display.c revision 1.16
1 /* $NetBSD: display.c,v 1.16 2012/03/20 18:50:31 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Juergen Hannken-Illjes. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/ioctl.h> 33 #include <sys/time.h> 34 35 #include <dev/wscons/wsconsio.h> 36 37 #include <err.h> 38 #include <errno.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 43 #include "wsconsctl.h" 44 45 static int border; 46 static int dpytype; 47 static struct wsdisplay_usefontdata font; 48 static struct wsdisplay_param backlight; 49 static struct wsdisplay_param brightness; 50 static struct wsdisplay_param contrast; 51 static struct wsdisplay_scroll_data scroll_l; 52 static int msg_default_attrs, msg_default_bg, msg_default_fg; 53 static int msg_kernel_attrs, msg_kernel_bg, msg_kernel_fg; 54 static int splash_enable, splash_progress; 55 56 struct field display_field_tab[] = { 57 { "border", &border, FMT_COLOR, 0 }, 58 { "type", &dpytype, FMT_DPYTYPE, FLG_RDONLY }, 59 { "font", &font.name, FMT_STRING, FLG_WRONLY }, 60 { "backlight", &backlight.curval, FMT_UINT, 0 }, 61 { "brightness", &brightness.curval, FMT_UINT, FLG_MODIFY }, 62 { "contrast", &contrast.curval, FMT_UINT, FLG_MODIFY }, 63 { "scroll.fastlines", &scroll_l.fastlines, FMT_UINT, FLG_MODIFY }, 64 { "scroll.slowlines", &scroll_l.slowlines, FMT_UINT, FLG_MODIFY }, 65 { "msg.default.attrs", &msg_default_attrs, FMT_ATTRS, 0 }, 66 { "msg.default.bg", &msg_default_bg, FMT_COLOR, 0 }, 67 { "msg.default.fg", &msg_default_fg, FMT_COLOR, 0 }, 68 { "msg.kernel.attrs", &msg_kernel_attrs, FMT_ATTRS, 0 }, 69 { "msg.kernel.bg", &msg_kernel_bg, FMT_COLOR, 0 }, 70 { "msg.kernel.fg", &msg_kernel_fg, FMT_COLOR, 0 }, 71 { "splash.enable", &splash_enable, FMT_UINT, FLG_WRONLY }, 72 { "splash.progress", &splash_progress, FMT_UINT, FLG_WRONLY }, 73 }; 74 75 int display_field_tab_len = sizeof(display_field_tab) / 76 sizeof(display_field_tab[0]); 77 78 void 79 display_get_values(int fd) 80 { 81 82 if (field_by_value(&dpytype)->flags & FLG_GET) 83 if (ioctl(fd, WSDISPLAYIO_GTYPE, &dpytype) < 0) 84 err(EXIT_FAILURE, "WSDISPLAYIO_GTYPE"); 85 86 if (field_by_value(&border)->flags & FLG_GET) 87 if (ioctl(fd, WSDISPLAYIO_GBORDER, &border) < 0) 88 field_disable_by_value(&border); 89 90 if (field_by_value(&backlight.curval)->flags & FLG_GET) { 91 backlight.param = WSDISPLAYIO_PARAM_BACKLIGHT; 92 if (ioctl(fd, WSDISPLAYIO_GETPARAM, &backlight) < 0) 93 field_disable_by_value(&backlight.curval); 94 } 95 96 if (field_by_value(&brightness.curval)->flags & FLG_GET) { 97 brightness.param = WSDISPLAYIO_PARAM_BRIGHTNESS; 98 if (ioctl(fd, WSDISPLAYIO_GETPARAM, &brightness)) 99 field_disable_by_value(&brightness.curval); 100 } 101 102 if (field_by_value(&contrast.curval)->flags & FLG_GET) { 103 contrast.param = WSDISPLAYIO_PARAM_CONTRAST; 104 if (ioctl(fd, WSDISPLAYIO_GETPARAM, &contrast)) 