87 static int atafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info);
93 static int atafb_pan_display(struct fb_var_screeninfo *var,
385 	int (*decode_var)(struct fb_var_screeninfo *var,
387 	int (*encode_var)(struct fb_var_screeninfo *var,
393 	int (*pan_display)(struct fb_var_screeninfo *var,
613 static int tt_decode_var(struct fb_var_screeninfo *var, struct atafb_par *par)  in tt_decode_var()  argument
615 	int xres = var->xres;  in tt_decode_var()
616 	int yres = var->yres;  in tt_decode_var()
617 	int bpp = var->bits_per_pixel;  in tt_decode_var()
619 	int yres_virtual = var->yres_virtual;  in tt_decode_var()
659 		} else if (var->xres > sttt_xres || var->yres > st_yres) {  in tt_decode_var()
672 	if (var->sync & FB_SYNC_EXT)  in tt_decode_var()
681 	if (var->yoffset + yres > yres_virtual && yres_virtual)  in tt_decode_var()
684 	par->screen_base = screen_base + var->yoffset * linelen;  in tt_decode_var()
689 static int tt_encode_var(struct fb_var_screeninfo *var, struct atafb_par *par)  in tt_encode_var()  argument
692 	memset(var, 0, sizeof(struct fb_var_screeninfo));  in tt_encode_var()
693 	var->red.offset = 0;  in tt_encode_var()
694 	var->red.length = 4;  in tt_encode_var()
695 	var->red.msb_right = 0;  in tt_encode_var()
696 	var->grayscale = 0;  in tt_encode_var()
698 	var->pixclock = 31041;  in tt_encode_var()
699 	var->left_margin = 120;		/* these may be incorrect */  in tt_encode_var()
700 	var->right_margin = 100;  in tt_encode_var()
701 	var->upper_margin = 8;  in tt_encode_var()
702 	var->lower_margin = 16;  in tt_encode_var()
703 	var->hsync_len = 140;  in tt_encode_var()
704 	var->vsync_len = 30;  in tt_encode_var()
706 	var->height = -1;  in tt_encode_var()
707 	var->width = -1;  in tt_encode_var()
710 		var->sync = 0;  in tt_encode_var()
712 		var->sync = FB_SYNC_EXT;  in tt_encode_var()
716 		var->xres = sttt_xres / 2;  in tt_encode_var()
717 		var->xres_virtual = sttt_xres_virtual / 2;  in tt_encode_var()
718 		var->yres = st_yres / 2;  in tt_encode_var()
719 		var->bits_per_pixel = 4;  in tt_encode_var()
722 		var->xres = sttt_xres;  in tt_encode_var()
723 		var->xres_virtual = sttt_xres_virtual;  in tt_encode_var()
724 		var->yres = st_yres / 2;  in tt_encode_var()
725 		var->bits_per_pixel = 2;  in tt_encode_var()
728 		var->xres = sttt_xres;  in tt_encode_var()
729 		var->xres_virtual = sttt_xres_virtual;  in tt_encode_var()
730 		var->yres = st_yres;  in tt_encode_var()
731 		var->bits_per_pixel = 1;  in tt_encode_var()
734 		var->xres = sttt_xres / 2;  in tt_encode_var()
735 		var->xres_virtual = sttt_xres_virtual / 2;  in tt_encode_var()
736 		var->yres = tt_yres;  in tt_encode_var()
737 		var->bits_per_pixel = 8;  in tt_encode_var()
740 		var->xres = sttt_xres;  in tt_encode_var()
741 		var->xres_virtual = sttt_xres_virtual;  in tt_encode_var()
742 		var->yres = tt_yres;  in tt_encode_var()
743 		var->bits_per_pixel = 4;  in tt_encode_var()
746 		var->red.length = 0;  in tt_encode_var()
747 		var->xres = sttt_xres * 2;  in tt_encode_var()
748 		var->xres_virtual = sttt_xres_virtual * 2;  in tt_encode_var()
749 		var->yres = tt_yres * 2;  in tt_encode_var()
750 		var->bits_per_pixel = 1;  in tt_encode_var()
753 	var->blue = var->green = var->red;  in tt_encode_var()
754 	var->transp.offset = 0;  in tt_encode_var()
