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- // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
- //
- // This file is provided under a dual BSD/GPLv2 license. When using or
- // redistributing this file, you may do so under either license.
- //
- // Copyright(c) 2021 Intel Corporation. All rights reserved.
- //
- //
- #include <sound/pcm_params.h>
- #include "ipc3-priv.h"
- #include "ops.h"
- #include "sof-priv.h"
- #include "sof-audio.h"
- static int sof_ipc3_pcm_hw_free(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct sof_ipc_stream stream;
- struct sof_ipc_reply reply;
- struct snd_sof_pcm *spcm;
- spcm = snd_sof_find_spcm_dai(component, rtd);
- if (!spcm)
- return -EINVAL;
- if (!spcm->prepared[substream->stream])
- return 0;
- stream.hdr.size = sizeof(stream);
- stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE;
- stream.comp_id = spcm->stream[substream->stream].comp_id;
- /* send IPC to the DSP */
- return sof_ipc_tx_message(sdev->ipc, &stream, sizeof(stream), &reply, sizeof(reply));
- }
- static int sof_ipc3_pcm_hw_params(struct snd_soc_component *component,
- struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_sof_platform_stream_params *platform_params)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct sof_ipc_fw_version *v = &sdev->fw_ready.version;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct sof_ipc_pcm_params_reply ipc_params_reply;
- struct sof_ipc_pcm_params pcm;
- struct snd_sof_pcm *spcm;
- int ret;
- spcm = snd_sof_find_spcm_dai(component, rtd);
- if (!spcm)
- return -EINVAL;
- memset(&pcm, 0, sizeof(pcm));
- /* number of pages should be rounded up */
- pcm.params.buffer.pages = PFN_UP(runtime->dma_bytes);
- /* set IPC PCM parameters */
- pcm.hdr.size = sizeof(pcm);
- pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
- pcm.comp_id = spcm->stream[substream->stream].comp_id;
- pcm.params.hdr.size = sizeof(pcm.params);
- pcm.params.buffer.phy_addr = spcm->stream[substream->stream].page_table.addr;
- pcm.params.buffer.size = runtime->dma_bytes;
- pcm.params.direction = substream->stream;
- pcm.params.sample_valid_bytes = params_width(params) >> 3;
- pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
- pcm.params.rate = params_rate(params);
- pcm.params.channels = params_channels(params);
- pcm.params.host_period_bytes = params_period_bytes(params);
- /* container size */
- ret = snd_pcm_format_physical_width(params_format(params));
- if (ret < 0)
- return ret;
- pcm.params.sample_container_bytes = ret >> 3;
- /* format */
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S16:
- pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
- break;
- case SNDRV_PCM_FORMAT_S24:
- pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
- break;
- case SNDRV_PCM_FORMAT_S32:
- pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
- break;
- case SNDRV_PCM_FORMAT_FLOAT:
- pcm.params.frame_fmt = SOF_IPC_FRAME_FLOAT;
- break;
- default:
- return -EINVAL;
- }
- /* Update the IPC message with information from the platform */
- pcm.params.stream_tag = platform_params->stream_tag;
- if (platform_params->use_phy_address)
- pcm.params.buffer.phy_addr = platform_params->phy_addr;
- if (platform_params->no_ipc_position) {
- /* For older ABIs set host_period_bytes to zero to inform
- * FW we don't want position updates. Newer versions use
- * no_stream_position for this purpose.
