/[gentoo-src]/Xorgautoconfig/Xorgautoconfig.c
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Revision 1.10 - (show annotations) (download) (as text)
Sun Jun 12 12:16:26 2005 UTC (9 years, 1 month ago) by josejx
Branch: MAIN
Changes since 1.9: +4 -2 lines
File MIME type: text/x-csrc
Added EDID vsync/hsync sanity check.

1 /* Xorgautoconfig: versatile xorg.conf creation tool for PowerPC
2 *
3 * Copyright (C) 2005 Lars Weiler <pylon@gentoo.org>
4 * Copyright (C) 2005 Joseph Jezak <josejx@gentoo.org>
5 *
6 * This xorg.conf creation tool is a fork from Xautoconfig-0.23
7 * (http://ftp.penguinppc.org/projects/xautocfg/)
8 *
9 * The original header-comment contained:
10 * Copyright (C) 2002-2004 Dan Burcaw <dan@ydl.net>
11 * Copyright (C) 1999-2001 Tom Rini <trini@kernel.crashing.org>
12 *
13 * Thanks for this good start for an X.Org configurator!
14 *
15 */
16
17 #define _GNU_SOURCE
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <assert.h>
21 #include <ctype.h>
22 #include <signal.h>
23 #include <fcntl.h>
24 #include <string.h>
25 #include <unistd.h>
26 #include <sys/ioctl.h>
27 #include <sys/types.h>
28 #include <sys/stat.h>
29 #include <sys/syscall.h>
30 #include <sys/mman.h>
31 #include <netinet/in.h>
32 #include <linux/fb.h>
33 #include <byteswap.h>
34 #include <dirent.h>
35
36 #include "ddcprobe/common.h"
37 #include "ddcprobe/vesamode.h"
38 #include "Xorgtext.h"
39
40 extern int bus, dev, func;
41 extern void findVideoDevice(void);
42 extern void help();
43 extern void usage();
44 extern char * macMachineType(void);
45
46 struct monitor_sync
47 {
48 int h_min;
49 int h_max;
50 int v_min;
51 int v_max;
52 };
53
54 int main(int argc, char **argv) {
55 FILE * f;
56 int i, depth, fd;
57 int rc = 0, offb = 0, fbdepth = 0, fbdev = 0, nv = 0;
58 unsigned int xsstart, xsend, xtotal = 0;
59 unsigned int ysstart, ysend, ytotal = 0;
60 double drate, vrate, hrate;
61 unsigned int htotal, vtotal;
62 char manufacturer[4];
63
64 struct monitor_sync sync;
65 struct fb_fix_screeninfo fix;
66 struct fb_var_screeninfo var;
67 struct edid1_info *edid_info = NULL;
68
69 const char * name = "/dev/fb0";
70 unsigned char *mem;
71 char *macid;
72 char *eisaid;
73 char keyboard_layout[32];
74 memset(keyboard_layout, 0, 32);
75
76 DIR *testdir; /* Test if path is a directory */
77 char path[256]; /* Font Path */
78 char videobuf[MAX_VIDEO_LEN]; /* Video Card Device section */
79 int videolen = MAX_VIDEO_LEN - 1; /* How many chars we have left */
80 char dri = FALSE; /* DRI on or off */
81
82 if (!(fd = open(name, O_RDONLY)))
83 rc = 2; /* Failure */
84
85 if (!rc && ioctl(fd, FBIOGET_FSCREENINFO, &fix))
86 rc = 2; /* Failure */
87
88 if (!rc && ioctl(fd, FBIOGET_VSCREENINFO, &var))
89 rc = 2; /* Failure */
90
91 close(fd);
92
93 /* 640x480 framebuffer typically implies a CRT, so lets bump */
94 /* the resolution up to 800x600 to be a bit more sane */
95 if (var.xres == 640 && var.yres == 480) {
96 var.xres = 800;
97 var.yres = 600;
98 }
99
100 if (rc) {
101 fprintf(stderr, "Can't access %s. Exiting.\n", name);
102 return -1;
103 }
104
105 if (argc > 1) {
106 int args;
107 for(args = 1; args<argc; args++) {
108 if (!strcmp(argv[args], "--fbdepth"))
