Modify Thomas's radeon driver to fit our build structure.

Still needs woork to properly enable logging and extra settings.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6983 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/graphics/radeon/mmio.h

@@ -0,0 +1,30 @@
+/*
+	Copyright (c) 2002, Thomas Kurschel
+
+
+	Part of Radeon driver
+		
+	Macros for easier memory mapped I/O access
+*/
+
+#ifndef _MMIO_H
+#define _MMIO_H
+
+// read 8-bit register
+#define INREG8( regs, addr ) (*(regs + (addr)))
+// write 8-bit register
+#define OUTREG8( regs, addr, val ) do { *(regs + (addr)) = (val); } while( 0 )
+// read 32-bit register
+#define INREG( regs, addr ) (*((vuint32 *)(regs + (addr))))
+// write 32-bit register
+#define OUTREG( regs, addr, val ) do { *(vuint32 *)(regs + (addr)) = (val); } while( 0 )
+// write partial 32-bit register, keeping bits "mask"
+#define OUTREGP( regs, addr, val, mask )                                  \
+	do {                                                                  \
+		uint32 tmp = INREG( (regs), (addr) );                             \
+		tmp &= (mask);                                                    \
+		tmp |= (val);                                                     \
+		OUTREG( (regs), (addr), tmp );                                    \
+	} while (0)
+
+#endif