1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * ADB through the IOP
4 * Written by Joshua M. Thompson
5 */
6
7/* IOP number and channel number for ADB */
8
9#define ADB_IOP		IOP_NUM_ISM
10#define ADB_CHAN	2
11
12/* From the A/UX headers...maybe important, maybe not */
13
14#define ADB_IOP_LISTEN	0x01
15#define ADB_IOP_TALK	0x02
16#define ADB_IOP_EXISTS	0x04
17#define ADB_IOP_FLUSH	0x08
18#define ADB_IOP_RESET	0x10
19#define ADB_IOP_INT	0x20
20#define ADB_IOP_POLL	0x40
21#define ADB_IOP_UNINT	0x80
22
23#define AIF_RESET	0x00
24#define AIF_FLUSH	0x01
25#define AIF_LISTEN	0x08
26#define AIF_TALK	0x0C
27
28/* Flag bits in struct adb_iopmsg */
29
30#define ADB_IOP_EXPLICIT	0x80	/* nonzero if explicit command */
31#define ADB_IOP_AUTOPOLL	0x40	/* auto/SRQ polling enabled    */
32#define ADB_IOP_SET_AUTOPOLL	0x20	/* set autopoll device list    */
33#define ADB_IOP_SRQ		0x04	/* SRQ detected                */
34#define ADB_IOP_TIMEOUT		0x02	/* nonzero if timeout          */
35
36#ifndef __ASSEMBLY__
37
38struct adb_iopmsg {
39	__u8 flags;		/* ADB flags         */
40	__u8 count;		/* no. of data bytes */
41	__u8 cmd;		/* ADB command       */
42	__u8 data[8];		/* ADB data          */
43	__u8 spare[21];		/* spare             */
44};
45
46#endif /* __ASSEMBLY__ */
47