1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
4  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
5  * Copyright 2010 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
6  */
7 /*
8  * basic modesetting functions
9  */
10 
11 #ifndef __VIA_MODESETTING_H__
12 #define __VIA_MODESETTING_H__
13 
14 #include <linux/types.h>
15 
16 
17 #define VIA_PITCH_SIZE	(1<<3)
18 #define VIA_PITCH_MAX	0x3FF8
19 
20 
21 struct via_display_timing {
22 	u16 hor_total;
23 	u16 hor_addr;
24 	u16 hor_blank_start;
25 	u16 hor_blank_end;
26 	u16 hor_sync_start;
27 	u16 hor_sync_end;
28 	u16 ver_total;
29 	u16 ver_addr;
30 	u16 ver_blank_start;
31 	u16 ver_blank_end;
32 	u16 ver_sync_start;
33 	u16 ver_sync_end;
34 };
35 
36 
37 void via_set_primary_timing(const struct via_display_timing *timing);
38 void via_set_secondary_timing(const struct via_display_timing *timing);
39 void via_set_primary_address(u32 addr);
40 void via_set_secondary_address(u32 addr);
41 void via_set_primary_pitch(u32 pitch);
42 void via_set_secondary_pitch(u32 pitch);
43 void via_set_primary_color_depth(u8 depth);
44 void via_set_secondary_color_depth(u8 depth);
45 
46 #endif /* __VIA_MODESETTING_H__ */
47