1 // SPDX-License-Identifier: GPL-2.0-only
2 /* -*- linux-c -*- ------------------------------------------------------- *
5  *   Copyright 2007-2008 rPath, Inc. - All Rights Reserved
7  * ----------------------------------------------------------------------- */
10  * arch/i386/boot/video-mode.c
42 		if (card->unsafe == unsafe) {  in probe_cards()
43 			if (card->probe)  in probe_cards()
44 				card->nmodes = card->probe();  in probe_cards()
46 				card->nmodes = 0;  in probe_cards()
59 		mi = card->modes;  in mode_defined()
60 		for (i = 0; i < card->nmodes; i++, mi++) {  in mode_defined()
61 			if (mi->mode == mode)  in mode_defined()
82 		mi = card->modes;  in raw_set_mode()
83 		for (i = 0; i < card->nmodes; i++, mi++) {  in raw_set_mode()
84 			int visible = mi->x || mi->y;  in raw_set_mode()
87 			    mode == mi->mode ||  in raw_set_mode()
88 			    mode == (mi->y << 8)+mi->x) {  in raw_set_mode()
89 				*real_mode = mi->mode;  in raw_set_mode()
90 				return card->set_mode(mi);  in raw_set_mode()
100 		if (mode >= card->xmode_first &&  in raw_set_mode()
101 		    mode < card->xmode_first+card->xmode_n) {  in raw_set_mode()
102 			struct mode_info mix;  in raw_set_mode()  local
103 			*real_mode = mix.mode = mode;  in raw_set_mode()
104 			mix.x = mix.y = 0;  in raw_set_mode()
105 			return card->set_mode(&mix);  in raw_set_mode()
110 	return -1;  in raw_set_mode()
127 	rows--;			/* ... minus one */  in vga_recalc_vertical()
132 	pt &= ~0x80;		/* Unlock CR0-7 */  in vga_recalc_vertical()
139 	ov |= (rows >> (8-1)) & 0x02;  in vga_recalc_vertical()
140 	ov |= (rows >> (9-6)) & 0x40;  in vga_recalc_vertical()