/[gentoo-src]/Xorgautoconfig/Xorgautoconfig.c
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Contents of /Xorgautoconfig/Xorgautoconfig.c

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Revision 1.11 - (show annotations) (download) (as text)
Tue Jun 14 03:13:55 2005 UTC (9 years, 3 months ago) by josejx
Branch: MAIN
Changes since 1.10: +31 -7 lines
File MIME type: text/x-csrc
Added init script, fixed Makefile and added dump function.

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 char dump = FALSE; /* Dump debugging info? */
82 char quiet = FALSE; /* Be quiet */
83
84 if (!(fd = open(name, O_RDONLY)))
85 rc = 2; /* Failure */
86
87 if (!rc && ioctl(fd, FBIOGET_FSCREENINFO, &fix))
88 rc = 2; /* Failure */
89
90 if (!rc && ioctl(fd, FBIOGET_VSCREENINFO, &var))
91 rc = 2; /* Failure */
92
93 close(fd);
94
95 if (rc) {
96 fprintf(stderr, "Can't access %s. Exiting.\n", name);
97 return -1;
98 }
99
100 /* 640x480 framebuffer typically implies a CRT, so lets bump */
101 /* the resolution up to 800x600 to be a bit more sane */
102 if (var.xres == 640 && var.yres == 480) {
103 var.xres = 800;
104 var.yres = 600;
105 }
106
107 if (argc > 1) {
108 int args;
109 for(args = 1; args<argc; args++) {
110 if (!strcmp(argv[args], "--fbdepth"))
111 fbdepth = 1;
112 else if (!strcmp(argv[args], "--fbdev"))
113 fbdev = 1;
114 else if (!strcmp(argv[args], "--dump"))
115 dump = TRUE;
116 else if (!strcmp(argv[args], "--safe"))
117 fbdev = fbdepth = 1;
118 else if (!strcmp(argv[args], "--quiet"))
119 quiet = TRUE;
120 else if (!strncmp(argv[args], "--keymap=", 9)) {
121 strncpy(keyboard_layout, argv[args] + 9 , 29);
122 strcat(keyboard_layout, "\"\n");
123 }
124 else if (!strcmp(argv[args], "--list-keymaps")) {
125 printf("%s", keymap_list);
126 exit(0);
127 } else {
128 usage();
129 exit(0);
130 }
131 }
132 }
133
134 /* Check to see what type of Mac we're on.*/
135 /* e.g. PowerBook1,1 */
136 macid = macMachineType();
137
138 sync.h_min = 0;
139 sync.h_max = 0;
140 sync.v_min = 0;
141 sync.v_max = 0;
142
143 /* Check to see if EDID is available */
144 if ( (sizeof(struct edid1_info) == 256) &&
145 (sizeof(struct edid_monitor_descriptor) == 18) &&
146 get_edid_supported())
147 {
148 edid_info = get_edid_info();
149
150 if ( !(edid_info == NULL) &&
151 !(edid_info->version == 0) &&
152 !(edid_info->version == 0xff && edid_info->revision == 0xff) &&
153 !(edid_info->version == 0 && edid_info->revision == 0))
154 {
155 manufacturer[0] = edid_info->manufacturer_name.char1 + 'A' - 1;
156 manufacturer[1] = edid_info->manufacturer_name.char2 + 'A' - 1;
157 manufacturer[2] = edid_info->manufacturer_name.char3 + 'A' - 1;
158 manufacturer[3] = '\0';
159 eisaid = malloc(sizeof(manufacturer) + sizeof(edid_info->product_code));
160 sprintf(eisaid, "%s%04x", manufacturer, edid_info->product_code);
161
162 for (i = 0; i < 4; i++)
163 {
164 struct edid_monitor_descriptor *monitor = NULL;
165
166 monitor = &edid_info->monitor_details.monitor_descriptor[i];
167
168 if (monitor->type == edid_monitor_descriptor_range)
169 {
170 sync.h_min = monitor->data.range_data.horizontal_min;
171 sync.h_max = monitor->data.range_data.horizontal_max;
172 sync.v_min = monitor->data.range_data.vertical_min;
173 sync.v_max = monitor->data.range_data.vertical_max;
174 }
175 }
176 /* On certain Apple LCD panels, set vertical min and max */
