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67 lines
1.8 KiB
67 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Definitions for ADB (Apple Desktop Bus) support. |
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*/ |
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#ifndef __ADB_H |
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#define __ADB_H |
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#include <uapi/linux/adb.h> |
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struct adb_request { |
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unsigned char data[32]; |
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int nbytes; |
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unsigned char reply[32]; |
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int reply_len; |
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unsigned char reply_expected; |
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unsigned char sent; |
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unsigned char complete; |
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void (*done)(struct adb_request *); |
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void *arg; |
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struct adb_request *next; |
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}; |
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struct adb_ids { |
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int nids; |
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unsigned char id[16]; |
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}; |
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/* Structure which encapsulates a low-level ADB driver */ |
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struct adb_driver { |
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char name[16]; |
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int (*probe)(void); |
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int (*init)(void); |
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int (*send_request)(struct adb_request *req, int sync); |
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int (*autopoll)(int devs); |
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void (*poll)(void); |
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int (*reset_bus)(void); |
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}; |
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/* Values for adb_request flags */ |
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#define ADBREQ_REPLY 1 /* expect reply */ |
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#define ADBREQ_SYNC 2 /* poll until done */ |
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#define ADBREQ_NOSEND 4 /* build the request, but don't send it */ |
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/* Messages sent thru the client_list notifier. You should NOT stop |
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the operation, at least not with this version */ |
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enum adb_message { |
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ADB_MSG_POWERDOWN, /* Currently called before sleep only */ |
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ADB_MSG_PRE_RESET, /* Called before resetting the bus */ |
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ADB_MSG_POST_RESET /* Called after resetting the bus (re-do init & register) */ |
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}; |
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extern struct blocking_notifier_head adb_client_list; |
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int adb_request(struct adb_request *req, void (*done)(struct adb_request *), |
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int flags, int nbytes, ...); |
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int adb_register(int default_id,int handler_id,struct adb_ids *ids, |
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void (*handler)(unsigned char *, int, int)); |
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int adb_unregister(int index); |
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void adb_poll(void); |
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void adb_input(unsigned char *, int, int); |
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int adb_reset_bus(void); |
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int adb_try_handler_change(int address, int new_id); |
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int adb_get_infos(int address, int *original_address, int *handler_id); |
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#endif /* __ADB_H */
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