1 /* SPDX-License-Identifier: GPL-2.0 */ 1 2 /* Miscellaneous definitions for VIA chipsets 3 Currently used only by drivers/parport/parp 4 5 /* Values for SuperIO function select configur 6 #define VIA_FUNCTION_PARPORT_SPP 0x00 7 #define VIA_FUNCTION_PARPORT_ECP 0x01 8 #define VIA_FUNCTION_PARPORT_EPP 0x02 9 #define VIA_FUNCTION_PARPORT_DISABLE 0x03 10 #define VIA_FUNCTION_PROBE 0xFF /* S 11 12 /* Bits for parallel port mode configuration r 13 #define VIA_PARPORT_ECPEPP 0X20 14 #define VIA_PARPORT_BIDIR 0x80 15 16 /* VIA configuration registers */ 17 #define VIA_CONFIG_INDEX 0x3F0 18 #define VIA_CONFIG_DATA 0x3F1 19 20 /* Mask for parallel port IRQ bits (in ISA PnP 21 #define VIA_IRQCONTROL_PARALLEL 0xF0 22 /* Mask for parallel port DMA bits (in ISA PnP 23 #define VIA_DMACONTROL_PARALLEL 0x0C 24
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