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
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