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| author | Jerome Brunet <jbrunet@baylibre.com> | 2020-02-13 16:51:54 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-02-13 20:57:22 +0000 |
| commit | 6ae9ca9ce986bffe71fd0fbf9595de8500891b52 (patch) | |
| tree | 89b67fa3c5b548d974489f8ad6da921de6d209da /sound/soc/meson/aiu-fifo.h | |
| parent | 06b72824386795bf6f0a6ac0f0cfef6b7f0165c1 (diff) | |
| download | linux-stable-6ae9ca9ce986bffe71fd0fbf9595de8500891b52.tar.gz linux-stable-6ae9ca9ce986bffe71fd0fbf9595de8500891b52.tar.bz2 linux-stable-6ae9ca9ce986bffe71fd0fbf9595de8500891b52.zip | |
ASoC: meson: aiu: add i2s and spdif support
Add support for the i2s and spdif audio outputs (AIU) found in the
amlogic Gx SoC family
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20200213155159.3235792-5-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/meson/aiu-fifo.h')
| -rw-r--r-- | sound/soc/meson/aiu-fifo.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sound/soc/meson/aiu-fifo.h b/sound/soc/meson/aiu-fifo.h new file mode 100644 index 000000000000..42ce266677cc --- /dev/null +++ b/sound/soc/meson/aiu-fifo.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Copyright (c) 2020 BayLibre, SAS. + * Author: Jerome Brunet <jbrunet@baylibre.com> + */ + +#ifndef _MESON_AIU_FIFO_H +#define _MESON_AIU_FIFO_H + +struct snd_pcm_hardware; +struct snd_soc_component_driver; +struct snd_soc_dai_driver; +struct clk; +struct snd_pcm_ops; +struct snd_pcm_substream; +struct snd_soc_dai; +struct snd_pcm_hw_params; +struct platform_device; + +struct aiu_fifo { + struct snd_pcm_hardware *pcm; + unsigned int mem_offset; + unsigned int fifo_block; + struct clk *pclk; + int irq; +}; + +int aiu_fifo_dai_probe(struct snd_soc_dai *dai); +int aiu_fifo_dai_remove(struct snd_soc_dai *dai); + +snd_pcm_uframes_t aiu_fifo_pointer(struct snd_soc_component *component, + struct snd_pcm_substream *substream); + +int aiu_fifo_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai); +int aiu_fifo_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +int aiu_fifo_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai); +int aiu_fifo_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +int aiu_fifo_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +void aiu_fifo_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +int aiu_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, + struct snd_soc_dai *dai); + +#endif /* _MESON_AIU_FIFO_H */ |