1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 94 { 0, 0, NULL, 0 } 95 }; 96 97 /** BCMA Devices */ 98 static const struct bwn_pci_device bcma_devices[] = { 99 BWN_BCM_DEV(BCM4331_D11N, "BCM4331 802.11n Dual-Band", 0), 100 BWN_BCM_DEV(BCM4331_D11N2G, "BCM4331 802.11n 2GHz", 0), 101 BWN_BCM_DEV(BCM4331_D11N5G, "BCM4331 802.11n 5GHz", 0), 102 BWN_BCM_DEV(BCM43224_D11N, "BCM43224 802.11n Dual-Band", 0), 103 BWN_BCM_DEV(BCM43224_D11N_ID_VEN1, "BCM43224 802.11n Dual-Band",0), 104 BWN_BCM_DEV(BCM43225_D11N2G, "BCM43225 802.11n 2GHz", 0), 105 106 { 0, 0, NULL, 0} 107 }; 108 109 /** Device configuration table */ 110 static const struct bwn_pci_devcfg bwn_pci_devcfgs[] = { 111 /* SIBA devices */ 112 { 113 .bridge_hwcfg = &bhndb_pci_siba_generic_hwcfg, 114 .bridge_hwtable = bhndb_pci_generic_hw_table, 115 .bridge_hwprio = bhndb_siba_priority_table, 116 .devices = siba_devices 117 }, 118 /* BCMA devices */ 119 { 120 .bridge_hwcfg = &bhndb_pci_bcma_generic_hwcfg, 121 .bridge_hwtable = bhndb_pci_generic_hw_table, 122 .bridge_hwprio = bhndb_bcma_priority_table, 123 .devices = bcma_devices 124 }, 125 { NULL, NULL, NULL } 126 }; 127 128 /** Search the device configuration table for an entry matching @p dev. */ 129 static int 130 bwn_pci_find_devcfg(device_t dev, const struct bwn_pci_devcfg **cfg, 131 const struct bwn_pci_device **device) 132 { 133 const struct bwn_pci_devcfg *dvc; 134 const struct bwn_pci_device *dv; 135 136 for (dvc = bwn_pci_devcfgs; dvc->devices != NULL; dvc++) { 137 for (dv = dvc->devices; dv->device != 0; dv++) { 138 if (pci_get_vendor(dev) == dv->vendor && 139 pci_get_device(dev) == dv->device) 140 { 141 if (cfg != NULL) 142 *cfg = dvc; 143 144 if (device != NULL) 145 *device = dv; 146 147 return (0); 148 } 149 } 150 } 151 152 return (ENOENT); 153 } 154 155 static int 156 bwn_pci_probe(device_t dev) 157 { 158 const struct bwn_pci_device *ident; 159 160 if (bwn_pci_find_devcfg(dev, NULL, &ident)) 161 return (ENXIO); 162 163 /* Skip untested devices */ 164 if (ident->quirks & BWN_QUIRK_UNTESTED && !attach_untested) 165 return (ENXIO); 166 167 device_set_desc(dev, ident->desc); 168 return (BUS_PROBE_DEFAULT); 169 } 170 171 static int 172 bwn_pci_attach(device_t dev) 173 { 174 struct bwn_pci_softc *sc; 175 const struct bwn_pci_device *ident; 176 int error; 177 178 sc = device_get_softc(dev); 179 sc->dev = dev; 180 181 /* Find our hardware config */ 182 if (bwn_pci_find_devcfg(dev, &sc->devcfg, &ident)) 183 return (ENXIO); 184 185 /* Save quirk flags */ 186 sc->quirks = ident->quirks; 187 188 /* Attach bridge device */ 189 if ((error = bhndb_attach_bridge(dev, &sc->bhndb_dev, -1))) 190 return (ENXIO); 191 192 /* Success */ 193 return (0); 194 } 195 196 static int 197 bwn_pci_detach(device_t dev) 198 { 199 int error; 200 201 if ((error = bus_generic_detach(dev))) 202 return (error); 203 204 return (device_delete_children(dev)); 205 } 206 207 static void 208 bwn_pci_probe_nomatch(device_t dev, device_t child) 209 { 210 const char *name; 211 212 name = device_get_name(child); 213 if (name == NULL) 214 name = "unknown device"; 215 216 device_printf(dev, "<%s> (no driver attached)\n", name); 