#ifndef __SOUND_FSI_H
  #define __SOUND_FSI_H
  
  /*
   * Fifo-attached Serial Interface (FSI) support for SH7724
   *
   * Copyright (C) 2009 Renesas Solutions Corp.
   * Kuninori Morimoto <morimoto.kuninori@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.
   */

  #define FSI_PORT_A	0
  #define FSI_PORT_B	1

  /* flags format
  
   * 0xABCDEEFF
   *
   * A:  channel size for TDM (input)
   * B:  channel size for TDM (ooutput)
   * C:  inversion
   * D:  mode
   * E:  input format
   * F:  output format
   */
  
  #include <linux/clk.h>
  #include <sound/soc.h>
  
  /* TDM channel */
  #define SH_FSI_SET_CH_I(x)	((x & 0xF) << 28)
  #define SH_FSI_SET_CH_O(x)	((x & 0xF) << 24)
  
  #define SH_FSI_CH_IMASK		0xF0000000
  #define SH_FSI_CH_OMASK		0x0F000000
  #define SH_FSI_GET_CH_I(x)	((x & SH_FSI_CH_IMASK) >> 28)
  #define SH_FSI_GET_CH_O(x)	((x & SH_FSI_CH_OMASK) >> 24)
  
  /* clock inversion */
  #define SH_FSI_INVERSION_MASK	0x00F00000
  #define SH_FSI_LRM_INV		(1 << 20)
  #define SH_FSI_BRM_INV		(1 << 21)
  #define SH_FSI_LRS_INV		(1 << 22)
  #define SH_FSI_BRS_INV		(1 << 23)
  
  /* mode */
  #define SH_FSI_MODE_MASK	0x000F0000
  #define SH_FSI_IN_SLAVE_MODE	(1 << 16)  /* default master mode */
  #define SH_FSI_OUT_SLAVE_MODE	(1 << 17)  /* default master mode */
  
  /* DI format */
  #define SH_FSI_FMT_MASK		0x000000FF
  #define SH_FSI_IFMT(x)		(((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8)
  #define SH_FSI_OFMT(x)		(((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 0)
  #define SH_FSI_GET_IFMT(x)	((x >> 8) & SH_FSI_FMT_MASK)
  #define SH_FSI_GET_OFMT(x)	((x >> 0) & SH_FSI_FMT_MASK)

  #define SH_FSI_FMT_MONO		0
  #define SH_FSI_FMT_MONO_DELAY	1
  #define SH_FSI_FMT_PCM		2
  #define SH_FSI_FMT_I2S		3
  #define SH_FSI_FMT_TDM		4
  #define SH_FSI_FMT_TDM_DELAY	5

  #define SH_FSI_FMT_SPDIF	6

  
  #define SH_FSI_IFMT_TDM_CH(x) \
  	(SH_FSI_IFMT(TDM)	| SH_FSI_SET_CH_I(x))
  #define SH_FSI_IFMT_TDM_DELAY_CH(x) \
  	(SH_FSI_IFMT(TDM_DELAY)	| SH_FSI_SET_CH_I(x))
  
  #define SH_FSI_OFMT_TDM_CH(x) \
  	(SH_FSI_OFMT(TDM)	| SH_FSI_SET_CH_O(x))
  #define SH_FSI_OFMT_TDM_DELAY_CH(x) \
  	(SH_FSI_OFMT(TDM_DELAY)	| SH_FSI_SET_CH_O(x))

  
  /*
   * set_rate return value
   *
   * see ACKMD/BPFMD on
   *     ACK_MD (FSI2)
   *     CKG1   (FSI)
   *
   * err:  return value < 0
   *
   * 0x-00000AB
   *
   * A:  ACKMD value
   * B:  BPFMD value
   */
  
  #define SH_FSI_ACKMD_MASK	(0xF << 0)
  #define SH_FSI_ACKMD_512	(1 << 0)
  #define SH_FSI_ACKMD_256	(2 << 0)
  #define SH_FSI_ACKMD_128	(3 << 0)
  #define SH_FSI_ACKMD_64		(4 << 0)
  #define SH_FSI_ACKMD_32		(5 << 0)
  
  #define SH_FSI_BPFMD_MASK	(0xF << 4)
  #define SH_FSI_BPFMD_512	(1 << 4)
  #define SH_FSI_BPFMD_256	(2 << 4)
  #define SH_FSI_BPFMD_128	(3 << 4)
  #define SH_FSI_BPFMD_64		(4 << 4)
  #define SH_FSI_BPFMD_32		(5 << 4)
  #define SH_FSI_BPFMD_16		(6 << 4)

  struct sh_fsi_platform_info {
  	unsigned long porta_flags;
  	unsigned long portb_flags;

  	int (*set_rate)(int is_porta, int rate); /* for master mode */

  };
  
  extern struct snd_soc_dai fsi_soc_dai[2];
  extern struct snd_soc_platform fsi_soc_platform;
  
  #endif /* __SOUND_FSI_H */