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Edit File: adb.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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 */