xref: /freebsd/usr.sbin/bhyve/console.c (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b)
1 /*-
2  * Copyright (c) 2015 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/types.h>
31 
32 #include "bhyvegc.h"
33 #include "console.h"
34 
35 static struct {
36 	struct bhyvegc		*gc;
37 
38 	fb_render_func_t	fb_render_cb;
39 	void			*fb_arg;
40 
41 	kbd_event_func_t	kbd_event_cb;
42 	void			*kbd_arg;
43 	int			kbd_priority;
44 
45 	ptr_event_func_t	ptr_event_cb;
46 	void			*ptr_arg;
47 	int			ptr_priority;
48 } console;
49 
50 void
51 console_init(int w, int h, void *fbaddr)
52 {
53 	console.gc = bhyvegc_init(w, h, fbaddr);
54 }
55 
56 void
57 console_set_fbaddr(void *fbaddr)
58 {
59 	bhyvegc_set_fbaddr(console.gc, fbaddr);
60 }
61 
62 struct bhyvegc_image *
63 console_get_image(void)
64 {
65 	struct bhyvegc_image *bhyvegc_image;
66 
67 	bhyvegc_image = bhyvegc_get_image(console.gc);
68 
69 	return (bhyvegc_image);
70 }
71 
72 void
73 console_fb_register(fb_render_func_t render_cb, void *arg)
74 {
75 	console.fb_render_cb = render_cb;
76 	console.fb_arg = arg;
77 }
78 
79 void
80 console_refresh(void)
81 {
82 	if (console.fb_render_cb)
83 		(*console.fb_render_cb)(console.gc, console.fb_arg);
84 }
85 
86 void
87 console_kbd_register(kbd_event_func_t event_cb, void *arg, int pri)
88 {
89 	if (pri > console.kbd_priority) {
90 		console.kbd_event_cb = event_cb;
91 		console.kbd_arg = arg;
92 		console.kbd_priority = pri;
93 	}
94 }
95 
96 void
97 console_ptr_register(ptr_event_func_t event_cb, void *arg, int pri)
98 {
99 	if (pri > console.ptr_priority) {
100 		console.ptr_event_cb = event_cb;
101 		console.ptr_arg = arg;
102 		console.ptr_priority = pri;
103 	}
104 }
105 
106 void
107 console_key_event(int down, uint32_t keysym)
108 {
109 	if (console.kbd_event_cb)
110 		(*console.kbd_event_cb)(down, keysym, console.kbd_arg);
111 }
112 
113 void
114 console_ptr_event(uint8_t button, int x, int y)
115 {
116 	if (console.ptr_event_cb)
117 		(*console.ptr_event_cb)(button, x, y, console.ptr_arg);
118 }
119