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e149ca29 | 1 | // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) |
868bd00f LG |
2 | // |
3 | // This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | // redistributing this file, you may do so under either license. | |
5 | // | |
6 | // Copyright(c) 2018 Intel Corporation. All rights reserved. | |
7 | // | |
8 | // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> | |
9 | // | |
10 | // PCM Layer, interface between ALSA and IPC. | |
11 | // | |
12 | ||
13 | #include <linux/pm_runtime.h> | |
14 | #include <sound/pcm_params.h> | |
15 | #include <sound/sof.h> | |
16 | #include "sof-priv.h" | |
ee1e79b7 | 17 | #include "sof-audio.h" |
868bd00f | 18 | #include "ops.h" |
70368106 CR |
19 | #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES) |
20 | #include "compress.h" | |
21 | #endif | |
868bd00f | 22 | |
868bd00f | 23 | /* Create DMA buffer page table for DSP */ |
1c91d77e KM |
24 | static int create_page_table(struct snd_soc_component *component, |
25 | struct snd_pcm_substream *substream, | |
868bd00f LG |
26 | unsigned char *dma_area, size_t size) |
27 | { | |
1205300a | 28 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
868bd00f LG |
29 | struct snd_sof_pcm *spcm; |
30 | struct snd_dma_buffer *dmab = snd_pcm_get_dma_buf(substream); | |
31 | int stream = substream->stream; | |
32 | ||
ee1e79b7 | 33 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f LG |
34 | if (!spcm) |
35 | return -EINVAL; | |
36 | ||
ee1e79b7 | 37 | return snd_sof_create_page_table(component->dev, dmab, |
868bd00f LG |
38 | spcm->stream[stream].page_table.area, size); |
39 | } | |
40 | ||
41 | static int sof_pcm_dsp_params(struct snd_sof_pcm *spcm, struct snd_pcm_substream *substream, | |
42 | const struct sof_ipc_pcm_params_reply *reply) | |
43 | { | |
ee1e79b7 RS |
44 | struct snd_soc_component *scomp = spcm->scomp; |
45 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); | |
46 | ||
868bd00f LG |
47 | /* validate offset */ |
48 | int ret = snd_sof_ipc_pcm_params(sdev, substream, reply); | |
49 | ||
50 | if (ret < 0) | |
ee1e79b7 | 51 | dev_err(scomp->dev, "error: got wrong reply for PCM %d\n", |
868bd00f LG |
52 | spcm->pcm.pcm_id); |
53 | ||
54 | return ret; | |
55 | } | |
56 | ||
e2803e61 KJ |
57 | /* |
58 | * sof pcm period elapse work | |
59 | */ | |
9ef91cad | 60 | void snd_sof_pcm_period_elapsed_work(struct work_struct *work) |
e2803e61 KJ |
61 | { |
62 | struct snd_sof_pcm_stream *sps = | |
63 | container_of(work, struct snd_sof_pcm_stream, | |
64 | period_elapsed_work); | |
65 | ||
66 | snd_pcm_period_elapsed(sps->substream); | |
67 | } | |
68 | ||
69 | /* | |
70 | * sof pcm period elapse, this could be called at irq thread context. | |
71 | */ | |
72 | void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream) | |
73 | { | |
1205300a | 74 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
e2803e61 | 75 | struct snd_soc_component *component = |
ee1e79b7 | 76 | snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME); |
e2803e61 KJ |
77 | struct snd_sof_pcm *spcm; |
78 | ||
ee1e79b7 | 79 | spcm = snd_sof_find_spcm_dai(component, rtd); |
e2803e61 | 80 | if (!spcm) { |
ee1e79b7 | 81 | dev_err(component->dev, |
e2803e61 KJ |
82 | "error: period elapsed for unknown stream!\n"); |
83 | return; | |
84 | } | |
85 | ||
86 | /* | |
87 | * snd_pcm_period_elapsed() can be called in interrupt context | |
88 | * before IRQ_HANDLED is returned. Inside snd_pcm_period_elapsed(), | |
89 | * when the PCM is done draining or xrun happened, a STOP IPC will | |
90 | * then be sent and this IPC will hit IPC timeout. | |
91 | * To avoid sending IPC before the previous IPC is handled, we | |
92 | * schedule delayed work here to call the snd_pcm_period_elapsed(). | |
93 | */ | |
94 | schedule_work(&spcm->stream[substream->stream].period_elapsed_work); | |
95 | } | |
96 | EXPORT_SYMBOL(snd_sof_pcm_period_elapsed); | |
97 | ||
cfe8191b KV |
98 | static int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, |
99 | struct snd_sof_dev *sdev, | |
100 | struct snd_sof_pcm *spcm) | |