755 	var->transp.length = 0;  in tt_encode_var()
756 	var->transp.msb_right = 0;  in tt_encode_var()
757 	linelen = var->xres_virtual * var->bits_per_pixel / 8;  in tt_encode_var()
759 		var->yres_virtual = var->yres;  in tt_encode_var()
762 			var->yres_virtual = par->yres_virtual;  in tt_encode_var()
765 			var->yres_virtual = screen_len / linelen;  in tt_encode_var()
768 			var->yres_virtual = 2 * var->yres;  in tt_encode_var()
770 			var->yres_virtual = var->yres + hwscroll * 16;  in tt_encode_var()
772 	var->xoffset = 0;  in tt_encode_var()
774 		var->yoffset = (par->screen_base - screen_base) / linelen;  in tt_encode_var()
776 		var->yoffset = 0;  in tt_encode_var()
777 	var->nonstd = 0;  in tt_encode_var()
778 	var->activate = 0;  in tt_encode_var()
779 	var->vmode = FB_VMODE_NONINTERLACED;  in tt_encode_var()
914 static int falcon_decode_var(struct fb_var_screeninfo *var,  in falcon_decode_var()  argument
917 	int bpp = var->bits_per_pixel;  in falcon_decode_var()
918 	int xres = var->xres;  in falcon_decode_var()
919 	int yres = var->yres;  in falcon_decode_var()
920 	int xres_virtual = var->xres_virtual;  in falcon_decode_var()
921 	int yres_virtual = var->yres_virtual;  in falcon_decode_var()
991 		    var->xres > myvar->xres ||  in falcon_decode_var()
992 		    var->yres > myvar->yres)  in falcon_decode_var()
1046 	if (var->pixclock > 1)  in falcon_decode_var()
1047 		var->pixclock -= 1;  in falcon_decode_var()
1072 		if (var->pixclock > f32.t * plen)  in falcon_decode_var()
1077 		if (var->pixclock == 0) {  in falcon_decode_var()
1086 			left_margin = var->left_margin;  in falcon_decode_var()
1087 			right_margin = var->right_margin;  in falcon_decode_var()
1088 			hsync_len = var->hsync_len;  in falcon_decode_var()
1089 			upper_margin = var->upper_margin;  in falcon_decode_var()
1090 			lower_margin = var->lower_margin;  in falcon_decode_var()
1091 			vsync_len = var->vsync_len;  in falcon_decode_var()
1092 			if (var->vmode & FB_VMODE_INTERLACED) {  in falcon_decode_var()
1096 			} else if (var->vmode & FB_VMODE_DOUBLE) {  in falcon_decode_var()
1106 		if (var->pixclock == 0) {  in falcon_decode_var()
1137 				if (f25.t * i >= var->pixclock &&  in falcon_decode_var()
1142 				if (f32.t * i >= var->pixclock &&  in falcon_decode_var()
1147 				if (fext.t && fext.t * i >= var->pixclock &&  in falcon_decode_var()
1157 			left_margin = var->left_margin;  in falcon_decode_var()
1158 			right_margin = var->right_margin;  in falcon_decode_var()
1159 			hsync_len = var->hsync_len;  in falcon_decode_var()
1160 			upper_margin = var->upper_margin;  in falcon_decode_var()
1161 			lower_margin = var->lower_margin;  in falcon_decode_var()
1162 			vsync_len = var->vsync_len;  in falcon_decode_var()
1164 			if (var->vmode & FB_VMODE_INTERLACED) {  in falcon_decode_var()
1170 			} else if (var->vmode & FB_VMODE_DOUBLE) {  in falcon_decode_var()
1202 	if (var->sync & FB_SYNC_HOR_HIGH_ACT)  in falcon_decode_var()
1204 	if (var->sync & FB_SYNC_VERT_HIGH_ACT)  in falcon_decode_var()
1379 	if (var->yoffset + yres > yres_virtual && yres_virtual)  in falcon_decode_var()
1382 	par->screen_base = screen_base + var->yoffset * linelen;  in falcon_decode_var()
1390 static int falcon_encode_var(struct fb_var_screeninfo *var,  in falcon_encode_var()  argument