105 field_disable_by_value(&contrast.curval); 106 } 107 108 if (field_by_value(&msg_default_attrs)->flags & FLG_GET || 109 field_by_value(&msg_default_bg)->flags & FLG_GET || 110 field_by_value(&msg_default_fg)->flags & FLG_GET || 111 field_by_value(&msg_kernel_attrs)->flags & FLG_GET || 112 field_by_value(&msg_kernel_bg)->flags & FLG_GET || 113 field_by_value(&msg_kernel_fg)->flags & FLG_GET) { 114 struct wsdisplay_msgattrs ma; 115 116 if (ioctl(fd, WSDISPLAYIO_GMSGATTRS, &ma) < 0) { 117 field_disable_by_value(&msg_default_attrs); 118 field_disable_by_value(&msg_default_bg); 119 field_disable_by_value(&msg_default_fg); 120 field_disable_by_value(&msg_kernel_attrs); 121 field_disable_by_value(&msg_kernel_bg); 122 field_disable_by_value(&msg_kernel_fg); 123 } else { 124 msg_default_attrs = ma.default_attrs; 125 if (ma.default_attrs & WSATTR_WSCOLORS) { 126 msg_default_bg = ma.default_bg; 127 msg_default_fg = ma.default_fg; 128 } else 129 msg_default_bg = msg_default_fg = -1; 130 131 msg_kernel_attrs = ma.kernel_attrs; 132 if (ma.kernel_attrs & WSATTR_WSCOLORS) { 133 msg_kernel_bg = ma.kernel_bg; 134 msg_kernel_fg = ma.kernel_fg; 135 } else 136 msg_kernel_bg = msg_kernel_fg = -1; 137 } 138 } 139 140 if (field_by_value(&scroll_l.fastlines)->flags & FLG_GET || 141 field_by_value(&scroll_l.slowlines)->flags & FLG_GET) { 142 if (ioctl(fd, WSDISPLAYIO_DGSCROLL, &scroll_l) < 0) { 143 field_disable_by_value(&scroll_l.fastlines); 144 field_disable_by_value(&scroll_l.slowlines); 145 } 146 } 147 } 148 149 void 150 display_put_values(int fd) 151 { 152 153 if (field_by_value(&font.name)->flags & FLG_SET) { 154 if (ioctl(fd, WSDISPLAYIO_SFONT, &font) < 0) 155 err(EXIT_FAILURE, "WSDISPLAYIO_SFONT"); 156 pr_field(field_by_value(&font.name), " -> "); 157 } 158 159 if (field_by_value(&border)->flags & FLG_SET) { 160 if (ioctl(fd, WSDISPLAYIO_SBORDER, &border) < 0) 161 err(EXIT_FAILURE, "WSDISPLAYIO_SBORDER"); 162 pr_field(field_by_value(&border), " -> "); 163 } 164 165 if (field_by_value(&backlight.curval)->flags & FLG_SET) { 166 backlight.param = WSDISPLAYIO_PARAM_BACKLIGHT; 167 if (ioctl(fd, WSDISPLAYIO_SETPARAM, &backlight) < 0) 168 err(EXIT_FAILURE, "WSDISPLAYIO_PARAM_BACKLIGHT"); 169 pr_field(field_by_value(&backlight.curval), " -> "); 170 } 171 172 if (field_by_value(&brightness.curval)->flags & FLG_SET) { 173 brightness.param = WSDISPLAYIO_PARAM_BRIGHTNESS; 174 if (ioctl(fd, WSDISPLAYIO_SETPARAM, &brightness) < 0) 175 err(EXIT_FAILURE, "WSDISPLAYIO_PARAM_BRIGHTNESS"); 176 pr_field(field_by_value(&brightness.curval), " -> "); 177 } 178 179 if (field_by_value(&contrast.curval)->flags & FLG_SET) { 180 contrast.param = WSDISPLAYIO_PARAM_CONTRAST; 181 if (ioctl(fd, WSDISPLAYIO_SETPARAM, &contrast) < 0) 182 err(EXIT_FAILURE, "WSDISPLAYIO_PARAM_CONTRAST"); 183 pr_field(field_by_value(&contrast.curval), " -> "); 