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

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Revision 1.9 - (hide annotations) (download) (as text)
Sun Jun 12 02:45:22 2005 UTC (9 years, 6 months ago) by josejx
Branch: MAIN
Changes since 1.8: +1 -0 lines
File MIME type: text/x-csrc
Fixed string error.

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 1.6
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 josejx 1.3
82 pylon 1.1 if (!(fd = open(name, O_RDONLY)))
83     rc = 2; /* Failure */
84    
85     if (!rc && ioctl(fd, FBIOGET_FSCREENINFO, &fix))
86     rc = 2; /* Failure */
87    
88     if (!rc && ioctl(fd, FBIOGET_VSCREENINFO, &var))
89     rc = 2; /* Failure */
90    
91     close(fd);
92    
93     /* 640x480 framebuffer typically implies a CRT, so lets bump */
94     /* the resolution up to 800x600 to be a bit more sane */
95     if (var.xres == 640 && var.yres == 480) {
96     var.xres = 800;
97     var.yres = 600;
98     }
99    
100     if (rc) {
101     fprintf(stderr, "Can't access %s. Exiting.\n", name);
102     return -1;
103     }
104    
105 josejx 1.3 if (argc > 1) {
106     int args;
107     for(args = 1; args<argc; args++) {
108     if (!strcmp(argv[args], "--fbdepth"))
109     fbdepth = 1;
110     else if (!strcmp(argv[args], "--fbdev"))
111     fbdev = 1;
112     else if (!strcmp(argv[args], "--safe"))
113     fbdev = fbdepth = 1;
114     else if (!strncmp(argv[args], "--keymap=", 9)) {
115     strncpy(keyboard_layout, argv[args] + 9 , 29);
116     strcat(keyboard_layout, "\"\n");
117 josejx 1.4 }
118     else if (!strcmp(argv[args], "--list-keymaps")) {
119     printf("%s", keymap_list);
120     exit(0);
121 josejx 1.3 } else {
122     usage();
123     exit(0);
124     }
125 pylon 1.1 }
126     }
127    
128     /* Check to see what type of Mac we're on.*/
129     /* e.g. PowerBook1,1 */
130     macid = macMachineType();
131    
132     sync.h_min = 0;
133     sync.h_max = 0;
134     sync.v_min = 0;
135     sync.v_max = 0;
136    
137     /* Check to see if EDID is available */
138     if ( (sizeof(struct edid1_info) == 256) &&
139     (sizeof(struct edid_monitor_descriptor) == 18) &&
140     get_edid_supported())
141     {
142     edid_info = get_edid_info();
143    
144     if ( !(edid_info == NULL) &&
145     !(edid_info->version == 0) &&
146     !(edid_info->version == 0xff && edid_info->revision == 0xff) &&
147     !(edid_info->version == 0 && edid_info->revision == 0))
148     {
149     manufacturer[0] = edid_info->manufacturer_name.char1 + 'A' - 1;
150     manufacturer[1] = edid_info->manufacturer_name.char2 + 'A' - 1;
151     manufacturer[2] = edid_info->manufacturer_name.char3 + 'A' - 1;
152     manufacturer[3] = '\0';
153     eisaid = malloc(sizeof(manufacturer) + sizeof(edid_info->product_code));
154     sprintf(eisaid, "%s%04x", manufacturer, edid_info->product_code);
155    
156     for (i = 0; i < 4; i++)
157     {
158     struct edid_monitor_descriptor *monitor = NULL;
159    
160     monitor = &edid_info->monitor_details.monitor_descriptor[i];
161    
162     if (monitor->type == edid_monitor_descriptor_range)
163     {
164     sync.h_min = monitor->data.range_data.horizontal_min;
165     sync.h_max = monitor->data.range_data.horizontal_max;
166     sync.v_min = monitor->data.range_data.vertical_min;
167     sync.v_max = monitor->data.range_data.vertical_max;
168     }
169     }
170     /* On certain Apple LCD panels, set vertical min and max */
171     if ((eisaid) && (!strcmp(eisaid, "APP1592") ||
172     !strcmp(eisaid, "APPf401") ||
173     !strcmp(eisaid, "APP1792") ||
