18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (c) 2020 BayLibre, SAS. 48c2ecf20Sopenharmony_ci * Author: Jerome Brunet <jbrunet@baylibre.com> 58c2ecf20Sopenharmony_ci */ 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci#ifndef _MESON_AIU_FIFO_H 88c2ecf20Sopenharmony_ci#define _MESON_AIU_FIFO_H 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_cistruct snd_pcm_hardware; 118c2ecf20Sopenharmony_cistruct snd_soc_component_driver; 128c2ecf20Sopenharmony_cistruct snd_soc_dai_driver; 138c2ecf20Sopenharmony_cistruct clk; 148c2ecf20Sopenharmony_cistruct snd_pcm_ops; 158c2ecf20Sopenharmony_cistruct snd_pcm_substream; 168c2ecf20Sopenharmony_cistruct snd_soc_dai; 178c2ecf20Sopenharmony_cistruct snd_pcm_hw_params; 188c2ecf20Sopenharmony_cistruct platform_device; 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_cistruct aiu_fifo { 218c2ecf20Sopenharmony_ci struct snd_pcm_hardware *pcm; 228c2ecf20Sopenharmony_ci unsigned int mem_offset; 238c2ecf20Sopenharmony_ci unsigned int fifo_block; 248c2ecf20Sopenharmony_ci struct clk *pclk; 258c2ecf20Sopenharmony_ci int irq; 268c2ecf20Sopenharmony_ci}; 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ciint aiu_fifo_dai_probe(struct snd_soc_dai *dai); 298c2ecf20Sopenharmony_ciint aiu_fifo_dai_remove(struct snd_soc_dai *dai); 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_cisnd_pcm_uframes_t aiu_fifo_pointer(struct snd_soc_component *component, 328c2ecf20Sopenharmony_ci struct snd_pcm_substream *substream); 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ciint aiu_fifo_trigger(struct snd_pcm_substream *substream, int cmd, 358c2ecf20Sopenharmony_ci struct snd_soc_dai *dai); 368c2ecf20Sopenharmony_ciint aiu_fifo_prepare(struct snd_pcm_substream *substream, 378c2ecf20Sopenharmony_ci struct snd_soc_dai *dai); 388c2ecf20Sopenharmony_ciint aiu_fifo_hw_params(struct snd_pcm_substream *substream, 398c2ecf20Sopenharmony_ci struct snd_pcm_hw_params *params, 408c2ecf20Sopenharmony_ci struct snd_soc_dai *dai); 418c2ecf20Sopenharmony_ciint aiu_fifo_hw_free(struct snd_pcm_substream *substream, 428c2ecf20Sopenharmony_ci struct snd_soc_dai *dai); 438c2ecf20Sopenharmony_ciint aiu_fifo_startup(struct snd_pcm_substream *substream, 448c2ecf20Sopenharmony_ci struct snd_soc_dai *dai); 458c2ecf20Sopenharmony_civoid aiu_fifo_shutdown(struct snd_pcm_substream *substream, 468c2ecf20Sopenharmony_ci struct snd_soc_dai *dai); 478c2ecf20Sopenharmony_ciint aiu_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, 488c2ecf20Sopenharmony_ci struct snd_soc_dai *dai); 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ci#endif /* _MESON_AIU_FIFO_H */ 51