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 #include "opt_bwn.h" 31 #include "opt_wlan.h" 32 33 #include <sys/param.h> 34 #include <sys/kernel.h> 35 #include <sys/bus.h> 36 #include <sys/module.h> 37 38 #include <dev/pci/pcireg.h> 39 #include <dev/pci/pcivar.h> 40 41 #include <dev/bhnd/bhndb/bhndb_pcivar.h> 42 #include <dev/bhnd/bhndb/bhndb_hwdata.h> 43 #include <dev/bhnd/bhndb/bhndb_pci_hwdata.h> 44 45 #include <dev/bhnd/bhnd_ids.h> 46 47 #include "bhndb_bus_if.h" 48 49 #include "if_bwn_pcivar.h" 50 51 /* If non-zero, enable attachment of BWN_QUIRK_UNTESTED devices */ 52 static int attach_untested = 0; 53 TUNABLE_INT("hw.bwn_pci.attach_untested", &attach_untested); 54 55 /* SIBA Devices */ 56 static const struct bwn_pci_device siba_devices[] = { 57 BWN_BCM_DEV(BCM4306_D11A, "BCM4306 802.11a", 58 BWN_QUIRK_WLAN_DUALCORE|BWN_QUIRK_SOFTMODEM_UNPOPULATED), 59 BWN_BCM_DEV(BCM4306_D11G, "BCM4306 802.11b/g", 60 BWN_QUIRK_SOFTMODEM_UNPOPULATED), 61 BWN_BCM_DEV(BCM4306_D11G_ID2, "BCM4306 802.11b/g", 62 BWN_QUIRK_SOFTMODEM_UNPOPULATED), 63 BWN_BCM_DEV(BCM4306_D11DUAL, "BCM4306 802.11a/b/g", 64 BWN_QUIRK_SOFTMODEM_UNPOPULATED), 65 BWN_BCM_DEV(BCM4307, "BCM4307 802.11b", 0), 66 67 BWN_BCM_DEV(BCM4311_D11G, "BCM4311 802.11b/g", 0), 68 BWN_BCM_DEV(BCM4311_D11DUAL, "BCM4311 802.11a/b/g", 0), 69 BWN_BCM_DEV(BCM4311_D11A, "BCM4311 802.11a", 70 BWN_QUIRK_UNTESTED|BWN_QUIRK_WLAN_DUALCORE), 71 72 BWN_BCM_DEV(BCM4318_D11G, "BCM4318 802.11b/g", 0), 73 BWN_BCM_DEV(BCM4318_D11DUAL, "BCM4318 802.11a/b/g", 0), 74 BWN_BCM_DEV(BCM4318_D11A, "BCM4318 802.11a", 75 BWN_QUIRK_UNTESTED|BWN_QUIRK_WLAN_DUALCORE), 76 77 BWN_BCM_DEV(BCM4321_D11N, "BCM4321 802.11n Dual-Band", 78 BWN_QUIRK_USBH_UNPOPULATED), 79 BWN_BCM_DEV(BCM4321_D11N2G, "BCM4321 802.11n 2GHz", 80 BWN_QUIRK_USBH_UNPOPULATED), 81 BWN_BCM_DEV(BCM4321_D11N5G, "BCM4321 802.11n 5GHz", 82 BWN_QUIRK_UNTESTED|BWN_QUIRK_USBH_UNPOPULATED), 83 84 BWN_BCM_DEV(BCM4322_D11N, "BCM4322 802.11n Dual-Band", 0), 85 BWN_BCM_DEV(BCM4322_D11N2G, "BCM4322 802.11n 2GHz", 86 BWN_QUIRK_UNTESTED), 87 BWN_BCM_DEV(BCM4322_D11N5G, "BCM4322 802.11n 5GHz", 88 BWN_QUIRK_UNTESTED), 89 90 BWN_BCM_DEV(BCM4328_D11G, "BCM4328/4312 802.11g", 0), 91 { 0, 0, NULL, 0 } 92 }; 93 94 /** BCMA Devices */ 95 static const struct bwn_pci_device bcma_devices[] = { 96 BWN_BCM_DEV(BCM4331_D11N, "BCM4331 802.11n Dual-Band", 0), 97 BWN_BCM_DEV(BCM4331_D11N2G, "BCM4331 802.11n 2GHz", 0), 98 BWN_BCM_DEV(BCM4331_D11N5G, "BCM4331 802.11n 5GHz", 0), 99 BWN_BCM_DEV(BCM43224_D11N, "BCM43224 802.11n Dual-Band", 0), 100 BWN_BCM_DEV(BCM43224_D11N_ID_VEN1, "BCM43224 802.11n Dual-Band",0), 101 BWN_BCM_DEV(BCM43225_D11N2G, "BCM43225 802.11n 2GHz", 0), 102 { 0, 0, NULL, 0} 103 }; 104 105 /** Device configuration table */ 106 static const