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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * tegra_pcm.h - Definitions for Tegra PCM driver4 *5 * Author: Stephen Warren <swarren@nvidia.com>6 * Copyright (C) 2010,2012 - NVIDIA, Inc.7 *8 * Based on code copyright/by:9 *10 * Copyright (c) 2009-2010, NVIDIA Corporation.11 * Scott Peterson <speterson@nvidia.com>12 *13 * Copyright (C) 2010 Google, Inc.14 * Iliyan Malchev <malchev@google.com>15 */16 17#ifndef __TEGRA_PCM_H__18#define __TEGRA_PCM_H__19 20#include <sound/dmaengine_pcm.h>21#include <sound/asound.h>22 23int tegra_pcm_construct(struct snd_soc_component *component,24 struct snd_soc_pcm_runtime *rtd);25int tegra_pcm_open(struct snd_soc_component *component,26 struct snd_pcm_substream *substream);27int tegra_pcm_close(struct snd_soc_component *component,28 struct snd_pcm_substream *substream);29int tegra_pcm_hw_params(struct snd_soc_component *component,30 struct snd_pcm_substream *substream,31 struct snd_pcm_hw_params *params);32snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component,33 struct snd_pcm_substream *substream);34int tegra_pcm_platform_register(struct device *dev);35int devm_tegra_pcm_platform_register(struct device *dev);36int tegra_pcm_platform_register_with_chan_names(struct device *dev,37 struct snd_dmaengine_pcm_config *config,38 char *txdmachan, char *rxdmachan);39void tegra_pcm_platform_unregister(struct device *dev);40 41#endif42