101 | { | |
102 | struct sof_ipc_stream stream; | |
103 | struct sof_ipc_reply reply; | |
104 | int ret; | |
105 | ||
106 | stream.hdr.size = sizeof(stream); | |
107 | stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE; | |
108 | stream.comp_id = spcm->stream[substream->stream].comp_id; | |
109 | ||
110 | /* send IPC to the DSP */ | |
111 | ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream, | |
112 | sizeof(stream), &reply, sizeof(reply)); | |
113 | if (!ret) | |
114 | spcm->prepared[substream->stream] = false; | |
115 | ||
116 | return ret; | |
117 | } | |
118 | ||
1c91d77e KM |
119 | static int sof_pcm_hw_params(struct snd_soc_component *component, |
120 | struct snd_pcm_substream *substream, | |
868bd00f LG |
121 | struct snd_pcm_hw_params *params) |
122 | { | |
1205300a | 123 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
868bd00f | 124 | struct snd_pcm_runtime *runtime = substream->runtime; |
868bd00f LG |
125 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
126 | struct snd_sof_pcm *spcm; | |
127 | struct sof_ipc_pcm_params pcm; | |
128 | struct sof_ipc_pcm_params_reply ipc_params_reply; | |
129 | int ret; | |
130 | ||
131 | /* nothing to do for BE */ | |
132 | if (rtd->dai_link->no_pcm) | |
133 | return 0; | |
134 | ||
ee1e79b7 | 135 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f LG |
136 | if (!spcm) |
137 | return -EINVAL; | |
138 | ||
cfe8191b KV |
139 | /* |
140 | * Handle repeated calls to hw_params() without free_pcm() in | |
141 | * between. At least ALSA OSS emulation depends on this. | |
142 | */ | |
143 | if (spcm->prepared[substream->stream]) { | |
144 | ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm); | |
145 | if (ret < 0) | |
146 | return ret; | |
147 | } | |
148 | ||
ee1e79b7 | 149 | dev_dbg(component->dev, "pcm: hw params stream %d dir %d\n", |
868bd00f LG |
150 | spcm->pcm.pcm_id, substream->stream); |
151 | ||
152 | memset(&pcm, 0, sizeof(pcm)); | |
153 | ||
57e960f0 TI |
154 | /* create compressed page table for audio firmware */ |
155 | if (runtime->buffer_changed) { | |
1c91d77e | 156 | ret = create_page_table(component, substream, runtime->dma_area, |
868bd00f LG |
157 | runtime->dma_bytes); |
158 | if (ret < 0) | |
159 | return ret; | |
160 | } | |
161 | ||
162 | /* number of pages should be rounded up */ | |
163 | pcm.params.buffer.pages = PFN_UP(runtime->dma_bytes); | |
164 | ||
165 | /* set IPC PCM parameters */ | |
166 | pcm.hdr.size = sizeof(pcm); | |
167 | pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS; | |
168 | pcm.comp_id = spcm->stream[substream->stream].comp_id; | |
169 | pcm.params.hdr.size = sizeof(pcm.params); | |
170 | pcm.params.buffer.phy_addr = | |
171 | spcm->stream[substream->stream].page_table.addr; | |
172 | pcm.params.buffer.size = runtime->dma_bytes; | |
173 | pcm.params.direction = substream->stream; | |
174 | pcm.params.sample_valid_bytes = params_width(params) >> 3; | |
175 | pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED; | |
176 | pcm.params.rate = params_rate(params); | |
177 | pcm.params.channels = params_channels(params); | |
178 | pcm.params.host_period_bytes = params_period_bytes(params); | |
179 | ||
180 | /* container size */ | |
181 | ret = snd_pcm_format_physical_width(params_format(params)); | |
182 | if (ret < 0) | |
183 | return ret; | |
184 | pcm.params.sample_container_bytes = ret >> 3; | |
185 | ||
186 | /* format */ | |
187 | switch (params_format(params)) { | |
188 | case SNDRV_PCM_FORMAT_S16: | |
189 | pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE; | |
190 | break; | |
191 | case SNDRV_PCM_FORMAT_S24: | |
192 | pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE; | |
193 | break; | |
194 | case SNDRV_PCM_FORMAT_S32: | |
195 | pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE; | |
196 | break; | |
197 | case SNDRV_PCM_FORMAT_FLOAT: | |
198 | pcm.params.frame_fmt = SOF_IPC_FRAME_FLOAT; | |
199 | break; | |
200 | default: | |
201 | return -EINVAL; | |
202 | } | |
203 | ||
204 | /* firmware already configured host stream */ | |
