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
38 struct 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
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