/[gentoo-src]/Xorgautoconfig/Xorgautoconfig.c
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Revision 1.7 - (hide annotations) (download) (as text)
Sat Jun 11 00:00:20 2005 UTC (9 years, 6 months ago) by josejx
Branch: MAIN
Changes since 1.6: +33 -33 lines
File MIME type: text/x-csrc
Fix for video device string.

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     if (nv) {
218     if (!strncmp(macid, "PowerMac4,2", 11) || !strncmp(macid, "PowerMac4,5", 11))
219     fprintf(f, " Option \"FlatPanel\"\n");
220 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_nv);
221     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"nv\"\n");
222 josejx 1.6 dri = FALSE;
223     } else if((fbdev) || (bus == 0 && dev == 0 && func == 0)) {
224     if (!fbdev) {
225 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " # We couldn't determine the BusID of your ");
226     videolen -= snprintf(videobuf + strlen(videobuf), videolen, "video card. So we will use\n# the fbdev driver\n");
227 josejx 1.6 }
228 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"ShadowFB\" \"true\"\n");
229     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"fbdev\" \"%s\"\n", name);
230     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"fbdev\"\n");
231     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #BusID \"0:0:0\"\n");
232 josejx 1.6 depth = 15;
233     dri = FALSE;
234     } else {
235     /* Try and guess what video card is behind /dev/fb0 */
236     switch(fix.accel) {
237     /* ATI Mach64 Family cards */
238     case 6:
239     case 8:
240     case 9:
241     case 10:
242 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_on_opts);
243     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"ati\"\n");
244 josejx 1.6 dri = FALSE; /* Can this be enabled? */
245     break;
246     /* IMS Twin Turbo */
247     case 14:
248 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
249     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"imstt\"\n");
250 josejx 1.6 dri = FALSE; /* Can this be enabled? */
251     break;
252     /* Matrox Family */
253     case 16:
254     case 17:
255     case 18:
256     case 20:
257     case 21:
258     case 26:
259 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
260     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"mga\"\n");
261 josejx 1.6 dri = FALSE; /* Can this be enabled? */
262     break;
263     /* Chips&Technology 6555x */
264     /* Is this still broken?
265     case 30:
266 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
267     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"chips\"\n");
268 josejx 1.6 dri = FALSE;
269     break;
270     */
271     /* VooDoo 3 / Banshee */
272     case 31:
273 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_off_opts);
274     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"tdfx\"\n");
275 josejx 1.6 dri = FALSE; /* Can this be enabled? */
276     break;
277     /* ATI Rage 128 Family */
278     case 32:
279 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
280     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
281 josejx 1.6 dri = TRUE;
282     break;
283     /* ATI Radeon */
284     /* FIXME what are the values for radeon > 9200? */
285     case 38:
286 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_radeon);
287 josejx 1.6 if(!strncmp(macid + 5, "Pegasos", 7))
288 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", "\tOption\t\"BusType\"\t\"PCI\"");
289     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"radeon\"\n");
290 josejx 1.6 dri = TRUE;
291     break;
292     default:
293     /* FIXME still broken? */
294     /* radeon seems to be broken on VE (aka 7000) */
