2 * skl-pcm.c -ASoC HDA Platform driver file implementing PCM functionality
4 * Copyright (C) 2014-2015 Intel Corp
5 * Author: Jeeja KP <jeeja.kp@intel.com>
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2 of the License.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
22 #include <linux/pci.h>
23 #include <linux/pm_runtime.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
27 #include "skl-topology.h"
28 #include "skl-sst-dsp.h"
29 #include "skl-sst-ipc.h"
35 static struct snd_pcm_hardware azx_pcm_hw = {
36 .info = (SNDRV_PCM_INFO_MMAP |
37 SNDRV_PCM_INFO_INTERLEAVED |
38 SNDRV_PCM_INFO_BLOCK_TRANSFER |
39 SNDRV_PCM_INFO_MMAP_VALID |
40 SNDRV_PCM_INFO_PAUSE |
41 SNDRV_PCM_INFO_RESUME |
42 SNDRV_PCM_INFO_SYNC_START |
43 SNDRV_PCM_INFO_HAS_WALL_CLOCK | /* legacy */
44 SNDRV_PCM_INFO_HAS_LINK_ATIME |
45 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
46 .formats = SNDRV_PCM_FMTBIT_S16_LE |
47 SNDRV_PCM_FMTBIT_S32_LE |
48 SNDRV_PCM_FMTBIT_S24_LE,
49 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 |
55 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
56 .period_bytes_min = 128,
57 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
59 .periods_max = AZX_MAX_FRAG,
64 struct hdac_ext_stream *get_hdac_ext_stream(struct snd_pcm_substream *substream)
66 return substream->runtime->private_data;
69 static struct hdac_ext_bus *get_bus_ctx(struct snd_pcm_substream *substream)
71 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
72 struct hdac_stream *hstream = hdac_stream(stream);
73 struct hdac_bus *bus = hstream->bus;
75 return hbus_to_ebus(bus);
78 static int skl_substream_alloc_pages(struct hdac_ext_bus *ebus,
79 struct snd_pcm_substream *substream,
82 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
84 hdac_stream(stream)->bufsize = 0;
85 hdac_stream(stream)->period_bytes = 0;
86 hdac_stream(stream)->format_val = 0;
88 return snd_pcm_lib_malloc_pages(substream, size);
91 static int skl_substream_free_pages(struct hdac_bus *bus,
92 struct snd_pcm_substream *substream)
94 return snd_pcm_lib_free_pages(substream);
97 static void skl_set_pcm_constrains(struct hdac_ext_bus *ebus,
98 struct snd_pcm_runtime *runtime)
100 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
102 /* avoid wrap-around with wall-clock */
103 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME,
107 static enum hdac_ext_stream_type skl_get_host_stream_type(struct hdac_ext_bus *ebus)
110 return HDAC_EXT_STREAM_TYPE_HOST;
112 return HDAC_EXT_STREAM_TYPE_COUPLED;
116 * check if the stream opened is marked as ignore_suspend by machine, if so
117 * then enable suspend_active refcount
119 * The count supend_active does not need lock as it is used in open/close
120 * and suspend context
122 static void skl_set_suspend_active(struct snd_pcm_substream *substream,
123 struct snd_soc_dai *dai, bool enable)
125 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
126 struct snd_soc_dapm_widget *w;
127 struct skl *skl = ebus_to_skl(ebus);
129 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
130 w = dai->playback_widget;
132 w = dai->capture_widget;
134 if (w->ignore_suspend && enable)
135 skl->supend_active++;
136 else if (w->ignore_suspend && !enable)
137 skl->supend_active--;
140 static int skl_pcm_open(struct snd_pcm_substream *substream,
141 struct snd_soc_dai *dai)
143 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
144 struct hdac_ext_stream *stream;
145 struct snd_pcm_runtime *runtime = substream->runtime;
146 struct skl_dma_params *dma_params;
148 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
150 stream = snd_hdac_ext_stream_assign(ebus, substream,
151 skl_get_host_stream_type(ebus));
155 skl_set_pcm_constrains(ebus, runtime);
158 * disable WALLCLOCK timestamps for capture streams
159 * until we figure out how to handle digital inputs
