OpenCores
URL https://opencores.org/ocsvn/test_project/test_project/trunk

Subversion Repositories test_project

[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [via.h] - Rev 62

Compare with Previous | Blame | View Log

/* 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
 

Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2025 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.