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ipc3-pcm.c

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linux-6.19.14/sound/soc/sof/ipc3-pcm.c C
  1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
  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) 2021 Intel Corporation
  7//
  8//
  9
 10#include <sound/pcm_params.h>
 11#include "ipc3-priv.h"
 12#include "ops.h"
 13#include "sof-priv.h"
 14#include "sof-audio.h"
 15
 16static int sof_ipc3_pcm_hw_free(struct snd_soc_component *component,
 17				struct snd_pcm_substream *substream)
 18{
 19	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
 20	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 21	struct sof_ipc_stream stream;
 22	struct snd_sof_pcm *spcm;
 23
 24	spcm = snd_sof_find_spcm_dai(component, rtd);
 25	if (!spcm)
 26		return -EINVAL;
 27
 28	if (!spcm->prepared[substream->stream])
 29		return 0;
 30
 31	stream.hdr.size = sizeof(stream);
 32	stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE;
 33	stream.comp_id = spcm->stream[substream->stream].comp_id;
 34
 35	/* send IPC to the DSP */
 36	return sof_ipc_tx_message_no_reply(sdev->ipc, &stream, sizeof(stream));
 37}
 38
 39static int sof_ipc3_pcm_hw_params(struct snd_soc_component *component,
 40				  struct snd_pcm_substream *substream,
 41				  struct snd_pcm_hw_params *params,
 42				  struct snd_sof_platform_stream_params *platform_params)
 43{
 44	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
 45	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 46	struct sof_ipc_fw_version *v = &sdev->fw_ready.version;
 47	struct snd_pcm_runtime *runtime = substream->runtime;
 48	struct sof_ipc_pcm_params_reply ipc_params_reply;
 49	struct sof_ipc_pcm_params pcm;
 50	struct snd_sof_pcm *spcm;
 51	int ret;
 52
 53	spcm = snd_sof_find_spcm_dai(component, rtd);
 54	if (!spcm)
 55		return -EINVAL;
 56
 57	memset(&pcm, 0, sizeof(pcm));
 58
 59	/* number of pages should be rounded up */
 60	pcm.params.buffer.pages = PFN_UP(runtime->dma_bytes);
 61
 62	/* set IPC PCM parameters */
 63	pcm.hdr.size = sizeof(pcm);
 64	pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
 65	pcm.comp_id = spcm->stream[substream->stream].comp_id;
 66	pcm.params.hdr.size = sizeof(pcm.params);
 67	pcm.params.buffer.phy_addr = spcm->stream[substream->stream].page_table.addr;
 68	pcm.params.buffer.size = runtime->dma_bytes;
 69	pcm.params.direction = substream->stream;
 70	pcm.params.sample_valid_bytes = params_width(params) >> 3;
 71	pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
 72	pcm.params.rate = params_rate(params);
 73	pcm.params.channels = params_channels(params);
 74	pcm.params.host_period_bytes = params_period_bytes(params);
 75
 76	/* container size */
 77	ret = snd_pcm_format_physical_width(params_format(params));
 78	if (ret < 0)
 79		return ret;
 80	pcm.params.sample_container_bytes = ret >> 3;
 81
 82	/* format */
 83	switch (params_format(params)) {
 84	case SNDRV_PCM_FORMAT_S16:
 85		pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
 86		break;
 87	case SNDRV_PCM_FORMAT_S24:
 88		pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
 89		break;
 90	case SNDRV_PCM_FORMAT_S32:
 91		pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
 92		break;
 93	case SNDRV_PCM_FORMAT_FLOAT:
 94		pcm.params.frame_fmt = SOF_IPC_FRAME_FLOAT;
 95		break;
 96	default:
 97		return -EINVAL;
 98	}
 99
100	/* Update the IPC message with information from the platform */
101	pcm.params.stream_tag = platform_params->stream_tag;
102
103	if (platform_params->use_phy_address)
104		pcm.params.buffer.phy_addr = platform_params->phy_addr;
105
106	if (platform_params->no_ipc_position) {
107		/* For older ABIs set host_period_bytes to zero to inform
108		 * FW we don't want position updates. Newer versions use
109		 * no_stream_position for this purpose.
