Annotation of sys/dev/pci/if_rl_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_rl_pci.c,v 1.14 2006/05/23 00:41:50 brad Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1997, 1998
! 5: * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by Bill Paul.
! 18: * 4. Neither the name of the author nor the names of any co-contributors
! 19: * may be used to endorse or promote products derived from this software
! 20: * without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
! 23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 25: * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
! 26: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 27: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 28: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 29: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 30: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 31: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 32: * THE POSSIBILITY OF SUCH DAMAGE.
! 33: */
! 34:
! 35: #include "bpfilter.h"
! 36:
! 37: #include <sys/param.h>
! 38: #include <sys/systm.h>
! 39: #include <sys/sockio.h>
! 40: #include <sys/mbuf.h>
! 41: #include <sys/malloc.h>
! 42: #include <sys/kernel.h>
! 43: #include <sys/socket.h>
! 44: #include <sys/device.h>
! 45: #include <sys/timeout.h>
! 46:
! 47: #include <net/if.h>
! 48: #include <net/if_dl.h>
! 49: #include <net/if_types.h>
! 50:
! 51: #ifdef INET
! 52: #include <netinet/in.h>
! 53: #include <netinet/in_systm.h>
! 54: #include <netinet/in_var.h>
! 55: #include <netinet/ip.h>
! 56: #include <netinet/if_ether.h>
! 57: #endif
! 58:
! 59: #include <net/if_media.h>
! 60:
! 61: #if NBPFILTER > 0
! 62: #include <net/bpf.h>
! 63: #endif
! 64:
! 65: #include <machine/bus.h>
! 66:
! 67: #include <dev/mii/mii.h>
! 68: #include <dev/mii/miivar.h>
! 69: #include <dev/pci/pcireg.h>
! 70: #include <dev/pci/pcivar.h>
! 71: #include <dev/pci/pcidevs.h>
! 72:
! 73: /*
! 74: * Default to using PIO access for this driver. On SMP systems,
! 75: * there appear to be problems with memory mapped mode: it looks like
! 76: * doing too many memory mapped access back to back in rapid succession
! 77: * can hang the bus. I'm inclined to blame this on crummy design/construction
! 78: * on the part of RealTek. Memory mapped mode does appear to work on
! 79: * uniprocessor systems though.
! 80: */
! 81: #define RL_USEIOSPACE
! 82:
! 83: #include <dev/ic/rtl81x9reg.h>
! 84:
! 85: int rl_pci_match(struct device *, void *, void *);
! 86: void rl_pci_attach(struct device *, struct device *, void *);
! 87:
! 88: struct cfattach rl_pci_ca = {
! 89: sizeof(struct rl_softc), rl_pci_match, rl_pci_attach,
! 90: };
! 91:
! 92: const struct pci_matchid rl_pci_devices[] = {
! 93: { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 },
! 94: { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 },
! 95: { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 },
! 96: { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_530TXPLUS },
! 97: { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 },
! 98: { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 }
! 99: };
! 100:
! 101: int
! 102: rl_pci_match(parent, match, aux)
! 103: struct device *parent;
! 104: void *match;
! 105: void *aux;
! 106: {
! 107: struct pci_attach_args *pa = aux;
! 108:
! 109: if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK &&
! 110: PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 &&
! 111: PCI_REVISION(pa->pa_class) == 0x10)
! 112: return (1);
! 113:
! 114: return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices,
! 115: sizeof(rl_pci_devices)/sizeof(rl_pci_devices[0])));
! 116: }
! 117:
! 118: void
! 119: rl_pci_attach(parent, self, aux)
! 120: struct device *parent, *self;
! 121: void *aux;
! 122: {
! 123: struct rl_softc *sc = (struct rl_softc *)self;
! 124: struct pci_attach_args *pa = aux;
! 125: pci_chipset_tag_t pc = pa->pa_pc;
! 126: pci_intr_handle_t ih;
! 127: const char *intrstr = NULL;
! 128: bus_size_t size;
! 129:
! 130: /*
! 131: * Map control/status registers.
! 132: */
! 133:
! 134: #ifdef RL_USEIOSPACE
! 135: if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0,
! 136: &sc->rl_btag, &sc->rl_bhandle, NULL, &size, 0)) {
! 137: printf(": can't map i/o space\n");
! 138: return;
! 139: }
! 140: #else
! 141: if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0,
! 142: &sc->rl_btag, &sc->rl_bhandle, NULL, &size, 0)){
! 143: printf(": can't map mem space\n");
! 144: return;
! 145: }
! 146: #endif
! 147:
! 148: /*
! 149: * Allocate our interrupt.
! 150: */
! 151: if (pci_intr_map(pa, &ih)) {
! 152: printf(": couldn't map interrupt\n");
! 153: bus_space_unmap(sc->rl_btag, sc->rl_bhandle, size);
! 154: return;
! 155: }
! 156:
! 157: intrstr = pci_intr_string(pc, ih);
! 158: sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc,
! 159: self->dv_xname);
! 160: if (sc->sc_ih == NULL) {
! 161: printf(": couldn't establish interrupt");
! 162: if (intrstr != NULL)
! 163: printf(" at %s", intrstr);
! 164: printf("\n");
! 165: bus_space_unmap(sc->rl_btag, sc->rl_bhandle, size);
! 166: return;
! 167: }
! 168: printf(": %s", intrstr);
! 169:
! 170: sc->sc_dmat = pa->pa_dmat;
! 171:
! 172: rl_attach(sc);
! 173: }
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