if_sbni_isa.c revision 86752
1233294Sstas/* 2233294Sstas * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved. 3233294Sstas * Author: Denis I.Timofeev <timofeev@granch.ru> 455682Smarkm * 5233294Sstas * Redistributon and use in source and binary forms, with or without 6233294Sstas * modification, are permitted provided that the following conditions 7233294Sstas * are met: 8120945Snectar * 1. Redistributions of source code must retain the above copyright 9233294Sstas * notice unmodified, this list of conditions, and the following 10233294Sstas * disclaimer. 11120945Snectar * 2. Redistributions in binary form must reproduce the above copyright 12233294Sstas * notice, this list of conditions and the following disclaimer in the 13233294Sstas * documentation and/or other materials provided with the distribution. 14233294Sstas * 15120945Snectar * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16233294Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17233294Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18233294Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19120945Snectar * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20233294Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21233294Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22233294Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23233294Sstas * LIABILITY, OR TORT (INCLUDING NEIGENCE OR OTHERWISE) ARISING IN ANY WAY 24233294Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25233294Sstas * SUCH DAMAGE. 26233294Sstas * 27233294Sstas * $FreeBSD: head/sys/dev/sbni/if_sbni_isa.c 86752 2001-11-21 22:29:35Z fjoe $ 28233294Sstas */ 29233294Sstas 30233294Sstas 31120945Snectar#include <sys/param.h> 32233294Sstas#include <sys/systm.h> 33233294Sstas#include <sys/socket.h> 34178825Sdfr 3555682Smarkm#include <sys/bus.h> 3655682Smarkm#include <sys/bus_private.h> 3755682Smarkm#include <sys/kernel.h> 3855682Smarkm#include <sys/module.h> 3976371Sassar#include <machine/bus.h> 4055682Smarkm#include <machine/resource.h> 4155682Smarkm#include <sys/rman.h> 42233294Sstas 43178825Sdfr#include <net/if.h> 44233294Sstas#include <net/ethernet.h> 45178825Sdfr#include <net/if_arp.h> 46178825Sdfr 47178825Sdfr#include <isa/isavar.h> 4855682Smarkm 4955682Smarkm#include <dev/sbni/if_sbnireg.h> 5055682Smarkm#include <dev/sbni/if_sbnivar.h> 51178825Sdfr 52178825Sdfrstatic int sbni_probe_isa(device_t); 53178825Sdfrstatic int sbni_attach_isa(device_t); 54178825Sdfr 55178825Sdfrstatic device_method_t sbni_isa_methods[] = { 56178825Sdfr /* Device interface */ 57178825Sdfr DEVMETHOD(device_probe, sbni_probe_isa), 58178825Sdfr DEVMETHOD(device_attach, sbni_attach_isa), 59178825Sdfr { 0, 0 } 60178825Sdfr}; 61233294Sstas 62178825Sdfrstatic driver_t sbni_isa_driver = { 63178825Sdfr "sbni", 6455682Smarkm sbni_isa_methods, 6555682Smarkm sizeof(struct sbni_softc) 6655682Smarkm}; 6755682Smarkm 6855682Smarkmstatic devclass_t sbni_isa_devclass; 69static struct isa_pnp_id sbni_ids[] = { 70 { 0, NULL } /* we have no pnp sbni cards atm. */ 71}; 72 73DRIVER_MODULE(sbni, isa, sbni_isa_driver, sbni_isa_devclass, 0, 0); 74 75 76static int 77sbni_probe_isa(device_t dev) 78{ 79 struct sbni_softc *sc; 80 int error; 81 82 error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids); 83 if (error && error != ENOENT) 84 return (error); 85 86 sc = device_get_softc(dev); 87 bzero(sc, sizeof(struct sbni_softc)); 88 89 sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid, 90 0ul, ~0ul, SBNI_PORTS, RF_ACTIVE); 91 if (!sc->io_res) { 92 printf("sbni: cannot allocate io ports!\n"); 93 return (ENOENT); 94 } 95 96 sc->base_addr = rman_get_start(sc->io_res); 97 if (sbni_probe(sc) != 0) { 98 bus_release_resource(dev, SYS_RES_IOPORT, 99 sc->io_rid, sc->io_res); 100 return (ENXIO); 101 } 102 103 device_quiet(dev); 104 return (0); 105} 106 107 108static int 109sbni_attach_isa(device_t dev) 110{ 111 struct sbni_softc *sc; 112 struct sbni_flags flags; 113 int error; 114 115 sc = device_get_softc(dev); 116 117 printf("sbni%d: <Granch SBNI12/ISA adapter> port 0x%x", 118 next_sbni_unit, sc->base_addr); 119 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 120 0ul, ~0ul, 1, RF_ACTIVE); 121 122 if (sc->irq_res) { 123 printf(" irq %ld\n", rman_get_start(sc->irq_res)); 124 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, 125 sbni_intr, sc, &sc->irq_handle); 126 if (error) { 127 printf("sbni%d: bus_setup_intr\n", next_sbni_unit); 128 bus_release_resource(dev, SYS_RES_IOPORT, 129 sc->io_rid, sc->io_res); 130 return (error); 131 } 132 133#ifndef SBNI_DUAL_COMPOUND 134 135 } else { 136 printf("\nsbni%d: irq conflict!\n", next_sbni_unit); 137 bus_release_resource(dev, SYS_RES_IOPORT, 138 sc->io_rid, sc->io_res); 139 return (ENOENT); 140 } 141 142#else /* SBNI_DUAL_COMPOUND */ 143 144 sc->link = headlist; 145 headlist = sc; 146 } else { 147 struct sbni_softc *master; 148 149 if ((master = connect_to_master(sc)) == 0) { 150 printf("\nsbni%d: failed to alloc irq\n", 151 next_sbni_unit); 152 bus_release_resource(dev, SYS_RES_IOPORT, 153 sc->io_rid, sc->io_res); 154 return (ENXIO); 155 } else 156 printf(" shared irq with sbni%d\n", 157 master->arpcom.ac_if.if_unit); 158 } 159#endif /* SBNI_DUAL_COMPOUND */ 160 161 *(u_int32_t*)&flags = device_get_flags(dev); 162 163 sbni_attach(sc, next_sbni_unit++, flags); 164 return (0); 165} 166