66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/***************************************************************************
|
|
* 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 {
|
|
unsigned int parm0; /* this_1E4 */
|
|
unsigned int parm1; /* this_1E8 */
|
|
unsigned int parm2; /* this_1EC */
|
|
unsigned int parm3; /* this_1F0 */
|
|
unsigned int this_1D0;
|
|
} wt_voice_t;
|
|
|
|
#endif /* _AU88X0_WT_H */
|
|
|
|
/* End of file */
|