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. All rights reserved.
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(c: 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(scomp: 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(ipc: sdev->ipc, msg_data: &stream, msg_bytes: 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(c: 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(scomp: 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(p: params) >> 3;
71 pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
72 pcm.params.rate = params_rate(p: params);
73 pcm.params.channels = params_channels(p: params);
74 pcm.params.host_period_bytes = params_period_bytes(p: params);
75
76 /* container size */
77 ret = snd_pcm_format_physical_width(format: params_format(p: params));
78 if (ret < 0)
79 return ret;
80 pcm.params.sample_container_bytes = ret >> 3;
81
82 /* format */
83 switch (params_format(p: 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 dev_dbg(component->dev, "stream_tag %d", pcm.params.stream_tag);
121
122 /* send hw_params IPC to the DSP */
123 ret = sof_ipc_tx_message(ipc: sdev->ipc, msg_data: &pcm, msg_bytes: sizeof(pcm),
124 reply_data: &ipc_params_reply, reply_bytes: sizeof(ipc_params_reply));
125 if (ret < 0) {
126 dev_err(component->dev, "HW params ipc failed for stream %d\n",
127 pcm.params.stream_tag);
128 return ret;
129 }
130
131 ret = snd_sof_set_stream_data_offset(sdev, sps: &spcm->stream[substream->stream],
132 posn_offset: ipc_params_reply.posn_offset);
133 if (ret < 0) {
134 dev_err(component->dev, "%s: invalid stream data offset for PCM %d\n",
135 __func__, spcm->pcm.pcm_id);
136 return ret;
137 }
138
139 return ret;
140}
141
142static int sof_ipc3_pcm_trigger(struct snd_soc_component *component,
143 struct snd_pcm_substream *substream, int cmd)
144{
145 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
146 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(c: component);
147 struct sof_ipc_stream stream;
148 struct snd_sof_pcm *spcm;
149
150 spcm = snd_sof_find_spcm_dai(scomp: component, rtd);
151 if (!spcm)
152 return -EINVAL;
153
154 stream.hdr.size = sizeof(stream);
155 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG;
156 stream.comp_id = spcm->stream[substream->stream].comp_id;
157
158 switch (cmd) {
159 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
160 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE;
161 break;
162 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
163 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE;
164 break;
165 case SNDRV_PCM_TRIGGER_START:
166 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START;
167 break;
168 case SNDRV_PCM_TRIGGER_SUSPEND:
169 fallthrough;
170 case SNDRV_PCM_TRIGGER_STOP:
171 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP;
172 break;
173 default:
174 dev_err(component->dev, "Unhandled trigger cmd %d\n", cmd);
175 return -EINVAL;
176 }
177
178 /* send IPC to the DSP */
179 return sof_ipc_tx_message_no_reply(ipc: sdev->ipc, msg_data: &stream, msg_bytes: sizeof(stream));
180}
181
182static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name,
183 struct snd_pcm_hw_params *params)
184{
185 struct sof_ipc_dai_config *config;
186 struct snd_sof_dai *dai;
187 int i;
188
189 /*
190 * Search for all matching DAIs as we can have both playback and capture DAI
191 * associated with the same link.
