LXR linux/include/sound/sh

   1#ifndef __SOUND_FSI_H
   2#define __SOUND_FSI_H
   3
   4/*
   5 * Fifo-attached Serial Interface (FSI) support for SH7724
   6 *
   7 * Copyright (C) 2009 Renesas Solutions Corp.
   8 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License version 2 as
  12 * published by the Free Software Foundation.
  13 */
  14
  15/* flags format
  16
  17 * 0xABCDEEFF
  18 *
  19 * A:  channel size for TDM (input)
  20 * B:  channel size for TDM (ooutput)
  21 * C:  inversion
  22 * D:  mode
  23 * E:  input format
  24 * F:  output format
  25 */
  26
  27#include <linux/clk.h>
  28#include <sound/soc.h>
  29
  30/* TDM channel */
  31#define SH_FSI_SET_CH_I(x)      ((x & 0xF) << 28)
  32#define SH_FSI_SET_CH_O(x)      ((x & 0xF) << 24)
  33
  34#define SH_FSI_CH_IMASK         0xF0000000
  35#define SH_FSI_CH_OMASK         0x0F000000
  36#define SH_FSI_GET_CH_I(x)      ((x & SH_FSI_CH_IMASK) >> 28)
  37#define SH_FSI_GET_CH_O(x)      ((x & SH_FSI_CH_OMASK) >> 24)
  38
  39/* clock inversion */
  40#define SH_FSI_INVERSION_MASK   0x00F00000
  41#define SH_FSI_LRM_INV          (1 << 20)
  42#define SH_FSI_BRM_INV          (1 << 21)
  43#define SH_FSI_LRS_INV          (1 << 22)
  44#define SH_FSI_BRS_INV          (1 << 23)
  45
  46/* mode */
  47#define SH_FSI_MODE_MASK        0x000F0000
  48#define SH_FSI_IN_SLAVE_MODE    (1 << 16)  /* default master mode */
  49#define SH_FSI_OUT_SLAVE_MODE   (1 << 17)  /* default master mode */
  50
  51/* DI format */
  52#define SH_FSI_FMT_MASK         0x000000FF
  53#define SH_FSI_IFMT(x)          (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8)
  54#define SH_FSI_OFMT(x)          (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 0)
  55#define SH_FSI_GET_IFMT(x)      ((x >> 8) & SH_FSI_FMT_MASK)
  56#define SH_FSI_GET_OFMT(x)      ((x >> 0) & SH_FSI_FMT_MASK)
  57
  58#define SH_FSI_FMT_MONO         (1 << 0)
  59#define SH_FSI_FMT_MONO_DELAY   (1 << 1)
  60#define SH_FSI_FMT_PCM          (1 << 2)
  61#define SH_FSI_FMT_I2S          (1 << 3)
  62#define SH_FSI_FMT_TDM          (1 << 4)
  63#define SH_FSI_FMT_TDM_DELAY    (1 << 5)
  64
  65#define SH_FSI_IFMT_TDM_CH(x) \
  66        (SH_FSI_IFMT(TDM)       | SH_FSI_SET_CH_I(x))
  67#define SH_FSI_IFMT_TDM_DELAY_CH(x) \
  68        (SH_FSI_IFMT(TDM_DELAY) | SH_FSI_SET_CH_I(x))
  69
  70#define SH_FSI_OFMT_TDM_CH(x) \
  71        (SH_FSI_OFMT(TDM)       | SH_FSI_SET_CH_O(x))
  72#define SH_FSI_OFMT_TDM_DELAY_CH(x) \
  73        (SH_FSI_OFMT(TDM_DELAY) | SH_FSI_SET_CH_O(x))
  74
  75struct sh_fsi_platform_info {
  76        unsigned long porta_flags;
  77        unsigned long portb_flags;
  78};
  79
  80extern struct snd_soc_dai fsi_soc_dai[2];
  81extern struct snd_soc_platform fsi_soc_platform;
  82
  83#endif /* __SOUND_FSI_H */
  84