eisavar.h revision 1.26
1 /* $NetBSD: eisavar.h,v 1.26 2025/10/19 20:34:04 thorpej 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 int eisabusprint(void *, const char *); 106 107 static inline device_t 108 eisabus_attach(device_t dev, struct eisabus_attach_args *iba) 109 { 110 return config_found(dev, &iba, eisabusprint, 111 CFARGS(.iattr = "eisabus", 112 .devhandle = device_handle(dev))); 113 } 114 115 /* 116 * EISA device attach arguments. 117 */ 118 struct eisa_attach_args { 119 bus_space_tag_t ea_iot; /* eisa i/o space tag */ 120 bus_space_tag_t ea_memt; /* eisa mem space tag */ 121 bus_dma_tag_t ea_dmat; /* DMA tag */ 122 eisa_chipset_tag_t ea_ec; 123 124 eisa_slot_t ea_slot; 125 u_int8_t ea_vid[EISA_NVIDREGS]; 126 u_int8_t ea_pid[EISA_NPIDREGS]; 127 char ea_idstring[EISA_IDSTRINGLEN]; 128 }; 129 130 /* 131 * EISA Configuration entries, set up by an EISA Configuration Utility. 132 */ 133 134 struct eisa_cfg_mem { 135 bus_addr_t ecm_addr; 136 bus_size_t ecm_size; 137 int ecm_isram; 138 int ecm_decode; 139 int ecm_unitsize; 140 }; 141 142 struct eisa_cfg_irq { 143 int eci_irq; 144 int eci_ist; 145 int eci_shared; 146 }; 147 148 struct eisa_cfg_dma { 149 int ecd_drq; 150 int ecd_shared; 151 int ecd_size; 152 #define ECD_SIZE_8BIT 0 153 #define ECD_SIZE_16BIT 1 154 #define ECD_SIZE_32BIT 2 155 #define ECD_SIZE_RESERVED 3 156 int ecd_timing; 157 #define ECD_TIMING_ISA 0 158 #define ECD_TIMING_TYPEA 1 159 #define ECD_TIMING_TYPEB 2 160 #define ECD_TIMING_TYPEC 3 161 }; 162 163 struct eisa_cfg_io { 164 bus_addr_t ecio_addr; 165 bus_size_t ecio_size; 166 int ecio_shared; 167 }; 168 169 #ifdef _KERNEL 170 int eisa_compatible_match(const struct eisa_attach_args *, 171 const struct device_compatible_entry *); 172 const struct device_compatible_entry * 173 eisa_compatible_lookup(const struct eisa_attach_args *, 174 const struct device_compatible_entry *); 175 #endif /* _KERNEL */ 176 177 #endif /* _DEV_EISA_EISAVAR_H_ */ 178
Indexes created Thu Oct 23 22:10:10 GMT 2025