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 struct skl
*skl
= get_skl_ctx(dai
->dev
);
231 unsigned int format_val
;
233 struct skl_module_cfg
*mconfig
;
235 dev_dbg(dai
->dev
, "%s: %s\n", __func__
, dai
->name
);
237 mconfig
= skl_tplg_fe_get_cpr_module(dai
, substream
->stream
);
239 format_val
= skl_get_format(substream
, dai
);
240 dev_dbg(dai
->dev
, "stream_tag=%d formatvalue=%d\n",
241 hdac_stream(stream
)->stream_tag
, format_val
);
242 snd_hdac_stream_reset(hdac_stream(stream
));
244 /* In case of XRUN recovery, reset the FW pipe to clean state */
245 if (mconfig
&& (substream
->runtime
->status
->state
==
246 SNDRV_PCM_STATE_XRUN
))
247 skl_reset_pipe(skl
->skl_sst
, mconfig
->pipe
);
249 err
= snd_hdac_stream_set_params(hdac_stream(stream
), format_val
);
253 err
= snd_hdac_stream_setup(hdac_stream(stream
));
257 hdac_stream(stream
)->prepared
= 1;
262 static int skl_pcm_hw_params(struct snd_pcm_substream
*substream
,
263 struct snd_pcm_hw_params
*params
,
264 struct snd_soc_dai
*dai
)
266 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dai
->dev
);
267 struct hdac_ext_stream
*stream
= get_hdac_ext_stream(substream
);
268 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
269 struct skl_pipe_params p_params
= {0};
270 struct skl_module_cfg
*m_cfg
;
273 dev_dbg(dai
->dev
, "%s: %s\n", __func__
, dai
->name
);
274 ret
= skl_substream_alloc_pages(ebus
, substream
,
275 params_buffer_bytes(params
));
279 dev_dbg(dai
->dev
, "format_val, rate=%d, ch=%d, format=%d\n",
280 runtime
->rate
, runtime
->channels
, runtime
->format
);
282 dma_id
= hdac_stream(stream
)->stream_tag
- 1;
283 dev_dbg(dai
->dev
, "dma_id=%d\n", dma_id
);
285 p_params
.s_fmt
= snd_pcm_format_width(params_format(params
));
286 p_params
.ch
= params_channels(params
);
287 p_params
.s_freq
= params_rate(params
);
288 p_params
.host_dma_id
= dma_id
;
289 p_params
.stream
= substream
->stream
;
291 m_cfg
= skl_tplg_fe_get_cpr_module(dai
, p_params
.stream
);
293 skl_tplg_update_pipe_params(dai
->dev
, m_cfg
, &p_params
);
298 static void skl_pcm_close(struct snd_pcm_substream
*substream
,
299 struct snd_soc_dai
*dai
)
301 struct hdac_ext_stream
*stream
= get_hdac_ext_stream(substream
);
302 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dai
->dev
);
303 struct skl_dma_params
*dma_params
= NULL
;
304 struct skl
*skl
= ebus_to_skl(ebus
);
306 dev_dbg(dai
->dev
, "%s: %s\n", __func__
, dai
->name
);
308 snd_hdac_ext_stream_release(stream
, skl_get_host_stream_type(ebus
));
310 dma_params
= snd_soc_dai_get_dma_data(dai
, substream
);
312 * now we should set this to NULL as we are freeing by the
315 snd_soc_dai_set_dma_data(dai
, substream
, NULL
);
316 skl_set_suspend_active(substream
, dai
, false);
319 * check if close is for "Reference Pin" and set back the
320 * CGCTL.MISCBDCGE if disabled by driver
322 if (!strncmp(dai
->name
, "Reference Pin", 13) &&
323 skl
->skl_sst
->miscbdcg_disabled
) {
324 skl
->skl_sst
->enable_miscbdcge(dai
->dev
, true);
325 skl
->skl_sst
->miscbdcg_disabled
= false;
331 static int skl_pcm_hw_free(struct snd_pcm_substream
*substream
,
332 struct snd_soc_dai
*dai
)
334 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dai
->dev
);
335 struct hdac_ext_stream
*stream
= get_hdac_ext_stream(substream
