isavar.h revision 117337
1232809Sjmallett/*- 2232809Sjmallett * Copyright (c) 1998 Doug Rabson 3232809Sjmallett * All rights reserved. 4232809Sjmallett * 5232809Sjmallett * Redistribution and use in source and binary forms, with or without 6232809Sjmallett * modification, are permitted provided that the following conditions 7232809Sjmallett * are met: 8232809Sjmallett * 1. Redistributions of source code must retain the above copyright 9232809Sjmallett * notice, this list of conditions and the following disclaimer. 10232809Sjmallett * 2. Redistributions in binary form must reproduce the above copyright 11232809Sjmallett * notice, this list of conditions and the following disclaimer in the 12232809Sjmallett * documentation and/or other materials provided with the distribution. 13232809Sjmallett * 14232809Sjmallett * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15232809Sjmallett * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16232809Sjmallett * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17232809Sjmallett * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18232809Sjmallett * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19232809Sjmallett * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20232809Sjmallett * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21232809Sjmallett * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22232809Sjmallett * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23232809Sjmallett * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24232809Sjmallett * SUCH DAMAGE. 25232809Sjmallett * 26232809Sjmallett * $FreeBSD: head/sys/isa/isavar.h 117337 2003-07-08 18:56:58Z jhb $ 27232809Sjmallett */ 28232809Sjmallett 29232809Sjmallett#ifndef _ISA_ISAVAR_H_ 30232809Sjmallett#define _ISA_ISAVAR_H_ 31232809Sjmallett 32232809Sjmallettstruct isa_config; 33232809Sjmallettstruct isa_pnp_id; 34232809Sjmalletttypedef void isa_config_cb(void *arg, struct isa_config *config, int enable); 35232809Sjmallett 36232809Sjmallett#include "isa_if.h" 37232809Sjmallett#include <isa/pnpvar.h> 38232809Sjmallett 39232809Sjmallett#ifdef _KERNEL 40232809Sjmallett 41232809Sjmallett/* 42232809Sjmallett * ISA devices are partially ordered to ensure that devices which are 43232809Sjmallett * sensitive to other driver probe routines are probed first. Plug and 44232809Sjmallett * Play devices are added after devices with speculative probes so that 45232809Sjmallett * the legacy hardware can claim resources allowing the Plug and Play 46232809Sjmallett * hardware to choose different resources. 47232809Sjmallett */ 48232809Sjmallett#define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */ 49232809Sjmallett#define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */ 50232809Sjmallett#define ISA_ORDER_PNP 2 /* plug-and-play hardware */ 51232809Sjmallett 52232809Sjmallett/* 53232809Sjmallett * Limits on resources that we can manage 54232809Sjmallett */ 55232809Sjmallett#define ISA_NPORT 50 56232809Sjmallett#define ISA_NMEM 50 57232809Sjmallett#define ISA_NIRQ 50 58232809Sjmallett#define ISA_NDRQ 50 59232809Sjmallett 60232809Sjmallett/* 61232809Sjmallett * Limits on resources the hardware can actually handle 62232809Sjmallett */ 63232809Sjmallett#define ISA_PNP_NPORT 8 64232809Sjmallett#define ISA_PNP_NMEM 4 65232809Sjmallett#define ISA_PNP_NIRQ 2 66232809Sjmallett#define ISA_PNP_NDRQ 2 67232809Sjmallett 68232809Sjmallett#define ISADMA_READ 0x00100000 69232809Sjmallett#define ISADMA_WRITE 0 70232809Sjmallett#define ISADMA_RAW 0x00080000 71232809Sjmallett/* 72232809Sjmallett * Plug and play cards can support a range of resource 73232809Sjmallett * configurations. This structure is used by the isapnp parser to 74232809Sjmallett * inform the isa bus about the resource possibilities of the 75232809Sjmallett * device. Each different alternative should be supplied by calling 76232809Sjmallett * ISA_ADD_CONFIG(). 