linux/drivers/video/via/iface.h
Joseph Chan c91b557ad0 viafb: iface.c, iface.h, ioctl.c, ioctl.h
iface.c, iface.h: support getting video memory from backdoor.
ioctl.c, ioctl.h: support user mode application with additional information

Signed-off-by: Joseph Chan <josephchan@via.com.tw>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-16 11:21:41 -07:00

38 lines
1.2 KiB
C

/*
* Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE.See the GNU General Public License
* for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __IFACE_H__
#define __IFACE_H__
#define Kb (1024)
#define Mb (Kb*Kb)
#define VIA_K800_BRIDGE_VID 0x1106
#define VIA_K800_BRIDGE_DID 0x3204
#define VIA_K800_SYSTEM_MEMORY_REG 0x47
#define VIA_K800_VIDEO_MEMORY_REG 0xA1
extern int viafb_memsize;
unsigned int viafb_get_memsize(void);
unsigned long viafb_get_videobuf_addr(void);
#endif /* __IFACE_H__ */