1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2015-2016 Landon Fuller <landonf@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include "opt_bwn.h" 33 #include "opt_wlan.h" 34 35 #include <sys/param.h> 36 #include <sys/kernel.h> 37 #include <sys/bus.h> 38 #include <sys/module.h> 39 40 #include <dev/pci/pcireg.h> 41 #include <dev/pci/pcivar.h> 42 43 #include <dev/bhnd/bhndb/bhndb_pcivar.h> 44 #include <dev/bhnd/bhndb/bhndb_hwdata.h> 45 #include <dev/bhnd/bhndb/bhndb_pci_hwdata.h> 46 47 #include <dev/bhnd/bhnd_ids.h> 48 49 #include "bhndb_bus_if.h" 50 51 #include "if_bwn_pcivar.h" 52 53 /* If non-zero, enable attachment of BWN_QUIRK_UNTESTED devices */ 54 static int attach_untested = 0; 55 TUNABLE_INT("hw.bwn_pci.attach_untested", &attach_untested); 56 57 /* SIBA Devices */ 58 static const struct bwn_pci_device siba_devices[] = { 59 BWN_BCM_DEV(BCM4306_D11A, "BCM4306 802.11a", 60 BWN_QUIRK_WLAN_DUALCORE|BWN_QUIRK_SOFTMODEM_UNPOPULATED), 61 BWN_BCM_DEV(BCM4306_D11G, "BCM4306 802.11b/g", 62 BWN_QUIRK_SOFTMODEM_UNPOPULATED), 63 BWN_BCM_DEV(BCM4306_D11G_ID2, "BCM4306 802.11b/g", 64 BWN_QUIRK_SOFTMODEM_UNPOPULATED), 65 BWN_BCM_DEV(BCM4306_D11DUAL, "BCM4306 802.11a/b/g", 66 BWN_QUIRK_SOFTMODEM_UNPOPULATED), 67 BWN_BCM_DEV(BCM4307, "BCM4307 802.11b", 0), 68 69 BWN_BCM_DEV(BCM4311_D11G, "BCM4311 802.11b/g", 0), 70 BWN_BCM_DEV(BCM4311_D11DUAL, "BCM4311 802.11a/b/g", 0), 71 BWN_BCM_DEV(BCM4311_D11A, "BCM4311 802.11a", 72 BWN_QUIRK_UNTESTED|BWN_QUIRK_WLAN_DUALCORE), 73 74 BWN_BCM_DEV(BCM4318_D11G, "BCM4318 802.11b/g", 0), 75 BWN_BCM_DEV(BCM4318_D11DUAL, "BCM4318 802.11a/b/g", 0), 76 BWN_BCM_DEV(BCM4318_D11A, "BCM4318 802.11a", 77 BWN_QUIRK_UNTESTED|BWN_QUIRK_WLAN_DUALCORE), 78 79 BWN_BCM_DEV(BCM4321_D11N, "BCM4321 802.11n Dual-Band", 80 BWN_QUIRK_USBH_UNPOPULATED), 81 BWN_BCM_DEV(BCM4321_D11N2G, "BCM4321 802.11n 2GHz", 82 BWN_QUIRK_USBH_UNPOPULATED), 83 BWN_BCM_DEV(BCM4321_D11N5G, "BCM4321 802.11n 5GHz", 84 BWN_QUIRK_UNTESTED|BWN_QUIRK_USBH_UNPOPULATED), 85 86 BWN_BCM_DEV(BCM4322_D11N, "BCM4322 802.11n Dual-Band", 0), 87 BWN_BCM_DEV(BCM4322_D11N2G, "BCM4322 802.11n 2GHz", 88 BWN_QUIRK_UNTESTED), 89 BWN_BCM_DEV(BCM4322_D11N5G, "BCM4322 802.11n 5GHz", 90 BWN_QUIRK_UNTESTED), 91 92 BWN_BCM_DEV(BCM4328_D11G, "BCM4328/4312 802.11g", 0), 93 { 0, 0, NULL, 0 } 94 }; 95 96 /** BCMA Devices */ 97 static const struct bwn_pci_device bcma_devices[] = { 98 BWN_BCM_DEV(BCM4331_D11N, "BCM4331 802.11n Dual-Band", 0), 99 BWN_BCM_DEV(BCM4331_D11N2G, "BCM4331 802.11n 2GHz", 0), 100 BWN_BCM_DEV(BCM4331_D11N5G, "BCM4331 802.11n 5GHz", 0), 101 BWN_BCM_DEV(BCM43224_D11N, "BCM43224 802.11n Dual-Band", 0), 102 BWN_BCM_DEV(BCM43224_D11N_ID_VEN1, "BCM43224 802.11n Dual-Band",0), 103 BWN_BCM_DEV(BCM43225_D11N2G, "BCM43225 802.11n 2GHz", 0), 104 { 0, 0, NULL, 0} 105 }; 