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OpenCloudOS-Kernel/sound/soc/sof/ipc3-pcm.c

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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-ops.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;
}
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_DMIC:
rate->min = private->dai_config->acpdmic.fsync_rate;
rate->max = private->dai_config->acpdmic.fsync_rate;
channels->min = private->dai_config->acpdmic.tdm_slots;
channels->max = private->dai_config->acpdmic.tdm_slots;
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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