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
 100 struct nuc900_audio {
 101         void __iomem *mmio;
 102         spinlock_t lock;
 103         dma_addr_t dma_addr[2];
 104         unsigned long buffersize[2];
 105         unsigned long irq_num;
 106         struct snd_pcm_substream *substream;
 107         struct resource *res;
 108         struct clk *clk;
 109         struct device *dev;
 110
 111 };
 112
 113 extern struct nuc900_audio *nuc900_ac97_data;
 114
 115 #endif /*end _NUC900_AUDIO_H */