bc0784fd1f
Broadcom Intensi-fi chipsets provided a common set of IP cores; on PCI/PCIe devices, the USB11 host controller is left floating. Approved by: adrian (mentor, implicit)
309 lines
8.7 KiB
C
309 lines
8.7 KiB
C
/*-
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* Copyright (c) 2015-2016 Landon Fuller <landonf@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_bwn.h"
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#include "opt_wlan.h"
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/bhnd/bhndb/bhndb_pcivar.h>
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#include <dev/bhnd/bhndb/bhndb_hwdata.h>
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#include <dev/bhnd/bhndb/bhndb_pci_hwdata.h>
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#include <dev/bhnd/bhnd_ids.h>
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#include "bhndb_bus_if.h"
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#include "if_bwn_pcivar.h"
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/* If non-zero, enable attachment of BWN_QUIRK_UNTESTED devices */
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static int attach_untested = 0;
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TUNABLE_INT("hw.bwn_pci.attach_untested", &attach_untested);
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/* If non-zero, probe at a higher priority than the stable if_bwn driver. */
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static int prefer_new_driver = 0;
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TUNABLE_INT("hw.bwn_pci.preferred", &prefer_new_driver);
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/* SIBA Devices */
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static const struct bwn_pci_device siba_devices[] = {
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BWN_BCM_DEV(BCM4301, "BCM4301 802.11b",
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BWN_QUIRK_ENET_HW_UNPOPULATED),
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BWN_BCM_DEV(BCM4306, "BCM4306 802.11b/g", 0),
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BWN_BCM_DEV(BCM4306_D11G, "BCM4306 802.11g", 0),
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BWN_BCM_DEV(BCM4306_D11A, "BCM4306 802.11a",
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BWN_QUIRK_WLAN_DUALCORE),
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BWN_BCM_DEV(BCM4306_D11DUAL, "BCM4306 802.11a/b",
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BWN_QUIRK_WLAN_DUALCORE),
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BWN_BCM_DEV(BCM4306_D11G_ID2, "BCM4306 802.11g", 0),
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BWN_BCM_DEV(BCM4307, "BCM4307 802.11b", 0),
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BWN_BCM_DEV(BCM4311_D11G, "BCM4311 802.11b/g", 0),
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BWN_BCM_DEV(BCM4311_D11DUAL, "BCM4311 802.11a/b/g", 0),
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BWN_BCM_DEV(BCM4311_D11A, "BCM4311 802.11a",
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BWN_QUIRK_UNTESTED|BWN_QUIRK_WLAN_DUALCORE),
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BWN_BCM_DEV(BCM4318_D11G, "BCM4318 802.11b/g", 0),
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BWN_BCM_DEV(BCM4318_D11DUAL, "BCM4318 802.11a/b/g", 0),
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BWN_BCM_DEV(BCM4318_D11A, "BCM4318 802.11a",
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BWN_QUIRK_UNTESTED|BWN_QUIRK_WLAN_DUALCORE),
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BWN_BCM_DEV(BCM4321_D11N, "BCM4321 802.11n Dual-Band",
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BWN_QUIRK_USBH_UNPOPULATED),
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BWN_BCM_DEV(BCM4321_D11N2G, "BCM4321 802.11n 2GHz",
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BWN_QUIRK_USBH_UNPOPULATED),
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BWN_BCM_DEV(BCM4321_D11N2G, "BCM4321 802.11n 5GHz",
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BWN_QUIRK_UNTESTED|BWN_QUIRK_USBH_UNPOPULATED),
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BWN_BCM_DEV(BCM4322_D11N, "BCM4322 802.11n Dual-Band", 0),
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BWN_BCM_DEV(BCM4322_D11N2G, "BCM4322 802.11n 2GHz",
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BWN_QUIRK_UNTESTED),
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BWN_BCM_DEV(BCM4322_D11N5G, "BCM4322 802.11n 5GHz",
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BWN_QUIRK_UNTESTED),
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BWN_BCM_DEV(BCM4328_D11G, "BCM4328/4312 802.11g", 0),
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{ 0, 0, NULL, 0 }
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};
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/** BCMA Devices */
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static const struct bwn_pci_device bcma_devices[] = {
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BWN_BCM_DEV(BCM4331_D11N, "BCM4331 802.11n Dual-Band", 0),
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BWN_BCM_DEV(BCM4331_D11N2G, "BCM4331 802.11n 2GHz", 0),
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BWN_BCM_DEV(BCM4331_D11N5G, "BCM4331 802.11n 5GHz", 0),
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BWN_BCM_DEV(BCM43225_D11N2G, "BCM43225 802.11n 2GHz", 0),
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{ 0, 0, NULL, 0}
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};
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/** Device configuration table */
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static const struct bwn_pci_devcfg bwn_pci_devcfgs[] = {
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/* SIBA devices */
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{
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.bridge_hwcfg = &bhndb_pci_siba_generic_hwcfg,
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.bridge_hwtable = bhndb_pci_generic_hw_table,
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.bridge_hwprio = bhndb_siba_priority_table,
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.devices = siba_devices
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},
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/* BCMA devices */
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{
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.bridge_hwcfg = &bhndb_pci_bcma_generic_hwcfg,
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.bridge_hwtable = bhndb_pci_generic_hw_table,
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.bridge_hwprio = bhndb_bcma_priority_table,
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.devices = bcma_devices
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},
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{ NULL, NULL, NULL }
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};
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/** Search the device configuration table for an entry matching @p dev. */
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static int
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bwn_pci_find_devcfg(device_t dev, const struct bwn_pci_devcfg **cfg,
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const struct bwn_pci_device **device)
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{
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const struct bwn_pci_devcfg *dvc;
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const struct bwn_pci_device *dv;
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for (dvc = bwn_pci_devcfgs; dvc->devices != NULL; dvc++) {
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for (dv = dvc->devices; dv->device != 0; dv++) {
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if (pci_get_vendor(dev) == dv->vendor &&
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pci_get_device(dev) == dv->device)
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{
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if (cfg != NULL)
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*cfg = dvc;
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if (device != NULL)
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*device = dv;
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return (0);
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}
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}
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}
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return (ENOENT);
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}
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static int
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bwn_pci_probe(device_t dev)
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{