174     !strcmp(eisaid, "APP1992") ||
175     !strcmp(eisaid, "APP1692") ||
176     !strcmp(eisaid, "APP1892")))
177     sync.v_min = 50;
178     sync.v_max = 60;
179     }
180     }
181    
182     /* More or less taken from Geert Uytterhoeven's fbset (GPL'ed as well..) */
183     htotal = var.left_margin+var.xres+var.right_margin+var.hsync_len;
184     vtotal = var.upper_margin+var.yres+var.lower_margin+var.vsync_len;
185     drate = (1E12/var.pixclock);
186     hrate = drate/htotal;
187     vrate = hrate/vtotal;
188     xsstart = var.xres+var.right_margin;
189     xsend = xsstart+var.hsync_len;
190     xtotal = xsend+var.left_margin;
191     ysstart = var.yres+var.lower_margin;
192     ysend = ysstart+var.vsync_len;
193     ytotal = ysend+var.upper_margin;
194     if (var.bits_per_pixel == 8)
195     depth = 8;
196     else
197     depth = var.red.length+var.green.length+var.blue.length;
198    
199     /* look for nvidia and offb */
200     if (fix.id)
201     {
202     mem = strdup(fix.id);
203     while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) {
204     mem[i - 1] = '\0';
205     }
206     if (strstr(fix.id, "NVDA") != NULL)
207     nv = 1;
208    
209     if (!strncmp(fix.id, "OFfb", 4))
210     offb = 1;
211     }
212    
213     findVideoDevice(); /* For BusID */
214    
215 josejx 1.6 /* Work out the card specifics to figure out if we need DRI, etc. */
216     depth = 16;
217 josejx 1.9 memset(videobuf, 0, MAX_VIDEO_LEN);
218 josejx 1.6 if (nv) {
219     if (!strncmp(macid, "PowerMac4,2", 11) || !strncmp(macid, "PowerMac4,5", 11))
220     fprintf(f, " Option \"FlatPanel\"\n");
221 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_nv);
222     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"nv\"\n");
223 josejx 1.6 dri = FALSE;
224     } else if((fbdev) || (bus == 0 && dev == 0 && func == 0)) {
225     if (!fbdev) {
226 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " # We couldn't determine the BusID of your ");
227     videolen -= snprintf(videobuf + strlen(videobuf), videolen, "video card. So we will use\n# the fbdev driver\n");
228 josejx 1.6 }
229 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"ShadowFB\" \"true\"\n");
230     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"fbdev\" \"%s\"\n", name);
231     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"fbdev\"\n");
232     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #BusID \"0:0:0\"\n");
233 josejx 1.6 depth = 15;
234     dri = FALSE;
235     } else {
236     /* Try and guess what video card is behind /dev/fb0 */
237     switch(fix.accel) {
238     /* ATI Mach64 Family cards */
239     case 6:
240     case 8:
241     case 9:
242     case 10:
243 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_on_opts);
244     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"ati\"\n");
245 josejx 1.6 dri = FALSE; /* Can this be enabled? */
246     break;
247     /* IMS Twin Turbo */
248     case 14:
249 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
250     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"imstt\"\n");
251 josejx 1.6 dri = FALSE; /* Can this be enabled? */
252     break;
253     /* Matrox Family */
254     case 16:
255     case 17:
256     case 18:
257     case 20:
258     case 21:
259     case 26:
260 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
261     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"mga\"\n");
262 josejx 1.6 dri = FALSE; /* Can this be enabled? */
263     break;
264     /* Chips&Technology 6555x */
265     /* Is this still broken?
