LXR linux/sound/soc/meson/aiu-fifo.h

   1/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
   2/*
   3 * Copyright (c) 2020 BayLibre, SAS.
   4 * Author: Jerome Brunet <jbrunet@baylibre.com>
   5 */
   6
   7#ifndef _MESON_AIU_FIFO_H
   8#define _MESON_AIU_FIFO_H
   9
  10struct snd_pcm_hardware;
  11struct snd_soc_component_driver;
  12struct snd_soc_dai_driver;
  13struct clk;
  14struct snd_pcm_ops;
  15struct snd_pcm_substream;
  16struct snd_soc_dai;
  17struct snd_pcm_hw_params;
  18struct platform_device;
  19
  20struct aiu_fifo {
  21        struct snd_pcm_hardware *pcm;
  22        unsigned int mem_offset;
  23        unsigned int fifo_block;
  24        struct clk *pclk;
  25        int irq;
  26};
  27
  28int aiu_fifo_dai_probe(struct snd_soc_dai *dai);
  29int aiu_fifo_dai_remove(struct snd_soc_dai *dai);
  30
  31snd_pcm_uframes_t aiu_fifo_pointer(struct snd_soc_component *component,
  32                                   struct snd_pcm_substream *substream);
  33
  34int aiu_fifo_trigger(struct snd_pcm_substream *substream, int cmd,
  35                     struct snd_soc_dai *dai);
  36int aiu_fifo_prepare(struct snd_pcm_substream *substream,
  37                     struct snd_soc_dai *dai);
  38int aiu_fifo_hw_params(struct snd_pcm_substream *substream,
  39                       struct snd_pcm_hw_params *params,
  40                       struct snd_soc_dai *dai);
  41int aiu_fifo_hw_free(struct snd_pcm_substream *substream,
  42                     struct snd_soc_dai *dai);
  43int aiu_fifo_startup(struct snd_pcm_substream *substream,
  44                     struct snd_soc_dai *dai);
  45void aiu_fifo_shutdown(struct snd_pcm_substream *substream,
  46                       struct snd_soc_dai *dai);
  47int aiu_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd,
  48                     struct snd_soc_dai *dai);
  49
  50#endif /* _MESON_AIU_FIFO_H */
  51