isavar.h revision 83051
184865Sobrien/*- 289857Sobrien * Copyright (c) 1998 Doug Rabson 384865Sobrien * All rights reserved. 484865Sobrien * 584865Sobrien * Redistribution and use in source and binary forms, with or without 684865Sobrien * modification, are permitted provided that the following conditions 784865Sobrien * are met: 884865Sobrien * 1. Redistributions of source code must retain the above copyright 984865Sobrien * notice, this list of conditions and the following disclaimer. 1084865Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1184865Sobrien * notice, this list of conditions and the following disclaimer in the 1284865Sobrien * documentation and/or other materials provided with the distribution. 1384865Sobrien * 1484865Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1584865Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1684865Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1784865Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1884865Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1984865Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2084865Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2184865Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22104834Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23104834Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2484865Sobrien * SUCH DAMAGE. 2584865Sobrien * 2684865Sobrien * $FreeBSD: head/sys/isa/isavar.h 83051 2001-09-05 03:54:33Z yokota $ 2784865Sobrien */ 2884865Sobrien 2984865Sobrien#ifndef _ISA_ISAVAR_H_ 3089857Sobrien#define _ISA_ISAVAR_H_ 3184865Sobrien 3284865Sobrienstruct isa_config; 3389857Sobrienstruct isa_pnp_id; 3484865Sobrientypedef void isa_config_cb(void *arg, struct isa_config *config, int enable); 3584865Sobrien 36130561Sobrien#include "isa_if.h" 37130561Sobrien#include <isa/pnpvar.h> 38130561Sobrien 39130561Sobrien#ifdef _KERNEL 40130561Sobrien 41130561Sobrien/* 42130561Sobrien * ISA devices are partially ordered to ensure that devices which are 43130561Sobrien * sensitive to other driver probe routines are probed first. Plug and 44130561Sobrien * Play devices are added after devices with speculative probes so that 45130561Sobrien * the legacy hardware can claim resources allowing the Plug and Play 46130561Sobrien * hardware to choose different resources. 47130561Sobrien */ 48130561Sobrien#define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */ 49130561Sobrien#define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */ 50130561Sobrien#define ISA_ORDER_PNP 2 /* plug-and-play hardware */ 51130561Sobrien 52130561Sobrien/* 53130561Sobrien * Limits on resources that we can manage 54130561Sobrien */ 55130561Sobrien#define ISA_NPORT 50 56130561Sobrien#define ISA_NMEM 50 5784865Sobrien#define ISA_NIRQ 50 5884865Sobrien#define ISA_NDRQ 50 5984865Sobrien 6084865Sobrien/* 6184865Sobrien * Limits on resources the hardware can actually handle 6284865Sobrien */ 6384865Sobrien#define ISA_PNP_NPORT 8 6484865Sobrien#define ISA_PNP_NMEM 4 6584865Sobrien#define ISA_PNP_NIRQ 2 6684865Sobrien#define ISA_PNP_NDRQ 2 6784865Sobrien 6884865Sobrien#define ISADMA_READ 0x00100000 6984865Sobrien#define ISADMA_WRITE 0 7084865Sobrien#define ISADMA_RAW 0x00080000 7184865Sobrien/* 7284865Sobrien * Plug and play cards can support a range of resource 7384865Sobrien * configurations. This structure is used by the isapnp parser to 7484865Sobrien * inform the isa bus about the resource possibilities of the 7584865Sobrien * device. Each different alternative should be supplied by calling 7684865Sobrien * ISA_ADD_CONFIG(). 7784865Sobrien */ 7884865Sobrienstruct isa_range { 7984865Sobrien u_int32_t ir_start; 8084865Sobrien u_int32_t ir_end; 81130561Sobrien u_int32_t ir_size; 82130561Sobrien u_int32_t ir_align; 8384865Sobrien}; 8484865Sobrien 8584865Sobrienstruct isa_config { 8684865Sobrien struct isa_range ic_mem[ISA_NMEM]; 8784865Sobrien struct isa_range ic_port[ISA_NPORT]; 8884865Sobrien u_int32_t ic_irqmask[ISA_NIRQ]; 8984865Sobrien u_int32_t ic_drqmask[ISA_NDRQ]; 9084865Sobrien int ic_nmem; 9184865Sobrien int ic_nport; 9284865Sobrien int ic_nirq; 93130561Sobrien int ic_ndrq; 94130561Sobrien}; 95130561Sobrien 9684865Sobrien/* 9784865Sobrien * Used to build lists of IDs and description strings for PnP drivers. 