/[gentoo-src]/Xorgautoconfig/Xorgautoconfig.c
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Revision 1.4 - (hide annotations) (download) (as text)
Tue Apr 19 19:25:11 2005 UTC (9 years, 6 months ago) by josejx
Branch: MAIN
Changes since 1.3: +6 -2 lines
File MIME type: text/x-csrc
Added list of keymaps

1 pylon 1.1 /* Xorgautoconfig: versatile xorg.conf creation tool for PowerPC
2     *
3     * Copyright (C) 2005 Lars Weiler <pylon@gentoo.org>
4 josejx 1.3 * Copyright (C) 2005 Joseph Jezak <josejx@gentoo.org>
5 pylon 1.1 *
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 josejx 1.3 * Thanks for this good start for an X.Org configurator!
14 pylon 1.1 *
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 pylon 1.2 #include <dirent.h>
35 pylon 1.1
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 josejx 1.3 char keyboard_layout[32];
74     memset(keyboard_layout, 0, 32);
75 josejx 1.4 DIR *testdir;
76     char path[256];
77 josejx 1.3
78 pylon 1.1 if (!(fd = open(name, O_RDONLY)))
79     rc = 2; /* Failure */
80    
81     if (!rc && ioctl(fd, FBIOGET_FSCREENINFO, &fix))
82     rc = 2; /* Failure */
83    
84     if (!rc && ioctl(fd, FBIOGET_VSCREENINFO, &var))
85     rc = 2; /* Failure */
86    
87     close(fd);
88    
89     /* 640x480 framebuffer typically implies a CRT, so lets bump */
90     /* the resolution up to 800x600 to be a bit more sane */
91     if (var.xres == 640 && var.yres == 480) {
92     var.xres = 800;
93     var.yres = 600;
94     }
95    
96     if (rc) {
97     fprintf(stderr, "Can't access %s. Exiting.\n", name);
98     return -1;
99     }
100    
101 josejx 1.3 if (argc > 1) {
102     int args;
103     for(args = 1; args<argc; args++) {
104     if (!strcmp(argv[args], "--fbdepth"))
105     fbdepth = 1;
106     else if (!strcmp(argv[args], "--fbdev"))
107     fbdev = 1;
108     else if (!strcmp(argv[args], "--safe"))
109     fbdev = fbdepth = 1;
110     else if (!strncmp(argv[args], "--keymap=", 9)) {
111     strncpy(keyboard_layout, argv[args] + 9 , 29);
112     strcat(keyboard_layout, "\"\n");
113 josejx 1.4 }
114     else if (!strcmp(argv[args], "--list-keymaps")) {
115     printf("%s", keymap_list);
116     exit(0);
117 josejx 1.3 } else {
118     usage();
119     exit(0);
120     }
121 pylon 1.1 }
122     }
123    
124     /* Check to see what type of Mac we're on.*/
125     /* e.g. PowerBook1,1 */
126     macid = macMachineType();
127    
128     sync.h_min = 0;
129     sync.h_max = 0;
130     sync.v_min = 0;
131     sync.v_max = 0;
132    
133     /* Check to see if EDID is available */
134     if ( (sizeof(struct edid1_info) == 256) &&
135     (sizeof(struct edid_monitor_descriptor) == 18) &&
136     get_edid_supported())
137     {
138     edid_info = get_edid_info();
139    
140     if ( !(edid_info == NULL) &&
141     !(edid_info->version == 0) &&
142     !(edid_info->version == 0xff && edid_info->revision == 0xff) &&
143     !(edid_info->version == 0 && edid_info->revision == 0))
144     {
145     manufacturer[0] = edid_info->manufacturer_name.char1 + 'A' - 1;
146     manufacturer[1] = edid_info->manufacturer_name.char2 + 'A' - 1;
147     manufacturer[2] = edid_info->manufacturer_name.char3 + 'A' - 1;
148     manufacturer[3] = '\0';
149     eisaid = malloc(sizeof(manufacturer) + sizeof(edid_info->product_code));
150     sprintf(eisaid, "%s%04x", manufacturer, edid_info->product_code);
151    
152     for (i = 0; i < 4; i++)
153     {
154     struct edid_monitor_descriptor *monitor = NULL;
155    
156     monitor = &edid_info->monitor_details.monitor_descriptor[i];
157    
158     if (monitor->type == edid_monitor_descriptor_range)
159     {
160     sync.h_min = monitor->data.range_data.horizontal_min;
161     sync.h_max = monitor->data.range_data.horizontal_max;
