GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: sbin/wsconsctl/display.c Lines: 0 130 0.0 %
Date: 2016-12-06 Branches: 0 114 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: display.c,v 1.20 2015/05/08 19:12:51 miod Exp $	*/
2
/*	$NetBSD: display.c,v 1.1 1998/12/28 14:01:16 hannken Exp $ */
3
4
/*-
5
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6
 * All rights reserved.
7
 *
8
 * This code is derived from software contributed to The NetBSD Foundation
9
 * by Juergen Hannken-Illjes.
10
 *
11
 * Redistribution and use in source and binary forms, with or without
12
 * modification, are permitted provided that the following conditions
13
 * are met:
14
 * 1. Redistributions of source code must retain the above copyright
15
 *    notice, this list of conditions and the following disclaimer.
16
 * 2. Redistributions in binary form must reproduce the above copyright
17
 *    notice, this list of conditions and the following disclaimer in the
18
 *    documentation and/or other materials provided with the distribution.
19
 *
20
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30
 * POSSIBILITY OF SUCH DAMAGE.
31
 */
32
33
#include <sys/ioctl.h>
34
#include <sys/time.h>
35
#include <dev/wscons/wsconsio.h>
36
#include <errno.h>
37
#include <fcntl.h>
38
#include <err.h>
39
#include <stdio.h>
40
#include <string.h>
41
#include "wsconsctl.h"
42
43
u_int dpytype;
44
u_int width, height, depth;
45
int focus;
46
struct field_pc brightness, contrast, backlight;
47
int burnon, burnoff, vblank, kbdact, msact, outact;
48
char fontname[WSFONT_NAME_SIZE];
49
struct wsdisplay_emultype emuls;
50
struct wsdisplay_screentype screens;
51
52
struct field display_field_tab[] = {
53
    { "type",		&dpytype,	FMT_DPYTYPE,	FLG_RDONLY },
54
    { "width",		&width,		FMT_UINT,	FLG_RDONLY },
55
    { "height",		&height,	FMT_UINT,	FLG_RDONLY },
56
    { "depth",		&depth,		FMT_UINT,	FLG_RDONLY },
57
    { "emulations",	&emuls,		FMT_EMUL,	FLG_RDONLY },
58
    { "screentypes",	&screens,	FMT_SCREEN,	FLG_RDONLY },
59
    { "focus",		&focus,		FMT_INT,	FLG_NORDBACK },
60
    { "brightness",	&brightness,	FMT_PC,		FLG_MODIFY|FLG_INIT },
61
    { "contrast",	&contrast,	FMT_PC,		FLG_MODIFY|FLG_INIT },
62
    { "backlight",	&backlight,	FMT_PC,		FLG_MODIFY|FLG_INIT },
63
    /* screen burner section, outact MUST BE THE LAST, see the set_values */
64
    { "screen_on",	&burnon,	FMT_UINT,	FLG_MODIFY|FLG_INIT },
65
    { "screen_off",	&burnoff,	FMT_UINT,	FLG_MODIFY|FLG_INIT },
66
    { "vblank",		&vblank,	FMT_BOOL,	FLG_MODIFY|FLG_INIT },
67
    { "kbdact",		&kbdact,	FMT_BOOL,	FLG_MODIFY|FLG_INIT },
68
    { "msact",		&msact,		FMT_BOOL,	FLG_MODIFY|FLG_INIT },
69
    { "outact",		&outact,	FMT_BOOL,	FLG_MODIFY|FLG_INIT },
70
    { "font",		fontname,	FMT_STRING,	FLG_WRONLY },
71
    { NULL }
72
};
73
74
#define	fillioctl(n)	{ cmd = n; cmd_str = #n; }
75
76
void
77
display_get_values(int fd)
78
{
79
	struct wsdisplay_addscreendata gscr;
80
	struct wsdisplay_param param;
81
	struct wsdisplay_burner burners;
82
	struct wsdisplay_fbinfo fbinfo;
83
	struct field *pf;
84
	const char *cmd_str;
85
	void *ptr;
86
	unsigned long cmd;
87
	int bon = 0, fbon = 0;
88
89
	focus = gscr.idx = -1;
90
	for (pf = display_field_tab; pf->name; pf++) {
91
92
		if (!(pf->flags & FLG_GET) || pf->flags & FLG_DEAD)
93
			continue;
94
95
		ptr = pf->valp;
96
97
		if (ptr == &dpytype) {
98
			fillioctl(WSDISPLAYIO_GTYPE);
99
		} else if (ptr == &focus) {
100
			fillioctl(WSDISPLAYIO_GETSCREEN);
101
			ptr = &gscr;
102
		} else if (ptr == &emuls) {
103
			fillioctl(WSDISPLAYIO_GETEMULTYPE);
104
			emuls.idx=0;
105
		} else if (ptr == &screens) {
106
			fillioctl(WSDISPLAYIO_GETSCREENTYPE);
107
			screens.idx=0;
108
		} else if (ptr == &brightness) {
109
			ptr = &param;
110
			param.param = WSDISPLAYIO_PARAM_BRIGHTNESS;
111
		} else if (ptr == &contrast) {
112
			ptr = &param;
113
			param.param = WSDISPLAYIO_PARAM_CONTRAST;
114
		} else if (ptr == &backlight) {
115
			ptr = &param;
116
			param.param = WSDISPLAYIO_PARAM_BACKLIGHT;
117
		} else if (ptr == &burnon || ptr == &burnoff ||
118
			   ptr == &vblank || ptr == &kbdact ||
119
			   ptr == &outact || ptr == &msact) {
120
			fillioctl(WSDISPLAYIO_GBURNER);