);
337 dev_dbg(dai
->dev
, "%s: %s\n", __func__
, dai
->name
);
339 snd_hdac_stream_cleanup(hdac_stream(stream
));
340 hdac_stream(stream
)->prepared
= 0;
342 return skl_substream_free_pages(ebus_to_hbus(ebus
), substream
);
345 static int skl_be_hw_params(struct snd_pcm_substream
*substream
,
346 struct snd_pcm_hw_params
*params
,
347 struct snd_soc_dai
*dai
)
349 struct skl_pipe_params p_params
= {0};
351 p_params
.s_fmt
= snd_pcm_format_width(params_format(params
));
352 p_params
.ch
= params_channels(params
);
353 p_params
.s_freq
= params_rate(params
);
354 p_params
.stream
= substream
->stream
;
356 return skl_tplg_be_update_params(dai
, &p_params
);
359 static int skl_decoupled_trigger(struct snd_pcm_substream
*substream
,
362 struct hdac_ext_bus
*ebus
= get_bus_ctx(substream
);
363 struct hdac_bus
*bus
= ebus_to_hbus(ebus
);
364 struct hdac_ext_stream
*stream
;
366 unsigned long cookie
;
367 struct hdac_stream
*hstr
;
369 stream
= get_hdac_ext_stream(substream
);
370 hstr
= hdac_stream(stream
);
376 case SNDRV_PCM_TRIGGER_START
:
377 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE
:
378 case SNDRV_PCM_TRIGGER_RESUME
:
382 case SNDRV_PCM_TRIGGER_PAUSE_PUSH
:
383 case SNDRV_PCM_TRIGGER_SUSPEND
:
384 case SNDRV_PCM_TRIGGER_STOP
:
392 spin_lock_irqsave(&bus
->reg_lock
, cookie
);
395 snd_hdac_stream_start(hdac_stream(stream
), true);
396 snd_hdac_stream_timecounter_init(hstr
, 0);
398 snd_hdac_stream_stop(hdac_stream(stream
));
401 spin_unlock_irqrestore(&bus
->reg_lock
, cookie
);
406 static int skl_pcm_trigger(struct snd_pcm_substream
*substream
, int cmd
,
407 struct snd_soc_dai
*dai
)
409 struct skl
*skl
= get_skl_ctx(dai
->dev
);
410 struct skl_sst
*ctx
= skl
->skl_sst
;
411 struct skl_module_cfg
*mconfig
;
412 struct hdac_ext_bus
*ebus
= get_bus_ctx(substream
);
413 struct hdac_ext_stream
*stream
= get_hdac_ext_stream(substream
);
414 struct snd_soc_dapm_widget
*w
;
417 mconfig
= skl_tplg_fe_get_cpr_module(dai
, substream
->stream
);
421 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
422 w
= dai
->playback_widget
;
424 w
= dai
->capture_widget
;
427 case SNDRV_PCM_TRIGGER_RESUME
:
428 if (!w
->ignore_suspend
) {
429 skl_pcm_prepare(substream
, dai
);
431 * enable DMA Resume enable bit for the stream, set the
432 * dpib & lpib position to resume before starting the
435 snd_hdac_ext_stream_drsm_enable(ebus
, true,
436 hdac_stream(stream
)->index
);
437 snd_hdac_ext_stream_set_dpibr(ebus
, stream
,
439 snd_hdac_ext_stream_set_lpib(stream
, stream
->lpib
);
442 case SNDRV_PCM_TRIGGER_START
:
443 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE
:
445 * Start HOST DMA and Start FE Pipe.This is to make sure that
446 * there are no underrun/overrun in the case when the FE
447 * pipeline is started but there is a delay in starting the
448 * DMA channel on the host.
450 snd_hdac_ext_stream_decouple(ebus
, stream
, true);
451 ret
= skl_decoupled_trigger(substream
, cmd
);
454 return skl_run_pipe(ctx
, mconfig
->pipe
);
457 case SNDRV_PCM_TRIGGER_PAUSE_PUSH
:
458 case SNDRV_PCM_TRIGGER_SUSPEND
:
459 case SNDRV_PCM_TRIGGER_STOP
:
461 * Stop FE Pipe first and stop DMA. This is to make sure that
462 * there are no underrun/overrun in the case if there is a delay
463 * between the two operations.
