if_bwn_pci.c

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    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         { 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);
Cache object: 49ff60d6ddf128e42dfe4b3411bf5ece
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FreeBSD/Linux Kernel Cross Reference sys/dev/bwn/if_bwn_pci.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/bwn/if_bwn_pci.c
