diff options
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 000000000000..86ae3bcdb2ba --- /dev/null +++ b/include/linux/via.h | |||
@@ -0,0 +1,22 @@ | |||
1 | /* Miscellaneous definitions for VIA chipsets | ||
2 | Currently used only by drivers/parport/parport_pc.c */ | ||
3 | |||
4 | /* Values for SuperIO function select configuration register */ | ||
5 | #define VIA_FUNCTION_PARPORT_SPP 0x00 | ||
6 | #define VIA_FUNCTION_PARPORT_ECP 0x01 | ||
7 | #define VIA_FUNCTION_PARPORT_EPP 0x02 | ||
8 | #define VIA_FUNCTION_PARPORT_DISABLE 0x03 | ||
9 | #define VIA_FUNCTION_PROBE 0xFF /* Special magic value to be used in code, not to be written into chip */ | ||
10 | |||
11 | /* Bits for parallel port mode configuration register */ | ||
12 | #define VIA_PARPORT_ECPEPP 0X20 | ||
13 | #define VIA_PARPORT_BIDIR 0x80 | ||
14 | |||
15 | /* VIA configuration registers */ | ||
16 | #define VIA_CONFIG_INDEX 0x3F0 | ||
17 | #define VIA_CONFIG_DATA 0x3F1 | ||
18 | |||
19 | /* Mask for parallel port IRQ bits (in ISA PnP IRQ routing register 1) */ | ||
20 | #define VIA_IRQCONTROL_PARALLEL 0xF0 | ||
21 | /* Mask for parallel port DMA bits (in ISA PnP DMA routing register) */ | ||
22 | #define VIA_DMACONTROL_PARALLEL 0x0C | ||