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
  10 struct snd_pcm_hardware;
  11 struct snd_soc_component_driver;
  12 struct snd_soc_dai_driver;
  13 struct clk;
  14 struct snd_pcm_ops;
  15 struct snd_pcm_substream;
  16 struct snd_soc_dai;
  17 struct snd_pcm_hw_params;
  18 struct platform_device;
  19
  20 struct 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
  28 int aiu_fifo_dai_probe(struct snd_soc_dai *dai);
  29 int aiu_fifo_dai_remove(struct snd_soc_dai *dai);
  30
  31 snd_pcm_uframes_t aiu_fifo_pointer(struct snd_soc_component *component,
  32                                    struct snd_pcm_substream *substream);
  33
  34 int aiu_fifo_trigger(struct snd_pcm_substream *substream, int cmd,
  35                      struct snd_soc_dai *dai);
  36 int aiu_fifo_prepare(struct snd_pcm_substream *substream,
  37                      struct snd_soc_dai *dai);
  38 int aiu_fifo_hw_params(struct snd_pcm_substream *substream,
  39                        struct snd_pcm_hw_params *params,
  40                        struct snd_soc_dai *dai);
  41 int aiu_fifo_hw_free(struct snd_pcm_substream *substream,
  42                      struct snd_soc_dai *dai);
  43 int aiu_fifo_startup(struct snd_pcm_substream *substream,
  44                      struct snd_soc_dai *dai);
  45 void aiu_fifo_shutdown(struct snd_pcm_substream *substream,
  46                        struct snd_soc_dai *dai);
  47 int aiu_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd,
  48                      struct snd_soc_dai *dai);
  49
  50 #endif /* _MESON_AIU_FIFO_H */