xref: /freebsd/usr.sbin/bhyve/console.c (revision 3c4ba5f55438f7afd4f4b0b56f88f2bb505fd6a6)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2015 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/types.h>
33 
34 #include "bhyvegc.h"
35 #include "console.h"
36 
37 static struct {
38 	struct bhyvegc		*gc;
39 
40 	fb_render_func_t	fb_render_cb;
41 	void			*fb_arg;
42 
43 	kbd_event_func_t	kbd_event_cb;
44 	void			*kbd_arg;
45 	int			kbd_priority;
46 
47 	ptr_event_func_t	ptr_event_cb;
48 	void			*ptr_arg;
49 	int			ptr_priority;
50 } console;
51 
52 void
53 console_init(int w, int h, void *fbaddr)
54 {
55 	console.gc = bhyvegc_init(w, h, fbaddr);
56 }
57 
58 void
59 console_set_fbaddr(void *fbaddr)
60 {
61 	bhyvegc_set_fbaddr(console.gc, fbaddr);
62 }
63 
64 struct bhyvegc_image *
65 console_get_image(void)
66 {
67 	struct bhyvegc_image *bhyvegc_image;
68 
69 	bhyvegc_image = bhyvegc_get_image(console.gc);
70 
71 	return (bhyvegc_image);
72 }
73 
74 void
75 console_fb_register(fb_render_func_t render_cb, void *arg)
76 {
77 	console.fb_render_cb = render_cb;
78 	console.fb_arg = arg;
79 }
80 
81 void
82 console_refresh(void)
83 {
84 	if (console.fb_render_cb)
85 		(*console.fb_render_cb)(console.gc, console.fb_arg);
86 }
87 
88 void
89 console_kbd_register(kbd_event_func_t event_cb, void *arg, int pri)
90 {
91 	if (pri > console.kbd_priority) {
92 		console.kbd_event_cb = event_cb;
93 		console.kbd_arg = arg;
94 		console.kbd_priority = pri;
95 	}
96 }
97 
98 void
99 console_ptr_register(ptr_event_func_t event_cb, void *arg, int pri)
100 {
101 	if (pri > console.ptr_priority) {
102 		console.ptr_event_cb = event_cb;
103 		console.ptr_arg = arg;
104 		console.ptr_priority = pri;
105 	}
106 }
107 
108 void
109 console_key_event(int down, uint32_t keysym, uint32_t keycode)
110 {
111 	if (console.kbd_event_cb)
112 		(*console.kbd_event_cb)(down, keysym, keycode, console.kbd_arg);
113 }
114 
115 void
116 console_ptr_event(uint8_t button, int x, int y)
117 {
118 	if (console.ptr_event_cb)
119 		(*console.ptr_event_cb)(button, x, y, console.ptr_arg);
120 }
121