1399 	memset(var, 0, sizeof(struct fb_var_screeninfo));  in falcon_encode_var()
1401 	var->pixclock = hw->sync & 0x1 ? fext.t :  in falcon_encode_var()
1404 	var->height = -1;  in falcon_encode_var()
1405 	var->width = -1;  in falcon_encode_var()
1407 	var->sync = 0;  in falcon_encode_var()
1409 		var->sync |= FB_SYNC_HOR_HIGH_ACT;  in falcon_encode_var()
1411 		var->sync |= FB_SYNC_VERT_HIGH_ACT;  in falcon_encode_var()
1413 	var->vmode = FB_VMODE_NONINTERLACED;  in falcon_encode_var()
1415 		var->vmode |= FB_VMODE_INTERLACED;  in falcon_encode_var()
1417 		var->vmode |= FB_VMODE_DOUBLE;  in falcon_encode_var()
1424 	var->yres = hw->vde - hw->vdb;  in falcon_encode_var()
1425 	if (!(var->vmode & FB_VMODE_INTERLACED))  in falcon_encode_var()
1426 		var->yres >>= 1;  in falcon_encode_var()
1427 	if (var->vmode & FB_VMODE_DOUBLE)  in falcon_encode_var()
1428 		var->yres >>= 1;  in falcon_encode_var()
1439 		var->bits_per_pixel = 1;  in falcon_encode_var()
1441 		var->bits_per_pixel = 16;  in falcon_encode_var()
1443 		var->bits_per_pixel = 8;  in falcon_encode_var()
1445 		var->bits_per_pixel = 4;  in falcon_encode_var()
1447 		var->bits_per_pixel = 2;  in falcon_encode_var()
1449 		var->bits_per_pixel = 1;  in falcon_encode_var()
1451 	var->xres = hw->line_width * 16 / var->bits_per_pixel;  in falcon_encode_var()
1452 	var->xres_virtual = var->xres + hw->line_offset * 16 / var->bits_per_pixel;  in falcon_encode_var()
1454 		var->xres_virtual += 16;  in falcon_encode_var()
1456 	if (var->bits_per_pixel == 16) {  in falcon_encode_var()
1457 		var->red.offset = 11;  in falcon_encode_var()
1458 		var->red.length = 5;  in falcon_encode_var()
1459 		var->red.msb_right = 0;  in falcon_encode_var()
1460 		var->green.offset = 5;  in falcon_encode_var()
1461 		var->green.length = 6;  in falcon_encode_var()
1462 		var->green.msb_right = 0;  in falcon_encode_var()
1463 		var->blue.offset = 0;  in falcon_encode_var()
1464 		var->blue.length = 5;  in falcon_encode_var()
1465 		var->blue.msb_right = 0;  in falcon_encode_var()
1467 		var->red.offset = 0;  in falcon_encode_var()
1468 		var->red.length = hw->ste_mode ? 4 : 6;  in falcon_encode_var()
1469 		if (var->red.length > var->bits_per_pixel)  in falcon_encode_var()
1470 			var->red.length = var->bits_per_pixel;  in falcon_encode_var()
1471 		var->red.msb_right = 0;  in falcon_encode_var()
1472 		var->grayscale = 0;  in falcon_encode_var()
1473 		var->blue = var->green = var->red;  in falcon_encode_var()
1475 	var->transp.offset = 0;  in falcon_encode_var()
1476 	var->transp.length = 0;  in falcon_encode_var()
1477 	var->transp.msb_right = 0;  in falcon_encode_var()
1479 	linelen = var->xres_virtual * var->bits_per_pixel / 8;  in falcon_encode_var()
1482 			var->yres_virtual = par->yres_virtual;  in falcon_encode_var()
1485 			var->yres_virtual = screen_len / linelen;  in falcon_encode_var()
1488 			var->yres_virtual = 2 * var->yres;  in falcon_encode_var()
1490 			var->yres_virtual = var->yres + hwscroll * 16;  in falcon_encode_var()
1492 	var->xoffset = 0;		/* TODO change this */  in falcon_encode_var()
1502 		hde_off = ((128 / var->bits_per_pixel + 2) * plen);  in falcon_encode_var()
1504 			hdb_off = (64 + base_off + (128 / var->bits_per_pixel + 2) * plen)  in falcon_encode_var()
