GTP_WREN_OFF       76 dev/pci/gtp.c  #define GTP_READ_CLOCK_LOW	(GTP_WREN_OFF | GTP_DATA_ON | GTP_CLCK_OFF)
GTP_WREN_OFF       77 dev/pci/gtp.c  #define GTP_READ_CLOCK_HIGH	(GTP_WREN_OFF | GTP_DATA_ON | GTP_CLCK_ON)
GTP_WREN_OFF      256 dev/pci/gtp.c  	    GTP_DATA_ON | GTP_WREN_OFF | GTP_CLCK_OFF);
GTP_WREN_OFF      260 dev/pci/gtp.c  	    GTP_DATA_ON | GTP_WREN_OFF | GTP_CLCK_ON);