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