205 | ret = snd_sof_pcm_platform_hw_params(sdev, | |
206 | substream, | |
207 | params, | |
208 | &pcm.params); | |
209 | if (ret < 0) { | |
ee1e79b7 | 210 | dev_err(component->dev, "error: platform hw params failed\n"); |
868bd00f LG |
211 | return ret; |
212 | } | |
213 | ||
ee1e79b7 | 214 | dev_dbg(component->dev, "stream_tag %d", pcm.params.stream_tag); |
868bd00f LG |
215 | |
216 | /* send IPC to the DSP */ | |
217 | ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm), | |
218 | &ipc_params_reply, sizeof(ipc_params_reply)); | |
219 | if (ret < 0) { | |
ee1e79b7 | 220 | dev_err(component->dev, "error: hw params ipc failed for stream %d\n", |
868bd00f LG |
221 | pcm.params.stream_tag); |
222 | return ret; | |
223 | } | |
224 | ||
225 | ret = sof_pcm_dsp_params(spcm, substream, &ipc_params_reply); | |
226 | if (ret < 0) | |
227 | return ret; | |
228 | ||
04c80277 KV |
229 | spcm->prepared[substream->stream] = true; |
230 | ||
868bd00f LG |
231 | /* save pcm hw_params */ |
232 | memcpy(&spcm->params[substream->stream], params, sizeof(*params)); | |
233 | ||
234 | return ret; | |
235 | } | |
236 | ||
1c91d77e KM |
237 | static int sof_pcm_hw_free(struct snd_soc_component *component, |
238 | struct snd_pcm_substream *substream) | |
868bd00f | 239 | { |
1205300a | 240 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
868bd00f LG |
241 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
242 | struct snd_sof_pcm *spcm; | |
e66e52c5 | 243 | int ret, err = 0; |
868bd00f LG |
244 | |
245 | /* nothing to do for BE */ | |
246 | if (rtd->dai_link->no_pcm) | |
247 | return 0; | |
248 | ||
ee1e79b7 | 249 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f LG |
250 | if (!spcm) |
251 | return -EINVAL; | |
252 | ||
ee1e79b7 RS |
253 | dev_dbg(component->dev, "pcm: free stream %d dir %d\n", |
254 | spcm->pcm.pcm_id, substream->stream); | |
868bd00f | 255 | |
e66e52c5 KV |
256 | if (spcm->prepared[substream->stream]) { |
257 | ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm); | |
258 | if (ret < 0) | |
259 | err = ret; | |
260 | } | |
868bd00f | 261 | |
e2803e61 KJ |
262 | cancel_work_sync(&spcm->stream[substream->stream].period_elapsed_work); |
263 | ||
93146bc2 | 264 | ret = snd_sof_pcm_platform_hw_free(sdev, substream); |
e66e52c5 | 265 | if (ret < 0) { |
ee1e79b7 | 266 | dev_err(component->dev, "error: platform hw free failed\n"); |
e66e52c5 KV |
267 | err = ret; |
268 | } | |
93146bc2 | 269 | |
e66e52c5 | 270 | return err; |
868bd00f LG |
271 | } |
272 | ||
1c91d77e KM |
273 | static int sof_pcm_prepare(struct snd_soc_component *component, |
274 | struct snd_pcm_substream *substream) | |
868bd00f | 275 | { |
1205300a | 276 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
868bd00f LG |
277 | struct snd_sof_pcm *spcm; |
278 | int ret; | |
279 | ||
280 | /* nothing to do for BE */ | |
281 | if (rtd->dai_link->no_pcm) | |
282 | return 0; | |
283 | ||
ee1e79b7 | 284 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f LG |
285 | if (!spcm) |
286 | return -EINVAL; | |
287 | ||
04c80277 | 288 | if (spcm->prepared[substream->stream]) |
868bd00f LG |
289 | return 0; |
290 | ||
ee1e79b7 RS |
291 | dev_dbg(component->dev, "pcm: prepare stream %d dir %d\n", |
292 | spcm->pcm.pcm_id, substream->stream); | |
868bd00f LG |
293 | |
294 | /* set hw_params */ | |
1c91d77e KM |
295 | ret = sof_pcm_hw_params(component, |
296 | substream, &spcm->params[substream->stream]); | |
868bd00f | 297 | if (ret < 0) { |
ee1e79b7 RS |
298 | dev_err(component->dev, |
299 | "error: set pcm hw_params after resume\n"); | |
868bd00f LG |
300 | return ret; |
301 | } | |
302 | ||
303 | return 0; | |
304 | } | |
305 | ||
306 | /* | |
307 | * FE dai link trigger actions are always executed in non-atomic context because | |
308 | * they involve IPC's. | |
309 | */ | |
1c91d77e KM |
310 | static int sof_pcm_trigger(struct snd_soc_component *component, |
311 | struct snd_pcm_substream *substream, int cmd) | |
868bd00f | 312 | { |
1205300a | 313 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
868bd00f LG |
314 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
