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/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/socket.h> 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 #include <sys/malloc.h> 41 42 #include <net/if.h> 43 #include <net/ethernet.h> 44 #include <net/if_arp.h> 45 46 #include <dev/pci/pcivar.h> 47 #include <dev/pci/pcireg.h> 48 49 #include <dev/sbni/if_sbnireg.h> 50 #include <dev/sbni/if_sbnivar.h> 51 52 static int sbni_pci_probe(device_t); 53 static int sbni_pci_attach(device_t); 54 static int sbni_pci_detach(device_t); 55 56 static device_method_t sbni_pci_methods[] = { 57 /* Device interface */ 58 DEVMETHOD(device_probe, sbni_pci_probe), 59 DEVMETHOD(device_attach, sbni_pci_attach), 60 DEVMETHOD(device_detach, sbni_pci_detach), 61 { 0, 0 } 62 }; 63 64 static driver_t sbni_pci_driver = { 65 "sbni", 66 sbni_pci_methods, 67 sizeof(struct sbni_softc) 68 }; 69 70 static devclass_t sbni_pci_devclass; 71 72 DRIVER_MODULE(sbni, pci, sbni_pci_driver, sbni_pci_devclass, 0, 0); 73 MODULE_DEPEND(sbni, pci, 1, 1, 1); 74 75 static int 76 sbni_pci_probe(device_t dev) 77 { 78 struct sbni_softc *sc; 79 80 if (pci_get_vendor(dev) != SBNI_PCI_VENDOR || 81 pci_get_device(dev) != SBNI_PCI_DEVICE) 82 return (ENXIO); 83 84 sc = device_get_softc(dev); 85 if (pci_get_subdevice(dev) == 2) { 86 sc->slave_sc = malloc(sizeof(struct sbni_softc), 87 M_DEVBUF, M_NOWAIT | M_ZERO); 88 if (!sc->slave_sc) 89 return (ENOMEM); 90 device_set_desc(dev, "Granch SBNI12/PCI Dual adapter"); 91 } else 92 device_set_desc(dev, "Granch SBNI12/PCI adapter"); 93 94 sc->io_rid = PCIR_BAR(0); 95 sc->io_res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 96 &sc->io_rid, RF_ACTIVE); 97 if (!sc->io_res) { 98 device_printf(dev, "cannot allocate io ports!\n"); 99 if (sc->slave_sc) 100 free(sc->slave_sc, M_DEVBUF); 101 return (ENOENT); 102 } 103 104 if (sc->slave_sc) { 105 sc->slave_sc->io_res = sc->io_res; 106 sc->slave_sc->io_off = 4; 107 } 108 if (sbni_probe(sc) != 0) { 109 sbni_release_resources(sc); 110 if (sc->slave_sc) 111 free(sc->slave_sc, M_DEVBUF); 112 return (ENXIO); 113 } 114 115 return (0); 116 } 117 118 static int 119 sbni_pci_attach(device_t dev) 120 { 121 struct sbni_softc *sc; 122 struct sbni_flags flags; 123 int error; 124 125 sc = device_get_softc(dev); 126 sc->dev = dev; 127 128 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 129 RF_SHAREABLE); 130 131 if (sc->irq_res == NULL) { 132 device_printf(dev, "cannot claim irq!\n"); 133 error = ENOENT; 134 goto attach_failed; 135 } 136 137 memset(&flags, 0, sizeof(flags)); 138 139 error = sbni_attach(sc, device_get_unit(dev) * 2, flags); 140 if (error) { 141 device_printf(dev, "cannot initialize driver\n"); 142 goto attach_failed; 143 } 144 if (sc->slave_sc) { 145 error = sbni_attach(sc->slave_sc, device_get_unit(dev) * 2 + 1, 146 flags); 147 if (error) { 148 device_printf(dev, "cannot initialize slave\n"); 149 sbni_detach(sc); 150 goto attach_failed; 151 } 152 } 153 154 if (sc->irq_res) { 155 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | 156 INTR_MPSAFE, NULL, sbni_intr, sc, &sc->irq_handle); 157 if (error) { 158 device_printf(dev, "bus_setup_intr\n"); 159 sbni_detach(sc); 160 if (sc->slave_sc) 161 sbni_detach(sc); 162 goto attach_failed; 163 } 164 } 165 return (0); 166 167 attach_failed: 168 sbni_release_resources(sc); 169 if (sc->slave_sc) 170 free(sc->slave_sc, M_DEVBUF); 171 return (error); 172 } 173 174 static int 175 sbni_pci_detach(device_t dev) 176 { 177 struct sbni_softc *sc; 178 179 sc = device_get_softc(dev); 180 sbni_detach(sc); 181 if (sc->slave_sc) 182 sbni_detach(sc); 183 184 sbni_release_resources(sc); 185 if (sc->slave_sc) 186 free(sc->slave_sc, M_DEVBUF); 187 return (0); 188 } 189