42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* tegra_pcm.h - Definitions for Tegra PCM driver
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*
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* Author: Stephen Warren <swarren@nvidia.com>
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* Copyright (C) 2010,2012 - NVIDIA, Inc.
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*
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* Based on code copyright/by:
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*
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* Copyright (c) 2009-2010, NVIDIA Corporation.
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* Scott Peterson <speterson@nvidia.com>
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*
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* Copyright (C) 2010 Google, Inc.
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* Iliyan Malchev <malchev@google.com>
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*/
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#ifndef __TEGRA_PCM_H__
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#define __TEGRA_PCM_H__
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#include <sound/dmaengine_pcm.h>
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#include <sound/asound.h>
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int tegra_pcm_construct(struct snd_soc_component *component,
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struct snd_soc_pcm_runtime *rtd);
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int tegra_pcm_open(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int tegra_pcm_close(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int tegra_pcm_hw_params(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params);
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snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int tegra_pcm_platform_register(struct device *dev);
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int devm_tegra_pcm_platform_register(struct device *dev);
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int tegra_pcm_platform_register_with_chan_names(struct device *dev,
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struct snd_dmaengine_pcm_config *config,
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char *txdmachan, char *rxdmachan);
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void tegra_pcm_platform_unregister(struct device *dev);
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#endif
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