465 ret
= skl_stop_pipe(ctx
, mconfig
->pipe
);
469 ret
= skl_decoupled_trigger(substream
, cmd
);
470 if ((cmd
== SNDRV_PCM_TRIGGER_SUSPEND
) && !w
->ignore_suspend
) {
471 /* save the dpib and lpib positions */
472 stream
->dpib
= readl(ebus
->bus
.remap_addr
+
473 AZX_REG_VS_SDXDPIB_XBASE
+
474 (AZX_REG_VS_SDXDPIB_XINTERVAL
*
475 hdac_stream(stream
)->index
));
477 stream
->lpib
= snd_hdac_stream_get_pos_lpib(
478 hdac_stream(stream
));
479 snd_hdac_ext_stream_decouple(ebus
, stream
, false);
490 static int skl_link_hw_params(struct snd_pcm_substream
*substream
,
491 struct snd_pcm_hw_params
*params
,
492 struct snd_soc_dai
*dai
)
494 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dai
->dev
);
495 struct hdac_ext_stream
*link_dev
;
496 struct snd_soc_pcm_runtime
*rtd
= snd_pcm_substream_chip(substream
);
497 struct hdac_ext_dma_params
*dma_params
;
498 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
499 struct skl_pipe_params p_params
= {0};
501 link_dev
= snd_hdac_ext_stream_assign(ebus
, substream
,
502 HDAC_EXT_STREAM_TYPE_LINK
);
506 snd_soc_dai_set_dma_data(dai
, substream
, (void *)link_dev
);
508 /* set the stream tag in the codec dai dma params */
509 dma_params
= snd_soc_dai_get_dma_data(codec_dai
, substream
);
511 dma_params
->stream_tag
= hdac_stream(link_dev
)->stream_tag
;
513 p_params
.s_fmt
= snd_pcm_format_width(params_format(params
));
514 p_params
.ch
= params_channels(params
);
515 p_params
.s_freq
= params_rate(params
);
516 p_params
.stream
= substream
->stream
;
517 p_params
.link_dma_id
= hdac_stream(link_dev
)->stream_tag
- 1;
519 return skl_tplg_be_update_params(dai
, &p_params
);
522 static int skl_link_pcm_prepare(struct snd_pcm_substream
*substream
,
523 struct snd_soc_dai
*dai
)
525 struct snd_soc_pcm_runtime
*rtd
= snd_pcm_substream_chip(substream
);
526 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dai
->dev
);
527 struct hdac_ext_stream
*link_dev
=
528 snd_soc_dai_get_dma_data(dai
, substream
);
529 unsigned int format_val
= 0;
530 struct skl_dma_params
*dma_params
;
531 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
532 struct hdac_ext_link
*link
;
533 struct skl
*skl
= get_skl_ctx(dai
->dev
);
534 struct skl_module_cfg
*mconfig
= NULL
;
536 dma_params
= (struct skl_dma_params
*)
537 snd_soc_dai_get_dma_data(codec_dai
, substream
);
539 format_val
= dma_params
->format
;
540 dev_dbg(dai
->dev
, "stream_tag=%d formatvalue=%d codec_dai_name=%s\n",
541 hdac_stream(link_dev
)->stream_tag
, format_val
, codec_dai
->name
);
543 link
= snd_hdac_ext_bus_get_link(ebus
, rtd
->codec
->component
.name
);
547 snd_hdac_ext_link_stream_reset(link_dev
);
549 /* In case of XRUN recovery, reset the FW pipe to clean state */
550 mconfig
= skl_tplg_be_get_cpr_module(dai
, substream
->stream
);
551 if (mconfig
&& (substream
->runtime
->status
->state
==
552 SNDRV_PCM_STATE_XRUN
))
553 skl_reset_pipe(skl
->skl_sst
, mconfig
->pipe
);
555 snd_hdac_ext_link_stream_setup(link_dev
, format_val
);
557 snd_hdac_ext_link_set_stream_id(link
, hdac_stream(link_dev
)->stream_tag
);
558 link_dev
->link_prepared
= 1;
563 static int skl_link_pcm_trigger(struct snd_pcm_substream
*substream
,
564 int cmd
, struct snd_soc_dai
*dai
)
