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 */