LXR qemu/include/hw/input/adb.h

   1/*
   2 * QEMU ADB emulation shared definitions and prototypes
   3 *
   4 * Copyright (c) 2004-2007 Fabrice Bellard
   5 * Copyright (c) 2007 Jocelyn Mayer
   6 *
   7 * Permission is hereby granted, free of charge, to any person obtaining a copy
   8 * of this software and associated documentation files (the "Software"), to deal
   9 * in the Software without restriction, including without limitation the rights
  10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 * copies of the Software, and to permit persons to whom the Software is
  12 * furnished to do so, subject to the following conditions:
  13 *
  14 * The above copyright notice and this permission notice shall be included in
  15 * all copies or substantial portions of the Software.
  16 *
  17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23 * THE SOFTWARE.
  24 */
  25
  26#ifndef ADB_H
  27#define ADB_H
  28
  29#include "hw/qdev.h"
  30
  31#define MAX_ADB_DEVICES 16
  32
  33#define ADB_MAX_OUT_LEN 16
  34
  35typedef struct ADBBusState ADBBusState;
  36typedef struct ADBDevice ADBDevice;
  37
  38/* buf = NULL means polling */
  39typedef int ADBDeviceRequest(ADBDevice *d, uint8_t *buf_out,
  40                              const uint8_t *buf, int len);
  41
  42#define TYPE_ADB_DEVICE "adb-device"
  43#define ADB_DEVICE(obj) OBJECT_CHECK(ADBDevice, (obj), TYPE_ADB_DEVICE)
  44
  45struct ADBDevice {
  46    /*< private >*/
  47    DeviceState parent_obj;
  48    /*< public >*/
  49
  50    int devaddr;
  51    int handler;
  52    bool disable_direct_reg3_writes;
  53};
  54
  55#define ADB_DEVICE_CLASS(cls) \
  56    OBJECT_CLASS_CHECK(ADBDeviceClass, (cls), TYPE_ADB_DEVICE)
  57#define ADB_DEVICE_GET_CLASS(obj) \
  58    OBJECT_GET_CLASS(ADBDeviceClass, (obj), TYPE_ADB_DEVICE)
  59
  60typedef struct ADBDeviceClass {
  61    /*< private >*/
  62    DeviceClass parent_class;
  63    /*< public >*/
  64
  65    ADBDeviceRequest *devreq;
  66} ADBDeviceClass;
  67
  68#define TYPE_ADB_BUS "apple-desktop-bus"
  69#define ADB_BUS(obj) OBJECT_CHECK(ADBBusState, (obj), TYPE_ADB_BUS)
  70
  71struct ADBBusState {
  72    /*< private >*/
  73    BusState parent_obj;
  74    /*< public >*/
  75
  76    ADBDevice *devices[MAX_ADB_DEVICES];
  77    int nb_devices;
  78    int poll_index;
  79};
  80
  81int adb_request(ADBBusState *s, uint8_t *buf_out,
  82                const uint8_t *buf, int len);
  83int adb_poll(ADBBusState *s, uint8_t *buf_out, uint16_t poll_mask);
  84
  85#define TYPE_ADB_KEYBOARD "adb-keyboard"
  86#define TYPE_ADB_MOUSE "adb-mouse"
  87
  88#endif /* ADB_H */
  89