1 /* 2 * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved. 3 * Author: Denis I.Timofeev <timofeev@granch.ru> 4 * 5 * Redistributon and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/socket.h> 34 35 #include <sys/bus.h> 36 #include <sys/bus_private.h> 37 #include <sys/kernel.h> 38 #include <sys/module.h> 39 #include <machine/bus.h> 40 #include <machine/resource.h> 41 #include <sys/rman.h> 42 43 #include <net/if.h> 44 #include <net/ethernet.h> 45 #include <net/if_arp.h> 46 47 #include <isa/isavar.h> 48 49 #include <dev/sbni/if_sbnireg.h> 50 #include <dev/sbni/if_sbnivar.h> 51 52 static int sbni_probe_isa(device_t); 53 static int sbni_attach_isa(device_t); 54 55 static device_method_t sbni_isa_methods[] = { 56 /* Device interface */ 57 DEVMETHOD(device_probe, sbni_probe_isa), 58 DEVMETHOD(device_attach, sbni_attach_isa), 59 { 0, 0 } 60 }; 61 62 static driver_t sbni_isa_driver = { 63 "sbni", 64 sbni_isa_methods, 65 sizeof(struct sbni_softc) 66 }; 67 68 static devclass_t sbni_isa_devclass; 69 static struct isa_pnp_id sbni_ids[] = { 70 { 0, NULL } /* we have no pnp sbni cards atm. */ 71 }; 72 73 DRIVER_MODULE(if_sbni, isa, sbni_isa_driver, sbni_isa_devclass, 0, 0); 74 75 76 static int 77 sbni_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 if (sbni_probe(sc) != 0) { 97 bus_release_resource(dev, SYS_RES_IOPORT, 98 sc->io_rid, sc->io_res); 99 return (ENXIO); 100 } 101 102 device_quiet(dev); 103 return (0); 104 } 105 106 107 static int 108 sbni_attach_isa(device_t dev) 109 { 110 struct sbni_softc *sc; 111 struct sbni_flags flags; 112 int error; 113 114 sc = device_get_softc(dev); 115 116 printf("sbni%d: <Granch SBNI12/ISA adapter> port 0x%lx", 117 next_sbni_unit, rman_get_start(sc->io_res)); 118 sc->irq_res = bus_alloc_resource( 119 dev, SYS_RES_IRQ, &sc->irq_rid, 0ul, ~0ul, 1, RF_ACTIVE); 120 121 if (sc->irq_res) { 122 printf(" irq %ld\n", rman_get_start(sc->irq_res)); 123 error = bus_setup_intr( 124 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( 129 dev, SYS_RES_IOPORT, sc->io_rid, sc->io_res); 130 bus_release_resource( 131 dev, SYS_RES_IRQ, sc->irq_rid, sc->irq_res); 132 return (error); 133 } 134 135 #ifndef SBNI_DUAL_COMPOUND 136 137 } else { 138 printf("\nsbni%d: irq conflict!\n", next_sbni_unit); 139 bus_release_resource(dev, SYS_RES_IOPORT, 140 sc->io_rid, sc->io_res); 141 return (ENOENT); 142 } 143 144 #else /* SBNI_DUAL_COMPOUND */ 145 146 sc->link = sbni_headlist; 147 sbni_headlist = sc; 148 } else { 149 struct sbni_softc *master; 150 151 if ((master = connect_to_master(sc)) == 0) { 152 printf("\nsbni%d: failed to alloc irq\n", 153 next_sbni_unit); 154 bus_release_resource( 155 dev, SYS_RES_IOPORT, sc->io_rid, sc->io_res); 156 return (ENXIO); 157 } else { 158 printf(" shared irq with sbni%d\n", 159 master->arpcom.ac_if.if_unit); 160 } 161 } 162 #endif /* SBNI_DUAL_COMPOUND */ 163 164 *(u_int32_t*)&flags = device_get_flags(dev); 165 166 sbni_attach(sc, next_sbni_unit++, flags); 167 return (0); 168 } 169