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 55 static device_method_t sbni_pci_methods[] = { 56 /* Device interface */ 57 DEVMETHOD(device_probe, sbni_pci_probe), 58 DEVMETHOD(device_attach, sbni_pci_attach), 59 { 0, 0 } 60 }; 61 62 static driver_t sbni_pci_driver = { 63 "sbni", 64 sbni_pci_methods, 65 sizeof(struct sbni_softc) 66 }; 67 68 static devclass_t sbni_pci_devclass; 69 70 DRIVER_MODULE(sbni, pci, sbni_pci_driver, sbni_pci_devclass, 0, 0); 71 MODULE_DEPEND(sbni, pci, 1, 1, 1); 72 73 static int 74 sbni_pci_probe(device_t dev) 75 { 76 struct sbni_softc *sc; 77 u_int32_t ports; 78 79 ports = SBNI_PORTS; 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 bzero(sc, sizeof(struct sbni_softc)); 86 if (pci_get_subdevice(dev) == 2) { 87 ports <<= 1; 88 sc->slave_sc = malloc(sizeof(struct sbni_softc), 89 M_DEVBUF, M_NOWAIT | M_ZERO); 90 if (!sc->slave_sc) 91 return (ENOMEM); 92 device_set_desc(dev, "Granch SBNI12/PCI Dual adapter"); 93 } else 94 device_set_desc(dev, "Granch SBNI12/PCI adapter"); 95 96 sc->io_rid = PCIR_BAR(0); 97 sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid, 98 0ul, ~0ul, ports, RF_ACTIVE); 99 if (!sc->io_res) { 100 printf("sbni: cannot allocate io ports!\n"); 101 if (sc->slave_sc) 102 free(sc->slave_sc, M_DEVBUF); 103 return (ENOENT); 104 } 105 106 if (sc->slave_sc) { 107 sc->slave_sc->io_res = sc->io_res; 108 sc->slave_sc->io_off = 4; 109 } 110 if (sbni_probe(sc) != 0) { 111 bus_release_resource(dev, SYS_RES_IOPORT, 112 sc->io_rid, sc->io_res); 113 if (sc->slave_sc) 114 free(sc->slave_sc, M_DEVBUF); 115 return (ENXIO); 116 } 117 118 device_quiet(dev); 119 return (0); 120 } 121 122 static int 123 sbni_pci_attach(device_t dev) 124 { 125 struct sbni_softc *sc; 126 struct sbni_flags flags; 127 int error; 128 129 sc = device_get_softc(dev); 130 131 printf("sbni%d: <Granch SBNI12/PCI%sadapter> port 0x%lx", 132 next_sbni_unit, sc->slave_sc ? " Dual " : " ", 133 rman_get_start(sc->io_res)); 134 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 135 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 NULL, 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->irq_res) { 161 bus_release_resource( 162 dev, SYS_RES_IRQ, sc->irq_rid, sc->irq_res); 163 } 164 if (sc->slave_sc) 165 free(sc->slave_sc, M_DEVBUF); 166 return (error); 167 } 168