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kernel/linux-imx6_3.14.28/include/sound/rcar_snd.h 1.66 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * Renesas R-Car SRU/SCU/SSIU/SSI support
   *
   * Copyright (C) 2013 Renesas Solutions Corp.
   * Kuninori Morimoto <kuninori.morimoto.gx@renesas.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 RCAR_SND_H
  #define RCAR_SND_H
  
  #include <linux/sh_clk.h>
  
  #define RSND_GEN1_SRU	0
  #define RSND_GEN1_ADG	1
  #define RSND_GEN1_SSI	2
  
  #define RSND_GEN2_SCU	0
  #define RSND_GEN2_ADG	1
  #define RSND_GEN2_SSIU	2
  #define RSND_GEN2_SSI	3
  
  #define RSND_BASE_MAX	4
  
  /*
   * flags
   *
   * 0xAB000000
   *
   * A : clock sharing settings
   * B : SSI direction
   */
  #define RSND_SSI_CLK_PIN_SHARE		(1 << 31)
  #define RSND_SSI_SYNC			(1 << 29) /* SSI34_sync etc */
  
  #define RSND_SSI_PLAY			(1 << 24)
  
  #define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags)	\
  { .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags }
  #define RSND_SSI_UNUSED \
  { .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 }
  
  struct rsnd_ssi_platform_info {
  	int dai_id;
  	int dma_id;
  	int pio_irq;
  	u32 flags;
  };
  
  /*
   * flags
   */
  #define RSND_SCU_USE_HPBIF		(1 << 31) /* it needs RSND_SSI_DEPENDENT */
  
  struct rsnd_scu_platform_info {
  	u32 flags;
  	u32 convert_rate; /* sampling rate convert */
  };
  
  /*
   * flags
   *
   * 0x0000000A
   *
   * A : generation
   */
  #define RSND_GEN_MASK	(0xF << 0)
  #define RSND_GEN1	(1 << 0) /* fixme */
  #define RSND_GEN2	(2 << 0) /* fixme */
  
  struct rcar_snd_info {
  	u32 flags;
  	struct rsnd_ssi_platform_info *ssi_info;
  	int ssi_info_nr;
  	struct rsnd_scu_platform_info *scu_info;
  	int scu_info_nr;
  	int (*start)(int id);
  	int (*stop)(int id);
  };
  
  #endif