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 * $FreeBSD$ 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/* 42138506Simp * ISA devices are partially ordered. This is to ensure that hardwired 43138506Simp * devices the BIOS tells us are there appear first, then speculative 44138506Simp * devices that are sensitive to the probe order, then devices that 45138506Simp * are hinted to be there, then the most flexible devices which support 46138506Simp * the ISA bus PNP standard. 4747578Sdfr */ 48138506Simp#define ISA_ORDER_PNPBIOS 10 /* plug-and-play BIOS inflexible hardware */ 49138506Simp#define ISA_ORDER_SENSITIVE 20 /* legacy sensitive hardware */ 50138506Simp#define ISA_ORDER_SPECULATIVE 30 /* legacy non-sensitive hardware */ 51184564Simp#define ISA_ORDER_PNP 40 /* plug-and-play flexible hardware */ 5247578Sdfr 5366840Smsmith/* 5466840Smsmith * Limits on resources that we can manage 5566840Smsmith */ 5657368Sgj#define ISA_NPORT 50 5766840Smsmith#define ISA_NMEM 50 5866840Smsmith#define ISA_NIRQ 50 5966840Smsmith#define ISA_NDRQ 50 6041181Sdfr 6166840Smsmith/* 6266840Smsmith * Limits on resources the hardware can actually handle 6366840Smsmith */ 6466840Smsmith#define ISA_PNP_NPORT 8 6566840Smsmith#define ISA_PNP_NMEM 4 6666840Smsmith#define ISA_PNP_NIRQ 2 6766840Smsmith#define ISA_PNP_NDRQ 2 6866840Smsmith 6957973Sphk#define ISADMA_READ 0x00100000 7057973Sphk#define ISADMA_WRITE 0 7157973Sphk#define ISADMA_RAW 0x00080000 7250769Sdfr/* 7350769Sdfr * Plug and play cards can support a range of resource 7450769Sdfr * configurations. This structure is used by the isapnp parser to 7550769Sdfr * inform the isa bus about the resource possibilities of the 7650769Sdfr * device. Each different alternative should be supplied by calling 7750769Sdfr * ISA_ADD_CONFIG(). 7850769Sdfr */ 7950769Sdfrstruct isa_range { 8050769Sdfr u_int32_t ir_start; 8150769Sdfr u_int32_t ir_end; 8250769Sdfr u_int32_t ir_size; 8350769Sdfr u_int32_t ir_align; 8450769Sdfr}; 8550769Sdfr 8650769Sdfrstruct isa_config { 8750769Sdfr struct isa_range ic_mem[ISA_NMEM]; 8850769Sdfr struct isa_range ic_port[ISA_NPORT]; 8950769Sdfr u_int32_t ic_irqmask[ISA_NIRQ]; 9050769Sdfr u_int32_t ic_drqmask[ISA_NDRQ]; 9150769Sdfr int ic_nmem; 9250769Sdfr int ic_nport; 9350769Sdfr int ic_nirq; 9450769Sdfr int ic_ndrq; 9550769Sdfr}; 9650769Sdfr 9750769Sdfr/* 9850769Sdfr * Used to build lists of IDs and description strings for PnP drivers. 9950769Sdfr */ 10050769Sdfrstruct isa_pnp_id { 10150769Sdfr u_int32_t ip_id; 10250769Sdfr const char *ip_desc; 10350769Sdfr}; 10450769Sdfr 10538136Sdfrenum isa_device_ivars { 10641181Sdfr ISA_IVAR_PORT, 10741181Sdfr ISA_IVAR_PORT_0 = ISA_IVAR_PORT, 10841181Sdfr ISA_IVAR_PORT_1, 10941181Sdfr ISA_IVAR_PORTSIZE, 11041181Sdfr ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE, 11141181Sdfr ISA_IVAR_PORTSIZE_1, 11241181Sdfr ISA_IVAR_MADDR, 11341181Sdfr ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR, 11441181Sdfr ISA_IVAR_MADDR_1, 115105139Sjhb ISA_IVAR_MEMSIZE, 116105139Sjhb ISA_IVAR_MEMSIZE_0 = ISA_IVAR_MEMSIZE, 117105139Sjhb ISA_IVAR_MEMSIZE_1, 11841181Sdfr ISA_IVAR_IRQ, 11941181Sdfr ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ, 12041181Sdfr ISA_IVAR_IRQ_1, 12141181Sdfr ISA_IVAR_DRQ, 12241181Sdfr ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ, 12347613Sdfr ISA_IVAR_DRQ_1, 