254 static void set_color_bitfields(struct fb_var_screeninfo *var)  in set_color_bitfields()  argument
256 	switch (var->bits_per_pixel) {  in set_color_bitfields()
259 		var->red.offset = 11;    var->red.length = 5;  in set_color_bitfields()
260 		var->green.offset = 5;   var->green.length = 6;  in set_color_bitfields()
261 		var->blue.offset = 0;    var->blue.length = 5;  in set_color_bitfields()
262 		var->transp.offset = 0;  var->transp.length = 0;  in set_color_bitfields()
265 		var->red.offset = 16;    var->red.length = 8;  in set_color_bitfields()
266 		var->green.offset = 8;   var->green.length = 8;  in set_color_bitfields()
267 		var->blue.offset = 0;    var->blue.length = 8;  in set_color_bitfields()
268 		var->transp.offset = 0;  var->transp.length = 0;  in set_color_bitfields()
272 		var->red.offset = 16;    var->red.length = 8;  in set_color_bitfields()
273 		var->green.offset = 8;   var->green.length = 8;  in set_color_bitfields()
274 		var->blue.offset = 0;    var->blue.length = 8;  in set_color_bitfields()
275 		var->transp.offset = 24; var->transp.length = 8;  in set_color_bitfields()
295 	switch (info->var.bits_per_pixel) {  in pvr2fb_setcolreg()
314 		pr_debug("Invalid bit depth %d?!?\n", info->var.bits_per_pixel);  in pvr2fb_setcolreg()
357 	struct fb_var_screeninfo *var = &info->var;  in pvr2fb_set_par()  local
372 	var->vmode &= FB_VMODE_MASK;  in pvr2fb_set_par()
373 	if (var->vmode & FB_VMODE_INTERLACED && video_output != VO_VGA)  in pvr2fb_set_par()
379 	if (var->vmode & FB_VMODE_DOUBLE && video_output == VO_VGA)  in pvr2fb_set_par()
382 	par->hsync_total = var->left_margin + var->xres + var->right_margin +  in pvr2fb_set_par()
383 	                   var->hsync_len;  in pvr2fb_set_par()
384 	par->vsync_total = var->upper_margin + var->yres + var->lower_margin +  in pvr2fb_set_par()
385 	                   var->vsync_len;  in pvr2fb_set_par()
387 	if (var->sync & FB_SYNC_BROADCAST) {  in pvr2fb_set_par()
413 	par->diwstart_h = par->borderstart_h + var->left_margin;  in pvr2fb_set_par()
414 	par->diwstart_v = par->borderstart_v + var->upper_margin;  in pvr2fb_set_par()
415 	par->borderstop_h = par->diwstart_h + var->xres +  in pvr2fb_set_par()
416 			    var->right_margin;  in pvr2fb_set_par()
417 	par->borderstop_v = par->diwstart_v + var->yres +  in pvr2fb_set_par()
418 			    var->lower_margin;  in pvr2fb_set_par()
422 	if (info->var.xres < 640)  in pvr2fb_set_par()
425 	line_length = get_line_length(var->xres_virtual, var->bits_per_pixel);  in pvr2fb_set_par()
426 	par->disp_start = info->fix.smem_start + (line_length * var->yoffset) * line_length;  in pvr2fb_set_par()
431 static int pvr2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)  in pvr2fb_check_var()  argument
437 	if (var->pixclock != TV_CLK && var->pixclock != VGA_CLK) {  in pvr2fb_check_var()
438 		pr_debug("Invalid pixclock value %d\n", var->pixclock);  in pvr2fb_check_var()
442 	if (var->xres < 320)  in pvr2fb_check_var()
443 		var->xres = 320;  in pvr2fb_check_var()
444 	if (var->yres < 240)  in pvr2fb_check_var()
445 		var->yres = 240;  in pvr2fb_check_var()
446 	if (var->xres_virtual < var->xres)  in pvr2fb_check_var()
447 		var->xres_virtual = var->xres;  in pvr2fb_check_var()
448 	if (var->yres_virtual < var->yres)  in pvr2fb_check_var()
449 		var->yres_virtual = var->yres;  in pvr2fb_check_var()
451 	if (var->bits_per_pixel <= 16)  in pvr2fb_check_var()
452 		var->bits_per_pixel = 16;  in pvr2fb_check_var()
453 	else if (var->bits_per_pixel <= 24)  in pvr2fb_check_var()
454 		var->bits_per_pixel = 24;  in pvr2fb_check_var()
