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/param.h> 30 #include <sys/systm.h> 31 #include <sys/socket.h> 32 33 #include <sys/bus.h> 34 #include <sys/kernel.h> 35 #include <sys/module.h> 36 #include <machine/bus.h> 37 #include <machine/resource.h> 38 #include <sys/rman.h> 39 40 #include <net/if.h> 41 #include <net/if_var.h> 42 #include <net/ethernet.h> 43 44 #include <isa/isavar.h> 45 46 #include <dev/sbni/if_sbnireg.h> 47 #include <dev/sbni/if_sbnivar.h> 48 49 static int sbni_probe_isa(device_t); 50 static int sbni_attach_isa(device_t); 51 52 static device_method_t sbni_isa_methods[] = { 53 /* Device interface */ 54 DEVMETHOD(device_probe, sbni_probe_isa), 55 DEVMETHOD(device_attach, sbni_attach_isa), 56 { 0, 0 } 57 }; 58 59 static driver_t sbni_isa_driver = { 60 "sbni", 61 sbni_isa_methods, 62 sizeof(struct sbni_softc) 63 }; 64 65 static struct isa_pnp_id sbni_ids[] = { 66 { 0, NULL } /* we have no pnp sbni cards atm. */ 67 }; 68 69 static int 70 sbni_probe_isa(device_t dev) 71 { 72 struct sbni_softc *sc; 73 int error; 74 75 error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids); 76 if (error && error != ENOENT) 77 return (error); 78 79 sc = device_get_softc(dev); 80 81 sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, 82 &sc->io_rid, SBNI_PORTS, 83 RF_ACTIVE); 84 if (!sc->io_res) { 85 printf("sbni: cannot allocate io ports!\n"); 86 return (ENOENT); 87 } 88 89 if (sbni_probe(sc) != 0) { 90 sbni_release_resources(sc); 91 return (ENXIO); 92 } 93 94 device_set_desc(dev, "Granch SBNI12/ISA adapter"); 95 return (0); 96 } 97 98 static int 99 sbni_attach_isa(device_t dev) 100 { 101 struct sbni_softc *sc; 102 struct sbni_flags flags; 103 int error; 104 105 sc = device_get_softc(dev); 106 sc->dev = dev; 107 108 sc->irq_res = bus_alloc_resource_any( 109 dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE); 110 111 #ifndef SBNI_DUAL_COMPOUND 112 113 if (sc->irq_res == NULL) { 114 device_printf(dev, "irq conflict!\n"); 115 sbni_release_resources(sc); 116 return (ENOENT); 117 } 118 119 #else /* SBNI_DUAL_COMPOUND */ 120 121 if (sc->irq_res) { 122 sbni_add(sc); 123 } else { 124 struct sbni_softc *master; 125 126 if ((master = connect_to_master(sc)) == NULL) { 127 device_printf(dev, "failed to alloc irq\n"); 128 sbni_release_resources(sc); 129 return (ENXIO); 130 } else { 131 device_printf(dev, "shared irq with %s\n", 132 if_name(master->ifp)); 133 } 134 } 135 #endif /* SBNI_DUAL_COMPOUND */ 136 137 *(u_int32_t*)&flags = device_get_flags(dev); 138 139 error = sbni_attach(sc, device_get_unit(dev) * 2, flags); 140 if (error) { 141 device_printf(dev, "cannot initialize driver\n"); 142 sbni_release_resources(sc); 143 return (error); 144 } 145 146 if (sc->irq_res) { 147 error = bus_setup_intr( 148 dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, 149 NULL, sbni_intr, sc, &sc->irq_handle); 150 if (error) { 151 device_printf(dev, "bus_setup_intr\n"); 152 sbni_detach(sc); 153 sbni_release_resources(sc); 154 return (error); 155 } 156 } 157 158 return (0); 159 } 160 161 DRIVER_MODULE(sbni, isa, sbni_isa_driver, 0, 0); 162 MODULE_DEPEND(sbni, isa, 1, 1, 1); 163 ISA_PNP_INFO(sbni_ids); 164