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authorPaul Mackerras <paulus@samba.org>2005-10-31 13:37:12 +1100
committerPaul Mackerras <paulus@samba.org>2005-10-31 13:37:12 +1100
commit23fd07750a789a66fe88cf173d52a18f1a387da4 (patch)
tree06fdd6df35fdb835abdaa9b754d62f6b84b97250 /include/asm-mips/vga.h
parentbd787d438a59266af3c9f6351644c85ef1dd21fe (diff)
parented28f96ac1960f30f818374d65be71d2fdf811b0 (diff)
downloadop-kernel-dev-23fd07750a789a66fe88cf173d52a18f1a387da4.zip
op-kernel-dev-23fd07750a789a66fe88cf173d52a18f1a387da4.tar.gz
Merge ../linux-2.6 by hand
Diffstat (limited to 'include/asm-mips/vga.h')
-rw-r--r--include/asm-mips/vga.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-mips/vga.h b/include/asm-mips/vga.h
index 6b35cf0..ca5cec9 100644
--- a/include/asm-mips/vga.h
+++ b/include/asm-mips/vga.h
@@ -6,6 +6,8 @@
#ifndef _ASM_VGA_H
#define _ASM_VGA_H
+#include <asm/byteorder.h>
+
/*
* On the PC, we can just recalculate addresses and then
* access the videoram directly without any black magic.
@@ -16,4 +18,27 @@
#define vga_readb(x) (*(x))
#define vga_writeb(x,y) (*(y) = (x))
+#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.
+ */
+
+static inline void scr_writew(u16 val, volatile u16 *addr)
+{
+ *addr = cpu_to_le16(val);
+}
+
+static inline u16 scr_readw(volatile const u16 *addr)
+{
+ return le16_to_cpu(*addr);
+}
+
+#define scr_memcpyw(d, s, c) memcpy(d, s, c)
+#define scr_memmovew(d, s, c) memmove(d, s, c)
+#define VT_BUF_HAVE_MEMCPYW
+#define VT_BUF_HAVE_MEMMOVEW
+
#endif /* _ASM_VGA_H */
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