video/fbdev/s3c-fb.c

234  * @var: The screen information to verify.
240 static int s3c_fb_check_var(struct fb_var_screeninfo *var,
248 	var->xres_virtual = max(var->xres_virtual, var->xres);
249 	var->yres_virtual = max(var->yres_virtual, var->yres);
251 	if (!s3c_fb_validate_win_bpp(win, var->bits_per_pixel)) {
253 			win->index, var->bits_per_pixel);
258 	var->transp.offset = 0;
259 	var->transp.length = 0;
261 	switch (var->bits_per_pixel) {
268 			var->red.offset		= 5;
269 			var->green.offset	= 2;
270 			var->blue.offset	= 0;
271 			var->red.length		= 2;
272 			var->green.length	= 3;
273 			var->blue.length	= 2;
274 			var->transp.offset	= 7;
275 			var->transp.length	= 1;
277 			var->red.offset	= 0;
278 			var->red.length	= var->bits_per_pixel;
279 			var->green	= var->red;
280 			var->blue	= var->red;
286 		var->transp.offset	= 18;
287 		var->transp.length	= 1;
290 		var->bits_per_pixel	= 32;
293 		var->red.offset		= 12;
294 		var->green.offset	= 6;
295 		var->blue.offset	= 0;
296 		var->red.length		= 6;
297 		var->green.length	= 6;
298 		var->blue.length	= 6;
303 		var->red.offset		= 11;
304 		var->green.offset	= 5;
305 		var->blue.offset	= 0;
306 		var->red.length		= 5;
307 		var->green.length	= 6;
308 		var->blue.length	= 5;
314 		var->transp.length	= var->bits_per_pixel - 24;
315 		var->transp.offset	= 24;
319 		var->bits_per_pixel	= 32;
320 		var->red.offset		= 16;
321 		var->red.length		= 8;
322 		var->green.offset	= 8;
323 		var->green.length	= 8;
324 		var->blue.offset	= 0;
325 		var->blue.length	= 8;
488 	struct fb_var_screeninfo *var = &info->var;
504 	switch (var->bits_per_pixel) {
525 	info->fix.line_length = (var->xres_virtual * var->bits_per_pixel) / 8;
527 	info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
528 	info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
543 	data = info->fix.smem_start + info->fix.line_length * var->yres;
546 	pagewidth = (var->xres * var->bits_per_pixel) >> 3;
559 	data = VIDOSDxB_BOTRIGHT_X(s3c_fb_align_word(var->bits_per_pixel,
560 						     var->xres - 1)) |
561 	       VIDOSDxB_BOTRIGHT_Y(var->yres - 1) |
562 	       VIDOSDxB_BOTRIGHT_X_E(s3c_fb_align_word(var->bits_per_pixel,
563 						     var->xres - 1)) |
564 	       VIDOSDxB_BOTRIGHT_Y_E(var->yres - 1);
568 	data = var->xres * var->yres;
591 	switch (var->bits_per_pixel) {
608 		if (var->transp.length != 0)
616 		if (var->transp.length != 0)
625 		if (var->red.length == 6) {
626 			if (var->transp.length != 0)
630 		} else if (var->transp.length == 1)
633 		else if ((var->transp.length == 4) ||
634 			(var->transp.length == 8))
669 		if (var->transp.length > 4)
760 			val  = chan_to_field(red,   &info->var.red);
761 			val |= chan_to_field(green, &info->var.green);
762 			val |= chan_to_field(blue,  &info->var.blue);
862  * @var: The screen information to verify.
865 static int s3c_fb_pan_display(struct fb_var_screeninfo *var,
876 	start_boff = var->yoffset * info->fix.line_length;
878 	if (info->var.bits_per_pixel >= 8) {
879 		start_boff += var->xoffset * (info->var.bits_per_pixel >> 3);
881 		switch (info->var.bits_per_pixel) {
883 			start_boff += var->xoffset >> 1;
886 			start_boff += var->xoffset >> 2;
889 			start_boff += var->xoffset >> 3;
898 	end_boff = start_boff + info->var.yres * info->fix.line_length;
1237 	fb_videomode_to_var(&fbinfo->var, &initmode);
1241 	fbinfo->var.activate	= FB_ACTIVATE_NOW;
1242 	fbinfo->var.vmode	= FB_VMODE_NONINTERLACED;
1243 	fbinfo->var.bits_per_pixel = windata->default_bpp;
1249 	ret = s3c_fb_check_var(&fbinfo->var, fbinfo);