summaryrefslogtreecommitdiffstats
path: root/include/asm-m68k/adb_iop.h
blob: 8a48e56f2d62cab6e90562bf0e0bab87dd759268 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/*
 * ADB through the IOP
 * Written by Joshua M. Thompson
 */

/* IOP number and channel number for ADB */

#define ADB_IOP		IOP_NUM_ISM
#define ADB_CHAN	2

/* From the A/UX headers...maybe important, maybe not */

#define ADB_IOP_LISTEN	0x01
#define ADB_IOP_TALK	0x02
#define ADB_IOP_EXISTS	0x04
#define ADB_IOP_FLUSH	0x08
#define ADB_IOP_RESET	0x10
#define ADB_IOP_INT	0x20
#define ADB_IOP_POLL	0x40
#define ADB_IOP_UNINT	0x80

#define AIF_RESET	0x00
#define AIF_FLUSH	0x01
#define AIF_LISTEN	0x08
#define AIF_TALK	0x0C

/* Flag bits in struct adb_iopmsg */

#define ADB_IOP_EXPLICIT	0x80	/* nonzero if explicit command */
#define ADB_IOP_AUTOPOLL	0x40	/* auto/SRQ polling enabled    */
#define ADB_IOP_SRQ		0x04	/* SRQ detected                */
#define ADB_IOP_TIMEOUT		0x02	/* nonzero if timeout          */

#ifndef __ASSEMBLY__

struct adb_iopmsg {
	__u8 flags;		/* ADB flags         */
	__u8 count;		/* no. of data bytes */
	__u8 cmd;		/* ADB command       */
	__u8 data[8];		/* ADB data          */
	__u8 spare[21];		/* spare             */
};

#endif /* __ASSEMBLY__ */