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a40e693c JK |
1 | /* |
2 | * skl-pcm.c -ASoC HDA Platform driver file implementing PCM functionality | |
3 | * | |
4 | * Copyright (C) 2014-2015 Intel Corp | |
5 | * Author: Jeeja KP <jeeja.kp@intel.com> | |
6 | * | |
7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
8 | * | |
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. | |
12 | * | |
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. | |
17 | * | |
18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <linux/pci.h> | |
23 | #include <linux/pm_runtime.h> | |
24 | #include <sound/pcm_params.h> | |
25 | #include <sound/soc.h> | |
26 | #include "skl.h" | |
b663a8c5 | 27 | #include "skl-topology.h" |
a40e693c JK |
28 | |
29 | #define HDA_MONO 1 | |
30 | #define HDA_STEREO 2 | |
31 | ||
32 | static struct snd_pcm_hardware azx_pcm_hw = { | |
33 | .info = (SNDRV_PCM_INFO_MMAP | | |
34 | SNDRV_PCM_INFO_INTERLEAVED | | |
35 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
36 | SNDRV_PCM_INFO_MMAP_VALID | | |
37 | SNDRV_PCM_INFO_PAUSE | | |
38 | SNDRV_PCM_INFO_SYNC_START | | |
39 | SNDRV_PCM_INFO_HAS_WALL_CLOCK | /* legacy */ | |
40 | SNDRV_PCM_INFO_HAS_LINK_ATIME | | |
41 | SNDRV_PCM_INFO_NO_PERIOD_WAKEUP), | |
42 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
43 | .rates = SNDRV_PCM_RATE_48000, | |
44 | .rate_min = 48000, | |
45 | .rate_max = 48000, | |
46 | .channels_min = 2, | |
47 | .channels_max = 2, | |
48 | .buffer_bytes_max = AZX_MAX_BUF_SIZE, | |
49 | .period_bytes_min = 128, | |
50 | .period_bytes_max = AZX_MAX_BUF_SIZE / 2, | |
51 | .periods_min = 2, | |
52 | .periods_max = AZX_MAX_FRAG, | |
53 | .fifo_size = 0, | |
54 | }; | |
55 | ||
56 | static inline | |
57 | struct hdac_ext_stream *get_hdac_ext_stream(struct snd_pcm_substream *substream) | |
58 | { | |
59 | return substream->runtime->private_data; | |
60 | } | |
61 | ||
62 | static struct hdac_ext_bus *get_bus_ctx(struct snd_pcm_substream *substream) | |
63 | { | |
64 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); | |
65 | struct hdac_stream *hstream = hdac_stream(stream); | |
66 | struct hdac_bus *bus = hstream->bus; | |
67 | ||
68 | return hbus_to_ebus(bus); | |
69 | } | |
70 | ||
71 | static int skl_substream_alloc_pages(struct hdac_ext_bus *ebus, | |
72 | struct snd_pcm_substream *substream, | |
73 | size_t size) | |
74 | { | |
75 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); | |
76 | ||
77 | hdac_stream(stream)->bufsize = 0; | |
78 | hdac_stream(stream)->period_bytes = 0; | |
79 | hdac_stream(stream)->format_val = 0; | |
80 | ||
81 | return snd_pcm_lib_malloc_pages(substream, size); | |
82 | } | |
83 | ||
84 | static int skl_substream_free_pages(struct hdac_bus *bus, | |
85 | struct snd_pcm_substream *substream) | |
86 | { | |
87 | return snd_pcm_lib_free_pages(substream); | |
88 | } | |
89 | ||
90 | static void skl_set_pcm_constrains(struct hdac_ext_bus *ebus, | |
91 | struct snd_pcm_runtime *runtime) | |
92 | { | |
93 | snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); | |
94 | ||
95 | /* avoid wrap-around with wall-clock */ | |
96 | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME, | |
97 | 20, 178000000); | |
98 | } | |
99 | ||
05057001 JK |
100 | static enum hdac_ext_stream_type skl_get_host_stream_type(struct hdac_ext_bus *ebus) |
101 | { | |
102 | if (ebus->ppcap) | |
103 | return HDAC_EXT_STREAM_TYPE_HOST; | |
104 | else | |
105 | return HDAC_EXT_STREAM_TYPE_COUPLED; | |
106 | } | |
107 | ||
a40e693c JK |
108 | static int skl_pcm_open(struct snd_pcm_substream *substream, |
109 | struct snd_soc_dai *dai) | |
110 | { | |
111 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); | |
112 | struct hdac_ext_stream *stream; | |
113 | struct snd_pcm_runtime *runtime = substream->runtime; | |
114 | struct skl_dma_params *dma_params; | |
115 | int ret; | |
116 | ||
117 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); | |
118 | ret = pm_runtime_get_sync(dai->dev); | |
119 | if (ret) | |
120 | return ret; | |
121 | ||
122 | stream = snd_hdac_ext_stream_assign(ebus, substream, | |
05057001 | 123 | skl_get_host_stream_type(ebus)); |
a40e693c JK |
124 | if (stream == NULL) |
125 | return -EBUSY; | |
126 | ||
127 | skl_set_pcm_constrains(ebus, runtime); | |
128 | ||
129 | /* | |
130 | * disable WALLCLOCK timestamps for capture streams | |
