if_ral_pci.c revision 1.22
1 /* $NetBSD: if_ral_pci.c,v 1.22 2016/04/27 19:47:25 christos Exp $ */ 2 /* $OpenBSD: if_ral_pci.c,v 1.24 2015/11/24 17:11:39 mpi Exp $ */ 3 4 /*- 5 * Copyright (c) 2005-2010 Damien Bergamini <damien.bergamini (at) free.fr> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* 21 * PCI front-end for the Ralink RT2560/RT2561/RT2860/RT3090 driver. 22 */ 23 #include <sys/cdefs.h> 24 __KERNEL_RCSID(0, "$NetBSD: if_ral_pci.c,v 1.22 2016/04/27 19:47:25 christos Exp $"); 25 26 27 #include <sys/param.h> 28 #include <sys/sockio.h> 29 #include <sys/mbuf.h> 30 #include <sys/kernel.h> 31 #include <sys/socket.h> 32 #include <sys/systm.h> 33 #include <sys/malloc.h> 34 #include <sys/device.h> 35 36 #include <sys/bus.h> 37 #include <sys/intr.h> 38 39 #include <net/if.h> 40 #include <net/if_dl.h> 41 #include <net/if_media.h> 42 #include <net/if_ether.h> 43 44 #include <netinet/in.h> 45 46 #include <net80211/ieee80211_var.h> 47 #include <net80211/ieee80211_amrr.h> 48 #include <net80211/ieee80211_rssadapt.h> 49 #include <net80211/ieee80211_radiotap.h> 50 51 #include <dev/ic/rt2560var.h> 52 #include <dev/ic/rt2661var.h> 53 #include <dev/ic/rt2860var.h> 54 55 #include <dev/pci/pcireg.h> 56 #include <dev/pci/pcivar.h> 57 #include <dev/pci/pcidevs.h> 58 59 #define RAL_POWER_MANAGEMENT 0 /* Disabled for now */ 60 61 static struct ral_opns { 62 int (*attach)(void *, int); 63 int (*detach)(void *); 64 #if RAL_POWER_MANAGEMENT 65 void (*suspend)(void *); 66 void (*wakeup)(void *); 67 #endif 68 int (*intr)(void *); 69 70 } ral_rt2560_opns = { 71 rt2560_attach, 72 rt2560_detach, 73 #if RAL_POWER_MANAGEMENT 74 rt2560_suspend, 75 rt2560_wakeup, 76 #endif 77 rt2560_intr 78 79 }, ral_rt2661_opns = { 80 rt2661_attach, 81 rt2661_detach, 82 #if RAL_POWER_MANAGEMENT 83 rt2661_suspend, 84 rt2661_wakeup, 85 #endif 86 rt2661_intr 87 88 }, ral_rt2860_opns = { 89 rt2860_attach, 90 rt2860_detach, 91 #if RAL_POWER_MANAGEMENT 92 rt2860_suspend, 93 rt2860_wakeup, 94 #endif 95 rt2860_intr 96 }; 97 98 struct ral_pci_softc { 99 union { 100 struct rt2560_softc sc_rt2560; 101 struct rt2661_softc sc_rt2661; 102 struct rt2860_softc sc_rt2860; 103 } u; 104 #define sc_sc u.sc_rt2560 105 106 /* PCI specific goo */ 107 struct ral_opns *sc_opns; 108 pci_chipset_tag_t sc_pc; 109 void *sc_ih; 110 bus_size_t sc_mapsize; 111 }; 112 113 /* Base Address Register */ 114 #define RAL_PCI_BAR0 PCI_BAR(0) 115 116 int ral_pci_match(device_t, cfdata_t, void *); 117 void ral_pci_attach(device_t, device_t, void *); 118 int ral_pci_detach(device_t, int); 119 #if RAL_POWER_MANAGEMENT 120 int ral_pci_activate(struct device *, devact_t); 121 void ral_pci_wakeup(struct ral_pci_softc *); 122 #else 123 #define ral_pci_activate NULL 124 #endif 125 126 CFATTACH_DECL_NEW(ral_pci, sizeof (struct ral_pci_softc), 127 ral_pci_match, ral_pci_attach, ral_pci_detach, ral_pci_activate); 128 129 static const struct ral_pci_matchid { 130 pci_vendor_id_t ral_vendor; 131 pci_product_id_t ral_product; 132 } ral_pci_devices[] = { 133 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 }, 134 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 }, 135 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S }, 136 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 }, 137 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 }, 138 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 }, 139 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 }, 140 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 }, 141 { PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890 }, 142 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 }, 143 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 }, 144 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 }, 145 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 }, 146 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 }, 147 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 }, 148 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 }, 149 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3060 }, 150 