ipc3-pcm.c (12274B)
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 = asoc_substream_to_rtd(substream); 21 struct sof_ipc_stream stream; 22 struct sof_ipc_reply reply; 23 struct snd_sof_pcm *spcm; 24 25 spcm = snd_sof_find_spcm_dai(component, rtd); 26 if (!spcm) 27 return -EINVAL; 28 29 if (!spcm->prepared[substream->stream]) 30 return 0; 31 32 stream.hdr.size = sizeof(stream); 33 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE; 34 stream.comp_id = spcm->stream[substream->stream].comp_id; 35 36 /* send IPC to the DSP */ 37 return sof_ipc_tx_message(sdev->ipc, &stream, sizeof(stream), &reply, sizeof(reply)); 38} 39 40static int sof_ipc3_pcm_hw_params(struct snd_soc_component *component, 41 struct snd_pcm_substream *substream, 42 struct snd_pcm_hw_params *params, 43 struct snd_sof_platform_stream_params *platform_params) 44{ 45 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 46 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 47 struct sof_ipc_fw_version *v = &sdev->fw_ready.version; 48 struct snd_pcm_runtime *runtime = substream->runtime; 49 struct sof_ipc_pcm_params_reply ipc_params_reply; 50 struct sof_ipc_pcm_params pcm; 51 struct snd_sof_pcm *spcm; 52 int ret; 53 54 spcm = snd_sof_find_spcm_dai(component, rtd); 55 if (!spcm) 56 return -EINVAL; 57 58 memset(&pcm, 0, sizeof(pcm)); 59 60 /* number of pages should be rounded up */ 61 pcm.params.buffer.pages = PFN_UP(runtime->dma_bytes); 62 63 /* set IPC PCM parameters */ 64 pcm.hdr.size = sizeof(pcm); 65 pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS; 66 pcm.comp_id = spcm->stream[substream->stream].comp_id; 67 pcm.params.hdr.size = sizeof(pcm.params); 68 pcm.params.buffer.phy_addr = spcm->stream[substream->stream].page_table.addr; 69 pcm.params.buffer.size = runtime->dma_bytes; 70 pcm.params.direction = substream->stream; 71 pcm.params.sample_valid_bytes = params_width(params) >> 3; 72 pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED; 73 pcm.params.rate = params_rate(params); 74 pcm.params.channels = params_channels(params); 75 pcm.params.host_period_bytes = params_period_bytes(params); 76 77 /* container size */ 78 ret = snd_pcm_format_physical_width(params_format(params)); 79 if (ret < 0) 80 return ret; 81 pcm.params.sample_container_bytes = ret >> 3; 82 83 /* format */ 84 switch (params_format(params)) { 85 case SNDRV_PCM_FORMAT_S16: 86 pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE; 87 break; 88 case SNDRV_PCM_FORMAT_S24: 89 pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE; 90 break; 91 case SNDRV_PCM_FORMAT_S32: 92 pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE; 93 break; 94 case SNDRV_PCM_FORMAT_FLOAT: 95 pcm.params.frame_fmt = SOF_IPC_FRAME_FLOAT; 96 break; 97 default: 98 return -EINVAL; 99 } 100 101 /* Update the IPC message with information from the platform */ 102 pcm.params.stream_tag = platform_params->stream_tag; 103 104 if (platform_params->use_phy_address) 105 pcm.params.buffer.phy_addr = platform_params->phy_addr; 106 107 if (platform_params->no_ipc_position) { 108 /* For older ABIs set host_period_bytes to zero to inform 109 * FW we don't want position updates. Newer versions use 110 * no_stream_position for this purpose. 111 */ 112 if (v->abi_version < SOF_ABI_VER(3, 10, 0)) 113 pcm.params.host_period_bytes = 0; 114 else 115 pcm.params.no_stream_position = 1; 116 } 117 118 dev_dbg(component->dev, "stream_tag %d", pcm.params.stream_tag); 119 120 /* send hw_params IPC to the DSP */ 121 ret = sof_ipc_tx_message(sdev->ipc, &pcm, sizeof(pcm), 122 &ipc_params_reply, sizeof(ipc_params_reply)); 123 if (ret < 0) { 124 dev_err(component->dev, "HW params ipc failed for stream %d\n", 125 pcm.params.stream_tag); 126 return ret; 127 } 128 129 ret = snd_sof_set_stream_data_offset(sdev, substream, ipc_params_reply.posn_offset); 130 if (ret < 0) { 131 dev_err(component->dev, "%s: invalid stream data offset for PCM %d\n", 132 __func__, spcm->pcm.pcm_id); 133 return ret; 134 } 135 136 return ret; 137} 138 139static int sof_ipc3_pcm_trigger(struct snd_soc_component *component, 140 struct snd_pcm_substream *substream, int cmd) 141{ 142 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 143 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 144 struct sof_ipc_stream stream; 145 struct sof_ipc_reply reply; 146 struct snd_sof_pcm *spcm; 147 148 spcm = snd_sof_find_spcm_dai(component, rtd); 149 if (!spcm) 150 return -EINVAL; 151 152 stream.hdr.size = sizeof(stream); 153 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG; 154 stream.comp_id = spcm->stream[substream->stream].comp_id; 155 156 switch (cmd) { 157 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 158 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE; 159 break; 160 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 161 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE; 162 break; 163 case SNDRV_PCM_TRIGGER_START: 164 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START; 165 break; 166 case SNDRV_PCM_TRIGGER_SUSPEND: 167 fallthrough; 168 case SNDRV_PCM_TRIGGER_STOP: 169 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP; 170 break; 171 default: 172 dev_err(component->dev, "Unhandled trigger cmd %d\n", cmd); 173 return -EINVAL; 174 } 175 176 /* send IPC to the DSP */ 177 return sof_ipc_tx_message(sdev->ipc, &stream, sizeof(stream), &reply, sizeof(reply)); 178} 179 180static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name, 181 struct snd_pcm_hw_params *params) 182{ 183 struct sof_ipc_dai_config *config; 184 struct snd_sof_dai *dai; 185 int i; 186 187 /* 188 * Search for all matching DAIs as we can have both playback and capture DAI 189 * associated with the same link. 190 */ 191 list_for_each_entry(dai, &sdev->dai_list, list) { 192 if (!dai->name || strcmp(link_name, dai->name)) 193 continue; 194 for (i = 0; i < dai->number_configs; i++) { 195 struct sof_dai_private_data *private = dai->private; 196 197 config = &private->dai_config[i]; 198 if (config->ssp.fsync_rate == params_rate(params)) { 199 dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i); 200 dai->current_config = i; 201 break; 202 } 203 } 204 } 205} 206 207static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, 208 struct snd_pcm_hw_params *params) 209{ 210 struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME); 211 struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); 212 struct snd_sof_dai *dai = snd_sof_find_dai(component, (char *)rtd->dai_link->name); 213 struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); 214 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 215 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 216 struct sof_dai_private_data *private; 217 struct snd_soc_dpcm *dpcm; 218 219 if (!dai) { 220 dev_err(component->dev, "%s: No DAI found with name %s\n", __func__, 221 rtd->dai_link->name); 222 return -EINVAL; 223 } 224 225 private = dai->private; 226 if (!private) { 227 dev_err(component->dev, "%s: No private data found for DAI %s\n", __func__, 228 rtd->dai_link->name); 229 return -EINVAL; 230 } 231 232 /* read format from topology */ 233 snd_mask_none(fmt); 234 235 switch (private->comp_dai->config.frame_fmt) { 236 case SOF_IPC_FRAME_S16_LE: 237 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); 238 break; 239 case SOF_IPC_FRAME_S24_4LE: 240 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 241 break; 242 case SOF_IPC_FRAME_S32_LE: 243 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE); 244 break; 245 default: 246 dev_err(component->dev, "No available DAI format!\n"); 247 return -EINVAL; 248 } 249 250 /* read rate and channels from topology */ 251 switch (private->dai_config->type) { 252 case SOF_DAI_INTEL_SSP: 253 /* search for config to pcm params match, if not found use default */ 254 ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params); 255 256 rate->min = private->dai_config[dai->current_config].ssp.fsync_rate; 257 rate->max = private->dai_config[dai->current_config].ssp.fsync_rate; 258 channels->min = private->dai_config[dai->current_config].ssp.tdm_slots; 259 channels->max = private->dai_config[dai->current_config].ssp.tdm_slots; 260 261 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max); 