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

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Revision 1.1.1.1 - (show annotations) (download) (as text) (vendor branch)
Mon Apr 18 01:25:26 2005 UTC (9 years, 4 months ago) by pylon
Branch: Xorgautoconfig
CVS Tags: start
Changes since 1.1: +0 -0 lines
File MIME type: text/x-csrc
Autoconfigure X.Org on ppc machines

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
34 #include "ddcprobe/common.h"
35 #include "ddcprobe/vesamode.h"
36 #include "Xorgtext.h"
37
38 extern int bus, dev, func;
39 extern void findVideoDevice(void);
40 extern void help();
41 extern void usage();
42 extern char * macMachineType(void);
43
44 struct monitor_sync
45 {
46 int h_min;
47 int h_max;
48 int v_min;
49 int v_max;
50 };
51
52 int main(int argc, char **argv) {
53 FILE * f;
54 int i, depth, fd;
55 int rc = 0, offb = 0, fbdepth = 0, fbdev = 0, nv = 0;
56 unsigned int xsstart, xsend, xtotal = 0;
57 unsigned int ysstart, ysend, ytotal = 0;
58 double drate, vrate, hrate;
59 unsigned int htotal, vtotal;
60 char manufacturer[4];
61
62 struct monitor_sync sync;
63 struct fb_fix_screeninfo fix;
64 struct fb_var_screeninfo var;
65 struct edid1_info *edid_info = NULL;
66
67 const char * name = "/dev/fb0";
68 unsigned char *mem;
69 char *macid;
70 char *eisaid;
71
72 if (!(fd = open(name, O_RDONLY)))
73 rc = 2; /* Failure */
74
75 if (!rc && ioctl(fd, FBIOGET_FSCREENINFO, &fix))
76 rc = 2; /* Failure */
77
78 if (!rc && ioctl(fd, FBIOGET_VSCREENINFO, &var))
79 rc = 2; /* Failure */
80
81 close(fd);
82
83 /* 640x480 framebuffer typically implies a CRT, so lets bump */
84 /* the resolution up to 800x600 to be a bit more sane */
85 if (var.xres == 640 && var.yres == 480) {
86 var.xres = 800;
87 var.yres = 600;
88 }
89
90 if (rc) {
91 fprintf(stderr, "Can't access %s. Exiting.\n", name);
92 return -1;
93 }
94
95 if (argc == 2)
96 {
97 if (!strcmp(argv[1], "--fbdepth"))
98 fbdepth = 1;
99 else if (!strcmp(argv[1], "--fbdev"))
100 fbdev = 1;
101 else if (!strcmp(argv[1], "--safe"))
102 fbdev = fbdepth = 1;
103 else if (!strcmp(argv[1], "--help")) {
104 usage();
105 exit(0);
106 } else {
107 usage();
108 exit(0);
109 }
110 } else if (argc > 2) {
111 usage();
112 exit(0);
113
114 }
115
116 /* Check to see what type of Mac we're on.*/
117 /* e.g. PowerBook1,1 */
118 macid = macMachineType();
119
120 sync.h_min = 0;
121 sync.h_max = 0;
122 sync.v_min = 0;
123 sync.v_max = 0;
124
125 /* Check to see if EDID is available */
126 if ( (sizeof(struct edid1_info) == 256) &&
127 (sizeof(struct edid_monitor_descriptor) == 18) &&
128 get_edid_supported())
129 {
130 edid_info = get_edid_info();
131
132 if ( !(edid_info == NULL) &&
133 !(edid_info->version == 0) &&
134 !(edid_info->version == 0xff && edid_info->revision == 0xff) &&
135 !(edid_info->version == 0 && edid_info->revision == 0))
136 {
137 manufacturer[0] = edid_info->manufacturer_name.char1 + 'A' - 1;
138 manufacturer[1] = edid_info->manufacturer_name.char2 + 'A' - 1;
139 manufacturer[2] = edid_info->manufacturer_name.char3 + 'A' - 1;
140 manufacturer[3] = '\0';
