148 static void vgaHWInit(struct fb_var_screeninfo *var,  in vgaHWInit()  argument
204 	reg->CRTC[0x13] = var->xres_virtual >> 4;  in vgaHWInit()
849 static void savage_update_var(struct fb_var_screeninfo *var,  in savage_update_var()  argument
852 	var->xres = var->xres_virtual = modedb->xres;  in savage_update_var()
853 	var->yres = modedb->yres;  in savage_update_var()
854         if (var->yres_virtual < var->yres)  in savage_update_var()
855 	    var->yres_virtual = var->yres;  in savage_update_var()
856         var->xoffset = var->yoffset = 0;  in savage_update_var()
857         var->pixclock = modedb->pixclock;  in savage_update_var()
858         var->left_margin = modedb->left_margin;  in savage_update_var()
859         var->right_margin = modedb->right_margin;  in savage_update_var()
860         var->upper_margin = modedb->upper_margin;  in savage_update_var()
861         var->lower_margin = modedb->lower_margin;  in savage_update_var()
862         var->hsync_len = modedb->hsync_len;  in savage_update_var()
863         var->vsync_len = modedb->vsync_len;  in savage_update_var()
864         var->sync = modedb->sync;  in savage_update_var()
865         var->vmode = modedb->vmode;  in savage_update_var()
868 static int savagefb_check_var(struct fb_var_screeninfo   *var,  in savagefb_check_var()  argument
876 	var->transp.offset = 0;  in savagefb_check_var()
877 	var->transp.length = 0;  in savagefb_check_var()
878 	switch (var->bits_per_pixel) {  in savagefb_check_var()
880 		var->red.offset = var->green.offset =  in savagefb_check_var()
881 			var->blue.offset = 0;  in savagefb_check_var()
882 		var->red.length = var->green.length =  in savagefb_check_var()
883 			var->blue.length = var->bits_per_pixel;  in savagefb_check_var()
886 		var->red.offset = 11;  in savagefb_check_var()
887 		var->red.length = 5;  in savagefb_check_var()
888 		var->green.offset = 5;  in savagefb_check_var()
889 		var->green.length = 6;  in savagefb_check_var()
890 		var->blue.offset = 0;  in savagefb_check_var()
891 		var->blue.length = 5;  in savagefb_check_var()
894 		var->transp.offset = 24;  in savagefb_check_var()
895 		var->transp.length = 8;  in savagefb_check_var()
896 		var->red.offset = 16;  in savagefb_check_var()
897 		var->red.length = 8;  in savagefb_check_var()
898 		var->green.offset = 8;  in savagefb_check_var()
899 		var->green.length = 8;  in savagefb_check_var()
900 		var->blue.offset = 0;  in savagefb_check_var()
901 		var->blue.length = 8;  in savagefb_check_var()
909 	    !info->monspecs.dclkmax || !fb_validate_mode(var, info))  in savagefb_check_var()
914 		if (!fb_get_mode(FB_MAXTIMINGS, 0, var, info))  in savagefb_check_var()
921 		mode = fb_find_best_mode(var, &info->modelist);  in savagefb_check_var()
923 			savage_update_var(var, mode);  in savagefb_check_var()
933 	    (var->xres > par->SavagePanelWidth ||  in savagefb_check_var()
934 	     var->yres > par->SavagePanelHeight)) {  in savagefb_check_var()
936 		       "(%dx%d)\n", var->xres,  var->yres,  in savagefb_check_var()
942 	if (var->yres_virtual < var->yres)  in savagefb_check_var()
943 		var->yres_virtual = var->yres;  in savagefb_check_var()
944 	if (var->xres_virtual < var->xres)  in savagefb_check_var()
945 		var->xres_virtual = var->xres;  in savagefb_check_var()
949 	memlen = var->xres_virtual * var->bits_per_pixel *  in savagefb_check_var()
950 		var->yres_virtual / 8;  in savagefb_check_var()
952 		var->yres_virtual = vramlen * 8 /  in savagefb_check_var()
953 			(var->xres_virtual * var->bits_per_pixel);  in savagefb_check_var()
954 		memlen = var->xres_virtual * var->bits_per_pixel *  in savagefb_check_var()
955 			var->yres_virtual / 8;  in savagefb_check_var()
960 	if (var->yres_virtual < var->yres)  in savagefb_check_var()
961 		var->yres = var->yres_virtual;  in savagefb_check_var()
962 	if (var->xres_virtual < var->xres)  in savagefb_check_var()
963 		var->xres = var->xres_virtual;  in savagefb_check_var()
964 	if (var->xoffset + var->xres > var->xres_virtual)  in savagefb_check_var()
965 		var->xoffset = var->xres_virtual - var->xres;  in savagefb_check_var()
966 	if (var->yoffset + var->yres > var->yres_virtual)  in savagefb_check_var()
967 		var->yoffset = var->yres_virtual - var->yres;  in savagefb_check_var()
973 static int savagefb_decode_var(struct fb_var_screeninfo   *var,  in savagefb_decode_var()  argument
981 	unsigned int pixclock = var->pixclock;  in savagefb_decode_var()
990 	timings.dblscan = var->vmode & FB_VMODE_DOUBLE;  in savagefb_decode_var()