295     if ((!strncmp(fix.id, "ATI Radeon", 10)) &&
296     (strncmp(fix.id, "ATI Radeon VE", 13))) {
297 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_radeon);
298 josejx 1.6 if(!strncmp(macid + 5, "Pegasos", 7))
299 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", "\tOption\t\"BusType\"\t\"PCI\"");
300     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"radeon\"\n");
301 josejx 1.6 dri = TRUE;
302     } else if (!strncmp(fix.id, "Rage128", 7)) {
303 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
304     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
305 josejx 1.6 dri = TRUE;
306     } else if (!strncmp(fix.id, "Rage Mobility M3", 16)) {
307 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, "%s", driver_r128);
308     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"r128\"\n");
309 josejx 1.6 dri = TRUE;
310     } else {
311 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " #Option \"ShadowFB\" \"true\"\n");
312     videolen -= snprintf(videobuf + strlen(videobuf), videolen, " Driver\t\"fbdev\"\n");
313 josejx 1.6 dri = FALSE;
314     depth = 15;
315     }
316     break;
317     }
318 josejx 1.7 videolen -= snprintf(videobuf + strlen(videobuf), videolen, " BusID \"PCI:%d:%d:%d\"\n", bus, dev, func);
319 josejx 1.6 }
320    
321 pylon 1.1 /* Let's be nice and backup an existing xorg.conf */
322     if ((f = fopen("/etc/X11/xorg.conf", "r"))) {
323 pylon 1.5 system("mv /etc/X11/xorg.conf /etc/X11/xorg.conf.autobak");
324     printf("The current xorg.conf has been copied into /etc/X11/xorg.conf.autobak\n");
325 pylon 1.1 }
326    
327 pylon 1.5 /* Check the permissions for writing */
328 pylon 1.1 if (!(f = fopen("/etc/X11/xorg.conf", "w"))) {
329     fprintf(stderr, "Can't write to /etc/X11/xorg.conf. Exiting.\n");
330     return -1;;
331     }
332    
333     /*** BEGIN xorg.conf ***/
334     fprintf(f, "%s", header);
335    
336 pylon 1.2 /* Set fontpaths */
337     DIR *fontdir = opendir(FONTPATH);
338     struct dirent *fontpath;
339    
340     /* Add x fontserver note */
341     fprintf(f, "%s", fontpath_xfs);
342     if(fontdir != NULL) {
343     while ((fontpath = readdir (fontdir))) {
344     if((fontpath->d_name)[0] != '.') {
345     /* Only add directories */
346     strcpy(path, FONTPATH);
347     strcat(path, fontpath->d_name);
348     strcat(path, "/");
349     testdir = opendir(path);
350     if(testdir != NULL) {
351     fprintf(f, "\tFontPath\t\"%s\"\n",
352     path);
353     if(!strncmp(fontpath->d_name,"75dpi",5) ||
354     !strncmp(fontpath->d_name,"100dpi",6)){
355     fprintf(f, "\tFontPath\t\"%s:unscaled\"\n",
356     path);
357     }
358     closedir(testdir);
359     }
360     }
361     }
362     closedir(fontdir);
363     }
364     else {
365     fprintf(f, "%s", fontpath_gentoo);
366     }
367     fprintf(f, "EndSection\n\n");
368 pylon 1.1
369     /* modules section */
370 josejx 1.6 fprintf(f, "%s", modules_section_start);
371     if(!dri) fprintf(f, "%s", "#");
372     fprintf(f, "%s", modules_section_end);
373 pylon 1.1
374     /* extensions section */
375     fprintf(f, "%s", extensions_section);
376    
377     /* serverflags section */
378     fprintf(f, "%s", serverflags_section);
379    
380     /* input dev section */
381     fprintf(f, "%s", inputdev_section);
382    
383     /* keyboard */
384 josejx 1.3 if(0 == keyboard_layout[0])
385     strcpy(keyboard_layout, "us\"\n");
386     fprintf(f, "%s", keyboard_linux_start);
387     fprintf(f, "%s", keyboard_layout);
388     fprintf(f, "%s", keyboard_linux_end);
389    
390 pylon 1.1 /* mouse */
391     fprintf(f, "%s", mouse_section);
392    
393     /* monitor section */
394     if (!offb)