315 | struct snd_sof_pcm *spcm; | |
316 | struct sof_ipc_stream stream; | |
317 | struct sof_ipc_reply reply; | |
04c80277 | 318 | bool reset_hw_params = false; |
0a1b0834 | 319 | bool ipc_first = false; |
868bd00f LG |
320 | int ret; |
321 | ||
322 | /* nothing to do for BE */ | |
323 | if (rtd->dai_link->no_pcm) | |
324 | return 0; | |
325 | ||
ee1e79b7 | 326 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f LG |
327 | if (!spcm) |
328 | return -EINVAL; | |
329 | ||
ee1e79b7 | 330 | dev_dbg(component->dev, "pcm: trigger stream %d dir %d cmd %d\n", |
868bd00f LG |
331 | spcm->pcm.pcm_id, substream->stream, cmd); |
332 | ||
333 | stream.hdr.size = sizeof(stream); | |
334 | stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG; | |
335 | stream.comp_id = spcm->stream[substream->stream].comp_id; | |
336 | ||
337 | switch (cmd) { | |
338 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
339 | stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE; | |
0a1b0834 | 340 | ipc_first = true; |
868bd00f LG |
341 | break; |
342 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
343 | stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE; | |
344 | break; | |
345 | case SNDRV_PCM_TRIGGER_RESUME: | |
ac8c046f KJ |
346 | if (spcm->stream[substream->stream].suspend_ignored) { |
347 | /* | |
348 | * this case will be triggered when INFO_RESUME is | |
349 | * supported, no need to resume streams that remained | |
350 | * enabled in D0ix. | |
351 | */ | |
352 | spcm->stream[substream->stream].suspend_ignored = false; | |
353 | return 0; | |
354 | } | |
355 | ||
868bd00f | 356 | /* set up hw_params */ |
1c91d77e | 357 | ret = sof_pcm_prepare(component, substream); |
868bd00f | 358 | if (ret < 0) { |
ee1e79b7 | 359 | dev_err(component->dev, |
868bd00f LG |
360 | "error: failed to set up hw_params upon resume\n"); |
361 | return ret; | |
362 | } | |
363 | ||
364 | /* fallthrough */ | |
365 | case SNDRV_PCM_TRIGGER_START: | |
ac8c046f KJ |
366 | if (spcm->stream[substream->stream].suspend_ignored) { |
367 | /* | |
368 | * This case will be triggered when INFO_RESUME is | |
369 | * not supported, no need to re-start streams that | |
370 | * remained enabled in D0ix. | |
371 | */ | |
372 | spcm->stream[substream->stream].suspend_ignored = false; | |
373 | return 0; | |
374 | } | |
868bd00f LG |
375 | stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START; |
376 | break; | |
377 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
043ae13b | 378 | if (sdev->system_suspend_target == SOF_SUSPEND_S0IX && |
ac8c046f KJ |
379 | spcm->stream[substream->stream].d0i3_compatible) { |
380 | /* | |
381 | * trap the event, not sending trigger stop to | |
382 | * prevent the FW pipelines from being stopped, | |
383 | * and mark the flag to ignore the upcoming DAPM | |
384 | * PM events. | |
385 | */ | |
386 | spcm->stream[substream->stream].suspend_ignored = true; | |
387 | return 0; | |
388 | } | |
389 | /* fallthrough */ | |
868bd00f LG |
390 | case SNDRV_PCM_TRIGGER_STOP: |
391 | stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP; | |
0a1b0834 | 392 | ipc_first = true; |
04c80277 | 393 | reset_hw_params = true; |
868bd00f LG |
394 | break; |
395 | default: | |
ee1e79b7 RS |
396 | dev_err(component->dev, "error: unhandled trigger cmd %d\n", |
397 | cmd); | |
868bd00f LG |
398 | return -EINVAL; |
399 | } | |
400 | ||
0a1b0834 PX |
401 | /* |
402 | * DMA and IPC sequence is different for start and stop. Need to send | |
403 | * STOP IPC before stop DMA | |
404 | */ | |
405 | if (!ipc_first) | |
406 | snd_sof_pcm_platform_trigger(sdev, substream, cmd); | |
868bd00f LG |
407 | |
408 | /* send IPC to the DSP */ | |
409 | ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream, | |
410 | sizeof(stream), &reply, sizeof(reply)); | |
411 | ||
0a1b0834 PX |
412 | /* need to STOP DMA even if STOP IPC failed */ |
413 | if (ipc_first) | |
414 | snd_sof_pcm_platform_trigger(sdev, substream, cmd); | |
415 | ||
416 | /* free PCM if reset_hw_params is set and the STOP IPC is successful */ | |
a49b6871 KV |
417 | if (!ret && reset_hw_params) |