192 */
193 list_for_each_entry(dai, &sdev->dai_list, list) {
194 if (!dai->name || strcmp(link_name, dai->name))
195 continue;
196 for (i = 0; i < dai->number_configs; i++) {
197 struct sof_dai_private_data *private = dai->private;
198
199 config = &private->dai_config[i];
200 if (config->ssp.fsync_rate == params_rate(p: params)) {
201 dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i);
202 dai->current_config = i;
203 break;
204 }
205 }
206 }
207}
208
209static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
210 struct snd_pcm_hw_params *params)
211{
212 struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
213 struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
214 struct snd_sof_dai *dai = snd_sof_find_dai(scomp: component, name: (char *)rtd->dai_link->name);
215 struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
216 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
217 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(c: component);
218 struct sof_dai_private_data *private;
219 struct snd_soc_dpcm *dpcm;
220
221 if (!dai) {
222 dev_err(component->dev, "%s: No DAI found with name %s\n", __func__,
223 rtd->dai_link->name);
224 return -EINVAL;
225 }
226
227 private = dai->private;
228 if (!private) {
229 dev_err(component->dev, "%s: No private data found for DAI %s\n", __func__,
230 rtd->dai_link->name);
231 return -EINVAL;
232 }
233
234 /* read format from topology */
235 snd_mask_none(mask: fmt);
236
237 switch (private->comp_dai->config.frame_fmt) {
238 case SOF_IPC_FRAME_S16_LE:
239 snd_mask_set_format(mask: fmt, SNDRV_PCM_FORMAT_S16_LE);
240 break;
241 case SOF_IPC_FRAME_S24_4LE:
242 snd_mask_set_format(mask: fmt, SNDRV_PCM_FORMAT_S24_LE);
243 break;
244 case SOF_IPC_FRAME_S32_LE:
245 snd_mask_set_format(mask: fmt, SNDRV_PCM_FORMAT_S32_LE);
246 break;
247 default:
248 dev_err(component->dev, "No available DAI format!\n");
249 return -EINVAL;
250 }
251
252 /* read rate and channels from topology */
253 switch (private->dai_config->type) {
254 case SOF_DAI_INTEL_SSP:
255 /* search for config to pcm params match, if not found use default */
256 ssp_dai_config_pcm_params_match(sdev, link_name: (char *)rtd->dai_link->name, params);
257
258 rate->min = private->dai_config[dai->current_config].ssp.fsync_rate;
259 rate->max = private->dai_config[dai->current_config].ssp.fsync_rate;
260 channels->min = private->dai_config[dai->current_config].ssp.tdm_slots;
261 channels->max = private->dai_config[dai->current_config].ssp.tdm_slots;
262
263 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
264 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
265 channels->min, channels->max);
266
267 break;
268 case SOF_DAI_INTEL_DMIC:
269 /* DMIC only supports 16 or 32 bit formats */
270 if (private->comp_dai->config.frame_fmt == SOF_IPC_FRAME_S24_4LE) {
271 dev_err(component->dev, "Invalid fmt %d for DAI type %d\n",
272 private->comp_dai->config.frame_fmt,
273 private->dai_config->type);
274 }
275 break;
276 case SOF_DAI_INTEL_HDA:
277 /*
278 * HDAudio does not follow the default trigger
279 * sequence due to firmware implementation
280 */
281 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
282 struct snd_soc_pcm_runtime *fe = dpcm->fe;
283
284 fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
285 SND_SOC_DPCM_TRIGGER_POST;
286 }
287 break;
288 case SOF_DAI_INTEL_ALH:
289 /*
290 * Dai could run with different channel count compared with
291 * front end, so get dai channel count from topology
292 */
293 channels->min = private->dai_config->alh.channels;
294 channels->max = private->dai_config->alh.channels;
295 break;
296 case SOF_DAI_IMX_ESAI:
297 rate->min = private->dai_config->esai.fsync_rate;
298 rate->max = private->dai_config->esai.fsync_rate;
299 channels->min = private->dai_config->esai.tdm_slots;
300 channels->max = private->dai_config->esai.tdm_slots;
301
302 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
303 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
304 channels->min, channels->max);
305 break;
306 case SOF_DAI_MEDIATEK_AFE:
307 rate->min = private->dai_config->afe.rate;
308 rate->max = private->dai_config->afe.rate;
309 channels->min = private->dai_config->afe.channels;
310 channels->max = private->dai_config->afe.channels;
311
312 snd_mask_none(mask: fmt);
313
314 switch (private->dai_config->afe.format) {
315 case SOF_IPC_FRAME_S16_LE:
316 snd_mask_set_format(mask: fmt, SNDRV_PCM_FORMAT_S16_LE);
317 break;
318 case SOF_IPC_FRAME_S24_4LE:
319 snd_mask_set_format(mask: fmt, SNDRV_PCM_FORMAT_S24_LE);