struct bwn_pci_devcfg bwn_pci_devcfgs[] = { 107 /* SIBA devices */ 108 { 109 .bridge_hwcfg = &bhndb_pci_siba_generic_hwcfg, 110 .bridge_hwtable = bhndb_pci_generic_hw_table, 111 .bridge_hwprio = bhndb_siba_priority_table, 112 .devices = siba_devices 113 }, 114 /* BCMA devices */ 115 { 116 .bridge_hwcfg = &bhndb_pci_bcma_generic_hwcfg, 117 .bridge_hwtable = bhndb_pci_generic_hw_table, 118 .bridge_hwprio = bhndb_bcma_priority_table, 119 .devices = bcma_devices 120 }, 121 { NULL, NULL, NULL } 122 }; 123 124 /** Search the device configuration table for an entry matching @p dev. */ 125 static int 126 bwn_pci_find_devcfg(device_t dev, const struct bwn_pci_devcfg **cfg, 127 const struct bwn_pci_device **device) 128 { 129 const struct bwn_pci_devcfg *dvc; 130 const struct bwn_pci_device *dv; 131 132 for (dvc = bwn_pci_devcfgs; dvc->devices != NULL; dvc++) { 133 for (dv = dvc->devices; dv->device != 0; dv++) { 134 if (pci_get_vendor(dev) == dv->vendor && 135 pci_get_device(dev) == dv->device) 136 { 137 if (cfg != NULL) 138 *cfg = dvc; 139 140 if (device != NULL) 141 *device = dv; 142 143 return (0); 144 } 145 } 146 } 147 148 return (ENOENT); 149 } 150 151 static int 152 bwn_pci_probe(device_t dev) 153 { 154 const struct bwn_pci_device *ident; 155 156 if (bwn_pci_find_devcfg(dev, NULL, &ident)) 157 return (ENXIO); 158 159 /* Skip untested devices */ 160 if (ident->quirks & BWN_QUIRK_UNTESTED && !attach_untested) 161 return (ENXIO); 162 163 device_set_desc(dev, ident->desc); 164 return (BUS_PROBE_DEFAULT); 165 } 166 167 static int 168 bwn_pci_attach(device_t dev) 169 { 170 struct bwn_pci_softc *sc; 171 const struct bwn_pci_device *ident; 172 int error; 173 174 sc = device_get_softc(dev); 175 sc->dev = dev; 176 177 /* Find our hardware config */ 178 if (bwn_pci_find_devcfg(dev, &sc->devcfg, &ident)) 179 return (ENXIO); 180 181 /* Save quirk flags */ 182 sc->quirks = ident->quirks; 183 184 /* Attach bridge device */ 185 if ((error = bhndb_attach_bridge(dev, &sc->bhndb_dev, -1))) 186 return (ENXIO); 187 188 /* Success */ 189 return (0); 190 } 191 192 static int 193 bwn_pci_detach(device_t dev) 194 { 195 int error; 196 197 if ((error = bus_generic_detach(dev))) 198 return (error); 199 200 return (device_delete_children(dev)); 201 } 202 203 static void 204 bwn_pci_probe_nomatch(device_t dev, device_t child) 205 { 206 const char *name; 207 208 name = device_get_name(child); 209 if (name == NULL) 210 name = "unknown device"; 211 212 device_printf(dev, "<%s> (no driver attached)\n", name); 213 } 214 215 static const struct bhndb_hwcfg * 216 bwn_pci_get_generic_hwcfg(device_t dev, device_t child) 217 { 218 struct bwn_pci_softc *sc = device_get_softc(dev); 219 return (sc->devcfg->bridge_hwcfg); 220 } 221 222 static const struct