161 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
162 runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK; /* legacy */
163 runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME;
166 runtime->private_data = stream;
168 dma_params = kzalloc(sizeof(*dma_params), GFP_KERNEL);
172 dma_params->stream_tag = hdac_stream(stream)->stream_tag;
173 snd_soc_dai_set_dma_data(dai, substream, dma_params);
175 dev_dbg(dai->dev, "stream tag set in dma params=%d\n",
176 dma_params->stream_tag);
177 skl_set_suspend_active(substream, dai, true);
178 snd_pcm_set_sync(substream);
183 static int skl_get_format(struct snd_pcm_substream *substream,
184 struct snd_soc_dai *dai)
186 struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
187 struct skl_dma_params *dma_params;
188 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
192 struct snd_pcm_runtime *runtime = substream->runtime;
194 format_val = snd_hdac_calc_stream_format(runtime->rate,
199 struct snd_soc_dai *codec_dai = rtd->codec_dai;
201 dma_params = snd_soc_dai_get_dma_data(codec_dai, substream);
203 format_val = dma_params->format;
209 static int skl_be_prepare(struct snd_pcm_substream *substream,
210 struct snd_soc_dai *dai)
212 struct skl *skl = get_skl_ctx(dai->dev);
213 struct skl_sst *ctx = skl->skl_sst;
214 struct skl_module_cfg *mconfig;
216 if (dai->playback_widget->power || dai->capture_widget->power)
219 mconfig = skl_tplg_be_get_cpr_module(dai, substream->stream);
223 return skl_dsp_set_dma_control(ctx, mconfig);
226 static int skl_pcm_prepare(struct snd_pcm_substream *substream,
227 struct snd_soc_dai *dai)
229 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
230 unsigned int format_val;
233 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
235 format_val = skl_get_format(substream, dai);
236 dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d\n",
237 hdac_stream(stream)->stream_tag, format_val);
238 snd_hdac_stream_reset(hdac_stream(stream));
240 err = snd_hdac_stream_set_params(hdac_stream(stream), format_val);
244 err = snd_hdac_stream_setup(hdac_stream(stream));
248 hdac_stream(stream)->prepared = 1;
253 static int skl_pcm_hw_params(struct snd_pcm_substream *substream,
254 struct snd_pcm_hw_params *params,
255 struct snd_soc_dai *dai)
257 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
258 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
259 struct snd_pcm_runtime *runtime = substream->runtime;
260 struct skl_pipe_params p_params = {0};
261 struct skl_module_cfg *m_cfg;
264 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
265 ret = skl_substream_alloc_pages(ebus, substream,
266 params_buffer_bytes(params));
270 dev_dbg(dai->dev, "format_val, rate=%d, ch=%d, format=%d\n",
271 runtime->rate, runtime->channels, runtime->format);
273 dma_id = hdac_stream(stream)->stream_tag - 1;
274 dev_dbg(dai->dev, "dma_id=%d\n", dma_id);
276 p_params.s_fmt = snd_pcm_format_width(params_format(params));
277 p_params.ch = params_channels(params);
278 p_params.s_freq = params_rate(params);
279 p_params.host_dma_id = dma_id;
280 p_params.stream = substream->stream;
282 m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream);
284 skl_tplg_update_pipe_params(dai->dev, m_cfg, &p_params);
289 static void skl_pcm_close(struct snd_pcm_substream *substream,
290 struct snd_soc_dai *dai)
292 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
293 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
294 struct skl_dma_params *dma_params = NULL;
295 struct skl *skl = ebus_to_skl(ebus);
297 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
299 snd_hdac_ext_stream_release(stream, skl_get_host_stream_type(ebus));
301 dma_params = snd_soc_dai_get_dma_data(dai, substream);
303 * now we should set this to NULL as we are freeing by the
