sys/dev/eisa/eisavar.h

   1 /*      $NetBSD: eisavar.h,v 1.23 2007/10/19 11:59:41 ad Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Copyright (c) 1995, 1996 Christopher G. Demetriou
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  * 3. All advertising materials mentioning features or use of this software
  45  *    must display the following acknowledgement:
  46  *      This product includes software developed by Christopher G. Demetriou
  47  *      for the NetBSD Project.
  48  * 4. The name of the author may not be used to endorse or promote products
  49  *    derived from this software without specific prior written permission
  50  *
  51  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  52  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  53  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  54  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  55  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  56  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  60  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  61  */
  62
  63 #ifndef _DEV_EISA_EISAVAR_H_
  64 #define _DEV_EISA_EISAVAR_H_
  65
  66 /*
  67  * Definitions for EISA autoconfiguration.
  68  *
  69  * This file describes types and functions which are used for EISA
  70  * configuration.  Some of this information is machine-specific, and is
  71  * separated into eisa_machdep.h.
  72  */
  73
  74 struct eisa_cfg_mem;
  75 struct eisa_cfg_irq;
  76 struct eisa_cfg_dma;
  77 struct eisa_cfg_io;
  78
  79 #include <sys/bus.h>
  80 #include <dev/eisa/eisareg.h>           /* For ID register & string info. */
  81
  82 /*
  83  * Structures and definitions needed by the machine-dependent header.
  84  */
  85 struct eisabus_attach_args;
  86
  87 /*
  88  * Machine-dependent definitions.
  89  */
  90 #include <machine/eisa_machdep.h>
  91
  92 typedef int     eisa_slot_t;            /* really only needs to be 4 bits */
  93
  94 /*
  95  * EISA bus attach arguments.
  96  */
  97 struct eisabus_attach_args {
  98         const char *_eba_busname;       /* XXX placeholder */
  99         bus_space_tag_t eba_iot;        /* eisa i/o space tag */
 100         bus_space_tag_t eba_memt;       /* eisa mem space tag */
 101         bus_dma_tag_t eba_dmat;         /* DMA tag */
 102         eisa_chipset_tag_t eba_ec;
 103 };
 104
 105 /*
 106  * EISA device attach arguments.
 107  */
 108 struct eisa_attach_args {
 109         bus_space_tag_t ea_iot;         /* eisa i/o space tag */
 110         bus_space_tag_t ea_memt;        /* eisa mem space tag */
 111         bus_dma_tag_t ea_dmat;          /* DMA tag */
 112         eisa_chipset_tag_t ea_ec;
 113
 114         eisa_slot_t     ea_slot;
 115         u_int8_t        ea_vid[EISA_NVIDREGS];
 116         u_int8_t        ea_pid[EISA_NPIDREGS];
 117         char            ea_idstring[EISA_IDSTRINGLEN];
 118 };
 119
 120 int     eisabusprint(void *, const char *);
 121
 122 /*
 123  * EISA Configuration entries, set up by an EISA Configuration Utility.
 124  */
 125
 126 struct eisa_cfg_mem {
 127         bus_addr_t ecm_addr;
 128         bus_size_t ecm_size;
 129         int ecm_isram;
 130         int ecm_decode;
 131         int ecm_unitsize;
 132 };
 133
 134 struct eisa_cfg_irq {
 135         int eci_irq;
 136         int eci_ist;
 137         int eci_shared;
 138 };
 139
 140 struct eisa_cfg_dma {
 141         int ecd_drq;
 142         int ecd_shared;
 143         int ecd_size;
 144 #define ECD_SIZE_8BIT           0
 145 #define ECD_SIZE_16BIT          1
 146 #define ECD_SIZE_32BIT          2
 147 #define ECD_SIZE_RESERVED       3
 148         int ecd_timing;
 149 #define ECD_TIMING_ISA          0
 150 #define ECD_TIMING_TYPEA        1
 151 #define ECD_TIMING_TYPEB        2
 152 #define ECD_TIMING_TYPEC        3
 153 };
 154
 155 struct eisa_cfg_io {
 156         bus_addr_t ecio_addr;
 157         bus_size_t ecio_size;
 158         int ecio_shared;
 159 };
 160
 161 #endif /* _DEV_EISA_EISAVAR_H_ */