566 struct hdac_ext_stream
*link_dev
=
567 snd_soc_dai_get_dma_data(dai
, substream
);
568 struct hdac_ext_bus
*ebus
= get_bus_ctx(substream
);
569 struct hdac_ext_stream
*stream
= get_hdac_ext_stream(substream
);
571 dev_dbg(dai
->dev
, "In %s cmd=%d\n", __func__
, cmd
);
573 case SNDRV_PCM_TRIGGER_RESUME
:
574 skl_link_pcm_prepare(substream
, dai
);
575 case SNDRV_PCM_TRIGGER_START
:
576 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE
:
577 snd_hdac_ext_stream_decouple(ebus
, stream
, true);
578 snd_hdac_ext_link_stream_start(link_dev
);
581 case SNDRV_PCM_TRIGGER_PAUSE_PUSH
:
582 case SNDRV_PCM_TRIGGER_SUSPEND
:
583 case SNDRV_PCM_TRIGGER_STOP
:
584 snd_hdac_ext_link_stream_clear(link_dev
);
585 if (cmd
== SNDRV_PCM_TRIGGER_SUSPEND
)
586 snd_hdac_ext_stream_decouple(ebus
, stream
, false);
595 static int skl_link_hw_free(struct snd_pcm_substream
*substream
,
596 struct snd_soc_dai
*dai
)
598 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dai
->dev
);
599 struct snd_soc_pcm_runtime
*rtd
= snd_pcm_substream_chip(substream
);
600 struct hdac_ext_stream
*link_dev
=
601 snd_soc_dai_get_dma_data(dai
, substream
);
602 struct hdac_ext_link
*link
;
604 dev_dbg(dai
->dev
, "%s: %s\n", __func__
, dai
->name
);
606 link_dev
->link_prepared
= 0;
608 link
= snd_hdac_ext_bus_get_link(ebus
, rtd
->codec
->component
.name
);
612 snd_hdac_ext_link_clear_stream_id(link
, hdac_stream(link_dev
)->stream_tag
);
613 snd_hdac_ext_stream_release(link_dev
, HDAC_EXT_STREAM_TYPE_LINK
);
617 static struct snd_soc_dai_ops skl_pcm_dai_ops
= {
618 .startup
= skl_pcm_open
,
619 .shutdown
= skl_pcm_close
,
620 .prepare
= skl_pcm_prepare
,
621 .hw_params
= skl_pcm_hw_params
,
622 .hw_free
= skl_pcm_hw_free
,
623 .trigger
= skl_pcm_trigger
,
626 static struct snd_soc_dai_ops skl_dmic_dai_ops
= {
627 .hw_params
= skl_be_hw_params
,
630 static struct snd_soc_dai_ops skl_be_ssp_dai_ops
= {
631 .hw_params
= skl_be_hw_params
,
632 .prepare
= skl_be_prepare
,
635 static struct snd_soc_dai_ops skl_link_dai_ops
= {
636 .prepare
= skl_link_pcm_prepare
,
637 .hw_params
= skl_link_hw_params
,
638 .hw_free
= skl_link_hw_free
,
639 .trigger
= skl_link_pcm_trigger
,
642 static struct snd_soc_dai_driver skl_platform_dai
[] = {
644 .name
= "System Pin",
645 .ops
= &skl_pcm_dai_ops
,
647 .stream_name
= "System Playback",
648 .channels_min
= HDA_MONO
,
649 .channels_max
= HDA_STEREO
,
650 .rates
= SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_16000
| SNDRV_PCM_RATE_8000
,
651 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
,
654 .stream_name
= "System Capture",
655 .channels_min
= HDA_MONO
,
656 .channels_max
= HDA_STEREO
,
657 .rates
= SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_16000
,
658 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
,
662 .name
= "Reference Pin",
663 .ops
= &skl_pcm_dai_ops
,
665 .stream_name
= "Reference Capture",
666 .channels_min
= HDA_MONO
,
667 .channels_max
= HDA_QUAD
,
668 .rates
= SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_16000
,
669 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
,
673 .name
= "Deepbuffer Pin",
674 .ops
= &skl_pcm_dai_ops
,
676 .stream_name
= "Deepbuffer Playback",
677 .channels_min
= HDA_STEREO
,
678 .channels_max