320 break;
321 case SOF_IPC_FRAME_S32_LE:
322 snd_mask_set_format(mask: fmt, SNDRV_PCM_FORMAT_S32_LE);
323 break;
324 default:
325 dev_err(component->dev, "Not available format!\n");
326 return -EINVAL;
327 }
328
329 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
330 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
331 channels->min, channels->max);
332 break;
333 case SOF_DAI_IMX_SAI:
334 rate->min = private->dai_config->sai.fsync_rate;
335 rate->max = private->dai_config->sai.fsync_rate;
336 channels->min = private->dai_config->sai.tdm_slots;
337 channels->max = private->dai_config->sai.tdm_slots;
338
339 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
340 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
341 channels->min, channels->max);
342 break;
343 case SOF_DAI_AMD_BT:
344 rate->min = private->dai_config->acpbt.fsync_rate;
345 rate->max = private->dai_config->acpbt.fsync_rate;
346 channels->min = private->dai_config->acpbt.tdm_slots;
347 channels->max = private->dai_config->acpbt.tdm_slots;
348
349 dev_dbg(component->dev,
350 "AMD_BT rate_min: %d rate_max: %d\n", rate->min, rate->max);
351 dev_dbg(component->dev, "AMD_BT channels_min: %d channels_max: %d\n",
352 channels->min, channels->max);
353 break;
354 case SOF_DAI_AMD_SP:
355 case SOF_DAI_AMD_SP_VIRTUAL:
356 rate->min = private->dai_config->acpsp.fsync_rate;
357 rate->max = private->dai_config->acpsp.fsync_rate;
358 channels->min = private->dai_config->acpsp.tdm_slots;
359 channels->max = private->dai_config->acpsp.tdm_slots;
360
361 dev_dbg(component->dev,
362 "AMD_SP rate_min: %d rate_max: %d\n", rate->min, rate->max);
363 dev_dbg(component->dev, "AMD_SP channels_min: %d channels_max: %d\n",
364 channels->min, channels->max);
365 break;
366 case SOF_DAI_AMD_HS:
367 case SOF_DAI_AMD_HS_VIRTUAL:
368 rate->min = private->dai_config->acphs.fsync_rate;
369 rate->max = private->dai_config->acphs.fsync_rate;
370 channels->min = private->dai_config->acphs.tdm_slots;
371 channels->max = private->dai_config->acphs.tdm_slots;
372
373 dev_dbg(component->dev,
374 "AMD_HS channel_max: %d rate_max: %d\n", channels->max, rate->max);
375 break;
376 case SOF_DAI_AMD_DMIC:
377 rate->min = private->dai_config->acpdmic.pdm_rate;
378 rate->max = private->dai_config->acpdmic.pdm_rate;
379 channels->min = private->dai_config->acpdmic.pdm_ch;
380 channels->max = private->dai_config->acpdmic.pdm_ch;
381
382 dev_dbg(component->dev,
383 "AMD_DMIC rate_min: %d rate_max: %d\n", rate->min, rate->max);
384 dev_dbg(component->dev, "AMD_DMIC channels_min: %d channels_max: %d\n",
385 channels->min, channels->max);
386 break;
387 case SOF_DAI_IMX_MICFIL:
388 rate->min = private->dai_config->micfil.pdm_rate;
389 rate->max = private->dai_config->micfil.pdm_rate;
390 channels->min = private->dai_config->micfil.pdm_ch;
391 channels->max = private->dai_config->micfil.pdm_ch;
392
393 dev_dbg(component->dev,
394 "MICFIL PDM rate_min: %d rate_max: %d\n", rate->min, rate->max);
395 dev_dbg(component->dev, "MICFIL PDM channels_min: %d channels_max: %d\n",
396 channels->min, channels->max);
397 break;
398 case SOF_DAI_AMD_SDW:
399 /* change the default trigger sequence as per HW implementation */
400 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
401 struct snd_soc_pcm_runtime *fe = dpcm->fe;
402
403 fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
404 SND_SOC_DPCM_TRIGGER_POST;
405 }
406
407 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) {
408 struct snd_soc_pcm_runtime *fe = dpcm->fe;
409
410 fe->dai_link->trigger[SNDRV_PCM_STREAM_CAPTURE] =
411 SND_SOC_DPCM_TRIGGER_POST;
412 }
413 rate->min = private->dai_config->acp_sdw.rate;
414 rate->max = private->dai_config->acp_sdw.rate;
415 channels->min = private->dai_config->acp_sdw.channels;
416 channels->max = private->dai_config->acp_sdw.channels;
417
418 dev_dbg(component->dev,
419 "AMD_SDW rate_min: %d rate_max: %d\n", rate->min, rate->max);
420 dev_dbg(component->dev, "AMD_SDW channels_min: %d channels_max: %d\n",
421 channels->min, channels->max);
422 break;
423 default:
424 dev_err(component->dev, "Invalid DAI type %d\n", private->dai_config->type);
425 break;
426 }
427
428 return 0;
429}
430
431const struct sof_ipc_pcm_ops ipc3_pcm_ops = {
432 .hw_params = sof_ipc3_pcm_hw_params,
433 .hw_free = sof_ipc3_pcm_hw_free,
434 .trigger = sof_ipc3_pcm_trigger,
435 .dai_link_fixup = sof_ipc3_pcm_dai_link_fixup,
436 .reset_hw_params_during_stop = true,
437};
438

source code of linux/sound/soc/sof/ipc3-pcm.c