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