418 | ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm); | |
868bd00f | 419 | |
a49b6871 | 420 | return ret; |
868bd00f LG |
421 | } |
422 | ||
1c91d77e KM |
423 | static snd_pcm_uframes_t sof_pcm_pointer(struct snd_soc_component *component, |
424 | struct snd_pcm_substream *substream) | |
868bd00f | 425 | { |
1205300a | 426 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
868bd00f LG |
427 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
428 | struct snd_sof_pcm *spcm; | |
429 | snd_pcm_uframes_t host, dai; | |
430 | ||
431 | /* nothing to do for BE */ | |
432 | if (rtd->dai_link->no_pcm) | |
433 | return 0; | |
434 | ||
435 | /* use dsp ops pointer callback directly if set */ | |
436 | if (sof_ops(sdev)->pcm_pointer) | |
437 | return sof_ops(sdev)->pcm_pointer(sdev, substream); | |
438 | ||
ee1e79b7 | 439 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f LG |
440 | if (!spcm) |
441 | return -EINVAL; | |
442 | ||
443 | /* read position from DSP */ | |
444 | host = bytes_to_frames(substream->runtime, | |
445 | spcm->stream[substream->stream].posn.host_posn); | |
446 | dai = bytes_to_frames(substream->runtime, | |
447 | spcm->stream[substream->stream].posn.dai_posn); | |
448 | ||
ee1e79b7 RS |
449 | dev_dbg(component->dev, |
450 | "PCM: stream %d dir %d DMA position %lu DAI position %lu\n", | |
868bd00f LG |
451 | spcm->pcm.pcm_id, substream->stream, host, dai); |
452 | ||
453 | return host; | |
454 | } | |
455 | ||
1c91d77e KM |
456 | static int sof_pcm_open(struct snd_soc_component *component, |
457 | struct snd_pcm_substream *substream) | |
868bd00f | 458 | { |
1205300a | 459 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
868bd00f | 460 | struct snd_pcm_runtime *runtime = substream->runtime; |
868bd00f | 461 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
27e322fa | 462 | const struct snd_sof_dsp_ops *ops = sof_ops(sdev); |
868bd00f LG |
463 | struct snd_sof_pcm *spcm; |
464 | struct snd_soc_tplg_stream_caps *caps; | |
465 | int ret; | |
868bd00f LG |
466 | |
467 | /* nothing to do for BE */ | |
468 | if (rtd->dai_link->no_pcm) | |
469 | return 0; | |
470 | ||
ee1e79b7 | 471 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f LG |
472 | if (!spcm) |
473 | return -EINVAL; | |
474 | ||
ee1e79b7 RS |
475 | dev_dbg(component->dev, "pcm: open stream %d dir %d\n", |
476 | spcm->pcm.pcm_id, substream->stream); | |
868bd00f | 477 | |
868bd00f LG |
478 | |
479 | caps = &spcm->pcm.caps[substream->stream]; | |
480 | ||
868bd00f LG |
481 | /* set any runtime constraints based on topology */ |
482 | snd_pcm_hw_constraint_step(substream->runtime, 0, | |
483 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, | |
484 | le32_to_cpu(caps->period_size_min)); | |
485 | snd_pcm_hw_constraint_step(substream->runtime, 0, | |
486 | SNDRV_PCM_HW_PARAM_PERIOD_BYTES, | |
487 | le32_to_cpu(caps->period_size_min)); | |
488 | ||
489 | /* set runtime config */ | |
27e322fa PLB |
490 | runtime->hw.info = ops->hw_info; /* platform-specific */ |
491 | ||
868bd00f LG |
492 | runtime->hw.formats = le64_to_cpu(caps->formats); |
493 | runtime->hw.period_bytes_min = le32_to_cpu(caps->period_size_min); | |
494 | runtime->hw.period_bytes_max = le32_to_cpu(caps->period_size_max); | |
495 | runtime->hw.periods_min = le32_to_cpu(caps->periods_min); | |
496 | runtime->hw.periods_max = le32_to_cpu(caps->periods_max); | |
497 | ||
498 | /* | |
499 | * caps->buffer_size_min is not used since the | |
500 | * snd_pcm_hardware structure only defines buffer_bytes_max | |
501 | */ | |
502 | runtime->hw.buffer_bytes_max = le32_to_cpu(caps->buffer_size_max); | |
503 | ||
ee1e79b7 | 504 | dev_dbg(component->dev, "period min %zd max %zd bytes\n", |
868bd00f LG |
505 | runtime->hw.period_bytes_min, |
506 | runtime->hw.period_bytes_max); | |
ee1e79b7 | 507 | dev_dbg(component->dev, "period count %d max %d\n", |
868bd00f LG |
508 | runtime->hw.periods_min, |
509 | runtime->hw.periods_max); | |
ee1e79b7 | 510 | dev_dbg(component->dev, "buffer max %zd bytes\n", |
868bd00f LG |
511 | runtime->hw.buffer_bytes_max); |