306 snd_soc_dai_set_dma_data(dai, substream, NULL);
307 skl_set_suspend_active(substream, dai, false);
310 * check if close is for "Reference Pin" and set back the
311 * CGCTL.MISCBDCGE if disabled by driver
313 if (!strncmp(dai->name, "Reference Pin", 13) &&
314 skl->skl_sst->miscbdcg_disabled) {
315 skl->skl_sst->enable_miscbdcge(dai->dev, true);
316 skl->skl_sst->miscbdcg_disabled = false;
322 static int skl_pcm_hw_free(struct snd_pcm_substream *substream,
323 struct snd_soc_dai *dai)
325 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
326 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
328 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
330 snd_hdac_stream_cleanup(hdac_stream(stream));
331 hdac_stream(stream)->prepared = 0;
333 return skl_substream_free_pages(ebus_to_hbus(ebus), substream);
336 static int skl_be_hw_params(struct snd_pcm_substream *substream,
337 struct snd_pcm_hw_params *params,
338 struct snd_soc_dai *dai)
340 struct skl_pipe_params p_params = {0};
342 p_params.s_fmt = snd_pcm_format_width(params_format(params));
343 p_params.ch = params_channels(params);
344 p_params.s_freq = params_rate(params);
345 p_params.stream = substream->stream;
347 return skl_tplg_be_update_params(dai, &p_params);
350 static int skl_decoupled_trigger(struct snd_pcm_substream *substream,
353 struct hdac_ext_bus *ebus = get_bus_ctx(substream);
354 struct hdac_bus *bus = ebus_to_hbus(ebus);
355 struct hdac_ext_stream *stream;
357 unsigned long cookie;
358 struct hdac_stream *hstr;
360 stream = get_hdac_ext_stream(substream);
361 hstr = hdac_stream(stream);
367 case SNDRV_PCM_TRIGGER_START:
368 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
369 case SNDRV_PCM_TRIGGER_RESUME:
373 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
374 case SNDRV_PCM_TRIGGER_SUSPEND:
375 case SNDRV_PCM_TRIGGER_STOP:
383 spin_lock_irqsave(&bus->reg_lock, cookie);
386 snd_hdac_stream_start(hdac_stream(stream), true);
387 snd_hdac_stream_timecounter_init(hstr, 0);
389 snd_hdac_stream_stop(hdac_stream(stream));
392 spin_unlock_irqrestore(&bus->reg_lock, cookie);
397 static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
398 struct snd_soc_dai *dai)
400 struct skl *skl = get_skl_ctx(dai->dev);
401 struct skl_sst *ctx = skl->skl_sst;
402 struct skl_module_cfg *mconfig;
403 struct hdac_ext_bus *ebus = get_bus_ctx(substream);
404 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
405 struct snd_soc_dapm_widget *w;
408 mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
412 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
413 w = dai->playback_widget;
415 w = dai->capture_widget;
418 case SNDRV_PCM_TRIGGER_RESUME:
419 if (!w->ignore_suspend) {
420 skl_pcm_prepare(substream, dai);
422 * enable DMA Resume enable bit for the stream, set the
423 * dpib & lpib position to resume before starting the
426 snd_hdac_ext_stream_drsm_enable(ebus, true,
427 hdac_stream(stream)->index);
428 snd_hdac_ext_stream_set_dpibr(ebus, stream,
430 snd_hdac_ext_stream_set_lpib(stream, stream->lpib);
433 case SNDRV_PCM_TRIGGER_START:
434 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
436 * Start HOST DMA and Start FE Pipe.This is to make sure that
437 * there are no underrun/overrun in the case when the FE
438 * pipeline is started but there is a delay in starting the
439 * DMA channel on the host.
441 snd_hdac_ext_stream_decouple(ebus, stream, true);
442 ret = skl_decoupled_trigger(substream, cmd);
445 return skl_run_pipe(ctx, mconfig->pipe);
448 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
449 case SNDRV_PCM_TRIGGER_SUSPEND:
450 case SNDRV_PCM_TRIGGER_STOP:
452 * Stop FE Pipe first and stop DMA. This is to make sure that
453 * there are no underrun/overrun in the case if there is a delay
454 * between the two operations.