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const struct bwn_pci_device *ident;
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if (bwn_pci_find_devcfg(dev, NULL, &ident))
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return (ENXIO);
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/* Skip untested devices */
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if (ident->quirks & BWN_QUIRK_UNTESTED && !attach_untested)
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return (ENXIO);
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device_set_desc(dev, ident->desc);
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/* Until this driver is complete, require explicit opt-in before
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* superceding if_bwn/siba_bwn. */
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if (prefer_new_driver)
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return (BUS_PROBE_DEFAULT+1);
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else
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return (BUS_PROBE_LOW_PRIORITY);
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// return (BUS_PROBE_DEFAULT);
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}
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static int
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bwn_pci_attach(device_t dev)
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{
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struct bwn_pci_softc *sc;
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const struct bwn_pci_device *ident;
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int error;
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sc = device_get_softc(dev);
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sc->dev = dev;
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/* Find our hardware config */
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if (bwn_pci_find_devcfg(dev, &sc->devcfg, &ident))
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return (ENXIO);
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/* Save quirk flags */
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sc->quirks = ident->quirks;
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/* Attach bridge device */
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if ((error = bhndb_attach_bridge(dev, &sc->bhndb_dev, -1)))
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return (ENXIO);
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/* Success */
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return (0);
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}
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static int
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bwn_pci_detach(device_t dev)
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{
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return (bus_generic_detach(dev));
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}
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static void
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bwn_pci_probe_nomatch(device_t dev, device_t child)
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{
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const char *name;
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name = device_get_name(child);
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if (name == NULL)
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name = "unknown device";
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device_printf(dev, "<%s> (no driver attached)\n", name);
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}
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static const struct bhndb_hwcfg *
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bwn_pci_get_generic_hwcfg(device_t dev, device_t child)
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{
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struct bwn_pci_softc *sc = device_get_softc(dev);
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return (sc->devcfg->bridge_hwcfg);
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}
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static const struct bhndb_hw *
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bwn_pci_get_bhndb_hwtable(device_t dev, device_t child)
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{
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struct bwn_pci_softc *sc = device_get_softc(dev);
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return (sc->devcfg->bridge_hwtable);
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}
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static const struct bhndb_hw_priority *
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bwn_pci_get_bhndb_hwprio(device_t dev, device_t child)
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{
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struct bwn_pci_softc *sc = device_get_softc(dev);
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return (sc->devcfg->bridge_hwprio);
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}
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static bool
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bwn_pci_is_core_disabled(device_t dev, device_t child,
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struct bhnd_core_info *core)
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{
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struct bwn_pci_softc *sc;
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sc = device_get_softc(dev);
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switch (bhnd_core_class(core)) {
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case BHND_DEVCLASS_WLAN:
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if (core->unit > 0 && !(sc->quirks & BWN_QUIRK_WLAN_DUALCORE))
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return (true);
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return (false);
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case BHND_DEVCLASS_ENET:
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case BHND_DEVCLASS_ENET_MAC:
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case BHND_DEVCLASS_ENET_PHY:
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return ((sc->quirks & BWN_QUIRK_ENET_HW_UNPOPULATED) != 0);
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case BHND_DEVCLASS_USB_HOST:
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return ((sc->quirks & BWN_QUIRK_USBH_UNPOPULATED) != 0);
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default:
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return (false);
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}
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}
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static device_method_t bwn_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, bwn_pci_probe),
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DEVMETHOD(device_attach, bwn_pci_attach),
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DEVMETHOD(device_detach, bwn_pci_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_probe_nomatch, bwn_pci_probe_nomatch),
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/* BHNDB_BUS Interface */
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DEVMETHOD(bhndb_bus_get_generic_hwcfg, bwn_pci_get_generic_hwcfg),
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DEVMETHOD(bhndb_bus_get_hardware_table, bwn_pci_get_bhndb_hwtable),
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DEVMETHOD(bhndb_bus_get_hardware_prio, bwn_pci_get_bhndb_hwprio),
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DEVMETHOD(bhndb_bus_is_core_disabled, bwn_pci_is_core_disabled),
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DEVMETHOD_END
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};
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static devclass_t bwn_pci_devclass;
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DEFINE_CLASS_0(bwn_pci, bwn_pci_driver, bwn_pci_methods, sizeof(struct bwn_pci_softc));
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DRIVER_MODULE(bwn_pci, pci, bwn_pci_driver, bwn_pci_devclass, NULL, NULL);
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DRIVER_MODULE(bhndb, bwn_pci, bhndb_pci_driver, bhndb_devclass, NULL, NULL);
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MODULE_DEPEND(bwn_pci, bwn, 1, 1, 1);
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MODULE_DEPEND(bwn_pci, bhndb, 1, 1, 1);
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MODULE_DEPEND(bwn_pci, bhndb_pci, 1, 1, 1);
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MODULE_DEPEND(bwn_pci, bcma_bhndb, 1, 1, 1);
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MODULE_DEPEND(bwn_pci, siba_bhndb, 1, 1, 1);
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