162     sync.v_min = monitor->data.range_data.vertical_min;
163     sync.v_max = monitor->data.range_data.vertical_max;
164     }
165     }
166     /* On certain Apple LCD panels, set vertical min and max */
167     if ((eisaid) && (!strcmp(eisaid, "APP1592") ||
168     !strcmp(eisaid, "APPf401") ||
169     !strcmp(eisaid, "APP1792") ||
170     !strcmp(eisaid, "APP1992") ||
171     !strcmp(eisaid, "APP1692") ||
172     !strcmp(eisaid, "APP1892")))
173     sync.v_min = 50;
174     sync.v_max = 60;
175     }
176     }
177    
178     /* More or less taken from Geert Uytterhoeven's fbset (GPL'ed as well..) */
179     htotal = var.left_margin+var.xres+var.right_margin+var.hsync_len;
180     vtotal = var.upper_margin+var.yres+var.lower_margin+var.vsync_len;
181     drate = (1E12/var.pixclock);
182     hrate = drate/htotal;
183     vrate = hrate/vtotal;
184     xsstart = var.xres+var.right_margin;
185     xsend = xsstart+var.hsync_len;
186     xtotal = xsend+var.left_margin;
187     ysstart = var.yres+var.lower_margin;
188     ysend = ysstart+var.vsync_len;
189     ytotal = ysend+var.upper_margin;
190     if (var.bits_per_pixel == 8)
191     depth = 8;
192     else
193     depth = var.red.length+var.green.length+var.blue.length;
194    
195     /* look for nvidia and offb */
196     if (fix.id)
197     {
198     mem = strdup(fix.id);
199     while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) {
200     mem[i - 1] = '\0';
201     }
202     if (strstr(fix.id, "NVDA") != NULL)
203     nv = 1;
204    
205     if (!strncmp(fix.id, "OFfb", 4))
206     offb = 1;
207     }
208    
209     findVideoDevice(); /* For BusID */
210    
211     /* Let's be nice and backup an existing xorg.conf */
212     if ((f = fopen("/etc/X11/xorg.conf", "r"))) {
213     system("mv /etc/X11/xorg.conf /etc/X11/xorg.xorgautoconfig");
214     }
215    
216     if (!(f = fopen("/etc/X11/xorg.conf", "w"))) {
217     fprintf(stderr, "Can't write to /etc/X11/xorg.conf. Exiting.\n");
218     return -1;;
219     }
220    
221     /*** BEGIN xorg.conf ***/
222     fprintf(f, "%s", header);
223    
224 pylon 1.2 /* Set fontpaths */
225     DIR *fontdir = opendir(FONTPATH);
226     struct dirent *fontpath;
227    
228     /* Add x fontserver note */
229     fprintf(f, "%s", fontpath_xfs);
230     if(fontdir != NULL) {
231     while ((fontpath = readdir (fontdir))) {
232     if((fontpath->d_name)[0] != '.') {
233     /* Only add directories */
234     strcpy(path, FONTPATH);
235     strcat(path, fontpath->d_name);
236     strcat(path, "/");
237     testdir = opendir(path);
238     if(testdir != NULL) {
239     fprintf(f, "\tFontPath\t\"%s\"\n",
240     path);
241     if(!strncmp(fontpath->d_name,"75dpi",5) ||
242     !strncmp(fontpath->d_name,"100dpi",6)){
243     fprintf(f, "\tFontPath\t\"%s:unscaled\"\n",
244     path);
245     }
246     closedir(testdir);
247     }
248     }
249     }
250     closedir(fontdir);
251     }
252     else {
253     fprintf(f, "%s", fontpath_gentoo);
254     }
255     fprintf(f, "EndSection\n\n");
256 pylon 1.1
257     /* modules section */
258     fprintf(f, "%s", modules_section);
259    
260     /* extensions section */
261     fprintf(f, "%s", extensions_section);
262    
263     /* serverflags section */
264     fprintf(f, "%s", serverflags_section);
265    
266     /* input dev section */
267     fprintf(f, "%s", inputdev_section);
268    
269     /* keyboard */
270    
271 josejx 1.3 if(0 == keyboard_layout[0])
272     strcpy(keyboard_layout, "us\"\n");
273     fprintf(f, "%s", keyboard_linux_start);
274     fprintf(f, "%s", keyboard_layout);
275     fprintf(f, "%s", keyboard_linux_end);
276    
277 pylon 1.1 /* mouse */
278     fprintf(f, "%s", mouse_section);
279    
280     /* monitor section */
281     if (!offb)
