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