1/* $OpenBSD: if_rl_pci.c,v 1.35 2024/05/24 06:02:56 jsg 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 <sys/param.h> 36#include <sys/systm.h> 37#include <sys/device.h> 38#include <sys/timeout.h> 39 40#include <net/if.h> 41 42#include <netinet/in.h> 43#include <netinet/if_ether.h> 44 45#include <net/if_media.h> 46 47#include <machine/bus.h> 48 49#include <dev/mii/miivar.h> 50#include <dev/pci/pcireg.h> 51#include <dev/pci/pcivar.h> 52#include <dev/pci/pcidevs.h> 53 54/* 55 * Default to using PIO access for this driver. On SMP systems, 56 * there appear to be problems with memory mapped mode: it looks like 57 * doing too many memory mapped access back to back in rapid succession 58 * can hang the bus. I'm inclined to blame this on crummy design/construction 59 * on the part of Realtek. Memory mapped mode does appear to work on 60 * uniprocessor systems though. 61 */ 62#define RL_USEIOSPACE 63 64#include <dev/ic/rtl81x9reg.h> 65 66int rl_pci_match(struct device *, void *, void *); 67void rl_pci_attach(struct device *, struct device *, void *); 68int rl_pci_detach(struct device *, int); 69 70struct rl_pci_softc { 71 struct rl_softc psc_softc; 72 pci_chipset_tag_t psc_pc; 73 bus_size_t psc_mapsize; 74}; 75 76const struct cfattach rl_pci_ca = { 77 sizeof(struct rl_pci_softc), rl_pci_match, rl_pci_attach, rl_pci_detach, 78 rl_activate 79}; 80 81const struct pci_matchid rl_pci_devices[] = { 82 { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2000VX }, 83 { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 }, 84 { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 }, 85 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_2CB_TXD }, 86 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_CB_TXD }, 87 { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 }, 88 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE520TX_C1 }, 89 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE530TXPLUS }, 90 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE690TXD }, 91 { PCI_VENDOR_DLINK2, PCI_PRODUCT_DLINK2_DFE530TXPLUS2 }, 92 { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 }, 93 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3603_TX }, 94 { PCI_VENDOR_PLANEX, PCI_PRODUCT_PLANEX_FNW_3800_TX }, 95 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 }, 96 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8138 }, 97 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139D } 98}; 99 100int 101rl_pci_match(struct device *parent, void *match, void *aux) 102{ 103 struct pci_attach_args *pa = aux; 104 105 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK && 106 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 && 107 PCI_REVISION(pa->pa_class) == 0x10) 108 return (1); 109 110 return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices, 111 nitems(rl_pci_devices))); 112} 113 114void 115rl_pci_attach(struct device *parent, struct device *self, void *aux) 116{ 117 struct rl_pci_softc *psc = (void *)self; 118 struct rl_softc *sc = &psc->psc_softc; 119 struct pci_attach_args *pa = aux; 120 pci_chipset_tag_t pc = pa->pa_pc; 121 pci_intr_handle_t ih; 122 const char *intrstr = NULL; 123 124 /* 125 * Map control/status registers. 126 */ 127 128#ifdef RL_USEIOSPACE 129 if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, 130 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)) { 131 printf(": can't map i/o space\n"); 132 return; 133 } 134#else 135 if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, 136 &sc->rl_btag, &sc->rl_bhandle, NULL, &psc->psc_mapsize, 0)){ 137 printf(": can't map mem space\n"); 138 return; 139 } 140#endif 141 142 /* 143 * Allocate our interrupt. 144 */ 145 if (pci_intr_map(pa, &ih)) { 146 printf(": couldn't map interrupt\n"); 147 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 148 return; 149 } 150 151 psc->psc_pc = pa->pa_pc; 152 intrstr = pci_intr_string(pc, ih); 153 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc, 154 self->dv_xname); 155 if (sc->sc_ih == NULL) { 156 printf(": couldn't establish interrupt"); 157 if (intrstr != NULL) 158 printf(" at %s", intrstr); 159 printf("\n"); 160 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 161 return; 162 } 163 printf(": %s", intrstr); 164 165 sc->sc_dmat = pa->pa_dmat; 166 167 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8129) 168 sc->rl_type = RL_8129; 169 else 170 sc->rl_type = RL_8139; 171 172 rl_attach(sc); 173} 174 175int 176rl_pci_detach(struct device *self, int flags) 177{ 178 struct rl_pci_softc *psc = (void *)self; 179 struct rl_softc *sc = &psc->psc_softc; 180 int rv; 181 182 rv = rl_detach(sc); 183 if (rv) 184 return (rv); 185 186 if (sc->sc_ih != NULL) 187 pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 188 189 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, psc->psc_mapsize); 190 191 return (0); 192} 193