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 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/socket.h> 36 37 #include <sys/bus.h> 38 #include <sys/kernel.h> 39 #include <sys/module.h> 40 #include <machine/bus.h> 41 #include <machine/resource.h> 42 #include <sys/rman.h> 43 44 #include <net/if.h> 45 #include <net/ethernet.h> 46 #include <net/if_arp.h> 47 48 #include <isa/isavar.h> 49 50 #include <dev/sbni/if_sbnireg.h> 51 #include <dev/sbni/if_sbnivar.h> 52 53 static int sbni_probe_isa(device_t); 54 static int sbni_attach_isa(device_t); 55 56 static device_method_t sbni_isa_methods[] = { 57 /* Device interface */ 58 DEVMETHOD(device_probe, sbni_probe_isa), 59 DEVMETHOD(device_attach, sbni_attach_isa), 60 { 0, 0 } 61 }; 62 63 static driver_t sbni_isa_driver = { 64 "sbni", 65 sbni_isa_methods, 66 sizeof(struct sbni_softc) 67 }; 68 69 static devclass_t sbni_isa_devclass; 70 static struct isa_pnp_id sbni_ids[] = { 71 { 0, NULL } /* we have no pnp sbni cards atm. */ 72 }; 73 74 DRIVER_MODULE(sbni, isa, sbni_isa_driver, sbni_isa_devclass, 0, 0); 75 MODULE_DEPEND(sbni, isa, 1, 1, 1); 76 77 static int 78 sbni_probe_isa(device_t dev) 79 { 80 struct sbni_softc *sc; 81 int error; 82 83 error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids); 84 if (error && error != ENOENT) 85 return (error); 86 87 sc = device_get_softc(dev); 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 sbni_release_resources(sc); 98 return (ENXIO); 99 } 100 101 device_set_desc(dev, "Granch SBNI12/ISA adapter"); 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 sc->dev = dev; 115 116 sc->irq_res = bus_alloc_resource_any( 117 dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE); 118 119 #ifndef SBNI_DUAL_COMPOUND 120 121 if (sc->irq_res == NULL) { 122 device_printf(dev, "irq conflict!\n"); 123 sbni_release_resources(sc); 124 return (ENOENT); 125 } 126 127 #else /* SBNI_DUAL_COMPOUND */ 128 129 if (sc->irq_res) { 130 sbni_add(sc); 131 } else { 132 struct sbni_softc *master; 133 134 if ((master = connect_to_master(sc)) == 0) { 135 device_printf(dev, "failed to alloc irq\n"); 136 sbni_release_resources(sc); 137 return (ENXIO); 138 } else { 139 device_printf(dev, "shared irq with %s\n", 140 master->ifp->if_xname); 141 } 142 } 143 #endif /* SBNI_DUAL_COMPOUND */ 144 145 *(u_int32_t*)&flags = device_get_flags(dev); 146 147 error = sbni_attach(sc, device_get_unit(dev) * 2, flags); 148 if (error) { 149 device_printf(dev, "cannot initialize driver\n"); 150 sbni_release_resources(sc); 151 return (error); 152 } 153 154 if (sc->irq_res) { 155 error = bus_setup_intr( 156 dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, 157 NULL, sbni_intr, sc, &sc->irq_handle); 158 if (error) { 159 device_printf(dev, "bus_setup_intr\n"); 160 sbni_detach(sc); 161 sbni_release_resources(sc); 162 return (error); 163 } 164 } 165 166 return (0); 167 } 168