LXR linux/include/linux/adb.h

   1/*
   2 * Definitions for ADB (Apple Desktop Bus) support.
   3 */
   4#ifndef __ADB_H
   5#define __ADB_H
   6
   7#include <uapi/linux/adb.h>
   8
   9
  10struct 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
  23struct adb_ids {
  24        int nids;
  25        unsigned char id[16];
  26};
  27
  28/* Structure which encapsulates a low-level ADB driver */
  29
  30struct 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 */
  47enum 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};
  52extern struct blocking_notifier_head adb_client_list;
  53
  54int adb_request(struct adb_request *req, void (*done)(struct adb_request *),
  55                int flags, int nbytes, ...);
  56int adb_register(int default_id,int handler_id,struct adb_ids *ids,
  57                 void (*handler)(unsigned char *, int, int));
  58int adb_unregister(int index);
  59void adb_poll(void);
  60void adb_input(unsigned char *, int, int);
  61int adb_reset_bus(void);
  62
  63int adb_try_handler_change(int address, int new_id);
  64int adb_get_infos(int address, int *original_address, int *handler_id);
  65
  66#endif /* __ADB_H */
  67