Upgrade to version 4.1 of radeon driver.

Includes some common routines which may be used by other drivers.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8405 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/graphics/radeon/pll_access.h

@@ -0,0 +1,39 @@
+/*
+	Copyright (c) 2002, Thomas Kurschel
+
+
+	Part of Radeon driver
+		
+	Basic PLL registers access
+*/
+
+#ifndef _PLL_ACCESS_H
+#define _PLL_ACCESS_H
+
+#include "mmio.h"
+
+
+// r300: to be called after each CLOCK_CNTL_INDEX access;
+// all functions declared in this header take care of that
+// (hardware bug fix suggested by XFree86)
+void R300_PLLFix( vuint8 *regs, radeon_type asic );
+
+// in general:
+// - the PLL is connected via special port
+// - you need first to choose the PLL register and then write/read its value
+//
+// if atomic updates are not safe we:
+// - verify each time whether the right register is chosen
+// - verify all values written to PLL-registers
+
+
+// read value "val" from PLL-register "addr"
+uint32 Radeon_INPLL( vuint8 *regs, radeon_type asic, int addr );
+
+// write value "val" to PLL-register "addr" 
+void Radeon_OUTPLL( vuint8 *regs, radeon_type asic, uint8 addr, uint32 val );
+
+// write "val" to PLL-register "addr" keeping bits "mask"
+void Radeon_OUTPLLP( vuint8 *regs, radeon_type asic, uint8 addr, uint32 val, uint32 mask );
+
+#endif