isavar.h revision 117337
138136Sdfr/*- 238136Sdfr * Copyright (c) 1998 Doug Rabson 338136Sdfr * All rights reserved. 438136Sdfr * 538136Sdfr * Redistribution and use in source and binary forms, with or without 638136Sdfr * modification, are permitted provided that the following conditions 738136Sdfr * are met: 838136Sdfr * 1. Redistributions of source code must retain the above copyright 938136Sdfr * notice, this list of conditions and the following disclaimer. 1038136Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1138136Sdfr * notice, this list of conditions and the following disclaimer in the 1238136Sdfr * documentation and/or other materials provided with the distribution. 1338136Sdfr * 1438136Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1538136Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1638136Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1738136Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1838136Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1938136Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2038136Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2138136Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2238136Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2338136Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2438136Sdfr * SUCH DAMAGE. 2538136Sdfr * 2650477Speter * $FreeBSD: head/sys/isa/isavar.h 117337 2003-07-08 18:56:58Z jhb $ 2738136Sdfr */ 2838136Sdfr 2947613Sdfr#ifndef _ISA_ISAVAR_H_ 3047613Sdfr#define _ISA_ISAVAR_H_ 3147613Sdfr 3250769Sdfrstruct isa_config; 3350769Sdfrstruct isa_pnp_id; 3450769Sdfrtypedef void isa_config_cb(void *arg, struct isa_config *config, int enable); 3550769Sdfr 3647398Sdfr#include "isa_if.h" 3750769Sdfr#include <isa/pnpvar.h> 3847398Sdfr 3955206Speter#ifdef _KERNEL 4047613Sdfr 4147578Sdfr/* 4247578Sdfr * ISA devices are partially ordered to ensure that devices which are 4347578Sdfr * sensitive to other driver probe routines are probed first. Plug and 4447578Sdfr * Play devices are added after devices with speculative probes so that 4547578Sdfr * the legacy hardware can claim resources allowing the Plug and Play 4647578Sdfr * hardware to choose different resources. 4747578Sdfr */ 4847578Sdfr#define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */ 4947578Sdfr#define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */ 5047578Sdfr#define ISA_ORDER_PNP 2 /* plug-and-play hardware */ 5147578Sdfr 5266840Smsmith/* 5366840Smsmith * Limits on resources that we can manage 5466840Smsmith */ 5557368Sgj#define ISA_NPORT 50 5666840Smsmith#define ISA_NMEM 50 5766840Smsmith#define ISA_NIRQ 50 5866840Smsmith#define ISA_NDRQ 50 5941181Sdfr 6066840Smsmith/* 6166840Smsmith * Limits on resources the hardware can actually handle 6266840Smsmith */ 6366840Smsmith#define ISA_PNP_NPORT 8 6466840Smsmith#define ISA_PNP_NMEM 4 6566840Smsmith#define ISA_PNP_NIRQ 2 6666840Smsmith#define ISA_PNP_NDRQ 2 6766840Smsmith 6857973Sphk#define ISADMA_READ 0x00100000 6957973Sphk#define ISADMA_WRITE 0 7057973Sphk#define ISADMA_RAW 0x00080000 7150769Sdfr/* 7250769Sdfr * Plug and play cards can support a range of resource 7350769Sdfr * configurations. This structure is used by the isapnp parser to 7450769Sdfr * inform the isa bus about the resource possibilities of the 7550769Sdfr * device. Each different alternative should be supplied by calling 7650769Sdfr * ISA_ADD_CONFIG(). 7750769Sdfr */ 7850769Sdfrstruct isa_range { 7950769Sdfr u_int32_t ir_start; 8050769Sdfr u_int32_t ir_end; 8150769Sdfr u_int32_t ir_size; 8250769Sdfr u_int32_t ir_align; 8350769Sdfr}; 8450769Sdfr 8550769Sdfrstruct isa_config { 8650769Sdfr struct isa_range ic_mem[ISA_NMEM]; 8750769Sdfr struct isa_range ic_port[ISA_NPORT]; 8850769Sdfr u_int32_t ic_irqmask[ISA_NIRQ]; 8950769Sdfr u_int32_t ic_drqmask[ISA_NDRQ]; 9050769Sdfr int ic_nmem; 9150769Sdfr int ic_nport; 9250769Sdfr int ic_nirq; 9350769Sdfr int ic_ndrq; 9450769Sdfr}; 9550769Sdfr 9650769Sdfr/* 9750769Sdfr * Used to build lists of IDs and description strings for PnP drivers. 