LXR linux/sound/soc/nuc900/nuc900-audio.h

   1/*
   2 * Copyright (c) 2010 Nuvoton technology corporation.
   3 *
   4 * Wan ZongShun <mcuos.com@gmail.com>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation;version 2 of the License.
   9 *
  10 */
  11
  12#ifndef _NUC900_AUDIO_H
  13#define _NUC900_AUDIO_H
  14
  15#include <linux/io.h>
  16
  17/* Audio Control Registers */
  18#define ACTL_CON                0x00
  19#define ACTL_RESET              0x04
  20#define ACTL_RDSTB              0x08
  21#define ACTL_RDST_LENGTH        0x0C
  22#define ACTL_RDSTC              0x10
  23#define ACTL_RSR                0x14
  24#define ACTL_PDSTB              0x18
  25#define ACTL_PDST_LENGTH        0x1C
  26#define ACTL_PDSTC              0x20
  27#define ACTL_PSR                0x24
  28#define ACTL_IISCON             0x28
  29#define ACTL_ACCON              0x2C
  30#define ACTL_ACOS0              0x30
  31#define ACTL_ACOS1              0x34
  32#define ACTL_ACOS2              0x38
  33#define ACTL_ACIS0              0x3C
  34#define ACTL_ACIS1              0x40
  35#define ACTL_ACIS2              0x44
  36#define ACTL_COUNTER            0x48
  37
  38/* bit definition of REG_ACTL_CON register */
  39#define R_DMA_IRQ               0x1000
  40#define T_DMA_IRQ               0x0800
  41#define IIS_AC_PIN_SEL          0x0100
  42#define FIFO_TH                 0x0080
  43#define ADC_EN                  0x0010
  44#define M80_EN                  0x0008
  45#define ACLINK_EN               0x0004
  46#define IIS_EN                  0x0002
  47
  48/* bit definition of REG_ACTL_RESET register */
  49#define W5691_PLAY              0x20000
  50#define ACTL_RESET_BIT          0x10000
  51#define RECORD_RIGHT_CHNNEL     0x08000
  52#define RECORD_LEFT_CHNNEL      0x04000
  53#define PLAY_RIGHT_CHNNEL       0x02000
  54#define PLAY_LEFT_CHNNEL        0x01000
  55#define DAC_PLAY                0x00800
  56#define ADC_RECORD              0x00400
  57#define M80_PLAY                0x00200
  58#define AC_RECORD               0x00100
  59#define AC_PLAY                 0x00080
  60#define IIS_RECORD              0x00040
  61#define IIS_PLAY                0x00020
  62#define DAC_RESET               0x00010
  63#define ADC_RESET               0x00008
  64#define M80_RESET               0x00004
  65#define AC_RESET                0x00002
  66#define IIS_RESET               0x00001
  67
  68/* bit definition of REG_ACTL_ACCON register */
  69#define AC_BCLK_PU_EN           0x20
  70#define AC_R_FINISH             0x10
  71#define AC_W_FINISH             0x08
  72#define AC_W_RES                0x04
  73#define AC_C_RES                0x02
  74
  75/* bit definition of ACTL_RSR register */
  76#define R_FIFO_EMPTY            0x04
  77#define R_DMA_END_IRQ           0x02
  78#define R_DMA_MIDDLE_IRQ        0x01
  79
  80/* bit definition of ACTL_PSR register */
  81#define P_FIFO_EMPTY            0x04
  82#define P_DMA_END_IRQ           0x02
  83#define P_DMA_MIDDLE_IRQ        0x01
  84
  85/* bit definition of ACTL_ACOS0 register */
  86#define SLOT1_VALID             0x01
  87#define SLOT2_VALID             0x02
  88#define SLOT3_VALID             0x04
  89#define SLOT4_VALID             0x08
  90#define VALID_FRAME             0x10
  91
  92/* bit definition of ACTL_ACOS1 register */
  93#define R_WB                    0x80
  94
  95#define CODEC_READY             0x10
  96#define RESET_PRSR              0x00
  97#define AUDIO_WRITE(addr, val)  __raw_writel(val, addr)
  98#define AUDIO_READ(addr)        __raw_readl(addr)
  99
 100struct nuc900_audio {
 101        void __iomem *mmio;
 102        spinlock_t lock;
 103        unsigned long irq_num;
 104        struct resource *res;
 105        struct clk *clk;
 106        struct device *dev;
 107
 108};
 109
 110extern struct nuc900_audio *nuc900_ac97_data;
 111
 112#endif /*end _NUC900_AUDIO_H */
 113