109 fbdepth = 1;
110 else if (!strcmp(argv[args], "--fbdev"))
111 fbdev = 1;
112 else if (!strcmp(argv[args], "--safe"))
113 fbdev = fbdepth = 1;
114 else if (!strncmp(argv[args], "--keymap=", 9)) {
115 strncpy(keyboard_layout, argv[args] + 9 , 29);
116 strcat(keyboard_layout, "\"\n");
117 }
118 else if (!strcmp(argv[args], "--list-keymaps")) {
119 printf("%s", keymap_list);
120 exit(0);
121 } else {
122 usage();
123 exit(0);
124 }
125 }
126 }
127
128 /* Check to see what type of Mac we're on.*/
129 /* e.g. PowerBook1,1 */
130 macid = macMachineType();
131
132 sync.h_min = 0;
133 sync.h_max = 0;
134 sync.v_min = 0;
135 sync.v_max = 0;
136
137 /* Check to see if EDID is available */
138 if ( (sizeof(struct edid1_info) == 256) &&
139 (sizeof(struct edid_monitor_descriptor) == 18) &&
140 get_edid_supported())
141 {
142 edid_info = get_edid_info();
143
144 if ( !(edid_info == NULL) &&
145 !(edid_info->version == 0) &&
146 !(edid_info->version == 0xff && edid_info->revision == 0xff) &&
147 !(edid_info->version == 0 && edid_info->revision == 0))
148 {
149 manufacturer[0] = edid_info->manufacturer_name.char1 + 'A' - 1;
150 manufacturer[1] = edid_info->manufacturer_name.char2 + 'A' - 1;
151 manufacturer[2] = edid_info->manufacturer_name.char3 + 'A' - 1;
152 manufacturer[3] = '\0';
153 eisaid = malloc(sizeof(manufacturer) + sizeof(edid_info->product_code));
154 sprintf(eisaid, "%s%04x", manufacturer, edid_info->product_code);
155
156 for (i = 0; i < 4; i++)
157 {
158 struct edid_monitor_descriptor *monitor = NULL;
159
160 monitor = &edid_info->monitor_details.monitor_descriptor[i];
161
162 if (monitor->type == edid_monitor_descriptor_range)
163 {
164 sync.h_min = monitor->data.range_data.horizontal_min;
165 sync.h_max = monitor->data.range_data.horizontal_max;
166 sync.v_min = monitor->data.range_data.vertical_min;
167 sync.v_max = monitor->data.range_data.vertical_max;
168 }
169 }
170 /* On certain Apple LCD panels, set vertical min and max */
171 if ((eisaid) && (!strcmp(eisaid, "APP1592") ||
172 !strcmp(eisaid, "APPf401") ||
173 !strcmp(eisaid, "APP1792") ||
174 !strcmp(eisaid, "APP1992") ||
175 !strcmp(eisaid, "APP1692") ||
176 !strcmp(eisaid, "APP1892")))
177 sync.v_min = 50;
178 sync.v_max = 60;
179 }
180 }
181
182 /* More or less taken from Geert Uytterhoeven's fbset (GPL'ed as well..) */
183 htotal = var.left_margin+var.xres+var.right_margin+var.hsync_len;
184 vtotal = var.upper_margin+var.yres+var.lower_margin+var.vsync_len;
185 drate = (1E12/var.pixclock);
186 hrate = drate/htotal;
187 vrate = hrate/vtotal;
188 xsstart = var.xres+var.right_margin;
189 xsend = xsstart+var.hsync_len;
190 xtotal = xsend+var.left_margin;
191 ysstart = var.yres+var.lower_margin;
192 ysend = ysstart+var.vsync_len;
193 ytotal = ysend+var.upper_margin;
194 if (var.bits_per_pixel == 8)
195 depth = 8;
196 else
197 depth = var.red.length+var.green.length+var.blue.length;
198
199 /* look for nvidia and offb */
200 if (fix.id)
201 {
202 mem = strdup(fix.id);
203 while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) {
204 mem[i - 1] = '\0';
205 }
206 if (strstr(fix.id, "NVDA") != NULL)
207 nv = 1;
208
209 if (!strncmp(fix.id, "OFfb", 4))