1507 			hdb_off = (base_off + (128 / var->bits_per_pixel + 18) * plen)  in falcon_encode_var()
1512 	var->left_margin = hdb_off + prescale * ((hw->hdb & 0x1ff) -  in falcon_encode_var()
1515 		var->right_margin = prescale * (hw->hht + 2 - hw->hde) - hde_off;  in falcon_encode_var()
1518 		var->right_margin = prescale * (hw->hht + 2 - hw->hbb);  in falcon_encode_var()
1519 	var->hsync_len = prescale * (hw->hht + 2 - hw->hss);  in falcon_encode_var()
1522 	var->upper_margin = hw->vdb / 2;	/* round down to full lines */  in falcon_encode_var()
1523 	var->lower_margin = (hw->vft + 1 - hw->vde + 1) / 2;	/* round up */  in falcon_encode_var()
1524 	var->vsync_len = (hw->vft + 1 - hw->vss + 1) / 2;	/* round up */  in falcon_encode_var()
1525 	if (var->vmode & FB_VMODE_INTERLACED) {  in falcon_encode_var()
1526 		var->upper_margin *= 2;  in falcon_encode_var()
1527 		var->lower_margin *= 2;  in falcon_encode_var()
1528 		var->vsync_len *= 2;  in falcon_encode_var()
1529 	} else if (var->vmode & FB_VMODE_DOUBLE) {  in falcon_encode_var()
1530 		var->upper_margin = (var->upper_margin + 1) / 2;  in falcon_encode_var()
1531 		var->lower_margin = (var->lower_margin + 1) / 2;  in falcon_encode_var()
1532 		var->vsync_len = (var->vsync_len + 1) / 2;  in falcon_encode_var()
1535 	var->pixclock *= plen;  in falcon_encode_var()
1536 	var->left_margin /= plen;  in falcon_encode_var()
1537 	var->right_margin /= plen;  in falcon_encode_var()
1538 	var->hsync_len /= plen;  in falcon_encode_var()
1540 	var->right_margin -= var->hsync_len;  in falcon_encode_var()
1541 	var->lower_margin -= var->vsync_len;  in falcon_encode_var()
1544 		var->yoffset = (par->screen_base - screen_base) / linelen;  in falcon_encode_var()
1546 		var->yoffset = 0;  in falcon_encode_var()
1547 	var->nonstd = 0;		/* what is this for? */  in falcon_encode_var()
1548 	var->activate = 0;  in falcon_encode_var()
1673 static int falcon_pan_display(struct fb_var_screeninfo *var,  in falcon_pan_display()  argument
1679 	int bpp = info->var.bits_per_pixel;  in falcon_pan_display()
1682 		var->xoffset = up(var->xoffset, 32);  in falcon_pan_display()
1684 		par->hw.falcon.xoffset = var->xoffset & 15;  in falcon_pan_display()
1687 		var->xoffset = up(var->xoffset, 2);  in falcon_pan_display()
1690 		(info->var.xres_virtual - info->var.xres) / 16;  in falcon_pan_display()
1693 	xoffset = var->xoffset - par->hw.falcon.xoffset;  in falcon_pan_display()
1696 	        (var->yoffset * info->var.xres_virtual + xoffset) * bpp / 8;  in falcon_pan_display()
1839 static int stste_decode_var(struct fb_var_screeninfo *var,  in stste_decode_var()  argument
1842 	int xres = var->xres;  in stste_decode_var()
1843 	int yres = var->yres;  in stste_decode_var()
1844 	int bpp = var->bits_per_pixel;  in stste_decode_var()
1846 	int yres_virtual = var->yres_virtual;  in stste_decode_var()
1879 	if (var->sync & FB_SYNC_EXT)  in stste_decode_var()
1888 	if (var->yoffset + yres > yres_virtual && yres_virtual)  in stste_decode_var()
1891 	par->screen_base = screen_base + var->yoffset * linelen;  in stste_decode_var()
1896 static int stste_encode_var(struct fb_var_screeninfo *var,  in stste_encode_var()  argument
1900 	memset(var, 0, sizeof(struct fb_var_screeninfo));  in stste_encode_var()
