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ppbus_var.h revision 1.3.4.5 
      1  1.3.4.5  skrll /* $NetBSD: ppbus_var.h,v 1.3.4.5 2005/03/04 16:49:52 skrll Exp $ */
      2  1.3.4.2  skrll 
      3  1.3.4.2  skrll #ifndef __PPBUS_VAR_H
      4  1.3.4.2  skrll #define __PPBUS_VAR_H
      5  1.3.4.2  skrll 
      6  1.3.4.2  skrll /* PPBUS mode masks. */
      7  1.3.4.2  skrll #define PPBUS_COMPATIBLE	0x01	/* Centronics compatible mode */
      8  1.3.4.2  skrll #define PPBUS_NIBBLE		0x02	/* reverse 4 bit mode */
      9  1.3.4.2  skrll #define PPBUS_PS2		0x04	/* PS/2 byte mode */
     10  1.3.4.2  skrll #define PPBUS_EPP		0x08	/* EPP mode, 32 bit */
     11  1.3.4.2  skrll #define PPBUS_ECP		0x10	/* ECP mode */
     12  1.3.4.2  skrll #define PPBUS_FAST		0x20	/* Fast Centronics mode */
     13  1.3.4.2  skrll /* mode aliases */
     14  1.3.4.2  skrll #define PPBUS_SPP		PPBUS_NIBBLE | PPBUS_PS2 /* Won't work! */
     15  1.3.4.2  skrll #define PPBUS_BYTE		PPBUS_PS2
     16  1.3.4.2  skrll #define PPBUS_MASK		0x3f
     17  1.3.4.2  skrll #define PPBUS_OPTIONS_MASK	0xc0
     18  1.3.4.2  skrll /* Useful macros for this field */
     19  1.3.4.2  skrll #define PPBUS_IS_EPP(mode) ((mode) & PPBUS_EPP)
     20  1.3.4.2  skrll #define PPBUS_IN_EPP_MODE(bus) (PPBUS_IS_EPP(ppbus_get_mode(bus)))
     21  1.3.4.2  skrll #define PPBUS_IN_NIBBLE_MODE(bus) (ppbus_get_mode(bus) & PPBUS_NIBBLE)
     22  1.3.4.2  skrll #define PPBUS_IN_PS2_MODE(bus) (ppbus_get_mode(bus) & PPBUS_PS2)
     23  1.3.4.2  skrll 
     24  1.3.4.2  skrll /* PPBUS capabilities */
     25  1.3.4.2  skrll #define PPBUS_HAS_INTR		0x01	/* Interrupt available */
     26  1.3.4.2  skrll #define PPBUS_HAS_DMA		0x02	/* DMA available */
     27  1.3.4.2  skrll #define PPBUS_HAS_FIFO		0x04	/* FIFO available */
     28  1.3.4.2  skrll #define PPBUS_HAS_PS2		0x08	/* PS2 mode capable */
     29  1.3.4.2  skrll #define PPBUS_HAS_ECP		0x10	/* ECP mode available */
     30  1.3.4.2  skrll #define PPBUS_HAS_EPP		0x20	/* EPP mode available */
     31  1.3.4.2  skrll 
     32  1.3.4.2  skrll /* IEEE flag in soft config */
     33  1.3.4.2  skrll #define PPBUS_DISABLE_IEEE	0x00
     34  1.3.4.2  skrll #define PPBUS_ENABLE_IEEE	0x01
     35  1.3.4.2  skrll 
     36  1.3.4.2  skrll /* List of IVARS available to ppbus device drivers */
     37  1.3.4.2  skrll /* #define PPBUS_IVAR_MODE 0 */
     38  1.3.4.5  skrll #define PPBUS_IVAR_DMA		1
     39  1.3.4.5  skrll #define PPBUS_IVAR_INTR		2
     40  1.3.4.2  skrll #define PPBUS_IVAR_EPP_PROTO    3
     41  1.3.4.2  skrll #define PPBUS_IVAR_IEEE		4
     42  1.3.4.2  skrll /* Needed by callback's implemented using callout */
     43  1.3.4.5  skrll #define PPBUS_IVAR_IRQSTAT	5
     44  1.3.4.2  skrll #define PPBUS_IVAR_DMASTAT	6
     45  1.3.4.2  skrll /* other fields are reserved to the ppbus internals */
     46  1.3.4.2  skrll 
     47  1.3.4.2  skrll /* EPP protocol versions */
     48  1.3.4.2  skrll #define PPBUS_EPP_1_9           0x0                     /* default */
     49  1.3.4.2  skrll #define PPBUS_EPP_1_7           0x1
     50  1.3.4.2  skrll 
     51  1.3.4.2  skrll /* Parallel Port Bus sleep/wakeup queue. */
     52  1.3.4.2  skrll #define PPBUSPRI		(PZERO+8)
     53  1.3.4.2  skrll 
     54  1.3.4.2  skrll #endif /* __PPBUS_VAR_H */
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