[mirror_ubuntu-bionic-kernel.git] / include / linux / via.h

/* 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
Commit	Line	Data
1da177e4 LT	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