BUS_CNTL           15 include/video/aty128.h #define BUS_CNTL				0x0030
BUS_CNTL          153 include/video/mach64.h #define BUS_CNTL		0x00A0	/* Dword offset 0_28 */
BUS_CNTL           10 include/video/radeon.h #define BUS_CNTL                               0x0030