sound/pci/au88x0/au88x0_wt.h

   1 /***************************************************************************
   2  *           WT register offsets.
   3  *
   4  *  Wed Oct 22 13:50:20 2003
   5  *  Copyright  2003  mjander
   6  *  mjander@users.sourceforge.org
   7  ****************************************************************************/
   8 #ifndef _AU88X0_WT_H
   9 #define _AU88X0_WT_H
  10
  11 /* WT channels are grouped in banks. Each bank has 0x20 channels. */
  12 /* Bank register address boundary is 0x8000 */
  13
  14 #define NR_WT_PB 0x20
  15
  16 /* WT bank base register (as dword address). */
  17 #define WT_BAR(x) (((x)&0xffe0)<<0x8)
  18 #define WT_BANK(x) (x>>5)
  19 /* WT Bank registers */
  20 #define WT_CTRL(bank)   (((((bank)&1)<<0xd) + 0x00)<<2) /* 0x0000 */
  21 #define WT_SRAMP(bank)  (((((bank)&1)<<0xd) + 0x01)<<2) /* 0x0004 */
  22 #define WT_DSREG(bank)  (((((bank)&1)<<0xd) + 0x02)<<2) /* 0x0008 */
  23 #define WT_MRAMP(bank)  (((((bank)&1)<<0xd) + 0x03)<<2) /* 0x000c */
  24 #define WT_GMODE(bank)  (((((bank)&1)<<0xd) + 0x04)<<2) /* 0x0010 */
  25 #define WT_ARAMP(bank)  (((((bank)&1)<<0xd) + 0x05)<<2) /* 0x0014 */
  26 /* WT Voice registers */
  27 #define WT_STEREO(voice)        ((WT_BAR(voice)+ 0x20 +(((voice)&0x1f)>>1))<<2) /* 0x0080 */
  28 #define WT_MUTE(voice)          ((WT_BAR(voice)+ 0x40 +((voice)&0x1f))<<2)      /* 0x0100 */
  29 #define WT_RUN(voice)           ((WT_BAR(voice)+ 0x60 +((voice)&0x1f))<<2)      /* 0x0180 */
  30 /* Some kind of parameters. */
  31 /* PARM0, PARM1 : Filter (0xFF000000), SampleRate (0x0000FFFF) */
  32 /* PARM2, PARM3 : Still unknown */
  33 #define WT_PARM(x,y)    (((WT_BAR(x))+ 0x80 +(((x)&0x1f)<<2)+(y))<<2)   /* 0x0200 */
  34 #define WT_DELAY(x,y)   (((WT_BAR(x))+ 0x100 +(((x)&0x1f)<<2)+(y))<<2)  /* 0x0400 */
  35
  36 /* Numeric indexes used by SetReg() and GetReg() */
  37 #if 0
  38 enum {
  39         run = 0,                /* 0  W 1:run 0:stop */
  40         parm0,                  /* 1  W filter, samplerate */
  41         parm1,                  /* 2  W filter, samplerate */
  42         parm2,                  /* 3  W  */
  43         parm3,                  /* 4  RW volume. This value is calculated using floating point ops. */
  44         sramp,                  /* 5  W */
  45         mute,                   /* 6  W 1:mute, 0:unmute */
  46         gmode,                  /* 7  RO Looks like only bit0 is used. */
  47         aramp,                  /* 8  W */
  48         mramp,                  /* 9  W */
  49         ctrl,                   /* a  W */
  50         delay,                  /* b  W All 4 values are written at once with same value. */
  51         dsreg,                  /* c  (R)W */
  52 } wt_reg;
  53 #endif
  54
  55 typedef struct {
  56         unsigned int parm0;     /* this_1E4 */
  57         unsigned int parm1;     /* this_1E8 */
  58         unsigned int parm2;     /* this_1EC */
  59         unsigned int parm3;     /* this_1F0 */
  60         unsigned int this_1D0;
  61 } wt_voice_t;
  62
  63 #endif                          /* _AU88X0_WT_H */
  64
  65 /* End of file */