linux-user: stack_base is now mandatory on all targets
[qemu.git] / hw / 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 #if !defined(__ADB_H__)
27 #define __ADB_H__
28
29 #define MAX_ADB_DEVICES 16
30
31 #define ADB_MAX_OUT_LEN 16
32
33 typedef struct ADBDevice ADBDevice;
34
35 /* buf = NULL means polling */
36 typedef int ADBDeviceRequest(ADBDevice *d, uint8_t *buf_out,
37 const uint8_t *buf, int len);
38 typedef int ADBDeviceReset(ADBDevice *d);
39
40 struct ADBDevice {
41 struct ADBBusState *bus;
42 int devaddr;
43 int handler;
44 ADBDeviceRequest *devreq;
45 ADBDeviceReset *devreset;
46 void *opaque;
47 };
48
49 typedef struct ADBBusState {
50 ADBDevice devices[MAX_ADB_DEVICES];
51 int nb_devices;
52 int poll_index;
53 } ADBBusState;
54
55 int adb_request(ADBBusState *s, uint8_t *buf_out,
56 const uint8_t *buf, int len);
57 int adb_poll(ADBBusState *s, uint8_t *buf_out);
58
59 ADBDevice *adb_register_device(ADBBusState *s, int devaddr,
60 ADBDeviceRequest *devreq,
61 ADBDeviceReset *devreset,
62 void *opaque);
63 void adb_kbd_init(ADBBusState *bus);
64 void adb_mouse_init(ADBBusState *bus);
65
66 extern ADBBusState adb_bus;
67 #endif /* !defined(__ADB_H__) */