141 eisaid = malloc(sizeof(manufacturer) + sizeof(edid_info->product_code));
142 sprintf(eisaid, "%s%04x", manufacturer, edid_info->product_code);
143
144 for (i = 0; i < 4; i++)
145 {
146 struct edid_monitor_descriptor *monitor = NULL;
147
148 monitor = &edid_info->monitor_details.monitor_descriptor[i];
149
150 if (monitor->type == edid_monitor_descriptor_range)
151 {
152 sync.h_min = monitor->data.range_data.horizontal_min;
153 sync.h_max = monitor->data.range_data.horizontal_max;
154 sync.v_min = monitor->data.range_data.vertical_min;
155 sync.v_max = monitor->data.range_data.vertical_max;
156 }
157 }
158 /* On certain Apple LCD panels, set vertical min and max */
159 if ((eisaid) && (!strcmp(eisaid, "APP1592") ||
160 !strcmp(eisaid, "APPf401") ||
161 !strcmp(eisaid, "APP1792") ||
162 !strcmp(eisaid, "APP1992") ||
163 !strcmp(eisaid, "APP1692") ||
164 !strcmp(eisaid, "APP1892")))
165 sync.v_min = 50;
166 sync.v_max = 60;
167 }
168 }
169
170 /* More or less taken from Geert Uytterhoeven's fbset (GPL'ed as well..) */
171 htotal = var.left_margin+var.xres+var.right_margin+var.hsync_len;
172 vtotal = var.upper_margin+var.yres+var.lower_margin+var.vsync_len;
173 drate = (1E12/var.pixclock);
174 hrate = drate/htotal;
175 vrate = hrate/vtotal;
176 xsstart = var.xres+var.right_margin;
177 xsend = xsstart+var.hsync_len;
178 xtotal = xsend+var.left_margin;
179 ysstart = var.yres+var.lower_margin;
180 ysend = ysstart+var.vsync_len;
181 ytotal = ysend+var.upper_margin;
182 if (var.bits_per_pixel == 8)
183 depth = 8;
184 else
185 depth = var.red.length+var.green.length+var.blue.length;
186
187 /* look for nvidia and offb */
188 if (fix.id)
189 {
190 mem = strdup(fix.id);
191 while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) {
192 mem[i - 1] = '\0';
193 }
194 if (strstr(fix.id, "NVDA") != NULL)
195 nv = 1;
196
197 if (!strncmp(fix.id, "OFfb", 4))
198 offb = 1;
199 }
200
201 findVideoDevice(); /* For BusID */
202
203 /* Let's be nice and backup an existing xorg.conf */
204 if ((f = fopen("/etc/X11/xorg.conf", "r"))) {
205 system("mv /etc/X11/xorg.conf /etc/X11/xorg.xorgautoconfig");
206 }
207
208 if (!(f = fopen("/etc/X11/xorg.conf", "w"))) {
209 fprintf(stderr, "Can't write to /etc/X11/xorg.conf. Exiting.\n");
210 return -1;;
211 }
212
213
214 /*** BEGIN xorg.conf ***/
215 fprintf(f, "%s", header);
216
217 /* fontpath */
218 fprintf(f, "%s", fontpath_gentoo);
219
220 /* modules section */
221 fprintf(f, "%s", modules_section);
222
223 /* extensions section */
224 fprintf(f, "%s", extensions_section);
225
226 /* serverflags section */
227 fprintf(f, "%s", serverflags_section);
228
229 /* input dev section */
230 fprintf(f, "%s", inputdev_section);
231
232 /* keyboard */
233 fprintf(f, "%s", keyboard_linux);
234
235 /* mouse */
236 fprintf(f, "%s", mouse_section);
237 fprintf(f, "IMPS/2\"\n");
238 fprintf(f, " Option \"Device\" \"/dev/input/mice\"\n");
239 fprintf(f, "EndSection\n\n");
240
241 /* monitor section */
242 if (!offb)
243 fprintf(f, "%s", monitor_section);
244 else
245 fprintf(f, "%s", monitor_section_nomodes);
246
247 /* Use EDID's horizsync / vert refresh first, otherwise try to be sane */
