1*4882a593Smuzhiyun /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2020 BayLibre, SAS. 4*4882a593Smuzhiyun * Author: Jerome Brunet <jbrunet@baylibre.com> 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef _MESON_AIU_FIFO_H 8*4882a593Smuzhiyun #define _MESON_AIU_FIFO_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun struct snd_pcm_hardware; 11*4882a593Smuzhiyun struct snd_soc_component_driver; 12*4882a593Smuzhiyun struct snd_soc_dai_driver; 13*4882a593Smuzhiyun struct clk; 14*4882a593Smuzhiyun struct snd_pcm_ops; 15*4882a593Smuzhiyun struct snd_pcm_substream; 16*4882a593Smuzhiyun struct snd_soc_dai; 17*4882a593Smuzhiyun struct snd_pcm_hw_params; 18*4882a593Smuzhiyun struct platform_device; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct aiu_fifo { 21*4882a593Smuzhiyun struct snd_pcm_hardware *pcm; 22*4882a593Smuzhiyun unsigned int mem_offset; 23*4882a593Smuzhiyun unsigned int fifo_block; 24*4882a593Smuzhiyun struct clk *pclk; 25*4882a593Smuzhiyun int irq; 26*4882a593Smuzhiyun }; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun int aiu_fifo_dai_probe(struct snd_soc_dai *dai); 29*4882a593Smuzhiyun int aiu_fifo_dai_remove(struct snd_soc_dai *dai); 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun snd_pcm_uframes_t aiu_fifo_pointer(struct snd_soc_component *component, 32*4882a593Smuzhiyun struct snd_pcm_substream *substream); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun int aiu_fifo_trigger(struct snd_pcm_substream *substream, int cmd, 35*4882a593Smuzhiyun struct snd_soc_dai *dai); 36*4882a593Smuzhiyun int aiu_fifo_prepare(struct snd_pcm_substream *substream, 37*4882a593Smuzhiyun struct snd_soc_dai *dai); 38*4882a593Smuzhiyun int aiu_fifo_hw_params(struct snd_pcm_substream *substream, 39*4882a593Smuzhiyun struct snd_pcm_hw_params *params, 40*4882a593Smuzhiyun struct snd_soc_dai *dai); 41*4882a593Smuzhiyun int aiu_fifo_hw_free(struct snd_pcm_substream *substream, 42*4882a593Smuzhiyun struct snd_soc_dai *dai); 43*4882a593Smuzhiyun int aiu_fifo_startup(struct snd_pcm_substream *substream, 44*4882a593Smuzhiyun struct snd_soc_dai *dai); 45*4882a593Smuzhiyun void aiu_fifo_shutdown(struct snd_pcm_substream *substream, 46*4882a593Smuzhiyun struct snd_soc_dai *dai); 47*4882a593Smuzhiyun int aiu_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, 48*4882a593Smuzhiyun struct snd_soc_dai *dai); 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #endif /* _MESON_AIU_FIFO_H */ 51