/[gentoo-src]/Xorgautoconfig/Xorgautoconfig.c
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Revision 1.3 - (show annotations) (download) (as text)
Mon Apr 18 05:34:46 2005 UTC (9 years, 4 months ago) by josejx
Branch: MAIN
Changes since 1.2: +40 -38 lines
File MIME type: text/x-csrc
Fixed a few issues from last commit and added keymap switching support.

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 if (!(fd = open(name, O_RDONLY)))
77 rc = 2; /* Failure */
78
79 if (!rc && ioctl(fd, FBIOGET_FSCREENINFO, &fix))
80 rc = 2; /* Failure */
81
82 if (!rc && ioctl(fd, FBIOGET_VSCREENINFO, &var))
83 rc = 2; /* Failure */
84
85 close(fd);
86
87 /* 640x480 framebuffer typically implies a CRT, so lets bump */
88 /* the resolution up to 800x600 to be a bit more sane */
89 if (var.xres == 640 && var.yres == 480) {
90 var.xres = 800;
91 var.yres = 600;
92 }
93
94 if (rc) {
95 fprintf(stderr, "Can't access %s. Exiting.\n", name);
96 return -1;
97 }
98
99 if (argc > 1) {
100 int args;
101 for(args = 1; args<argc; args++) {
102 if (!strcmp(argv[args], "--fbdepth"))
103 fbdepth = 1;
104 else if (!strcmp(argv[args], "--fbdev"))
105 fbdev = 1;
106 else if (!strcmp(argv[args], "--safe"))
107 fbdev = fbdepth = 1;
108 else if (!strncmp(argv[args], "--keymap=", 9)) {
109 strncpy(keyboard_layout, argv[args] + 9 , 29);
110 strcat(keyboard_layout, "\"\n");
111 } else {
112 usage();
113 exit(0);
114 }
115 }
116 }
117
118 /* Check to see what type of Mac we're on.*/
119 /* e.g. PowerBook1,1 */
120 macid = macMachineType();
121
122 sync.h_min = 0;
123 sync.h_max = 0;
124 sync.v_min = 0;
125 sync.v_max = 0;
126
127 /* Check to see if EDID is available */
128 if ( (sizeof(struct edid1_info) == 256) &&
129 (sizeof(struct edid_monitor_descriptor) == 18) &&
130 get_edid_supported())
131 {
132 edid_info = get_edid_info();
133
134 if ( !(edid_info == NULL) &&
135 !(edid_info->version == 0) &&
136 !(edid_info->version == 0xff && edid_info->revision == 0xff) &&
137 !(edid_info->version == 0 && edid_info->revision == 0))
138 {
139 manufacturer[0] = edid_info->manufacturer_name.char1 + 'A' - 1;
140 manufacturer[1] = edid_info->manufacturer_name.char2 + 'A' - 1;
141 manufacturer[2] = edid_info->manufacturer_name.char3 + 'A' - 1;
142 manufacturer[3] = '\0';
143 eisaid = malloc(sizeof(manufacturer) + sizeof(edid_info->product_code));
144 sprintf(eisaid, "%s%04x", manufacturer, edid_info->product_code);
145
146 for (i = 0; i < 4; i++)
147 {
148 struct edid_monitor_descriptor *monitor = NULL;
149
150 monitor = &edid_info->monitor_details.monitor_descriptor[i];
151
152 if (monitor->type == edid_monitor_descriptor_range)
153 {
154 sync.h_min = monitor->data.range_data.horizontal_min;
155 sync.h_max = monitor->data.range_data.horizontal_max;
156 sync.v_min = monitor->data.range_data.vertical_min;
157 sync.v_max = monitor->data.range_data.vertical_max;
158 }
159 }
160 /* On certain Apple LCD panels, set vertical min and max */
161 if ((eisaid) && (!strcmp(eisaid, "APP1592") ||
162 !strcmp(eisaid, "APPf401") ||
163 !strcmp(eisaid, "APP1792") ||
164 !strcmp(eisaid, "APP1992") ||
165 !strcmp(eisaid, "APP1692") ||
166 !strcmp(eisaid, "APP1892")))
167 sync.v_min = 50;
168 sync.v_max = 60;
169 }
170 }
171
172 /* More or less taken from Geert Uytterhoeven's fbset (GPL'ed as well..) */
173 htotal = var.left_margin+var.xres+var.right_margin+var.hsync_len;
174 vtotal = var.upper_margin+var.yres+var.lower_margin+var.vsync_len;
175 drate = (1E12/var.pixclock);
176 hrate = drate/htotal;
177 vrate = hrate/vtotal;
178 xsstart = var.xres+var.right_margin;
179 xsend = xsstart+var.hsync_len;
180 xtotal = xsend+var.left_margin;
181 ysstart = var.yres+var.lower_margin;
182 ysend = ysstart+var.vsync_len;
183 ytotal = ysend+var.upper_margin;
184 if (var.bits_per_pixel == 8)
185 depth = 8;
186 else
187 depth = var.red.length+var.green.length+var.blue.length;
188
189 /* look for nvidia and offb */
190 if (fix.id)
191 {
192 mem = strdup(fix.id);
193 while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) {
194 mem[i - 1] = '\0';
195 }
196 if (strstr(fix.id, "NVDA") != NULL)