456 ret = skl_stop_pipe(ctx, mconfig->pipe);
460 ret = skl_decoupled_trigger(substream, cmd);
461 if ((cmd == SNDRV_PCM_TRIGGER_SUSPEND) && !w->ignore_suspend) {
462 /* save the dpib and lpib positions */
463 stream->dpib = readl(ebus->bus.remap_addr +
464 AZX_REG_VS_SDXDPIB_XBASE +
465 (AZX_REG_VS_SDXDPIB_XINTERVAL *
466 hdac_stream(stream)->index));
468 stream->lpib = snd_hdac_stream_get_pos_lpib(
469 hdac_stream(stream));
470 snd_hdac_ext_stream_decouple(ebus, stream, false);
481 static int skl_link_hw_params(struct snd_pcm_substream *substream,
482 struct snd_pcm_hw_params *params,
483 struct snd_soc_dai *dai)
485 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
486 struct hdac_ext_stream *link_dev;
487 struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
488 struct hdac_ext_dma_params *dma_params;
489 struct snd_soc_dai *codec_dai = rtd->codec_dai;
490 struct skl_pipe_params p_params = {0};
492 link_dev = snd_hdac_ext_stream_assign(ebus, substream,
493 HDAC_EXT_STREAM_TYPE_LINK);
497 snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
499 /* set the stream tag in the codec dai dma params */
500 dma_params = snd_soc_dai_get_dma_data(codec_dai, substream);
502 dma_params->stream_tag = hdac_stream(link_dev)->stream_tag;
504 p_params.s_fmt = snd_pcm_format_width(params_format(params));
505 p_params.ch = params_channels(params);
506 p_params.s_freq = params_rate(params);
507 p_params.stream = substream->stream;
508 p_params.link_dma_id = hdac_stream(link_dev)->stream_tag - 1;
510 return skl_tplg_be_update_params(dai, &p_params);
513 static int skl_link_pcm_prepare(struct snd_pcm_substream *substream,
514 struct snd_soc_dai *dai)
516 struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
517 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
518 struct hdac_ext_stream *link_dev =
519 snd_soc_dai_get_dma_data(dai, substream);
520 unsigned int format_val = 0;
521 struct skl_dma_params *dma_params;
522 struct snd_soc_dai *codec_dai = rtd->codec_dai;
523 struct hdac_ext_link *link;
525 dma_params = (struct skl_dma_params *)
526 snd_soc_dai_get_dma_data(codec_dai, substream);
528 format_val = dma_params->format;
529 dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d codec_dai_name=%s\n",
530 hdac_stream(link_dev)->stream_tag, format_val, codec_dai->name);
532 link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name);
536 snd_hdac_ext_link_stream_reset(link_dev);
538 snd_hdac_ext_link_stream_setup(link_dev, format_val);
540 snd_hdac_ext_link_set_stream_id(link, hdac_stream(link_dev)->stream_tag);
541 link_dev->link_prepared = 1;
546 static int skl_link_pcm_trigger(struct snd_pcm_substream *substream,
547 int cmd, struct snd_soc_dai *dai)
549 struct hdac_ext_stream *link_dev =
550 snd_soc_dai_get_dma_data(dai, substream);
551 struct hdac_ext_bus *ebus = get_bus_ctx(substream);
552 struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
554 dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd);
556 case SNDRV_PCM_TRIGGER_RESUME:
557 skl_link_pcm_prepare(substream, dai);
558 case SNDRV_PCM_TRIGGER_START:
559 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
560 snd_hdac_ext_stream_decouple(ebus, stream, true);
561 snd_hdac_ext_link_stream_start(link_dev);
564 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
565 case SNDRV_PCM_TRIGGER_SUSPEND:
566 case SNDRV_PCM_TRIGGER_STOP:
567 snd_hdac_ext_link_stream_clear(link_dev);
568 if (cmd == SNDRV_PCM_TRIGGER_SUSPEND)
569 snd_hdac_ext_stream_decouple(ebus, stream, false);
578 static int skl_link_hw_free(struct snd_pcm_substream *substream,
579 struct snd_soc_dai *dai)
581 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
582 struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
583 struct hdac_ext_stream *link_dev =
584 snd_soc_dai_get_dma_data(dai, substream);
585 struct hdac_ext_link *link;