455 	else if (var->bits_per_pixel <= 32)  in pvr2fb_check_var()
456 		var->bits_per_pixel = 32;  in pvr2fb_check_var()
458 	set_color_bitfields(var);  in pvr2fb_check_var()
460 	if (var->vmode & FB_VMODE_YWRAP) {  in pvr2fb_check_var()
461 		if (var->xoffset || var->yoffset >= var->yres_virtual) {  in pvr2fb_check_var()
462 			var->xoffset = var->yoffset = 0;  in pvr2fb_check_var()
464 			if (var->xoffset > var->xres_virtual - var->xres ||  in pvr2fb_check_var()
465 			    var->yoffset > var->yres_virtual - var->yres)  in pvr2fb_check_var()
466 				var->xoffset = var->yoffset = 0;  in pvr2fb_check_var()
469 		var->xoffset = var->yoffset = 0;  in pvr2fb_check_var()
476 	if (var->yres < 480 && video_output == VO_VGA)  in pvr2fb_check_var()
477 		var->vmode |= FB_VMODE_DOUBLE;  in pvr2fb_check_var()
480 		var->sync |= FB_SYNC_BROADCAST;  in pvr2fb_check_var()
481 		var->vmode |= FB_VMODE_INTERLACED;  in pvr2fb_check_var()
483 		var->sync &= ~FB_SYNC_BROADCAST;  in pvr2fb_check_var()
484 		var->vmode &= ~FB_VMODE_INTERLACED;  in pvr2fb_check_var()
485 		var->vmode |= FB_VMODE_NONINTERLACED;  in pvr2fb_check_var()
488 	if ((var->activate & FB_ACTIVATE_MASK) != FB_ACTIVATE_TEST) {  in pvr2fb_check_var()
489 		var->right_margin = par->borderstop_h -  in pvr2fb_check_var()
490 				   (par->diwstart_h + var->xres);  in pvr2fb_check_var()
491 		var->left_margin  = par->diwstart_h - par->borderstart_h;  in pvr2fb_check_var()
492 		var->hsync_len    = par->borderstart_h +  in pvr2fb_check_var()
495 		var->upper_margin = par->diwstart_v - par->borderstart_v;  in pvr2fb_check_var()
496 		var->lower_margin = par->borderstop_v -  in pvr2fb_check_var()
497 				   (par->diwstart_v + var->yres);  in pvr2fb_check_var()
498 		var->vsync_len    = par->borderstop_v +  in pvr2fb_check_var()
502 	hsync_total = var->left_margin + var->xres + var->right_margin +  in pvr2fb_check_var()
503 		      var->hsync_len;  in pvr2fb_check_var()
504 	vtotal = var->upper_margin + var->yres + var->lower_margin +  in pvr2fb_check_var()
505 		 var->vsync_len;  in pvr2fb_check_var()
507 	if (var->sync & FB_SYNC_BROADCAST) {  in pvr2fb_check_var()
508 		if (var->vmode & FB_VMODE_INTERLACED)  in pvr2fb_check_var()
527 	line_length = get_line_length(var->xres_virtual, var->bits_per_pixel);  in pvr2fb_check_var()
528 	if (line_length * var->yres_virtual > info->fix.smem_len)  in pvr2fb_check_var()
537 	struct fb_var_screeninfo *var = &info->var;  in pvr2_update_display()  local
542 		  get_line_length(var->xoffset+var->xres, var->bits_per_pixel),  in pvr2_update_display()
555 	struct fb_var_screeninfo *var = &info->var;  in pvr2_init_display()  local
557 	unsigned int bytesperpixel = var->bits_per_pixel >> 3;  in pvr2_init_display()
567 	diw_height = (par->is_interlaced ? var->yres / 2 : var->yres);  in pvr2_init_display()
568 	diw_width = get_line_length(var->xres, var->bits_per_pixel) / 4;  in pvr2_init_display()
575 	          get_line_length(var->xoffset+var->xres, var->bits_per_pixel),  in pvr2_init_display()
817 	if (!fb_find_mode(&fb_info->var, fb_info, mode_option, pvr2_modedb,  in pvr2fb_common_init()
819 		fb_info->var = pvr2_var;  in pvr2fb_common_init()
828 	modememused = get_line_length(fb_info->var.xres_virtual,  in pvr2fb_common_init()
829 				      fb_info->var.bits_per_pixel);  in pvr2fb_common_init()
830 	modememused *= fb_info->var.yres_virtual;  in pvr2fb_common_init()
839 		fb_info->var.xres, fb_info->var.yres,  in pvr2fb_common_init()
840 		fb_info->var.bits_per_pixel,  in pvr2fb_common_init()
841 		get_line_length(fb_info->var.xres, fb_info->var.bits_per_pixel),  in pvr2fb_common_init()