Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / include / asm-generic / vga.h
diff --git a/kernel/include/asm-generic/vga.h b/kernel/include/asm-generic/vga.h
new file mode 100644 (file)
index 0000000..36c8ff5
--- /dev/null
@@ -0,0 +1,24 @@
+/*
+ *     Access to VGA videoram
+ *
+ *     (c) 1998 Martin Mares <mj@ucw.cz>
+ */
+#ifndef __ASM_GENERIC_VGA_H
+#define __ASM_GENERIC_VGA_H
+
+/*
+ *     On most architectures that support VGA, we can just
+ *     recalculate addresses and then access the videoram
+ *     directly without any black magic.
+ *
+ *     Everyone else needs to ioremap the address and use
+ *     proper I/O accesses.
+ */
+#ifndef VGA_MAP_MEM
+#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
+#endif
+
+#define vga_readb(x) (*(x))
+#define vga_writeb(x, y) (*(y) = (x))
+
+#endif /* _ASM_GENERIC_VGA_H */