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/***************************************************************************
* 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 */
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