266     case 30:
267 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
268     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"chips\"\n");
269 josejx 1.6 dri = FALSE;
270     break;
271     */
272     /* VooDoo 3 / Banshee */
273     case 31:
274 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
275     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"tdfx\"\n");
276 josejx 1.6 dri = FALSE; /* Can this be enabled? */
277     break;
278     /* ATI Rage 128 Family */
279     case 32:
280 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
281     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
282 josejx 1.6 dri = TRUE;
283     break;
284     /* ATI Radeon */
285     /* FIXME what are the values for radeon > 9200? */
286     case 38:
287 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_radeon);
288 josejx 1.6 if(!strncmp(macid + 5, "Pegasos", 7))
289 josejx 1.8 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", "\tOption\t\"BusType\"\t\"PCI\"\n");
290 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"radeon\"\n");
291 josejx 1.6 dri = TRUE;
292     break;
293     default:
294     /* FIXME still broken? */
295     /* radeon seems to be broken on VE (aka 7000) */
296     if ((!strncmp(fix.id, "ATI Radeon", 10)) &&
297     (strncmp(fix.id, "ATI Radeon VE", 13))) {
298 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_radeon);
299 josejx 1.6 if(!strncmp(macid + 5, "Pegasos", 7))
300 josejx 1.8 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", "\tOption\t\"BusType\"\t\"PCI\"\n");
301 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"radeon\"\n");
302 josejx 1.6 dri = TRUE;
303     } else if (!strncmp(fix.id, "Rage128", 7)) {
304 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
305     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
306 josejx 1.6 dri = TRUE;
307     } else if (!strncmp(fix.id, "Rage Mobility M3", 16)) {
308 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
309     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
310 josejx 1.6 dri = TRUE;
311     } else {
312 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"ShadowFB\" \"true\"\n");
313     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"fbdev\"\n");
314 josejx 1.6 dri = FALSE;
315     depth = 15;
316     }
317     break;
318     }
319 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " BusID \"PCI:%d:%d:%d\"\n", bus, dev, func);
320 josejx 1.6 }
321    
322 pylon 1.1 /* Let's be nice and backup an existing xorg.conf */
323     if ((f = fopen("/etc/X11/xorg.conf", "r"))) {
324 pylon 1.5 system("mv /etc/X11/xorg.conf /etc/X11/xorg.conf.autobak");
325     printf("The current xorg.conf has been copied into /etc/X11/xorg.conf.autobak\n");
326 pylon 1.1 }
327    
328 pylon 1.5 /* Check the permissions for writing */
329 pylon 1.1 if (!(f = fopen("/etc/X11/xorg.conf", "w"))) {
330     fprintf(stderr, "Can't write to /etc/X11/xorg.conf. Exiting.\n");
331     return -1;;
332     }
333    
334     /*** BEGIN xorg.conf ***/
335     fprintf(f, "%s", header);
336    
337 pylon 1.2 /* Set fontpaths */
338     DIR *fontdir = opendir(FONTPATH);
339     struct dirent *fontpath;
340    
341     /* Add x fontserver note */
342     fprintf(f, "%s", fontpath_xfs);
343     if(fontdir != NULL) {
344     while ((fontpath = readdir (fontdir))) {
345     if((fontpath->d_name)[0] != '.') {
346     /* Only add directories */
347     strcpy(path, FONTPATH);
348     strcat(path, fontpath->d_name);
349     strcat(path, "/");
350     testdir = opendir(path);
351     if(testdir != NULL) {
352     fprintf(f, "\tFontPath\t\"%s\"\n",
353     path);
354     if(!strncmp(fontpath->d_name,"75dpi",5) ||
355     !strncmp(fontpath->d_name,"100dpi",6)){
356     fprintf(f, "\tFontPath\t\"%s:unscaled\"\n",
357     path);
358     }
359     closedir(testdir);
360     }
361     }
362     }
363     closedir(fontdir);
364     }
365     else {
366     fprintf(f, "%s", fontpath_gentoo);
367     }
368     fprintf(f, "EndSection\n\n");
369 pylon 1.1
370     /* modules section */
371 josejx 1.6 fprintf(f, "%s", modules_section_start);
372     if(!dri) fprintf(f, "%s", "#");
373     fprintf(f, "%s", modules_section_end);
374 pylon 1.1
375     /* extensions section */
376     fprintf(f, "%s", extensions_section);