131 | * until we figure out how to handle digital inputs | |
132 | */ | |
133 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { | |
134 | runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK; /* legacy */ | |
135 | runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME; | |
136 | } | |
137 | ||
138 | runtime->private_data = stream; | |
139 | ||
140 | dma_params = kzalloc(sizeof(*dma_params), GFP_KERNEL); | |
141 | if (!dma_params) | |
142 | return -ENOMEM; | |
143 | ||
144 | dma_params->stream_tag = hdac_stream(stream)->stream_tag; | |
145 | snd_soc_dai_set_dma_data(dai, substream, dma_params); | |
146 | ||
147 | dev_dbg(dai->dev, "stream tag set in dma params=%d\n", | |
148 | dma_params->stream_tag); | |
149 | snd_pcm_set_sync(substream); | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
154 | static int skl_get_format(struct snd_pcm_substream *substream, | |
155 | struct snd_soc_dai *dai) | |
156 | { | |
157 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); | |
158 | struct skl_dma_params *dma_params; | |
05057001 | 159 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
a40e693c | 160 | int format_val = 0; |
a40e693c | 161 | |
05057001 JK |
162 | if (ebus->ppcap) { |
163 | struct snd_pcm_runtime *runtime = substream->runtime; | |
164 | ||
165 | format_val = snd_hdac_calc_stream_format(runtime->rate, | |
166 | runtime->channels, | |
167 | runtime->format, | |
168 | 32, 0); | |
169 | } else { | |
170 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
171 | ||
172 | dma_params = snd_soc_dai_get_dma_data(codec_dai, substream); | |
173 | if (dma_params) | |
174 | format_val = dma_params->format; | |
175 | } | |
a40e693c JK |
176 | |
177 | return format_val; | |
178 | } | |
179 | ||
180 | static int skl_pcm_prepare(struct snd_pcm_substream *substream, | |
181 | struct snd_soc_dai *dai) | |
182 | { | |
183 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); | |
184 | unsigned int format_val; | |
185 | int err; | |
186 | ||
187 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); | |
188 | if (hdac_stream(stream)->prepared) { | |
189 | dev_dbg(dai->dev, "already stream is prepared - returning\n"); | |
190 | return 0; | |
191 | } | |
192 | ||
193 | format_val = skl_get_format(substream, dai); | |
194 | dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d\n", | |
195 | hdac_stream(stream)->stream_tag, format_val); | |
196 | snd_hdac_stream_reset(hdac_stream(stream)); | |
197 | ||
198 | err = snd_hdac_stream_set_params(hdac_stream(stream), format_val); | |
199 | if (err < 0) | |
200 | return err; | |
201 | ||
202 | err = snd_hdac_stream_setup(hdac_stream(stream)); | |
203 | if (err < 0) | |
204 | return err; | |
205 | ||
206 | hdac_stream(stream)->prepared = 1; | |
207 | ||
208 | return err; | |
209 | } | |
210 | ||
211 | static int skl_pcm_hw_params(struct snd_pcm_substream *substream, | |
212 | struct snd_pcm_hw_params *params, | |
213 | struct snd_soc_dai *dai) | |
214 | { | |
215 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); | |
05057001 | 216 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
a40e693c | 217 | struct snd_pcm_runtime *runtime = substream->runtime; |
b663a8c5 JK |
218 | struct skl_pipe_params p_params = {0}; |
219 | struct skl_module_cfg *m_cfg; | |
05057001 | 220 | int ret, dma_id; |
a40e693c JK |
221 | |
222 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); | |
223 | ret = skl_substream_alloc_pages(ebus, substream, | |
224 | params_buffer_bytes(params)); | |
225 | if (ret < 0) | |
226 | return ret; | |
227 | ||
228 | dev_dbg(dai->dev, "format_val, rate=%d, ch=%d, format=%d\n", | |
229 | runtime->rate, runtime->channels, runtime->format); | |
230 | ||
05057001 JK |
231 | dma_id = hdac_stream(stream)->stream_tag - 1; |
232 | dev_dbg(dai->dev, "dma_id=%d\n", dma_id); | |
233 | ||
b663a8c5 JK |
234 | p_params.s_fmt = snd_pcm_format_width(params_format(params)); |
235 | p_params.ch = params_channels(params); | |
236 | p_params.s_freq = params_rate(params); | |
237 | p_params.host_dma_id = dma_id; | |
238 | p_params.stream = substream->stream; | |
239 | ||
240 | m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream); | |
241 | if (m_cfg) | |
242 | skl_tplg_update_pipe_params(dai->dev, m_cfg, &p_params); | |
243 | ||
a40e693c JK |
244 | return 0; |
