Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Definitions for ADB (Apple Desktop Bus) support. |
| 3 | */ |
| 4 | #ifndef __ADB_H |
| 5 | #define __ADB_H |
| 6 | |
David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 7 | #include <uapi/linux/adb.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | }; |
Alan Stern | e041c68 | 2006-03-27 01:16:30 -0800 | [diff] [blame] | 52 | extern struct blocking_notifier_head adb_client_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 57 | void (*handler)(unsigned char *, int, int)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | int adb_unregister(int index); |
| 59 | void adb_poll(void); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 60 | void adb_input(unsigned char *, int, int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | #endif /* __ADB_H */ |