1 /* $OpenBSD: if_rl_pci.c,v 1.27 2013/08/07 01:06:36 bluhm 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/ip.h> 55 #include <netinet/if_ether.h> 56 #endif 57 58 #include <net/if_media.h> 59 60 #if NBPFILTER > 0 61 #include <net/bpf.h> 62 #endif 63 64 #include <machine/bus.h> 65 66 #include <dev/mii/mii.h> 67 #include <dev/mii/miivar.h> 68 #include <dev/pci/pcireg.h> 69 #include <dev/pci/pcivar.h> 70 #include <dev/pci/pcidevs.h> 71 72 /* 73 * Default to using PIO access for this driver. On SMP systems, 74 * there appear to be problems with memory mapped mode: it looks like 75 * doing too many memory mapped access back to back in rapid succession 76 * can hang the bus. I'm inclined to blame this on crummy design/construction 77 * on the part of RealTek. Memory mapped mode does appear to work on 78 * uniprocessor systems though. 79 */ 80 #define RL_USEIOSPACE 81 82 #include <dev/ic/rtl81x9reg.h> 83 84 int rl_pci_match(struct device *, void *, void *); 85 void rl_pci_attach(struct device *, struct device *, void *); 86 int rl_pci_detach(struct device *, int); 87 88 struct rl_pci_softc { 89 struct rl_softc psc_softc; 90 pci_chipset_tag_t psc_pc; 91 bus_size_t psc_mapsize; 92 }; 93 94 struct cfattach rl_pci_ca = { 95 sizeof(struct rl_pci_softc), rl_pci_match, rl_pci_attach, rl_pci_detach, 96 rl_activate 97 }; 98 99 const struct pci_matchid rl_pci_devices[] = { 100 { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2000VX }, 101 { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 }, 102 { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 }, 103 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_2CB_TXD }, 104 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_CB_TXD }, 105 { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 }, 106 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE520TX_C1 }, 107 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE530TXPLUS }, 108 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE690TXD }, 109 { PCI_VENDOR_DLINK2, PCI_PRODUCT_DLINK2_DFE530TXPLUS2 }, 110 { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 }, 111 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3603_TX }, 112 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3800_TX }, 113 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 }, 114 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8138 }, 115 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139D } 116 }; 117 118 int 119 rl_pci_match(struct device *parent, void *match, void *aux) 120 { 121 struct pci_attach_args *pa = aux; 122 123 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK && 124 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 && 125 PCI_REVISION(pa->pa_class) == 0x10) 126 return (1); 127 128 return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices, 129 nitems(rl_pci_devices))); 130 } 131 132 void 133 rl_pci_attach(struct device *parent, struct device *self, void *aux) 134 { 135 struct rl_pci_softc *psc = (void *)self; 136 struct rl_softc *sc = &psc->psc_softc; 137 struct pci_attach_args *pa = aux; 138 pci_chipset_tag_t pc = pa->pa_pc; 139 pci_intr_handle_t ih; 140 const char *intrstr = NULL; 141 142 /* 143 * Map control/status registers. 144 */ 145 146 #ifdef RL_USEIOSPACE 147 if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, 148 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)) { 149 printf(": can't map i/o space\n"); 150 return; 151 } 152 #else 153 if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, 154 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)){ 155 printf(": can't map mem space\n"); 156 return; 157 } 158 #endif 159 160 /* 161 * Allocate our interrupt. 162 */ 163 if (pci_intr_map(pa, &ih)) { 164 printf(": couldn't map interrupt\n"); 165 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 166 return; 167 } 168 169 psc->psc_pc = pa->pa_pc; 170 intrstr = pci_intr_string(pc, ih); 171 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc, 172 self->dv_xname); 173 if (sc->sc_ih == NULL) { 174 printf(": couldn't establish interrupt"); 175 if (intrstr != NULL) 176 printf(" at %s", intrstr); 177 printf("\n"); 178 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 179 return; 180 } 181 printf(": %s", intrstr); 182 183 sc->sc_dmat = pa->pa_dmat; 184 185 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8129) 186 sc->rl_type = RL_8129; 187 else 188 sc->rl_type = RL_8139; 189 190 rl_attach(sc); 191 } 192 193 int 194 rl_pci_detach(struct device *self, int flags) 195 { 196 struct rl_pci_softc *psc = (void *)self; 197 struct rl_softc *sc = &psc->psc_softc; 198 int rv; 199 200 rv = rl_detach(sc); 201 if (rv) 202 return (rv); 203 204 if (sc->sc_ih != NULL) 205 pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 206 207 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 208 209 return (0); 210 } 211