245 | } | |
246 | ||
247 | static void skl_pcm_close(struct snd_pcm_substream *substream, | |
248 | struct snd_soc_dai *dai) | |
249 | { | |
250 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); | |
05057001 | 251 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
a40e693c JK |
252 | struct skl_dma_params *dma_params = NULL; |
253 | ||
254 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); | |
05057001 JK |
255 | |
256 | snd_hdac_ext_stream_release(stream, skl_get_host_stream_type(ebus)); | |
a40e693c JK |
257 | |
258 | dma_params = snd_soc_dai_get_dma_data(dai, substream); | |
259 | /* | |
260 | * now we should set this to NULL as we are freeing by the | |
261 | * dma_params | |
262 | */ | |
263 | snd_soc_dai_set_dma_data(dai, substream, NULL); | |
264 | ||
265 | pm_runtime_mark_last_busy(dai->dev); | |
266 | pm_runtime_put_autosuspend(dai->dev); | |
267 | kfree(dma_params); | |
268 | } | |
269 | ||
270 | static int skl_pcm_hw_free(struct snd_pcm_substream *substream, | |
271 | struct snd_soc_dai *dai) | |
272 | { | |
273 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); | |
274 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); | |
275 | ||
276 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); | |
277 | ||
278 | snd_hdac_stream_cleanup(hdac_stream(stream)); | |
279 | hdac_stream(stream)->prepared = 0; | |
280 | ||
281 | return skl_substream_free_pages(ebus_to_hbus(ebus), substream); | |
282 | } | |
283 | ||
b663a8c5 JK |
284 | static int skl_be_hw_params(struct snd_pcm_substream *substream, |
285 | struct snd_pcm_hw_params *params, | |
286 | struct snd_soc_dai *dai) | |
287 | { | |
288 | struct skl_pipe_params p_params = {0}; | |
289 | ||
290 | p_params.s_fmt = snd_pcm_format_width(params_format(params)); | |
291 | p_params.ch = params_channels(params); | |
292 | p_params.s_freq = params_rate(params); | |
293 | p_params.stream = substream->stream; | |
294 | skl_tplg_be_update_params(dai, &p_params); | |
295 | ||
296 | return 0; | |
297 | } | |
298 | ||
299 | static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd, | |
300 | struct snd_soc_dai *dai) | |
301 | { | |
302 | struct skl *skl = get_skl_ctx(dai->dev); | |
303 | struct skl_sst *ctx = skl->skl_sst; | |
304 | struct skl_module_cfg *mconfig; | |
305 | ||
306 | mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); | |
307 | if (!mconfig) | |
308 | return -EIO; | |
309 | ||
310 | switch (cmd) { | |
311 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
312 | case SNDRV_PCM_TRIGGER_RESUME: | |
313 | return skl_run_pipe(ctx, mconfig->pipe); | |
314 | ||
315 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
316 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
317 | return skl_stop_pipe(ctx, mconfig->pipe); | |
318 | ||
319 | default: | |
320 | return 0; | |
321 | } | |
322 | } | |
323 | ||
05057001 JK |
324 | static int skl_link_hw_params(struct snd_pcm_substream *substream, |
325 | struct snd_pcm_hw_params *params, | |
326 | struct snd_soc_dai *dai) | |
327 | { | |
328 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); | |
329 | struct hdac_ext_stream *link_dev; | |
330 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); | |
331 | struct skl_dma_params *dma_params; | |
332 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
b663a8c5 | 333 | struct skl_pipe_params p_params = {0}; |
05057001 | 334 | |
05057001 JK |
335 | link_dev = snd_hdac_ext_stream_assign(ebus, substream, |
336 | HDAC_EXT_STREAM_TYPE_LINK); | |
337 | if (!link_dev) | |
338 | return -EBUSY; | |
339 | ||
340 | snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev); | |
341 | ||
342 | /* set the stream tag in the codec dai dma params */ | |
343 | dma_params = (struct skl_dma_params *) | |
344 | snd_soc_dai_get_dma_data(codec_dai, substream); | |
345 | if (dma_params) | |
346 | dma_params->stream_tag = hdac_stream(link_dev)->stream_tag; | |
347 | snd_soc_dai_set_dma_data(codec_dai, substream, (void *)dma_params); | |
b663a8c5 JK |
348 | |
349 | p_params.s_fmt = snd_pcm_format_width(params_format(params)); | |
350 | p_params.ch = params_channels(params); | |
351 | p_params.s_freq = params_rate(params); | |
352 | p_params.stream = substream->stream; | |
353 | p_params.link_dma_id = hdac_stream(link_dev)->stream_tag - 1; | |
354 | ||
355 | skl_tplg_be_update_params(dai, &p_params); | |
