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-core.h"
  30#include "qom/object.h"
  31
  32#define MAX_ADB_DEVICES 16
  33
  34#define ADB_MAX_OUT_LEN 16
  35
  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
  42typedef bool ADBDeviceHasData(ADBDevice *d);
  43
  44#define TYPE_ADB_DEVICE "adb-device"
  45OBJECT_DECLARE_TYPE(ADBDevice, ADBDeviceClass, ADB_DEVICE)
  46
  47struct ADBDevice {
  48    /*< private >*/
  49    DeviceState parent_obj;
  50    /*< public >*/
  51
  52    int devaddr;
  53    int handler;
  54};
  55
  56
  57struct ADBDeviceClass {
  58    /*< private >*/
  59    DeviceClass parent_class;
  60    /*< public >*/
  61
  62    ADBDeviceRequest *devreq;
  63    ADBDeviceHasData *devhasdata;
  64};
  65
  66#define TYPE_ADB_BUS "apple-desktop-bus"
  67OBJECT_DECLARE_SIMPLE_TYPE(ADBBusState, ADB_BUS)
  68
  69#define ADB_STATUS_BUSTIMEOUT  0x1
  70#define ADB_STATUS_POLLREPLY   0x2
  71
  72struct ADBBusState {
  73    /*< private >*/
  74    BusState parent_obj;
  75    /*< public >*/
  76
  77    ADBDevice *devices[MAX_ADB_DEVICES];
  78    uint16_t pending;
  79    int nb_devices;
  80    int poll_index;
  81    uint8_t status;
  82
  83    QEMUTimer *autopoll_timer;
  84    bool autopoll_enabled;
  85    bool autopoll_blocked;
  86    uint8_t autopoll_rate_ms;
  87    uint16_t autopoll_mask;
  88    void (*autopoll_cb)(void *opaque);
  89    void *autopoll_cb_opaque;
  90};
  91
  92int adb_request(ADBBusState *s, uint8_t *buf_out,
  93                const uint8_t *buf, int len);
  94int adb_poll(ADBBusState *s, uint8_t *buf_out, uint16_t poll_mask);
  95
  96void adb_autopoll_block(ADBBusState *s);
  97void adb_autopoll_unblock(ADBBusState *s);
  98
  99void adb_set_autopoll_enabled(ADBBusState *s, bool enabled);
 100void adb_set_autopoll_rate_ms(ADBBusState *s, int rate_ms);
 101void adb_set_autopoll_mask(ADBBusState *s, uint16_t mask);
 102void adb_register_autopoll_callback(ADBBusState *s, void (*cb)(void *opaque),
 103                                    void *opaque);
 104
 105#define TYPE_ADB_KEYBOARD "adb-keyboard"
 106#define TYPE_ADB_MOUSE "adb-mouse"
 107
 108#endif /* ADB_H */
 109