77232809Sjmallett */ 78232809Sjmallettstruct isa_range { 79232809Sjmallett u_int32_t ir_start; 80232809Sjmallett u_int32_t ir_end; 81232809Sjmallett u_int32_t ir_size; 82232809Sjmallett u_int32_t ir_align; 83232809Sjmallett}; 84232809Sjmallett 85232809Sjmallettstruct isa_config { 86232809Sjmallett struct isa_range ic_mem[ISA_NMEM]; 87232809Sjmallett struct isa_range ic_port[ISA_NPORT]; 88232809Sjmallett u_int32_t ic_irqmask[ISA_NIRQ]; 89232809Sjmallett u_int32_t ic_drqmask[ISA_NDRQ]; 90232809Sjmallett int ic_nmem; 91232809Sjmallett int ic_nport; 92232809Sjmallett int ic_nirq; 93232809Sjmallett int ic_ndrq; 94232809Sjmallett}; 95232809Sjmallett 96232809Sjmallett/* 97232809Sjmallett * Used to build lists of IDs and description strings for PnP drivers. 98232809Sjmallett */ 99232809Sjmallettstruct isa_pnp_id { 100232809Sjmallett u_int32_t ip_id; 101232809Sjmallett const char *ip_desc; 102232809Sjmallett}; 103232809Sjmallett 104enum isa_device_ivars { 105 ISA_IVAR_PORT, 106 ISA_IVAR_PORT_0 = ISA_IVAR_PORT, 107 ISA_IVAR_PORT_1, 108 ISA_IVAR_PORTSIZE, 109 ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE, 110 ISA_IVAR_PORTSIZE_1, 111 ISA_IVAR_MADDR, 112 ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR, 113 ISA_IVAR_MADDR_1, 114 ISA_IVAR_MEMSIZE, 115 ISA_IVAR_MEMSIZE_0 = ISA_IVAR_MEMSIZE, 116 ISA_IVAR_MEMSIZE_1, 117 ISA_IVAR_IRQ, 118 ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ, 119 ISA_IVAR_IRQ_1, 120 ISA_IVAR_DRQ, 121 ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ, 122 ISA_IVAR_DRQ_1, 123 ISA_IVAR_VENDORID, 124 ISA_IVAR_SERIAL, 125 ISA_IVAR_LOGICALID, 126 ISA_IVAR_COMPATID, 127 ISA_IVAR_CONFIGATTR 128}; 129 130/* 131 * ISA_IVAR_CONFIGATTR bits 132 */ 133#define ISACFGATTR_CANDISABLE (1 << 0) /* can be disabled */ 134#define ISACFGATTR_DYNAMIC (1 << 1) /* dynamic configuration */ 135#define ISACFGATTR_MULTI (1 << 2) /* multiple configurations */ 136 137/* 138 * Simplified accessors for isa devices 139 */ 140#define ISA_ACCESSOR(var, ivar, type) \ 141 __BUS_ACCESSOR(isa, var, ISA, ivar, type) 142 143ISA_ACCESSOR(port, PORT, int) 144ISA_ACCESSOR(portsize, PORTSIZE, int) 145ISA_ACCESSOR(irq, IRQ, int) 146ISA_ACCESSOR(drq, DRQ, int) 147ISA_ACCESSOR(maddr, MADDR, int) 148ISA_ACCESSOR(msize, MEMSIZE, int) 149ISA_ACCESSOR(vendorid, VENDORID, int) 150ISA_ACCESSOR(serial, SERIAL, int) 151ISA_ACCESSOR(logicalid, LOGICALID, int) 152ISA_ACCESSOR(compatid, COMPATID, int) 153ISA_ACCESSOR(configattr, CONFIGATTR, int) 154 155/* Device class for ISA bridges. */ 156extern devclass_t isab_devclass; 157 158extern intrmask_t isa_irq_pending(void); 159extern void isa_probe_children(device_t dev); 160 161extern void isa_dmacascade(int chan); 162extern void isa_dmadone(int flags, caddr_t addr, int nbytes, int chan); 163extern void isa_dmainit(int chan, u_int bouncebufsize); 164extern void isa_dmastart(int flags, caddr_t addr, u_int nbytes, int chan); 165extern int isa_dma_acquire(int chan); 166extern void isa_dma_release(int chan); 167extern int isa_dmastatus(int chan); 168extern int isa_dmastop(int chan); 169 170int isab_attach(device_t dev); 171 172#ifdef PC98 173#include <machine/bus.h> 174 175/* 176 * Allocate discontinuous resources for ISA bus. 177 */ 178struct resource * 179isa_alloc_resourcev(device_t child, int type, int *rid, 180 bus_addr_t *res, bus_size_t count, u_int flags); 181int 182isa_load_resourcev(struct resource *re, bus_addr_t *res, bus_size_t count); 183#endif 184 185#endif /* _KERNEL */ 186 187#endif /* !_ISA_ISAVAR_H_ */ 188