05057001 JK |
356 | |
357 | return 0; | |
358 | } | |
359 | ||
360 | static int skl_link_pcm_prepare(struct snd_pcm_substream *substream, | |
361 | struct snd_soc_dai *dai) | |
362 | { | |
363 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); | |
364 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); | |
365 | struct hdac_ext_stream *link_dev = | |
366 | snd_soc_dai_get_dma_data(dai, substream); | |
367 | unsigned int format_val = 0; | |
368 | struct skl_dma_params *dma_params; | |
369 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
05057001 JK |
370 | struct hdac_ext_link *link; |
371 | ||
05057001 JK |
372 | if (link_dev->link_prepared) { |
373 | dev_dbg(dai->dev, "already stream is prepared - returning\n"); | |
374 | return 0; | |
375 | } | |
05057001 JK |
376 | |
377 | dma_params = (struct skl_dma_params *) | |
378 | snd_soc_dai_get_dma_data(codec_dai, substream); | |
379 | if (dma_params) | |
380 | format_val = dma_params->format; | |
381 | dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d codec_dai_name=%s\n", | |
382 | hdac_stream(link_dev)->stream_tag, format_val, codec_dai->name); | |
383 | ||
384 | snd_hdac_ext_link_stream_reset(link_dev); | |
385 | ||
386 | snd_hdac_ext_link_stream_setup(link_dev, format_val); | |
387 | ||
388 | link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name); | |
389 | if (!link) | |
390 | return -EINVAL; | |
391 | ||
392 | snd_hdac_ext_link_set_stream_id(link, hdac_stream(link_dev)->stream_tag); | |
393 | link_dev->link_prepared = 1; | |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
398 | static int skl_link_pcm_trigger(struct snd_pcm_substream *substream, | |
399 | int cmd, struct snd_soc_dai *dai) | |
400 | { | |
401 | struct hdac_ext_stream *link_dev = | |
402 | snd_soc_dai_get_dma_data(dai, substream); | |
403 | ||
404 | dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd); | |
405 | switch (cmd) { | |
406 | case SNDRV_PCM_TRIGGER_START: | |
407 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
408 | case SNDRV_PCM_TRIGGER_RESUME: | |
409 | snd_hdac_ext_link_stream_start(link_dev); | |
410 | break; | |
411 | ||
412 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
413 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
414 | case SNDRV_PCM_TRIGGER_STOP: | |
415 | snd_hdac_ext_link_stream_clear(link_dev); | |
416 | break; | |
417 | ||
418 | default: | |
419 | return -EINVAL; | |
420 | } | |
421 | return 0; | |
422 | } | |
423 | ||
424 | static int skl_link_hw_free(struct snd_pcm_substream *substream, | |
425 | struct snd_soc_dai *dai) | |
426 | { | |
427 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); | |
428 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); | |
429 | struct hdac_ext_stream *link_dev = | |
430 | snd_soc_dai_get_dma_data(dai, substream); | |
431 | struct hdac_ext_link *link; | |
432 | ||
433 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); | |
434 | ||
435 | link_dev->link_prepared = 0; | |
436 | ||
437 | link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name); | |
438 | if (!link) | |
439 | return -EINVAL; | |
440 | ||
441 | snd_hdac_ext_link_clear_stream_id(link, hdac_stream(link_dev)->stream_tag); | |
442 | snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK); | |
443 | return 0; | |
444 | } | |
445 | ||
b663a8c5 | 446 | static int skl_be_startup(struct snd_pcm_substream *substream, |
05057001 JK |
447 | struct snd_soc_dai *dai) |
448 | { | |
449 | return pm_runtime_get_sync(dai->dev); | |
450 | } | |
451 | ||
b663a8c5 | 452 | static void skl_be_shutdown(struct snd_pcm_substream *substream, |
05057001 JK |
453 | struct snd_soc_dai *dai) |
454 | { | |
455 | pm_runtime_mark_last_busy(dai->dev); | |
456 | pm_runtime_put_autosuspend(dai->dev); | |
457 | } | |
458 | ||
a40e693c JK |
459 | static struct snd_soc_dai_ops skl_pcm_dai_ops = { |
460 | .startup = skl_pcm_open, | |
461 | .shutdown = skl_pcm_close, | |
462 | .prepare = skl_pcm_prepare, | |
463 | .hw_params = skl_pcm_hw_params, | |
464 | .hw_free = skl_pcm_hw_free, | |
b663a8c5 | 465 | .trigger = skl_pcm_trigger, |
a40e693c JK |
466 | }; |
467 | ||
05057001 | 468 | static struct snd_soc_dai_ops skl_dmic_dai_ops = { |
b663a8c5 JK |
469 | .startup = skl_be_startup, |
470 | .hw_params = skl_be_hw_params, | |
471 | .shutdown = skl_be_shutdown, | |
