aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/davinci/davinci-pcm.h
blob: fbb710c76c083ef90b9c442e1776ec00fcb8aa08 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/*
 * ALSA PCM interface for the TI DAVINCI processor
 *
 * Author:      Vladimir Barinov, <vbarinov@embeddedalley.com>
 * Copyright:   (C) 2007 MontaVista Software, Inc., <source@mvista.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _DAVINCI_PCM_H
#define _DAVINCI_PCM_H

#include <linux/genalloc.h>
#include <linux/platform_data/davinci_asp.h>
#include <linux/platform_data/edma.h>

struct davinci_pcm_dma_params {
	int channel;			/* sync dma channel ID */
	unsigned short acnt;
	dma_addr_t dma_addr;		/* device physical address for DMA */
	unsigned sram_size;
	struct gen_pool *sram_pool;	/* SRAM gen_pool for ping pong */
	enum dma_event_q asp_chan_q;	/* event queue number for ASP channel */
	enum dma_event_q ram_chan_q;	/* event queue number for RAM channel */
	unsigned char data_type;	/* xfer data type */
	unsigned char convert_mono_stereo;
	unsigned int fifo_level;
};

int davinci_soc_platform_register(struct device *dev);
void davinci_soc_platform_unregister(struct device *dev);

#endif