= HDA_STEREO
,
679 .rates
= SNDRV_PCM_RATE_48000
,
680 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
,
684 .name
= "LowLatency Pin",
685 .ops
= &skl_pcm_dai_ops
,
687 .stream_name
= "Low Latency Playback",
688 .channels_min
= HDA_STEREO
,
689 .channels_max
= HDA_STEREO
,
690 .rates
= SNDRV_PCM_RATE_48000
,
691 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
,
696 .ops
= &skl_pcm_dai_ops
,
698 .stream_name
= "DMIC Capture",
699 .channels_min
= HDA_MONO
,
700 .channels_max
= HDA_QUAD
,
701 .rates
= SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_16000
,
702 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
,
707 .ops
= &skl_pcm_dai_ops
,
709 .stream_name
= "HDMI1 Playback",
710 .channels_min
= HDA_STEREO
,
712 .rates
= SNDRV_PCM_RATE_32000
| SNDRV_PCM_RATE_44100
|
713 SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_88200
|
714 SNDRV_PCM_RATE_96000
| SNDRV_PCM_RATE_176400
|
715 SNDRV_PCM_RATE_192000
,
716 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
|
717 SNDRV_PCM_FMTBIT_S32_LE
,
722 .ops
= &skl_pcm_dai_ops
,
724 .stream_name
= "HDMI2 Playback",
725 .channels_min
= HDA_STEREO
,
727 .rates
= SNDRV_PCM_RATE_32000
| SNDRV_PCM_RATE_44100
|
728 SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_88200
|
729 SNDRV_PCM_RATE_96000
| SNDRV_PCM_RATE_176400
|
730 SNDRV_PCM_RATE_192000
,
731 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
|
732 SNDRV_PCM_FMTBIT_S32_LE
,
737 .ops
= &skl_pcm_dai_ops
,
739 .stream_name
= "HDMI3 Playback",
740 .channels_min
= HDA_STEREO
,
742 .rates
= SNDRV_PCM_RATE_32000
| SNDRV_PCM_RATE_44100
|
743 SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_88200
|
744 SNDRV_PCM_RATE_96000
| SNDRV_PCM_RATE_176400
|
745 SNDRV_PCM_RATE_192000
,
746 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
|
747 SNDRV_PCM_FMTBIT_S32_LE
,
754 .ops
= &skl_be_ssp_dai_ops
,
756 .stream_name
= "ssp0 Tx",
757 .channels_min
= HDA_STEREO
,
758 .channels_max
= HDA_STEREO
,
759 .rates
= SNDRV_PCM_RATE_48000
,
760 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
763 .stream_name
= "ssp0 Rx",
764 .channels_min
= HDA_STEREO
,
765 .channels_max
= HDA_STEREO
,
766 .rates
= SNDRV_PCM_RATE_48000
,
767 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
772 .ops
= &skl_be_ssp_dai_ops
,
774 .stream_name
= "ssp1 Tx",
775 .channels_min
= HDA_STEREO
,
776 .channels_max
= HDA_STEREO
,
777 .rates
= SNDRV_PCM_RATE_48000
,
778 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
781 .stream_name
= "ssp1 Rx",
782 .channels_min
= HDA_STEREO
,
783 .channels_max
= HDA_STEREO
,
784 .rates
= SNDRV_PCM_RATE_48000
,
785 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
790 .ops
= &skl_be_ssp_dai_ops
,
792 .stream_name
= "ssp2 Tx",
793 .channels_min
= HDA_STEREO
,
794 .channels_max
= HDA_STEREO
,
795 .rates
= SNDRV_PCM_RATE_48000
,
796 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
799 .stream_name
= "ssp2 Rx",
800 .channels_min
= HDA_STEREO
,
801 .channels_max
= HDA_STEREO
,
802 .rates
= SNDRV_PCM_RATE_48000
,
803 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
808 .ops
= &skl_be_ssp_dai_ops
,
810 .stream_name
= "ssp3 Tx",
811 .channels_min
= HDA_STEREO
,
812 .channels_max
= HDA_STEREO
,
813 .rates
= SNDRV_PCM_RATE_48000
,
