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);
25int tegra_pcm_open(struct snd_soc_component *component,
26		   struct snd_pcm_substream *substream);
27int tegra_pcm_close(struct snd_soc_component *component,
28		    struct snd_pcm_substream *substream);
29int tegra_pcm_hw_params(struct snd_soc_component *component,
30			struct snd_pcm_substream *substream,
31			struct snd_pcm_hw_params *params);
32snd_pcm_uframes_t tegra_pcm_pointer(struct snd_soc_component *component,
33				    struct snd_pcm_substream *substream);
34int tegra_pcm_platform_register(struct device *dev);
35int devm_tegra_pcm_platform_register(struct device *dev);
36int tegra_pcm_platform_register_with_chan_names(struct device *dev,
37				struct snd_dmaengine_pcm_config *config,
38				char *txdmachan, char *rxdmachan);
39void tegra_pcm_platform_unregister(struct device *dev);
40
41#endif

 
 1/*
 2 * tegra_pcm.h - Definitions for Tegra PCM driver
 3 *
 4 * Author: Stephen Warren <swarren@nvidia.com>
 5 * Copyright (C) 2010,2012 - NVIDIA, Inc.
 6 *
 7 * Based on code copyright/by:
 8 *
 9 * Copyright (c) 2009-2010, NVIDIA Corporation.
10 * Scott Peterson <speterson@nvidia.com>
11 *
12 * Copyright (C) 2010 Google, Inc.
13 * Iliyan Malchev <malchev@google.com>
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * version 2 as published by the Free Software Foundation.
18 *
19 * This program is distributed in the hope that it will be useful, but
20 * WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
22 * General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
27 * 02110-1301 USA
28 *
29 */
30
31#ifndef __TEGRA_PCM_H__
32#define __TEGRA_PCM_H__
33
34struct snd_dmaengine_pcm_config;
 
35
 
 
 
 
 
 
 
 
 
 
 
36int tegra_pcm_platform_register(struct device *dev);
 
37int tegra_pcm_platform_register_with_chan_names(struct device *dev,
38				struct snd_dmaengine_pcm_config *config,
39				char *txdmachan, char *rxdmachan);
40void tegra_pcm_platform_unregister(struct device *dev);
41
42#endif