177 if ((eisaid) && (!strcmp(eisaid, "APP1592") ||
178 !strcmp(eisaid, "APPf401") ||
179 !strcmp(eisaid, "APP1792") ||
180 !strcmp(eisaid, "APP1992") ||
181 !strcmp(eisaid, "APP1692") ||
182 !strcmp(eisaid, "APP1892")))
183 sync.v_min = 50;
184 sync.v_max = 60;
185 }
186 }
187
188 /* More or less taken from Geert Uytterhoeven's fbset (GPL'ed as well..) */
189 htotal = var.left_margin+var.xres+var.right_margin+var.hsync_len;
190 vtotal = var.upper_margin+var.yres+var.lower_margin+var.vsync_len;
191 drate = (1E12/var.pixclock);
192 hrate = drate/htotal;
193 vrate = hrate/vtotal;
194 xsstart = var.xres+var.right_margin;
195 xsend = xsstart+var.hsync_len;
196 xtotal = xsend+var.left_margin;
197 ysstart = var.yres+var.lower_margin;
198 ysend = ysstart+var.vsync_len;
199 ytotal = ysend+var.upper_margin;
200 if (var.bits_per_pixel == 8)
201 depth = 8;
202 else
203 depth = var.red.length+var.green.length+var.blue.length;
204
205 /* look for nvidia and offb */
206 if (fix.id)
207 {
208 mem = strdup(fix.id);
209 while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) {
210 mem[i - 1] = '\0';
211 }
212 if (strstr(fix.id, "NVDA") != NULL)
213 nv = 1;
214
215 if (!strncmp(fix.id, "OFfb", 4))
216 offb = 1;
217 }
218
219 findVideoDevice(); /* For BusID */
220
221 /* Work out the card specifics to figure out if we need DRI, etc. */
222 depth = 16;
223 memset(videobuf, 0, MAX_VIDEO_LEN);
224 if (nv) {
225 if (!strncmp(macid, "PowerMac4,2", 11) || !strncmp(macid, "PowerMac4,5", 11))
226 fprintf(f, " Option \"FlatPanel\"\n");
227 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_nv);
228 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"nv\"\n");
229 dri = FALSE;
230 } else if((fbdev) || (bus == 0 && dev == 0 && func == 0)) {
231 if (!fbdev) {
232 videolen -= snprintf(videobuf + strlen(videobuf),
233 videolen, "\t# We couldn't determine the BusID of your ");
234 videolen -= snprintf(videobuf + strlen(videobuf),
235 videolen, "video card. So we will use\n#\tthe fbdev driver\n");
236 }
237 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"ShadowFB\" \"true\"\n");
238 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"fbdev\" \"%s\"\n", name);
239 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"fbdev\"\n");
240 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #BusID \"0:0:0\"\n");
241 depth = 15;
242 dri = FALSE;
243 } else {
244 /* Try and guess what video card is behind /dev/fb0 */
245 switch(fix.accel) {
246 /* ATI Mach64 Family cards */
247 case 6:
248 case 8:
249 case 9:
250 case 10:
251 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_on_opts);
252 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"ati\"\n");
253 dri = FALSE; /* Can this be enabled? */
254 break;
255 /* IMS Twin Turbo */
256 case 14:
257 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
258 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"imstt\"\n");
259 dri = FALSE; /* Can this be enabled? */
260 break;
261 /* Matrox Family */
262 case 16:
263 case 17:
264 case 18:
265 case 20:
266 case 21:
267 case 26:
268 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
269 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"mga\"\n");
270 dri = FALSE; /* Can this be enabled? */
271 break;
272 /* Chips&Technology 6555x */
273 /* Is this still broken?
