1 /* $OpenBSD: if_ral_pci.c,v 1.27 2018/10/02 02:05:34 kevlo 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_media.h> 40 41 #include <netinet/in.h> 42 #include <netinet/if_ether.h> 43 44 #include <net80211/ieee80211_var.h> 45 #include <net80211/ieee80211_amrr.h> 46 #include <net80211/ieee80211_radiotap.h> 47 48 #include <dev/ic/rt2560var.h> 49 #include <dev/ic/rt2661var.h> 50 #include <dev/ic/rt2860var.h> 51 52 #include <dev/pci/pcireg.h> 53 #include <dev/pci/pcivar.h> 54 #include <dev/pci/pcidevs.h> 55 56 static struct ral_opns { 57 int (*attach)(void *, int); 58 int (*detach)(void *); 59 void (*suspend)(void *); 60 void (*wakeup)(void *); 61 int (*intr)(void *); 62 63 } ral_rt2560_opns = { 64 rt2560_attach, 65 rt2560_detach, 66 rt2560_suspend, 67 rt2560_wakeup, 68 rt2560_intr 69 70 }, ral_rt2661_opns = { 71 rt2661_attach, 72 rt2661_detach, 73 rt2661_suspend, 74 rt2661_wakeup, 75 rt2661_intr 76 77 }, ral_rt2860_opns = { 78 rt2860_attach, 79 rt2860_detach, 80 rt2860_suspend, 81 rt2860_wakeup, 82 rt2860_intr 83 }; 84 85 struct ral_pci_softc { 86 union { 87 struct rt2560_softc sc_rt2560; 88 struct rt2661_softc sc_rt2661; 89 struct rt2860_softc sc_rt2860; 90 } u; 91 #define sc_sc u.sc_rt2560 92 93 /* PCI specific goo */ 94 struct ral_opns *sc_opns; 95 pci_chipset_tag_t sc_pc; 96 void *sc_ih; 97 bus_size_t sc_mapsize; 98 }; 99 100 /* Base Address Register */ 101 #define RAL_PCI_BAR0 0x10 102 103 int ral_pci_match(struct device *, void *, void *); 104 void ral_pci_attach(struct device *, struct device *, void *); 105 int ral_pci_detach(struct device *, int); 106 int ral_pci_activate(struct device *, int); 107 void ral_pci_wakeup(struct ral_pci_softc *); 108 109 struct cfattach ral_pci_ca = { 110 sizeof (struct ral_pci_softc), ral_pci_match, ral_pci_attach, 111 ral_pci_detach, ral_pci_activate 112 }; 113 114 const struct pci_matchid ral_pci_devices[] = { 115 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 }, 116 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 }, 117 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S }, 118 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 }, 119 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 }, 120 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 }, 121 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 }, 122 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 }, 123 { PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890 }, 124 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 }, 125 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 }, 126 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 }, 127 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 }, 128 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 }, 129 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 }, 130 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 }, 131 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3060 }, 132 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 }, 133 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 }, 134 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 }, 135 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 }, 136 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3290 }, 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 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5360 }, 141 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390 }, 142 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5392 }, 143 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_1 }, 144 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_2 }, 145 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_3 } 146 }; 147 148 int 149 ral_pci_match(struct device *parent, void *match, void *aux) 150 { 151 return (pci_matchbyid((struct pci_attach_args *)aux, ral_pci_devices, 152 nitems(ral_pci_devices))); 153 } 154 155 void 156 ral_pci_attach(struct device *parent, struct device *self, void *aux) 157 { 158 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 159 struct rt2560_softc *sc = &psc->sc_sc; 160 struct pci_attach_args *pa = aux; 161 const char *intrstr; 162 pci_intr_handle_t ih; 163 pcireg_t memtype; 164 int error; 165 166 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) { 167 switch (PCI_PRODUCT(pa->pa_id)) { 168 case PCI_PRODUCT_RALINK_RT2560: 169 psc->sc_opns = &ral_rt2560_opns; 170 break; 171 case PCI_PRODUCT_RALINK_RT2561: 172 case PCI_PRODUCT_RALINK_RT2561S: 173 case PCI_PRODUCT_RALINK_RT2661: 174 psc->sc_opns = &ral_rt2661_opns; 175 break; 176 default: 177 psc->sc_opns = &ral_rt2860_opns; 178 break; 179 } 180 } else { 181 /* all other vendors are RT2860 only */ 182 psc->sc_opns = &ral_rt2860_opns; 183 } 184 sc->sc_dmat = pa->pa_dmat; 185 psc->sc_pc = pa->pa_pc; 186 187 /* map control/status registers */ 188 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0); 189 error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st, 190 &sc->sc_sh, NULL, &psc->sc_mapsize, 0); 191 if (error != 0) { 192 printf(": can't map mem space\n"); 193 return; 194 } 195 196 if (pci_intr_map(pa, &ih) != 0) { 197 printf(": can't map interrupt\n"); 198 return; 199 } 200 201 intrstr = pci_intr_string(psc->sc_pc, ih); 202 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, 203 psc->sc_opns->intr, sc, sc->sc_dev.dv_xname); 204 if (psc->sc_ih == NULL) { 205 printf(": can't establish interrupt"); 206 if (intrstr != NULL) 207 printf(" at %s", intrstr); 208 printf("\n"); 209 return; 210 } 211 printf(": %s", intrstr); 212 213 (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id)); 214 } 215 216 int 217 ral_pci_detach(struct device *self, int flags) 218 { 219 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 220 struct rt2560_softc *sc = &psc->sc_sc; 221 int error; 222 223 if (psc->sc_ih != NULL) { 224 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 225 226 error = (*psc->sc_opns->detach)(sc); 227 if (error != 0) 228 return error; 229 } 230 231 if (psc->sc_mapsize > 0) 232 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize); 233 234 return 0; 235 } 236 237 int 238 ral_pci_activate(struct device *self, int act) 239 { 240 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 241 struct rt2560_softc *sc = &psc->sc_sc; 242 243 switch (act) { 244 case DVACT_SUSPEND: 245 (*psc->sc_opns->suspend)(sc); 246 break; 247 case DVACT_WAKEUP: 248 ral_pci_wakeup(psc); 249 break; 250 } 251 return 0; 252 } 253 254 void 255 ral_pci_wakeup(struct ral_pci_softc *psc) 256 { 257 struct rt2560_softc *sc = &psc->sc_sc; 258 int s; 259 260 s = splnet(); 261 (*psc->sc_opns->wakeup)(sc); 262 splx(s); 263 } 264