diff options
Diffstat (limited to 'kernel/include/linux/adb.h')
-rw-r--r-- | kernel/include/linux/adb.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/kernel/include/linux/adb.h b/kernel/include/linux/adb.h new file mode 100644 index 000000000..cde41300c --- /dev/null +++ b/kernel/include/linux/adb.h @@ -0,0 +1,66 @@ +/* + * 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 */ |