210 offb = 1;
211 }
212
213 findVideoDevice(); /* For BusID */
214
215 /* Work out the card specifics to figure out if we need DRI, etc. */
216 depth = 16;
217 memset(videobuf, 0, MAX_VIDEO_LEN);
218 if (nv) {
219 if (!strncmp(macid, "PowerMac4,2", 11) || !strncmp(macid, "PowerMac4,5", 11))
220 fprintf(f, " Option \"FlatPanel\"\n");
221 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_nv);
222 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"nv\"\n");
223 dri = FALSE;
224 } else if((fbdev) || (bus == 0 && dev == 0 && func == 0)) {
225 if (!fbdev) {
226 videolen -= snprintf(videobuf + strlen(videobuf),
227 videolen, "\t# We couldn't determine the BusID of your ");
228 videolen -= snprintf(videobuf + strlen(videobuf),
229 videolen, "video card. So we will use\n#\tthe fbdev driver\n");
230 }
231 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"ShadowFB\" \"true\"\n");
232 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"fbdev\" \"%s\"\n", name);
233 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"fbdev\"\n");
234 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #BusID \"0:0:0\"\n");
235 depth = 15;
236 dri = FALSE;
237 } else {
238 /* Try and guess what video card is behind /dev/fb0 */
239 switch(fix.accel) {
240 /* ATI Mach64 Family cards */
241 case 6:
242 case 8:
243 case 9:
244 case 10:
245 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_on_opts);
246 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"ati\"\n");
247 dri = FALSE; /* Can this be enabled? */
248 break;
249 /* IMS Twin Turbo */
250 case 14:
251 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
252 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"imstt\"\n");
253 dri = FALSE; /* Can this be enabled? */
254 break;
255 /* Matrox Family */
256 case 16:
257 case 17:
258 case 18:
259 case 20:
260 case 21:
261 case 26:
262 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
263 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"mga\"\n");
264 dri = FALSE; /* Can this be enabled? */
265 break;
266 /* Chips&Technology 6555x */
267 /* Is this still broken?
268 case 30:
269 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
270 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"chips\"\n");
271 dri = FALSE;
272 break;
273 */
274 /* VooDoo 3 / Banshee */
275 case 31:
276 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
277 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"tdfx\"\n");
278 dri = FALSE; /* Can this be enabled? */
279 break;
280 /* ATI Rage 128 Family */
281 case 32:
282 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
283 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
284 dri = TRUE;
285 break;
286 /* ATI Radeon */
287 /* FIXME what are the values for radeon > 9200? */
288 case 38:
289 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_radeon);
290 if(!strncmp(macid + 5, "Pegasos", 7))
291 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", "\tOption\t\"BusType\"\t\"PCI\"\n");
292 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"radeon\"\n");
293 dri = TRUE;
294 break;
295 default:
296 /* FIXME still broken? */
297 /* radeon seems to be broken on VE (aka 7000) */