587 dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
589 link_dev->link_prepared = 0;
591 link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name);
595 snd_hdac_ext_link_clear_stream_id(link, hdac_stream(link_dev)->stream_tag);
596 snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK);
600 static struct snd_soc_dai_ops skl_pcm_dai_ops = {
601 .startup = skl_pcm_open,
602 .shutdown = skl_pcm_close,
603 .prepare = skl_pcm_prepare,
604 .hw_params = skl_pcm_hw_params,
605 .hw_free = skl_pcm_hw_free,
606 .trigger = skl_pcm_trigger,
609 static struct snd_soc_dai_ops skl_dmic_dai_ops = {
610 .hw_params = skl_be_hw_params,
613 static struct snd_soc_dai_ops skl_be_ssp_dai_ops = {
614 .hw_params = skl_be_hw_params,
615 .prepare = skl_be_prepare,
618 static struct snd_soc_dai_ops skl_link_dai_ops = {
619 .prepare = skl_link_pcm_prepare,
620 .hw_params = skl_link_hw_params,
621 .hw_free = skl_link_hw_free,
622 .trigger = skl_link_pcm_trigger,
625 static struct snd_soc_dai_driver skl_platform_dai[] = {
627 .name = "System Pin",
628 .ops = &skl_pcm_dai_ops,
630 .stream_name = "System Playback",
631 .channels_min = HDA_MONO,
632 .channels_max = HDA_STEREO,
633 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000,
634 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
637 .stream_name = "System Capture",
638 .channels_min = HDA_MONO,
639 .channels_max = HDA_STEREO,
640 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
641 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
645 .name = "Reference Pin",
646 .ops = &skl_pcm_dai_ops,
648 .stream_name = "Reference Capture",
649 .channels_min = HDA_MONO,
650 .channels_max = HDA_QUAD,
651 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
652 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
656 .name = "Deepbuffer Pin",
657 .ops = &skl_pcm_dai_ops,
659 .stream_name = "Deepbuffer Playback",
660 .channels_min = HDA_STEREO,
661 .channels_max = HDA_STEREO,
662 .rates = SNDRV_PCM_RATE_48000,
663 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
667 .name = "LowLatency Pin",
668 .ops = &skl_pcm_dai_ops,
670 .stream_name = "Low Latency Playback",
671 .channels_min = HDA_STEREO,
672 .channels_max = HDA_STEREO,
673 .rates = SNDRV_PCM_RATE_48000,
674 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
679 .ops = &skl_pcm_dai_ops,
681 .stream_name = "DMIC Capture",
682 .channels_min = HDA_MONO,
683 .channels_max = HDA_QUAD,
684 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
685 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
690 .ops = &skl_pcm_dai_ops,
692 .stream_name = "HDMI1 Playback",
693 .channels_min = HDA_STEREO,
695 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
696 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
697 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
698 SNDRV_PCM_RATE_192000,
699 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
700 SNDRV_PCM_FMTBIT_S32_LE,
705 .ops = &skl_pcm_dai_ops,
707 .stream_name = "HDMI2 Playback",
708 .channels_min = HDA_STEREO,
710 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
711 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
712 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
713 SNDRV_PCM_RATE_192000,
714 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
715 SNDRV_PCM_FMTBIT_S32_LE,
720 .ops = &skl_pcm_dai_ops,
722 .stream_name = "HDMI3 Playback",
723 .channels_min = HDA_STEREO,
725 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
726 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
727 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
728 SNDRV_PCM_RATE_192000,
729 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
730 SNDRV_PCM_FMTBIT_S32_LE,
737 .ops = &skl_be_ssp_dai_ops,
739 .stream_name = "ssp0 Tx",
740 .channels_min = HDA_STEREO,
741 .channels_max = HDA_STEREO,
