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- /* 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 */
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