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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/via.h | |
Initial import
Diffstat (limited to 'include/linux/via.h')
| -rw-r--r-- | include/linux/via.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/via.h b/include/linux/via.h new file mode 100644 index 000000000..86ae3bcdb --- /dev/null +++ b/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 |