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 u32 parm0; /* this_1E4 */ 57 u32 parm1; /* this_1E8 */ 58 u32 parm2; /* this_1EC */ 59 u32 parm3; /* this_1F0 */ 60 u32 this_1D0; 61 } wt_voice_t; 62 63 #endif /* _AU88X0_WT_H */ 64 65 /* End of file */ 66