1/* SPDX-License-Identifier: GPL-2.0 */ 2/*************************************************************************** 3 * WT register offsets. 4 * 5 * Wed Oct 22 13:50:20 2003 6 * Copyright 2003 mjander 7 * mjander@users.sourceforge.org 8 ****************************************************************************/ 9#ifndef _AU88X0_WT_H 10#define _AU88X0_WT_H 11 12/* WT channels are grouped in banks. Each bank has 0x20 channels. */ 13/* Bank register address boundary is 0x8000 */ 14 15#define NR_WT_PB 0x20 16 17/* WT bank base register (as dword address). */ 18#define WT_BAR(x) (((x)&0xffe0)<<0x8) 19#define WT_BANK(x) (x>>5) 20/* WT Bank registers */ 21#define WT_CTRL(bank) (((((bank)&1)<<0xd) + 0x00)<<2) /* 0x0000 */ 22#define WT_SRAMP(bank) (((((bank)&1)<<0xd) + 0x01)<<2) /* 0x0004 */ 23#define WT_DSREG(bank) (((((bank)&1)<<0xd) + 0x02)<<2) /* 0x0008 */ 24#define WT_MRAMP(bank) (((((bank)&1)<<0xd) + 0x03)<<2) /* 0x000c */ 25#define WT_GMODE(bank) (((((bank)&1)<<0xd) + 0x04)<<2) /* 0x0010 */ 26#define WT_ARAMP(bank) (((((bank)&1)<<0xd) + 0x05)<<2) /* 0x0014 */ 27/* WT Voice registers */ 28#define WT_STEREO(voice) ((WT_BAR(voice)+ 0x20 +(((voice)&0x1f)>>1))<<2) /* 0x0080 */ 29#define WT_MUTE(voice) ((WT_BAR(voice)+ 0x40 +((voice)&0x1f))<<2) /* 0x0100 */ 30#define WT_RUN(voice) ((WT_BAR(voice)+ 0x60 +((voice)&0x1f))<<2) /* 0x0180 */ 31/* Some kind of parameters. */ 32/* PARM0, PARM1 : Filter (0xFF000000), SampleRate (0x0000FFFF) */ 33/* PARM2, PARM3 : Still unknown */ 34#define WT_PARM(x,y) (((WT_BAR(x))+ 0x80 +(((x)&0x1f)<<2)+(y))<<2) /* 0x0200 */ 35#define WT_DELAY(x,y) (((WT_BAR(x))+ 0x100 +(((x)&0x1f)<<2)+(y))<<2) /* 0x0400 */ 36 37/* Numeric indexes used by SetReg() and GetReg() */ 38#if 0 39enum { 40 run = 0, /* 0 W 1:run 0:stop */ 41 parm0, /* 1 W filter, samplerate */ 42 parm1, /* 2 W filter, samplerate */ 43 parm2, /* 3 W */ 44 parm3, /* 4 RW volume. This value is calculated using floating point ops. */ 45 sramp, /* 5 W */ 46 mute, /* 6 W 1:mute, 0:unmute */ 47 gmode, /* 7 RO Looks like only bit0 is used. */ 48 aramp, /* 8 W */ 49 mramp, /* 9 W */ 50 ctrl, /* a W */ 51 delay, /* b W All 4 values are written at once with same value. */ 52 dsreg, /* c (R)W */ 53} wt_reg; 54#endif 55 56typedef struct { 57 u32 parm0; /* this_1E4 */ 58 u32 parm1; /* this_1E8 */ 59 u32 parm2; /* this_1EC */ 60 u32 parm3; /* this_1F0 */ 61 u32 this_1D0; 62} wt_voice_t; 63 64#endif /* _AU88X0_WT_H */ 65 66/* End of file */ 67