377    
378     /* serverflags section */
379     fprintf(f, "%s", serverflags_section);
380    
381     /* input dev section */
382     fprintf(f, "%s", inputdev_section);
383    
384     /* keyboard */
385 josejx 1.3 if(0 == keyboard_layout[0])
386     strcpy(keyboard_layout, "us\"\n");
387     fprintf(f, "%s", keyboard_linux_start);
388     fprintf(f, "%s", keyboard_layout);
389     fprintf(f, "%s", keyboard_linux_end);
390    
391 pylon 1.1 /* mouse */
392     fprintf(f, "%s", mouse_section);
393    
394     /* monitor section */
395     if (!offb)
396     fprintf(f, "%s", monitor_section);
397     else
398     fprintf(f, "%s", monitor_section_nomodes);
399    
400     /* Use EDID's horizsync / vert refresh first, otherwise try to be sane */
401     if (sync.h_min && sync.h_max && sync.v_min && sync.v_max)
402     {
403     fprintf(f, "\tHorizSync %d-%d\n\tVertRefresh %d-%d\n",
404     sync.h_min, sync.h_max, sync.v_min, sync.v_max);
405     } else if (!strncmp(macid, "PowerMac4,2", 11)) {
406     fprintf(f, "\tHorizSync 28-49 \n\tVertRefresh 50-60\n");
407     } else if (sync.v_min && sync.v_max) {
408     /* Apple Studio/Cinema Display case */
409     fprintf(f, "\tHorizSync 30-130\n\tVertRefresh %d-%d\n",
410     sync.v_min, sync.v_max);
411     } else {
412     if(var.xres <= 640)
413     fprintf(f, " HorizSync 28-33\n VertRefresh 43-72\n");
414     else if(var.xres <= 800)
415     fprintf(f, " HorizSync 28-50\n VertRefresh 43-75\n");
416     else if(var.xres <= 1024)
417     fprintf(f, " HorizSync 30-70\n VertRefresh 50-160\n");
418     else if(var.xres <= 1152)
419     fprintf(f, " HorizSync 30-100\n VertRefresh 50-160\n");
420     else
421     fprintf(f, " HorizSync 30-130\n VertRefresh 50-160\n");
422     }
423    
424     if (!offb)
425     {
426     fprintf(f, "%s", modes_section);
427     fprintf(f, " # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", drate/1E6,
428     hrate/1E3, vrate);
429     fprintf(f, " Modeline \"%dx%d\" %5.3f %d %d %d %d %d %d %d %d ",
430     var.xres, var.yres, drate/1E6, var.xres, xsstart, xsend,
431     xtotal, var.yres, ysstart, ysend, ytotal);
432     if (var.vmode & FB_VMODE_INTERLACED)
433     fprintf(f, " Interlace");
434     if (var.vmode & FB_VMODE_DOUBLE)
435     fprintf(f, " DoubleScan");
436     if (var.sync & FB_SYNC_HOR_HIGH_ACT)
437     fprintf(f, " +HSync");
438     else
439     fprintf(f, " -HSync");
440     if (var.sync & FB_SYNC_VERT_HIGH_ACT)
441     fprintf(f, " +VSync");
442     else
443     fprintf(f, " -VSync");
444     if (var.sync & FB_SYNC_COMP_HIGH_ACT)
445     fprintf(f, " Composite");
446     if (var.sync & FB_SYNC_BROADCAST)
447     fprintf(f, " bcast");
448     }
449     fprintf(f, "%s", device_start);
450 josejx 1.6 fprintf(f, "%s", videobuf);
451 pylon 1.1 fprintf(f, "%s", screen_section);
452     fprintf(f, "%d\n", depth);
453     if(fbdepth && depth != var.bits_per_pixel)
454     fprintf(f," DefaultFbBpp %d\n", var.bits_per_pixel);
455    
456     /* Print this out for 8 / 16 / 24 */
457     for (i = 8;i <= 24;i = i + 8)
458     {
459     fprintf(f, " SubSection \"Display\"\n");
460     fprintf(f, " Depth %d\n", i);
461    
462     /* If they've got 32bit use it, otherwise use 24 */
463     if (depth == 24 && depth != var.bits_per_pixel)
464     fprintf(f, " FbBpp %d\n",
465     var.bits_per_pixel);
466    
467     fprintf(f, " Modes \"%dx%d\"\n", var.xres,
468     var.yres);
469     fprintf(f, " EndSubSection\n");
470     }
471    
472     /* To catch depth = 15, common :( */
473     if(depth == 15) {
474     fprintf(f, " SubSection \"Display\"\n");
475     fprintf(f, " Depth %d\n", depth);
476    
477     fprintf(f, " FbBpp %d\n",
478     var.bits_per_pixel);
479    
480     fprintf(f, " Modes \"%dx%d\"\n", var.xres,
481     var.yres);
482     fprintf(f, " EndSubSection\n");
483     }
484    
485     fprintf(f, "EndSection\n");
486     fprintf(f, "%s", dri_section);
487 pylon 1.2 /*** END Xorg.conf ***/
488 pylon 1.1
489     fclose(f);
490    
491 pylon 1.2 fprintf(stdout, "Wrote /etc/X11/xorg.conf\n");
492     fprintf(stdout, "Please check the configuration file for additional options\n");
493 pylon 1.1
494     return 0;
495     }

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