1 /* $OpenBSD: if_rl_pci.c,v 1.15 2008/08/13 03:47:16 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 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139D } 100 }; 101 102 int 103 rl_pci_match(parent, match, aux) 104 struct device *parent; 105 void *match; 106 void *aux; 107 { 108 struct pci_attach_args *pa = aux; 109 110 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK && 111 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 && 112 PCI_REVISION(pa->pa_class) == 0x10) 113 return (1); 114 115 return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices, 116 sizeof(rl_pci_devices)/sizeof(rl_pci_devices[0]))); 117 } 118 119 void 120 rl_pci_attach(parent, self, aux) 121 struct device *parent, *self; 122 void *aux; 123 { 124 struct rl_softc *sc = (struct rl_softc *)self; 125 struct pci_attach_args *pa = aux; 126 pci_chipset_tag_t pc = pa->pa_pc; 127 pci_intr_handle_t ih; 128 const char *intrstr = NULL; 129 bus_size_t size; 130 131 /* 132 * Map control/status registers. 133 */ 134 135 #ifdef RL_USEIOSPACE 136 if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, 137 &sc->rl_btag, &sc->rl_bhandle, NULL, &size, 0)) { 138 printf(": can't map i/o space\n"); 139 return; 140 } 141 #else 142 if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, 143 &sc->rl_btag, &sc->rl_bhandle, NULL, &size, 0)){ 144 printf(": can't map mem space\n"); 145 return; 146 } 147 #endif 148 149 /* 150 * Allocate our interrupt. 151 */ 152 if (pci_intr_map(pa, &ih)) { 153 printf(": couldn't map interrupt\n"); 154 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, size); 155 return; 156 } 157 158 intrstr = pci_intr_string(pc, ih); 159 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc, 160 self->dv_xname); 161 if (sc->sc_ih == NULL) { 162 printf(": couldn't establish interrupt"); 163 if (intrstr != NULL) 164 printf(" at %s", intrstr); 165 printf("\n"); 166 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, size); 167 return; 168 } 169 printf(": %s", intrstr); 170 171 sc->sc_dmat = pa->pa_dmat; 172 173 rl_attach(sc); 174 } 175