1901 	var->red.offset = 0;  in stste_encode_var()
1902 	var->red.length = ATARIHW_PRESENT(EXTD_SHIFTER) ? 4 : 3;  in stste_encode_var()
1903 	var->red.msb_right = 0;  in stste_encode_var()
1904 	var->grayscale = 0;  in stste_encode_var()
1906 	var->pixclock = 31041;  in stste_encode_var()
1907 	var->left_margin = 120;		/* these are incorrect */  in stste_encode_var()
1908 	var->right_margin = 100;  in stste_encode_var()
1909 	var->upper_margin = 8;  in stste_encode_var()
1910 	var->lower_margin = 16;  in stste_encode_var()
1911 	var->hsync_len = 140;  in stste_encode_var()
1912 	var->vsync_len = 30;  in stste_encode_var()
1914 	var->height = -1;  in stste_encode_var()
1915 	var->width = -1;  in stste_encode_var()
1918 		var->sync = 0;  in stste_encode_var()
1920 		var->sync = FB_SYNC_EXT;  in stste_encode_var()
1924 		var->xres = sttt_xres / 2;  in stste_encode_var()
1925 		var->yres = st_yres / 2;  in stste_encode_var()
1926 		var->bits_per_pixel = 4;  in stste_encode_var()
1929 		var->xres = sttt_xres;  in stste_encode_var()
1930 		var->yres = st_yres / 2;  in stste_encode_var()
1931 		var->bits_per_pixel = 2;  in stste_encode_var()
1934 		var->xres = sttt_xres;  in stste_encode_var()
1935 		var->yres = st_yres;  in stste_encode_var()
1936 		var->bits_per_pixel = 1;  in stste_encode_var()
1939 	var->blue = var->green = var->red;  in stste_encode_var()
1940 	var->transp.offset = 0;  in stste_encode_var()
1941 	var->transp.length = 0;  in stste_encode_var()
1942 	var->transp.msb_right = 0;  in stste_encode_var()
1943 	var->xres_virtual = sttt_xres_virtual;  in stste_encode_var()
1944 	linelen = var->xres_virtual * var->bits_per_pixel / 8;  in stste_encode_var()
1948 		var->yres_virtual = var->yres;  in stste_encode_var()
1951 			var->yres_virtual = par->yres_virtual;  in stste_encode_var()
1954 			var->yres_virtual = screen_len / linelen;  in stste_encode_var()
1957 			var->yres_virtual = 2 * var->yres;  in stste_encode_var()
1959 			var->yres_virtual = var->yres + hwscroll * 16;  in stste_encode_var()
1961 	var->xoffset = 0;  in stste_encode_var()
1963 		var->yoffset = (par->screen_base - screen_base) / linelen;  in stste_encode_var()
1965 		var->yoffset = 0;  in stste_encode_var()
1966 	var->nonstd = 0;  in stste_encode_var()
1967 	var->activate = 0;  in stste_encode_var()
1968 	var->vmode = FB_VMODE_NONINTERLACED;  in stste_encode_var()
2156 static int ext_decode_var(struct fb_var_screeninfo *var, struct atafb_par *par)  in ext_decode_var()  argument
2160 	if (var->bits_per_pixel > myvar->bits_per_pixel ||  in ext_decode_var()
2161 	    var->xres > myvar->xres ||  in ext_decode_var()
2162 	    var->xres_virtual > myvar->xres_virtual ||  in ext_decode_var()
2163 	    var->yres > myvar->yres ||  in ext_decode_var()
2164 	    var->xoffset > 0 ||  in ext_decode_var()
2165 	    var->yoffset > 0)  in ext_decode_var()
2172 static int ext_encode_var(struct fb_var_screeninfo *var, struct atafb_par *par)  in ext_encode_var()  argument
2174 	memset(var, 0, sizeof(struct fb_var_screeninfo));  in ext_encode_var()
2175 	var->red.offset = 0;  in ext_encode_var()
2176 	var->red.length = (external_pmode == -1) ? external_depth / 3 :  in ext_encode_var()
2178 	var->red.msb_right = 0;  in ext_encode_var()
2179 	var->grayscale = 0;  in ext_encode_var()
