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 #include <sys/param.h> 29 #include <sys/systm.h> 30 #include <sys/socket.h> 31 #include <sys/bus.h> 32 #include <sys/kernel.h> 33 #include <sys/module.h> 34 #include <machine/bus.h> 35 #include <machine/resource.h> 36 #include <sys/rman.h> 37 #include <sys/malloc.h> 38 39 #include <net/if.h> 40 #include <net/ethernet.h> 41 #include <net/if_arp.h> 42 43 #include <dev/pci/pcivar.h> 44 #include <dev/pci/pcireg.h> 45 46 #include <dev/sbni/if_sbnireg.h> 47 #include <dev/sbni/if_sbnivar.h> 48 49 static int sbni_pci_probe(device_t); 50 static int sbni_pci_attach(device_t); 51 static int sbni_pci_detach(device_t); 52 53 static device_method_t sbni_pci_methods[] = { 54 /* Device interface */ 55 DEVMETHOD(device_probe, sbni_pci_probe), 56 DEVMETHOD(device_attach, sbni_pci_attach), 57 DEVMETHOD(device_detach, sbni_pci_detach), 58 { 0, 0 } 59 }; 60 61 static driver_t sbni_pci_driver = { 62 "sbni", 63 sbni_pci_methods, 64 sizeof(struct sbni_softc) 65 }; 66 67 DRIVER_MODULE(sbni, pci, sbni_pci_driver, 0, 0); 68 MODULE_DEPEND(sbni, pci, 1, 1, 1); 69 70 static int 71 sbni_pci_probe(device_t dev) 72 { 73 struct sbni_softc *sc; 74 75 if (pci_get_vendor(dev) != SBNI_PCI_VENDOR || 76 pci_get_device(dev) != SBNI_PCI_DEVICE) 77 return (ENXIO); 78 79 sc = device_get_softc(dev); 80 if (pci_get_subdevice(dev) == 2) { 81 sc->slave_sc = malloc(sizeof(struct sbni_softc), 82 M_DEVBUF, M_NOWAIT | M_ZERO); 83 if (!sc->slave_sc) 84 return (ENOMEM); 85 device_set_desc(dev, "Granch SBNI12/PCI Dual adapter"); 86 } else 87 device_set_desc(dev, "Granch SBNI12/PCI adapter"); 88 89 sc->io_rid = PCIR_BAR(0); 90 sc->io_res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 91 &sc->io_rid, RF_ACTIVE); 92 if (!sc->io_res) { 93 device_printf(dev, "cannot allocate io ports!\n"); 94 if (sc->slave_sc) 95 free(sc->slave_sc, M_DEVBUF); 96 return (ENOENT); 97 } 98 99 if (sc->slave_sc) { 100 sc->slave_sc->io_res = sc->io_res; 101 sc->slave_sc->io_off = 4; 102 } 103 if (sbni_probe(sc) != 0) { 104 sbni_release_resources(sc); 105 if (sc->slave_sc) 106 free(sc->slave_sc, M_DEVBUF); 107 return (ENXIO); 108 } 109 110 return (0); 111 } 112 113 static int 114 sbni_pci_attach(device_t dev) 115 { 116 struct sbni_softc *sc; 117 struct sbni_flags flags; 118 int error; 119 120 sc = device_get_softc(dev); 121 sc->dev = dev; 122 123 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 124 RF_SHAREABLE); 125 126 if (sc->irq_res == NULL) { 127 device_printf(dev, "cannot claim irq!\n"); 128 error = ENOENT; 129 goto attach_failed; 130 } 131 132 memset(&flags, 0, sizeof(flags)); 133 134 error = sbni_attach(sc, device_get_unit(dev) * 2, flags); 135 if (error) { 136 device_printf(dev, "cannot initialize driver\n"); 137 goto attach_failed; 138 } 139 if (sc->slave_sc) { 140 error = sbni_attach(sc->slave_sc, device_get_unit(dev) * 2 + 1, 141 flags); 142 if (error) { 143 device_printf(dev, "cannot initialize slave\n"); 144 sbni_detach(sc); 145 goto attach_failed; 146 } 147 } 148 149 if (sc->irq_res) { 150 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | 151 INTR_MPSAFE, NULL, sbni_intr, sc, &sc->irq_handle); 152 if (error) { 153 device_printf(dev, "bus_setup_intr\n"); 154 sbni_detach(sc); 155 if (sc->slave_sc) 156 sbni_detach(sc); 157 goto attach_failed; 158 } 159 } 160 return (0); 161 162 attach_failed: 163 sbni_release_resources(sc); 164 if (sc->slave_sc) 165 free(sc->slave_sc, M_DEVBUF); 166 return (error); 167 } 168 169 static int 170 sbni_pci_detach(device_t dev) 171 { 172 struct sbni_softc *sc; 173 174 sc = device_get_softc(dev); 175 sbni_detach(sc); 176 if (sc->slave_sc) 177 sbni_detach(sc); 178 179 sbni_release_resources(sc); 180 if (sc->slave_sc) 181 free(sc->slave_sc, M_DEVBUF); 182 return (0); 183 } 184