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 * $FreeBSD$ 28 */ 29 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/socket.h> 34 #include <sys/bus.h> 35 #include <sys/bus_private.h> 36 #include <sys/kernel.h> 37 #include <sys/module.h> 38 #include <machine/bus.h> 39 #include <machine/resource.h> 40 #include <sys/rman.h> 41 #include <sys/malloc.h> 42 43 #include <net/if.h> 44 #include <net/ethernet.h> 45 #include <net/if_arp.h> 46 47 #include <pci/pcivar.h> 48 #include <pci/pcireg.h> 49 50 #include <dev/sbni/if_sbnireg.h> 51 #include <dev/sbni/if_sbnivar.h> 52 53 static int sbni_pci_probe(device_t); 54 static int sbni_pci_attach(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 { 0, 0 } 61 }; 62 63 static driver_t sbni_pci_driver = { 64 "sbni", 65 sbni_pci_methods, 66 sizeof(struct sbni_softc) 67 }; 68 69 static devclass_t sbni_pci_devclass; 70 71 DRIVER_MODULE(sbni, pci, sbni_pci_driver, sbni_pci_devclass, 0, 0); 72 73 74 static int 75 sbni_pci_probe(device_t dev) 76 { 77 struct sbni_softc *sc; 78 u_int32_t ports; 79 80 ports = SBNI_PORTS; 81 if (pci_get_vendor(dev) != SBNI_PCI_VENDOR 82 || pci_get_device(dev) != SBNI_PCI_DEVICE) 83 return (ENXIO); 84 85 sc = device_get_softc(dev); 86 bzero(sc, sizeof(struct sbni_softc)); 87 if (pci_get_subdevice(dev) == 2) { 88 ports <<= 1; 89 sc->slave_sc = malloc(sizeof(struct sbni_softc), 90 M_DEVBUF, M_NOWAIT); 91 if (!sc->slave_sc) 92 return (ENOMEM); 93 bzero(sc->slave_sc, sizeof(struct sbni_softc)); 94 device_set_desc(dev, "Granch SBNI12/PCI Dual adapter"); 95 } else 96 device_set_desc(dev, "Granch SBNI12/PCI adapter"); 97 98 sc->io_rid = PCIR_MAPS; 99 sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid, 100 0ul, ~0ul, ports, RF_ACTIVE); 101 if (!sc->io_res) { 102 printf("sbni: cannot allocate io ports!\n"); 103 if (sc->slave_sc) 104 free(sc->slave_sc, M_DEVBUF); 105 return (ENOENT); 106 } 107 108 sc->base_addr = rman_get_start(sc->io_res); 109 if (sc->slave_sc) 110 sc->slave_sc->base_addr = sc->base_addr + 4; 111 if (sbni_probe(sc) != 0) { 112 bus_release_resource(dev, SYS_RES_IOPORT, 113 sc->io_rid, sc->io_res); 114 if (sc->slave_sc) 115 free(sc->slave_sc, M_DEVBUF); 116 return (ENXIO); 117 } 118 119 device_quiet(dev); 120 return (0); 121 } 122 123 static int 124 sbni_pci_attach(device_t dev) 125 { 126 struct sbni_softc *sc; 127 struct sbni_flags flags; 128 int error; 129 130 sc = device_get_softc(dev); 131 132 printf("sbni%d: <Granch SBNI12/PCI%sadapter> port 0x%x", 133 next_sbni_unit, sc->slave_sc ? " Dual " : " ", sc->base_addr); 134 sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 135 0ul, ~0ul, 1, RF_SHAREABLE); 136 137 if (sc->irq_res) { 138 printf(" irq %ld\n", rman_get_start(sc->irq_res)); 139 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, 140 sbni_intr, sc, &sc->irq_handle); 141 if (error) { 142 printf("sbni%d: bus_setup_intr\n", next_sbni_unit); 143 goto attach_failed; 144 } 145 } else { 146 printf("\nsbni%d: cannot claim irq!\n", next_sbni_unit); 147 error = ENOENT; 148 goto attach_failed; 149 } 150 151 *(u_int32_t*)&flags = 0; 152 153 sbni_attach(sc, next_sbni_unit++, flags); 154 if (sc->slave_sc) 155 sbni_attach(sc->slave_sc, next_sbni_unit++, flags); 156 return (0); 157 158 attach_failed: 159 bus_release_resource(dev, SYS_RES_IOPORT, sc->io_rid, sc->io_res); 160 if (sc->slave_sc) 161 free(sc->slave_sc, M_DEVBUF); 162 return (error); 163 } 164