274 case 30:
275 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
276 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"chips\"\n");
277 dri = FALSE;
278 break;
279 */
280 /* VooDoo 3 / Banshee */
281 case 31:
282 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
283 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"tdfx\"\n");
284 dri = FALSE; /* Can this be enabled? */
285 break;
286 /* ATI Rage 128 Family */
287 case 32:
288 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
289 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
290 dri = TRUE;
291 break;
292 /* ATI Radeon */
293 /* FIXME what are the values for radeon > 9200? */
294 case 38:
295 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_radeon);
296 if(!strncmp(macid + 5, "Pegasos", 7))
297 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", "\tOption\t\"BusType\"\t\"PCI\"\n");
298 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"radeon\"\n");
299 dri = TRUE;
300 break;
301 default:
302 /* FIXME still broken? */
303 /* radeon seems to be broken on VE (aka 7000) */
304 if ((!strncmp(fix.id, "ATI Radeon", 10)) &&
305 (strncmp(fix.id, "ATI Radeon VE", 13))) {
306 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_radeon);
307 if(!strncmp(macid + 5, "Pegasos", 7))
308 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", "\tOption\t\"BusType\"\t\"PCI\"\n");
309 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"radeon\"\n");
310 dri = TRUE;
311 } else if (!strncmp(fix.id, "Rage128", 7)) {
312 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
313 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
314 dri = TRUE;
315 } else if (!strncmp(fix.id, "Rage Mobility M3", 16)) {
316 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
317 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
318 dri = TRUE;
319 } else {
320 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"ShadowFB\" \"true\"\n");
321 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"fbdev\"\n");
322 dri = FALSE;
323 depth = 15;
324 }
325 break;
326 }
327 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " BusID \"PCI:%d:%d:%d\"\n", bus, dev, func);
328 }
329
330 if(dump) {
331 printf("Dumping Debugging Information:\n");
332 printf("\tMachine ID:\t%s\n", macid);
333 if(edid_info == NULL)
334 printf("\tNo EDID Information present\n");
335 else
336 printf("\tEDID Tag:\t%s\n", eisaid);
337 printf("\tH-Min: %i H-Max: %i V-Min: %i V-Max: %i\n", sync.h_min, sync.h_max, sync.v_min, sync.v_max);
338 printf("\tCard Dump:\n");
339 printf("\t\tFramebuffer Id:\t\t%s\n", fix.id);
340 printf("\t\tFramebuffer Type:\t%i\n", fix.accel);
341 printf("\t\tFramebuffer Depth:\t%i\n", depth);
342 return 0;
343 }
344
345 /* Let's be nice and backup an existing xorg.conf */
346 if ((f = fopen("/etc/X11/xorg.conf", "r"))) {
347 system("mv /etc/X11/xorg.conf /etc/X11/xorg.conf.autobak");
348 if(!quiet)
349 printf("The current xorg.conf has been copied into /etc/X11/xorg.conf.autobak\n");
350 }
351
352 /* Check the permissions for writing */
353 if (!(f = fopen("/etc/X11/xorg.conf", "w"))) {
354 fprintf(stderr, "Can't write to /etc/X11/xorg.conf. Exiting.\n");
355 return -1;;
356 }
357
358 /*** BEGIN xorg.conf ***/
359 fprintf(f, "%s", header);
360
361 /* Set fontpaths */
362 DIR *fontdir = opendir(FONTPATH);
363 struct dirent *fontpath;
364
365 /* Add x fontserver note */
366 fprintf(f, "%s", fontpath_xfs);
367 if(fontdir != NULL) {
368 while ((fontpath = readdir (fontdir))) {
369 if((fontpath->d_name)[0] != '.') {
370 /* Only add directories */
371 strcpy(path, FONTPATH);
372 strcat(path, fontpath->d_name);
373 strcat(path, "/");
374 testdir = opendir(path);
375 if(testdir != NULL) {
376 fprintf(f, "\tFontPath\t\"%s\"\n",
377 path);
378 if(!strncmp(fontpath->d_name,"75dpi",5) ||
379 !strncmp(fontpath->d_name,"100dpi",6)){
380 fprintf(f, "\tFontPath\t\"%s:unscaled\"\n",
381 path);
382 }
383 closedir(testdir);
384 }
385 }
386 }
387 closedir(fontdir);
388 }
389 else {
390 fprintf(f, "%s", fontpath_gentoo);
