| /*************************************************************************** |
| * 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 */ |