197 nv = 1;
198
199 if (!strncmp(fix.id, "OFfb", 4))
200 offb = 1;
201 }
202
203 findVideoDevice(); /* For BusID */
204
205 /* Let's be nice and backup an existing xorg.conf */
206 if ((f = fopen("/etc/X11/xorg.conf", "r"))) {
207 system("mv /etc/X11/xorg.conf /etc/X11/xorg.xorgautoconfig");
208 }
209
210 if (!(f = fopen("/etc/X11/xorg.conf", "w"))) {
211 fprintf(stderr, "Can't write to /etc/X11/xorg.conf. Exiting.\n");
212 return -1;;
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
267 if(0 == keyboard_layout[0])
268 strcpy(keyboard_layout, "us\"\n");
269 fprintf(f, "%s", keyboard_linux_start);
270 fprintf(f, "%s", keyboard_layout);
271 fprintf(f, "%s", keyboard_linux_end);
272
273 /* mouse */
274 fprintf(f, "%s", mouse_section);
275
276 /* monitor section */
277 if (!offb)
278 fprintf(f, "%s", monitor_section);
279 else
280 fprintf(f, "%s", monitor_section_nomodes);
281
282 /* Use EDID's horizsync / vert refresh first, otherwise try to be sane */
283 if (sync.h_min && sync.h_max && sync.v_min && sync.v_max)
284 {
285 fprintf(f, "\tHorizSync %d-%d\n\tVertRefresh %d-%d\n",
286 sync.h_min, sync.h_max, sync.v_min, sync.v_max);
287 } else if (!strncmp(macid, "PowerMac4,2", 11)) {
288 fprintf(f, "\tHorizSync 28-49 \n\tVertRefresh 50-60\n");
289 } else if (sync.v_min && sync.v_max) {
290 /* Apple Studio/Cinema Display case */
291 fprintf(f, "\tHorizSync 30-130\n\tVertRefresh %d-%d\n",
292 sync.v_min, sync.v_max);
293 } else {
294 if(var.xres <= 640)
295 fprintf(f, " HorizSync 28-33\n VertRefresh 43-72\n");
296 else if(var.xres <= 800)
297 fprintf(f, " HorizSync 28-50\n VertRefresh 43-75\n");
298 else if(var.xres <= 1024)
299 fprintf(f, " HorizSync 30-70\n VertRefresh 50-160\n");
300 else if(var.xres <= 1152)
301 fprintf(f, " HorizSync 30-100\n VertRefresh 50-160\n");
302 else
303 fprintf(f, " HorizSync 30-130\n VertRefresh 50-160\n");
304 }
305
306 if (!offb)
307 {
308 fprintf(f, "%s", modes_section);
309 fprintf(f, " # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", drate/1E6,
310 hrate/1E3, vrate);
311 fprintf(f, " Modeline \"%dx%d\" %5.3f %d %d %d %d %d %d %d %d ",
312 var.xres, var.yres, drate/1E6, var.xres, xsstart, xsend,
313 xtotal, var.yres, ysstart, ysend, ytotal);
314 if (var.vmode & FB_VMODE_INTERLACED)
315 fprintf(f, " Interlace");
316 if (var.vmode & FB_VMODE_DOUBLE)
317 fprintf(f, " DoubleScan");
318 if (var.sync & FB_SYNC_HOR_HIGH_ACT)
319 fprintf(f, " +HSync");
320 else
321 fprintf(f, " -HSync");
322 if (var.sync & FB_SYNC_VERT_HIGH_ACT)
323 fprintf(f, " +VSync");
324 else
325 fprintf(f, " -VSync");
326 if (var.sync & FB_SYNC_COMP_HIGH_ACT)
327 fprintf(f, " Composite");
328 if (var.sync & FB_SYNC_BROADCAST)
329 fprintf(f, " bcast");
330 }
331 fprintf(f, "%s", device_start);
332 depth = 16;
333
334 /* See if we know where the card is, if not... */
335 if (nv) {
336 if (!strncmp(macid, "PowerMac4,2", 11) || !strncmp(macid, "PowerMac4,5", 11))
337 fprintf(f, " Option \"FlatPanel\"\n");
338 fprintf(f, "%s", driver_nv);
339 fprintf(f, " Driver\t\"nv\"\n");
340 } else if((fbdev) || (bus == 0 && dev == 0 && func == 0)) {
341 if (!fbdev) {
342 fprintf(f, " # We couldn't determine the BusID of your ");
343 fprintf(f, "video card. So we will use\n# the fbdev driver\n");
344 }
345 fprintf(f, " #Option \"ShadowFB\" \"true\"\n");
346 fprintf(f, " #Option \"fbdev\" \"%s\"\n", name);
347 fprintf(f, " Driver\t\"fbdev\"\n");
348 fprintf(f, " #BusID \"0:0:0\"\n");
349 depth = 15;
350 } else {
351 /* Try and guess what video card is behind /dev/fb0 */
352 switch(fix.accel) {
353 /* ATI Mach64 Family cards */
354 case 6:
355 case 8:
356 case 9:
357 case 10:
358 fprintf(f, "%s", driver_on_opts);
359 fprintf(f, " Driver\t\"ati\"\n");
360 break;
361 /* IMS Twin Turbo */
362 case 14:
363 fprintf(f, "%s", driver_off_opts);
364 fprintf(f, " Driver\t\"imstt\"\n");
365 break;
366 /* Matrox Family */
367 case 16:
368 case 17:
369 case 18:
370 case 20:
371 case 21:
372 case 26:
373 fprintf(f, "%s", driver_off_opts);
374 fprintf(f, " Driver\t\"mga\"\n");
375 break;
376 /* Chips&Technology 6555x */
377 /* Apparently this is broken...
