7218dd5f5a
the total LOC. These are mostly for the 6.x branch and it will be easier to cherrypick any changes (if at all).
342 lines
8.9 KiB
C
342 lines
8.9 KiB
C
/*-
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* Copyright (c) 2003
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* Bill Paul <wpaul@windriver.com>. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* 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 IN
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* 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 DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/socket.h>
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#include <sys/queue.h>
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#include <sys/sysctl.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <net80211/ieee80211_var.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <compat/ndis/pe_var.h>
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#include <compat/ndis/cfg_var.h>
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#include <compat/ndis/resource_var.h>
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#include <compat/ndis/ntoskrnl_var.h>
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#include <compat/ndis/ndis_var.h>
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#include <dev/if_ndis/if_ndisvar.h>
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MODULE_DEPEND(ndis, pci, 1, 1, 1);
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static int ndis_probe_pci (device_t);
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static int ndis_attach_pci (device_t);
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static struct resource_list *ndis_get_resource_list
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(device_t, device_t);
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static int ndis_devcompare (interface_type,
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struct ndis_pci_type *, device_t);
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extern int ndisdrv_modevent (module_t, int, void *);
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extern int ndis_attach (device_t);
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extern int ndis_shutdown (device_t);
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extern int ndis_detach (device_t);
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extern int ndis_suspend (device_t);
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extern int ndis_resume (device_t);
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static device_method_t ndis_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ndis_probe_pci),
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DEVMETHOD(device_attach, ndis_attach_pci),
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DEVMETHOD(device_detach, ndis_detach),
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DEVMETHOD(device_shutdown, ndis_shutdown),
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DEVMETHOD(device_suspend, ndis_suspend),
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DEVMETHOD(device_resume, ndis_resume),
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/* Bus interface */
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DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
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{ 0, 0 }
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};
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static driver_t ndis_driver = {
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"ndis",
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ndis_methods,
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sizeof(struct ndis_softc)
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};
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static devclass_t ndis_devclass;
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DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
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DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
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static int
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ndis_devcompare(bustype, t, dev)
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interface_type bustype;
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struct ndis_pci_type *t;
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device_t dev;
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{
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if (bustype != PCIBus)
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return(FALSE);
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while(t->ndis_name != NULL) {
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if ((pci_get_vendor(dev) == t->ndis_vid) &&
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(pci_get_device(dev) == t->ndis_did) &&
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((pci_read_config(dev, PCIR_SUBVEND_0, 4) ==
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t->ndis_subsys) || t->ndis_subsys == 0)) {
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device_set_desc(dev, t->ndis_name);
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return(TRUE);
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}
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t++;
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}
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return(FALSE);
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}
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/*
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* Probe for an NDIS device. Check the PCI vendor and device
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* IDs against our list and return a device name if we find a match.
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*/
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static int
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ndis_probe_pci(dev)
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device_t dev;
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{
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driver_object *drv;
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struct drvdb_ent *db;
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drv = windrv_lookup(0, "PCI Bus");
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if (drv == NULL)
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return(ENXIO);
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db = windrv_match((matchfuncptr)ndis_devcompare, dev);
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if (db != NULL) {
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/* Create PDO for this device instance */
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windrv_create_pdo(drv, dev);
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return(0);
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}
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return(ENXIO);
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}
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/*
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* Attach the interface. Allocate softc structures, do ifmedia
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* setup and ethernet/BPF attach.
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*/
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static int
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ndis_attach_pci(dev)
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device_t dev;
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{
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struct ndis_softc *sc;
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int unit, error = 0, rid;
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struct ndis_pci_type *t;
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int devidx = 0, defidx = 0;
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struct resource_list *rl;
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struct resource_list_entry *rle;
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struct drvdb_ent *db;
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sc = device_get_softc(dev);
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unit = device_get_unit(dev);
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sc->ndis_dev = dev;
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db = windrv_match((matchfuncptr)ndis_devcompare, dev);
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if (db == NULL)
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return (ENXIO);
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sc->ndis_dobj = db->windrv_object;
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sc->ndis_regvals = db->windrv_regvals;
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/*
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* Map control/status registers.