395     fprintf(f, "%s", monitor_section);
396     else
397     fprintf(f, "%s", monitor_section_nomodes);
398    
399     /* Use EDID's horizsync / vert refresh first, otherwise try to be sane */
400     if (sync.h_min && sync.h_max && sync.v_min && sync.v_max)
401     {
402     fprintf(f, "\tHorizSync %d-%d\n\tVertRefresh %d-%d\n",
403     sync.h_min, sync.h_max, sync.v_min, sync.v_max);
404     } else if (!strncmp(macid, "PowerMac4,2", 11)) {
405     fprintf(f, "\tHorizSync 28-49 \n\tVertRefresh 50-60\n");
406     } else if (sync.v_min && sync.v_max) {
407     /* Apple Studio/Cinema Display case */
408     fprintf(f, "\tHorizSync 30-130\n\tVertRefresh %d-%d\n",
409     sync.v_min, sync.v_max);
410     } else {
411     if(var.xres <= 640)
412     fprintf(f, " HorizSync 28-33\n VertRefresh 43-72\n");
413     else if(var.xres <= 800)
414     fprintf(f, " HorizSync 28-50\n VertRefresh 43-75\n");
415     else if(var.xres <= 1024)
416     fprintf(f, " HorizSync 30-70\n VertRefresh 50-160\n");
417     else if(var.xres <= 1152)
418     fprintf(f, " HorizSync 30-100\n VertRefresh 50-160\n");
419     else
420     fprintf(f, " HorizSync 30-130\n VertRefresh 50-160\n");
421     }
422    
423     if (!offb)
424     {
425     fprintf(f, "%s", modes_section);
426     fprintf(f, " # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", drate/1E6,
427     hrate/1E3, vrate);
428     fprintf(f, " Modeline \"%dx%d\" %5.3f %d %d %d %d %d %d %d %d ",
429     var.xres, var.yres, drate/1E6, var.xres, xsstart, xsend,
430     xtotal, var.yres, ysstart, ysend, ytotal);
431     if (var.vmode & FB_VMODE_INTERLACED)
432     fprintf(f, " Interlace");
433     if (var.vmode & FB_VMODE_DOUBLE)
434     fprintf(f, " DoubleScan");
435     if (var.sync & FB_SYNC_HOR_HIGH_ACT)
436     fprintf(f, " +HSync");
437     else
438     fprintf(f, " -HSync");
439     if (var.sync & FB_SYNC_VERT_HIGH_ACT)
440     fprintf(f, " +VSync");
441     else
442     fprintf(f, " -VSync");
443     if (var.sync & FB_SYNC_COMP_HIGH_ACT)
444     fprintf(f, " Composite");
445     if (var.sync & FB_SYNC_BROADCAST)
446     fprintf(f, " bcast");
447     }
448     fprintf(f, "%s", device_start);
449 josejx 1.6 fprintf(f, "%s", videobuf);
450 pylon 1.1 fprintf(f, "%s", screen_section);
451     fprintf(f, "%d\n", depth);
452     if(fbdepth && depth != var.bits_per_pixel)
453     fprintf(f," DefaultFbBpp %d\n", var.bits_per_pixel);
454    
455     /* Print this out for 8 / 16 / 24 */
456     for (i = 8;i <= 24;i = i + 8)
457     {
458     fprintf(f, " SubSection \"Display\"\n");
459     fprintf(f, " Depth %d\n", i);
460    
461     /* If they've got 32bit use it, otherwise use 24 */
462     if (depth == 24 && depth != var.bits_per_pixel)
463     fprintf(f, " FbBpp %d\n",
464     var.bits_per_pixel);
465    
466     fprintf(f, " Modes \"%dx%d\"\n", var.xres,
467     var.yres);
468     fprintf(f, " EndSubSection\n");
469     }
470    
471     /* To catch depth = 15, common :( */
472     if(depth == 15) {
473     fprintf(f, " SubSection \"Display\"\n");
474     fprintf(f, " Depth %d\n", depth);
475    
476     fprintf(f, " FbBpp %d\n",
477     var.bits_per_pixel);
478    
479     fprintf(f, " Modes \"%dx%d\"\n", var.xres,
480     var.yres);
481     fprintf(f, " EndSubSection\n");
482     }
483    
484     fprintf(f, "EndSection\n");
485     fprintf(f, "%s", dri_section);
486 pylon 1.2 /*** END Xorg.conf ***/
487 pylon 1.1
488     fclose(f);
489    
490 pylon 1.2 fprintf(stdout, "Wrote /etc/X11/xorg.conf\n");
491     fprintf(stdout, "Please check the configuration file for additional options\n");
492 pylon 1.1
493     return 0;
494     }

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