472 | }; | |
473 | ||
474 | static struct snd_soc_dai_ops skl_be_ssp_dai_ops = { | |
475 | .startup = skl_be_startup, | |
476 | .hw_params = skl_be_hw_params, | |
477 | .shutdown = skl_be_shutdown, | |
05057001 JK |
478 | }; |
479 | ||
480 | static struct snd_soc_dai_ops skl_link_dai_ops = { | |
b663a8c5 | 481 | .startup = skl_be_startup, |
05057001 JK |
482 | .prepare = skl_link_pcm_prepare, |
483 | .hw_params = skl_link_hw_params, | |
484 | .hw_free = skl_link_hw_free, | |
485 | .trigger = skl_link_pcm_trigger, | |
b663a8c5 | 486 | .shutdown = skl_be_shutdown, |
05057001 JK |
487 | }; |
488 | ||
a40e693c JK |
489 | static struct snd_soc_dai_driver skl_platform_dai[] = { |
490 | { | |
491 | .name = "System Pin", | |
492 | .ops = &skl_pcm_dai_ops, | |
493 | .playback = { | |
494 | .stream_name = "System Playback", | |
495 | .channels_min = HDA_MONO, | |
496 | .channels_max = HDA_STEREO, | |
497 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000, | |
498 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, | |
499 | }, | |
500 | .capture = { | |
501 | .stream_name = "System Capture", | |
502 | .channels_min = HDA_MONO, | |
503 | .channels_max = HDA_STEREO, | |
504 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, | |
505 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, | |
506 | }, | |
507 | }, | |
05057001 JK |
508 | { |
509 | .name = "Reference Pin", | |
510 | .ops = &skl_pcm_dai_ops, | |
511 | .capture = { | |
512 | .stream_name = "Reference Capture", | |
513 | .channels_min = HDA_MONO, | |
514 | .channels_max = HDA_STEREO, | |
515 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, | |
516 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, | |
517 | }, | |
518 | }, | |
a40e693c JK |
519 | { |
520 | .name = "Deepbuffer Pin", | |
521 | .ops = &skl_pcm_dai_ops, | |
522 | .playback = { | |
523 | .stream_name = "Deepbuffer Playback", | |
524 | .channels_min = HDA_STEREO, | |
525 | .channels_max = HDA_STEREO, | |
526 | .rates = SNDRV_PCM_RATE_48000, | |
527 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, | |
528 | }, | |
529 | }, | |
530 | { | |
531 | .name = "LowLatency Pin", | |
532 | .ops = &skl_pcm_dai_ops, | |
533 | .playback = { | |
534 | .stream_name = "Low Latency Playback", | |
535 | .channels_min = HDA_STEREO, | |
536 | .channels_max = HDA_STEREO, | |
537 | .rates = SNDRV_PCM_RATE_48000, | |
538 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, | |
539 | }, | |
540 | }, | |
05057001 | 541 | /* BE CPU Dais */ |
b663a8c5 JK |
542 | { |
543 | .name = "SSP0 Pin", | |
544 | .ops = &skl_be_ssp_dai_ops, | |
545 | .playback = { | |
546 | .stream_name = "ssp0 Tx", | |
547 | .channels_min = HDA_STEREO, | |
548 | .channels_max = HDA_STEREO, | |
549 | .rates = SNDRV_PCM_RATE_48000, | |
550 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
551 | }, | |
552 | .capture = { | |
553 | .stream_name = "ssp0 Rx", | |
554 | .channels_min = HDA_STEREO, | |
555 | .channels_max = HDA_STEREO, | |
556 | .rates = SNDRV_PCM_RATE_48000, | |
557 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
558 | }, | |
559 | }, | |
05057001 JK |
560 | { |
561 | .name = "iDisp Pin", | |
562 | .ops = &skl_link_dai_ops, | |
563 | .playback = { | |
564 | .stream_name = "iDisp Tx", | |
565 | .channels_min = HDA_STEREO, | |
566 | .channels_max = HDA_STEREO, | |
567 | .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, | |
568 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
569 | }, | |
570 | }, | |
571 | { | |
572 | .name = "DMIC01 Pin", | |
573 | .ops = &skl_dmic_dai_ops, | |
574 | .capture = { | |
575 | .stream_name = "DMIC01 Rx", | |
576 | .channels_min = HDA_STEREO, | |
577 | .channels_max = HDA_STEREO, | |
578 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, | |
579 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, | |
580 | }, | |
581 | }, | |
05057001 JK |
582 | { |
583 | .name = "HD-Codec Pin", | |
584 | .ops = &skl_link_dai_ops, | |
585 | .playback = { | |
586 | .stream_name = "HD-Codec Tx", | |
587 | .channels_min = HDA_STEREO, | |
588 | .channels_max = HDA_STEREO, | |
589 | .rates = SNDRV_PCM_RATE_48000, | |
590 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
591 | }, | |
592 | .capture = { | |
593 | .stream_name = "HD-Codec Rx", | |
594 | .channels_min = HDA_STEREO, | |
