1 /* $OpenBSD: if_rl_pci.c,v 1.6 2001/11/06 19:53:19 miod 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 <uvm/uvm_extern.h> /* for vtophys */ 66 #include <machine/bus.h> 67 68 #include <dev/mii/mii.h> 69 #include <dev/mii/miivar.h> 70 #include <dev/pci/pcireg.h> 71 #include <dev/pci/pcivar.h> 72 #include <dev/pci/pcidevs.h> 73 74 /* 75 * Default to using PIO access for this driver. On SMP systems, 76 * there appear to be problems with memory mapped mode: it looks like 77 * doing too many memory mapped access back to back in rapid succession 78 * can hang the bus. I'm inclined to blame this on crummy design/construction 79 * on the part of RealTek. Memory mapped mode does appear to work on 80 * uniprocessor systems though. 81 */ 82 #define RL_USEIOSPACE 83 84 #include <dev/ic/rtl81x9reg.h> 85 86 int rl_pci_match __P((struct device *, void *, void *)); 87 void rl_pci_attach __P((struct device *, struct device *, void *)); 88 89 struct cfattach rl_pci_ca = { 90 sizeof(struct rl_softc), rl_pci_match, rl_pci_attach, 91 }; 92 93 struct rl_type rl_pci_devs[] = { 94 { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 }, 95 { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 }, 96 { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 }, 97 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_530TXPLUS }, 98 { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 }, 99 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 }, 100 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139 }, 101 { 0, 0 } 102 }; 103 104 int 105 rl_pci_match(parent, match, aux) 106 struct device *parent; 107 void *match; 108 void *aux; 109 { 110 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 111 struct rl_type *t; 112 113 for (t = rl_pci_devs; t->rl_vid != 0; t++) { 114 if ((PCI_VENDOR(pa->pa_id) == t->rl_vid) && 115 (PCI_PRODUCT(pa->pa_id) == t->rl_did)) 116 return (1); 117 } 118 return (0); 119 } 120 121 void 122 rl_pci_attach(parent, self, aux) 123 struct device *parent, *self; 124 void *aux; 125 { 126 struct rl_softc *sc = (struct rl_softc *)self; 127 struct pci_attach_args *pa = aux; 128 pci_chipset_tag_t pc = pa->pa_pc; 129 pci_intr_handle_t ih; 130 const char *intrstr = NULL; 131 bus_addr_t iobase; 132 bus_size_t iosize; 133 u_int32_t command; 134 135 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 136 137 #ifdef RL_USEIOSPACE 138 if (!(command & PCI_COMMAND_IO_ENABLE)) { 139 printf(": failed to enable i/o ports\n"); 140 return; 141 } 142 143 /* 144 * Map control/status registers. 145 */ 146 if (pci_io_find(pc, pa->pa_tag, RL_PCI_LOIO, &iobase, &iosize)) { 147 printf(": can't find i/o space\n"); 148 return; 149 } 150 if (bus_space_map(pa->pa_iot, iobase, iosize, 0, &sc->rl_bhandle)) { 151 printf(": can't map i/o space\n"); 152 return; 153 } 154 sc->rl_btag = pa->pa_iot; 155 #else 156 if (!(command & PCI_COMMAND_MEM_ENABLE)) { 157 printf(": failed to enable memory mapping\n"); 158 return; 159 } 160 if (pci_mem_find(pc, pa->pa_tag, RL_PCI_LOMEM, &iobase, &iosize, NULL)){ 161 printf(": can't find mem space\n"); 162 return; 163 } 164 if (bus_space_map(pa->pa_memt, iobase, iosize, 0, &sc->rl_bhandle)) { 165 printf(": can't map mem space\n"); 166 return; 167 } 168 sc->rl_btag = pa->pa_memt; 169 #endif 170 171 /* 172 * Allocate our interrupt. 173 */ 174 if (pci_intr_map(pa, &ih)) { 175 printf(": couldn't map interrupt\n"); 176 return; 177 } 178 179 intrstr = pci_intr_string(pc, ih); 180 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc, 181 self->dv_xname); 182 if (sc->sc_ih == NULL) { 183 printf(": couldn't establish interrupt"); 184 if (intrstr != NULL) 185 printf(" at %s", intrstr); 186 printf("\n"); 187 return; 188 } 189 printf(": %s", intrstr); 190 191 sc->sc_dmat = pa->pa_dmat; 192 193 rl_attach(sc); 194 } 195