- */
- if (v->abi_version < SOF_ABI_VER(3, 10, 0))
- pcm.params.host_period_bytes = 0;
- else
- pcm.params.no_stream_position = 1;
- }
- if (platform_params->cont_update_posn)
- pcm.params.cont_update_posn = 1;
- dev_dbg(component->dev, "stream_tag %d", pcm.params.stream_tag);
- /* send hw_params IPC to the DSP */
- ret = sof_ipc_tx_message(sdev->ipc, &pcm, sizeof(pcm),
- &ipc_params_reply, sizeof(ipc_params_reply));
- if (ret < 0) {
- dev_err(component->dev, "HW params ipc failed for stream %d\n",
- pcm.params.stream_tag);
- return ret;
- }
- ret = snd_sof_set_stream_data_offset(sdev, substream, ipc_params_reply.posn_offset);
- if (ret < 0) {
- dev_err(component->dev, "%s: invalid stream data offset for PCM %d\n",
- __func__, spcm->pcm.pcm_id);
- return ret;
- }
- return ret;
- }
- static int sof_ipc3_pcm_trigger(struct snd_soc_component *component,
- struct snd_pcm_substream *substream, int cmd)
- {
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
- struct sof_ipc_stream stream;
- struct sof_ipc_reply reply;
- struct snd_sof_pcm *spcm;
- spcm = snd_sof_find_spcm_dai(component, rtd);
- if (!spcm)
- return -EINVAL;
- stream.hdr.size = sizeof(stream);
- stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG;
- stream.comp_id = spcm->stream[substream->stream].comp_id;
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE;
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE;
- break;
- case SNDRV_PCM_TRIGGER_START:
- stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START;
- break;
- case SNDRV_PCM_TRIGGER_SUSPEND:
- fallthrough;
- case SNDRV_PCM_TRIGGER_STOP:
- stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP;
- break;
- default:
- dev_err(component->dev, "Unhandled trigger cmd %d\n", cmd);
- return -EINVAL;
- }
- /* send IPC to the DSP */
- return sof_ipc_tx_message(sdev->ipc, &stream, sizeof(stream), &reply, sizeof(reply));
- }
- static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name,
- struct snd_pcm_hw_params *params)
- {
- struct sof_ipc_dai_config *config;
- struct snd_sof_dai *dai;
- int i;
- /*
- * Search for all matching DAIs as we can have both playback and capture DAI
- * associated with the same link.
- */
- list_for_each_entry(dai, &sdev->dai_list, list) {
- if (!dai->name || strcmp(link_name, dai->name))
- continue;
- for (i = 0; i < dai->number_configs; i++) {
- struct sof_dai_private_data *private = dai->private;
- config = &private->dai_config[i];
- if (config->ssp.fsync_rate == params_rate(params)) {
- dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i);
- dai->current_config = i;
- break;
- }
- }
- }
- }
- static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
- struct snd_pcm_hw_params *params)
- {
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
- struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
- struct snd_sof_dai *dai = snd_sof_find_dai(component, (char *)rtd->dai_link->name);
- struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
- struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
- struct sof_dai_private_data *private;
- struct snd_soc_dpcm *dpcm;
- if (!dai) {
- dev_err(component->dev, "%s: No DAI found with name %s\n", __func__,
- rtd->dai_link->name);
- return -EINVAL;
- }
- private = dai->private;
- if (!private) {
- dev_err(component->dev, "%s: No private data found for DAI %s\n", __func__,
- rtd->dai_link->name);
- return -EINVAL;
- }
- /* read format from topology */
- snd_mask_none(fmt);
- switch (private->comp_dai->config.frame_fmt) {
- case SOF_IPC_FRAME_S16_LE:
- snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
- break;
- case SOF_IPC_FRAME_S24_4LE:
- snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
- break;
- case SOF_IPC_FRAME_S32_LE:
- snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE);
- break;
- default:
- dev_err(component->dev, "No available DAI format!\n");
- return -EINVAL;
- }
- /* read rate and channels from topology */
- switch (private->dai_config->type) {
- case SOF_DAI_INTEL_SSP:
- /* search for config to pcm params match, if not found use default */
- ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params);
- rate->min = private->dai_config[dai->current_config].ssp.fsync_rate;
- rate->max = private->dai_config[dai->current_config].ssp.fsync_rate;
- channels->min = private->dai_config[dai->current_config].ssp.tdm_slots;
