1 /* $OpenBSD: if_ral_pci.c,v 1.23 2013/12/06 21:03:04 deraadt 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 void (*suspend)(void *); 61 void (*wakeup)(void *); 62 int (*intr)(void *); 63 64 } ral_rt2560_opns = { 65 rt2560_attach, 66 rt2560_detach, 67 rt2560_suspend, 68 rt2560_wakeup, 69 rt2560_intr 70 71 }, ral_rt2661_opns = { 72 rt2661_attach, 73 rt2661_detach, 74 rt2661_suspend, 75 rt2661_wakeup, 76 rt2661_intr 77 78 }, ral_rt2860_opns = { 79 rt2860_attach, 80 rt2860_detach, 81 rt2860_suspend, 82 rt2860_wakeup, 83 rt2860_intr 84 }; 85 86 struct ral_pci_softc { 87 union { 88 struct rt2560_softc sc_rt2560; 89 struct rt2661_softc sc_rt2661; 90 struct rt2860_softc sc_rt2860; 91 } u; 92 #define sc_sc u.sc_rt2560 93 94 /* PCI specific goo */ 95 struct ral_opns *sc_opns; 96 pci_chipset_tag_t sc_pc; 97 void *sc_ih; 98 bus_size_t sc_mapsize; 99 }; 100 101 /* Base Address Register */ 102 #define RAL_PCI_BAR0 0x10 103 104 int ral_pci_match(struct device *, void *, void *); 105 void ral_pci_attach(struct device *, struct device *, void *); 106 int ral_pci_detach(struct device *, int); 107 int ral_pci_activate(struct device *, int); 108 void ral_pci_wakeup(struct ral_pci_softc *); 109 110 struct cfattach ral_pci_ca = { 111 sizeof (struct ral_pci_softc), ral_pci_match, ral_pci_attach, 112 ral_pci_detach, ral_pci_activate 113 }; 114 115 const struct pci_matchid ral_pci_devices[] = { 116 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 }, 117 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 }, 118 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S }, 119 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 }, 120 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 }, 121 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 }, 122 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 }, 123 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 }, 124 { PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890 }, 125 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 }, 126 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 }, 127 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 }, 128 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 }, 129 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 }, 130 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 }, 131 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 }, 132 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3060 }, 133 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 }, 134 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 }, 135 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 }, 136 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 }, 137 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562 }, 138 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 }, 139 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 } 140 }; 141 142 int 143 ral_pci_match(struct device *parent, void *match, void *aux) 144 { 145 return (pci_matchbyid((struct pci_attach_args *)aux, ral_pci_devices, 146 nitems(ral_pci_devices))); 147 } 148 149 void 150 ral_pci_attach(struct device *parent, struct device *self, void *aux) 151 { 152 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 153 struct rt2560_softc *sc = &psc->sc_sc; 154 struct pci_attach_args *pa = aux; 155 const char *intrstr; 156 pci_intr_handle_t ih; 157 pcireg_t memtype; 158 int error; 159 160 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) { 161 switch (PCI_PRODUCT(pa->pa_id)) { 162 case PCI_PRODUCT_RALINK_RT2560: 163 psc->sc_opns = &ral_rt2560_opns; 164 break; 165 case PCI_PRODUCT_RALINK_RT2561: 166 case PCI_PRODUCT_RALINK_RT2561S: 167 case PCI_PRODUCT_RALINK_RT2661: 168 psc->sc_opns = &ral_rt2661_opns; 169 break; 170 default: 171 psc->sc_opns = &ral_rt2860_opns; 172 break; 173 } 174 } else { 175 /* all other vendors are RT2860 only */ 176 psc->sc_opns = &ral_rt2860_opns; 177 } 178 sc->sc_dmat = pa->pa_dmat; 179 psc->sc_pc = pa->pa_pc; 180 181 /* map control/status registers */ 182 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0); 183 error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st, 184 &sc->sc_sh, NULL, &psc->sc_mapsize, 0); 185 if (error != 0) { 186 printf(": can't map mem space\n"); 187 return; 188 } 189 190 if (pci_intr_map(pa, &ih) != 0) { 191 printf(": can't map interrupt\n"); 192 return; 193 } 194 195 intrstr = pci_intr_string(psc->sc_pc, ih); 196 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, 197 psc->sc_opns->intr, sc, sc->sc_dev.dv_xname); 198 if (psc->sc_ih == NULL) { 199 printf(": can't establish interrupt"); 200 if (intrstr != NULL) 201 printf(" at %s", intrstr); 202 printf("\n"); 203 return; 204 } 205 printf(": %s", intrstr); 206 207 (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id)); 208 } 209 210 int 211 ral_pci_detach(struct device *self, int flags) 212 { 213 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 214 struct rt2560_softc *sc = &psc->sc_sc; 215 int error; 216 217 if (psc->sc_ih != NULL) { 218 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 219 220 error = (*psc->sc_opns->detach)(sc); 221 if (error != 0) 222 return error; 223 } 224 225 if (psc->sc_mapsize > 0) 226 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize); 227 228 return 0; 229 } 230 231 int 232 ral_pci_activate(struct device *self, int act) 233 { 234 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 235 struct rt2560_softc *sc = &psc->sc_sc; 236 237 switch (act) { 238 case DVACT_SUSPEND: 239 (*psc->sc_opns->suspend)(sc); 240 break; 241 case DVACT_WAKEUP: 242 ral_pci_wakeup(psc); 243 break; 244 } 245 return 0; 246 } 247 248 void 249 ral_pci_wakeup(struct ral_pci_softc *psc) 250 { 251 struct rt2560_softc *sc = &psc->sc_sc; 252 int s; 253 254 s = splnet(); 255 (*psc->sc_opns->wakeup)(sc); 256 splx(s); 257 } 258