if_rl_pci.c revision 1.25
1/* $OpenBSD: if_rl_pci.c,v 1.25 2013/02/08 08:00:34 jasper 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 85int rl_pci_match(struct device *, void *, void *); 86void rl_pci_attach(struct device *, struct device *, void *); 87int rl_pci_detach(struct device *, int); 88 89struct rl_pci_softc { 90 struct rl_softc psc_softc; 91 pci_chipset_tag_t psc_pc; 92 bus_size_t psc_mapsize; 93}; 94 95struct cfattach rl_pci_ca = { 96 sizeof(struct rl_pci_softc), rl_pci_match, rl_pci_attach, rl_pci_detach, 97 rl_activate 98}; 99 100const struct pci_matchid rl_pci_devices[] = { 101 { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2000VX }, 102 { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 }, 103 { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 }, 104 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_2CB_TXD }, 105 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_CB_TXD }, 106 { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 }, 107 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE520TX_C1 }, 108 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE530TXPLUS }, 109 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE690TXD }, 110 { PCI_VENDOR_DLINK2, PCI_PRODUCT_DLINK2_DFE530TXPLUS2 }, 111 { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 }, 112 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3603_TX }, 113 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3800_TX }, 114 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 }, 115 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8138 }, 116 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139D } 117}; 118 119int 120rl_pci_match(struct device *parent, void *match, void *aux) 121{ 122 struct pci_attach_args *pa = aux; 123 124 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK && 125 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 && 126 PCI_REVISION(pa->pa_class) == 0x10) 127 return (1); 128 129 return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices, 130 nitems(rl_pci_devices))); 131} 132 133void 134rl_pci_attach(struct device *parent, struct device *self, void *aux) 135{ 136 struct rl_pci_softc *psc = (void *)self; 137 struct rl_softc *sc = &psc->psc_softc; 138 struct pci_attach_args *pa = aux; 139 pci_chipset_tag_t pc = pa->pa_pc; 140 pci_intr_handle_t ih; 141 const char *intrstr = NULL; 142 143 /* 144 * Map control/status registers. 145 */ 146 147#ifdef RL_USEIOSPACE 148 if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, 149 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)) { 150 printf(": can't map i/o space\n"); 151 return; 152 } 153#else 154 if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, 155 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)){ 156 printf(": can't map mem space\n"); 157 return; 158 } 159#endif 160 161 /* 162 * Allocate our interrupt. 163 */ 164 if (pci_intr_map(pa, &ih)) { 165 printf(": couldn't map interrupt\n"); 166 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 167 return; 168 } 169 170 psc->psc_pc = pa->pa_pc; 171 intrstr = pci_intr_string(pc, ih); 172 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc, 173 self->dv_xname); 174 if (sc->sc_ih == NULL) { 175 printf(": couldn't establish interrupt"); 176 if (intrstr != NULL) 177 printf(" at %s", intrstr); 178 printf("\n"); 179 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 180 return; 181 } 182 printf(": %s", intrstr); 183 184 sc->sc_dmat = pa->pa_dmat; 185 186 rl_attach(sc); 187} 188 189int 190rl_pci_detach(struct device *self, int flags) 191{ 192 struct rl_pci_softc *psc = (void *)self; 193 struct rl_softc *sc = &psc->psc_softc; 194 int rv; 195 196 rv = rl_detach(sc); 197 if (rv) 198 return (rv); 199 200 if (sc->sc_ih != NULL) 201 pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 202 203 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 204 205 return (0); 206} 207