991 	timings.interlaced = var->vmode & FB_VMODE_INTERLACED;  in savagefb_decode_var()
992 	timings.HDisplay = var->xres;  in savagefb_decode_var()
993 	timings.HSyncStart = timings.HDisplay + var->right_margin;  in savagefb_decode_var()
994 	timings.HSyncEnd = timings.HSyncStart + var->hsync_len;  in savagefb_decode_var()
995 	timings.HTotal = timings.HSyncEnd + var->left_margin;  in savagefb_decode_var()
996 	timings.VDisplay = var->yres;  in savagefb_decode_var()
997 	timings.VSyncStart = timings.VDisplay + var->lower_margin;  in savagefb_decode_var()
998 	timings.VSyncEnd = timings.VSyncStart + var->vsync_len;  in savagefb_decode_var()
999 	timings.VTotal = timings.VSyncEnd + var->upper_margin;  in savagefb_decode_var()
1000 	timings.sync = var->sync;  in savagefb_decode_var()
1003 	par->depth  = var->bits_per_pixel;  in savagefb_decode_var()
1004 	par->vwidth = var->xres_virtual;  in savagefb_decode_var()
1006 	if (var->bits_per_pixel == 16  &&  par->chip == S3_SAVAGE3D) {  in savagefb_decode_var()
1017 	vgaHWInit(var, par, &timings, reg);  in savagefb_decode_var()
1024 	switch(var->bits_per_pixel) {  in savagefb_decode_var()
1102 	if (var->bits_per_pixel < 24)  in savagefb_decode_var()
1143 	width = (var->xres_virtual * ((var->bits_per_pixel+7) / 8)) >> 3;  in savagefb_decode_var()
1151 	if (var->bits_per_pixel <= 8)  in savagefb_decode_var()
1153 	else if (var->bits_per_pixel <= 16)  in savagefb_decode_var()
1158 	if (var->xres_virtual <= 640)  in savagefb_decode_var()
1160 	else if (var->xres_virtual == 800)  in savagefb_decode_var()
1162 	else if (var->xres_virtual == 1024)  in savagefb_decode_var()
1164 	else if (var->xres_virtual == 1152)  in savagefb_decode_var()
1166 	else if (var->xres_virtual == 1280)  in savagefb_decode_var()
1168 	else if (var->xres_virtual == 1600)  in savagefb_decode_var()
1221 	switch (info->var.bits_per_pixel) {  in savagefb_setcolreg()
1491 	info->fix.line_length = info->var.xres_virtual *  in savagefb_set_fix()
1492 		info->var.bits_per_pixel / 8;  in savagefb_set_fix()
1494 	if (info->var.bits_per_pixel == 8) {  in savagefb_set_fix()
1507 	struct fb_var_screeninfo *var = &info->var;  in savagefb_set_par()  local
1511 	err = savagefb_decode_var(var, par, &par->state);  in savagefb_set_par()
1516 		if (var->bits_per_pixel > 24)  in savagefb_set_par()
1518 		else if (var->bits_per_pixel >= 24)  in savagefb_set_par()
1520 		else if ((var->bits_per_pixel > 8) && (var->bits_per_pixel < 24))  in savagefb_set_par()
1522 		else if (var->bits_per_pixel <= 8)  in savagefb_set_par()
1542 static int savagefb_pan_display(struct fb_var_screeninfo *var,  in savagefb_pan_display()  argument
1548 	base = (var->yoffset * info->fix.line_length  in savagefb_pan_display()
1549 	     + (var->xoffset & ~1) * ((info->var.bits_per_pixel+7) / 8)) >> 2;  in savagefb_pan_display()
2143 	info->var.nonstd      = 0;  in savage_init_fb_info()
2144 	info->var.activate    = FB_ACTIVATE_NOW;  in savage_init_fb_info()
2145 	info->var.width       = -1;  in savage_init_fb_info()
2146 	info->var.height      = -1;  in savage_init_fb_info()
2147 	info->var.accel_flags = 0;  in savage_init_fb_info()
2233 	info->var = savagefb_var800x600x8;  in savagefb_probe()
2246 		else if (fb_find_mode(&info->var, info, NULL, NULL, 0,  in savagefb_probe()
2248 			info->var = savagefb_var800x600x8;  in savagefb_probe()
2252 		fb_find_mode(&info->var, info, mode_option,  in savagefb_probe()
2259 		savage_update_var(&info->var, mode);  in savagefb_probe()
2263 	lpitch = info->var.xres_virtual*((info->var.bits_per_pixel + 7) >> 3);  in savagefb_probe()
2264 	info->var.yres_virtual = info->fix.smem_len/lpitch;  in savagefb_probe()
2266 	if (info->var.yres_virtual < info->var.yres) {  in savagefb_probe()
2276 	if (info->var.yres_virtual > 0x1000)  in savagefb_probe()
2277 		info->var.yres_virtual = 0x1000;  in savagefb_probe()
2279 	if (info->var.xres_virtual > 0x1000)  in savagefb_probe()
2280 		info->var.xres_virtual = 0x1000;  in savagefb_probe()
2282 	savagefb_check_var(&info->var, info);  in savagefb_probe()
2291 	h_sync = 1953125000 / info->var.pixclock;  in savagefb_probe()
2292 	h_sync = h_sync * 512 / (info->var.xres + info->var.left_margin +  in savagefb_probe()
2293 				 info->var.right_margin +  in savagefb_probe()
2294 				 info->var.hsync_len);  in savagefb_probe()
2295 	v_sync = h_sync / (info->var.yres + info->var.upper_margin +  in savagefb_probe()
2296 			   info->var.lower_margin + info->var.vsync_len);  in savagefb_probe()
2301 	       info->var.xres, info->var.yres,  in savagefb_probe()