drivers/audio/es1371/codec.h

   1 #ifndef CODEC_H
   2 #define CODEC_H
   3
   4 #include "es1371.h"
   5 #include "wait.h"
   6 #include "../AC97.h"
   7 #include "SRC.h"
   8
   9 #define CODEC_0DB_GAIN          0x0008
  10 #define CODEC_MAX_ATTN          0x003f
  11 #define CODEC_MUTE              0x8000U
  12
  13
  14 /* Control function defines */
  15 #define CODEC_CTL_4SPKR         0x00U   /* 4-spkr output mode enable */
  16 #define CODEC_CTL_MICBOOST      0x01U   /* Mic boost (+30 dB) enable */
  17 #define CODEC_CTL_PWRDOWN       0x02U   /* power-down mode */
  18 #define CODEC_CTL_DOSMODE       0x03U   /* A/D sync to DAC1 */
  19
  20                                                 /* Timeout waiting for: */
  21 #define CODEC_ERR_WIP_TIMEOUT           -1      /* write in progress complete */
  22 #define CODEC_ERR_DATA_TIMEOUT          -2      /* data ready */
  23 #define CODEC_ERR_SRC_NOT_BUSY_TIMEOUT  -3      /* SRC not busy */
  24 #define CODEC_ERR_SRC_SYNC_TIMEOUT      -4      /* state #1 */
  25
  26 /* Function to inform CODEC module which AC97 vendor ID to expect */
  27 void CodecSetVendorId (char *tbuf);
  28
  29 /* CODEC Mixer and Mode control function prototypes */
  30
  31 int  CodecRead (DEV_STRUCT * pCC, u16_t wAddr, u16_t *data);
  32 int  CodecWrite (DEV_STRUCT * pCC, u16_t wAddr, u16_t wData);
  33 void CodecSetSrcSyncState (int state);
  34 int  CodecWriteUnsynced (DEV_STRUCT * pCC, u16_t wAddr, u16_t wData);
  35 int  CodecReadUnsynced (DEV_STRUCT * pCC, u16_t wAddr, u16_t *data);
  36
  37 /*
  38   This function initializes the CODEC to a default mode.
  39 */
  40 int CODECInit( DEV_STRUCT * pCC );
  41
  42
  43
  44 #endif /* CODEC_H */