sound/soc/tegra/tegra_pcm.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * tegra_pcm.h - Definitions for Tegra PCM driver
   4  *
   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
  23 int tegra_pcm_construct(struct snd_soc_component *component,
  24                         struct snd_soc_pcm_runtime *rtd);
  25 int tegra_pcm_open(struct snd_soc_component *component,
  26                    struct snd_pcm_substream *substream);
  27 int tegra_pcm_close(struct snd_soc_component *component,
  28                     struct snd_pcm_substream *substream);
  29 int tegra_pcm_hw_params(struct snd_soc_component *component,
  30                         struct snd_pcm_substream *substream,
  31                         struct snd_pcm_hw_params *params);
  32 snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component,
  33                                     struct snd_pcm_substream *substream);
  34 int tegra_pcm_platform_register(struct device *dev);
  35 int devm_tegra_pcm_platform_register(struct device *dev);
  36 int tegra_pcm_platform_register_with_chan_names(struct device *dev,
  37                                 struct snd_dmaengine_pcm_config *config,
  38                                 char *txdmachan, char *rxdmachan);
  39 void tegra_pcm_platform_unregister(struct device *dev);
  40
  41 #endif