#define R200_PP_TRI_PERF 0x2cf8
+/* MPEG settings from VHA code */
+#define RADEON_VHA_SETTO16_1 0x2694
+#define RADEON_VHA_SETTO16_2 0x2680
+#define RADEON_VHA_SETTO0_1 0x1840
+#define RADEON_VHA_FB_OFFSET 0x19e4
+#define RADEON_VHA_SETTO1AND70S 0x19d8
+#define RADEON_VHA_DST_PITCH 0x1408
+
+// set as reference header
+#define RADEON_VHA_BACKFRAME0_OFF_Y 0x1840
+#define RADEON_VHA_BACKFRAME1_OFF_PITCH_Y 0x1844
+#define RADEON_VHA_BACKFRAME0_OFF_U 0x1848
+#define RADEON_VHA_BACKFRAME1_OFF_PITCH_U 0x184c
+#define RADOEN_VHA_BACKFRAME0_OFF_V 0x1850
+#define RADEON_VHA_BACKFRAME1_OFF_PITCH_V 0x1854
+#define RADEON_VHA_FORWFRAME0_OFF_Y 0x1858
+#define RADEON_VHA_FORWFRAME1_OFF_PITCH_Y 0x185c
+#define RADEON_VHA_FORWFRAME0_OFF_U 0x1860
+#define RADEON_VHA_FORWFRAME1_OFF_PITCH_U 0x1864
+#define RADEON_VHA_FORWFRAME0_OFF_V 0x1868
+#define RADEON_VHA_FORWFRAME0_OFF_PITCH_V 0x1880
+#define RADEON_VHA_BACKFRAME0_OFF_Y_2 0x1884
+#define RADEON_VHA_BACKFRAME1_OFF_PITCH_Y_2 0x1888
+#define RADEON_VHA_BACKFRAME0_OFF_U_2 0x188c
+#define RADEON_VHA_BACKFRAME1_OFF_PITCH_U_2 0x1890
+#define RADEON_VHA_BACKFRAME0_OFF_V_2 0x1894
+#define RADEON_VHA_BACKFRAME1_OFF_PITCH_V_2 0x1898
+
+
+
/* Constants */
#define RADEON_MAX_USEC_TIMEOUT 100000 /* 100 ms */