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kernel/linux-imx6_3.14.28/sound/soc/davinci/davinci-pcm.h 1.14 KB
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  /*
   * 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