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

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Revision 1.2 - (show annotations) (download) (as text)
Mon Apr 18 01:31:50 2005 UTC (10 years, 1 month ago) by pylon
Branch: MAIN
Changes since 1.1: +58 -22 lines
File MIME type: text/x-csrc
Patches by JoseJX from bug #84468.

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

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