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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.hdr.cmd, &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.hdr.cmd, &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.hdr.cmd, &stream,
sizeof(stream), &reply, sizeof(reply));
}
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,
};
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