1 files changed, 43 insertions, 0 deletions
diff --git a/Source/DirectFB/gfxdrivers/unichrome/mmio.h b/Source/DirectFB/gfxdrivers/unichrome/mmio.h
new file mode 100755
index 0000000..757445a
--- /dev/null
+++ b/Source/DirectFB/gfxdrivers/unichrome/mmio.h
@@ -0,0 +1,43 @@
+/*
+   Copyright (c) 2003 Andreas Robinson, All rights reserved.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+*/
+
+#ifndef _VIA_MMIO_H
+#define _VIA_MMIO_H
+
+#define TRACE_ENTER() printf("Entering %s\n", __PRETTY_FUNCTION__)
+#define TRACE_LEAVE() printf("Leaving %s\n", __PRETTY_FUNCTION__)
+
+#ifdef KERNEL
+
+#define VIA_OUT(hwregs, reg, val) *(volatile u32 *)((hwregs) + (reg)) = (val)
+#define VIA_IN(hwregs, reg)       *(volatile u32 *)((hwregs) + (reg))
+#define VGA_OUT8(hwregs, reg, val) *(volatile u8 *)((hwregs) + (reg) + 0x8000) = (val)
+#define VGA_IN8(hwregs, reg)       *(volatile u8 *)((hwregs) + (reg) + 0x8000)
+#define RS16(val)               ((u16)((s16)(val)))
+#define RS12(val)               (((u16)((s16)(val))) & 0xfff)
+
+
+#else // !KERNEL
+
+#define VIA_OUT(hwregs, reg, val)   *(volatile u32 *)((hwregs) + (reg)) = (val)
+#define VIA_IN(hwregs, reg)         *(volatile u32 *)((hwregs) + (reg))
+#define VGA_OUT8(hwregs, reg, val)  *(volatile u8 *)((hwregs) + (reg) + 0x8000) = (val)
+#define VGA_IN8(hwregs, reg)        *(volatile u8 *)((hwregs) + (reg) + 0x8000)
+
+#define RS16(val)               ((u16)((s16)(val)))
+#define RS12(val)               (((u16)((s16)(val))) & 0xfff)
+
+#endif // KERNEL
+
+#define VIDEO_OUT(hwregs, reg, val) VIA_OUT((hwregs)+0x200, reg, val)
+#define VIDEO_IN(hwregs, reg)       VIA_IN((hwregs)+0x200, reg)
+
+#define MAXLOOP                 0xffffff
+
+#endif /* _VIA_MMIO_H */