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 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/socket.h> 33 34 #include <sys/bus.h> 35 #include <sys/kernel.h> 36 #include <sys/module.h> 37 #include <machine/bus.h> 38 #include <machine/resource.h> 39 #include <sys/rman.h> 40 41 #include <net/if.h> 42 #include <net/if_var.h> 43 #include <net/ethernet.h> 44 45 #include <isa/isavar.h> 46 47 #include <dev/sbni/if_sbnireg.h> 48 #include <dev/sbni/if_sbnivar.h> 49 50 static int sbni_probe_isa(device_t); 51 static int sbni_attach_isa(device_t); 52 53 static device_method_t sbni_isa_methods[] = { 54 /* Device interface */ 55 DEVMETHOD(device_probe, sbni_probe_isa), 56 DEVMETHOD(device_attach, sbni_attach_isa), 57 { 0, 0 } 58 }; 59 60 static driver_t sbni_isa_driver = { 61 "sbni", 62 sbni_isa_methods, 63 sizeof(struct sbni_softc) 64 }; 65 66 static struct isa_pnp_id sbni_ids[] = { 67 { 0, NULL } /* we have no pnp sbni cards atm. */ 68 }; 69 70 static int 71 sbni_probe_isa(device_t dev) 72 { 73 struct sbni_softc *sc; 74 int error; 75 76 error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids); 77 if (error && error != ENOENT) 78 return (error); 79 80 sc = device_get_softc(dev); 81 82 sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, 83 &sc->io_rid, SBNI_PORTS, 84 RF_ACTIVE); 85 if (!sc->io_res) { 86 printf("sbni: cannot allocate io ports!\n"); 87 return (ENOENT); 88 } 89 90 if (sbni_probe(sc) != 0) { 91 sbni_release_resources(sc); 92 return (ENXIO); 93 } 94 95 device_set_desc(dev, "Granch SBNI12/ISA adapter"); 96 return (0); 97 } 98 99 static int 100 sbni_attach_isa(device_t dev) 101 { 102 struct sbni_softc *sc; 103 struct sbni_flags flags; 104 int error; 105 106 sc = device_get_softc(dev); 107 sc->dev = dev; 108 109 sc->irq_res = bus_alloc_resource_any( 110 dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE); 111 112 #ifndef SBNI_DUAL_COMPOUND 113 114 if (sc->irq_res == NULL) { 115 device_printf(dev, "irq conflict!\n"); 116 sbni_release_resources(sc); 117 return (ENOENT); 118 } 119 120 #else /* SBNI_DUAL_COMPOUND */ 121 122 if (sc->irq_res) { 123 sbni_add(sc); 124 } else { 125 struct sbni_softc *master; 126 127 if ((master = connect_to_master(sc)) == NULL) { 128 device_printf(dev, "failed to alloc irq\n"); 129 sbni_release_resources(sc); 130 return (ENXIO); 131 } else { 132 device_printf(dev, "shared irq with %s\n", 133 if_name(master->ifp)); 134 } 135 } 136 #endif /* SBNI_DUAL_COMPOUND */ 137 138 *(u_int32_t*)&flags = device_get_flags(dev); 139 140 error = sbni_attach(sc, device_get_unit(dev) * 2, flags); 141 if (error) { 142 device_printf(dev, "cannot initialize driver\n"); 143 sbni_release_resources(sc); 144 return (error); 145 } 146 147 if (sc->irq_res) { 148 error = bus_setup_intr( 149 dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, 150 NULL, sbni_intr, sc, &sc->irq_handle); 151 if (error) { 152 device_printf(dev, "bus_setup_intr\n"); 153 sbni_detach(sc); 154 sbni_release_resources(sc); 155 return (error); 156 } 157 } 158 159 return (0); 160 } 161 162 DRIVER_MODULE(sbni, isa, sbni_isa_driver, 0, 0); 163 MODULE_DEPEND(sbni, isa, 1, 1, 1); 164 ISA_PNP_INFO(sbni_ids); 165