110		 */
111		if (v->abi_version < SOF_ABI_VER(3, 10, 0))
112			pcm.params.host_period_bytes = 0;
113		else
114			pcm.params.no_stream_position = 1;
115	}
116
117	if (platform_params->cont_update_posn)
118		pcm.params.cont_update_posn = 1;
119
120	spcm_dbg(spcm, substream->stream, "stream_tag %d\n",
121		 pcm.params.stream_tag);
122
123	/* send hw_params IPC to the DSP */
124	ret = sof_ipc_tx_message(sdev->ipc, &pcm, sizeof(pcm),
125				 &ipc_params_reply, sizeof(ipc_params_reply));
126	if (ret < 0) {
127		spcm_err(spcm, substream->stream,
128			 "STREAM_PCM_PARAMS ipc failed for stream_tag %d\n",
129			 pcm.params.stream_tag);
130		return ret;
131	}
132
133	ret = snd_sof_set_stream_data_offset(sdev, &spcm->stream[substream->stream],
134					     ipc_params_reply.posn_offset);
135	if (ret < 0) {
136		spcm_err(spcm, substream->stream, "invalid stream data offset\n");
137		return ret;
138	}
139
140	return ret;
141}
142
143static int sof_ipc3_pcm_trigger(struct snd_soc_component *component,
144				struct snd_pcm_substream *substream, int cmd)
145{
146	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
147	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
148	struct sof_ipc_stream stream;
149	struct snd_sof_pcm *spcm;
150
151	spcm = snd_sof_find_spcm_dai(component, rtd);
152	if (!spcm)
153		return -EINVAL;
154
155	stream.hdr.size = sizeof(stream);
156	stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG;
157	stream.comp_id = spcm->stream[substream->stream].comp_id;
158
159	switch (cmd) {
160	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
161		stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE;
162		break;
163	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
164		stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE;
165		break;
166	case SNDRV_PCM_TRIGGER_START:
167		stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START;
168		break;
169	case SNDRV_PCM_TRIGGER_SUSPEND:
170		fallthrough;
171	case SNDRV_PCM_TRIGGER_STOP:
172		stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP;
173		break;
174	default:
175		spcm_err(spcm, substream->stream, "Unhandled trigger cmd %d\n", cmd);
176		return -EINVAL;
177	}
178
179	/* send IPC to the DSP */
180	return sof_ipc_tx_message_no_reply(sdev->ipc, &stream, sizeof(stream));
181}
182
183static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name,
184					    struct snd_pcm_hw_params *params)
185{
186	struct sof_ipc_dai_config *config;
187	struct snd_sof_dai *dai;
188	int i;
189
190	/*
191	 * Search for all matching DAIs as we can have both playback and capture DAI
192	 * associated with the same link.
193	 */
194	list_for_each_entry(dai, &sdev->dai_list, list) {
195		if (!dai->name || strcmp(link_name, dai->name))
196			continue;
197		for (i = 0; i < dai->number_configs; i++) {
198			struct sof_dai_private_data *private = dai->private;
199
200			config = &private->dai_config[i];
201			if (config->ssp.fsync_rate == params_rate(params)) {
202				dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i);
203				dai->current_config = i;
204				break;
205			}
206		}
207	}
208}
209
210static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
211				       struct snd_pcm_hw_params *params)
212{
213	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
214	struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
215	struct snd_sof_dai *dai = snd_sof_find_dai(component, (char *)rtd->dai_link->name);
216	struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
217	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
218	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
219	struct sof_dai_private_data *private;
220	struct snd_soc_dpcm *dpcm;
221
222	if (!dai) {
223		dev_err(component->dev, "%s: No DAI found with name %s\n", __func__,
224			rtd->dai_link->name);
225		return -EINVAL;
226	}
227
228	private = dai->private;
229	if (!private) {
230		dev_err(component->dev, "%s: No private data found for DAI %s\n", __func__,
