1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * tegra_pcm.h - Definitions for Tegra PCM driver 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Author: Stephen Warren <swarren@nvidia.com> 6*4882a593Smuzhiyun * Copyright (C) 2010,2012 - NVIDIA, Inc. 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Based on code copyright/by: 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Copyright (c) 2009-2010, NVIDIA Corporation. 11*4882a593Smuzhiyun * Scott Peterson <speterson@nvidia.com> 12*4882a593Smuzhiyun * 13*4882a593Smuzhiyun * Copyright (C) 2010 Google, Inc. 14*4882a593Smuzhiyun * Iliyan Malchev <malchev@google.com> 15*4882a593Smuzhiyun */ 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #ifndef __TEGRA_PCM_H__ 18*4882a593Smuzhiyun #define __TEGRA_PCM_H__ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #include <sound/dmaengine_pcm.h> 21*4882a593Smuzhiyun #include <sound/asound.h> 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun int tegra_pcm_construct(struct snd_soc_component *component, 24*4882a593Smuzhiyun struct snd_soc_pcm_runtime *rtd); 25*4882a593Smuzhiyun void tegra_pcm_destruct(struct snd_soc_component *component, 26*4882a593Smuzhiyun struct snd_pcm *pcm); 27*4882a593Smuzhiyun int tegra_pcm_open(struct snd_soc_component *component, 28*4882a593Smuzhiyun struct snd_pcm_substream *substream); 29*4882a593Smuzhiyun int tegra_pcm_close(struct snd_soc_component *component, 30*4882a593Smuzhiyun struct snd_pcm_substream *substream); 31*4882a593Smuzhiyun int tegra_pcm_hw_params(struct snd_soc_component *component, 32*4882a593Smuzhiyun struct snd_pcm_substream *substream, 33*4882a593Smuzhiyun struct snd_pcm_hw_params *params); 34*4882a593Smuzhiyun int tegra_pcm_hw_free(struct snd_soc_component *component, 35*4882a593Smuzhiyun struct snd_pcm_substream *substream); 36*4882a593Smuzhiyun int tegra_pcm_mmap(struct snd_soc_component *component, 37*4882a593Smuzhiyun struct snd_pcm_substream *substream, 38*4882a593Smuzhiyun struct vm_area_struct *vma); 39*4882a593Smuzhiyun snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component, 40*4882a593Smuzhiyun struct snd_pcm_substream *substream); 41*4882a593Smuzhiyun int tegra_pcm_platform_register(struct device *dev); 42*4882a593Smuzhiyun int tegra_pcm_platform_register_with_chan_names(struct device *dev, 43*4882a593Smuzhiyun struct snd_dmaengine_pcm_config *config, 44*4882a593Smuzhiyun char *txdmachan, char *rxdmachan); 45*4882a593Smuzhiyun void tegra_pcm_platform_unregister(struct device *dev); 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #endif 48