linux/sound/soc/tegra/tegra_pcm.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * tegra_pcm.c - Tegra PCM driver
 *
 * Author: Stephen Warren <[email protected]>
 * Copyright (C) 2010,2012 - NVIDIA, Inc.
 *
 * Based on code copyright/by:
 *
 * Copyright (c) 2009-2010, NVIDIA Corporation.
 * Scott Peterson <[email protected]>
 * Vijay Mali <[email protected]>
 *
 * Copyright (C) 2010 Google, Inc.
 * Iliyan Malchev <[email protected]>
 */

#include <linux/module.h>
#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
#include "tegra_pcm.h"

static const struct snd_pcm_hardware tegra_pcm_hardware = …;

static const struct snd_dmaengine_pcm_config tegra_dmaengine_pcm_config = …;

int tegra_pcm_platform_register(struct device *dev)
{ … }
EXPORT_SYMBOL_GPL(…);

int devm_tegra_pcm_platform_register(struct device *dev)
{ … }
EXPORT_SYMBOL_GPL(…);

int tegra_pcm_platform_register_with_chan_names(struct device *dev,
				struct snd_dmaengine_pcm_config *config,
				char *txdmachan, char *rxdmachan)
{ … }
EXPORT_SYMBOL_GPL(…);

void tegra_pcm_platform_unregister(struct device *dev)
{ … }
EXPORT_SYMBOL_GPL(…);

int tegra_pcm_open(struct snd_soc_component *component,
		   struct snd_pcm_substream *substream)
{ … }
EXPORT_SYMBOL_GPL(…);

int tegra_pcm_close(struct snd_soc_component *component,
		    struct snd_pcm_substream *substream)
{ … }
EXPORT_SYMBOL_GPL(…);

int tegra_pcm_hw_params(struct snd_soc_component *component,
			struct snd_pcm_substream *substream,
			struct snd_pcm_hw_params *params)
{ … }
EXPORT_SYMBOL_GPL(…);

snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component,
				    struct snd_pcm_substream *substream)
{ … }
EXPORT_SYMBOL_GPL(…);

static int tegra_pcm_dma_allocate(struct device *dev, struct snd_soc_pcm_runtime *rtd,
				  size_t size)
{ … }

int tegra_pcm_construct(struct snd_soc_component *component,
			struct snd_soc_pcm_runtime *rtd)
{ … }
EXPORT_SYMBOL_GPL(…);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;