linux-stable/include/linux/adb.h
David Howells 607ca46e97 UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
2012-10-13 10:46:48 +01:00

66 lines
1.8 KiB
C

/*
* 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 */