12447613Sdfr ISA_IVAR_VENDORID, 12547613Sdfr ISA_IVAR_SERIAL, 12647613Sdfr ISA_IVAR_LOGICALID, 12782863Syokota ISA_IVAR_COMPATID, 128184564Simp ISA_IVAR_CONFIGATTR, 129184564Simp ISA_IVAR_PNP_CSN, 130184564Simp ISA_IVAR_PNP_LDN, 131184564Simp ISA_IVAR_PNPBIOS_HANDLE 13238136Sdfr}; 13338136Sdfr 13438136Sdfr/* 13583051Syokota * ISA_IVAR_CONFIGATTR bits 13683051Syokota */ 13783051Syokota#define ISACFGATTR_CANDISABLE (1 << 0) /* can be disabled */ 13883051Syokota#define ISACFGATTR_DYNAMIC (1 << 1) /* dynamic configuration */ 139144985Smdodd#define ISACFGATTR_HINTS (1 << 3) /* source of config is hints */ 14083051Syokota 14183051Syokota/* 14238136Sdfr * Simplified accessors for isa devices 14338136Sdfr */ 144105139Sjhb#define ISA_ACCESSOR(var, ivar, type) \ 145105139Sjhb __BUS_ACCESSOR(isa, var, ISA, ivar, type) 14638136Sdfr 14738136SdfrISA_ACCESSOR(port, PORT, int) 14838136SdfrISA_ACCESSOR(portsize, PORTSIZE, int) 14938136SdfrISA_ACCESSOR(irq, IRQ, int) 15045720SpeterISA_ACCESSOR(drq, DRQ, int) 15145720SpeterISA_ACCESSOR(maddr, MADDR, int) 152105139SjhbISA_ACCESSOR(msize, MEMSIZE, int) 15347613SdfrISA_ACCESSOR(vendorid, VENDORID, int) 15447613SdfrISA_ACCESSOR(serial, SERIAL, int) 15547613SdfrISA_ACCESSOR(logicalid, LOGICALID, int) 15647613SdfrISA_ACCESSOR(compatid, COMPATID, int) 15782863SyokotaISA_ACCESSOR(configattr, CONFIGATTR, int) 158184564SimpISA_ACCESSOR(pnp_csn, PNP_CSN, int) 159184564SimpISA_ACCESSOR(pnp_ldn, PNP_LDN, int) 160184564SimpISA_ACCESSOR(pnpbios_handle, PNPBIOS_HANDLE, int) 16147613Sdfr 162117337Sjhb/* Device class for ISA bridges. */ 163117337Sjhbextern devclass_t isab_devclass; 164117337Sjhb 16550769Sdfrextern intrmask_t isa_irq_pending(void); 16650769Sdfrextern void isa_probe_children(device_t dev); 16747613Sdfr 168141391Sphkvoid isa_dmacascade(int chan); 169141391Sphkvoid isa_dmadone(int flags, caddr_t addr, int nbytes, int chan); 170141391Sphkint isa_dma_init(int chan, u_int bouncebufsize, int flag); 171141391Sphkvoid isa_dmastart(int flags, caddr_t addr, u_int nbytes, int chan); 172141391Sphkint isa_dma_acquire(int chan); 173141391Sphkvoid isa_dma_release(int chan); 174141391Sphkint isa_dmastatus(int chan); 175141391Sphkint isa_dmastop(int chan); 176141391Sphkint isa_dmatc(int chan); 17750769Sdfr 178135262Sphk#define isa_dmainit(chan, size) do { \ 179135262Sphk if (isa_dma_init(chan, size, M_NOWAIT)) \ 180135262Sphk printf("WARNING: isa_dma_init(%d, %ju) failed\n", \ 181135262Sphk (int)(chan), (uintmax_t)(size)); \ 182135262Sphk } while (0) 183135262Sphk 184185059Sjhbvoid isa_hinted_child(device_t parent, const char *name, int unit); 185185059Sjhbvoid isa_hint_device_unit(device_t bus, device_t child, const char *name, 186185059Sjhb int *unitp); 187117337Sjhbint isab_attach(device_t dev); 188117337Sjhb 18967442Snyan#ifdef PC98 19067442Snyan#include <machine/bus.h> 19167442Snyan 19267442Snyan/* 19367442Snyan * Allocate discontinuous resources for ISA bus. 19467442Snyan */ 19567442Snyanstruct resource * 19667442Snyanisa_alloc_resourcev(device_t child, int type, int *rid, 19767442Snyan bus_addr_t *res, bus_size_t count, u_int flags); 19867442Snyanint 19967442Snyanisa_load_resourcev(struct resource *re, bus_addr_t *res, bus_size_t count); 20067442Snyan#endif 20167442Snyan 20255206Speter#endif /* _KERNEL */ 20347613Sdfr 20447613Sdfr#endif /* !_ISA_ISAVAR_H_ */ 205