1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
3 * Copyright (c) 2020 BayLibre, SAS.
7 #ifndef _MESON_AIU_FIFO_H
8 #define _MESON_AIU_FIFO_H
10 struct snd_pcm_hardware;
11 struct snd_soc_component_driver;
12 struct snd_soc_dai_driver;
15 struct snd_pcm_substream;
17 struct snd_pcm_hw_params;
18 struct platform_device;
21 struct snd_pcm_hardware *pcm;
22 unsigned int mem_offset;
23 unsigned int fifo_block;
28 int aiu_fifo_dai_probe(struct snd_soc_dai *dai);
29 int aiu_fifo_dai_remove(struct snd_soc_dai *dai);
31 snd_pcm_uframes_t aiu_fifo_pointer(struct snd_soc_component *component,
32 struct snd_pcm_substream *substream);
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);
50 #endif /* _MESON_AIU_FIFO_H */