isavar.h revision 83051
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 83051 2001-09-05 03:54:33Z yokota $ 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, 11441181Sdfr ISA_IVAR_MSIZE, 11541181Sdfr ISA_IVAR_MSIZE_0 = ISA_IVAR_MSIZE, 11641181Sdfr ISA_IVAR_MSIZE_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 */ 14038136Sdfr#define ISA_ACCESSOR(A, B, T) \ 14138136Sdfr \ 14238136Sdfrstatic __inline T isa_get_ ## A(device_t dev) \ 14338136Sdfr{ \ 14445720Speter uintptr_t v; \ 14538136Sdfr BUS_READ_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, &v); \ 14638136Sdfr return (T) v; \ 14738136Sdfr} \ 14838136Sdfr \ 14938136Sdfrstatic __inline void isa_set_ ## A(device_t dev, T t) \ 15038136Sdfr{ \ 15138136Sdfr u_long v = (u_long) t; \ 15238136Sdfr BUS_WRITE_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, v); \ 15338136Sdfr} 15438136Sdfr 15538136SdfrISA_ACCESSOR(port, PORT, int) 15638136SdfrISA_ACCESSOR(portsize, PORTSIZE, int) 15738136SdfrISA_ACCESSOR(irq, IRQ, int) 15845720SpeterISA_ACCESSOR(drq, DRQ, int) 15945720SpeterISA_ACCESSOR(maddr, MADDR, int) 16045720SpeterISA_ACCESSOR(msize, MSIZE, int) 16147613SdfrISA_ACCESSOR(vendorid, VENDORID, int) 16247613SdfrISA_ACCESSOR(serial, SERIAL, int) 16347613SdfrISA_ACCESSOR(logicalid, LOGICALID, int) 16447613SdfrISA_ACCESSOR(compatid, COMPATID, int) 16582863SyokotaISA_ACCESSOR(configattr, CONFIGATTR, int) 16647613Sdfr 16750769Sdfrextern intrmask_t isa_irq_pending(void); 16850769Sdfrextern void isa_probe_children(device_t dev); 16947613Sdfr 17050769Sdfrextern void isa_dmacascade __P((int chan)); 17150769Sdfrextern void isa_dmadone __P((int flags, caddr_t addr, int nbytes, int chan)); 17250769Sdfrextern void isa_dmainit __P((int chan, u_int bouncebufsize)); 17350769Sdfrextern void isa_dmastart __P((int flags, caddr_t addr, u_int nbytes, int chan)); 17450769Sdfrextern int isa_dma_acquire __P((int chan)); 17550769Sdfrextern void isa_dma_release __P((int chan)); 17650769Sdfrextern int isa_dmastatus __P((int chan)); 17750769Sdfrextern int isa_dmastop __P((int chan)); 17850769Sdfr 17967442Snyan#ifdef PC98 18067442Snyan#include <machine/bus.h> 18167442Snyan 18267442Snyan/* 18367442Snyan * Allocate discontinuous resources for ISA bus. 18467442Snyan */ 18567442Snyanstruct resource * 18667442Snyanisa_alloc_resourcev(device_t child, int type, int *rid, 18767442Snyan bus_addr_t *res, bus_size_t count, u_int flags); 18867442Snyanint 18967442Snyanisa_load_resourcev(struct resource *re, bus_addr_t *res, bus_size_t count); 19067442Snyan#endif 19167442Snyan 19255206Speter#endif /* _KERNEL */ 19347613Sdfr 19447613Sdfr#endif /* !_ISA_ISAVAR_H_ */ 195