512 | ||
513 | /* set wait time - TODO: come from topology */ | |
514 | substream->wait_time = 500; | |
515 | ||
516 | spcm->stream[substream->stream].posn.host_posn = 0; | |
517 | spcm->stream[substream->stream].posn.dai_posn = 0; | |
518 | spcm->stream[substream->stream].substream = substream; | |
04c80277 | 519 | spcm->prepared[substream->stream] = false; |
868bd00f LG |
520 | |
521 | ret = snd_sof_pcm_platform_open(sdev, substream); | |
14a2212d | 522 | if (ret < 0) |
ee1e79b7 | 523 | dev_err(component->dev, "error: pcm open failed %d\n", ret); |
868bd00f LG |
524 | |
525 | return ret; | |
526 | } | |
527 | ||
1c91d77e KM |
528 | static int sof_pcm_close(struct snd_soc_component *component, |
529 | struct snd_pcm_substream *substream) | |
868bd00f | 530 | { |
1205300a | 531 | struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
868bd00f LG |
532 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
533 | struct snd_sof_pcm *spcm; | |
534 | int err; | |
535 | ||
536 | /* nothing to do for BE */ | |
537 | if (rtd->dai_link->no_pcm) | |
538 | return 0; | |
539 | ||
ee1e79b7 | 540 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f LG |
541 | if (!spcm) |
542 | return -EINVAL; | |
543 | ||
ee1e79b7 RS |
544 | dev_dbg(component->dev, "pcm: close stream %d dir %d\n", |
545 | spcm->pcm.pcm_id, substream->stream); | |
868bd00f LG |
546 | |
547 | err = snd_sof_pcm_platform_close(sdev, substream); | |
548 | if (err < 0) { | |
ee1e79b7 | 549 | dev_err(component->dev, "error: pcm close failed %d\n", |
868bd00f LG |
550 | err); |
551 | /* | |
552 | * keep going, no point in preventing the close | |
553 | * from happening | |
554 | */ | |
555 | } | |
556 | ||
868bd00f LG |
557 | return 0; |
558 | } | |
559 | ||
868bd00f LG |
560 | /* |
561 | * Pre-allocate playback/capture audio buffer pages. | |
562 | * no need to explicitly release memory preallocated by sof_pcm_new in pcm_free | |
563 | * snd_pcm_lib_preallocate_free_for_all() is called by the core. | |
564 | */ | |
1c91d77e KM |
565 | static int sof_pcm_new(struct snd_soc_component *component, |
566 | struct snd_soc_pcm_runtime *rtd) | |
868bd00f | 567 | { |
868bd00f LG |
568 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); |
569 | struct snd_sof_pcm *spcm; | |
570 | struct snd_pcm *pcm = rtd->pcm; | |
571 | struct snd_soc_tplg_stream_caps *caps; | |
572 | int stream = SNDRV_PCM_STREAM_PLAYBACK; | |
573 | ||
574 | /* find SOF PCM for this RTD */ | |
ee1e79b7 | 575 | spcm = snd_sof_find_spcm_dai(component, rtd); |
868bd00f | 576 | if (!spcm) { |
ee1e79b7 | 577 | dev_warn(component->dev, "warn: can't find PCM with DAI ID %d\n", |
868bd00f LG |
578 | rtd->dai_link->id); |
579 | return 0; | |
580 | } | |
581 | ||
ee1e79b7 | 582 | dev_dbg(component->dev, "creating new PCM %s\n", spcm->pcm.pcm_name); |
868bd00f LG |
583 | |
584 | /* do we need to pre-allocate playback audio buffer pages */ | |
585 | if (!spcm->pcm.playback) | |
586 | goto capture; | |
587 | ||
588 | caps = &spcm->pcm.caps[stream]; | |
589 | ||
590 | /* pre-allocate playback audio buffer pages */ | |
ee1e79b7 RS |
591 | dev_dbg(component->dev, |
592 | "spcm: allocate %s playback DMA buffer size 0x%x max 0x%x\n", | |
868bd00f LG |
593 | caps->name, caps->buffer_size_min, caps->buffer_size_max); |
594 | ||
4f7f9564 GL |
595 | if (!pcm->streams[stream].substream) { |
596 | dev_err(component->dev, "error: NULL playback substream!\n"); | |
597 | return -EINVAL; | |
598 | } | |
599 | ||
57e960f0 TI |
600 | snd_pcm_set_managed_buffer(pcm->streams[stream].substream, |
601 | SNDRV_DMA_TYPE_DEV_SG, sdev->dev, | |
e582f483 | 602 | 0, le32_to_cpu(caps->buffer_size_max)); |
868bd00f LG |
603 | capture: |
604 | stream = SNDRV_PCM_STREAM_CAPTURE; | |
605 | ||
606 | /* do we need to pre-allocate capture audio buffer pages */ | |
607 | if (!spcm->pcm.capture) | |
608 | return 0; | |
609 | ||
610 | caps = &spcm->pcm.caps[stream]; | |
611 | ||
612 | /* pre-allocate capture audio buffer pages */ | |
ee1e79b7 RS |
613 | dev_dbg(component->dev, |
614 | "spcm: allocate %s capture DMA buffer size 0x%x max 0x%x\n", | |
