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/*-
* Copyright (c) 2003
* Bill Paul <wpaul@windriver.com>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/if_ndis/if_ndis_pci.c 233024 2012-03-16 08:46:58Z scottl $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/socket.h>
#include <sys/queue.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <net80211/ieee80211_var.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <compat/ndis/pe_var.h>
#include <compat/ndis/cfg_var.h>
#include <compat/ndis/resource_var.h>
#include <compat/ndis/ntoskrnl_var.h>
#include <compat/ndis/ndis_var.h>
#include <dev/if_ndis/if_ndisvar.h>
MODULE_DEPEND(ndis, pci, 1, 1, 1);
static int ndis_probe_pci (device_t);
static int ndis_attach_pci (device_t);
static struct resource_list *ndis_get_resource_list
(device_t, device_t);
static int ndis_devcompare (interface_type,
struct ndis_pci_type *, device_t);
extern int ndisdrv_modevent (module_t, int, void *);
extern int ndis_attach (device_t);
extern int ndis_shutdown (device_t);
extern int ndis_detach (device_t);
extern int ndis_suspend (device_t);
extern int ndis_resume (device_t);
static device_method_t ndis_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ndis_probe_pci),
DEVMETHOD(device_attach, ndis_attach_pci),
DEVMETHOD(device_detach, ndis_detach),
DEVMETHOD(device_shutdown, ndis_shutdown),
DEVMETHOD(device_suspend, ndis_suspend),
DEVMETHOD(device_resume, ndis_resume),
/* Bus interface */
DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
{ 0, 0 }
};
static driver_t ndis_driver = {
"ndis",
ndis_methods,
sizeof(struct ndis_softc)
};
static devclass_t ndis_devclass;
DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
static int
ndis_devcompare(bustype, t, dev)
interface_type bustype;
struct ndis_pci_type *t;
device_t dev;
{
uint16_t vid, did;
uint32_t subsys;
if (bustype != PCIBus)
return(FALSE);
vid = pci_get_vendor(dev);
did = pci_get_device(dev);
subsys = pci_get_subdevice(dev);
subsys = (subsys << 16) | pci_get_subvendor(dev);
while(t->ndis_name != NULL) {
if ((t->ndis_vid == vid) && (t->ndis_did == did) &&
(t->ndis_subsys == subsys || t->ndis_subsys == 0)) {
device_set_desc(dev, t->ndis_name);
return(TRUE);
}
t++;
}
return(FALSE);
}
/*
* Probe for an NDIS device. Check the PCI vendor and device
* IDs against our list and return a device name if we find a match.
*/
static int
ndis_probe_pci(dev)
device_t dev;
{
driver_object *drv;
struct drvdb_ent *db;
drv = windrv_lookup(0, "PCI Bus");
if (drv == NULL)
return(ENXIO);
db = windrv_match((matchfuncptr)ndis_devcompare, dev);
if (db != NULL) {
/* Create PDO for this device instance */
windrv_create_pdo(drv, dev);
return(0);
}
return(ENXIO);
}
/*
* Attach the interface. Allocate softc structures, do ifmedia
* setup and ethernet/BPF attach.
*/
static int
ndis_attach_pci(dev)
device_t dev;
{
struct ndis_softc *sc;
int unit, error = 0, rid;
struct ndis_pci_type *t;
int devidx = 0, defidx = 0;
struct resource_list *rl;
struct resource_list_entry *rle;
struct drvdb_ent *db;
uint16_t vid, did;
uint32_t subsys;
sc = device_get_softc(dev);
unit = device_get_unit(dev);
sc->ndis_dev = dev;
db = windrv_match((matchfuncptr)ndis_devcompare, dev);
if (db == NULL)
return (ENXIO);
sc->ndis_dobj = db->windrv_object;
sc->ndis_regvals = db->windrv_regvals;
/*
* Map control/status registers.
