2 * Definitions for ADB (Apple Desktop Bus) support.
9 #define ADB_FLUSH(id) (0x01 | ((id) << 4))
10 #define ADB_WRITEREG(id, reg) (0x08 | (reg) | ((id) << 4))
11 #define ADB_READREG(id, reg) (0x0C | (reg) | ((id) << 4))
13 /* ADB default device IDs (upper 4 bits of ADB command byte) */
14 #define ADB_DONGLE 1 /* "software execution control" devices */
15 #define ADB_KEYBOARD 2
19 #define ADB_MISC 7 /* maybe a monitor */
22 #define ADB_RET_TIMEOUT 3
24 /* The kind of ADB request. The controller may emulate some
25 or all of those CUDA/PMU packet kinds */
28 #define ERROR_PACKET 2
29 #define TIMER_PACKET 3
30 #define POWER_PACKET 4
31 #define MACIIC_PACKET 5
37 /* ADB_QUERY_GETDEVINFO
38 * Query ADB slot for device presence
39 * data[2] = id, rep[0] = orig addr, rep[1] = handler_id
41 #define ADB_QUERY_GETDEVINFO 1
46 unsigned char data[32];
48 unsigned char reply[32];
50 unsigned char reply_expected;
52 unsigned char complete;
53 void (*done)(struct adb_request *);
55 struct adb_request *next;
63 /* Structure which encapsulates a low-level ADB driver */
69 int (*send_request)(struct adb_request *req, int sync);
70 int (*autopoll)(int devs);
72 int (*reset_bus)(void);
75 /* Values for adb_request flags */
76 #define ADBREQ_REPLY 1 /* expect reply */
77 #define ADBREQ_SYNC 2 /* poll until done */
78 #define ADBREQ_NOSEND 4 /* build the request, but don't send it */
80 /* Messages sent thru the client_list notifier. You should NOT stop
81 the operation, at least not with this version */
83 ADB_MSG_POWERDOWN, /* Currently called before sleep only */
84 ADB_MSG_PRE_RESET, /* Called before resetting the bus */
85 ADB_MSG_POST_RESET /* Called after resetting the bus (re-do init & register) */
87 extern struct blocking_notifier_head adb_client_list;
89 int adb_request(struct adb_request *req, void (*done)(struct adb_request *),
90 int flags, int nbytes, ...);
91 int adb_register(int default_id,int handler_id,struct adb_ids *ids,
92 void (*handler)(unsigned char *, int, int));
93 int adb_unregister(int index);
95 void adb_input(unsigned char *, int, int);
96 int adb_reset_bus(void);
98 int adb_try_handler_change(int address, int new_id);
99 int adb_get_infos(int address, int *original_address, int *handler_id);
101 #endif /* __KERNEL__ */