1 /*- 2 * Copyright (c) 1998 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/isa/isavar.h,v 1.16.2.2 2000/10/29 13:07:56 nyan Exp $ 27 * $DragonFly: src/sys/bus/isa/isavar.h,v 1.4 2003/08/27 11:42:34 rob Exp $ 28 */ 29 30 #ifndef _ISA_ISAVAR_H_ 31 #define _ISA_ISAVAR_H_ 32 33 struct isa_config; 34 struct isa_pnp_id; 35 typedef void isa_config_cb(void *arg, struct isa_config *config, int enable); 36 37 #include "isa_if.h" 38 #include "pnpvar.h" 39 40 #ifdef _KERNEL 41 42 /* 43 * ISA devices are partially ordered to ensure that devices which are 44 * sensitive to other driver probe routines are probed first. Plug and 45 * Play devices are added after devices with speculative probes so that 46 * the legacy hardware can claim resources allowing the Plug and Play 47 * hardware to choose different resources. 48 */ 49 #define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */ 50 #define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */ 51 #define ISA_ORDER_PNP 2 /* plug-and-play hardware */ 52 53 #define ISA_NPORT 50 54 #define ISA_NMEM 8 55 #define ISA_NIRQ 2 56 #define ISA_NDRQ 2 57 58 #define ISADMA_READ 0x00100000 59 #define ISADMA_WRITE 0 60 #define ISADMA_RAW 0x00080000 61 /* 62 * Plug and play cards can support a range of resource 63 * configurations. This structure is used by the isapnp parser to 64 * inform the isa bus about the resource possibilities of the 65 * device. Each different alternative should be supplied by calling 66 * ISA_ADD_CONFIG(). 67 */ 68 struct isa_range { 69 u_int32_t ir_start; 70 u_int32_t ir_end; 71 u_int32_t ir_size; 72 u_int32_t ir_align; 73 }; 74 75 struct isa_config { 76 struct isa_range ic_mem[ISA_NMEM]; 77 struct isa_range ic_port[ISA_NPORT]; 78 u_int32_t ic_irqmask[ISA_NIRQ]; 79 u_int32_t ic_drqmask[ISA_NDRQ]; 80 int ic_nmem; 81 int ic_nport; 82 int ic_nirq; 83 int ic_ndrq; 84 }; 85 86 /* 87 * Used to build lists of IDs and description strings for PnP drivers. 88 */ 89 struct isa_pnp_id { 90 u_int32_t ip_id; 91 const char *ip_desc; 92 }; 93 94 enum isa_device_ivars { 95 ISA_IVAR_PORT, 96 ISA_IVAR_PORT_0 = ISA_IVAR_PORT, 97 ISA_IVAR_PORT_1, 98 ISA_IVAR_PORTSIZE, 99 ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE, 100 ISA_IVAR_PORTSIZE_1, 101 ISA_IVAR_MADDR, 102 ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR, 103 ISA_IVAR_MADDR_1, 104 ISA_IVAR_MSIZE, 105 ISA_IVAR_MSIZE_0 = ISA_IVAR_MSIZE, 106 ISA_IVAR_MSIZE_1, 107 ISA_IVAR_IRQ, 108 ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ, 109 ISA_IVAR_IRQ_1, 110 ISA_IVAR_DRQ, 111 ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ, 112 ISA_IVAR_DRQ_1, 113 ISA_IVAR_VENDORID, 114 ISA_IVAR_SERIAL, 115 ISA_IVAR_LOGICALID, 116 ISA_IVAR_COMPATID 117 }; 118 119 /* 120 * Simplified accessors for isa devices 121 */ 122 #define ISA_ACCESSOR(A, B, T) \ 123 \ 124 static __inline T isa_get_ ## A(device_t dev) \ 125 { \ 126 uintptr_t v; \ 127 BUS_READ_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, &v); \ 128 return (T) v; \ 129 } \ 130 \ 131 static __inline void isa_set_ ## A(device_t dev, T t) \ 132 { \ 133 u_long v = (u_long) t; \ 134 BUS_WRITE_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, v); \ 135 } 136 137 ISA_ACCESSOR(port, PORT, int) 138 ISA_ACCESSOR(portsize, PORTSIZE, int) 139 ISA_ACCESSOR(irq, IRQ, int) 140 ISA_ACCESSOR(drq, DRQ, int) 141 ISA_ACCESSOR(maddr, MADDR, int) 142 ISA_ACCESSOR(msize, MSIZE, int) 143 ISA_ACCESSOR(vendorid, VENDORID, int) 144 ISA_ACCESSOR(serial, SERIAL, int) 145 ISA_ACCESSOR(logicalid, LOGICALID, int) 146 ISA_ACCESSOR(compatid, COMPATID, int) 147 148 extern intrmask_t isa_irq_pending(void); 149 extern intrmask_t isa_irq_mask(void); 150 #ifdef __i386__ 151 extern void isa_wrap_old_drivers(void); 152 #endif 153 extern void isa_probe_children(device_t dev); 154 155 extern void isa_dmacascade (int chan); 156 extern void isa_dmadone (int flags, caddr_t addr, int nbytes, int chan); 157 extern void isa_dmainit (int chan, u_int bouncebufsize); 158 extern void isa_dmastart (int flags, caddr_t addr, u_int nbytes, int chan); 159 extern int isa_dma_acquire (int chan); 160 extern void isa_dma_release (int chan); 161 extern int isa_dmastatus (int chan); 162 extern int isa_dmastop (int chan); 163 164 #ifdef PC98 165 #include <machine/bus.h> 166 167 /* 168 * Allocate discontinuous resources for ISA bus. 169 */ 170 struct resource * 171 isa_alloc_resourcev(device_t child, int type, int *rid, 172 bus_addr_t *res, bus_size_t count, u_int flags); 173 int 174 isa_load_resourcev(struct resource *re, bus_addr_t *res, bus_size_t count); 175 #endif 176 177 #endif /* _KERNEL */ 178 179 #endif /* !_ISA_ISAVAR_H_ */ 180