814 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
817 .stream_name
= "ssp3 Rx",
818 .channels_min
= HDA_STEREO
,
819 .channels_max
= HDA_STEREO
,
820 .rates
= SNDRV_PCM_RATE_48000
,
821 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
826 .ops
= &skl_be_ssp_dai_ops
,
828 .stream_name
= "ssp4 Tx",
829 .channels_min
= HDA_STEREO
,
830 .channels_max
= HDA_STEREO
,
831 .rates
= SNDRV_PCM_RATE_48000
,
832 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
835 .stream_name
= "ssp4 Rx",
836 .channels_min
= HDA_STEREO
,
837 .channels_max
= HDA_STEREO
,
838 .rates
= SNDRV_PCM_RATE_48000
,
839 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
844 .ops
= &skl_be_ssp_dai_ops
,
846 .stream_name
= "ssp5 Tx",
847 .channels_min
= HDA_STEREO
,
848 .channels_max
= HDA_STEREO
,
849 .rates
= SNDRV_PCM_RATE_48000
,
850 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
853 .stream_name
= "ssp5 Rx",
854 .channels_min
= HDA_STEREO
,
855 .channels_max
= HDA_STEREO
,
856 .rates
= SNDRV_PCM_RATE_48000
,
857 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
861 .name
= "iDisp1 Pin",
862 .ops
= &skl_link_dai_ops
,
864 .stream_name
= "iDisp1 Tx",
865 .channels_min
= HDA_STEREO
,
867 .rates
= SNDRV_PCM_RATE_8000
|SNDRV_PCM_RATE_16000
|SNDRV_PCM_RATE_48000
,
868 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S32_LE
|
869 SNDRV_PCM_FMTBIT_S24_LE
,
873 .name
= "iDisp2 Pin",
874 .ops
= &skl_link_dai_ops
,
876 .stream_name
= "iDisp2 Tx",
877 .channels_min
= HDA_STEREO
,
879 .rates
= SNDRV_PCM_RATE_8000
|SNDRV_PCM_RATE_16000
|
880 SNDRV_PCM_RATE_48000
,
881 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S32_LE
|
882 SNDRV_PCM_FMTBIT_S24_LE
,
886 .name
= "iDisp3 Pin",
887 .ops
= &skl_link_dai_ops
,
889 .stream_name
= "iDisp3 Tx",
890 .channels_min
= HDA_STEREO
,
892 .rates
= SNDRV_PCM_RATE_8000
|SNDRV_PCM_RATE_16000
|
893 SNDRV_PCM_RATE_48000
,
894 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S32_LE
|
895 SNDRV_PCM_FMTBIT_S24_LE
,
899 .name
= "DMIC01 Pin",
900 .ops
= &skl_dmic_dai_ops
,
902 .stream_name
= "DMIC01 Rx",
903 .channels_min
= HDA_MONO
,
904 .channels_max
= HDA_QUAD
,
905 .rates
= SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_16000
,
906 .formats
= SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
,
910 .name
= "HD-Codec Pin",
911 .ops
= &skl_link_dai_ops
,
913 .stream_name
= "HD-Codec Tx",
914 .channels_min
= HDA_STEREO
,
915 .channels_max
= HDA_STEREO
,
916 .rates
= SNDRV_PCM_RATE_48000
,
917 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
920 .stream_name
= "HD-Codec Rx",
921 .channels_min
= HDA_STEREO
,
922 .channels_max
= HDA_STEREO
,
923 .rates
= SNDRV_PCM_RATE_48000
,
924 .formats
= SNDRV_PCM_FMTBIT_S16_LE
,
929 static int skl_platform_open(struct snd_pcm_substream
*substream
)
931 struct snd_pcm_runtime
*runtime
;
932 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
933 struct snd_soc_dai_link
*dai_link
= rtd
->dai_link
;
935 dev_dbg(rtd
->cpu_dai
->dev
, "In %s:%s\n", __func__
,
936 dai_link
->cpu_dai_name
);
938 runtime
= substream
->runtime
;
939 snd_soc_set_runtime_hwparams(substream
, &azx_pcm_hw
);
944 static int skl_coupled_trigger(struct snd_pcm_substream
*substream
,
947 struct hdac_ext_bus
*ebus
= get_bus_ctx(substream