184 } 185 186 if (field_by_value(&splash_enable)->flags & FLG_SET) { 187 if (ioctl(fd, WSDISPLAYIO_SSPLASH, &splash_enable) < 0) 188 err(EXIT_FAILURE, "WSDISPLAYIO_SSPLASH"); 189 pr_field(field_by_value(&splash_enable), " -> "); 190 } 191 192 if (field_by_value(&splash_progress)->flags & FLG_SET) { 193 if (ioctl(fd, WSDISPLAYIO_SPROGRESS, &splash_progress) < 0) 194 err(EXIT_FAILURE, "WSDISPLAYIO_SPROGRESS"); 195 pr_field(field_by_value(&splash_progress), " -> "); 196 } 197 198 if (field_by_value(&msg_default_attrs)->flags & FLG_SET || 199 field_by_value(&msg_default_bg)->flags & FLG_SET || 200 field_by_value(&msg_default_fg)->flags & FLG_SET || 201 field_by_value(&msg_kernel_attrs)->flags & FLG_SET || 202 field_by_value(&msg_kernel_bg)->flags & FLG_SET || 203 field_by_value(&msg_kernel_fg)->flags & FLG_SET) { 204 struct wsdisplay_msgattrs ma; 205 206 if (ioctl(fd, WSDISPLAYIO_GMSGATTRS, &ma) < 0) 207 err(EXIT_FAILURE, "WSDISPLAYIO_GMSGATTRS"); 208 209 if (field_by_value(&msg_default_attrs)->flags & FLG_SET) { 210 ma.default_attrs = msg_default_attrs; 211 pr_field(field_by_value(&msg_default_attrs), " -> "); 212 } 213 if (ma.default_attrs & WSATTR_WSCOLORS) { 214 if (field_by_value(&msg_default_bg)->flags & FLG_SET) { 215 ma.default_bg = msg_default_bg; 216 pr_field(field_by_value(&msg_default_bg), 217 " -> "); 218 } 219 if (field_by_value(&msg_default_fg)->flags & FLG_SET) { 220 ma.default_fg = msg_default_fg; 221 pr_field(field_by_value(&msg_default_fg), 222 " -> "); 223 } 224 } 225 226 if (field_by_value(&msg_kernel_attrs)->flags & FLG_SET) { 227 ma.kernel_attrs = msg_kernel_attrs; 228 pr_field(field_by_value(&msg_kernel_attrs), " -> "); 229 } 230 if (ma.default_attrs & WSATTR_WSCOLORS) { 231 if (field_by_value(&msg_kernel_bg)->flags & FLG_SET) { 232 ma.kernel_bg = msg_kernel_bg; 233 pr_field(field_by_value(&msg_kernel_bg), 234 " -> "); 235 } 236 if (field_by_value(&msg_kernel_fg)->flags & FLG_SET) { 237 ma.kernel_fg = msg_kernel_fg; 238 pr_field(field_by_value(&msg_kernel_fg), 239 " -> "); 240 } 241 } 242 243 if (ioctl(fd, WSDISPLAYIO_SMSGATTRS, &ma) < 0) 244 err(EXIT_FAILURE, "WSDISPLAYIO_SMSGATTRS"); 245 } 246 247 scroll_l.which = 0; 248 if (field_by_value(&scroll_l.fastlines)->flags & FLG_SET) 249 scroll_l.which |= WSDISPLAY_SCROLL_DOFASTLINES; 250 if (field_by_value(&scroll_l.slowlines)->flags & FLG_SET) 251 scroll_l.which |= WSDISPLAY_SCROLL_DOSLOWLINES; 252 if (scroll_l.which != 0 && 253 ioctl(fd, WSDISPLAYIO_DSSCROLL, &scroll_l) < 0) 254 err(EXIT_FAILURE, "WSDISPLAYIO_DSSCROLL"); 255 if (scroll_l.which & WSDISPLAY_SCROLL_DOFASTLINES) 256 pr_field(field_by_value(&scroll_l.fastlines), " -> "); 257 if (scroll_l.which & WSDISPLAY_SCROLL_DOSLOWLINES) 258 pr_field(field_by_value(&scroll_l.slowlines), " -> "); 259 } 260
Indexes created Thu Sep 25 16:09:42 GMT 2025