isavar.h revision 144985
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 144985 2005-04-13 03:26:24Z mdodd $ 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 */ 51138506Simp#define ISA_ORDER_PNP 40 /* plug-and-play 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, 12882863Syokota ISA_IVAR_CONFIGATTR 12938136Sdfr}; 13038136Sdfr 13138136Sdfr/* 13283051Syokota * ISA_IVAR_CONFIGATTR bits 13383051Syokota */ 13483051Syokota#define ISACFGATTR_CANDISABLE (1 << 0) /* can be disabled */ 13583051Syokota#define ISACFGATTR_DYNAMIC (1 << 1) /* dynamic configuration */ 13683051Syokota#define ISACFGATTR_MULTI (1 << 2) /* multiple configurations */ 137144985Smdodd#define ISACFGATTR_HINTS (1 << 3) /* source of config is hints */ 13883051Syokota 13983051Syokota/* 14038136Sdfr * Simplified accessors for isa devices 14138136Sdfr */ 142105139Sjhb#define ISA_ACCESSOR(var, ivar, type) \ 143105139Sjhb __BUS_ACCESSOR(isa, var, ISA, ivar, type) 14438136Sdfr 14538136SdfrISA_ACCESSOR(port, PORT, int) 14638136SdfrISA_ACCESSOR(portsize, PORTSIZE, int) 14738136SdfrISA_ACCESSOR(irq, IRQ, int) 14845720SpeterISA_ACCESSOR(drq, DRQ, int) 14945720SpeterISA_ACCESSOR(maddr, MADDR, int) 150105139SjhbISA_ACCESSOR(msize, MEMSIZE, int) 15147613SdfrISA_ACCESSOR(vendorid, VENDORID, int) 15247613SdfrISA_ACCESSOR(serial, SERIAL, int) 15347613SdfrISA_ACCESSOR(logicalid, LOGICALID, int) 15447613SdfrISA_ACCESSOR(compatid, COMPATID, int) 15582863SyokotaISA_ACCESSOR(configattr, CONFIGATTR, int) 15647613Sdfr 157117337Sjhb/* Device class for ISA bridges. */ 158117337Sjhbextern devclass_t isab_devclass; 159117337Sjhb 16050769Sdfrextern intrmask_t isa_irq_pending(void); 16150769Sdfrextern void isa_probe_children(device_t dev); 16247613Sdfr 163141391Sphkvoid isa_dmacascade(int chan); 164141391Sphkvoid isa_dmadone(int flags, caddr_t addr, int nbytes, int chan); 165141391Sphkint isa_dma_init(int chan, u_int bouncebufsize, int flag); 166141391Sphkvoid isa_dmastart(int flags, caddr_t addr, u_int nbytes, int chan); 167141391Sphkint isa_dma_acquire(int chan); 168141391Sphkvoid isa_dma_release(int chan); 169141391Sphkint isa_dmastatus(int chan); 170141391Sphkint isa_dmastop(int chan); 171141391Sphkint isa_dmatc(int chan); 17250769Sdfr 173135262Sphk#define isa_dmainit(chan, size) do { \ 174135262Sphk if (isa_dma_init(chan, size, M_NOWAIT)) \ 175135262Sphk printf("WARNING: isa_dma_init(%d, %ju) failed\n", \ 176135262Sphk (int)(chan), (uintmax_t)(size)); \ 177135262Sphk } while (0) 178135262Sphk 179117337Sjhbint isab_attach(device_t dev); 180117337Sjhb 18167442Snyan#ifdef PC98 18267442Snyan#include <machine/bus.h> 18367442Snyan 18467442Snyan/* 18567442Snyan * Allocate discontinuous resources for ISA bus. 18667442Snyan */ 18767442Snyanstruct resource * 18867442Snyanisa_alloc_resourcev(device_t child, int type, int *rid, 18967442Snyan bus_addr_t *res, bus_size_t count, u_int flags); 19067442Snyanint 19167442Snyanisa_load_resourcev(struct resource *re, bus_addr_t *res, bus_size_t count); 19267442Snyan#endif 19367442Snyan 19455206Speter#endif /* _KERNEL */ 19547613Sdfr 19647613Sdfr#endif /* !_ISA_ISAVAR_H_ */ 197