if_rl_pci.c revision 1.29
1/* $OpenBSD: if_rl_pci.c,v 1.29 2014/11/24 02:03:37 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/if_ether.h> 54#endif 55 56#include <net/if_media.h> 57 58#if NBPFILTER > 0 59#include <net/bpf.h> 60#endif 61 62#include <machine/bus.h> 63 64#include <dev/mii/mii.h> 65#include <dev/mii/miivar.h> 66#include <dev/pci/pcireg.h> 67#include <dev/pci/pcivar.h> 68#include <dev/pci/pcidevs.h> 69 70/* 71 * Default to using PIO access for this driver. On SMP systems, 72 * there appear to be problems with memory mapped mode: it looks like 73 * doing too many memory mapped access back to back in rapid succession 74 * can hang the bus. I'm inclined to blame this on crummy design/construction 75 * on the part of Realtek. Memory mapped mode does appear to work on 76 * uniprocessor systems though. 77 */ 78#define RL_USEIOSPACE 79 80#include <dev/ic/rtl81x9reg.h> 81 82int rl_pci_match(struct device *, void *, void *); 83void rl_pci_attach(struct device *, struct device *, void *); 84int rl_pci_detach(struct device *, int); 85 86struct rl_pci_softc { 87 struct rl_softc psc_softc; 88 pci_chipset_tag_t psc_pc; 89 bus_size_t psc_mapsize; 90}; 91 92struct cfattach rl_pci_ca = { 93 sizeof(struct rl_pci_softc), rl_pci_match, rl_pci_attach, rl_pci_detach, 94 rl_activate 95}; 96 97const struct pci_matchid rl_pci_devices[] = { 98 { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2000VX }, 99 { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 }, 100 { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 }, 101 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_2CB_TXD }, 102 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_CB_TXD }, 103 { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 }, 104 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE520TX_C1 }, 105 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE530TXPLUS }, 106 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE690TXD }, 107 { PCI_VENDOR_DLINK2, PCI_PRODUCT_DLINK2_DFE530TXPLUS2 }, 108 { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 }, 109 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3603_TX }, 110 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3800_TX }, 111 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 }, 112 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8138 }, 113 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139D } 114}; 115 116int 117rl_pci_match(struct device *parent, void *match, void *aux) 118{ 119 struct pci_attach_args *pa = aux; 120 121 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK && 122 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 && 123 PCI_REVISION(pa->pa_class) == 0x10) 124 return (1); 125 126 return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices, 127 nitems(rl_pci_devices))); 128} 129 130void 131rl_pci_attach(struct device *parent, struct device *self, void *aux) 132{ 133 struct rl_pci_softc *psc = (void *)self; 134 struct rl_softc *sc = &psc->psc_softc; 135 struct pci_attach_args *pa = aux; 136 pci_chipset_tag_t pc = pa->pa_pc; 137 pci_intr_handle_t ih; 138 const char *intrstr = NULL; 139 140 /* 141 * Map control/status registers. 142 */ 143 144#ifdef RL_USEIOSPACE 145 if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, 146 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)) { 147 printf(": can't map i/o space\n"); 148 return; 149 } 150#else 151 if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, 152 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)){ 153 printf(": can't map mem space\n"); 154 return; 155 } 156#endif 157 158 /* 159 * Allocate our interrupt. 160 */ 161 if (pci_intr_map(pa, &ih)) { 162 printf(": couldn't map interrupt\n"); 163 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 164 return; 165 } 166 167 psc->psc_pc = pa->pa_pc; 168 intrstr = pci_intr_string(pc, ih); 169 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc, 170 self->dv_xname); 171 if (sc->sc_ih == NULL) { 172 printf(": couldn't establish interrupt"); 173 if (intrstr != NULL) 174 printf(" at %s", intrstr); 175 printf("\n"); 176 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 177 return; 178 } 179 printf(": %s", intrstr); 180 181 sc->sc_dmat = pa->pa_dmat; 182 183 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8129) 184 sc->rl_type = RL_8129; 185 else 186 sc->rl_type = RL_8139; 187 188 rl_attach(sc); 189} 190 191int 192rl_pci_detach(struct device *self, int flags) 193{ 194 struct rl_pci_softc *psc = (void *)self; 195 struct rl_softc *sc = &psc->psc_softc; 196 int rv; 197 198 rv = rl_detach(sc); 199 if (rv) 200 return (rv); 201 202 if (sc->sc_ih != NULL) 203 pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 204 205 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 206 207 return (0); 208} 209