282     fprintf(f, "%s", monitor_section);
283     else
284     fprintf(f, "%s", monitor_section_nomodes);
285    
286     /* Use EDID's horizsync / vert refresh first, otherwise try to be sane */
287     if (sync.h_min && sync.h_max && sync.v_min && sync.v_max)
288     {
289     fprintf(f, "\tHorizSync %d-%d\n\tVertRefresh %d-%d\n",
290     sync.h_min, sync.h_max, sync.v_min, sync.v_max);
291     } else if (!strncmp(macid, "PowerMac4,2", 11)) {
292     fprintf(f, "\tHorizSync 28-49 \n\tVertRefresh 50-60\n");
293     } else if (sync.v_min && sync.v_max) {
294     /* Apple Studio/Cinema Display case */
295     fprintf(f, "\tHorizSync 30-130\n\tVertRefresh %d-%d\n",
296     sync.v_min, sync.v_max);
297     } else {
298     if(var.xres <= 640)
299     fprintf(f, " HorizSync 28-33\n VertRefresh 43-72\n");
300     else if(var.xres <= 800)
301     fprintf(f, " HorizSync 28-50\n VertRefresh 43-75\n");
302     else if(var.xres <= 1024)
303     fprintf(f, " HorizSync 30-70\n VertRefresh 50-160\n");
304     else if(var.xres <= 1152)
305     fprintf(f, " HorizSync 30-100\n VertRefresh 50-160\n");
306     else
307     fprintf(f, " HorizSync 30-130\n VertRefresh 50-160\n");
308     }
309    
310     if (!offb)
311     {
312     fprintf(f, "%s", modes_section);
313     fprintf(f, " # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", drate/1E6,
314     hrate/1E3, vrate);
315     fprintf(f, " Modeline \"%dx%d\" %5.3f %d %d %d %d %d %d %d %d ",
316     var.xres, var.yres, drate/1E6, var.xres, xsstart, xsend,
317     xtotal, var.yres, ysstart, ysend, ytotal);
318     if (var.vmode & FB_VMODE_INTERLACED)
319     fprintf(f, " Interlace");
320     if (var.vmode & FB_VMODE_DOUBLE)
321     fprintf(f, " DoubleScan");
322     if (var.sync & FB_SYNC_HOR_HIGH_ACT)
323     fprintf(f, " +HSync");
324     else
325     fprintf(f, " -HSync");
326     if (var.sync & FB_SYNC_VERT_HIGH_ACT)
327     fprintf(f, " +VSync");
328     else
329     fprintf(f, " -VSync");
330     if (var.sync & FB_SYNC_COMP_HIGH_ACT)
331     fprintf(f, " Composite");
332     if (var.sync & FB_SYNC_BROADCAST)
333     fprintf(f, " bcast");
334     }
335     fprintf(f, "%s", device_start);
336     depth = 16;
337    
338     /* See if we know where the card is, if not... */
339     if (nv) {
340     if (!strncmp(macid, "PowerMac4,2", 11) || !strncmp(macid, "PowerMac4,5", 11))
341     fprintf(f, " Option \"FlatPanel\"\n");
342 pylon 1.2 fprintf(f, "%s", driver_nv);
343 josejx 1.3 fprintf(f, " Driver\t\"nv\"\n");
344 pylon 1.1 } else if((fbdev) || (bus == 0 && dev == 0 && func == 0)) {
345     if (!fbdev) {
346     fprintf(f, " # We couldn't determine the BusID of your ");
347     fprintf(f, "video card. So we will use\n# the fbdev driver\n");
348     }
349     fprintf(f, " #Option \"ShadowFB\" \"true\"\n");
350     fprintf(f, " #Option \"fbdev\" \"%s\"\n", name);
351 josejx 1.3 fprintf(f, " Driver\t\"fbdev\"\n");
352 pylon 1.1 fprintf(f, " #BusID \"0:0:0\"\n");
353     depth = 15;
354     } else {
355     /* Try and guess what video card is behind /dev/fb0 */
356     switch(fix.accel) {
357     /* ATI Mach64 Family cards */
358     case 6:
359     case 8:
360     case 9:
361     case 10:
362     fprintf(f, "%s", driver_on_opts);
363 josejx 1.3 fprintf(f, " Driver\t\"ati\"\n");
364 pylon 1.1 break;
365     /* IMS Twin Turbo */
366     case 14:
367     fprintf(f, "%s", driver_off_opts);
368 josejx 1.3 fprintf(f, " Driver\t\"imstt\"\n");
369 pylon 1.1 break;
370     /* Matrox Family */
371     case 16:
372     case 17:
373     case 18:
374     case 20:
375     case 21:
376     case 26:
377     fprintf(f, "%s", driver_off_opts);
378 josejx 1.3 fprintf(f, " Driver\t\"mga\"\n");
379 pylon 1.1 break;
380     /* Chips&Technology 6555x */
381     /* Apparently this is broken...
