1 /* $OpenBSD: if_ral_pci.c,v 1.25 2016/08/17 11:50:52 stsp 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_RT3562 }, 137 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 }, 138 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 }, 139 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390 }, 140 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5392 }, 141 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_1 }, 142 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_2 }, 143 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_3 } 144 }; 145 146 int 147 ral_pci_match(struct device *parent, void *match, void *aux) 148 { 149 return (pci_matchbyid((struct pci_attach_args *)aux, ral_pci_devices, 150 nitems(ral_pci_devices))); 151 } 152 153 void 154 ral_pci_attach(struct device *parent, struct device *self, void *aux) 155 { 156 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 157 struct rt2560_softc *sc = &psc->sc_sc; 158 struct pci_attach_args *pa = aux; 159 const char *intrstr; 160 pci_intr_handle_t ih; 161 pcireg_t memtype; 162 int error; 163 164 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) { 165 switch (PCI_PRODUCT(pa->pa_id)) { 166 case PCI_PRODUCT_RALINK_RT2560: 167 psc->sc_opns = &ral_rt2560_opns; 168 break; 169 case PCI_PRODUCT_RALINK_RT2561: 170 case PCI_PRODUCT_RALINK_RT2561S: 171 case PCI_PRODUCT_RALINK_RT2661: 172 psc->sc_opns = &ral_rt2661_opns; 173 break; 174 default: 175 psc->sc_opns = &ral_rt2860_opns; 176 break; 177 } 178 } else { 179 /* all other vendors are RT2860 only */ 180 psc->sc_opns = &ral_rt2860_opns; 181 } 182 sc->sc_dmat = pa->pa_dmat; 183 psc->sc_pc = pa->pa_pc; 184 185 /* map control/status registers */ 186 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0); 187 error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st, 188 &sc->sc_sh, NULL, &psc->sc_mapsize, 0); 189 if (error != 0) { 190 printf(": can't map mem space\n"); 191 return; 192 } 193 194 if (pci_intr_map(pa, &ih) != 0) { 195 printf(": can't map interrupt\n"); 196 return; 197 } 198 199 intrstr = pci_intr_string(psc->sc_pc, ih); 200 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, 201 psc->sc_opns->intr, sc, sc->sc_dev.dv_xname); 202 if (psc->sc_ih == NULL) { 203 printf(": can't establish interrupt"); 204 if (intrstr != NULL) 205 printf(" at %s", intrstr); 206 printf("\n"); 207 return; 208 } 209 printf(": %s", intrstr); 210 211 (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id)); 212 } 213 214 int 215 ral_pci_detach(struct device *self, int flags) 216 { 217 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 218 struct rt2560_softc *sc = &psc->sc_sc; 219 int error; 220 221 if (psc->sc_ih != NULL) { 222 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 223 224 error = (*psc->sc_opns->detach)(sc); 225 if (error != 0) 226 return error; 227 } 228 229 if (psc->sc_mapsize > 0) 230 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize); 231 232 return 0; 233 } 234 235 int 236 ral_pci_activate(struct device *self, int act) 237 { 238 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 239 struct rt2560_softc *sc = &psc->sc_sc; 240 241 switch (act) { 242 case DVACT_SUSPEND: 243 (*psc->sc_opns->suspend)(sc); 244 break; 245 case DVACT_WAKEUP: 246 ral_pci_wakeup(psc); 247 break; 248 } 249 return 0; 250 } 251 252 void 253 ral_pci_wakeup(struct ral_pci_softc *psc) 254 { 255 struct rt2560_softc *sc = &psc->sc_sc; 256 int s; 257 258 s = splnet(); 259 (*psc->sc_opns->wakeup)(sc); 260 splx(s); 261 } 262