9884865Sobrien */ 9984865Sobrienstruct isa_pnp_id { 10084865Sobrien u_int32_t ip_id; 10184865Sobrien const char *ip_desc; 10284865Sobrien}; 10384865Sobrien 10484865Sobrienenum isa_device_ivars { 10584865Sobrien ISA_IVAR_PORT, 10684865Sobrien ISA_IVAR_PORT_0 = ISA_IVAR_PORT, 10784865Sobrien ISA_IVAR_PORT_1, 10889857Sobrien ISA_IVAR_PORTSIZE, 10984865Sobrien ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE, 11084865Sobrien ISA_IVAR_PORTSIZE_1, 11184865Sobrien ISA_IVAR_MADDR, 11284865Sobrien ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR, 11384865Sobrien ISA_IVAR_MADDR_1, 11489857Sobrien ISA_IVAR_MSIZE, 115130561Sobrien ISA_IVAR_MSIZE_0 = ISA_IVAR_MSIZE, 116130561Sobrien ISA_IVAR_MSIZE_1, 117130561Sobrien ISA_IVAR_IRQ, 118130561Sobrien ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ, 11984865Sobrien ISA_IVAR_IRQ_1, 12084865Sobrien ISA_IVAR_DRQ, 12184865Sobrien ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ, 12284865Sobrien ISA_IVAR_DRQ_1, 12384865Sobrien ISA_IVAR_VENDORID, 124130561Sobrien ISA_IVAR_SERIAL, 125130561Sobrien ISA_IVAR_LOGICALID, 126130561Sobrien ISA_IVAR_COMPATID, 12784865Sobrien ISA_IVAR_CONFIGATTR 12889857Sobrien}; 12984865Sobrien 130130561Sobrien/* 13184865Sobrien * ISA_IVAR_CONFIGATTR bits 13284865Sobrien */ 13384865Sobrien#define ISACFGATTR_CANDISABLE (1 << 0) /* can be disabled */ 13484865Sobrien#define ISACFGATTR_DYNAMIC (1 << 1) /* dynamic configuration */ 135130561Sobrien#define ISACFGATTR_MULTI (1 << 2) /* multiple configurations */ 136130561Sobrien 13789857Sobrien/* 13884865Sobrien * Simplified accessors for isa devices 13989857Sobrien */ 14084865Sobrien#define ISA_ACCESSOR(A, B, T) \ 141130561Sobrien \ 14289857Sobrienstatic __inline T isa_get_ ## A(device_t dev) \ 14384865Sobrien{ \ 14484865Sobrien uintptr_t v; \ 14584865Sobrien BUS_READ_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, &v); \ 14684865Sobrien return (T) v; \ 14784865Sobrien} \ 14884865Sobrien \ 149130561Sobrienstatic __inline void isa_set_ ## A(device_t dev, T t) \ 15084865Sobrien{ \ 15184865Sobrien u_long v = (u_long) t; \ 15284865Sobrien BUS_WRITE_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, v); \ 15389857Sobrien} 154130561Sobrien 155130561SobrienISA_ACCESSOR(port, PORT, int) 15684865SobrienISA_ACCESSOR(portsize, PORTSIZE, int) 157130561SobrienISA_ACCESSOR(irq, IRQ, int) 158130561SobrienISA_ACCESSOR(drq, DRQ, int) 159130561SobrienISA_ACCESSOR(maddr, MADDR, int) 160130561SobrienISA_ACCESSOR(msize, MSIZE, int) 16184865SobrienISA_ACCESSOR(vendorid, VENDORID, int) 16284865SobrienISA_ACCESSOR(serial, SERIAL, int) 16384865SobrienISA_ACCESSOR(logicalid, LOGICALID, int) 16484865SobrienISA_ACCESSOR(compatid, COMPATID, int) 16584865SobrienISA_ACCESSOR(configattr, CONFIGATTR, int) 16684865Sobrien 16784865Sobrienextern intrmask_t isa_irq_pending(void); 16884865Sobrienextern void isa_probe_children(device_t dev); 16984865Sobrien 17084865Sobrienextern void isa_dmacascade __P((int chan)); 17184865Sobrienextern void isa_dmadone __P((int flags, caddr_t addr, int nbytes, int chan)); 17284865Sobrienextern void isa_dmainit __P((int chan, u_int bouncebufsize)); 17384865Sobrienextern void isa_dmastart __P((int flags, caddr_t addr, u_int nbytes, int chan)); 17484865Sobrienextern int isa_dma_acquire __P((int chan)); 17584865Sobrienextern void isa_dma_release __P((int chan)); 17684865Sobrienextern int isa_dmastatus __P((int chan)); 17784865Sobrienextern int isa_dmastop __P((int chan)); 17884865Sobrien 17984865Sobrien#ifdef PC98 18084865Sobrien#include <machine/bus.h> 18184865Sobrien 18284865Sobrien/* 18384865Sobrien * Allocate discontinuous resources for ISA bus. 18484865Sobrien */ 18584865Sobrienstruct resource * 18684865Sobrienisa_alloc_resourcev(device_t child, int type, int *rid, 18784865Sobrien bus_addr_t *res, bus_size_t count, u_int flags); 18884865Sobrienint 18984865Sobrienisa_load_resourcev(struct resource *re, bus_addr_t *res, bus_size_t count); 19084865Sobrien#endif 19184865Sobrien 19284865Sobrien#endif /* _KERNEL */ 19384865Sobrien 19484865Sobrien#endif /* !_ISA_ISAVAR_H_ */ 19584865Sobrien