davinci-pcm.h 1.1 KB
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/*
 * ALSA PCM interface for the TI DAVINCI processor
 *
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 * Author:      Vladimir Barinov, <vbarinov@embeddedalley.com>
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 * 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

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

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struct davinci_pcm_dma_params {
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	int channel;			/* sync dma channel ID */
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	unsigned short acnt;
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	dma_addr_t dma_addr;		/* device physical address for DMA */
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	unsigned sram_size;
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	struct gen_pool *sram_pool;	/* SRAM gen_pool for ping pong */
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	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 */
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	unsigned char data_type;	/* xfer data type */
	unsigned char convert_mono_stereo;
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	unsigned int fifo_level;
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};

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

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#endif