);
948 struct hdac_bus
*bus
= ebus_to_hbus(ebus
);
949 struct hdac_ext_stream
*stream
;
950 struct snd_pcm_substream
*s
;
953 unsigned long cookie
;
954 struct hdac_stream
*hstr
;
956 stream
= get_hdac_ext_stream(substream
);
957 hstr
= hdac_stream(stream
);
959 dev_dbg(bus
->dev
, "In %s cmd=%d\n", __func__
, cmd
);
965 case SNDRV_PCM_TRIGGER_START
:
966 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE
:
967 case SNDRV_PCM_TRIGGER_RESUME
:
971 case SNDRV_PCM_TRIGGER_PAUSE_PUSH
:
972 case SNDRV_PCM_TRIGGER_SUSPEND
:
973 case SNDRV_PCM_TRIGGER_STOP
:
981 snd_pcm_group_for_each_entry(s
, substream
) {
982 if (s
->pcm
->card
!= substream
->pcm
->card
)
984 stream
= get_hdac_ext_stream(s
);
985 sbits
|= 1 << hdac_stream(stream
)->index
;
986 snd_pcm_trigger_done(s
, substream
);
989 spin_lock_irqsave(&bus
->reg_lock
, cookie
);
991 /* first, set SYNC bits of corresponding streams */
992 snd_hdac_stream_sync_trigger(hstr
, true, sbits
, AZX_REG_SSYNC
);
994 snd_pcm_group_for_each_entry(s
, substream
) {
995 if (s
->pcm
->card
!= substream
->pcm
->card
)
997 stream
= get_hdac_ext_stream(s
);
999 snd_hdac_stream_start(hdac_stream(stream
), true);
1001 snd_hdac_stream_stop(hdac_stream(stream
));
1003 spin_unlock_irqrestore(&bus
->reg_lock
, cookie
);
1005 snd_hdac_stream_sync(hstr
, start
, sbits
);
1007 spin_lock_irqsave(&bus
->reg_lock
, cookie
);
1009 /* reset SYNC bits */
1010 snd_hdac_stream_sync_trigger(hstr
, false, sbits
, AZX_REG_SSYNC
);
1012 snd_hdac_stream_timecounter_init(hstr
, sbits
);
1013 spin_unlock_irqrestore(&bus
->reg_lock
, cookie
);
1018 static int skl_platform_pcm_trigger(struct snd_pcm_substream
*substream
,
1021 struct hdac_ext_bus
*ebus
= get_bus_ctx(substream
);
1024 return skl_coupled_trigger(substream
, cmd
);
1029 static snd_pcm_uframes_t skl_platform_pcm_pointer
1030 (struct snd_pcm_substream
*substream
)
1032 struct hdac_ext_stream
*hstream
= get_hdac_ext_stream(substream
);
1035 /* use the position buffer as default */
1036 pos
= snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream
));
1038 if (pos
>= hdac_stream(hstream
)->bufsize
)
1041 return bytes_to_frames(substream
->runtime
, pos
);
1044 static u64
skl_adjust_codec_delay(struct snd_pcm_substream
*substream
,
1047 struct snd_soc_pcm_runtime
*rtd
= snd_pcm_substream_chip(substream
);
1048 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
1049 u64 codec_frames
, codec_nsecs
;
1051 if (!codec_dai
->driver
->ops
->delay
)
1054 codec_frames
= codec_dai
->driver
->ops
->delay(substream
, codec_dai
);
1055 codec_nsecs
= div_u64(codec_frames
* 1000000000LL,
1056 substream
->runtime
->rate
);
1058 if (substream
->stream
== SNDRV_PCM_STREAM_CAPTURE
)
1059 return nsec
+ codec_nsecs
;
1061 return (nsec
> codec_nsecs
) ? nsec
- codec_nsecs
: 0;
1064 static int skl_get_time_info(struct snd_pcm_substream
*substream
,
1065 struct timespec
*system_ts
, struct timespec
*audio_ts
,
1066 struct snd_pcm_audio_tstamp_config
*audio_tstamp_config
,
1067 struct snd_pcm_audio_tstamp_report
*audio_tstamp_report
)
1069 struct hdac_ext_stream
*sstream
= get_hdac_ext_stream(substream
);
1070 struct hdac_stream
*hstr
= hdac_stream(sstream
);
1073 if ((substream
->runtime
->hw
.info
& SNDRV_PCM_INFO_HAS_LINK_ATIME
