xref: /openbmc/qemu/include/hw/input/ps2.h (revision 438c78da)
1 /*
2  * QEMU PS/2 keyboard/mouse emulation
3  *
4  * Copyright (C) 2003 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_PS2_H
26 #define HW_PS2_H
27 
28 #define PS2_MOUSE_BUTTON_LEFT   0x01
29 #define PS2_MOUSE_BUTTON_RIGHT  0x02
30 #define PS2_MOUSE_BUTTON_MIDDLE 0x04
31 #define PS2_MOUSE_BUTTON_SIDE   0x08
32 #define PS2_MOUSE_BUTTON_EXTRA  0x10
33 
34 /* ps2.c */
35 void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg);
36 void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg);
37 void ps2_write_mouse(void *, int val);
38 void ps2_write_keyboard(void *, int val);
39 uint32_t ps2_read_data(PS2State *s);
40 void ps2_queue_noirq(PS2State *s, int b);
41 void ps2_raise_irq(PS2State *s);
42 void ps2_queue(PS2State *s, int b);
43 void ps2_queue_2(PS2State *s, int b1, int b2);
44 void ps2_queue_3(PS2State *s, int b1, int b2, int b3);
45 void ps2_queue_4(PS2State *s, int b1, int b2, int b3, int b4);
46 void ps2_keyboard_set_translation(void *opaque, int mode);
47 void ps2_mouse_fake_event(void *opaque);
48 
49 #endif /* HW_PS2_H */
50