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