1 /* $OpenBSD: if_ral_pci.c,v 1.19 2010/04/05 14:14:02 damien Exp $ */ 2 3 /*- 4 * Copyright (c) 2005-2010 Damien Bergamini <damien.bergamini@free.fr> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /* 20 * PCI front-end for the Ralink RT2560/RT2561/RT2860/RT3090 driver. 21 */ 22 23 #include "bpfilter.h" 24 25 #include <sys/param.h> 26 #include <sys/sockio.h> 27 #include <sys/mbuf.h> 28 #include <sys/kernel.h> 29 #include <sys/socket.h> 30 #include <sys/systm.h> 31 #include <sys/malloc.h> 32 #include <sys/timeout.h> 33 #include <sys/device.h> 34 35 #include <machine/bus.h> 36 #include <machine/intr.h> 37 38 #include <net/if.h> 39 #include <net/if_dl.h> 40 #include <net/if_media.h> 41 42 #include <netinet/in.h> 43 #include <netinet/if_ether.h> 44 45 #include <net80211/ieee80211_var.h> 46 #include <net80211/ieee80211_amrr.h> 47 #include <net80211/ieee80211_radiotap.h> 48 49 #include <dev/ic/rt2560var.h> 50 #include <dev/ic/rt2661var.h> 51 #include <dev/ic/rt2860var.h> 52 53 #include <dev/pci/pcireg.h> 54 #include <dev/pci/pcivar.h> 55 #include <dev/pci/pcidevs.h> 56 57 static struct ral_opns { 58 int (*attach)(void *, int); 59 int (*detach)(void *); 60 int (*intr)(void *); 61 62 } ral_rt2560_opns = { 63 rt2560_attach, 64 rt2560_detach, 65 rt2560_intr 66 67 }, ral_rt2661_opns = { 68 rt2661_attach, 69 rt2661_detach, 70 rt2661_intr 71 72 }, ral_rt2860_opns = { 73 rt2860_attach, 74 rt2860_detach, 75 rt2860_intr 76 }; 77 78 struct ral_pci_softc { 79 union { 80 struct rt2560_softc sc_rt2560; 81 struct rt2661_softc sc_rt2661; 82 struct rt2860_softc sc_rt2860; 83 } u; 84 #define sc_sc u.sc_rt2560 85 86 /* PCI specific goo */ 87 struct ral_opns *sc_opns; 88 pci_chipset_tag_t sc_pc; 89 void *sc_ih; 90 bus_size_t sc_mapsize; 91 }; 92 93 /* Base Address Register */ 94 #define RAL_PCI_BAR0 0x10 95 96 int ral_pci_match(struct device *, void *, void *); 97 void ral_pci_attach(struct device *, struct device *, void *); 98 int ral_pci_detach(struct device *, int); 99 100 struct cfattach ral_pci_ca = { 101 sizeof (struct ral_pci_softc), ral_pci_match, ral_pci_attach, 102 ral_pci_detach 103 }; 104 105 const struct pci_matchid ral_pci_devices[] = { 106 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 }, 107 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 }, 108 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S }, 109 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 }, 110 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 }, 111 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 }, 112 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 }, 113 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 }, 114 { PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890 }, 115 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 }, 116 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 }, 117 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 }, 118 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 }, 119 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 }, 120 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 }, 121 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 }, 122 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 }, 123 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 }, 124 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 }, 125 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 }, 126 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562 }, 127 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 }, 128 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 } 129 }; 130 131 int 132 ral_pci_match(struct device *parent, void *match, void *aux) 133 { 134 return (pci_matchbyid((struct pci_attach_args *)aux, ral_pci_devices, 135 nitems(ral_pci_devices))); 136 } 137 138 void 139 ral_pci_attach(struct device *parent, struct device *self, void *aux) 140 { 141 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 142 struct rt2560_softc *sc = &psc->sc_sc; 143 struct pci_attach_args *pa = aux; 144 const char *intrstr; 145 pci_intr_handle_t ih; 146 pcireg_t memtype; 147 int error; 148 149 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) { 150 switch (PCI_PRODUCT(pa->pa_id)) { 151 case PCI_PRODUCT_RALINK_RT2560: 152 psc->sc_opns = &ral_rt2560_opns; 153 break; 154 case PCI_PRODUCT_RALINK_RT2561: 155 case PCI_PRODUCT_RALINK_RT2561S: 156 case PCI_PRODUCT_RALINK_RT2661: 157 psc->sc_opns = &ral_rt2661_opns; 158 break; 159 default: 160 psc->sc_opns = &ral_rt2860_opns; 161 break; 162 } 163 } else { 164 /* all other vendors are RT2860 only */ 165 psc->sc_opns = &ral_rt2860_opns; 166 } 167 sc->sc_dmat = pa->pa_dmat; 168 psc->sc_pc = pa->pa_pc; 169 170 /* map control/status registers */ 171 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0); 172 error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st, 173 &sc->sc_sh, NULL, &psc->sc_mapsize, 0); 174 if (error != 0) { 175 printf(": can't map mem space\n"); 176 return; 177 } 178 179 if (pci_intr_map(pa, &ih) != 0) { 180 printf(": can't map interrupt\n"); 181 return; 182 } 183 184 intrstr = pci_intr_string(psc->sc_pc, ih); 185 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, 186 psc->sc_opns->intr, sc, sc->sc_dev.dv_xname); 187 if (psc->sc_ih == NULL) { 188 printf(": can't establish interrupt"); 189 if (intrstr != NULL) 190 printf(" at %s", intrstr); 191 printf("\n"); 192 return; 193 } 194 printf(": %s", intrstr); 195 196 (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id)); 197 } 198 199 int 200 ral_pci_detach(struct device *self, int flags) 201 { 202 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 203 struct rt2560_softc *sc = &psc->sc_sc; 204 int error; 205 206 if (psc->sc_ih != NULL) { 207 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 208 209 error = (*psc->sc_opns->detach)(sc); 210 if (error != 0) 211 return error; 212 } 213 214 if (psc->sc_mapsize > 0) 215 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize); 216 217 return 0; 218 } 219