382     case 30:
383     fprintf(f, "%s", driver_off_opts);
384 josejx 1.3 fprintf(f, " Driver\t\"chips\"\n");
385 pylon 1.1 break;
386     */
387     /* VooDoo 3 / Banshee */
388     case 31:
389     fprintf(f, "%s", driver_off_opts);
390 josejx 1.3 fprintf(f, " Driver\t\"tdfx\"\n");
391 pylon 1.1 break;
392     /* ATI Rage 128 Family */
393     case 32:
394 pylon 1.2 fprintf(f, "%s", driver_r128);
395 josejx 1.3 fprintf(f, " Driver\t\"r128\"\n");
396 pylon 1.1 break;
397     /* ATI Radeon */
398     case 38:
399 pylon 1.2 fprintf(f, "%s", driver_radeon);
400 josejx 1.3 fprintf(f, " Driver\t\"radeon\"\n");
401 pylon 1.1 break;
402     default:
403 pylon 1.2 /* FIXME still broken? */
404 pylon 1.1 /* radeon seems to be broken on VE (aka 7000) */
405     if ((!strncmp(fix.id, "ATI Radeon", 10)) &&
406     (strncmp(fix.id, "ATI Radeon VE", 13))) {
407 pylon 1.2 fprintf(f, "%s", driver_radeon);
408 josejx 1.3 fprintf(f, " Driver\t\"radeon\"\n");
409 pylon 1.1 } else if (!strncmp(fix.id, "Rage128", 7)) {
410 pylon 1.2 fprintf(f, "%s", driver_r128);
411 josejx 1.3 fprintf(f, " Driver\t\"r128\"\n");
412 pylon 1.1 } else if (!strncmp(fix.id, "Rage Mobility M3", 16)) {
413 pylon 1.2 fprintf(f, "%s", driver_r128);
414 josejx 1.3 fprintf(f, " Driver\t\"r128\"\n");
415 pylon 1.1 } else {
416     fprintf(f, " #Option \"ShadowFB\"");
417     fprintf(f, " \"true\"\n");
418 josejx 1.3 fprintf(f, " Driver\t\"fbdev\"\n");
419 pylon 1.1 depth = 15;
420     }
421     break;
422     }
423     fprintf(f, " BusID \"PCI:%d:%d:%d\"\n", bus, dev, func);
424     }
425     fprintf(f, "%s", screen_section);
426     fprintf(f, "%d\n", depth);
427     if(fbdepth && depth != var.bits_per_pixel)
428     fprintf(f," DefaultFbBpp %d\n", var.bits_per_pixel);
429    
430     /* Print this out for 8 / 16 / 24 */
431     for (i = 8;i <= 24;i = i + 8)
432     {
433     fprintf(f, " SubSection \"Display\"\n");
434     fprintf(f, " Depth %d\n", i);
435    
436     /* If they've got 32bit use it, otherwise use 24 */
437     if (depth == 24 && depth != var.bits_per_pixel)
438     fprintf(f, " FbBpp %d\n",
439     var.bits_per_pixel);
440    
441     fprintf(f, " Modes \"%dx%d\"\n", var.xres,
442     var.yres);
443     fprintf(f, " EndSubSection\n");
444     }
445    
446     /* To catch depth = 15, common :( */
447     if(depth == 15) {
448     fprintf(f, " SubSection \"Display\"\n");
449     fprintf(f, " Depth %d\n", depth);
450    
451     fprintf(f, " FbBpp %d\n",
452     var.bits_per_pixel);
453    
454     fprintf(f, " Modes \"%dx%d\"\n", var.xres,
455     var.yres);
456     fprintf(f, " EndSubSection\n");
457     }
458    
459     fprintf(f, "EndSection\n");
460     fprintf(f, "%s", dri_section);
461 pylon 1.2 /*** END Xorg.conf ***/
462 pylon 1.1
463     fclose(f);
464    
465 pylon 1.2 fprintf(stdout, "Wrote /etc/X11/xorg.conf\n");
466     fprintf(stdout, "Please check the configuration file for additional options\n");
467 pylon 1.1
468     return 0;
469     }

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