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1 | /* |
2 | * Definitions for ADB (Apple Desktop Bus) support. |
3 | */ |
4 | #ifndef __ADB_H |
5 | #define __ADB_H |
6 | |
7 | #include <uapi/linux/adb.h> |
8 | |
9 | |
10 | struct adb_request { |
11 | unsigned char data[32]; |
12 | int nbytes; |
13 | unsigned char reply[32]; |
14 | int reply_len; |
15 | unsigned char reply_expected; |
16 | unsigned char sent; |
17 | unsigned char complete; |
18 | void (*done)(struct adb_request *); |
19 | void *arg; |
20 | struct adb_request *next; |
21 | }; |
22 | |
23 | struct adb_ids { |
24 | int nids; |
25 | unsigned char id[16]; |
26 | }; |
27 | |
28 | /* Structure which encapsulates a low-level ADB driver */ |
29 | |
30 | struct adb_driver { |
31 | char name[16]; |
32 | int (*probe)(void); |
33 | int (*init)(void); |
34 | int (*send_request)(struct adb_request *req, int sync); |
35 | int (*autopoll)(int devs); |
36 | void (*poll)(void); |
37 | int (*reset_bus)(void); |
38 | }; |
39 | |
40 | /* Values for adb_request flags */ |
41 | #define ADBREQ_REPLY 1 /* expect reply */ |
42 | #define ADBREQ_SYNC 2 /* poll until done */ |
43 | #define ADBREQ_NOSEND 4 /* build the request, but don't send it */ |
44 | |
45 | /* Messages sent thru the client_list notifier. You should NOT stop |
46 | the operation, at least not with this version */ |
47 | enum adb_message { |
48 | ADB_MSG_POWERDOWN, /* Currently called before sleep only */ |
49 | ADB_MSG_PRE_RESET, /* Called before resetting the bus */ |
50 | ADB_MSG_POST_RESET /* Called after resetting the bus (re-do init & register) */ |
51 | }; |
52 | extern struct blocking_notifier_head adb_client_list; |
53 | |
54 | int adb_request(struct adb_request *req, void (*done)(struct adb_request *), |
55 | int flags, int nbytes, ...); |
56 | int adb_register(int default_id,int handler_id,struct adb_ids *ids, |
57 | void (*handler)(unsigned char *, int, int)); |
58 | int adb_unregister(int index); |
59 | void adb_poll(void); |
60 | void adb_input(unsigned char *, int, int); |
61 | int adb_reset_bus(void); |
62 | |
63 | int adb_try_handler_change(int address, int new_id); |
64 | int adb_get_infos(int address, int *original_address, int *handler_id); |
65 | |
66 | #endif /* __ADB_H */ |
67 |
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