|  | /* | 
|  | * Definitions for ADB (Apple Desktop Bus) support. | 
|  | */ | 
|  | #ifndef __ADB_H | 
|  | #define __ADB_H | 
|  |  | 
|  | #include <uapi/linux/adb.h> | 
|  |  | 
|  |  | 
|  | struct adb_request { | 
|  | unsigned char data[32]; | 
|  | int nbytes; | 
|  | unsigned char reply[32]; | 
|  | int reply_len; | 
|  | unsigned char reply_expected; | 
|  | unsigned char sent; | 
|  | unsigned char complete; | 
|  | void (*done)(struct adb_request *); | 
|  | void *arg; | 
|  | struct adb_request *next; | 
|  | }; | 
|  |  | 
|  | struct adb_ids { | 
|  | int nids; | 
|  | unsigned char id[16]; | 
|  | }; | 
|  |  | 
|  | /* Structure which encapsulates a low-level ADB driver */ | 
|  |  | 
|  | struct adb_driver { | 
|  | char name[16]; | 
|  | int (*probe)(void); | 
|  | int (*init)(void); | 
|  | int (*send_request)(struct adb_request *req, int sync); | 
|  | int (*autopoll)(int devs); | 
|  | void (*poll)(void); | 
|  | int (*reset_bus)(void); | 
|  | }; | 
|  |  | 
|  | /* Values for adb_request flags */ | 
|  | #define ADBREQ_REPLY	1	/* expect reply */ | 
|  | #define ADBREQ_SYNC	2	/* poll until done */ | 
|  | #define ADBREQ_NOSEND	4	/* build the request, but don't send it */ | 
|  |  | 
|  | /* Messages sent thru the client_list notifier. You should NOT stop | 
|  | the operation, at least not with this version */ | 
|  | enum adb_message { | 
|  | ADB_MSG_POWERDOWN,	/* Currently called before sleep only */ | 
|  | ADB_MSG_PRE_RESET,	/* Called before resetting the bus */ | 
|  | ADB_MSG_POST_RESET	/* Called after resetting the bus (re-do init & register) */ | 
|  | }; | 
|  | extern struct blocking_notifier_head adb_client_list; | 
|  |  | 
|  | int adb_request(struct adb_request *req, void (*done)(struct adb_request *), | 
|  | int flags, int nbytes, ...); | 
|  | int adb_register(int default_id,int handler_id,struct adb_ids *ids, | 
|  | void (*handler)(unsigned char *, int, int)); | 
|  | int adb_unregister(int index); | 
|  | void adb_poll(void); | 
|  | void adb_input(unsigned char *, int, int); | 
|  | int adb_reset_bus(void); | 
|  |  | 
|  | int adb_try_handler_change(int address, int new_id); | 
|  | int adb_get_infos(int address, int *original_address, int *handler_id); | 
|  |  | 
|  | #endif /* __ADB_H */ |