mirror of https://gitee.com/openkylin/linux.git
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
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/*
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* Copyright (c) 2020 BayLibre, SAS.
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* Author: Jerome Brunet <jbrunet@baylibre.com>
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*/
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#ifndef _MESON_AIU_FIFO_H
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#define _MESON_AIU_FIFO_H
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struct snd_pcm_hardware;
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struct snd_soc_component_driver;
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struct snd_soc_dai_driver;
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struct clk;
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struct snd_pcm_ops;
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struct snd_pcm_substream;
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struct snd_soc_dai;
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struct snd_pcm_hw_params;
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struct platform_device;
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struct aiu_fifo {
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struct snd_pcm_hardware *pcm;
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unsigned int mem_offset;
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unsigned int fifo_block;
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struct clk *pclk;
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int irq;
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};
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int aiu_fifo_dai_probe(struct snd_soc_dai *dai);
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int aiu_fifo_dai_remove(struct snd_soc_dai *dai);
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snd_pcm_uframes_t aiu_fifo_pointer(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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int aiu_fifo_trigger(struct snd_pcm_substream *substream, int cmd,
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struct snd_soc_dai *dai);
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int aiu_fifo_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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int aiu_fifo_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai);
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int aiu_fifo_hw_free(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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int aiu_fifo_startup(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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void aiu_fifo_shutdown(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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int aiu_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd,
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struct snd_soc_dai *dai);
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#endif /* _MESON_AIU_FIFO_H */
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