106 107 /** Device configuration table */ 108 static const struct bwn_pci_devcfg bwn_pci_devcfgs[] = { 109 /* SIBA devices */ 110 { 111 .bridge_hwcfg = &bhndb_pci_siba_generic_hwcfg, 112 .bridge_hwtable = bhndb_pci_generic_hw_table, 113 .bridge_hwprio = bhndb_siba_priority_table, 114 .devices = siba_devices 115 }, 116 /* BCMA devices */ 117 { 118 .bridge_hwcfg = &bhndb_pci_bcma_generic_hwcfg, 119 .bridge_hwtable = bhndb_pci_generic_hw_table, 120 .bridge_hwprio = bhndb_bcma_priority_table, 121 .devices = bcma_devices 122 }, 123 { NULL, NULL, NULL } 124 }; 125 126 /** Search the device configuration table for an entry matching @p dev. */ 127 static int 128 bwn_pci_find_devcfg(device_t dev, const struct bwn_pci_devcfg **cfg, 129 const struct bwn_pci_device **device) 130 { 131 const struct bwn_pci_devcfg *dvc; 132 const struct bwn_pci_device *dv; 133 134 for (dvc = bwn_pci_devcfgs; dvc->devices != NULL; dvc++) { 135 for (dv = dvc->devices; dv->device != 0; dv++) { 136 if (pci_get_vendor(dev) == dv->vendor && 137 pci_get_device(dev) == dv->device) 138 { 139 if (cfg != NULL) 140 *cfg = dvc; 141 142 if (device != NULL) 143 *device = dv; 144 145 return (0); 146 } 147 } 148 } 149 150 return (ENOENT); 151 } 152 153 static int 154 bwn_pci_probe(device_t dev) 155 { 156 const struct bwn_pci_device *ident; 157 158 if (bwn_pci_find_devcfg(dev, NULL, &ident)) 159 return (ENXIO); 160 161 /* Skip untested devices */ 162 if (ident->quirks & BWN_QUIRK_UNTESTED && !attach_untested) 163 return (ENXIO); 164 165 device_set_desc(dev, ident->desc); 166 return (BUS_PROBE_DEFAULT); 167 } 168 169 static int 170 bwn_pci_attach(device_t dev) 171 { 172 struct bwn_pci_softc *sc; 173 const struct bwn_pci_device *ident; 174 int error; 175 176 sc = device_get_softc(dev); 177 sc->dev = dev; 178 179 /* Find our hardware config */ 180 if (bwn_pci_find_devcfg(dev, &sc->devcfg, &ident)) 181 return (ENXIO); 182 183 /* Save quirk flags */ 184 sc->quirks = ident->quirks; 185 186 /* Attach bridge device */ 187 if ((error = bhndb_attach_bridge(dev, &sc->bhndb_dev, -1))) 188 return (ENXIO); 189 190 /* Success */ 191 return (0); 192 } 193 194 static int 195 bwn_pci_detach(device_t dev) 196 { 197 int error; 198 199 if ((error = bus_generic_detach(dev))) 200 return (error); 201 202 return (device_delete_children(dev)); 203 } 204 205 static void 206 bwn_pci_probe_nomatch(device_t dev, device_t child) 207 { 208 const char *name; 209 210 name = device_get_name(child); 211 if (name == NULL) 212 name = "unknown device"; 213 214 device_printf(dev, "<%s> (no driver attached)\n", name); 215 } 216 217 static const struct bhndb_hwcfg * 218 bwn_pci_get_generic_hwcfg(device_t dev, device_t child) 219 { 220 struct bwn_pci_softc *sc = device_get_softc(dev); 221 return (sc->devcfg->bridge_hwcfg); 222 } 