868bd00f LG |
615 | caps->name, caps->buffer_size_min, caps->buffer_size_max); |
616 | ||
4f7f9564 GL |
617 | if (!pcm->streams[stream].substream) { |
618 | dev_err(component->dev, "error: NULL capture substream!\n"); | |
619 | return -EINVAL; | |
620 | } | |
621 | ||
57e960f0 TI |
622 | snd_pcm_set_managed_buffer(pcm->streams[stream].substream, |
623 | SNDRV_DMA_TYPE_DEV_SG, sdev->dev, | |
e582f483 | 624 | 0, le32_to_cpu(caps->buffer_size_max)); |
868bd00f LG |
625 | |
626 | return 0; | |
627 | } | |
628 | ||
629 | /* fixup the BE DAI link to match any values from topology */ | |
630 | static int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, | |
631 | struct snd_pcm_hw_params *params) | |
632 | { | |
633 | struct snd_interval *rate = hw_param_interval(params, | |
634 | SNDRV_PCM_HW_PARAM_RATE); | |
635 | struct snd_interval *channels = hw_param_interval(params, | |
636 | SNDRV_PCM_HW_PARAM_CHANNELS); | |
637 | struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); | |
638 | struct snd_soc_component *component = | |
ee1e79b7 | 639 | snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME); |
868bd00f | 640 | struct snd_sof_dai *dai = |
ee1e79b7 | 641 | snd_sof_find_dai(component, (char *)rtd->dai_link->name); |
fd045558 | 642 | struct snd_soc_dpcm *dpcm; |
868bd00f LG |
643 | |
644 | /* no topology exists for this BE, try a common configuration */ | |
645 | if (!dai) { | |
ee1e79b7 RS |
646 | dev_warn(component->dev, |
647 | "warning: no topology found for BE DAI %s config\n", | |
868bd00f LG |
648 | rtd->dai_link->name); |
649 | ||
650 | /* set 48k, stereo, 16bits by default */ | |
651 | rate->min = 48000; | |
652 | rate->max = 48000; | |
653 | ||
654 | channels->min = 2; | |
655 | channels->max = 2; | |
656 | ||
657 | snd_mask_none(fmt); | |
658 | snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); | |
659 | ||
660 | return 0; | |
661 | } | |
662 | ||
663 | /* read format from topology */ | |
664 | snd_mask_none(fmt); | |
665 | ||
666 | switch (dai->comp_dai.config.frame_fmt) { | |
667 | case SOF_IPC_FRAME_S16_LE: | |
668 | snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); | |
669 | break; | |
670 | case SOF_IPC_FRAME_S24_4LE: | |
671 | snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); | |
672 | break; | |
673 | case SOF_IPC_FRAME_S32_LE: | |
674 | snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE); | |
675 | break; | |
676 | default: | |
ee1e79b7 | 677 | dev_err(component->dev, "error: No available DAI format!\n"); |
868bd00f LG |
678 | return -EINVAL; |
679 | } | |
680 | ||
681 | /* read rate and channels from topology */ | |
682 | switch (dai->dai_config->type) { | |
683 | case SOF_DAI_INTEL_SSP: | |
684 | rate->min = dai->dai_config->ssp.fsync_rate; | |
685 | rate->max = dai->dai_config->ssp.fsync_rate; | |
686 | channels->min = dai->dai_config->ssp.tdm_slots; | |
687 | channels->max = dai->dai_config->ssp.tdm_slots; | |
688 | ||
ee1e79b7 | 689 | dev_dbg(component->dev, |
868bd00f | 690 | "rate_min: %d rate_max: %d\n", rate->min, rate->max); |
ee1e79b7 | 691 | dev_dbg(component->dev, |
868bd00f LG |
692 | "channels_min: %d channels_max: %d\n", |
693 | channels->min, channels->max); | |
694 | ||
695 | break; | |
696 | case SOF_DAI_INTEL_DMIC: | |
697 | /* DMIC only supports 16 or 32 bit formats */ | |
698 | if (dai->comp_dai.config.frame_fmt == SOF_IPC_FRAME_S24_4LE) { | |
ee1e79b7 | 699 | dev_err(component->dev, |
868bd00f LG |
700 | "error: invalid fmt %d for DAI type %d\n", |
701 | dai->comp_dai.config.frame_fmt, | |
702 | dai->dai_config->type); | |
703 | } | |
704 | break; | |
705 | case SOF_DAI_INTEL_HDA: | |
fd045558 | 706 | /* |
707 | * HDaudio does not follow the default trigger | |
708 | * sequence due to firmware implementation | |
709 | */ | |
710 | for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) { | |
711 | struct snd_soc_pcm_runtime *fe = dpcm->fe; | |
712 | ||
713 | fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] = | |
714 | SND_SOC_DPCM_TRIGGER_POST; | |
715 | } | |
868bd00f | 716 | break; |
6e3360cd PLB |
717 | case SOF_DAI_INTEL_ALH: |