bhndb_hw * 223 bwn_pci_get_bhndb_hwtable(device_t dev, device_t child) 224 { 225 struct bwn_pci_softc *sc = device_get_softc(dev); 226 return (sc->devcfg->bridge_hwtable); 227 } 228 229 static const struct bhndb_hw_priority * 230 bwn_pci_get_bhndb_hwprio(device_t dev, device_t child) 231 { 232 struct bwn_pci_softc *sc = device_get_softc(dev); 233 return (sc->devcfg->bridge_hwprio); 234 } 235 236 static bool 237 bwn_pci_is_core_disabled(device_t dev, device_t child, 238 struct bhnd_core_info *core) 239 { 240 struct bwn_pci_softc *sc; 241 242 sc = device_get_softc(dev); 243 244 switch (bhnd_core_class(core)) { 245 case BHND_DEVCLASS_WLAN: 246 if (core->unit > 0 && !(sc->quirks & BWN_QUIRK_WLAN_DUALCORE)) 247 return (true); 248 249 return (false); 250 251 case BHND_DEVCLASS_ENET: 252 case BHND_DEVCLASS_ENET_MAC: 253 case BHND_DEVCLASS_ENET_PHY: 254 return ((sc->quirks & BWN_QUIRK_ENET_HW_UNPOPULATED) != 0); 255 256 case BHND_DEVCLASS_USB_HOST: 257 return ((sc->quirks & BWN_QUIRK_USBH_UNPOPULATED) != 0); 258 259 case BHND_DEVCLASS_SOFTMODEM: 260 return ((sc->quirks & BWN_QUIRK_SOFTMODEM_UNPOPULATED) != 0); 261 262 default: 263 return (false); 264 } 265 } 266 267 static device_method_t bwn_pci_methods[] = { 268 /* Device interface */ 269 DEVMETHOD(device_probe, bwn_pci_probe), 270 DEVMETHOD(device_attach, bwn_pci_attach), 271 DEVMETHOD(device_detach, bwn_pci_detach), 272 DEVMETHOD(device_shutdown, bus_generic_shutdown), 273 DEVMETHOD(device_suspend, bus_generic_suspend), 274 DEVMETHOD(device_resume, bus_generic_resume), 275 276 /* Bus interface */ 277 DEVMETHOD(bus_probe_nomatch, bwn_pci_probe_nomatch), 278 279 /* BHNDB_BUS Interface */ 280 DEVMETHOD(bhndb_bus_get_generic_hwcfg, bwn_pci_get_generic_hwcfg), 281 DEVMETHOD(bhndb_bus_get_hardware_table, bwn_pci_get_bhndb_hwtable), 282 DEVMETHOD(bhndb_bus_get_hardware_prio, bwn_pci_get_bhndb_hwprio), 283 DEVMETHOD(bhndb_bus_is_core_disabled, bwn_pci_is_core_disabled), 284 285 DEVMETHOD_END 286 }; 287 288 DEFINE_CLASS_0(bwn_pci, bwn_pci_driver, bwn_pci_methods, 289 sizeof(struct bwn_pci_softc)); 290 DRIVER_MODULE_ORDERED(bwn_pci, pci, bwn_pci_driver, NULL, NULL, SI_ORDER_ANY); 291 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, bwn_siba, 292 siba_devices, nitems(siba_devices) - 1); 293 MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, bwn_bcma, 294 bcma_devices, nitems(bcma_devices) - 1); 295 DRIVER_MODULE(bhndb, bwn_pci, bhndb_pci_driver, NULL, NULL); 296 297 MODULE_DEPEND(bwn_pci, bwn, 1, 1, 1); 298 MODULE_DEPEND(bwn_pci, bhnd, 1, 1, 1); 299 MODULE_DEPEND(bwn_pci, bhndb, 1, 1, 1); 300 MODULE_DEPEND(bwn_pci, bhndb_pci, 1, 1, 1); 301 MODULE_DEPEND(bwn_pci, bcma_bhndb, 1, 1, 1); 302 MODULE_DEPEND(bwn_pci, siba_bhndb, 1, 1, 1); 303 MODULE_VERSION(bwn_pci, 1); 304