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
38enum {
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
55typedef 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