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*/
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pci_enable_busmaster(dev);
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rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev);
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if (rl != NULL) {
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STAILQ_FOREACH(rle, rl, link) {
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switch (rle->type) {
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case SYS_RES_IOPORT:
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sc->ndis_io_rid = rle->rid;
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sc->ndis_res_io = bus_alloc_resource(dev,
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SYS_RES_IOPORT, &sc->ndis_io_rid,
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0, ~0, 1, RF_ACTIVE);
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if (sc->ndis_res_io == NULL) {
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device_printf(dev,
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"couldn't map iospace\n");
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error = ENXIO;
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goto fail;
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}
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pci_enable_io(dev, SYS_RES_IOPORT);
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break;
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case SYS_RES_MEMORY:
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if (sc->ndis_res_altmem != NULL &&
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sc->ndis_res_mem != NULL) {
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device_printf(dev,
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"too many memory resources\n");
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error = ENXIO;
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goto fail;
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}
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if (sc->ndis_res_mem) {
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sc->ndis_altmem_rid = rle->rid;
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sc->ndis_res_altmem =
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bus_alloc_resource(dev,
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SYS_RES_MEMORY,
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&sc->ndis_altmem_rid,
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0, ~0, 1, RF_ACTIVE);
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if (sc->ndis_res_altmem == NULL) {
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device_printf(dev,
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"couldn't map alt "
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"memory\n");
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error = ENXIO;
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goto fail;
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}
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} else {
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sc->ndis_mem_rid = rle->rid;
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sc->ndis_res_mem =
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bus_alloc_resource(dev,
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SYS_RES_MEMORY,
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&sc->ndis_mem_rid,
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0, ~0, 1, RF_ACTIVE);
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if (sc->ndis_res_mem == NULL) {
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device_printf(dev,
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"couldn't map memory\n");
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error = ENXIO;
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goto fail;
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}
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}
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pci_enable_io(dev, SYS_RES_MEMORY);
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break;
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case SYS_RES_IRQ:
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rid = rle->rid;
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sc->ndis_irq = bus_alloc_resource(dev,
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SYS_RES_IRQ, &rid, 0, ~0, 1,
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RF_SHAREABLE | RF_ACTIVE);
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if (sc->ndis_irq == NULL) {
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device_printf(dev,
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"couldn't map interrupt\n");
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error = ENXIO;
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goto fail;
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}
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break;
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default:
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break;
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}
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sc->ndis_rescnt++;
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}
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}
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/*
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* If the BIOS did not set up an interrupt for this device,
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* the resource traversal code above will fail to set up
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* an IRQ resource. This is usually a bad thing, so try to
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* force the allocation of an interrupt here. If one was
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* not assigned to us by the BIOS, bus_alloc_resource()
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* should route one for us.
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*/
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if (sc->ndis_irq == NULL) {
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rid = 0;
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sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ,
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&rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
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if (sc->ndis_irq == NULL) {
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device_printf(dev, "couldn't route interrupt\n");
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error = ENXIO;
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goto fail;
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}
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sc->ndis_rescnt++;
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}
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/*
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* Allocate the parent bus DMA tag appropriate for PCI.
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*/
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#define NDIS_NSEG_NEW 32
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error = bus_dma_tag_create(NULL, /* parent */
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1, 0, /* alignment, boundary */
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BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
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BUS_SPACE_MAXADDR, /* highaddr */
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NULL, NULL, /* filter, filterarg */
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MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */
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BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
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BUS_DMA_ALLOCNOW, /* flags */
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NULL, NULL, /* lockfunc, lockarg */
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&sc->ndis_parent_tag);
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if (error)
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goto fail;
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sc->ndis_iftype = PCIBus;
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/* Figure out exactly which device we matched. */
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t = db->windrv_devlist;
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while(t->ndis_name != NULL) {
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if ((pci_get_vendor(dev) == t->ndis_vid) &&
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(pci_get_device(dev) == t->ndis_did)) {
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if (t->ndis_subsys == 0)
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defidx = devidx;
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else {
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if (t->ndis_subsys ==
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pci_read_config(dev, PCIR_SUBVEND_0, 4))
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break;
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}
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}
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t++;
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devidx++;
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}
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if (t->ndis_name == NULL)
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sc->ndis_devidx = defidx;
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else
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sc->ndis_devidx = devidx;
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error = ndis_attach(dev);
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fail:
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return(error);
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}
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static struct resource_list *
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ndis_get_resource_list(dev, child)
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device_t dev;
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device_t child;
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{
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struct ndis_softc *sc;
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sc = device_get_softc(dev);
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return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev));
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}
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