SiS_GetRegShort
temp = SiS_GetRegShort((acpibase + 0x3c)); /* ACPI register 0x3c: GP Event 1 I/O mode select */
temp = SiS_GetRegShort((acpibase + 0x3c));
temp = SiS_GetRegShort((acpibase + 0x3a)); /* ACPI register 0x3a: GP Pin Level (low/high) */
temp = SiS_GetRegShort((acpibase + 0x3a));
u16 SiS_GetRegShort(SISIOADDRESS);