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