) &&
1074 (audio_tstamp_config
->type_requested
== SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK
)) {
1076 snd_pcm_gettime(substream
->runtime
, system_ts
);
1078 nsec
= timecounter_read(&hstr
->tc
);
1079 nsec
= div_u64(nsec
, 3); /* can be optimized */
1080 if (audio_tstamp_config
->report_delay
)
1081 nsec
= skl_adjust_codec_delay(substream
, nsec
);
1083 *audio_ts
= ns_to_timespec(nsec
);
1085 audio_tstamp_report
->actual_type
= SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK
;
1086 audio_tstamp_report
->accuracy_report
= 1; /* rest of struct is valid */
1087 audio_tstamp_report
->accuracy
= 42; /* 24MHzWallClk == 42ns resolution */
1090 audio_tstamp_report
->actual_type
= SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT
;
1096 static struct snd_pcm_ops skl_platform_ops
= {
1097 .open
= skl_platform_open
,
1098 .ioctl
= snd_pcm_lib_ioctl
,
1099 .trigger
= skl_platform_pcm_trigger
,
1100 .pointer
= skl_platform_pcm_pointer
,
1101 .get_time_info
= skl_get_time_info
,
1102 .mmap
= snd_pcm_lib_default_mmap
,
1103 .page
= snd_pcm_sgbuf_ops_page
,
1106 static void skl_pcm_free(struct snd_pcm
*pcm
)
1108 snd_pcm_lib_preallocate_free_for_all(pcm
);
1111 #define MAX_PREALLOC_SIZE (32 * 1024 * 1024)
1113 static int skl_pcm_new(struct snd_soc_pcm_runtime
*rtd
)
1115 struct snd_soc_dai
*dai
= rtd
->cpu_dai
;
1116 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dai
->dev
);
1117 struct snd_pcm
*pcm
= rtd
->pcm
;
1120 struct skl
*skl
= ebus_to_skl(ebus
);
1122 if (dai
->driver
->playback
.channels_min
||
1123 dai
->driver
->capture
.channels_min
) {
1124 /* buffer pre-allocation */
1125 size
= CONFIG_SND_HDA_PREALLOC_SIZE
* 1024;
1126 if (size
> MAX_PREALLOC_SIZE
)
1127 size
= MAX_PREALLOC_SIZE
;
1128 retval
= snd_pcm_lib_preallocate_pages_for_all(pcm
,
1129 SNDRV_DMA_TYPE_DEV_SG
,
1130 snd_dma_pci_data(skl
->pci
),
1131 size
, MAX_PREALLOC_SIZE
);
1133 dev_err(dai
->dev
, "dma buffer allocationf fail\n");
1141 static int skl_platform_soc_probe(struct snd_soc_platform
*platform
)
1143 struct hdac_ext_bus
*ebus
= dev_get_drvdata(platform
->dev
);
1144 struct skl
*skl
= ebus_to_skl(ebus
);
1148 ret
= skl_tplg_init(platform
, ebus
);
1150 dev_err(platform
->dev
, "Failed to init topology!\n");
1153 skl
->platform
= platform
;
1158 static struct snd_soc_platform_driver skl_platform_drv
= {
1159 .probe
= skl_platform_soc_probe
,
1160 .ops
= &skl_platform_ops
,
1161 .pcm_new
= skl_pcm_new
,
1162 .pcm_free
= skl_pcm_free
,
1165 static const struct snd_soc_component_driver skl_component
= {
1169 int skl_platform_register(struct device
*dev
)
1172 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dev
);
1173 struct skl
*skl
= ebus_to_skl(ebus
);
1175 INIT_LIST_HEAD(&skl
->ppl_list
);
1177 ret
= snd_soc_register_platform(dev
, &skl_platform_drv
);
1179 dev_err(dev
, "soc platform registration failed %d\n", ret
);
1182 ret
= snd_soc_register_component(dev
, &skl_component
,
1184 ARRAY_SIZE(skl_platform_dai
));
1186 dev_err(dev
, "soc component registration failed %d\n", ret
);
1187 snd_soc_unregister_platform(dev
);
1194 int skl_platform_unregister(struct device
*dev
)
1196 snd_soc_unregister_component(dev
);
1197 snd_soc_unregister_platform(dev
);