595 | .channels_max = HDA_STEREO, | |
596 | .rates = SNDRV_PCM_RATE_48000, | |
597 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
598 | }, | |
599 | }, | |
a40e693c JK |
600 | }; |
601 | ||
602 | static int skl_platform_open(struct snd_pcm_substream *substream) | |
603 | { | |
604 | struct snd_pcm_runtime *runtime; | |
605 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
606 | struct snd_soc_dai_link *dai_link = rtd->dai_link; | |
607 | ||
608 | dev_dbg(rtd->cpu_dai->dev, "In %s:%s\n", __func__, | |
609 | dai_link->cpu_dai_name); | |
610 | ||
611 | runtime = substream->runtime; | |
612 | snd_soc_set_runtime_hwparams(substream, &azx_pcm_hw); | |
613 | ||
614 | return 0; | |
615 | } | |
616 | ||
b663a8c5 | 617 | static int skl_coupled_trigger(struct snd_pcm_substream *substream, |
a40e693c JK |
618 | int cmd) |
619 | { | |
620 | struct hdac_ext_bus *ebus = get_bus_ctx(substream); | |
621 | struct hdac_bus *bus = ebus_to_hbus(ebus); | |
622 | struct hdac_ext_stream *stream; | |
623 | struct snd_pcm_substream *s; | |
624 | bool start; | |
625 | int sbits = 0; | |
626 | unsigned long cookie; | |
627 | struct hdac_stream *hstr; | |
628 | ||
629 | stream = get_hdac_ext_stream(substream); | |
630 | hstr = hdac_stream(stream); | |
631 | ||
632 | dev_dbg(bus->dev, "In %s cmd=%d\n", __func__, cmd); | |
633 | ||
634 | if (!hstr->prepared) | |
635 | return -EPIPE; | |
636 | ||
637 | switch (cmd) { | |
638 | case SNDRV_PCM_TRIGGER_START: | |
639 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
640 | case SNDRV_PCM_TRIGGER_RESUME: | |
641 | start = true; | |
642 | break; | |
643 | ||
644 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
645 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
646 | case SNDRV_PCM_TRIGGER_STOP: | |
647 | start = false; | |
648 | break; | |
649 | ||
650 | default: | |
651 | return -EINVAL; | |
652 | } | |
653 | ||
654 | snd_pcm_group_for_each_entry(s, substream) { | |
655 | if (s->pcm->card != substream->pcm->card) | |
656 | continue; | |
657 | stream = get_hdac_ext_stream(s); | |
658 | sbits |= 1 << hdac_stream(stream)->index; | |
659 | snd_pcm_trigger_done(s, substream); | |
660 | } | |
661 | ||
662 | spin_lock_irqsave(&bus->reg_lock, cookie); | |
663 | ||
664 | /* first, set SYNC bits of corresponding streams */ | |
665 | snd_hdac_stream_sync_trigger(hstr, true, sbits, AZX_REG_SSYNC); | |
666 | ||
667 | snd_pcm_group_for_each_entry(s, substream) { | |
668 | if (s->pcm->card != substream->pcm->card) | |
669 | continue; | |
670 | stream = get_hdac_ext_stream(s); | |
671 | if (start) | |
672 | snd_hdac_stream_start(hdac_stream(stream), true); | |
673 | else | |
674 | snd_hdac_stream_stop(hdac_stream(stream)); | |
675 | } | |
676 | spin_unlock_irqrestore(&bus->reg_lock, cookie); | |
677 | ||
678 | snd_hdac_stream_sync(hstr, start, sbits); | |
679 | ||
680 | spin_lock_irqsave(&bus->reg_lock, cookie); | |
681 | ||
682 | /* reset SYNC bits */ | |
683 | snd_hdac_stream_sync_trigger(hstr, false, sbits, AZX_REG_SSYNC); | |
684 | if (start) | |
685 | snd_hdac_stream_timecounter_init(hstr, sbits); | |
686 | spin_unlock_irqrestore(&bus->reg_lock, cookie); | |
687 | ||
688 | return 0; | |
689 | } | |
690 | ||
b663a8c5 | 691 | static int skl_decoupled_trigger(struct snd_pcm_substream *substream, |
05057001 JK |
692 | int cmd) |
693 | { | |
694 | struct hdac_ext_bus *ebus = get_bus_ctx(substream); | |
695 | struct hdac_bus *bus = ebus_to_hbus(ebus); | |
696 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); | |
697 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
698 | struct hdac_ext_stream *stream; | |
699 | int start; | |
700 | unsigned long cookie; | |
701 | struct hdac_stream *hstr; | |
702 | ||
703 | dev_dbg(bus->dev, "In %s cmd=%d streamname=%s\n", __func__, cmd, cpu_dai->name); | |
704 | ||
705 | stream = get_hdac_ext_stream(substream); | |
706 | hstr = hdac_stream(stream); | |
707 | ||
708 | if (!hstr->prepared) | |
709 | return -EPIPE; | |
710 | ||
711 | switch (cmd) { | |
712 | case SNDRV_PCM_TRIGGER_START: | |
713 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
714 | case SNDRV_PCM_TRIGGER_RESUME: | |
715 | start = 1; | |
716 | break; | |
717 | ||
718 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
719 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
720 | case SNDRV_PCM_TRIGGER_STOP: | |