*/
pci_enable_busmaster(dev);
rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev);
if (rl != NULL) {
STAILQ_FOREACH(rle, rl, link) {
switch (rle->type) {
case SYS_RES_IOPORT:
sc->ndis_io_rid = rle->rid;
sc->ndis_res_io = bus_alloc_resource_any(dev,
SYS_RES_IOPORT, &sc->ndis_io_rid,
RF_ACTIVE);
if (sc->ndis_res_io == NULL) {
device_printf(dev,
"couldn't map iospace\n");
error = ENXIO;
goto fail;
}
break;
case SYS_RES_MEMORY:
if (sc->ndis_res_altmem != NULL &&
sc->ndis_res_mem != NULL) {
device_printf(dev,
"too many memory resources\n");
error = ENXIO;
goto fail;
}
if (sc->ndis_res_mem) {
sc->ndis_altmem_rid = rle->rid;
sc->ndis_res_altmem =
bus_alloc_resource_any(dev,
SYS_RES_MEMORY,
&sc->ndis_altmem_rid,
RF_ACTIVE);
if (sc->ndis_res_altmem == NULL) {
device_printf(dev,
"couldn't map alt "
"memory\n");
error = ENXIO;
goto fail;
}
} else {
sc->ndis_mem_rid = rle->rid;
sc->ndis_res_mem =
bus_alloc_resource_any(dev,
SYS_RES_MEMORY,
&sc->ndis_mem_rid,
RF_ACTIVE);
if (sc->ndis_res_mem == NULL) {
device_printf(dev,
"couldn't map memory\n");
error = ENXIO;
goto fail;
}
}
break;
case SYS_RES_IRQ:
rid = rle->rid;
sc->ndis_irq = bus_alloc_resource_any(dev,
SYS_RES_IRQ, &rid,
RF_SHAREABLE | RF_ACTIVE);
if (sc->ndis_irq == NULL) {
device_printf(dev,
"couldn't map interrupt\n");
error = ENXIO;
goto fail;
}
break;
default:
break;
}
sc->ndis_rescnt++;
}
}
/*
* If the BIOS did not set up an interrupt for this device,
* the resource traversal code above will fail to set up
* an IRQ resource. This is usually a bad thing, so try to
* force the allocation of an interrupt here. If one was
* not assigned to us by the BIOS, bus_alloc_resource()
* should route one for us.
*/
if (sc->ndis_irq == NULL) {
rid = 0;
sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&rid, RF_SHAREABLE | RF_ACTIVE);
if (sc->ndis_irq == NULL) {
device_printf(dev, "couldn't route interrupt\n");
error = ENXIO;
goto fail;
}
sc->ndis_rescnt++;
}
/*
* Allocate the parent bus DMA tag appropriate for PCI.
*/
#define NDIS_NSEG_NEW 32
error = bus_dma_tag_create(bus_get_dma_tag(dev),/* PCI parent */
1, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */
BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
BUS_DMA_ALLOCNOW, /* flags */
NULL, NULL, /* lockfunc, lockarg */
&sc->ndis_parent_tag);
if (error)
goto fail;
sc->ndis_iftype = PCIBus;
/* Figure out exactly which device we matched. */
vid = pci_get_vendor(dev);
did = pci_get_device(dev);
subsys = pci_get_subdevice(dev);
subsys = (subsys << 16) | pci_get_subvendor(dev);
t = db->windrv_devlist;
while(t->ndis_name != NULL) {
if (t->ndis_vid == vid && t->ndis_did == did) {
if (t->ndis_subsys == 0)
defidx = devidx;
else if (t->ndis_subsys == subsys)
break;
}
t++;
devidx++;
}
if (t->ndis_name == NULL)
sc->ndis_devidx = defidx;
else
sc->ndis_devidx = devidx;
error = ndis_attach(dev);
fail:
return(error);
}
static struct resource_list *
ndis_get_resource_list(dev, child)
device_t dev;
device_t child;
{
struct ndis_softc *sc;
sc = device_get_softc(dev);
return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev));
}