223 224 static const struct bhndb_hw * 225 bwn_pci_get_bhndb_hwtable(device_t dev, device_t child) 226 { 227 struct bwn_pci_softc *sc = device_get_softc(dev); 228 return (sc->devcfg->bridge_hwtable); 229 } 230 231 static const struct bhndb_hw_priority * 232 bwn_pci_get_bhndb_hwprio(device_t dev, device_t child) 233 { 234 struct bwn_pci_softc *sc = device_get_softc(dev); 235 return (sc->devcfg->bridge_hwprio); 236 } 237 238 static bool 239 bwn_pci_is_core_disabled(device_t dev, device_t child, 240 struct bhnd_core_info *core) 241 { 242 struct bwn_pci_softc *sc; 243 244 sc = device_get_softc(dev); 245 246 switch (bhnd_core_class(core)) { 247 case BHND_DEVCLASS_WLAN: 248 if (core->unit > 0 && !(sc->quirks & BWN_QUIRK_WLAN_DUALCORE)) 249 return (true); 250 251 return (false); 252 253 case BHND_DEVCLASS_ENET: 254 case BHND_DEVCLASS_ENET_MAC: 255 case BHND_DEVCLASS_ENET_PHY: 256 return ((sc->quirks & BWN_QUIRK_ENET_HW_UNPOPULATED) != 0); 257 258 case BHND_DEVCLASS_USB_HOST: 259 return ((sc->quirks & BWN_QUIRK_USBH_UNPOPULATED) != 0); 260 261 case BHND_DEVCLASS_SOFTMODEM: 262 return ((sc->quirks & BWN_QUIRK_SOFTMODEM_UNPOPULATED) != 0); 263 264 default: 265 return (false); 266 } 267 } 268 269 static device_method_t bwn_pci_methods[] = { 270 /* Device interface */ 271 DEVMETHOD(device_probe, bwn_pci_probe), 272 DEVMETHOD(device_attach, bwn_pci_attach), 273 DEVMETHOD(device_detach, bwn_pci_detach), 274 DEVMETHOD(device_shutdown, bus_generic_shutdown), 275 DEVMETHOD(device_suspend, bus_generic_suspend), 276 DEVMETHOD(device_resume, bus_generic_resume), 277 278 /* Bus interface */ 279 DEVMETHOD(bus_probe_nomatch, bwn_pci_probe_nomatch), 280 281 /* BHNDB_BUS Interface */ 282 DEVMETHOD(bhndb_bus_get_generic_hwcfg, bwn_pci_get_generic_hwcfg), 283 DEVMETHOD(bhndb_bus_get_hardware_table, bwn_pci_get_bhndb_hwtable), 284 DEVMETHOD(bhndb_bus_get_hardware_prio, bwn_pci_get_bhndb_hwprio), 285 DEVMETHOD(bhndb_bus_is_core_disabled, bwn_pci_is_core_disabled), 286 287 DEVMETHOD_END 288 }; 289 290 DEFINE_CLASS_0(bwn_pci, bwn_pci_driver, bwn_pci_methods, 291 sizeof(struct bwn_pci_softc)); 292 DRIVER_MODULE_ORDERED(bwn_pci, pci, bwn_pci_driver, NULL, NULL, SI_ORDER_ANY); 293 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, bwn_siba, 294 siba_devices, nitems(siba_devices) - 1); 295 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, bwn_bcma, 296 bcma_devices, nitems(bcma_devices) - 1); 297 DRIVER_MODULE(bhndb, bwn_pci, bhndb_pci_driver, NULL, NULL); 298 299 MODULE_DEPEND(bwn_pci, bwn, 1, 1, 1); 300 MODULE_DEPEND(bwn_pci, bhnd, 1, 1, 1); 301 MODULE_DEPEND(bwn_pci, bhndb, 1, 1, 1); 302 MODULE_DEPEND(bwn_pci, bhndb_pci, 1, 1, 1); 303 MODULE_DEPEND(bwn_pci, bcma_bhndb, 1, 1, 1); 304 MODULE_DEPEND(bwn_pci, siba_bhndb, 1, 1, 1); 305 MODULE_VERSION(bwn_pci, 1); 306