File: /usr/src/linux/include/asm-m68k/adb_iop.h

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     
36     struct 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