2181 	var->pixclock = 31041;  in ext_encode_var()
2182 	var->left_margin = 120;		/* these are surely incorrect */  in ext_encode_var()
2183 	var->right_margin = 100;  in ext_encode_var()
2184 	var->upper_margin = 8;  in ext_encode_var()
2185 	var->lower_margin = 16;  in ext_encode_var()
2186 	var->hsync_len = 140;  in ext_encode_var()
2187 	var->vsync_len = 30;  in ext_encode_var()
2189 	var->height = -1;  in ext_encode_var()
2190 	var->width = -1;  in ext_encode_var()
2192 	var->sync = 0;  in ext_encode_var()
2194 	var->xres = external_xres;  in ext_encode_var()
2195 	var->yres = external_yres;  in ext_encode_var()
2196 	var->xres_virtual = external_xres_virtual;  in ext_encode_var()
2197 	var->bits_per_pixel = external_depth;  in ext_encode_var()
2199 	var->blue = var->green = var->red;  in ext_encode_var()
2200 	var->transp.offset = 0;  in ext_encode_var()
2201 	var->transp.length = 0;  in ext_encode_var()
2202 	var->transp.msb_right = 0;  in ext_encode_var()
2203 	var->yres_virtual = var->yres;  in ext_encode_var()
2204 	var->xoffset = 0;  in ext_encode_var()
2205 	var->yoffset = 0;  in ext_encode_var()
2206 	var->nonstd = 0;  in ext_encode_var()
2207 	var->activate = 0;  in ext_encode_var()
2208 	var->vmode = FB_VMODE_NONINTERLACED;  in ext_encode_var()
2294 static int pan_display(struct fb_var_screeninfo *var, struct fb_info *info)  in pan_display()  argument
2299 	    (!ATARIHW_PRESENT(EXTD_SHIFTER) && var->xoffset))  in pan_display()
2301 	var->xoffset = up(var->xoffset, 16);  in pan_display()
2303 	        (var->yoffset * info->var.xres_virtual + var->xoffset)  in pan_display()
2304 	        * info->var.bits_per_pixel / 8;  in pan_display()
2384 static int do_fb_set_var(struct fb_var_screeninfo *var, int isactive)  in do_fb_set_var()  argument
2389 	err = fbhw->decode_var(var, &par);  in do_fb_set_var()
2392 	activate = var->activate;  in do_fb_set_var()
2393 	if (((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) && isactive)  in do_fb_set_var()
2395 	fbhw->encode_var(var, &par);  in do_fb_set_var()
2396 	var->activate = activate;  in do_fb_set_var()
2408 	err = fbhw->decode_var(&info->var, &par);  in atafb_get_fix()
2416 static int atafb_get_var(struct fb_var_screeninfo *var, struct fb_info *info)  in atafb_get_var()  argument
2421 	fbhw->encode_var(var, &par);  in atafb_get_var()
2431 	atafb_get_var(&info->var, info);  in atafb_set_disp()
2450 atafb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)  in atafb_pan_display()  argument
2452 	int xoffset = var->xoffset;  in atafb_pan_display()
2453 	int yoffset = var->yoffset;  in atafb_pan_display()
2456 	if (var->vmode & FB_VMODE_YWRAP) {  in atafb_pan_display()
2457 		if (yoffset < 0 || yoffset >= info->var.yres_virtual || xoffset)  in atafb_pan_display()
2460 		if (xoffset + info->var.xres > info->var.xres_virtual ||  in atafb_pan_display()
2461 		    yoffset + info->var.yres > info->var.yres_virtual)  in atafb_pan_display()
2466 		err = fbhw->pan_display(var, info);  in atafb_pan_display()
2472 	info->var.xoffset = xoffset;  in atafb_pan_display()
2473 	info->var.yoffset = yoffset;  in atafb_pan_display()
2475 	if (var->vmode & FB_VMODE_YWRAP)  in atafb_pan_display()
2476 		info->var.vmode |= FB_VMODE_YWRAP;  in atafb_pan_display()
2478 		info->var.vmode &= ~FB_VMODE_YWRAP;  in atafb_pan_display()
