fbdev/core/fbmon.c

292 static void parse_vendor_block(unsigned char *block, struct fb_monspecs *specs)
294 	specs->manufacturer[0] = ((block[0] & 0x7c) >> 2) + '@';
295 	specs->manufacturer[1] = ((block[0] & 0x03) << 3) +
297 	specs->manufacturer[2] = (block[1] & 0x1f) + '@';
298 	specs->manufacturer[3] = 0;
299 	specs->model = block[2] + (block[3] << 8);
300 	specs->serial = block[4] + (block[5] << 8) +
302 	specs->year = block[9] + 1990;
303 	specs->week = block[8];
304 	DPRINTK("   Manufacturer: %s\n", specs->manufacturer);
305 	DPRINTK("   Model: %x\n", specs->model);
306 	DPRINTK("   Serial#: %u\n", specs->serial);
307 	DPRINTK("   Year: %u Week %u\n", specs->year, specs->week);
311 				  struct fb_monspecs *specs)
313 	specs->dpms = 0;
315 		specs->dpms |= FB_DPMS_ACTIVE_OFF;
317 		specs->dpms |= FB_DPMS_SUSPEND;
319 		specs->dpms |= FB_DPMS_STANDBY;
326 static void get_chroma(unsigned char *block, struct fb_monspecs *specs)
335 	specs->chroma.redx = tmp/1024;
336 	DPRINTK("         RedX:     0.%03d ", specs->chroma.redx);
341 	specs->chroma.redy = tmp/1024;
342 	DPRINTK("RedY:     0.%03d\n", specs->chroma.redy);
347 	specs->chroma.greenx = tmp/1024;
348 	DPRINTK("         GreenX:   0.%03d ", specs->chroma.greenx);
353 	specs->chroma.greeny = tmp/1024;
354 	DPRINTK("GreenY:   0.%03d\n", specs->chroma.greeny);
359 	specs->chroma.bluex = tmp/1024;
360 	DPRINTK("         BlueX:    0.%03d ", specs->chroma.bluex);
365 	specs->chroma.bluey = tmp/1024;
366 	DPRINTK("BlueY:    0.%03d\n", specs->chroma.bluey);
371 	specs->chroma.whitex = tmp/1024;
372 	DPRINTK("         WhiteX:   0.%03d ", specs->chroma.whitex);
377 	specs->chroma.whitey = tmp/1024;
378 	DPRINTK("WhiteY:   0.%03d\n", specs->chroma.whitey);
495 			  int ver, int rev, const struct fb_monspecs *specs)
544 	if (specs && specs->dclkmax
545 	    && PICOS2KHZ(mode->pixclock) * 1000 > specs->dclkmax) {
554 			  int ver, int rev, const struct fb_monspecs *specs)
559 		num += get_std_timing(block, &mode[num], ver, rev, specs);
608  * @specs: monitor specifications, may be NULL
617 					     const struct fb_monspecs *specs)
659 		num += get_std_timing(block, &mode[num], ver, rev, specs);
665 					      ver, rev, specs);
695 static int fb_get_monitor_limits(unsigned char *edid, struct fb_monspecs *specs)
706 			specs->hfmin = H_MIN_RATE * 1000;
707 			specs->hfmax = H_MAX_RATE * 1000;
708 			specs->vfmin = V_MIN_RATE;
709 			specs->vfmax = V_MAX_RATE;
710 			specs->dclkmax = MAX_PIXEL_CLOCK * 1000000;
711 			specs->gtf = (GTF_SUPPORT) ? 1 : 0;
724 		modes = fb_create_modedb(edid, &num_modes, specs);
749 			if (specs->dclkmax == 0 || specs->dclkmax < pixclock)
750 				specs->dclkmax = pixclock;
752 			if (specs->dclkmin == 0 || specs->dclkmin > pixclock)
753 				specs->dclkmin = pixclock;
755 			if (specs->hfmax == 0 || specs->hfmax < hscan)
756 				specs->hfmax = hscan;
758 			if (specs->hfmin == 0 || specs->hfmin > hscan)
759 				specs->hfmin = hscan;
761 			if (specs->vfmax == 0 || specs->vfmax < hz)
762 				specs->vfmax = hz;
764 			if (specs->vfmin == 0 || specs->vfmin > hz)
765 				specs->vfmin = hz;
771 		specs->hfmin/1000, specs->hfmax/1000, specs->vfmin,
772 		specs->vfmax, specs->dclkmax/1000000);
776 static void get_monspecs(unsigned char *edid, struct fb_monspecs *specs)
782 	fb_get_monitor_limits(edid, specs);
785 	specs->input = 0;
787 		specs->input |= FB_DISP_DDI;
794 			specs->input |= FB_DISP_ANA_700_300;
798 			specs->input |= FB_DISP_ANA_714_286;
802 			specs->input |= FB_DISP_ANA_1000_400;
806 			specs->input |= FB_DISP_ANA_700_000;
815 	specs->signal = 0;
818 		specs->signal |= FB_SIGNAL_BLANK_BLANK;
822 		specs->signal |= FB_SIGNAL_SEPARATE;
826 		specs->signal |= FB_SIGNAL_COMPOSITE;
830 		specs->signal |= FB_SIGNAL_SYNC_ON_GREEN;
834 		specs->signal |= FB_SIGNAL_SERRATION_ON;
837 	specs->max_x = block[1];
838 	specs->max_y = block[2];
840 	if (specs->max_x)
841 		DPRINTK("%d\n", specs->max_x);
845 	if (specs->max_y)
846 		DPRINTK("%d\n", specs->max_y);
851 	specs->gamma = c+100;
853 	DPRINTK("%d.%d\n", specs->gamma/100, specs->gamma % 100);
855 	get_dpms_capabilities(block[4], specs);
860 		specs->input |= FB_DISP_MONO;
864 		specs->input |= FB_DISP_RGB;
868 		specs->input |= FB_DISP_MULTI;
872 		specs->input |= FB_DISP_UNKNOWN;
876 	get_chroma(block, specs);
878 	specs->misc = 0;
882 		specs->misc |= FB_MISC_PRIM_COLOR;
886 		specs->misc |= FB_MISC_1ST_DETAIL;
890 		specs->gtf = 1;
937 void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs)
951 	memset(specs, 0, sizeof(struct fb_monspecs));
953 	specs->version = edid[EDID_STRUCT_VERSION];
954 	specs->revision = edid[EDID_STRUCT_REVISION];
959 	DPRINTK("   EDID Version %d.%d\n", (int) specs->version,
960 	       (int) specs->revision);
962 	parse_vendor_block(edid + ID_MANUFACTURER_NAME, specs);
967 			copy_string(block, specs->serial_no);
968 			DPRINTK("   Serial Number: %s\n", specs->serial_no);
970 			copy_string(block, specs->ascii);
971 			DPRINTK("   ASCII Block: %s\n", specs->ascii);
973 			copy_string(block, specs->monitor);
974 			DPRINTK("   Monitor Name: %s\n", specs->monitor);
979 	get_monspecs(edid, specs);
981 	specs->modedb = fb_create_modedb(edid, &specs->modedb_len, specs);
982 	if (!specs->modedb)
990 	for (i = 0; i < specs->modedb_len; i++) {
991 		if (specs->modedb[i].flag & FB_MODE_IS_DETAILED) {
998 		specs->misc &= ~FB_MISC_1ST_DETAIL;
1192  * Calculates video mode based on monitor specs using VESA GTF.
1200  * If FB_IGNOREMON bit is set in @flags, monitor specs will be
1409 void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs)