isavar.h revision 55206
118316Swollman/*- 218316Swollman * Copyright (c) 1998 Doug Rabson 318316Swollman * All rights reserved. 418316Swollman * 518316Swollman * Redistribution and use in source and binary forms, with or without 618316Swollman * modification, are permitted provided that the following conditions 718316Swollman * are met: 818316Swollman * 1. Redistributions of source code must retain the above copyright 918316Swollman * notice, this list of conditions and the following disclaimer. 1018316Swollman * 2. Redistributions in binary form must reproduce the above copyright 1118316Swollman * notice, this list of conditions and the following disclaimer in the 1218316Swollman * documentation and/or other materials provided with the distribution. 1318316Swollman * 1446303Smarkm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1518316Swollman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1618316Swollman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1718316Swollman * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1818316Swollman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1918316Swollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2018316Swollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2118316Swollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2218316Swollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2318316Swollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2418316Swollman * SUCH DAMAGE. 2518316Swollman * 2618316Swollman * $FreeBSD: head/sys/isa/isavar.h 55206 1999-12-29 05:07:58Z peter $ 2718316Swollman */ 2818316Swollman 2918316Swollman#ifndef _ISA_ISAVAR_H_ 3018316Swollman#define _ISA_ISAVAR_H_ 3118316Swollman 3246303Smarkmstruct isa_config; 3350476Speterstruct isa_pnp_id; 3418316Swollmantypedef void isa_config_cb(void *arg, struct isa_config *config, int enable); 3518316Swollman 3618316Swollman#include "isa_if.h" 3718316Swollman#include <isa/pnpvar.h> 3818316Swollman 3918316Swollman#ifdef _KERNEL 4018316Swollman 4146303Smarkm/* 4246303Smarkm * ISA devices are partially ordered to ensure that devices which are 4346303Smarkm * sensitive to other driver probe routines are probed first. Plug and 4446303Smarkm * Play devices are added after devices with speculative probes so that 4546303Smarkm * the legacy hardware can claim resources allowing the Plug and Play 4650476Speter * hardware to choose different resources. 4746303Smarkm */ 4818316Swollman#define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */ 4918316Swollman#define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */ 5018316Swollman#define ISA_ORDER_PNP 2 /* plug-and-play hardware */ 5118316Swollman 5218316Swollman#define ISA_NPORT 32 5318316Swollman#define ISA_NMEM 8 5418316Swollman#define ISA_NIRQ 2 5518316Swollman#define ISA_NDRQ 2 5618316Swollman 5718316Swollman/* 5818316Swollman * Plug and play cards can support a range of resource 5918316Swollman * configurations. This structure is used by the isapnp parser to 6018316Swollman * inform the isa bus about the resource possibilities of the 6118316Swollman * device. Each different alternative should be supplied by calling 6218316Swollman * ISA_ADD_CONFIG(). 6318316Swollman */ 6418316Swollmanstruct isa_range { 6518316Swollman u_int32_t ir_start; 6618316Swollman u_int32_t ir_end; 6718316Swollman u_int32_t ir_size; 6818316Swollman u_int32_t ir_align; 6918316Swollman}; 7018316Swollman 7118316Swollmanstruct isa_config { 7218316Swollman struct isa_range ic_mem[ISA_NMEM]; 7318316Swollman struct isa_range ic_port[ISA_NPORT]; 7418316Swollman u_int32_t ic_irqmask[ISA_NIRQ]; 7518316Swollman u_int32_t ic_drqmask[ISA_NDRQ]; 7618316Swollman int ic_nmem; 7718316Swollman int ic_nport; 7818316Swollman int ic_nirq; 7918316Swollman int ic_ndrq; 8018316Swollman}; 8118316Swollman 8218316Swollman/* 8318316Swollman * Used to build lists of IDs and description strings for PnP drivers. 