diff options
| author | Zheng Da <zhengda1936@gmail.com> | 2009-12-06 05:26:23 +0100 |
|---|---|---|
| committer | Zheng Da <zhengda1936@gmail.com> | 2009-12-06 05:26:23 +0100 |
| commit | 8a6d48c0542876eb3acfc0970c0ab7872db08d5f (patch) | |
| tree | 496e78bc728317ea779781b92f897d16936ee231 /libdde_linux26/contrib/include/linux/via.h | |
| parent | b4bffcfcdf3ab7a55d664e9aa5907f88da503f38 (diff) | |
check in the original version of dde linux26.
Diffstat (limited to 'libdde_linux26/contrib/include/linux/via.h')
| -rw-r--r-- | libdde_linux26/contrib/include/linux/via.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/via.h b/libdde_linux26/contrib/include/linux/via.h new file mode 100644 index 00000000..86ae3bcd --- /dev/null +++ b/libdde_linux26/contrib/include/linux/via.h @@ -0,0 +1,22 @@ +/* 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 |