| /* 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 |