1 /* $NetBSD: if_ral_pci.c,v 1.26 2022/09/25 17:52:25 thorpej 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 1.26 2022/09/25 17:52:25 thorpej 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/device.h> 34 35 #include <sys/bus.h> 36 #include <sys/intr.h> 37 38 #include <net/if.h> 39 #include <net/if_dl.h> 40 #include <net/if_media.h> 41 #include <net/if_ether.h> 42 43 #include <netinet/in.h> 44 45 #include <net80211/ieee80211_var.h> 46 #include <net80211/ieee80211_amrr.h> 47 #include <net80211/ieee80211_rssadapt.h> 48 #include <net80211/ieee80211_radiotap.h> 49 50 #include <dev/ic/rt2560var.h> 51 #include <dev/ic/rt2661var.h> 52 #include <dev/ic/rt2860var.h> 53 54 #include <dev/pci/pcireg.h> 55 #include <dev/pci/pcivar.h> 56 #include <dev/pci/pcidevs.h> 57 58 static struct ral_opns { 59 int (*attach)(void *, int); 60 int (*detach)(void *); 61 int (*intr)(void *); 62 63 } ral_rt2560_opns = { 64 rt2560_attach, 65 rt2560_detach, 66 rt2560_intr 67 68 }, ral_rt2661_opns = { 69 rt2661_attach, 70 rt2661_detach, 71 rt2661_intr 72 73 }, ral_rt2860_opns = { 74 rt2860_attach, 75 rt2860_detach, 76 rt2860_intr 77 }; 78 79 struct ral_pci_softc { 80 union { 81 struct rt2560_softc sc_rt2560; 82 struct rt2661_softc sc_rt2661; 83 struct rt2860_softc sc_rt2860; 84 } u; 85 #define sc_sc u.sc_rt2560 86 87 /* PCI specific goo */ 88 struct ral_opns *sc_opns; 89 pci_chipset_tag_t sc_pc; 90 void *sc_ih; 91 bus_size_t sc_mapsize; 92 }; 93 94 /* Base Address Register */ 95 #define RAL_PCI_BAR0 PCI_BAR(0) 96 97 int ral_pci_match(device_t, cfdata_t, void *); 98 void ral_pci_attach(device_t, device_t, void *); 99 int ral_pci_detach(device_t, int); 100 101 CFATTACH_DECL_NEW(ral_pci, sizeof (struct ral_pci_softc), 102 ral_pci_match, ral_pci_attach, ral_pci_detach, NULL); 103 104 static const struct ral_pci_matchid { 105 pci_vendor_id_t ral_vendor; 106 pci_product_id_t ral_product; 107 } ral_pci_devices[] = { 108 { PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890 }, 109 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 }, 110 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 }, 111 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 }, 112 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 }, 113 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 }, 114 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 }, 115 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 }, 116 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT3591_1 }, 117 { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT3591_2 }, 118 { PCI_VENDOR_MSI, PCI_PRODUCT_AWT_RT2890 }, 119 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 }, 120 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 }, 121 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S }, 122 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 }, 123 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 }, 124 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 }, 125 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 }, 126 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 }, 127 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3060 }, 128 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 }, 129 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 }, 130 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 }, 131 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 }, 132 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562 }, 133 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 }, 134 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 }, 135 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5360 }, 136 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5362 }, 137 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_1 }, 138 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_2 }, 139 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_3 }, 140 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_4 }, 141 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_5 }, 142 }; 143 144 int 145 ral_pci_match(device_t parent, cfdata_t cfdata, 146 void *aux) 147 { 148 struct pci_attach_args *pa = aux; 149 150 for (size_t i = 0; i < __arraycount(ral_pci_devices); i++) { 151 const struct ral_pci_matchid *ral = &ral_pci_devices[i]; 152 if (PCI_VENDOR(pa->pa_id) == ral->ral_vendor && 153 PCI_PRODUCT(pa->pa_id) == ral->ral_product) 154 return 1; 155 } 156 157 return 0; 158 } 159 160 void 161 ral_pci_attach(device_t parent, device_t self, void *aux) 162 { 163 struct ral_pci_softc *psc = device_private(self); 164 struct rt2560_softc *sc = &psc->sc_sc; 165 const struct pci_attach_args *pa = aux; 166 const char *intrstr; 167 bus_addr_t base; 168 pci_intr_handle_t ih; 169 pcireg_t memtype, reg; 170 int error; 171 char intrbuf[PCI_INTRSTR_LEN]; 172 173 pci_aprint_devinfo(pa, NULL); 174 175 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) { 176 switch (PCI_PRODUCT(pa->pa_id)) { 177 case PCI_PRODUCT_RALINK_RT2560: 178 psc->sc_opns = &ral_rt2560_opns; 179 break; 180 case PCI_PRODUCT_RALINK_RT2561: 181 case PCI_PRODUCT_RALINK_RT2561S: 182 case PCI_PRODUCT_RALINK_RT2661: 183 psc->sc_opns = &ral_rt2661_opns; 184 break; 185 default: 186 psc->sc_opns = &ral_rt2860_opns; 187 break; 188 } 189 } else { 190 /* all other vendors are RT2860 only */ 191 psc->sc_opns = &ral_rt2860_opns; 192 } 193 194 sc->sc_dev = self; 195 sc->sc_dmat = pa->pa_dmat; 196 psc->sc_pc = pa->pa_pc; 197 198 /* enable the appropriate bits in the PCI CSR */ 199 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 200 reg |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE; 201 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg); 202 203 /* map control/status registers */ 204 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0); 205 error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st, 206 &sc->sc_sh, &base, &psc->sc_mapsize); 207 208 if (error != 0) { 209 aprint_error(": could not map memory space\n"); 210 return; 211 } 212 213 if (pci_intr_map(pa, &ih) != 0) { 214 aprint_error(": could not map interrupt\n"); 215 return; 216 } 217 218 intrstr = pci_intr_string(psc->sc_pc, ih, intrbuf, sizeof(intrbuf)); 219 psc->sc_ih = pci_intr_establish_xname(psc->sc_pc, ih, IPL_NET, 220 psc->sc_opns->intr, sc, device_xname(self)); 221 222 if (psc->sc_ih == NULL) { 223 aprint_error(": could not establish interrupt"); 224 if (intrstr != NULL) 225 aprint_error(" at %s", intrstr); 226 aprint_error("\n"); 227 return; 228 } 229 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); 230 231 (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id)); 232 } 233 234 int 235 ral_pci_detach(device_t self, int flags) 236 { 237 struct ral_pci_softc *psc = device_private(self); 238 struct rt2560_softc *sc = &psc->sc_sc; 239 int error; 240 241 if (psc->sc_ih != NULL) { 242 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 243 244 error = (*psc->sc_opns->detach)(sc); 245 if (error != 0) 246 return error; 247 } 248 249 if (psc->sc_mapsize > 0) 250 bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize); 251 252 return 0; 253 } 254
Indexes created Sat Nov 01 05:10:12 GMT 2025