[mirror_ubuntu-bionic-kernel.git] / include / linux / adb.h

/*
 * 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 */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Definitions for ADB (Apple Desktop Bus) support.
	3	*/
	4	#ifndef __ADB_H
	5	#define __ADB_H
	6
607ca46e	7	#include <uapi/linux/adb.h>
1da177e4	8
1da177e4 LT	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	};
e041c683	52	extern struct blocking_notifier_head adb_client_list;
1da177e4 LT	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,
7d12e780	57	void (handler)(unsigned char , int, int));
1da177e4 LT	58	int adb_unregister(int index);
1da177e4 LT	59	void adb_poll(void);
7d12e780	60	void adb_input(unsigned char *, int, int);
1da177e4 LT	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
1da177e4	66	#endif /* __ADB_H */