298 if ((!strncmp(fix.id, "ATI Radeon", 10)) &&
299 (strncmp(fix.id, "ATI Radeon VE", 13))) {
300 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_radeon);
301 if(!strncmp(macid + 5, "Pegasos", 7))
302 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", "\tOption\t\"BusType\"\t\"PCI\"\n");
303 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"radeon\"\n");
304 dri = TRUE;
305 } else if (!strncmp(fix.id, "Rage128", 7)) {
306 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
307 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
308 dri = TRUE;
309 } else if (!strncmp(fix.id, "Rage Mobility M3", 16)) {
310 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
311 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
312 dri = TRUE;
313 } else {
314 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"ShadowFB\" \"true\"\n");
315 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"fbdev\"\n");
316 dri = FALSE;
317 depth = 15;
318 }
319 break;
320 }
321 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " BusID \"PCI:%d:%d:%d\"\n", bus, dev, func);
322 }
323
324 /* Let's be nice and backup an existing xorg.conf */
325 if ((f = fopen("/etc/X11/xorg.conf", "r"))) {
326 system("mv /etc/X11/xorg.conf /etc/X11/xorg.conf.autobak");
327 printf("The current xorg.conf has been copied into /etc/X11/xorg.conf.autobak\n");
328 }
329
330 /* Check the permissions for writing */
331 if (!(f = fopen("/etc/X11/xorg.conf", "w"))) {
332 fprintf(stderr, "Can't write to /etc/X11/xorg.conf. Exiting.\n");
333 return -1;;
334 }
335
336 /*** BEGIN xorg.conf ***/
337 fprintf(f, "%s", header);
338
339 /* Set fontpaths */
340 DIR *fontdir = opendir(FONTPATH);
341 struct dirent *fontpath;
342
343 /* Add x fontserver note */
344 fprintf(f, "%s", fontpath_xfs);
345 if(fontdir != NULL) {
346 while ((fontpath = readdir (fontdir))) {
347 if((fontpath->d_name)[0] != '.') {
348 /* Only add directories */
349 strcpy(path, FONTPATH);
350 strcat(path, fontpath->d_name);
351 strcat(path, "/");
352 testdir = opendir(path);
353 if(testdir != NULL) {
354 fprintf(f, "\tFontPath\t\"%s\"\n",
355 path);
356 if(!strncmp(fontpath->d_name,"75dpi",5) ||
357 !strncmp(fontpath->d_name,"100dpi",6)){
358 fprintf(f, "\tFontPath\t\"%s:unscaled\"\n",
359 path);
360 }
361 closedir(testdir);
362 }
363 }
364 }
365 closedir(fontdir);
366 }
367 else {
368 fprintf(f, "%s", fontpath_gentoo);
369 }
370 fprintf(f, "EndSection\n\n");
371
372 /* modules section */
373 fprintf(f, "%s", modules_section_start);
374 if(!dri) fprintf(f, "%s", "#");
375 fprintf(f, "%s", modules_section_end);
376
377 /* extensions section */
378 fprintf(f, "%s", extensions_section);
379
380 /* serverflags section */
381 fprintf(f, "%s", serverflags_section);
382
383 /* input dev section */
384 fprintf(f, "%s", inputdev_section);
385
386 /* keyboard */
387 if(0 == keyboard_layout[0])
388 strcpy(keyboard_layout, "us\"\n");
389 fprintf(f, "%s", keyboard_linux_start);
390 fprintf(f, "%s", keyboard_layout);
391 fprintf(f, "%s", keyboard_linux_end);
392
393 /* mouse */
394 fprintf(f, "%s", mouse_section);
395
396 /* monitor section */
397 if (!offb)
398 fprintf(f, "%s", monitor_section);
399 else
