console.c revision 302408 
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: stable/11/usr.sbin/bhyve/console.c 302408 2016-07-08 00:04:57Z gjb $");
29
30#include <sys/types.h>
31
32#include "bhyvegc.h"
33#include "console.h"
34
35static 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
50void
51console_init(int w, int h, void *fbaddr)
52{
53	console.gc = bhyvegc_init(w, h, fbaddr);
54}
55
56void
57console_set_fbaddr(void *fbaddr)
58{
59	bhyvegc_set_fbaddr(console.gc, fbaddr);
60}
61
62struct bhyvegc_image *
63console_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
72void
73console_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
79void
80console_refresh(void)
81{
82	if (console.fb_render_cb)
83		(*console.fb_render_cb)(console.gc, console.fb_arg);
84}
85
86void
87console_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
96void
97console_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
106void
107console_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
113void
114console_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