718 | /* do nothing for ALH dai_link */ | |
719 | break; | |
a4eff5f8 | 720 | case SOF_DAI_IMX_ESAI: |
51b0243a DB |
721 | rate->min = dai->dai_config->esai.fsync_rate; |
722 | rate->max = dai->dai_config->esai.fsync_rate; | |
a4eff5f8 DB |
723 | channels->min = dai->dai_config->esai.tdm_slots; |
724 | channels->max = dai->dai_config->esai.tdm_slots; | |
725 | ||
51b0243a DB |
726 | dev_dbg(component->dev, |
727 | "rate_min: %d rate_max: %d\n", rate->min, rate->max); | |
d88cbd6f GR |
728 | dev_dbg(component->dev, |
729 | "channels_min: %d channels_max: %d\n", | |
730 | channels->min, channels->max); | |
731 | break; | |
732 | case SOF_DAI_IMX_SAI: | |
51b0243a DB |
733 | rate->min = dai->dai_config->sai.fsync_rate; |
734 | rate->max = dai->dai_config->sai.fsync_rate; | |
d88cbd6f GR |
735 | channels->min = dai->dai_config->sai.tdm_slots; |
736 | channels->max = dai->dai_config->sai.tdm_slots; | |
737 | ||
51b0243a DB |
738 | dev_dbg(component->dev, |
739 | "rate_min: %d rate_max: %d\n", rate->min, rate->max); | |
ee1e79b7 | 740 | dev_dbg(component->dev, |
a4eff5f8 DB |
741 | "channels_min: %d channels_max: %d\n", |
742 | channels->min, channels->max); | |
743 | break; | |
868bd00f | 744 | default: |
ee1e79b7 | 745 | dev_err(component->dev, "error: invalid DAI type %d\n", |
868bd00f LG |
746 | dai->dai_config->type); |
747 | break; | |
748 | } | |
749 | ||
750 | return 0; | |
751 | } | |
752 | ||
753 | static int sof_pcm_probe(struct snd_soc_component *component) | |
754 | { | |
755 | struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); | |
756 | struct snd_sof_pdata *plat_data = sdev->pdata; | |
757 | const char *tplg_filename; | |
758 | int ret; | |
759 | ||
760 | /* load the default topology */ | |
761 | sdev->component = component; | |
762 | ||
763 | tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, | |
764 | "%s/%s", | |
765 | plat_data->tplg_filename_prefix, | |
766 | plat_data->tplg_filename); | |
767 | if (!tplg_filename) | |
768 | return -ENOMEM; | |
769 | ||
ee1e79b7 | 770 | ret = snd_sof_load_topology(component, tplg_filename); |
868bd00f | 771 | if (ret < 0) { |
ee1e79b7 | 772 | dev_err(component->dev, "error: failed to load DSP topology %d\n", |
868bd00f LG |
773 | ret); |
774 | return ret; | |
775 | } | |
776 | ||
868bd00f LG |
777 | return ret; |
778 | } | |
779 | ||
780 | static void sof_pcm_remove(struct snd_soc_component *component) | |
781 | { | |
782 | /* remove topology */ | |
783 | snd_soc_tplg_component_remove(component, SND_SOC_TPLG_INDEX_ALL); | |
784 | } | |
785 | ||
786 | void snd_sof_new_platform_drv(struct snd_sof_dev *sdev) | |
787 | { | |
788 | struct snd_soc_component_driver *pd = &sdev->plat_drv; | |
789 | struct snd_sof_pdata *plat_data = sdev->pdata; | |
790 | const char *drv_name; | |
791 | ||
792 | drv_name = plat_data->machine->drv_name; | |
793 | ||
794 | pd->name = "sof-audio-component"; | |
795 | pd->probe = sof_pcm_probe; | |
796 | pd->remove = sof_pcm_remove; | |
1c91d77e KM |
797 | pd->open = sof_pcm_open; |
798 | pd->close = sof_pcm_close; | |
1c91d77e KM |
799 | pd->hw_params = sof_pcm_hw_params; |
800 | pd->prepare = sof_pcm_prepare; | |
801 | pd->hw_free = sof_pcm_hw_free; | |
802 | pd->trigger = sof_pcm_trigger; | |
803 | pd->pointer = sof_pcm_pointer; | |
1c91d77e | 804 | |
868bd00f | 805 | #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS) |
39118ce5 | 806 | pd->compress_ops = &sof_compressed_ops; |
70368106 CR |
807 | #endif |
808 | #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES) | |
809 | /* override cops when probe support is enabled */ | |
39118ce5 | 810 | pd->compress_ops = &sof_probe_compressed_ops; |
868bd00f | 811 | #endif |
1c91d77e | 812 | pd->pcm_construct = sof_pcm_new; |
868bd00f LG |
813 | pd->ignore_machine = drv_name; |
814 | pd->be_hw_params_fixup = sof_pcm_dai_link_fixup; | |
815 | pd->be_pcm_base = SOF_BE_PCM_BASE; | |
816 | pd->use_dai_pcm_id = true; | |
817 | pd->topology_name_prefix = "sof"; | |
818 | ||
819 | /* increment module refcount when a pcm is opened */ | |
820 | pd->module_get_upon_open = 1; | |
821 | } |