121
			ptr = &burners;
122
			if (!bon)
123
				bzero(&burners, sizeof(burners));
124
		} else if (ptr == &height || ptr == &width ||
125
			   ptr == &depth) {
126
			fillioctl(WSDISPLAYIO_GINFO);
127
			ptr = &fbinfo;
128
			if (!fbon)
129
				bzero(&fbinfo, sizeof(fbinfo));
130
		} else
131
			cmd = 0;
132
133
		if (ptr == &param) {
134
			fillioctl(WSDISPLAYIO_GETPARAM);
135
		}
136
137
		if ((cmd != WSDISPLAYIO_GBURNER && cmd != WSDISPLAYIO_GINFO) ||
138
		    (cmd == WSDISPLAYIO_GBURNER && !bon) ||
139
		    (cmd == WSDISPLAYIO_GINFO && !fbon)) {
140
			errno = ENOTTY;
141
			if (!cmd || ioctl(fd, cmd, ptr) < 0) {
142
				if (errno == ENOTTY) {
143
					pf->flags |= FLG_DEAD;
144
					continue;
145
				} else
146
					warn("%s", cmd_str);
147
			}
148
		}
149
150
		if (ptr == &burners) {
151
			if (!bon) {
152
				burnon = burners.on;
153
				burnoff = burners.off;
154
				vblank = burners.flags & WSDISPLAY_BURN_VBLANK;
155
				kbdact = burners.flags & WSDISPLAY_BURN_KBD;
156
				msact = burners.flags & WSDISPLAY_BURN_MOUSE;
157
				outact = burners.flags & WSDISPLAY_BURN_OUTPUT;
158
			}
159
			bon++;
160
		} else if (ptr == &fbinfo) {
161
			if (!fbon) {
162
				width = fbinfo.width;
163
				height = fbinfo.height;
164
				depth = fbinfo.depth;
165
			}
166
			fbon++;
167
		} else if (ptr == &emuls) {
168
			emuls.idx=fd;
169
		} else if (ptr == &screens) {
170
			screens.idx=fd;
171
		} else if (ptr == &param) {
172
			struct field_pc *pc = pf->valp;
173
174
			pc->min = param.min;
175
			pc->cur = param.curval;
176
			pc->max = param.max;
177
		} else if (ptr == &gscr)
178
			focus = gscr.idx;
179
	}
180
}
181
182
int
183
display_put_values(int fd)
184
{
185
	struct wsdisplay_param param;
186
	struct wsdisplay_burner burners;
187
	struct wsdisplay_font font;
188
	struct field *pf;
189
	const char *cmd_str;
190
	void *ptr;
191
	unsigned long cmd;
192
	int id;
193
194
	for (pf = display_field_tab; pf->name; pf++) {
195
196
		if (!(pf->flags & FLG_SET) || pf->flags & FLG_DEAD)
197
			continue;
198
199
		ptr = pf->valp;
200
201
		if (ptr == &focus) {
202
			fillioctl(WSDISPLAYIO_SETSCREEN);
203
		} else if (ptr == &brightness) {
204
			ptr = &param;
205
			id = WSDISPLAYIO_PARAM_BRIGHTNESS;
206
		} else if (ptr == &contrast) {
207
			ptr = &param;
208
			id = WSDISPLAYIO_PARAM_CONTRAST;
209
		} else if (ptr == &backlight) {
210
			ptr = &param;
211
			id = WSDISPLAYIO_PARAM_BACKLIGHT;
212
		} else if (ptr == &burnon || ptr == &burnoff ||
213
			   ptr == &vblank || ptr == &kbdact ||
214
			   ptr == &outact || ptr == &msact) {
215
216
			bzero(&burners, sizeof(burners));
217
			burners.on = burnon;
218
			burners.off = burnoff;
219
			if (vblank)
220
				burners.flags |= WSDISPLAY_BURN_VBLANK;
221
			else
222
				burners.flags &= ~WSDISPLAY_BURN_VBLANK;
223
			if (kbdact)
224
				burners.flags |= WSDISPLAY_BURN_KBD;
225
			else
226
				burners.flags &= ~WSDISPLAY_BURN_KBD;
227
			if (msact)
228
				burners.flags |= WSDISPLAY_BURN_MOUSE;
229
			else
230
				burners.flags &= ~WSDISPLAY_BURN_MOUSE;
231
			if (outact)
232
				burners.flags |= WSDISPLAY_BURN_OUTPUT;
233
			else
234
				burners.flags &= ~WSDISPLAY_BURN_OUTPUT;
235
236
			fillioctl(WSDISPLAYIO_SBURNER);
237
			ptr = &burners;
238
		} else if (ptr == fontname) {
239
			bzero(&font, sizeof(font));
240
			strlcpy(font.name, ptr, sizeof font.name);
241
			fillioctl(WSDISPLAYIO_USEFONT);
242
		} else
243
			cmd = 0;
244
245
		if (ptr == &param) {
246
			struct field_pc *pc = pf->valp;
247
248
			bzero(&param, sizeof(param));
249
			param.param = id;
250
			param.min = pc->min;
251
			param.curval = pc->cur;
252
			param.max = pc->max;
253
			fillioctl(WSDISPLAYIO_SETPARAM);
254
		}
255
256
		errno = ENOTTY;
257
		if (!cmd || ioctl(fd, cmd, ptr) < 0) {
258
			if (errno == ENOTTY) {
259
				pf->flags |= FLG_DEAD;
260
				continue;
261
			} else {
262
				warn("%s", cmd_str);
263
				return 1;
264
			}
265
		}
266
	}
267
268
	return 0;
269
}
270
271
char *
272
display_next_device(int index)
273
{
274
	static char devname[20];
275
276
	if (index > 7)
277
		return (NULL);
278
279
	snprintf(devname, sizeof(devname), "/dev/tty%c0", index + 'C');
280
	return (devname);
281
}