378 case 30:
379 fprintf(f, "%s", driver_off_opts);
380 fprintf(f, " Driver\t\"chips\"\n");
381 break;
382 */
383 /* VooDoo 3 / Banshee */
384 case 31:
385 fprintf(f, "%s", driver_off_opts);
386 fprintf(f, " Driver\t\"tdfx\"\n");
387 break;
388 /* ATI Rage 128 Family */
389 case 32:
390 fprintf(f, "%s", driver_r128);
391 fprintf(f, " Driver\t\"r128\"\n");
392 break;
393 /* ATI Radeon */
394 case 38:
395 fprintf(f, "%s", driver_radeon);
396 fprintf(f, " Driver\t\"radeon\"\n");
397 break;
398 default:
399 /* FIXME still broken? */
400 /* radeon seems to be broken on VE (aka 7000) */
401 if ((!strncmp(fix.id, "ATI Radeon", 10)) &&
402 (strncmp(fix.id, "ATI Radeon VE", 13))) {
403 fprintf(f, "%s", driver_radeon);
404 fprintf(f, " Driver\t\"radeon\"\n");
405 } else if (!strncmp(fix.id, "Rage128", 7)) {
406 fprintf(f, "%s", driver_r128);
407 fprintf(f, " Driver\t\"r128\"\n");
408 } else if (!strncmp(fix.id, "Rage Mobility M3", 16)) {
409 fprintf(f, "%s", driver_r128);
410 fprintf(f, " Driver\t\"r128\"\n");
411 } else {
412 fprintf(f, " #Option \"ShadowFB\"");
413 fprintf(f, " \"true\"\n");
414 fprintf(f, " Driver\t\"fbdev\"\n");
415 depth = 15;
416 }
417 break;
418 }
419 fprintf(f, " BusID \"PCI:%d:%d:%d\"\n", bus, dev, func);
420 }
421 fprintf(f, "%s", screen_section);
422 fprintf(f, "%d\n", depth);
423 if(fbdepth && depth != var.bits_per_pixel)
424 fprintf(f," DefaultFbBpp %d\n", var.bits_per_pixel);
425
426 /* Print this out for 8 / 16 / 24 */
427 for (i = 8;i <= 24;i = i + 8)
428 {
429 fprintf(f, " SubSection \"Display\"\n");
430 fprintf(f, " Depth %d\n", i);
431
432 /* If they've got 32bit use it, otherwise use 24 */
433 if (depth == 24 && depth != var.bits_per_pixel)
434 fprintf(f, " FbBpp %d\n",
435 var.bits_per_pixel);
436
437 fprintf(f, " Modes \"%dx%d\"\n", var.xres,
438 var.yres);
439 fprintf(f, " EndSubSection\n");
440 }
441
442 /* To catch depth = 15, common :( */
443 if(depth == 15) {
444 fprintf(f, " SubSection \"Display\"\n");
445 fprintf(f, " Depth %d\n", depth);
446
447 fprintf(f, " FbBpp %d\n",
448 var.bits_per_pixel);
449
450 fprintf(f, " Modes \"%dx%d\"\n", var.xres,
451 var.yres);
452 fprintf(f, " EndSubSection\n");
453 }
454
455 fprintf(f, "EndSection\n");
456 fprintf(f, "%s", dri_section);
457 /*** END Xorg.conf ***/
458
459 fclose(f);
460
461 fprintf(stdout, "Wrote /etc/X11/xorg.conf\n");
462 fprintf(stdout, "Please check the configuration file for additional options\n");
463
464 return 0;
465 }

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