xref: /openbmc/qemu/hw/input/adb-internal.h (revision ffe98631)
1 /*
2  * QEMU ADB support
3  *
4  * Copyright (c) 2004 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef HW_INPUT_ADB_INTERNAL_H
26 #define HW_INPUT_ADB_INTERNAL_H
27 
28 /* ADB commands */
29 
30 #define ADB_BUSRESET            0x00
31 #define ADB_FLUSH               0x01
32 #define ADB_WRITEREG            0x08
33 #define ADB_READREG             0x0c
34 
35 /* ADB device commands */
36 
37 #define ADB_CMD_SELF_TEST               0xff
38 #define ADB_CMD_CHANGE_ID               0xfe
39 #define ADB_CMD_CHANGE_ID_AND_ACT       0xfd
40 #define ADB_CMD_CHANGE_ID_AND_ENABLE    0x00
41 
42 /* ADB default device IDs (upper 4 bits of ADB command byte) */
43 
44 #define ADB_DEVID_DONGLE      1
45 #define ADB_DEVID_KEYBOARD    2
46 #define ADB_DEVID_MOUSE       3
47 #define ADB_DEVID_TABLET      4
48 #define ADB_DEVID_MODEM       5
49 #define ADB_DEVID_MISC        7
50 
51 extern const VMStateDescription vmstate_adb_device;
52 
53 #endif
54