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 u_int32_t ports; 80 81 ports = SBNI_PORTS; 82 if (pci_get_vendor(dev) != SBNI_PCI_VENDOR || 83 pci_get_device(dev) != SBNI_PCI_DEVICE) 84 return (ENXIO); 85 86 sc = device_get_softc(dev); 87 if (pci_get_subdevice(dev) == 2) { 88 ports <<= 1; 89 sc->slave_sc = malloc(sizeof(struct sbni_softc), 90 M_DEVBUF, M_NOWAIT | M_ZERO); 91 if (!sc->slave_sc) 92 return (ENOMEM); 93 device_set_desc(dev, "Granch SBNI12/PCI Dual adapter"); 94 } else 95 device_set_desc(dev, "Granch SBNI12/PCI adapter"); 96 97 sc->io_rid = PCIR_BAR(0); 98 sc->io_res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 99 &sc->io_rid, RF_ACTIVE); 100 if (!sc->io_res) { 101 device_printf(dev, "cannot allocate io ports!\n"); 102 if (sc->slave_sc) 103 free(sc->slave_sc, M_DEVBUF); 104 return (ENOENT); 105 } 106 107 if (sc->slave_sc) { 108 sc->slave_sc->io_res = sc->io_res; 109 sc->slave_sc->io_off = 4; 110 } 111 if (sbni_probe(sc) != 0) { 112 sbni_release_resources(sc); 113 if (sc->slave_sc) 114 free(sc->slave_sc, M_DEVBUF); 115 return (ENXIO); 116 } 117 118 return (0); 119 } 120 121 static int 122 sbni_pci_attach(device_t dev) 123 { 124 struct sbni_softc *sc; 125 struct sbni_flags flags; 126 int error; 127 128 sc = device_get_softc(dev); 129 sc->dev = dev; 130 131 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 132 RF_SHAREABLE); 133 134 if (sc->irq_res == NULL) { 135 device_printf(dev, "cannot claim irq!\n"); 136 error = ENOENT; 137 goto attach_failed; 138 } 139 140 *(u_int32_t*)&flags = 0; 141 142 error = sbni_attach(sc, device_get_unit(dev) * 2, flags); 143 if (error) { 144 device_printf(dev, "cannot initialize driver\n"); 145 goto attach_failed; 146 } 147 if (sc->slave_sc) { 148 error = sbni_attach(sc->slave_sc, device_get_unit(dev) * 2 + 1, 149 flags); 150 if (error) { 151 device_printf(dev, "cannot initialize slave\n"); 152 sbni_detach(sc); 153 goto attach_failed; 154 } 155 } 156 157 if (sc->irq_res) { 158 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | 159 INTR_MPSAFE, NULL, sbni_intr, sc, &sc->irq_handle); 160 if (error) { 161 device_printf(dev, "bus_setup_intr\n"); 162 sbni_detach(sc); 163 if (sc->slave_sc) 164 sbni_detach(sc); 165 goto attach_failed; 166 } 167 } 168 return (0); 169 170 attach_failed: 171 sbni_release_resources(sc); 172 if (sc->slave_sc) 173 free(sc->slave_sc, M_DEVBUF); 174 return (error); 175 } 176 177 static int 178 sbni_pci_detach(device_t dev) 179 { 180 struct sbni_softc *sc; 181 182 sc = device_get_softc(dev); 183 sbni_detach(sc); 184 if (sc->slave_sc) 185 sbni_detach(sc); 186 187 sbni_release_resources(sc); 188 if (sc->slave_sc) 189 free(sc->slave_sc, M_DEVBUF); 190 return (0); 191 } 192