- channels->max = private->dai_config[dai->current_config].ssp.tdm_slots;
- dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
- dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
- channels->min, channels->max);
- break;
- case SOF_DAI_INTEL_DMIC:
- /* DMIC only supports 16 or 32 bit formats */
- if (private->comp_dai->config.frame_fmt == SOF_IPC_FRAME_S24_4LE) {
- dev_err(component->dev, "Invalid fmt %d for DAI type %d\n",
- private->comp_dai->config.frame_fmt,
- private->dai_config->type);
- }
- break;
- case SOF_DAI_INTEL_HDA:
- /*
- * HDAudio does not follow the default trigger
- * sequence due to firmware implementation
- */
- for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
- struct snd_soc_pcm_runtime *fe = dpcm->fe;
- fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
- SND_SOC_DPCM_TRIGGER_POST;
- }
- break;
- case SOF_DAI_INTEL_ALH:
- /*
- * Dai could run with different channel count compared with
- * front end, so get dai channel count from topology
- */
- channels->min = private->dai_config->alh.channels;
- channels->max = private->dai_config->alh.channels;
- break;
- case SOF_DAI_IMX_ESAI:
- rate->min = private->dai_config->esai.fsync_rate;
- rate->max = private->dai_config->esai.fsync_rate;
- channels->min = private->dai_config->esai.tdm_slots;
- channels->max = private->dai_config->esai.tdm_slots;
- dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
- dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
- channels->min, channels->max);
- break;
- case SOF_DAI_MEDIATEK_AFE:
- rate->min = private->dai_config->afe.rate;
- rate->max = private->dai_config->afe.rate;
- channels->min = private->dai_config->afe.channels;
- channels->max = private->dai_config->afe.channels;
- dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
- dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
- channels->min, channels->max);
- break;
- case SOF_DAI_IMX_SAI:
- rate->min = private->dai_config->sai.fsync_rate;
- rate->max = private->dai_config->sai.fsync_rate;
- channels->min = private->dai_config->sai.tdm_slots;
- channels->max = private->dai_config->sai.tdm_slots;
- dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
- dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
- channels->min, channels->max);
- break;
- case SOF_DAI_AMD_BT:
- rate->min = private->dai_config->acpbt.fsync_rate;
- rate->max = private->dai_config->acpbt.fsync_rate;
- channels->min = private->dai_config->acpbt.tdm_slots;
- channels->max = private->dai_config->acpbt.tdm_slots;
- dev_dbg(component->dev,
- "AMD_BT rate_min: %d rate_max: %d\n", rate->min, rate->max);
- dev_dbg(component->dev, "AMD_BT channels_min: %d channels_max: %d\n",
- channels->min, channels->max);
- break;
- case SOF_DAI_AMD_SP:
- rate->min = private->dai_config->acpsp.fsync_rate;
- rate->max = private->dai_config->acpsp.fsync_rate;
- channels->min = private->dai_config->acpsp.tdm_slots;
- channels->max = private->dai_config->acpsp.tdm_slots;
- dev_dbg(component->dev,
- "AMD_SP rate_min: %d rate_max: %d\n", rate->min, rate->max);
- dev_dbg(component->dev, "AMD_SP channels_min: %d channels_max: %d\n",
- channels->min, channels->max);
- break;
- case SOF_DAI_AMD_HS:
- rate->min = private->dai_config->acphs.fsync_rate;
- rate->max = private->dai_config->acphs.fsync_rate;
- channels->min = private->dai_config->acphs.tdm_slots;
- channels->max = private->dai_config->acphs.tdm_slots;
- dev_dbg(component->dev,
- "AMD_HS channel_max: %d rate_max: %d\n", channels->max, rate->max);
- break;
- case SOF_DAI_AMD_DMIC:
- rate->min = private->dai_config->acpdmic.pdm_rate;
- rate->max = private->dai_config->acpdmic.pdm_rate;
- channels->min = private->dai_config->acpdmic.pdm_ch;
- channels->max = private->dai_config->acpdmic.pdm_ch;
- dev_dbg(component->dev,
- "AMD_DMIC rate_min: %d rate_max: %d\n", rate->min, rate->max);
- dev_dbg(component->dev, "AMD_DMIC channels_min: %d channels_max: %d\n",
- channels->min, channels->max);
- break;
- default:
- dev_err(component->dev, "Invalid DAI type %d\n", private->dai_config->type);
- break;
- }
- return 0;
- }
- const struct sof_ipc_pcm_ops ipc3_pcm_ops = {
- .hw_params = sof_ipc3_pcm_hw_params,
- .hw_free = sof_ipc3_pcm_hw_free,
- .trigger = sof_ipc3_pcm_trigger,
- .dai_link_fixup = sof_ipc3_pcm_dai_link_fixup,
- };
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