742 .rates = SNDRV_PCM_RATE_48000,
743 .formats = SNDRV_PCM_FMTBIT_S16_LE,
746 .stream_name = "ssp0 Rx",
747 .channels_min = HDA_STEREO,
748 .channels_max = HDA_STEREO,
749 .rates = SNDRV_PCM_RATE_48000,
750 .formats = SNDRV_PCM_FMTBIT_S16_LE,
755 .ops = &skl_be_ssp_dai_ops,
757 .stream_name = "ssp1 Tx",
758 .channels_min = HDA_STEREO,
759 .channels_max = HDA_STEREO,
760 .rates = SNDRV_PCM_RATE_48000,
761 .formats = SNDRV_PCM_FMTBIT_S16_LE,
764 .stream_name = "ssp1 Rx",
765 .channels_min = HDA_STEREO,
766 .channels_max = HDA_STEREO,
767 .rates = SNDRV_PCM_RATE_48000,
768 .formats = SNDRV_PCM_FMTBIT_S16_LE,
773 .ops = &skl_be_ssp_dai_ops,
775 .stream_name = "ssp2 Tx",
776 .channels_min = HDA_STEREO,
777 .channels_max = HDA_STEREO,
778 .rates = SNDRV_PCM_RATE_48000,
779 .formats = SNDRV_PCM_FMTBIT_S16_LE,
782 .stream_name = "ssp2 Rx",
783 .channels_min = HDA_STEREO,
784 .channels_max = HDA_STEREO,
785 .rates = SNDRV_PCM_RATE_48000,
786 .formats = SNDRV_PCM_FMTBIT_S16_LE,
791 .ops = &skl_be_ssp_dai_ops,
793 .stream_name = "ssp3 Tx",
794 .channels_min = HDA_STEREO,
795 .channels_max = HDA_STEREO,
796 .rates = SNDRV_PCM_RATE_48000,
797 .formats = SNDRV_PCM_FMTBIT_S16_LE,
800 .stream_name = "ssp3 Rx",
801 .channels_min = HDA_STEREO,
802 .channels_max = HDA_STEREO,
803 .rates = SNDRV_PCM_RATE_48000,
804 .formats = SNDRV_PCM_FMTBIT_S16_LE,
809 .ops = &skl_be_ssp_dai_ops,
811 .stream_name = "ssp4 Tx",
812 .channels_min = HDA_STEREO,
813 .channels_max = HDA_STEREO,
814 .rates = SNDRV_PCM_RATE_48000,
815 .formats = SNDRV_PCM_FMTBIT_S16_LE,
818 .stream_name = "ssp4 Rx",
819 .channels_min = HDA_STEREO,
820 .channels_max = HDA_STEREO,
821 .rates = SNDRV_PCM_RATE_48000,
822 .formats = SNDRV_PCM_FMTBIT_S16_LE,
827 .ops = &skl_be_ssp_dai_ops,
829 .stream_name = "ssp5 Tx",
830 .channels_min = HDA_STEREO,
831 .channels_max = HDA_STEREO,
832 .rates = SNDRV_PCM_RATE_48000,
833 .formats = SNDRV_PCM_FMTBIT_S16_LE,
836 .stream_name = "ssp5 Rx",
837 .channels_min = HDA_STEREO,
838 .channels_max = HDA_STEREO,
839 .rates = SNDRV_PCM_RATE_48000,
840 .formats = SNDRV_PCM_FMTBIT_S16_LE,
844 .name = "iDisp1 Pin",
845 .ops = &skl_link_dai_ops,
847 .stream_name = "iDisp1 Tx",
848 .channels_min = HDA_STEREO,
850 .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000,
851 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE |
852 SNDRV_PCM_FMTBIT_S24_LE,
856 .name = "iDisp2 Pin",
857 .ops = &skl_link_dai_ops,
859 .stream_name = "iDisp2 Tx",
860 .channels_min = HDA_STEREO,
862 .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|
863 SNDRV_PCM_RATE_48000,
864 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE |
865 SNDRV_PCM_FMTBIT_S24_LE,
869 .name = "iDisp3 Pin",
870 .ops = &skl_link_dai_ops,
872 .stream_name = "iDisp3 Tx",
873 .channels_min = HDA_STEREO,
875 .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|
876 SNDRV_PCM_RATE_48000,
877 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE |
878 SNDRV_PCM_FMTBIT_S24_LE,
882 .name = "DMIC01 Pin",
883 .ops = &skl_dmic_dai_ops,
885 .stream_name = "DMIC01 Rx",
886 .channels_min = HDA_MONO,
887 .channels_max = HDA_QUAD,
888 .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
889 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
893 .name = "HD-Codec Pin",
894 .ops = &skl_link_dai_ops,
896 .stream_name = "HD-Codec Tx",
897 .channels_min = HDA_STEREO,
898 .channels_max = HDA_STEREO,
899 .rates = SNDRV_PCM_RATE_48000,
900 .formats = SNDRV_PCM_FMTBIT_S16_LE,
903 .stream_name = "HD-Codec Rx",
904 .channels_min = HDA_STEREO,
905 .channels_max = HDA_STEREO,
906 .rates = SNDRV_PCM_RATE_48000,
907 .formats = SNDRV_PCM_FMTBIT_S16_LE,
912 static int skl_platform_open(struct snd_pcm_substream *substream)
914 struct snd_pcm_runtime *runtime;
915 struct snd_soc_pcm_runtime *rtd = substream->private_data;
916 struct snd_soc_dai_link *dai_link = rtd->dai_link;