391 }
392 fprintf(f, "EndSection\n\n");
393
394 /* modules section */
395 fprintf(f, "%s", modules_section_start);
396 if(!dri) fprintf(f, "%s", "#");
397 fprintf(f, "%s", modules_section_end);
398
399 /* extensions section */
400 fprintf(f, "%s", extensions_section);
401
402 /* serverflags section */
403 fprintf(f, "%s", serverflags_section);
404
405 /* input dev section */
406 fprintf(f, "%s", inputdev_section);
407
408 /* keyboard */
409 if(0 == keyboard_layout[0])
410 strcpy(keyboard_layout, "us\"\n");
411 fprintf(f, "%s", keyboard_linux_start);
412 fprintf(f, "%s", keyboard_layout);
413 fprintf(f, "%s", keyboard_linux_end);
414
415 /* mouse */
416 fprintf(f, "%s", mouse_section);
417
418 /* monitor section */
419 if (!offb)
420 fprintf(f, "%s", monitor_section);
421 else
422 fprintf(f, "%s", monitor_section_nomodes);
423
424 /* Use EDID's horizsync / vert refresh first, otherwise try to be sane */
425 if (sync.h_min && sync.h_max && sync.v_min && sync.v_max)
426 {
427 fprintf(f, "\tHorizSync %d-%d\n\tVertRefresh %d-%d\n",
428 sync.h_min, sync.h_max, sync.v_min, sync.v_max);
429 } else if (!strncmp(macid, "PowerMac4,2", 11)) {
430 fprintf(f, "\tHorizSync 28-49 \n\tVertRefresh 50-60\n");
431 } else if (sync.v_min && sync.v_max) {
432 /* Apple Studio/Cinema Display case */
433 fprintf(f, "\tHorizSync 30-130\n\tVertRefresh %d-%d\n",
434 sync.v_min, sync.v_max);
435 } else {
436 if(var.xres <= 640)
437 fprintf(f, " HorizSync 28-33\n VertRefresh 43-72\n");
438 else if(var.xres <= 800)
439 fprintf(f, " HorizSync 28-50\n VertRefresh 43-75\n");
440 else if(var.xres <= 1024)
441 fprintf(f, " HorizSync 30-70\n VertRefresh 50-160\n");
442 else if(var.xres <= 1152)
443 fprintf(f, " HorizSync 30-100\n VertRefresh 50-160\n");
444 else
445 fprintf(f, " HorizSync 30-130\n VertRefresh 50-160\n");
446 }
447
448 if (!offb)
449 {
450 fprintf(f, "%s", modes_section);
451 fprintf(f, " # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", drate/1E6,
452 hrate/1E3, vrate);
453 fprintf(f, " Modeline \"%dx%d\" %5.3f %d %d %d %d %d %d %d %d ",
454 var.xres, var.yres, drate/1E6, var.xres, xsstart, xsend,
455 xtotal, var.yres, ysstart, ysend, ytotal);
456 if (var.vmode & FB_VMODE_INTERLACED)
457 fprintf(f, " Interlace");
458 if (var.vmode & FB_VMODE_DOUBLE)
459 fprintf(f, " DoubleScan");
460 if (var.sync & FB_SYNC_HOR_HIGH_ACT)
461 fprintf(f, " +HSync");
462 else
463 fprintf(f, " -HSync");
464 if (var.sync & FB_SYNC_VERT_HIGH_ACT)
465 fprintf(f, " +VSync");
466 else
467 fprintf(f, " -VSync");
468 if (var.sync & FB_SYNC_COMP_HIGH_ACT)
469 fprintf(f, " Composite");
470 if (var.sync & FB_SYNC_BROADCAST)
471 fprintf(f, " bcast");
472 }
473 fprintf(f, "%s", device_start);
474 fprintf(f, "%s", videobuf);
475 fprintf(f, "%s", screen_section);
476 fprintf(f, "%d\n", depth);
477 if(fbdepth && depth != var.bits_per_pixel)
478 fprintf(f," DefaultFbBpp %d\n", var.bits_per_pixel);
479
480 /* Print this out for 8 / 16 / 24 */
481 for (i = 8;i <= 24;i = i + 8)
482 {
483 fprintf(f, " SubSection \"Display\"\n");
484 fprintf(f, " Depth %d\n", i);
485
486 /* If they've got 32bit use it, otherwise use 24 */
487 if (depth == 24 && depth != var.bits_per_pixel)
488 fprintf(f, " FbBpp %d\n",
489 var.bits_per_pixel);
490
491 fprintf(f, " Modes \"%dx%d\"\n", var.xres,
492 var.yres);
493 fprintf(f, " EndSubSection\n");
494 }
495
496 /* To catch depth = 15, common :( */
497 if(depth == 15) {
498 fprintf(f, " SubSection \"Display\"\n");
499 fprintf(f, " Depth %d\n", depth);
500
501 fprintf(f, " FbBpp %d\n",
502 var.bits_per_pixel);
503
504 fprintf(f, " Modes \"%dx%d\"\n", var.xres,
505 var.yres);
506 fprintf(f, " EndSubSection\n");
507 }
508
509 fprintf(f, "EndSection\n");
510 fprintf(f, "%s", dri_section);
511 /*** END Xorg.conf ***/
512
513 fclose(f);
514
515 if(!quiet) {
516 fprintf(stdout, "Wrote /etc/X11/xorg.conf\n");
517 fprintf(stdout, "Please check the configuration file for additional options\n");
518 }
519
520 return 0;
521 }

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