8446303Smarkm */ 8518316Swollmanstruct isa_pnp_id { 8618316Swollman u_int32_t ip_id; 8718316Swollman const char *ip_desc; 8818316Swollman}; 8918316Swollman 9018316Swollmanenum isa_device_ivars { 9118316Swollman ISA_IVAR_PORT, 9218316Swollman ISA_IVAR_PORT_0 = ISA_IVAR_PORT, 9318316Swollman ISA_IVAR_PORT_1, 9446303Smarkm ISA_IVAR_PORTSIZE, 9546303Smarkm ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE, 9646303Smarkm ISA_IVAR_PORTSIZE_1, 9746303Smarkm ISA_IVAR_MADDR, 9846303Smarkm ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR, 9946303Smarkm ISA_IVAR_MADDR_1, 10046303Smarkm ISA_IVAR_MSIZE, 10118316Swollman ISA_IVAR_MSIZE_0 = ISA_IVAR_MSIZE, 10218316Swollman ISA_IVAR_MSIZE_1, 10318316Swollman ISA_IVAR_IRQ, 10418316Swollman ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ, 10518316Swollman ISA_IVAR_IRQ_1, 10618316Swollman ISA_IVAR_DRQ, 10718316Swollman ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ, 10818316Swollman ISA_IVAR_DRQ_1, 10946303Smarkm ISA_IVAR_VENDORID, 11018316Swollman ISA_IVAR_SERIAL, 11118316Swollman ISA_IVAR_LOGICALID, 11218316Swollman ISA_IVAR_COMPATID 11318316Swollman}; 11418316Swollman 11518316Swollman/* 11618316Swollman * Simplified accessors for isa devices 11718316Swollman */ 11818316Swollman#define ISA_ACCESSOR(A, B, T) \ 11918316Swollman \ 12018316Swollmanstatic __inline T isa_get_ ## A(device_t dev) \ 12118316Swollman{ \ 12218316Swollman uintptr_t v; \ 12318316Swollman BUS_READ_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, &v); \ 12418316Swollman return (T) v; \ 12518316Swollman} \ 12618316Swollman \ 12718316Swollmanstatic __inline void isa_set_ ## A(device_t dev, T t) \ 12818316Swollman{ \ 12918316Swollman u_long v = (u_long) t; \ 13018316Swollman BUS_WRITE_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, v); \ 13118316Swollman} 13218316Swollman 13318316SwollmanISA_ACCESSOR(port, PORT, int) 13418316SwollmanISA_ACCESSOR(portsize, PORTSIZE, int) 13518316SwollmanISA_ACCESSOR(irq, IRQ, int) 13618316SwollmanISA_ACCESSOR(drq, DRQ, int) 13720339SwollmanISA_ACCESSOR(maddr, MADDR, int) 13818316SwollmanISA_ACCESSOR(msize, MSIZE, int) 13918316SwollmanISA_ACCESSOR(vendorid, VENDORID, int) 14018316SwollmanISA_ACCESSOR(serial, SERIAL, int) 14118316SwollmanISA_ACCESSOR(logicalid, LOGICALID, int) 14218316SwollmanISA_ACCESSOR(compatid, COMPATID, int) 14318316Swollman 14419880Swollmanextern intrmask_t isa_irq_pending(void); 14518316Swollmanextern intrmask_t isa_irq_mask(void); 14618316Swollman#ifdef __i386__ 14746303Smarkmextern void isa_wrap_old_drivers(void); 14818316Swollman#endif 14918316Swollmanextern void isa_probe_children(device_t dev); 15018316Swollman 15118316Swollmanextern void isa_dmacascade __P((int chan)); 15218316Swollmanextern void isa_dmadone __P((int flags, caddr_t addr, int nbytes, int chan)); 15318316Swollmanextern void isa_dmainit __P((int chan, u_int bouncebufsize)); 15418316Swollmanextern void isa_dmastart __P((int flags, caddr_t addr, u_int nbytes, int chan)); 15518316Swollmanextern int isa_dma_acquire __P((int chan)); 15618316Swollmanextern void isa_dma_release __P((int chan)); 15718316Swollmanextern int isa_dmastatus __P((int chan)); 15818316Swollmanextern int isa_dmastop __P((int chan)); 15918316Swollman 16018316Swollman#endif /* _KERNEL */ 16118316Swollman 16218316Swollman#endif /* !_ISA_ISAVAR_H_ */ 16318316Swollman