248 if (sync.h_min && sync.h_max && sync.v_min && sync.v_max)
249 {
250 fprintf(f, "\tHorizSync %d-%d\n\tVertRefresh %d-%d\n",
251 sync.h_min, sync.h_max, sync.v_min, sync.v_max);
252 } else if (!strncmp(macid, "PowerMac4,2", 11)) {
253 fprintf(f, "\tHorizSync 28-49 \n\tVertRefresh 50-60\n");
254 } else if (sync.v_min && sync.v_max) {
255 /* Apple Studio/Cinema Display case */
256 fprintf(f, "\tHorizSync 30-130\n\tVertRefresh %d-%d\n",
257 sync.v_min, sync.v_max);
258 } else {
259 if(var.xres <= 640)
260 fprintf(f, " HorizSync 28-33\n VertRefresh 43-72\n");
261 else if(var.xres <= 800)
262 fprintf(f, " HorizSync 28-50\n VertRefresh 43-75\n");
263 else if(var.xres <= 1024)
264 fprintf(f, " HorizSync 30-70\n VertRefresh 50-160\n");
265 else if(var.xres <= 1152)
266 fprintf(f, " HorizSync 30-100\n VertRefresh 50-160\n");
267 else
268 fprintf(f, " HorizSync 30-130\n VertRefresh 50-160\n");
269 }
270
271 if (!offb)
272 {
273 fprintf(f, "%s", modes_section);
274 fprintf(f, " # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", drate/1E6,
275 hrate/1E3, vrate);
276 fprintf(f, " Modeline \"%dx%d\" %5.3f %d %d %d %d %d %d %d %d ",
277 var.xres, var.yres, drate/1E6, var.xres, xsstart, xsend,
278 xtotal, var.yres, ysstart, ysend, ytotal);
279 if (var.vmode & FB_VMODE_INTERLACED)
280 fprintf(f, " Interlace");
281 if (var.vmode & FB_VMODE_DOUBLE)
282 fprintf(f, " DoubleScan");
283 if (var.sync & FB_SYNC_HOR_HIGH_ACT)
284 fprintf(f, " +HSync");
285 else
286 fprintf(f, " -HSync");
287 if (var.sync & FB_SYNC_VERT_HIGH_ACT)
288 fprintf(f, " +VSync");
289 else
290 fprintf(f, " -VSync");
291 if (var.sync & FB_SYNC_COMP_HIGH_ACT)
292 fprintf(f, " Composite");
293 if (var.sync & FB_SYNC_BROADCAST)
294 fprintf(f, " bcast");
295 }
296 fprintf(f, "%s", device_start);
297 depth = 16;
298
299 /* See if we know where the card is, if not... */
300 if (nv) {
301 if (!strncmp(macid, "PowerMac4,2", 11) || !strncmp(macid, "PowerMac4,5", 11))
302 fprintf(f, " Option \"FlatPanel\"\n");
303 fprintf(f, " Driver \"nv\"\n");
304 } else if((fbdev) || (bus == 0 && dev == 0 && func == 0)) {
305 if (!fbdev) {
306 fprintf(f, " # We couldn't determine the BusID of your ");
307 fprintf(f, "video card. So we will use\n# the fbdev driver\n");
308 }
309 fprintf(f, " #Option \"ShadowFB\" \"true\"\n");
310 fprintf(f, " #Option \"fbdev\" \"%s\"\n", name);
311 fprintf(f, " Driver \"fbdev\"\n");
312 fprintf(f, " #BusID \"0:0:0\"\n");
313 depth = 15;
314 } else {
315 /* Try and guess what video card is behind /dev/fb0 */
316 switch(fix.accel) {
317 /* ATI Mach64 Family cards */
318 case 6:
319 case 8:
320 case 9:
321 case 10:
322 fprintf(f, "%s", driver_on_opts);
323 fprintf(f, " Driver \"ati\"\n");
324 break;
325 /* IMS Twin Turbo */
326 case 14:
327 fprintf(f, "%s", driver_off_opts);
328 fprintf(f, " Driver \"imstt\"\n");
329 break;
330 /* Matrox Family */
331 case 16:
332 case 17:
333 case 18:
334 case 20:
335 case 21:
336 case 26:
337 fprintf(f, "%s", driver_off_opts);
338 fprintf(f, " Driver \"mga\"\n");
339 break;
340 /* Chips&Technology 6555x */
341 /* Apparently this is broken...
