aboutsummaryrefslogtreecommitdiff
path: root/drivers/video/via/iface.h
diff options
context:
space:
mode:
authorJoseph Chan <JosephChan@via.com.tw>2008-10-15 22:03:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 11:21:41 -0700
commitc91b557ad0a4d4803874f8b908aa9732152b0f0b (patch)
tree7ad914c2deed6f71e2600bdfdb7cbc84ef22aa41 /drivers/video/via/iface.h
parentd61e0bf38e3e4adb2c775d64e447f6f9bef67075 (diff)
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>
Diffstat (limited to 'drivers/video/via/iface.h')
-rw-r--r--drivers/video/via/iface.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/video/via/iface.h b/drivers/video/via/iface.h
new file mode 100644
index 00000000000..790ec3e3aea
--- /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__ */