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 }, 151 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 }, 152 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 }, 153 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 }, 154 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562 }, 155 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 }, 156 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 } 157 }; 158 159 int 160 ral_pci_match(device_t parent, cfdata_t cfdata, 161 void *aux) 162 { 163 struct pci_attach_args *pa = aux; 164 165 for (size_t i = 0; i < __arraycount(ral_pci_devices); i++) { 166 const struct ral_pci_matchid *ral = &ral_pci_devices[i]; 167 if (PCI_VENDOR(pa->pa_id) == ral->ral_vendor && 168 PCI_PRODUCT(pa->pa_id) == ral->ral_product) 169 return 1; 170 } 171 172 return 0; 173 } 174 175 void 176 ral_pci_attach(device_t parent, device_t self, void *aux) 177 { 178 struct ral_pci_softc *psc = device_private(self); 179 struct rt2560_softc *sc = &psc->sc_sc; 180 const struct pci_attach_args *pa = aux; 181 const char *intrstr; 182 bus_addr_t base; 183 pci_intr_handle_t ih; 184 pcireg_t memtype, reg; 185 int error; 186 char intrbuf[PCI_INTRSTR_LEN]; 187 188 pci_aprint_devinfo(pa, NULL); 189 190 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) { 191 switch (PCI_PRODUCT(pa->pa_id)) { 192 case PCI_PRODUCT_RALINK_RT2560: 193 psc->sc_opns = &ral_rt2560_opns; 194 break; 195 case PCI_PRODUCT_RALINK_RT2561: 196 case PCI_PRODUCT_RALINK_RT2561S: 197 case PCI_PRODUCT_RALINK_RT2661: 198 psc->sc_opns = &ral_rt2661_opns; 199 break; 200 default: 201 psc->sc_opns = &ral_rt2860_opns; 202 break; 203 } 204 } else { 205 /* all other vendors are RT2860 only */ 206 psc->sc_opns = &ral_rt2860_opns; 207 } 208 209 sc->sc_dev = self; 210 sc->sc_dmat = pa->pa_dmat; 211 psc->sc_pc = pa->pa_pc; 212 213 /* enable the appropriate bits in the PCI CSR */ 214 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 215 reg |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE; 216 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg); 217 218 /* map control/status registers */ 219 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0); 220 error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st, 221 &sc->sc_sh, &base, &psc->sc_mapsize); 222 223 if (error != 0) { 224 aprint_error(": could not map memory space\n"); 225 return; 226 } 227 228 if (pci_intr_map(pa, &ih) != 0) { 229 aprint_error(": could not map interrupt\n"); 230 return; 231 } 232 233 intrstr = pci_intr_string(psc->sc_pc, ih, intrbuf, sizeof(intrbuf)); 234 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, 235 psc->sc_opns->intr, sc); 236 237 if (psc->sc_ih == NULL) { 238 aprint_error(": could not establish interrupt"); 239 if (intrstr != NULL) 240 aprint_error(" at %s", intrstr); 241 aprint_error("\n"); 242 return; 243 } 244 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); 245 246 (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id)); 247 } 248 249 int 250 ral_pci_detach(device_t self, int flags) 251 { 252 struct ral_pci_softc *psc = device_private(self); 253 struct rt2560_softc *sc = &psc->sc_sc; 254 int error; 255 256 if (psc->sc_ih != NULL) { 257 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 258 259 error = (*psc->sc_opns->detach)(sc); 260 if (error != 0) 261 return error; 262 } 263 264 if (psc->sc_mapsize > 0) 265 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize); 266 267 return 0; 268 } 269 270 #if RAL_POWER_MANAGEMENT 271 int 272 ral_pci_activate(struct device *self, devact_t act) 273 { 274 struct ral_pci_softc *psc = (struct ral_pci_softc *)self; 275 struct rt2560_softc *sc = &psc->sc_sc; 276 277 switch (act) { 278 case DVACT_SUSPEND: 279 (*psc->sc_opns->suspend)(sc); 280 break; 281 case DVACT_WAKEUP: 282 ral_pci_wakeup(psc); 283 break; 284 } 285 return 0; 286 } 287 288 void 289 ral_pci_wakeup(struct ral_pci_softc *psc) 290 { 291 struct rt2560_softc *sc = &psc->sc_sc; 292 int s; 293 294 s = splnet(); 295 (*psc->sc_opns->wakeup)(sc); 296 splx(s); 297 } 298 #endif 299
Indexes created Sat Nov 01 05:10:12 GMT 2025