linux/sound/soc/sof/amd/acp-pcm.c

// 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 Advanced Micro Devices, Inc.
//
// Authors: Ajit Kumar Pandey <[email protected]>

/*
 * PCM interface for generic AMD audio ACP DSP block
 */
#include <sound/pcm_params.h>

#include "../ops.h"
#include "acp.h"
#include "acp-dsp-offset.h"

int acp_pcm_hw_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
		      struct snd_pcm_hw_params *params,
		      struct snd_sof_platform_stream_params *platform_params)
{ … }
EXPORT_SYMBOL_NS(…);

int acp_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream)
{ … }
EXPORT_SYMBOL_NS(…);

int acp_pcm_close(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream)
{ … }
EXPORT_SYMBOL_NS(…);

snd_pcm_uframes_t acp_pcm_pointer(struct snd_sof_dev *sdev,
				  struct snd_pcm_substream *substream)
{ … }
EXPORT_SYMBOL_NS(…);