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
);