2508 	if (info->var.bits_per_pixel == 16) {  in atafb_fillrect()
2520 	x2 = x2 < info->var.xres_virtual ? x2 : info->var.xres_virtual;  in atafb_fillrect()
2521 	y2 = y2 < info->var.yres_virtual ? y2 : info->var.yres_virtual;  in atafb_fillrect()
2525 	if (info->var.bits_per_pixel == 1)  in atafb_fillrect()
2528 	else if (info->var.bits_per_pixel == 2)  in atafb_fillrect()
2531 	else if (info->var.bits_per_pixel == 4)  in atafb_fillrect()
2549 	if (info->var.bits_per_pixel == 16) {  in atafb_copyarea()
2560 	x2 = x2 < info->var.xres_virtual ? x2 : info->var.xres_virtual;  in atafb_copyarea()
2561 	y2 = y2 < info->var.yres_virtual ? y2 : info->var.yres_virtual;  in atafb_copyarea()
2573 	if (sx + width > info->var.xres_virtual ||  in atafb_copyarea()
2574 			sy + height > info->var.yres_virtual)  in atafb_copyarea()
2583 	if (info->var.bits_per_pixel == 1)  in atafb_copyarea()
2585 	else if (info->var.bits_per_pixel == 2)  in atafb_copyarea()
2587 	else if (info->var.bits_per_pixel == 4)  in atafb_copyarea()
2605 	if (info->var.bits_per_pixel == 16) {  in atafb_imageblit()
2620 	x2 = x2 < info->var.xres_virtual ? x2 : info->var.xres_virtual;  in atafb_imageblit()
2621 	y2 = y2 < info->var.yres_virtual ? y2 : info->var.yres_virtual;  in atafb_imageblit()
2635 			if (info->var.bits_per_pixel == 1)  in atafb_imageblit()
2639 			else if (info->var.bits_per_pixel == 2)  in atafb_imageblit()
2643 			else if (info->var.bits_per_pixel == 4)  in atafb_imageblit()
2657 			   info->var.bits_per_pixel);  in atafb_imageblit()
2720 static int atafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)  in atafb_check_var()  argument
2727 	err = fbhw->decode_var(var, &par);  in atafb_check_var()
2732 	fbhw->encode_var(var, &par);  in atafb_check_var()
2743 	fbhw->decode_var(&info->var, par);  in atafb_set_par()
2772 	struct fb_var_screeninfo var;  in check_default_par()  local
2777 		var = atafb_predefined[default_par - 1];  in check_default_par()
2778 		var.activate = FB_ACTIVATE_TEST;  in check_default_par()
2779 		if (do_fb_set_var(&var, 1))  in check_default_par()
2784 		var = atafb_predefined[detected_mode - 1]; /* autodetect */  in check_default_par()
2785 		var.activate = FB_ACTIVATE_TEST;  in check_default_par()
2786 		if (!do_fb_set_var(&var, 1))  in check_default_par()
2797 			var = atafb_predefined[default_par - 1];  in check_default_par()
2798 			var.activate = FB_ACTIVATE_TEST;  in check_default_par()
2799 			if (!do_fb_set_var(&var,1))  in check_default_par()
2803 	min_mem = var.xres_virtual * var.yres_virtual * var.bits_per_pixel / 8;  in check_default_par()
3205 	atafb_get_var(&fb_info.var, &fb_info);  in atafb_init()
3212 	if (!fb_find_mode(&fb_info.var, &fb_info, mode_option, atafb_modedb,  in atafb_init()
3214 			  fb_info.var.bits_per_pixel)) {  in atafb_init()
3223 	fb_alloc_cmap(&(fb_info.cmap), 1 << fb_info.var.bits_per_pixel, 0);  in atafb_init()
3227 	       fb_info.var.xres, fb_info.var.yres, fb_info.var.bits_per_pixel);  in atafb_init()
3228 	if ((fb_info.var.xres != fb_info.var.xres_virtual) ||  in atafb_init()
3229 	    (fb_info.var.yres != fb_info.var.yres_virtual))  in atafb_init()
3230 		printk("   virtual %dx%d\n", fb_info.var.xres_virtual,  in atafb_init()
3231 		       fb_info.var.yres_virtual);  in atafb_init()