400 fprintf(f, "%s", monitor_section_nomodes);
401
402 /* Use EDID's horizsync / vert refresh first, otherwise try to be sane */
403 if (sync.h_min && sync.h_max && sync.v_min && sync.v_max)
404 {
405 fprintf(f, "\tHorizSync %d-%d\n\tVertRefresh %d-%d\n",
406 sync.h_min, sync.h_max, sync.v_min, sync.v_max);
407 } else if (!strncmp(macid, "PowerMac4,2", 11)) {
408 fprintf(f, "\tHorizSync 28-49 \n\tVertRefresh 50-60\n");
409 } else if (sync.v_min && sync.v_max) {
410 /* Apple Studio/Cinema Display case */
411 fprintf(f, "\tHorizSync 30-130\n\tVertRefresh %d-%d\n",
412 sync.v_min, sync.v_max);
413 } else {
414 if(var.xres <= 640)
415 fprintf(f, " HorizSync 28-33\n VertRefresh 43-72\n");
416 else if(var.xres <= 800)
417 fprintf(f, " HorizSync 28-50\n VertRefresh 43-75\n");
418 else if(var.xres <= 1024)
419 fprintf(f, " HorizSync 30-70\n VertRefresh 50-160\n");
420 else if(var.xres <= 1152)
421 fprintf(f, " HorizSync 30-100\n VertRefresh 50-160\n");
422 else
423 fprintf(f, " HorizSync 30-130\n VertRefresh 50-160\n");
424 }
425
426 if (!offb)
427 {
428 fprintf(f, "%s", modes_section);
429 fprintf(f, " # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", drate/1E6,
430 hrate/1E3, vrate);
431 fprintf(f, " Modeline \"%dx%d\" %5.3f %d %d %d %d %d %d %d %d ",
432 var.xres, var.yres, drate/1E6, var.xres, xsstart, xsend,
433 xtotal, var.yres, ysstart, ysend, ytotal);
434 if (var.vmode & FB_VMODE_INTERLACED)
435 fprintf(f, " Interlace");
436 if (var.vmode & FB_VMODE_DOUBLE)
437 fprintf(f, " DoubleScan");
438 if (var.sync & FB_SYNC_HOR_HIGH_ACT)
439 fprintf(f, " +HSync");
440 else
441 fprintf(f, " -HSync");
442 if (var.sync & FB_SYNC_VERT_HIGH_ACT)
443 fprintf(f, " +VSync");
444 else
445 fprintf(f, " -VSync");
446 if (var.sync & FB_SYNC_COMP_HIGH_ACT)
447 fprintf(f, " Composite");
448 if (var.sync & FB_SYNC_BROADCAST)
449 fprintf(f, " bcast");
450 }
451 fprintf(f, "%s", device_start);
452 fprintf(f, "%s", videobuf);
453 fprintf(f, "%s", screen_section);
454 fprintf(f, "%d\n", depth);
455 if(fbdepth && depth != var.bits_per_pixel)
456 fprintf(f," DefaultFbBpp %d\n", var.bits_per_pixel);
457
458 /* Print this out for 8 / 16 / 24 */
459 for (i = 8;i <= 24;i = i + 8)
460 {
461 fprintf(f, " SubSection \"Display\"\n");
462 fprintf(f, " Depth %d\n", i);
463
464 /* If they've got 32bit use it, otherwise use 24 */
465 if (depth == 24 && depth != var.bits_per_pixel)
466 fprintf(f, " FbBpp %d\n",
467 var.bits_per_pixel);
468
469 fprintf(f, " Modes \"%dx%d\"\n", var.xres,
470 var.yres);
471 fprintf(f, " EndSubSection\n");
472 }
473
474 /* To catch depth = 15, common :( */
475 if(depth == 15) {
476 fprintf(f, " SubSection \"Display\"\n");
477 fprintf(f, " Depth %d\n", depth);
478
479 fprintf(f, " FbBpp %d\n",
480 var.bits_per_pixel);
481
482 fprintf(f, " Modes \"%dx%d\"\n", var.xres,
483 var.yres);
484 fprintf(f, " EndSubSection\n");
485 }
486
487 fprintf(f, "EndSection\n");
488 fprintf(f, "%s", dri_section);
489 /*** END Xorg.conf ***/
490
491 fclose(f);
492
493 fprintf(stdout, "Wrote /etc/X11/xorg.conf\n");
494 fprintf(stdout, "Please check the configuration file for additional options\n");
495
496 return 0;
497 }

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