342 case 30:
343 fprintf(f, "%s", driver_off_opts);
344 fprintf(f, " Driver \"chips\"\n");
345 break;
346 */
347 /* VooDoo 3 / Banshee */
348 case 31:
349 fprintf(f, "%s", driver_off_opts);
350 fprintf(f, " Driver \"tdfx\"\n");
351 break;
352 /* ATI Rage 128 Family */
353 case 32:
354 fprintf(f, "%s", driver_on_opts);
355 fprintf(f, " Driver \"r128\"\n");
356 break;
357 /* ATI Radeon */
358 case 38:
359 fprintf(f, "%s", driver_on_opts);
360 fprintf(f, " Driver \"radeon\"\n");
361 break;
362 default:
363 /* radeon seems to be broken on VE (aka 7000) */
364 if ((!strncmp(fix.id, "ATI Radeon", 10)) &&
365 (strncmp(fix.id, "ATI Radeon VE", 13))) {
366 fprintf(f, "%s", driver_on_opts);
367 fprintf(f, " Driver \"radeon\"\n");
368 } else if (!strncmp(fix.id, "Rage128", 7)) {
369 fprintf(f, "%s", driver_on_opts);
370 fprintf(f, " Driver \"r128\"\n");
371 } else if (!strncmp(fix.id, "Rage Mobility M3", 16)) {
372 fprintf(f, "%s", driver_on_opts);
373 fprintf(f, " Driver \"r128\"\n");
374 } else {
375 fprintf(f, " #Option \"ShadowFB\"");
376 fprintf(f, " \"true\"\n");
377 fprintf(f, " Driver \"fbdev\"\n");
378 depth = 15;
379 }
380 break;
381 }
382 fprintf(f, " BusID \"PCI:%d:%d:%d\"\n", bus, dev, func);
383 }
384 fprintf(f, "%s", screen_section);
385 fprintf(f, "%d\n", depth);
386 if(fbdepth && depth != var.bits_per_pixel)
387 fprintf(f," DefaultFbBpp %d\n", var.bits_per_pixel);
388
389 /* Print this out for 8 / 16 / 24 */
390 for (i = 8;i <= 24;i = i + 8)
391 {
392 fprintf(f, " SubSection \"Display\"\n");
393 fprintf(f, " Depth %d\n", i);
394
395 /* If they've got 32bit use it, otherwise use 24 */
396 if (depth == 24 && depth != var.bits_per_pixel)
397 fprintf(f, " FbBpp %d\n",
398 var.bits_per_pixel);
399
400 fprintf(f, " Modes \"%dx%d\"\n", var.xres,
401 var.yres);
402 fprintf(f, " EndSubSection\n");
403 }
404
405 /* To catch depth = 15, common :( */
406 if(depth == 15) {
407 fprintf(f, " SubSection \"Display\"\n");
408 fprintf(f, " Depth %d\n", depth);
409
410 fprintf(f, " FbBpp %d\n",
411 var.bits_per_pixel);
412
413 fprintf(f, " Modes \"%dx%d\"\n", var.xres,
414 var.yres);
415 fprintf(f, " EndSubSection\n");
416 }
417
418 fprintf(f, "EndSection\n");
419 fprintf(f, "%s", dri_section);
420 /*** END XF86Config ***/
421
422 fclose(f);
423
424 fprintf(stdout, "Wrote /etc/X11/xorg.conf\n");
425
426 return 0;
427 }

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