918 dev_dbg(rtd->cpu_dai->dev, "In %s:%s\n", __func__,
919 dai_link->cpu_dai_name);
921 runtime = substream->runtime;
922 snd_soc_set_runtime_hwparams(substream, &azx_pcm_hw);
927 static int skl_coupled_trigger(struct snd_pcm_substream *substream,
930 struct hdac_ext_bus *ebus = get_bus_ctx(substream);
931 struct hdac_bus *bus = ebus_to_hbus(ebus);
932 struct hdac_ext_stream *stream;
933 struct snd_pcm_substream *s;
936 unsigned long cookie;
937 struct hdac_stream *hstr;
939 stream = get_hdac_ext_stream(substream);
940 hstr = hdac_stream(stream);
942 dev_dbg(bus->dev, "In %s cmd=%d\n", __func__, cmd);
948 case SNDRV_PCM_TRIGGER_START:
949 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
950 case SNDRV_PCM_TRIGGER_RESUME:
954 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
955 case SNDRV_PCM_TRIGGER_SUSPEND:
956 case SNDRV_PCM_TRIGGER_STOP:
964 snd_pcm_group_for_each_entry(s, substream) {
965 if (s->pcm->card != substream->pcm->card)
967 stream = get_hdac_ext_stream(s);
968 sbits |= 1 << hdac_stream(stream)->index;
969 snd_pcm_trigger_done(s, substream);
972 spin_lock_irqsave(&bus->reg_lock, cookie);
974 /* first, set SYNC bits of corresponding streams */
975 snd_hdac_stream_sync_trigger(hstr, true, sbits, AZX_REG_SSYNC);
977 snd_pcm_group_for_each_entry(s, substream) {
978 if (s->pcm->card != substream->pcm->card)
980 stream = get_hdac_ext_stream(s);
982 snd_hdac_stream_start(hdac_stream(stream), true);
984 snd_hdac_stream_stop(hdac_stream(stream));
986 spin_unlock_irqrestore(&bus->reg_lock, cookie);
988 snd_hdac_stream_sync(hstr, start, sbits);
990 spin_lock_irqsave(&bus->reg_lock, cookie);
992 /* reset SYNC bits */
993 snd_hdac_stream_sync_trigger(hstr, false, sbits, AZX_REG_SSYNC);
995 snd_hdac_stream_timecounter_init(hstr, sbits);
996 spin_unlock_irqrestore(&bus->reg_lock, cookie);
1001 static int skl_platform_pcm_trigger(struct snd_pcm_substream *substream,
1004 struct hdac_ext_bus *ebus = get_bus_ctx(substream);
1007 return skl_coupled_trigger(substream, cmd);
1012 /* calculate runtime delay from LPIB */
1013 static int skl_get_delay_from_lpib(struct hdac_ext_bus *ebus,
1014 struct hdac_ext_stream *sstream,
1017 struct hdac_bus *bus = ebus_to_hbus(ebus);
1018 struct hdac_stream *hstream = hdac_stream(sstream);
1019 struct snd_pcm_substream *substream = hstream->substream;
1020 int stream = substream->stream;
1021 unsigned int lpib_pos = snd_hdac_stream_get_pos_lpib(hstream);
1024 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1025 delay = pos - lpib_pos;
1027 delay = lpib_pos - pos;
1030 if (delay >= hstream->delay_negative_threshold)
1033 delay += hstream->bufsize;
1036 if (hstream->bufsize == delay)
1039 if (delay >= hstream->period_bytes) {
1041 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
1042 delay, hstream->period_bytes);
1046 return bytes_to_frames(substream->runtime, delay);
1049 static unsigned int skl_get_position(struct hdac_ext_stream *hstream,
1052 struct hdac_stream *hstr = hdac_stream(hstream);
1053 struct snd_pcm_substream *substream = hstr->substream;
1054 struct hdac_ext_bus *ebus;
1058 /* use the position buffer as default */
1059 pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream));
1061 if (pos >= hdac_stream(hstream)->bufsize)
1064 if (substream->runtime) {
1065 ebus = get_bus_ctx(substream);
1066 delay = skl_get_delay_from_lpib(ebus, hstream, pos)
1068 substream->runtime->delay += delay;
1074 static snd_pcm_uframes_t skl_platform_pcm_pointer
1075 (struct snd_pcm_substream *substream)
1077 struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream);
1079 return bytes_to_frames(substream->runtime,
1080 skl_get_position(hstream, 0));
1083 static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream,
1086 struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
