patch-2.4.19 linux-2.4.19/include/asm-ppc64/vga.h

• Lines: 51
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ppc64/vga.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-ppc64/vga.h linux-2.4.19/include/asm-ppc64/vga.h
@@ -0,0 +1,50 @@
+/*
+ *	Access to VGA videoram
+ *
+ *	(c) 1998 Martin Mares <mj@ucw.cz>
+ *
+ * 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 of the License, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_ASM_VGA_H_
+#define _LINUX_ASM_VGA_H_
+
+#include <asm/io.h>
+
+#include <linux/config.h>
+
+#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE)
+
+#define VT_BUF_HAVE_RW
+/*
+ *  These are only needed for supporting VGA or MDA text mode, which use little
+ *  endian byte ordering.
+ *  In other cases, we can optimize by using native byte ordering and
+ *  <linux/vt_buffer.h> has already done the right job for us.
+ */
+
+extern inline void scr_writew(u16 val, volatile u16 *addr)
+{
+    st_le16(addr, val);
+}
+
+extern inline u16 scr_readw(volatile const u16 *addr)
+{
+    return ld_le16(addr);
+}
+
+#define VT_BUF_HAVE_MEMCPYW
+#define scr_memcpyw	memcpy
+
+#endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */
+
+extern unsigned long vgacon_remap_base;
+#define VGA_MAP_MEM(x) ((unsigned long) ioremap((x), 0))
+
+#define vga_readb(x) (*(x))
+#define vga_writeb(x,y) (*(y) = (x))
+
+#endif