262 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n", 263 channels->min, channels->max); 264 265 break; 266 case SOF_DAI_INTEL_DMIC: 267 /* DMIC only supports 16 or 32 bit formats */ 268 if (private->comp_dai->config.frame_fmt == SOF_IPC_FRAME_S24_4LE) { 269 dev_err(component->dev, "Invalid fmt %d for DAI type %d\n", 270 private->comp_dai->config.frame_fmt, 271 private->dai_config->type); 272 } 273 break; 274 case SOF_DAI_INTEL_HDA: 275 /* 276 * HDAudio does not follow the default trigger 277 * sequence due to firmware implementation 278 */ 279 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) { 280 struct snd_soc_pcm_runtime *fe = dpcm->fe; 281 282 fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] = 283 SND_SOC_DPCM_TRIGGER_POST; 284 } 285 break; 286 case SOF_DAI_INTEL_ALH: 287 /* 288 * Dai could run with different channel count compared with 289 * front end, so get dai channel count from topology 290 */ 291 channels->min = private->dai_config->alh.channels; 292 channels->max = private->dai_config->alh.channels; 293 break; 294 case SOF_DAI_IMX_ESAI: 295 rate->min = private->dai_config->esai.fsync_rate; 296 rate->max = private->dai_config->esai.fsync_rate; 297 channels->min = private->dai_config->esai.tdm_slots; 298 channels->max = private->dai_config->esai.tdm_slots; 299 300 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max); 301 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n", 302 channels->min, channels->max); 303 break; 304 case SOF_DAI_MEDIATEK_AFE: 305 rate->min = private->dai_config->afe.rate; 306 rate->max = private->dai_config->afe.rate; 307 channels->min = private->dai_config->afe.channels; 308 channels->max = private->dai_config->afe.channels; 309 310 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max); 311 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n", 312 channels->min, channels->max); 313 break; 314 case SOF_DAI_IMX_SAI: 315 rate->min = private->dai_config->sai.fsync_rate; 316 rate->max = private->dai_config->sai.fsync_rate; 317 channels->min = private->dai_config->sai.tdm_slots; 318 channels->max = private->dai_config->sai.tdm_slots; 319 320 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max); 321 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n", 322 channels->min, channels->max); 323 break; 324 case SOF_DAI_AMD_BT: 325 rate->min = private->dai_config->acpbt.fsync_rate; 326 rate->max = private->dai_config->acpbt.fsync_rate; 327 channels->min = private->dai_config->acpbt.tdm_slots; 328 channels->max = private->dai_config->acpbt.tdm_slots; 329 330 dev_dbg(component->dev, 331 "AMD_BT rate_min: %d rate_max: %d\n", rate->min, rate->max); 332 dev_dbg(component->dev, "AMD_BT channels_min: %d channels_max: %d\n", 333 channels->min, channels->max); 334 break; 335 case SOF_DAI_AMD_SP: 336 rate->min = private->dai_config->acpsp.fsync_rate; 337 rate->max = private->dai_config->acpsp.fsync_rate; 338 channels->min = private->dai_config->acpsp.tdm_slots; 339 channels->max = private->dai_config->acpsp.tdm_slots; 340 341 dev_dbg(component->dev, 342 "AMD_SP rate_min: %d rate_max: %d\n", rate->min, rate->max); 343 dev_dbg(component->dev, "AMD_SP channels_min: %d channels_max: %d\n", 344 channels->min, channels->max); 345 break; 346 case SOF_DAI_AMD_DMIC: 347 rate->min = private->dai_config->acpdmic.fsync_rate; 348 rate->max = private->dai_config->acpdmic.fsync_rate; 349 channels->min = private->dai_config->acpdmic.tdm_slots; 350 channels->max = private->dai_config->acpdmic.tdm_slots; 351 352 dev_dbg(component->dev, 353 "AMD_DMIC rate_min: %d rate_max: %d\n", rate->min, rate->max); 354 dev_dbg(component->dev, "AMD_DMIC channels_min: %d channels_max: %d\n", 355 channels->min, channels->max); 356 break; 357 default: 358 dev_err(component->dev, "Invalid DAI type %d\n", private->dai_config->type); 359 break; 360 } 361 362 return 0; 363} 364 365const struct sof_ipc_pcm_ops ipc3_pcm_ops = { 366 .hw_params = sof_ipc3_pcm_hw_params, 367 .hw_free = sof_ipc3_pcm_hw_free, 368 .trigger = sof_ipc3_pcm_trigger, 369 .dai_link_fixup = sof_ipc3_pcm_dai_link_fixup, 370};