From c91b557ad0a4d4803874f8b908aa9732152b0f0b Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:24 -0700 Subject: 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 Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/iface.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 drivers/video/via/iface.h (limited to 'drivers/video/via/iface.h') diff --git a/drivers/video/via/iface.h b/drivers/video/via/iface.h new file mode 100644 index 000000000000..790ec3e3aea2 --- /dev/null +++ b/drivers/video/via/iface.h @@ -0,0 +1,38 @@ +/* + * 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__ */ -- cgit v1.2.3