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(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	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(sdev->ipc, &pcm, sizeof(pcm),
124				 &ipc_params_reply, 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, &spcm->stream[substream->stream],
132					     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(component);
147	struct sof_ipc_stream stream;
148	struct snd_sof_pcm *spcm;
149
150	spcm = snd_sof_find_spcm_dai(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(sdev->ipc, &stream, 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(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(component, (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(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(fmt);
236
237	switch (private->comp_dai->config.frame_fmt) {
238	case SOF_IPC_FRAME_S16_LE:
239		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
240		break;
241	case SOF_IPC_FRAME_S24_4LE:
242		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
243		break;
244	case SOF_IPC_FRAME_S32_LE:
245		snd_mask_set_format(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, (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(fmt);
313
314		switch (private->dai_config->afe.format) {
315		case SOF_IPC_FRAME_S16_LE:
316			snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
317			break;
318		case SOF_IPC_FRAME_S24_4LE:
319			snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
320			break;
321		case SOF_IPC_FRAME_S32_LE:
322			snd_mask_set_format(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