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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Definitions for ADB (Apple Desktop Bus) support.4 */5#ifndef __ADB_H6#define __ADB_H7 8#include <uapi/linux/adb.h>9 10 11struct adb_request {12 unsigned char data[32];13 int nbytes;14 unsigned char reply[32];15 int reply_len;16 unsigned char reply_expected;17 unsigned char sent;18 unsigned char complete;19 void (*done)(struct adb_request *);20 void *arg;21 struct adb_request *next;22};23 24struct adb_ids {25 int nids;26 unsigned char id[16];27};28 29/* Structure which encapsulates a low-level ADB driver */30 31struct adb_driver {32 char name[16];33 int (*probe)(void);34 int (*init)(void);35 int (*send_request)(struct adb_request *req, int sync);36 int (*autopoll)(int devs);37 void (*poll)(void);38 int (*reset_bus)(void);39};40 41/* Values for adb_request flags */42#define ADBREQ_REPLY 1 /* expect reply */43#define ADBREQ_SYNC 2 /* poll until done */44#define ADBREQ_NOSEND 4 /* build the request, but don't send it */45 46/* Messages sent thru the client_list notifier. You should NOT stop47 the operation, at least not with this version */48enum adb_message {49 ADB_MSG_POWERDOWN, /* Currently called before sleep only */50 ADB_MSG_PRE_RESET, /* Called before resetting the bus */51 ADB_MSG_POST_RESET /* Called after resetting the bus (re-do init & register) */52};53extern struct blocking_notifier_head adb_client_list;54 55int adb_request(struct adb_request *req, void (*done)(struct adb_request *),56 int flags, int nbytes, ...);57int adb_register(int default_id,int handler_id,struct adb_ids *ids,58 void (*handler)(unsigned char *, int, int));59int adb_unregister(int index);60void adb_poll(void);61void adb_input(unsigned char *, int, int);62int adb_reset_bus(void);63 64int adb_try_handler_change(int address, int new_id);65int adb_get_infos(int address, int *original_address, int *handler_id);66 67#endif /* __ADB_H */68