217 } 218 219 static const struct bhndb_hwcfg * 220 bwn_pci_get_generic_hwcfg(device_t dev, device_t child) 221 { 222 struct bwn_pci_softc *sc = device_get_softc(dev); 223 return (sc->devcfg->bridge_hwcfg); 224 } 225 226 static const struct bhndb_hw * 227 bwn_pci_get_bhndb_hwtable(device_t dev, device_t child) 228 { 229 struct bwn_pci_softc *sc = device_get_softc(dev); 230 return (sc->devcfg->bridge_hwtable); 231 } 232 233 static const struct bhndb_hw_priority * 234 bwn_pci_get_bhndb_hwprio(device_t dev, device_t child) 235 { 236 struct bwn_pci_softc *sc = device_get_softc(dev); 237 return (sc->devcfg->bridge_hwprio); 238 } 239 240 static bool 241 bwn_pci_is_core_disabled(device_t dev, device_t child, 242 struct bhnd_core_info *core) 243 { 244 struct bwn_pci_softc *sc; 245 246 sc = device_get_softc(dev); 247 248 switch (bhnd_core_class(core)) { 249 case BHND_DEVCLASS_WLAN: 250 if (core->unit > 0 && !(sc->quirks & BWN_QUIRK_WLAN_DUALCORE)) 251 return (true); 252 253 return (false); 254 255 case BHND_DEVCLASS_ENET: 256 case BHND_DEVCLASS_ENET_MAC: 257 case BHND_DEVCLASS_ENET_PHY: 258 return ((sc->quirks & BWN_QUIRK_ENET_HW_UNPOPULATED) != 0); 259 260 case BHND_DEVCLASS_USB_HOST: 261 return ((sc->quirks & BWN_QUIRK_USBH_UNPOPULATED) != 0); 262 263 case BHND_DEVCLASS_SOFTMODEM: 264 return ((sc->quirks & BWN_QUIRK_SOFTMODEM_UNPOPULATED) != 0); 265 266 default: 267 return (false); 268 } 269 } 270 271 static device_method_t bwn_pci_methods[] = { 272 /* Device interface */ 273 DEVMETHOD(device_probe, bwn_pci_probe), 274 DEVMETHOD(device_attach, bwn_pci_attach), 275 DEVMETHOD(device_detach, bwn_pci_detach), 276 DEVMETHOD(device_shutdown, bus_generic_shutdown), 277 DEVMETHOD(device_suspend, bus_generic_suspend), 278 DEVMETHOD(device_resume, bus_generic_resume), 279 280 /* Bus interface */ 281 DEVMETHOD(bus_probe_nomatch, bwn_pci_probe_nomatch), 282 283 /* BHNDB_BUS Interface */ 284 DEVMETHOD(bhndb_bus_get_generic_hwcfg, bwn_pci_get_generic_hwcfg), 285 DEVMETHOD(bhndb_bus_get_hardware_table, bwn_pci_get_bhndb_hwtable), 286 DEVMETHOD(bhndb_bus_get_hardware_prio, bwn_pci_get_bhndb_hwprio), 287 DEVMETHOD(bhndb_bus_is_core_disabled, bwn_pci_is_core_disabled), 288 289 DEVMETHOD_END 290 }; 291 292 static devclass_t bwn_pci_devclass; 293 294 DEFINE_CLASS_0(bwn_pci, bwn_pci_driver, bwn_pci_methods, 295 sizeof(struct bwn_pci_softc)); 296 DRIVER_MODULE_ORDERED(bwn_pci, pci, bwn_pci_driver, bwn_pci_devclass, NULL, 297 NULL, SI_ORDER_ANY); 298 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, bwn_siba, 299 siba_devices, sizeof(siba_devices[0]), nitems(siba_devices) - 1); 300 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, bwn_bcma, 301 bcma_devices, sizeof(bcma_devices[0]), nitems(bcma_devices) - 1); 302 DRIVER_MODULE(bhndb, bwn_pci, bhndb_pci_driver, bhndb_devclass, NULL, NULL); 303 304 MODULE_DEPEND(bwn_pci, bwn, 1, 1, 1); 305 MODULE_DEPEND(bwn_pci, bhnd, 1, 1, 1); 306 MODULE_DEPEND(bwn_pci, bhndb, 1, 1, 1); 307 MODULE_DEPEND(bwn_pci, bhndb_pci, 1, 1, 1); 308 MODULE_DEPEND(bwn_pci, bcma_bhndb, 1, 1, 1); 309 MODULE_DEPEND(bwn_pci, siba_bhndb, 1, 1, 1); 310 MODULE_VERSION(bwn_pci, 1); 311