sound/soc/sof/ipc3-pcm.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. 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
  16 static 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
  40 static 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         if (platform_params->cont_update_posn)
 119                 pcm.params.cont_update_posn = 1;
 120
 121         dev_dbg(component->dev, "stream_tag %d", 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                 dev_err(component->dev, "HW params ipc failed for stream %d\n",
 128                         pcm.params.stream_tag);
 129                 return ret;
 130         }
 131
 132         ret = snd_sof_set_stream_data_offset(sdev, &spcm->stream[substream->stream],
 133                                              ipc_params_reply.posn_offset);
 134         if (ret < 0) {
 135                 dev_err(component->dev, "%s: invalid stream data offset for PCM %d\n",
 136                         __func__, spcm->pcm.pcm_id);
 137                 return ret;
 138         }
 139
 140         return ret;
 141 }
 142
 143 static 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 = asoc_substream_to_rtd(substream);
 147         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
 148         struct sof_ipc_stream stream;
 149         struct sof_ipc_reply reply;
 150         struct snd_sof_pcm *spcm;
 151
 152         spcm = snd_sof_find_spcm_dai(component, rtd);
 153         if (!spcm)
 154                 return -EINVAL;
 155
 156         stream.hdr.size = sizeof(stream);
 157         stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG;
 158         stream.comp_id = spcm->stream[substream->stream].comp_id;
 159
 160         switch (cmd) {
 161         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 162                 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE;
 163                 break;
 164         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 165                 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE;
 166                 break;
 167         case SNDRV_PCM_TRIGGER_START:
 168                 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START;
 169                 break;
 170         case SNDRV_PCM_TRIGGER_SUSPEND:
 171                 fallthrough;
 172         case SNDRV_PCM_TRIGGER_STOP:
 173                 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP;
 174                 break;
 175         default:
 176                 dev_err(component->dev, "Unhandled trigger cmd %d\n", cmd);
 177                 return -EINVAL;
 178         }
 179
 180         /* send IPC to the DSP */
 181         return sof_ipc_tx_message(sdev->ipc, &stream, sizeof(stream), &reply, sizeof(reply));
 182 }
 183
 184 static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name,
 185                                             struct snd_pcm_hw_params *params)
 186 {
 187         struct sof_ipc_dai_config *config;
 188         struct snd_sof_dai *dai;
 189         int i;
 190
 191         /*
 192          * Search for all matching DAIs as we can have both playback and capture DAI
 193          * associated with the same link.
 194          */
 195         list_for_each_entry(dai, &sdev->dai_list, list) {
 196                 if (!dai->name || strcmp(link_name, dai->name))
 197                         continue;
 198                 for (i = 0; i < dai->number_configs; i++) {
 199                         struct sof_dai_private_data *private = dai->private;
 200
 201                         config = &private->dai_config[i];
 202                         if (config->ssp.fsync_rate == params_rate(params)) {
 203                                 dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i);
 204                                 dai->current_config = i;
 205                                 break;
 206                         }
 207                 }
 208         }
 209 }
 210
 211 static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
 212                                        struct snd_pcm_hw_params *params)
 213 {
 214         struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
 215         struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
 216         struct snd_sof_dai *dai = snd_sof_find_dai(component, (char *)rtd->dai_link->name);
 217         struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
 218         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 219         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
 220         struct sof_dai_private_data *private;
 221         struct snd_soc_dpcm *dpcm;
 222
 223         if (!dai) {
 224                 dev_err(component->dev, "%s: No DAI found with name %s\n", __func__,
 225                         rtd->dai_link->name);
 226                 return -EINVAL;
 227         }
 228
 229         private = dai->private;
 230         if (!private) {
 231                 dev_err(component->dev, "%s: No private data found for DAI %s\n", __func__,
 232                         rtd->dai_link->name);
 233                 return -EINVAL;
 234         }
 235
 236         /* read format from topology */
 237         snd_mask_none(fmt);
 238
 239         switch (private->comp_dai->config.frame_fmt) {
 240         case SOF_IPC_FRAME_S16_LE:
 241                 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
 242                 break;
 243         case SOF_IPC_FRAME_S24_4LE:
 244                 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
 245                 break;
 246         case SOF_IPC_FRAME_S32_LE:
 247                 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE);
 248                 break;
 249         default:
 250                 dev_err(component->dev, "No available DAI format!\n");
 251                 return -EINVAL;
 252         }
 253
 254         /* read rate and channels from topology */
 255         switch (private->dai_config->type) {
 256         case SOF_DAI_INTEL_SSP:
 257                 /* search for config to pcm params match, if not found use default */
 258                 ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params);
 259
 260                 rate->min = private->dai_config[dai->current_config].ssp.fsync_rate;
 261                 rate->max = private->dai_config[dai->current_config].ssp.fsync_rate;
 262                 channels->min = private->dai_config[dai->current_config].ssp.tdm_slots;
