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 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/socket.h> 35 36 #include <sys/bus.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/if_var.h> 45 #include <net/ethernet.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 struct isa_pnp_id sbni_ids[] = { 69 { 0, NULL } /* we have no pnp sbni cards atm. */ 70 }; 71 72 static int 73 sbni_probe_isa(device_t dev) 74 { 75 struct sbni_softc *sc; 76 int error; 77 78 error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids); 79 if (error && error != ENOENT) 80 return (error); 81 82 sc = device_get_softc(dev); 83 84 sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, 85 &sc->io_rid, SBNI_PORTS, 86 RF_ACTIVE); 87 if (!sc->io_res) { 88 printf("sbni: cannot allocate io ports!\n"); 89 return (ENOENT); 90 } 91 92 if (sbni_probe(sc) != 0) { 93 sbni_release_resources(sc); 94 return (ENXIO); 95 } 96 97 device_set_desc(dev, "Granch SBNI12/ISA adapter"); 98 return (0); 99 } 100 101 static int 102 sbni_attach_isa(device_t dev) 103 { 104 struct sbni_softc *sc; 105 struct sbni_flags flags; 106 int error; 107 108 sc = device_get_softc(dev); 109 sc->dev = dev; 110 111 sc->irq_res = bus_alloc_resource_any( 112 dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE); 113 114 #ifndef SBNI_DUAL_COMPOUND 115 116 if (sc->irq_res == NULL) { 117 device_printf(dev, "irq conflict!\n"); 118 sbni_release_resources(sc); 119 return (ENOENT); 120 } 121 122 #else /* SBNI_DUAL_COMPOUND */ 123 124 if (sc->irq_res) { 125 sbni_add(sc); 126 } else { 127 struct sbni_softc *master; 128 129 if ((master = connect_to_master(sc)) == NULL) { 130 device_printf(dev, "failed to alloc irq\n"); 131 sbni_release_resources(sc); 132 return (ENXIO); 133 } else { 134 device_printf(dev, "shared irq with %s\n", 135 master->ifp->if_xname); 136 } 137 } 138 #endif /* SBNI_DUAL_COMPOUND */ 139 140 *(u_int32_t*)&flags = device_get_flags(dev); 141 142 error = sbni_attach(sc, device_get_unit(dev) * 2, flags); 143 if (error) { 144 device_printf(dev, "cannot initialize driver\n"); 145 sbni_release_resources(sc); 146 return (error); 147 } 148 149 if (sc->irq_res) { 150 error = bus_setup_intr( 151 dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, 152 NULL, sbni_intr, sc, &sc->irq_handle); 153 if (error) { 154 device_printf(dev, "bus_setup_intr\n"); 155 sbni_detach(sc); 156 sbni_release_resources(sc); 157 return (error); 158 } 159 } 160 161 return (0); 162 } 163 164 DRIVER_MODULE(sbni, isa, sbni_isa_driver, 0, 0); 165 MODULE_DEPEND(sbni, isa, 1, 1, 1); 166 ISA_PNP_INFO(sbni_ids); 167