231			rtd->dai_link->name);
232		return -EINVAL;
233	}
234
235	/* read format from topology */
236	snd_mask_none(fmt);
237
238	switch (private->comp_dai->config.frame_fmt) {
239	case SOF_IPC_FRAME_S16_LE:
240		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
241		break;
242	case SOF_IPC_FRAME_S24_4LE:
243		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
244		break;
245	case SOF_IPC_FRAME_S32_LE:
246		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE);
247		break;
248	default:
249		dev_err(component->dev, "No available DAI format!\n");
250		return -EINVAL;
251	}
252
253	/* read rate and channels from topology */
254	switch (private->dai_config->type) {
255	case SOF_DAI_INTEL_SSP:
256		/* search for config to pcm params match, if not found use default */
257		ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params);
258
259		rate->min = private->dai_config[dai->current_config].ssp.fsync_rate;
260		rate->max = private->dai_config[dai->current_config].ssp.fsync_rate;
261		channels->min = private->dai_config[dai->current_config].ssp.tdm_slots;
262		channels->max = private->dai_config[dai->current_config].ssp.tdm_slots;
263
264		dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
265		dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
266			channels->min, channels->max);
267
268		break;
269	case SOF_DAI_INTEL_DMIC:
270		/* DMIC only supports 16 or 32 bit formats */
271		if (private->comp_dai->config.frame_fmt == SOF_IPC_FRAME_S24_4LE) {
272			dev_err(component->dev, "Invalid fmt %d for DAI type %d\n",
273				private->comp_dai->config.frame_fmt,
274				private->dai_config->type);
275		}
276		break;
277	case SOF_DAI_INTEL_HDA:
278		/*
279		 * HDAudio does not follow the default trigger
280		 * sequence due to firmware implementation
281		 */
282		for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
283			struct snd_soc_pcm_runtime *fe = dpcm->fe;
284
285			fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
286				SND_SOC_DPCM_TRIGGER_POST;
287		}
288		break;
289	case SOF_DAI_INTEL_ALH:
290		/*
291		 * Dai could run with different channel count compared with
292		 * front end, so get dai channel count from topology
293		 */
294		channels->min = private->dai_config->alh.channels;
295		channels->max = private->dai_config->alh.channels;
296		break;
297	case SOF_DAI_IMX_ESAI:
298		rate->min = private->dai_config->esai.fsync_rate;
299		rate->max = private->dai_config->esai.fsync_rate;
300		channels->min = private->dai_config->esai.tdm_slots;
301		channels->max = private->dai_config->esai.tdm_slots;
302
303		dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
304		dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
305			channels->min, channels->max);
306		break;
307	case SOF_DAI_MEDIATEK_AFE:
308		rate->min = private->dai_config->afe.rate;
309		rate->max = private->dai_config->afe.rate;
310		channels->min = private->dai_config->afe.channels;
311		channels->max = private->dai_config->afe.channels;
312
313		snd_mask_none(fmt);
314
315		switch (private->dai_config->afe.format) {
316		case SOF_IPC_FRAME_S16_LE:
317			snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
318			break;
319		case SOF_IPC_FRAME_S24_4LE:
320			snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
321			break;
322		case SOF_IPC_FRAME_S32_LE:
323			snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE);
324			break;
325		default:
326			dev_err(component->dev, "Not available format!\n");
327			return -EINVAL;
328		}
329
330		dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
331		dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
332			channels->min, channels->max);
333		break;
334	case SOF_DAI_IMX_SAI:
335		rate->min = private->dai_config->sai.fsync_rate;
336		rate->max = private->dai_config->sai.fsync_rate;
337		channels->min = private->dai_config->sai.tdm_slots;
338		channels->max = private->dai_config->sai.tdm_slots;
339
340		dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
