242 static int s3c_fb_check_var(struct fb_var_screeninfo *var,  in s3c_fb_check_var()  argument
250 	var->xres_virtual = max(var->xres_virtual, var->xres);  in s3c_fb_check_var()
251 	var->yres_virtual = max(var->yres_virtual, var->yres);  in s3c_fb_check_var()
253 	if (!s3c_fb_validate_win_bpp(win, var->bits_per_pixel)) {  in s3c_fb_check_var()
255 			win->index, var->bits_per_pixel);  in s3c_fb_check_var()
260 	var->transp.offset = 0;  in s3c_fb_check_var()
261 	var->transp.length = 0;  in s3c_fb_check_var()
263 	switch (var->bits_per_pixel) {  in s3c_fb_check_var()
270 			var->red.offset		= 5;  in s3c_fb_check_var()
271 			var->green.offset	= 2;  in s3c_fb_check_var()
272 			var->blue.offset	= 0;  in s3c_fb_check_var()
273 			var->red.length		= 2;  in s3c_fb_check_var()
274 			var->green.length	= 3;  in s3c_fb_check_var()
275 			var->blue.length	= 2;  in s3c_fb_check_var()
276 			var->transp.offset	= 7;  in s3c_fb_check_var()
277 			var->transp.length	= 1;  in s3c_fb_check_var()
279 			var->red.offset	= 0;  in s3c_fb_check_var()
280 			var->red.length	= var->bits_per_pixel;  in s3c_fb_check_var()
281 			var->green	= var->red;  in s3c_fb_check_var()
282 			var->blue	= var->red;  in s3c_fb_check_var()
288 		var->transp.offset	= 18;  in s3c_fb_check_var()
289 		var->transp.length	= 1;  in s3c_fb_check_var()
292 		var->bits_per_pixel	= 32;  in s3c_fb_check_var()
295 		var->red.offset		= 12;  in s3c_fb_check_var()
296 		var->green.offset	= 6;  in s3c_fb_check_var()
297 		var->blue.offset	= 0;  in s3c_fb_check_var()
298 		var->red.length		= 6;  in s3c_fb_check_var()
299 		var->green.length	= 6;  in s3c_fb_check_var()
300 		var->blue.length	= 6;  in s3c_fb_check_var()
305 		var->red.offset		= 11;  in s3c_fb_check_var()
306 		var->green.offset	= 5;  in s3c_fb_check_var()
307 		var->blue.offset	= 0;  in s3c_fb_check_var()
308 		var->red.length		= 5;  in s3c_fb_check_var()
309 		var->green.length	= 6;  in s3c_fb_check_var()
310 		var->blue.length	= 5;  in s3c_fb_check_var()
316 		var->transp.length	= var->bits_per_pixel - 24;  in s3c_fb_check_var()
317 		var->transp.offset	= 24;  in s3c_fb_check_var()
321 		var->bits_per_pixel	= 32;  in s3c_fb_check_var()
322 		var->red.offset		= 16;  in s3c_fb_check_var()
323 		var->red.length		= 8;  in s3c_fb_check_var()
324 		var->green.offset	= 8;  in s3c_fb_check_var()
325 		var->green.length	= 8;  in s3c_fb_check_var()
326 		var->blue.offset	= 0;  in s3c_fb_check_var()
327 		var->blue.length	= 8;  in s3c_fb_check_var()
490 	struct fb_var_screeninfo *var = &info->var;  in s3c_fb_set_par()  local
506 	switch (var->bits_per_pixel) {  in s3c_fb_set_par()
527 	info->fix.line_length = (var->xres_virtual * var->bits_per_pixel) / 8;  in s3c_fb_set_par()
529 	info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;  in s3c_fb_set_par()
530 	info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;  in s3c_fb_set_par()
545 	data = info->fix.smem_start + info->fix.line_length * var->yres;  in s3c_fb_set_par()
548 	pagewidth = (var->xres * var->bits_per_pixel) >> 3;  in s3c_fb_set_par()
561 	data = VIDOSDxB_BOTRIGHT_X(s3c_fb_align_word(var->bits_per_pixel,  in s3c_fb_set_par()
562 						     var->xres - 1)) |  in s3c_fb_set_par()
563 	       VIDOSDxB_BOTRIGHT_Y(var->yres - 1) |  in s3c_fb_set_par()
564 	       VIDOSDxB_BOTRIGHT_X_E(s3c_fb_align_word(var->bits_per_pixel,  in s3c_fb_set_par()
565 						     var->xres - 1)) |  in s3c_fb_set_par()
566 	       VIDOSDxB_BOTRIGHT_Y_E(var->yres - 1);  in s3c_fb_set_par()
570 	data = var->xres * var->yres;  in s3c_fb_set_par()
593 	switch (var->bits_per_pixel) {  in s3c_fb_set_par()
610 		if (var->transp.length != 0)  in s3c_fb_set_par()
618 		if (var->transp.length != 0)  in s3c_fb_set_par()
627 		if (var->red.length == 6) {  in s3c_fb_set_par()
628 			if (var->transp.length != 0)  in s3c_fb_set_par()
632 		} else if (var->transp.length == 1)  in s3c_fb_set_par()
635 		else if ((var->transp.length == 4) ||  in s3c_fb_set_par()
636 			(var->transp.length == 8))  in s3c_fb_set_par()
671 		if (var->transp.length > 4)  in s3c_fb_set_par()
762 			val  = chan_to_field(red,   &info->var.red);  in s3c_fb_setcolreg()
763 			val |= chan_to_field(green, &info->var.green);  in s3c_fb_setcolreg()
764 			val |= chan_to_field(blue,  &info->var.blue);  in s3c_fb_setcolreg()
867 static int s3c_fb_pan_display(struct fb_var_screeninfo *var,  in s3c_fb_pan_display()  argument
878 	start_boff = var->yoffset * info->fix.line_length;  in s3c_fb_pan_display()
880 	if (info->var.bits_per_pixel >= 8) {  in s3c_fb_pan_display()
881 		start_boff += var->xoffset * (info->var.bits_per_pixel >> 3);  in s3c_fb_pan_display()
883 		switch (info->var.bits_per_pixel) {  in s3c_fb_pan_display()
885 			start_boff += var->xoffset >> 1;  in s3c_fb_pan_display()
888 			start_boff += var->xoffset >> 2;  in s3c_fb_pan_display()
891 			start_boff += var->xoffset >> 3;  in s3c_fb_pan_display()
900 	end_boff = start_boff + info->var.yres * info->fix.line_length;  in s3c_fb_pan_display()
1177 	struct fb_var_screeninfo *var;  in s3c_fb_probe_win()  local
1207 	var = &fbinfo->var;  in s3c_fb_probe_win()
1244 	fb_videomode_to_var(&fbinfo->var, &initmode);  in s3c_fb_probe_win()
1248 	fbinfo->var.activate	= FB_ACTIVATE_NOW;  in s3c_fb_probe_win()
1249 	fbinfo->var.vmode	= FB_VMODE_NONINTERLACED;  in s3c_fb_probe_win()
1250 	fbinfo->var.bits_per_pixel = windata->default_bpp;  in s3c_fb_probe_win()
1257 	ret = s3c_fb_check_var(&fbinfo->var, fbinfo);  in s3c_fb_probe_win()