/***************************************************************************
   *           WT register offsets.
   *
   *  Wed Oct 22 13:50:20 2003
   *  Copyright  2003  mjander
   *  mjander@users.sourceforge.org
   ****************************************************************************/
  #ifndef _AU88X0_WT_H
  #define _AU88X0_WT_H
  
  /* WT channels are grouped in banks. Each bank has 0x20 channels. */
  /* Bank register address boundary is 0x8000 */
  
  #define NR_WT_PB 0x20
  
  /* WT bank base register (as dword address). */
  #define WT_BAR(x) (((x)&0xffe0)<<0x8)
  #define WT_BANK(x) (x>>5)
  /* WT Bank registers */
  #define WT_CTRL(bank)	(((((bank)&1)<<0xd) + 0x00)<<2)	/* 0x0000 */
  #define WT_SRAMP(bank)	(((((bank)&1)<<0xd) + 0x01)<<2)	/* 0x0004 */
  #define WT_DSREG(bank)	(((((bank)&1)<<0xd) + 0x02)<<2)	/* 0x0008 */
  #define WT_MRAMP(bank)	(((((bank)&1)<<0xd) + 0x03)<<2)	/* 0x000c */
  #define WT_GMODE(bank)	(((((bank)&1)<<0xd) + 0x04)<<2)	/* 0x0010 */
  #define WT_ARAMP(bank)	(((((bank)&1)<<0xd) + 0x05)<<2)	/* 0x0014 */
  /* WT Voice registers */
  #define WT_STEREO(voice)	((WT_BAR(voice)+ 0x20 +(((voice)&0x1f)>>1))<<2)	/* 0x0080 */
  #define WT_MUTE(voice)		((WT_BAR(voice)+ 0x40 +((voice)&0x1f))<<2)	/* 0x0100 */
  #define WT_RUN(voice)		((WT_BAR(voice)+ 0x60 +((voice)&0x1f))<<2)	/* 0x0180 */
  /* Some kind of parameters. */
  /* PARM0, PARM1 : Filter (0xFF000000), SampleRate (0x0000FFFF) */
  /* PARM2, PARM3 : Still unknown */
  #define WT_PARM(x,y)	(((WT_BAR(x))+ 0x80 +(((x)&0x1f)<<2)+(y))<<2)	/* 0x0200 */
  #define WT_DELAY(x,y)	(((WT_BAR(x))+ 0x100 +(((x)&0x1f)<<2)+(y))<<2)	/* 0x0400 */
  
  /* Numeric indexes used by SetReg() and GetReg() */
  #if 0
  enum {
  	run = 0,		/* 0  W 1:run 0:stop */
  	parm0,			/* 1  W filter, samplerate */
  	parm1,			/* 2  W filter, samplerate */
  	parm2,			/* 3  W  */
  	parm3,			/* 4  RW volume. This value is calculated using floating point ops. */
  	sramp,			/* 5  W */
  	mute,			/* 6  W 1:mute, 0:unmute */
  	gmode,			/* 7  RO Looks like only bit0 is used. */
  	aramp,			/* 8  W */
  	mramp,			/* 9  W */
  	ctrl,			/* a  W */
  	delay,			/* b  W All 4 values are written at once with same value. */
  	dsreg,			/* c  (R)W */
  } wt_reg;
  #endif
  
  typedef struct {

  	u32 parm0;	/* this_1E4 */
  	u32 parm1;	/* this_1E8 */
  	u32 parm2;	/* this_1EC */
  	u32 parm3;	/* this_1F0 */
  	u32 this_1D0;

  } wt_voice_t;
  
  #endif				/* _AU88X0_WT_H */
  
  /* End of file */