M7350/kernel/sound/soc/msm/lpass-pcm.h

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2024-09-09 08:52:07 +00:00
/* Copyright (c) 2010, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _MSM_PCM_H
#define _MSM_PCM_H
#define USE_CHANNELS_MIN 1
#define USE_CHANNELS_MAX 2
#define NUM_DMAS 9
#define DMASZ 16384
#define MAX_CHANNELS 9
#define MSM_LPA_PHYS 0x28100000
#define MSM_LPA_END 0x2810DFFF
struct msm_audio {
struct snd_pcm_substream *substream;
/* data allocated for various buffers */
char *data;
dma_addr_t phys;
unsigned int pcm_size;
unsigned int pcm_count;
int enabled;
int period;
int dma_ch;
int period_index;
int start;
};
extern struct snd_soc_dai msm_cpu_dai[NUM_DMAS];
extern struct snd_soc_platform msm8660_soc_platform;
#endif /*_MSM_PCM_H*/