 263                 channels->max = private->dai_config[dai->current_config].ssp.tdm_slots;
 264
 265                 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
 266                 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
 267                         channels->min, channels->max);
 268
 269                 break;
 270         case SOF_DAI_INTEL_DMIC:
 271                 /* DMIC only supports 16 or 32 bit formats */
 272                 if (private->comp_dai->config.frame_fmt == SOF_IPC_FRAME_S24_4LE) {
 273                         dev_err(component->dev, "Invalid fmt %d for DAI type %d\n",
 274                                 private->comp_dai->config.frame_fmt,
 275                                 private->dai_config->type);
 276                 }
 277                 break;
 278         case SOF_DAI_INTEL_HDA:
 279                 /*
 280                  * HDAudio does not follow the default trigger
 281                  * sequence due to firmware implementation
 282                  */
 283                 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
 284                         struct snd_soc_pcm_runtime *fe = dpcm->fe;
 285
 286                         fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
 287                                 SND_SOC_DPCM_TRIGGER_POST;
 288                 }
 289                 break;
 290         case SOF_DAI_INTEL_ALH:
 291                 /*
 292                  * Dai could run with different channel count compared with
 293                  * front end, so get dai channel count from topology
 294                  */
 295                 channels->min = private->dai_config->alh.channels;
 296                 channels->max = private->dai_config->alh.channels;
 297                 break;
 298         case SOF_DAI_IMX_ESAI:
 299                 rate->min = private->dai_config->esai.fsync_rate;
 300                 rate->max = private->dai_config->esai.fsync_rate;
 301                 channels->min = private->dai_config->esai.tdm_slots;
 302                 channels->max = private->dai_config->esai.tdm_slots;
 303
 304                 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
 305                 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
 306                         channels->min, channels->max);
 307                 break;
 308         case SOF_DAI_MEDIATEK_AFE:
 309                 rate->min = private->dai_config->afe.rate;
 310                 rate->max = private->dai_config->afe.rate;
 311                 channels->min = private->dai_config->afe.channels;
 312                 channels->max = private->dai_config->afe.channels;
 313
 314                 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
 315                 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
 316                         channels->min, channels->max);
 317                 break;
 318         case SOF_DAI_IMX_SAI:
 319                 rate->min = private->dai_config->sai.fsync_rate;
 320                 rate->max = private->dai_config->sai.fsync_rate;
 321                 channels->min = private->dai_config->sai.tdm_slots;
 322                 channels->max = private->dai_config->sai.tdm_slots;
 323
 324                 dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
 325                 dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
 326                         channels->min, channels->max);
 327                 break;
 328         case SOF_DAI_AMD_BT:
 329                 rate->min = private->dai_config->acpbt.fsync_rate;
 330                 rate->max = private->dai_config->acpbt.fsync_rate;
 331                 channels->min = private->dai_config->acpbt.tdm_slots;
 332                 channels->max = private->dai_config->acpbt.tdm_slots;
 333
 334                 dev_dbg(component->dev,
 335                         "AMD_BT rate_min: %d rate_max: %d\n", rate->min, rate->max);
 336                 dev_dbg(component->dev, "AMD_BT channels_min: %d channels_max: %d\n",
 337                         channels->min, channels->max);
 338                 break;
 339         case SOF_DAI_AMD_SP:
 340         case SOF_DAI_AMD_SP_VIRTUAL:
 341                 rate->min = private->dai_config->acpsp.fsync_rate;
 342                 rate->max = private->dai_config->acpsp.fsync_rate;
 343                 channels->min = private->dai_config->acpsp.tdm_slots;
 344                 channels->max = private->dai_config->acpsp.tdm_slots;
 345
 346                 dev_dbg(component->dev,
 347                         "AMD_SP rate_min: %d rate_max: %d\n", rate->min, rate->max);
 348                 dev_dbg(component->dev, "AMD_SP channels_min: %d channels_max: %d\n",
 349                         channels->min, channels->max);
 350                 break;
 351         case SOF_DAI_AMD_HS:
 352         case SOF_DAI_AMD_HS_VIRTUAL:
 353                 rate->min = private->dai_config->acphs.fsync_rate;
 354                 rate->max = private->dai_config->acphs.fsync_rate;
 355                 channels->min = private->dai_config->acphs.tdm_slots;
 356                 channels->max = private->dai_config->acphs.tdm_slots;
 357
 358                 dev_dbg(component->dev,
 359                         "AMD_HS channel_max: %d rate_max: %d\n", channels->max, rate->max);
 360                 break;
 361         case SOF_DAI_AMD_DMIC:
 362                 rate->min = private->dai_config->acpdmic.pdm_rate;
 363                 rate->max = private->dai_config->acpdmic.pdm_rate;
 364                 channels->min = private->dai_config->acpdmic.pdm_ch;
 365                 channels->max = private->dai_config->acpdmic.pdm_ch;
 366
 367                 dev_dbg(component->dev,
 368                         "AMD_DMIC rate_min: %d rate_max: %d\n", rate->min, rate->max);
 369                 dev_dbg(component->dev, "AMD_DMIC channels_min: %d channels_max: %d\n",
 370                         channels->min, channels->max);
 371                 break;
 372         default:
 373                 dev_err(component->dev, "Invalid DAI type %d\n", private->dai_config->type);
 374                 break;
 375         }
 376
 377         return 0;
 378 }
 379
 380 const struct sof_ipc_pcm_ops ipc3_pcm_ops = {
 381         .hw_params = sof_ipc3_pcm_hw_params,
 382         .hw_free = sof_ipc3_pcm_hw_free,
 383         .trigger = sof_ipc3_pcm_trigger,
 384         .dai_link_fixup = sof_ipc3_pcm_dai_link_fixup,
 385 };