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/kernel.h> 37 #include <sys/module.h> 38 #include <machine/bus.h> 39 #include <machine/resource.h> 40 #include <sys/rman.h> 41 42 #include <net/if.h> 43 #include <net/ethernet.h> 44 #include <net/if_arp.h> 45 46 #include <isa/isavar.h> 47 48 #include <dev/sbni/if_sbnireg.h> 49 #include <dev/sbni/if_sbnivar.h> 50 51 static int sbni_probe_isa(device_t); 52 static int sbni_attach_isa(device_t); 53 54 static device_method_t sbni_isa_methods[] = { 55 /* Device interface */ 56 DEVMETHOD(device_probe, sbni_probe_isa), 57 DEVMETHOD(device_attach, sbni_attach_isa), 58 { 0, 0 } 59 }; 60 61 static driver_t sbni_isa_driver = { 62 "sbni", 63 sbni_isa_methods, 64 sizeof(struct sbni_softc) 65 }; 66 67 static devclass_t sbni_isa_devclass; 68 static struct isa_pnp_id sbni_ids[] = { 69 { 0, NULL } /* we have no pnp sbni cards atm. */ 70 }; 71 72 DRIVER_MODULE(sbni, isa, sbni_isa_driver, sbni_isa_devclass, 0, 0); 73 MODULE_DEPEND(sbni, isa, 1, 1, 1); 74 75 static int 76 sbni_probe_isa(device_t dev) 77 { 78 struct sbni_softc *sc; 79 int error; 80 81 error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids); 82 if (error && error != ENOENT) 83 return (error); 84 85 sc = device_get_softc(dev); 86 bzero(sc, sizeof(struct sbni_softc)); 87 88 sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid, 89 0ul, ~0ul, SBNI_PORTS, RF_ACTIVE); 90 if (!sc->io_res) { 91 printf("sbni: cannot allocate io ports!\n"); 92 return (ENOENT); 93 } 94 95 if (sbni_probe(sc) != 0) { 96 bus_release_resource(dev, SYS_RES_IOPORT, 97 sc->io_rid, sc->io_res); 98 return (ENXIO); 99 } 100 101 device_quiet(dev); 102 return (0); 103 } 104 105 106 static int 107 sbni_attach_isa(device_t dev) 108 { 109 struct sbni_softc *sc; 110 struct sbni_flags flags; 111 int error; 112 113 sc = device_get_softc(dev); 114 115 printf("sbni%d: <Granch SBNI12/ISA adapter> port 0x%lx", 116 next_sbni_unit, rman_get_start(sc->io_res)); 117 sc->irq_res = bus_alloc_resource( 118 dev, SYS_RES_IRQ, &sc->irq_rid, 0ul, ~0ul, 1, RF_ACTIVE); 119 120 if (sc->irq_res) { 121 printf(" irq %ld\n", rman_get_start(sc->irq_res)); 122 error = bus_setup_intr( 123 dev, sc->irq_res, INTR_TYPE_NET, 124 sbni_intr, sc, &sc->irq_handle); 125 if (error) { 126 printf("sbni%d: bus_setup_intr\n", next_sbni_unit); 127 bus_release_resource( 128 dev, SYS_RES_IOPORT, sc->io_rid, sc->io_res); 129 bus_release_resource( 130 dev, SYS_RES_IRQ, sc->irq_rid, sc->irq_res); 131 return (error); 132 } 133 134 #ifndef SBNI_DUAL_COMPOUND 135 136 } else { 137 printf("\nsbni%d: irq conflict!\n", next_sbni_unit); 138 bus_release_resource(dev, SYS_RES_IOPORT, 139 sc->io_rid, sc->io_res); 140 return (ENOENT); 141 } 142 143 #else /* SBNI_DUAL_COMPOUND */ 144 145 sc->link = sbni_headlist; 146 sbni_headlist = sc; 147 } else { 148 struct sbni_softc *master; 149 150 if ((master = connect_to_master(sc)) == 0) { 151 printf("\nsbni%d: failed to alloc irq\n", 152 next_sbni_unit); 153 bus_release_resource( 154 dev, SYS_RES_IOPORT, sc->io_rid, sc->io_res); 155 return (ENXIO); 156 } else { 157 printf(" shared irq with sbni%d\n", 158 master->arpcom.ac_if.if_unit); 159 } 160 } 161 #endif /* SBNI_DUAL_COMPOUND */ 162 163 *(u_int32_t*)&flags = device_get_flags(dev); 164 165 sbni_attach(sc, next_sbni_unit++, flags); 166 return (0); 167 } 168