1087 struct snd_soc_dai *codec_dai = rtd->codec_dai;
1088 u64 codec_frames, codec_nsecs;
1090 if (!codec_dai->driver->ops->delay)
1093 codec_frames = codec_dai->driver->ops->delay(substream, codec_dai);
1094 codec_nsecs = div_u64(codec_frames * 1000000000LL,
1095 substream->runtime->rate);
1097 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
1098 return nsec + codec_nsecs;
1100 return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0;
1103 static int skl_get_time_info(struct snd_pcm_substream *substream,
1104 struct timespec *system_ts, struct timespec *audio_ts,
1105 struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
1106 struct snd_pcm_audio_tstamp_report *audio_tstamp_report)
1108 struct hdac_ext_stream *sstream = get_hdac_ext_stream(substream);
1109 struct hdac_stream *hstr = hdac_stream(sstream);
1112 if ((substream->runtime->hw.info & SNDRV_PCM_INFO_HAS_LINK_ATIME) &&
1113 (audio_tstamp_config->type_requested == SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK)) {
1115 snd_pcm_gettime(substream->runtime, system_ts);
1117 nsec = timecounter_read(&hstr->tc);
1118 nsec = div_u64(nsec, 3); /* can be optimized */
1119 if (audio_tstamp_config->report_delay)
1120 nsec = skl_adjust_codec_delay(substream, nsec);
1122 *audio_ts = ns_to_timespec(nsec);
1124 audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK;
1125 audio_tstamp_report->accuracy_report = 1; /* rest of struct is valid */
1126 audio_tstamp_report->accuracy = 42; /* 24MHzWallClk == 42ns resolution */
1129 audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT;
1135 static struct snd_pcm_ops skl_platform_ops = {
1136 .open = skl_platform_open,
1137 .ioctl = snd_pcm_lib_ioctl,
1138 .trigger = skl_platform_pcm_trigger,
1139 .pointer = skl_platform_pcm_pointer,
1140 .get_time_info = skl_get_time_info,
1141 .mmap = snd_pcm_lib_default_mmap,
1142 .page = snd_pcm_sgbuf_ops_page,
1145 static void skl_pcm_free(struct snd_pcm *pcm)
1147 snd_pcm_lib_preallocate_free_for_all(pcm);
1150 #define MAX_PREALLOC_SIZE (32 * 1024 * 1024)
1152 static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd)
1154 struct snd_soc_dai *dai = rtd->cpu_dai;
1155 struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
1156 struct snd_pcm *pcm = rtd->pcm;
1159 struct skl *skl = ebus_to_skl(ebus);
1161 if (dai->driver->playback.channels_min ||
1162 dai->driver->capture.channels_min) {
1163 /* buffer pre-allocation */
1164 size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
1165 if (size > MAX_PREALLOC_SIZE)
1166 size = MAX_PREALLOC_SIZE;
1167 retval = snd_pcm_lib_preallocate_pages_for_all(pcm,
1168 SNDRV_DMA_TYPE_DEV_SG,
1169 snd_dma_pci_data(skl->pci),
1170 size, MAX_PREALLOC_SIZE);
1172 dev_err(dai->dev, "dma buffer allocationf fail\n");
1180 static int skl_platform_soc_probe(struct snd_soc_platform *platform)
1182 struct hdac_ext_bus *ebus = dev_get_drvdata(platform->dev);
1185 return skl_tplg_init(platform, ebus);
1189 static struct snd_soc_platform_driver skl_platform_drv = {
1190 .probe = skl_platform_soc_probe,
1191 .ops = &skl_platform_ops,
1192 .pcm_new = skl_pcm_new,
1193 .pcm_free = skl_pcm_free,
1196 static const struct snd_soc_component_driver skl_component = {
1200 int skl_platform_register(struct device *dev)
1203 struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
1204 struct skl *skl = ebus_to_skl(ebus);
1206 INIT_LIST_HEAD(&skl->ppl_list);
1208 ret = snd_soc_register_platform(dev, &skl_platform_drv);
1210 dev_err(dev, "soc platform registration failed %d\n", ret);
1213 ret = snd_soc_register_component(dev, &skl_component,
1215 ARRAY_SIZE(skl_platform_dai));
1217 dev_err(dev, "soc component registration failed %d\n", ret);
1218 snd_soc_unregister_platform(dev);
1225 int skl_platform_unregister(struct device *dev)
1227 snd_soc_unregister_component(dev);
1228 snd_soc_unregister_platform(dev);