721 | start = 0; | |
722 | break; | |
723 | ||
724 | default: | |
725 | return -EINVAL; | |
726 | } | |
727 | ||
728 | spin_lock_irqsave(&bus->reg_lock, cookie); | |
729 | ||
730 | if (start) | |
731 | snd_hdac_stream_start(hdac_stream(stream), true); | |
732 | else | |
733 | snd_hdac_stream_stop(hdac_stream(stream)); | |
734 | ||
735 | if (start) | |
736 | snd_hdac_stream_timecounter_init(hstr, 0); | |
737 | ||
738 | spin_unlock_irqrestore(&bus->reg_lock, cookie); | |
739 | ||
740 | return 0; | |
741 | } | |
742 | static int skl_platform_pcm_trigger(struct snd_pcm_substream *substream, | |
743 | int cmd) | |
744 | { | |
745 | struct hdac_ext_bus *ebus = get_bus_ctx(substream); | |
746 | ||
747 | if (ebus->ppcap) | |
b663a8c5 | 748 | return skl_decoupled_trigger(substream, cmd); |
05057001 | 749 | else |
b663a8c5 | 750 | return skl_coupled_trigger(substream, cmd); |
05057001 JK |
751 | } |
752 | ||
a40e693c JK |
753 | /* calculate runtime delay from LPIB */ |
754 | static int skl_get_delay_from_lpib(struct hdac_ext_bus *ebus, | |
755 | struct hdac_ext_stream *sstream, | |
756 | unsigned int pos) | |
757 | { | |
758 | struct hdac_bus *bus = ebus_to_hbus(ebus); | |
759 | struct hdac_stream *hstream = hdac_stream(sstream); | |
760 | struct snd_pcm_substream *substream = hstream->substream; | |
761 | int stream = substream->stream; | |
762 | unsigned int lpib_pos = snd_hdac_stream_get_pos_lpib(hstream); | |
763 | int delay; | |
764 | ||
765 | if (stream == SNDRV_PCM_STREAM_PLAYBACK) | |
766 | delay = pos - lpib_pos; | |
767 | else | |
768 | delay = lpib_pos - pos; | |
769 | ||
770 | if (delay < 0) { | |
771 | if (delay >= hstream->delay_negative_threshold) | |
772 | delay = 0; | |
773 | else | |
774 | delay += hstream->bufsize; | |
775 | } | |
776 | ||
777 | if (delay >= hstream->period_bytes) { | |
778 | dev_info(bus->dev, | |
779 | "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n", | |
780 | delay, hstream->period_bytes); | |
781 | delay = 0; | |
782 | } | |
783 | ||
784 | return bytes_to_frames(substream->runtime, delay); | |
785 | } | |
786 | ||
787 | static unsigned int skl_get_position(struct hdac_ext_stream *hstream, | |
788 | int codec_delay) | |
789 | { | |
790 | struct hdac_stream *hstr = hdac_stream(hstream); | |
791 | struct snd_pcm_substream *substream = hstr->substream; | |
792 | struct hdac_ext_bus *ebus = get_bus_ctx(substream); | |
793 | unsigned int pos; | |
794 | int delay; | |
795 | ||
796 | /* use the position buffer as default */ | |
797 | pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream)); | |
798 | ||
799 | if (pos >= hdac_stream(hstream)->bufsize) | |
800 | pos = 0; | |
801 | ||
802 | if (substream->runtime) { | |
803 | delay = skl_get_delay_from_lpib(ebus, hstream, pos) | |
804 | + codec_delay; | |
805 | substream->runtime->delay += delay; | |
806 | } | |
807 | ||
808 | return pos; | |
809 | } | |
810 | ||
811 | static snd_pcm_uframes_t skl_platform_pcm_pointer | |
812 | (struct snd_pcm_substream *substream) | |
813 | { | |
814 | struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream); | |
815 | ||
816 | return bytes_to_frames(substream->runtime, | |
817 | skl_get_position(hstream, 0)); | |
818 | } | |
819 | ||
820 | static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream, | |
821 | u64 nsec) | |
822 | { | |
823 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); | |
824 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
825 | u64 codec_frames, codec_nsecs; | |
826 | ||
827 | if (!codec_dai->driver->ops->delay) | |
828 | return nsec; | |
829 | ||
830 | codec_frames = codec_dai->driver->ops->delay(substream, codec_dai); | |
831 | codec_nsecs = div_u64(codec_frames * 1000000000LL, | |
832 | substream->runtime->rate); | |
833 | ||
834 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) | |
835 | return nsec + codec_nsecs; | |
836 | ||
837 | return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0; | |
838 | } | |
839 | ||
840 | static int skl_get_time_info(struct snd_pcm_substream *substream, | |
841 | struct timespec *system_ts, struct timespec *audio_ts, | |
842 | struct snd_pcm_audio_tstamp_config *audio_tstamp_config, | |
843 | struct snd_pcm_audio_tstamp_report *audio_tstamp_report) | |
844 | { | |
845 | struct hdac_ext_stream *sstream = get_hdac_ext_stream(substream); | |
