1 /* $NetBSD: display.c,v 1.17 2021/12/25 13:54:13 mlelstv 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 struct wsdisplayio_edid_info edid_info; 53 static uint8_t edid_buf[256]; 54 static int msg_default_attrs, msg_default_bg, msg_default_fg; 55 static int msg_kernel_attrs, msg_kernel_bg, msg_kernel_fg; 56 static int splash_enable, splash_progress; 57 58 struct field display_field_tab[] = { 59 { "border", &border, FMT_COLOR, 0 }, 60 { "type", &dpytype, FMT_DPYTYPE, FLG_RDONLY }, 61 { "font", &font.name, FMT_STRING, FLG_WRONLY }, 62 { "backlight", &backlight.curval, FMT_UINT, 0 }, 63 { "brightness", &brightness.curval, FMT_UINT, FLG_MODIFY }, 64 { "contrast", &contrast.curval, FMT_UINT, FLG_MODIFY }, 65 { "scroll.fastlines", &scroll_l.fastlines, FMT_UINT, FLG_MODIFY }, 66 { "scroll.slowlines", &scroll_l.slowlines, FMT_UINT, FLG_MODIFY }, 67 { "edid", &edid_info, FMT_EDID, FLG_RDONLY|FLG_NOAUTO }, 68 { "msg.default.attrs", &msg_default_attrs, FMT_ATTRS, 0 }, 69 { "msg.default.bg", &msg_default_bg, FMT_COLOR, 0 }, 70 { "msg.default.fg", &msg_default_fg, FMT_COLOR, 0 }, 71 { "msg.kernel.attrs", &msg_kernel_attrs, FMT_ATTRS, 0 }, 72 { "msg.kernel.bg", &msg_kernel_bg, FMT_COLOR, 0 }, 73 { "msg.kernel.fg", &msg_kernel_fg, FMT_COLOR, 0 }, 74 { "splash.enable", &splash_enable, FMT_UINT, FLG_WRONLY }, 75 { "splash.progress", &splash_progress, FMT_UINT, FLG_WRONLY }, 76 }; 77 78 int display_field_tab_len = sizeof(display_field_tab) / 79 sizeof(display_field_tab[0]); 80 81 void 82 display_get_values(int fd) 83 { 84 85 if (field_by_value(&dpytype)->flags & FLG_GET) 86 if (ioctl(fd, WSDISPLAYIO_GTYPE, &dpytype) < 0) 87 err(EXIT_FAILURE, "WSDISPLAYIO_GTYPE"); 88 89 if (field_by_value(&border)->flags & FLG_GET) 90 if (ioctl(fd, WSDISPLAYIO_GBORDER, &border) < 0) 91 field_disable_by_value(&border); 92 93 if (field_by_value(&backlight.curval)->flags & FLG_GET) { 94 backlight.param = WSDISPLAYIO_PARAM_BACKLIGHT; 95 if (ioctl(fd, WSDISPLAYIO_GETPARAM, &backlight) < 0) 96 field_disable_by_value(&backlight.curval); 97 } 98 99 if (field_by_value(&brightness.curval)->flags & FLG_GET) { 100 brightness.param = WSDISPLAYIO_PARAM_BRIGHTNESS; 101 if (ioctl(fd, WSDISPLAYIO_GETPARAM, &brightness)) 102 field_disable_by_value(&brightness.curval); 103 } 104 105 if (field_by_value(&contrast.curval)->flags & FLG_GET) { 106 contrast.param = WSDISPLAYIO_PARAM_CONTRAST; 107 if (ioctl(fd, WSDISPLAYIO_GETPARAM, &contrast)) 108 field_disable_by_value(&contrast.curval); 109 } 110 111 if (field_by_value(&msg_default_attrs)->flags & FLG_GET || 112 field_by_value(&msg_default_bg)->flags & FLG_GET || 113 field_by_value(&msg_default_fg)->flags & FLG_GET || 114 field_by_value(&msg_kernel_attrs)->flags & FLG_GET || 115 field_by_value(&msg_kernel_bg)->flags & FLG_GET || 116 field_by_value(&msg_kernel_fg)->flags & FLG_GET) { 117 struct wsdisplay_msgattrs ma; 118 119 if (ioctl(fd, WSDISPLAYIO_GMSGATTRS, &ma) < 0) { 120 field_disable_by_value(&msg_default_attrs); 121 field_disable_by_value(&msg_default_bg); 122 field_disable_by_value(&msg_default_fg); 123 field_disable_by_value(&msg_kernel_attrs); 124 field_disable_by_value(&msg_kernel_bg); 125 field_disable_by_value(&msg_kernel_fg); 126 } else { 127 msg_default_attrs = ma.default_attrs; 128 if (ma.default_attrs & WSATTR_WSCOLORS) { 129 msg_default_bg = ma.default_bg; 130 msg_default_fg = ma.default_fg; 131 } else 132 msg_default_bg = msg_default_fg = -1; 133 134 msg_kernel_attrs = ma.kernel_attrs; 135 if (ma.kernel_attrs & WSATTR_WSCOLORS) { 136 msg_kernel_bg = ma.kernel_bg; 137 msg_kernel_fg = ma.kernel_fg; 138 } else 139 msg_kernel_bg = msg_kernel_fg = -1; 140 } 141 } 142 143 if (field_by_value(&scroll_l.fastlines)->flags & FLG_GET || 144 field_by_value(&scroll_l.slowlines)->flags & FLG_GET) { 145 if (ioctl(fd, WSDISPLAYIO_DGSCROLL, &scroll_l) < 0) { 146 field_disable_by_value(&scroll_l.fastlines); 147 field_disable_by_value(&scroll_l.slowlines); 148 } 149 } 150 151 if (field_by_value(&edid_info)->flags & FLG_GET) { 152 edid_info.edid_data = edid_buf; 153 edid_info.buffer_size = sizeof(edid_buf); 154 if (ioctl(fd, WSDISPLAYIO_GET_EDID, &edid_info) < 0) { 155 field_disable_by_value(&edid_info); 156 } 157 } 158 } 159 160 void 161 display_put_values(int fd) 162 { 163 164 if (field_by_value(&font.name)->flags & FLG_SET) { 165 if (ioctl(fd, WSDISPLAYIO_SFONT, &font) < 0) 166 err(EXIT_FAILURE, "WSDISPLAYIO_SFONT"); 167 pr_field(field_by_value(&font.name), " -> "); 168 } 169 170 if (field_by_value(&border)->flags & FLG_SET) { 171 if (ioctl(fd, WSDISPLAYIO_SBORDER, &border) < 0) 172 err(EXIT_FAILURE, "WSDISPLAYIO_SBORDER"); 173 pr_field(field_by_value(&border), " -> "); 174 } 175 176 if (field_by_value(&backlight.curval)->flags & FLG_SET) { 177 backlight.param = WSDISPLAYIO_PARAM_BACKLIGHT; 178 if (ioctl(fd, WSDISPLAYIO_SETPARAM, &backlight) < 0) 179 err(EXIT_FAILURE, "WSDISPLAYIO_PARAM_BACKLIGHT"); 180 pr_field(field_by_value(&backlight.curval), " -> "); 181 } 182 183 if (field_by_value(&brightness.curval)->flags & FLG_SET) { 184 brightness.param = WSDISPLAYIO_PARAM_BRIGHTNESS; 185 if (ioctl(fd, WSDISPLAYIO_SETPARAM, &brightness) < 0) 186 err(EXIT_FAILURE, "WSDISPLAYIO_PARAM_BRIGHTNESS"); 187 pr_field(field_by_value(&brightness.curval), " -> "); 188 } 189 190 if (field_by_value(&contrast.curval)->flags & FLG_SET) { 191 contrast.param = WSDISPLAYIO_PARAM_CONTRAST; 192 if (ioctl(fd, WSDISPLAYIO_SETPARAM, &contrast) < 0) 193 err(EXIT_FAILURE, "WSDISPLAYIO_PARAM_CONTRAST"); 194 pr_field(field_by_value(&contrast.curval), " -> "); 195 } 196 197 if (field_by_value(&splash_enable)->flags & FLG_SET) { 198 if (ioctl(fd, WSDISPLAYIO_SSPLASH, &splash_enable) < 0) 199 err(EXIT_FAILURE, "WSDISPLAYIO_SSPLASH"); 200 pr_field(field_by_value(&splash_enable), " -> "); 201 } 202 203 if (field_by_value(&splash_progress)->flags & FLG_SET) { 204 if (ioctl(fd, WSDISPLAYIO_SPROGRESS, &splash_progress) < 0) 205 err(EXIT_FAILURE, "WSDISPLAYIO_SPROGRESS"); 206 pr_field(field_by_value(&splash_progress), " -> "); 207 } 208 209 if (field_by_value(&msg_default_attrs)->flags & FLG_SET || 210 field_by_value(&msg_default_bg)->flags & FLG_SET || 211 field_by_value(&msg_default_fg)->flags & FLG_SET || 212 field_by_value(&msg_kernel_attrs)->flags & FLG_SET || 213 field_by_value(&msg_kernel_bg)->flags & FLG_SET || 214 field_by_value(&msg_kernel_fg)->flags & FLG_SET) { 215 struct wsdisplay_msgattrs ma; 216 217 if (ioctl(fd, WSDISPLAYIO_GMSGATTRS, &ma) < 0) 218 err(EXIT_FAILURE, "WSDISPLAYIO_GMSGATTRS"); 219 220 if (field_by_value(&msg_default_attrs)->flags & FLG_SET) { 221 ma.default_attrs = msg_default_attrs; 222 pr_field(field_by_value(&msg_default_attrs), " -> "); 223 } 224 if (ma.default_attrs & WSATTR_WSCOLORS) { 225 if (field_by_value(&msg_default_bg)->flags & FLG_SET) { 226 ma.default_bg = msg_default_bg; 227 pr_field(field_by_value(&msg_default_bg), 228 " -> "); 229 } 230 if (field_by_value(&msg_default_fg)->flags & FLG_SET) { 231 ma.default_fg = msg_default_fg; 232 pr_field(field_by_value(&msg_default_fg), 233 " -> "); 234 } 235 } 236 237 if (field_by_value(&msg_kernel_attrs)->flags & FLG_SET) { 238 ma.kernel_attrs = msg_kernel_attrs; 239 pr_field(field_by_value(&msg_kernel_attrs), " -> "); 240 } 241 if (ma.default_attrs & WSATTR_WSCOLORS) { 242 if (field_by_value(&msg_kernel_bg)->flags & FLG_SET) { 243 ma.kernel_bg = msg_kernel_bg; 244 pr_field(field_by_value(&msg_kernel_bg), 245 " -> "); 246 } 247 if (field_by_value(&msg_kernel_fg)->flags & FLG_SET) { 248 ma.kernel_fg = msg_kernel_fg; 249 pr_field(field_by_value(&msg_kernel_fg), 250 " -> "); 251 } 252 } 253 254 if (ioctl(fd, WSDISPLAYIO_SMSGATTRS, &ma) < 0) 255 err(EXIT_FAILURE, "WSDISPLAYIO_SMSGATTRS"); 256 } 257 258 scroll_l.which = 0; 259 if (field_by_value(&scroll_l.fastlines)->flags & FLG_SET) 260 scroll_l.which |= WSDISPLAY_SCROLL_DOFASTLINES; 261 if (field_by_value(&scroll_l.slowlines)->flags & FLG_SET) 262 scroll_l.which |= WSDISPLAY_SCROLL_DOSLOWLINES; 263 if (scroll_l.which != 0 && 264 ioctl(fd, WSDISPLAYIO_DSSCROLL, &scroll_l) < 0) 265 err(EXIT_FAILURE, "WSDISPLAYIO_DSSCROLL"); 266 if (scroll_l.which & WSDISPLAY_SCROLL_DOFASTLINES) 267 pr_field(field_by_value(&scroll_l.fastlines), " -> "); 268 if (scroll_l.which & WSDISPLAY_SCROLL_DOSLOWLINES) 269 pr_field(field_by_value(&scroll_l.slowlines), " -> "); 270 } 271