341		dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
342			channels->min, channels->max);
343		break;
344	case SOF_DAI_AMD_BT:
345		rate->min = private->dai_config->acpbt.fsync_rate;
346		rate->max = private->dai_config->acpbt.fsync_rate;
347		channels->min = private->dai_config->acpbt.tdm_slots;
348		channels->max = private->dai_config->acpbt.tdm_slots;
349
350		dev_dbg(component->dev,
351			"AMD_BT rate_min: %d rate_max: %d\n", rate->min, rate->max);
352		dev_dbg(component->dev, "AMD_BT channels_min: %d channels_max: %d\n",
353			channels->min, channels->max);
354		break;
355	case SOF_DAI_AMD_SP:
356	case SOF_DAI_AMD_SP_VIRTUAL:
357		rate->min = private->dai_config->acpsp.fsync_rate;
358		rate->max = private->dai_config->acpsp.fsync_rate;
359		channels->min = private->dai_config->acpsp.tdm_slots;
360		channels->max = private->dai_config->acpsp.tdm_slots;
361
362		dev_dbg(component->dev,
363			"AMD_SP rate_min: %d rate_max: %d\n", rate->min, rate->max);
364		dev_dbg(component->dev, "AMD_SP channels_min: %d channels_max: %d\n",
365			channels->min, channels->max);
366		break;
367	case SOF_DAI_AMD_HS:
368	case SOF_DAI_AMD_HS_VIRTUAL:
369		rate->min = private->dai_config->acphs.fsync_rate;
370		rate->max = private->dai_config->acphs.fsync_rate;
371		channels->min = private->dai_config->acphs.tdm_slots;
372		channels->max = private->dai_config->acphs.tdm_slots;
373
374		dev_dbg(component->dev,
375			"AMD_HS channel_max: %d rate_max: %d\n", channels->max, rate->max);
376		break;
377	case SOF_DAI_AMD_DMIC:
378		rate->min = private->dai_config->acpdmic.pdm_rate;
379		rate->max = private->dai_config->acpdmic.pdm_rate;
380		channels->min = private->dai_config->acpdmic.pdm_ch;
381		channels->max = private->dai_config->acpdmic.pdm_ch;
382
383		dev_dbg(component->dev,
384			"AMD_DMIC rate_min: %d rate_max: %d\n", rate->min, rate->max);
385		dev_dbg(component->dev, "AMD_DMIC channels_min: %d channels_max: %d\n",
386			channels->min, channels->max);
387		break;
388	case SOF_DAI_IMX_MICFIL:
389		rate->min = private->dai_config->micfil.pdm_rate;
390		rate->max = private->dai_config->micfil.pdm_rate;
391		channels->min = private->dai_config->micfil.pdm_ch;
392		channels->max = private->dai_config->micfil.pdm_ch;
393
394		dev_dbg(component->dev,
395			"MICFIL PDM rate_min: %d rate_max: %d\n", rate->min, rate->max);
396		dev_dbg(component->dev, "MICFIL PDM channels_min: %d channels_max: %d\n",
397			channels->min, channels->max);
398		break;
399	case SOF_DAI_AMD_SDW:
400		/* change the default trigger sequence as per HW implementation */
401		for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
402			struct snd_soc_pcm_runtime *fe = dpcm->fe;
403
404			fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
405					SND_SOC_DPCM_TRIGGER_POST;
406		}
407
408		for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) {
409			struct snd_soc_pcm_runtime *fe = dpcm->fe;
410
411			fe->dai_link->trigger[SNDRV_PCM_STREAM_CAPTURE] =
412					SND_SOC_DPCM_TRIGGER_POST;
413		}
414		rate->min = private->dai_config->acp_sdw.rate;
415		rate->max = private->dai_config->acp_sdw.rate;
416		channels->min = private->dai_config->acp_sdw.channels;
417		channels->max = private->dai_config->acp_sdw.channels;
418
419		dev_dbg(component->dev,
420			"AMD_SDW rate_min: %d rate_max: %d\n", rate->min, rate->max);
421		dev_dbg(component->dev, "AMD_SDW channels_min: %d channels_max: %d\n",
422			channels->min, channels->max);
423		break;
424	default:
425		dev_err(component->dev, "Invalid DAI type %d\n", private->dai_config->type);
426		break;
427	}
428
429	return 0;
430}
431
432const struct sof_ipc_pcm_ops ipc3_pcm_ops = {
433	.hw_params = sof_ipc3_pcm_hw_params,
434	.hw_free = sof_ipc3_pcm_hw_free,
435	.trigger = sof_ipc3_pcm_trigger,
436	.dai_link_fixup = sof_ipc3_pcm_dai_link_fixup,
437	.reset_hw_params_during_stop = true,
438	.d0i3_supported_in_s0ix = true,
439};
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