/* Miscellaneous definitions for VIA chipsets
     Currently used only by drivers/parport/parport_pc.c */
  
  /* Values for SuperIO function select configuration register */
  #define VIA_FUNCTION_PARPORT_SPP     0x00
  #define VIA_FUNCTION_PARPORT_ECP     0x01
  #define VIA_FUNCTION_PARPORT_EPP     0x02
  #define VIA_FUNCTION_PARPORT_DISABLE 0x03
  #define VIA_FUNCTION_PROBE           0xFF /* Special magic value to be used in code, not to be written into chip */
  
  /* Bits for parallel port mode configuration register */
  #define VIA_PARPORT_ECPEPP 0X20
  #define VIA_PARPORT_BIDIR  0x80
  
  /* VIA configuration registers */
  #define VIA_CONFIG_INDEX 0x3F0
  #define VIA_CONFIG_DATA  0x3F1
  
  /* Mask for parallel port IRQ bits (in ISA PnP IRQ routing register 1) */
  #define VIA_IRQCONTROL_PARALLEL 0xF0
  /* Mask for parallel port DMA bits (in ISA PnP DMA routing register) */
  #define VIA_DMACONTROL_PARALLEL 0x0C