1/*
2 * ADB through the IOP
3 * Written by Joshua M. Thompson
4 */
5
6/* IOP number and channel number for ADB */
7
8#define ADB_IOP		IOP_NUM_ISM
9#define ADB_CHAN	2
10
11/* From the A/UX headers...maybe important, maybe not */
12
13#define ADB_IOP_LISTEN	0x01
14#define ADB_IOP_TALK	0x02
15#define ADB_IOP_EXISTS	0x04
16#define ADB_IOP_FLUSH	0x08
17#define ADB_IOP_RESET	0x10
18#define ADB_IOP_INT	0x20
19#define ADB_IOP_POLL	0x40
20#define ADB_IOP_UNINT	0x80
21
22#define AIF_RESET	0x00
23#define AIF_FLUSH	0x01
24#define AIF_LISTEN	0x08
25#define AIF_TALK	0x0C
26
27/* Flag bits in struct adb_iopmsg */
28
29#define ADB_IOP_EXPLICIT	0x80	/* nonzero if explicit command */
30#define ADB_IOP_AUTOPOLL	0x40	/* auto/SRQ polling enabled    */
31#define ADB_IOP_SRQ		0x04	/* SRQ detected                */
32#define ADB_IOP_TIMEOUT		0x02	/* nonzero if timeout          */
33
34#ifndef __ASSEMBLY__
35
36struct adb_iopmsg {
37	__u8 flags;		/* ADB flags         */
38	__u8 count;		/* no. of data bytes */
39	__u8 cmd;		/* ADB command       */
40	__u8 data[8];		/* ADB data          */
41	__u8 spare[21];		/* spare             */
42};
43
44#endif /* __ASSEMBLY__ */
45