Home | History | Annotate | Line # | Download | only in eisa
eisavar.h revision 1.16 
      1 /*	$NetBSD: eisavar.h,v 1.16 2000/08/11 00:43:19 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995, 1996 Christopher G. Demetriou
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Christopher G. Demetriou
     18  *      for the NetBSD Project.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _DEV_EISA_EISAVAR_H_
     35 #define	_DEV_EISA_EISAVAR_H_
     36 
     37 /*
     38  * Definitions for EISA autoconfiguration.
     39  *
     40  * This file describes types and functions which are used for EISA
     41  * configuration.  Some of this information is machine-specific, and is
     42  * separated into eisa_machdep.h.
     43  */
     44 
     45 struct eisa_cfg_mem;
     46 struct eisa_cfg_irq;
     47 struct eisa_cfg_dma;
     48 struct eisa_cfg_io;
     49 
     50 #include <machine/bus.h>
     51 #include <dev/eisa/eisareg.h>		/* For ID register & string info. */
     52 
     53 /*
     54  * Structures and definitions needed by the machine-dependent header.
     55  */
     56 struct eisabus_attach_args;
     57 
     58 /*
     59  * Machine-dependent definitions.
     60  */
     61 #include <machine/eisa_machdep.h>
     62 
     63 typedef int	eisa_slot_t;		/* really only needs to be 4 bits */
     64 
     65 /*
     66  * EISA bus attach arguments.
     67  */
     68 struct eisabus_attach_args {
     69 	const char *eba_busname;	/* XXX should be common */
     70 	bus_space_tag_t eba_iot;	/* eisa i/o space tag */
     71 	bus_space_tag_t eba_memt;	/* eisa mem space tag */
     72 	bus_dma_tag_t eba_dmat;		/* DMA tag */
     73 	eisa_chipset_tag_t eba_ec;
     74 };
     75 
     76 /*
     77  * EISA device attach arguments.
     78  */
     79 struct eisa_attach_args {
     80 	bus_space_tag_t ea_iot;		/* eisa i/o space tag */
     81 	bus_space_tag_t ea_memt;	/* eisa mem space tag */
     82 	bus_dma_tag_t ea_dmat;		/* DMA tag */
     83 	eisa_chipset_tag_t ea_ec;
     84 
     85 	eisa_slot_t	ea_slot;
     86 	u_int8_t	ea_vid[EISA_NVIDREGS];
     87 	u_int8_t	ea_pid[EISA_NPIDREGS];
     88 	char		ea_idstring[EISA_IDSTRINGLEN];
     89 };
     90 
     91 #include "locators.h"
     92 
     93 /*
     94  * Locators for EISA devices, as specified to config.
     95  */
     96 #define	eisacf_slot		cf_loc[EISACF_SLOT]
     97 #define	EISA_UNKNOWN_SLOT	EISACF_SLOT_DEFAULT	/* wildcarded 'slot' */
     98 
     99 /*
    100  * EISA Configuration entries, set up by an EISA Configuration Utility.
    101  */
    102 
    103 struct eisa_cfg_mem {
    104 	bus_addr_t ecm_addr;
    105 	bus_size_t ecm_size;
    106 	int ecm_isram;
    107 	int ecm_decode;
    108 	int ecm_unitsize;
    109 };
    110 
    111 struct eisa_cfg_irq {
    112 	int eci_irq;
    113 	int eci_ist;
    114 	int eci_shared;
    115 };
    116 
    117 struct eisa_cfg_dma {
    118 	int ecd_drq;
    119 	int ecd_shared;
    120 	int ecd_size;
    121 #define	ECD_SIZE_8BIT		0
    122 #define	ECD_SIZE_16BIT		1
    123 #define	ECD_SIZE_32BIT		2
    124 #define	ECD_SIZE_RESERVED	3
    125 	int ecd_timing;
    126 #define	ECD_TIMING_ISA		0
    127 #define	ECD_TIMING_TYPEA	1
    128 #define	ECD_TIMING_TYPEB	2
    129 #define	ECD_TIMING_TYPEC	3
    130 };
    131 
    132 struct eisa_cfg_io {
    133 	bus_addr_t ecio_addr;
    134 	bus_size_t ecio_size;
    135 	int ecio_shared;
    136 };
    137 
    138 #endif /* _DEV_EISA_EISAVAR_H_ */
    139