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 |
39 | enum { |
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 | |
56 | typedef 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 | |