9850769Sdfr */ 9950769Sdfrstruct isa_pnp_id { 10050769Sdfr u_int32_t ip_id; 10150769Sdfr const char *ip_desc; 10250769Sdfr}; 10350769Sdfr 10438136Sdfrenum isa_device_ivars { 10541181Sdfr ISA_IVAR_PORT, 10641181Sdfr ISA_IVAR_PORT_0 = ISA_IVAR_PORT, 10741181Sdfr ISA_IVAR_PORT_1, 10841181Sdfr ISA_IVAR_PORTSIZE, 10941181Sdfr ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE, 11041181Sdfr ISA_IVAR_PORTSIZE_1, 11141181Sdfr ISA_IVAR_MADDR, 11241181Sdfr ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR, 11341181Sdfr ISA_IVAR_MADDR_1, 114105139Sjhb ISA_IVAR_MEMSIZE, 115105139Sjhb ISA_IVAR_MEMSIZE_0 = ISA_IVAR_MEMSIZE, 116105139Sjhb ISA_IVAR_MEMSIZE_1, 11741181Sdfr ISA_IVAR_IRQ, 11841181Sdfr ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ, 11941181Sdfr ISA_IVAR_IRQ_1, 12041181Sdfr ISA_IVAR_DRQ, 12141181Sdfr ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ, 12247613Sdfr ISA_IVAR_DRQ_1, 12347613Sdfr ISA_IVAR_VENDORID, 12447613Sdfr ISA_IVAR_SERIAL, 12547613Sdfr ISA_IVAR_LOGICALID, 12682863Syokota ISA_IVAR_COMPATID, 12782863Syokota ISA_IVAR_CONFIGATTR 12838136Sdfr}; 12938136Sdfr 13038136Sdfr/* 13183051Syokota * ISA_IVAR_CONFIGATTR bits 13283051Syokota */ 13383051Syokota#define ISACFGATTR_CANDISABLE (1 << 0) /* can be disabled */ 13483051Syokota#define ISACFGATTR_DYNAMIC (1 << 1) /* dynamic configuration */ 13583051Syokota#define ISACFGATTR_MULTI (1 << 2) /* multiple configurations */ 13683051Syokota 13783051Syokota/* 13838136Sdfr * Simplified accessors for isa devices 13938136Sdfr */ 140105139Sjhb#define ISA_ACCESSOR(var, ivar, type) \ 141105139Sjhb __BUS_ACCESSOR(isa, var, ISA, ivar, type) 14238136Sdfr 14338136SdfrISA_ACCESSOR(port, PORT, int) 14438136SdfrISA_ACCESSOR(portsize, PORTSIZE, int) 14538136SdfrISA_ACCESSOR(irq, IRQ, int) 14645720SpeterISA_ACCESSOR(drq, DRQ, int) 14745720SpeterISA_ACCESSOR(maddr, MADDR, int) 148105139SjhbISA_ACCESSOR(msize, MEMSIZE, int) 14947613SdfrISA_ACCESSOR(vendorid, VENDORID, int) 15047613SdfrISA_ACCESSOR(serial, SERIAL, int) 15147613SdfrISA_ACCESSOR(logicalid, LOGICALID, int) 15247613SdfrISA_ACCESSOR(compatid, COMPATID, int) 15382863SyokotaISA_ACCESSOR(configattr, CONFIGATTR, int) 15447613Sdfr 155117337Sjhb/* Device class for ISA bridges. */ 156117337Sjhbextern devclass_t isab_devclass; 157117337Sjhb 15850769Sdfrextern intrmask_t isa_irq_pending(void); 15950769Sdfrextern void isa_probe_children(device_t dev); 16047613Sdfr 16192756Salfredextern void isa_dmacascade(int chan); 16292756Salfredextern void isa_dmadone(int flags, caddr_t addr, int nbytes, int chan); 16392756Salfredextern void isa_dmainit(int chan, u_int bouncebufsize); 16492756Salfredextern void isa_dmastart(int flags, caddr_t addr, u_int nbytes, int chan); 16592756Salfredextern int isa_dma_acquire(int chan); 16692756Salfredextern void isa_dma_release(int chan); 16792756Salfredextern int isa_dmastatus(int chan); 16892756Salfredextern int isa_dmastop(int chan); 16950769Sdfr 170117337Sjhbint isab_attach(device_t dev); 171117337Sjhb 17267442Snyan#ifdef PC98 17367442Snyan#include <machine/bus.h> 17467442Snyan 17567442Snyan/* 17667442Snyan * Allocate discontinuous resources for ISA bus. 17767442Snyan */ 17867442Snyanstruct resource * 17967442Snyanisa_alloc_resourcev(device_t child, int type, int *rid, 18067442Snyan bus_addr_t *res, bus_size_t count, u_int flags); 18167442Snyanint 18267442Snyanisa_load_resourcev(struct resource *re, bus_addr_t *res, bus_size_t count); 18367442Snyan#endif 18467442Snyan 18555206Speter#endif /* _KERNEL */ 18647613Sdfr 18747613Sdfr#endif /* !_ISA_ISAVAR_H_ */ 188