_platform_register(struct device * dev)1455 int skl_platform_register(struct device *dev)
1456 {
1457 int ret;
1458 struct snd_soc_dai_driver *dais;
1459 int num_dais = ARRAY_SIZE(skl_platform_dai);
1460 struct hdac_bus *bus = dev_get_drvdata(dev);
1461 struct skl_dev *skl = bus_to_skl(bus);
1462
1463 skl->dais = kmemdup(skl_platform_dai, sizeof(skl_platform_dai),
1464 GFP_KERNEL);
1465 if (!skl->dais) {
1466 ret = -ENOMEM;
1467 goto err;
1468 }
1469
1470 if (!skl->use_tplg_pcm) {
1471 dais = krealloc(skl->dais, sizeof(skl_fe_dai) +
1472 sizeof(skl_platform_dai), GFP_KERNEL);
1473 if (!dais) {
1474 ret = -ENOMEM;
1475 goto err;
1476 }
1477
1478 skl->dais = dais;
1479 memcpy(&skl->dais[ARRAY_SIZE(skl_platform_dai)], skl_fe_dai,
1480 sizeof(skl_fe_dai));
1481 num_dais += ARRAY_SIZE(skl_fe_dai);
1482 }
1483
1484 ret = devm_snd_soc_register_component(dev, &skl_component,
1485 skl->dais, num_dais);
1486 if (ret)
1487 dev_err(dev, "soc component registration failed %d\n", ret);
1488 err:
1489 return ret;
1490 }
1491
skl_platform_unregister(struct device * dev)1492 int skl_platform_unregister(struct device *dev)
1493 {
1494 struct hdac_bus *bus = dev_get_drvdata(dev);
1495 struct skl_dev *skl = bus_to_skl(bus);
1496 struct skl_module_deferred_bind *modules, *tmp;
1497
1498 list_for_each_entry_safe(modules, tmp, &skl->bind_list, node) {
1499 list_del(&modules->node);
1500 kfree(modules);
1501 }
1502
1503 kfree(skl->dais);
1504
1505 return 0;
1506 }
1507