846 | struct hdac_stream *hstr = hdac_stream(sstream); | |
847 | u64 nsec; | |
848 | ||
849 | if ((substream->runtime->hw.info & SNDRV_PCM_INFO_HAS_LINK_ATIME) && | |
850 | (audio_tstamp_config->type_requested == SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK)) { | |
851 | ||
852 | snd_pcm_gettime(substream->runtime, system_ts); | |
853 | ||
854 | nsec = timecounter_read(&hstr->tc); | |
855 | nsec = div_u64(nsec, 3); /* can be optimized */ | |
856 | if (audio_tstamp_config->report_delay) | |
857 | nsec = skl_adjust_codec_delay(substream, nsec); | |
858 | ||
859 | *audio_ts = ns_to_timespec(nsec); | |
860 | ||
861 | audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK; | |
862 | audio_tstamp_report->accuracy_report = 1; /* rest of struct is valid */ | |
863 | audio_tstamp_report->accuracy = 42; /* 24MHzWallClk == 42ns resolution */ | |
864 | ||
865 | } else { | |
866 | audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT; | |
867 | } | |
868 | ||
869 | return 0; | |
870 | } | |
871 | ||
872 | static struct snd_pcm_ops skl_platform_ops = { | |
873 | .open = skl_platform_open, | |
874 | .ioctl = snd_pcm_lib_ioctl, | |
875 | .trigger = skl_platform_pcm_trigger, | |
876 | .pointer = skl_platform_pcm_pointer, | |
877 | .get_time_info = skl_get_time_info, | |
878 | .mmap = snd_pcm_lib_default_mmap, | |
879 | .page = snd_pcm_sgbuf_ops_page, | |
880 | }; | |
881 | ||
882 | static void skl_pcm_free(struct snd_pcm *pcm) | |
883 | { | |
884 | snd_pcm_lib_preallocate_free_for_all(pcm); | |
885 | } | |
886 | ||
887 | #define MAX_PREALLOC_SIZE (32 * 1024 * 1024) | |
888 | ||
889 | static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
890 | { | |
891 | struct snd_soc_dai *dai = rtd->cpu_dai; | |
892 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); | |
893 | struct snd_pcm *pcm = rtd->pcm; | |
894 | unsigned int size; | |
895 | int retval = 0; | |
896 | struct skl *skl = ebus_to_skl(ebus); | |
897 | ||
898 | if (dai->driver->playback.channels_min || | |
899 | dai->driver->capture.channels_min) { | |
900 | /* buffer pre-allocation */ | |
901 | size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024; | |
902 | if (size > MAX_PREALLOC_SIZE) | |
903 | size = MAX_PREALLOC_SIZE; | |
904 | retval = snd_pcm_lib_preallocate_pages_for_all(pcm, | |
905 | SNDRV_DMA_TYPE_DEV_SG, | |
906 | snd_dma_pci_data(skl->pci), | |
907 | size, MAX_PREALLOC_SIZE); | |
908 | if (retval) { | |
909 | dev_err(dai->dev, "dma buffer allocationf fail\n"); | |
910 | return retval; | |
911 | } | |
912 | } | |
913 | ||
914 | return retval; | |
915 | } | |
916 | ||
b663a8c5 JK |
917 | static int skl_platform_soc_probe(struct snd_soc_platform *platform) |
918 | { | |
919 | struct hdac_ext_bus *ebus = dev_get_drvdata(platform->dev); | |
920 | ||
921 | if (ebus->ppcap) | |
922 | return skl_tplg_init(platform, ebus); | |
923 | ||
924 | return 0; | |
925 | } | |
a40e693c | 926 | static struct snd_soc_platform_driver skl_platform_drv = { |
b663a8c5 | 927 | .probe = skl_platform_soc_probe, |
a40e693c JK |
928 | .ops = &skl_platform_ops, |
929 | .pcm_new = skl_pcm_new, | |
930 | .pcm_free = skl_pcm_free, | |
931 | }; | |
932 | ||
933 | static const struct snd_soc_component_driver skl_component = { | |
934 | .name = "pcm", | |
935 | }; | |
936 | ||
937 | int skl_platform_register(struct device *dev) | |
938 | { | |
939 | int ret; | |
b663a8c5 JK |
940 | struct hdac_ext_bus *ebus = dev_get_drvdata(dev); |
941 | struct skl *skl = ebus_to_skl(ebus); | |
942 | ||
943 | INIT_LIST_HEAD(&skl->ppl_list); | |
944 | INIT_LIST_HEAD(&skl->dapm_path_list); | |
a40e693c JK |
945 | |
946 | ret = snd_soc_register_platform(dev, &skl_platform_drv); | |
947 | if (ret) { | |
948 | dev_err(dev, "soc platform registration failed %d\n", ret); | |
949 | return ret; | |
950 | } | |
951 | ret = snd_soc_register_component(dev, &skl_component, | |
952 | skl_platform_dai, | |
953 | ARRAY_SIZE(skl_platform_dai)); | |
954 | if (ret) { | |
955 | dev_err(dev, "soc component registration failed %d\n", ret); | |
956 | snd_soc_unregister_platform(dev); | |
957 | } | |
958 | ||
959 | return ret; | |
960 | ||
961 | } | |
962 | ||
963 | int skl_platform_unregister(struct device *dev) | |
964 | { | |
965 | snd_soc_unregister_component(dev); | |
966 | snd_soc_unregister_platform(dev); | |
967 | return 0; | |
968 | } |