Annotation of sys/dev/pci/if_ep_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_ep_pci.c,v 1.27 2006/06/17 18:00:43 brad Exp $ */
! 2: /* $NetBSD: if_ep_pci.c,v 1.13 1996/10/21 22:56:38 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed by Herb Peyerl.
! 19: * 4. The name of Herb Peyerl may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34: #include "bpfilter.h"
! 35:
! 36: #include <sys/param.h>
! 37: #include <sys/systm.h>
! 38: #include <sys/mbuf.h>
! 39: #include <sys/socket.h>
! 40: #include <sys/ioctl.h>
! 41: #include <sys/errno.h>
! 42: #include <sys/timeout.h>
! 43: #include <sys/syslog.h>
! 44: #include <sys/selinfo.h>
! 45: #include <sys/device.h>
! 46:
! 47: #include <net/if.h>
! 48: #include <net/if_dl.h>
! 49: #include <net/if_types.h>
! 50: #include <net/if_media.h>
! 51:
! 52: #ifdef INET
! 53: #include <netinet/in.h>
! 54: #include <netinet/in_systm.h>
! 55: #include <netinet/in_var.h>
! 56: #include <netinet/ip.h>
! 57: #include <netinet/if_ether.h>
! 58: #endif
! 59:
! 60: #if NBPFILTER > 0
! 61: #include <net/bpf.h>
! 62: #endif
! 63:
! 64: #include <machine/cpu.h>
! 65: #include <machine/bus.h>
! 66: #include <machine/intr.h>
! 67:
! 68: #include <dev/mii/mii.h>
! 69: #include <dev/mii/miivar.h>
! 70:
! 71: #include <dev/ic/elink3var.h>
! 72: #include <dev/ic/elink3reg.h>
! 73:
! 74: #include <dev/pci/pcivar.h>
! 75: #include <dev/pci/pcireg.h>
! 76: #include <dev/pci/pcidevs.h>
! 77:
! 78: /*
! 79: * PCI constants.
! 80: * XXX These should be in a common file!
! 81: */
! 82: #define PCI_CONN 0x48 /* Connector type */
! 83: #define PCI_CBIO 0x10 /* Configuration Base IO Address */
! 84:
! 85: int ep_pci_match(struct device *, void *, void *);
! 86: void ep_pci_attach(struct device *, struct device *, void *);
! 87:
! 88: struct cfattach ep_pci_ca = {
! 89: sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
! 90: };
! 91:
! 92: const struct pci_matchid ep_pci_devices[] = {
! 93: { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C590 },
! 94: { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595MII },
! 95: { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595T4 },
! 96: { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595TX },
! 97: };
! 98:
! 99: int
! 100: ep_pci_match(parent, match, aux)
! 101: struct device *parent;
! 102: void *match, *aux;
! 103: {
! 104: return (pci_matchbyid((struct pci_attach_args *)aux, ep_pci_devices,
! 105: sizeof(ep_pci_devices)/sizeof(ep_pci_devices[0])));
! 106: }
! 107:
! 108: void
! 109: ep_pci_attach(parent, self, aux)
! 110: struct device *parent, *self;
! 111: void *aux;
! 112: {
! 113: struct ep_softc *sc = (void *)self;
! 114: struct pci_attach_args *pa = aux;
! 115: pci_chipset_tag_t pc = pa->pa_pc;
! 116: bus_size_t iosize;
! 117: pci_intr_handle_t ih;
! 118: pcireg_t i;
! 119: const char *intrstr = NULL;
! 120:
! 121: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
! 122: &sc->sc_iot, &sc->sc_ioh, NULL, &iosize, 0)) {
! 123: printf(": can't map i/o space\n");
! 124: return;
! 125: }
! 126:
! 127: sc->bustype = EP_BUS_PCI;
! 128:
! 129: i = pci_conf_read(pc, pa->pa_tag, PCI_CONN);
! 130:
! 131: GO_WINDOW(0);
! 132:
! 133: printf(":");
! 134:
! 135: epconfig(sc, EP_CHIPSET_VORTEX, NULL);
! 136:
! 137: /* Map and establish the interrupt. */
! 138: if (pci_intr_map(pa, &ih)) {
! 139: printf(", couldn't map interrupt\n");
! 140: bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
! 141: return;
! 142: }
! 143: intrstr = pci_intr_string(pc, ih);
! 144: sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr,
! 145: sc, sc->sc_dev.dv_xname);
! 146: if (sc->sc_ih == NULL) {
! 147: printf(": couldn't establish interrupt");
! 148: if (intrstr != NULL)
! 149: printf(" at %s", intrstr);
! 150: printf("\n");
! 151: bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
! 152: return;
! 153: }
! 154: printf(" %s\n", intrstr);
! 155: }
CVSweb