3 * Bill Paul <wpaul@windriver.com>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
32 * $FreeBSD: src/sys/dev/if_ndis/if_ndis_pci.c,v 1.26 2010/12/19 11:14:34 tijl Exp $
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/module.h>
39 #include <sys/socket.h>
40 #include <sys/queue.h>
41 #include <sys/sysctl.h>
45 #include <net/if_arp.h>
46 #include <net/if_media.h>
51 #include <netproto/802_11/ieee80211_var.h>
53 #include <bus/pci/pcireg.h>
54 #include <bus/pci/pcivar.h>
55 #include <bus/usb/usb.h>
56 #include <bus/usb/usbdi.h>
58 #include <emulation/ndis/pe_var.h>
59 #include <emulation/ndis/cfg_var.h>
60 #include <emulation/ndis/resource_var.h>
61 #include <emulation/ndis/ntoskrnl_var.h>
62 #include <emulation/ndis/ndis_var.h>
63 #include <dev/netif/ndis/if_ndisvar.h>
65 MODULE_DEPEND(if_ndis, pci, 1, 1, 1);
67 static int ndis_probe_pci (device_t);
68 static int ndis_attach_pci (device_t);
69 static int ndis_detach_pci (device_t);
70 static struct resource_list *ndis_get_resource_list
72 static int ndis_devcompare (interface_type,
73 struct ndis_pci_type *, device_t);
74 extern int ndisdrv_modevent (module_t, int, void *);
75 extern int ndis_attach (device_t);
76 extern int ndis_shutdown (device_t);
77 extern int ndis_detach (device_t);
78 extern int ndis_suspend (device_t);
79 extern int ndis_resume (device_t);
81 static device_method_t ndis_methods[] = {
82 /* Device interface */
83 DEVMETHOD(device_probe, ndis_probe_pci),
84 DEVMETHOD(device_attach, ndis_attach_pci),
85 DEVMETHOD(device_detach, ndis_detach_pci),
86 DEVMETHOD(device_shutdown, ndis_shutdown),
87 DEVMETHOD(device_suspend, ndis_suspend),
88 DEVMETHOD(device_resume, ndis_resume),
91 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
96 static driver_t ndis_driver = {
99 sizeof(struct ndis_softc)
102 static devclass_t ndis_devclass;
104 DRIVER_MODULE(if_ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, NULL);
105 DRIVER_MODULE(if_ndis, cardbus, ndis_driver, ndis_devclass, ndisdrv_modevent, NULL);
108 ndis_devcompare(interface_type bustype, struct ndis_pci_type *t, device_t dev)
113 if (bustype != PCIBus)
116 vid = pci_get_vendor(dev);
117 did = pci_get_device(dev);
118 subsys = pci_get_subdevice(dev);
119 subsys = (subsys << 16) | pci_get_subvendor(dev);
121 while(t->ndis_name != NULL) {
122 if ((t->ndis_vid == vid) && (t->ndis_did == did) &&
123 (t->ndis_subsys == subsys || t->ndis_subsys == 0)) {
124 device_set_desc(dev, t->ndis_name);
134 * Probe for an NDIS device. Check the PCI vendor and device
135 * IDs against our list and return a device name if we find a match.
138 ndis_probe_pci(device_t dev)
141 struct drvdb_ent *db;
143 drv = windrv_lookup(0, "PCI Bus");
148 db = windrv_match((matchfuncptr)ndis_devcompare, dev);
151 /* Create PDO for this device instance */
152 windrv_create_pdo(drv, dev);
160 * Attach the interface. Allocate softc structures, do ifmedia
161 * setup and ethernet/BPF attach.
164 ndis_attach_pci(device_t dev)
166 struct ndis_softc *sc;
167 int unit, error = 0, rid;
168 struct ndis_pci_type *t;
169 int devidx = 0, defidx = 0;
170 struct resource_list *rl;
171 struct resource_list_entry *rle;
172 struct drvdb_ent *db;
176 wlan_serialize_enter();
178 sc = device_get_softc(dev);
179 unit = device_get_unit(dev);
182 db = windrv_match((matchfuncptr)ndis_devcompare, dev);
184 wlan_serialize_exit();
187 sc->ndis_dobj = db->windrv_object;
188 sc->ndis_regvals = db->windrv_regvals;
191 * Map control/status registers.
194 pci_enable_busmaster(dev);
196 rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev);
198 SLIST_FOREACH(rle, rl, link) {
201 sc->ndis_io_rid = rle->rid;
202 sc->ndis_res_io = bus_alloc_resource_any(dev,
203 SYS_RES_IOPORT, &sc->ndis_io_rid,
205 if (sc->ndis_res_io == NULL) {
207 "couldn't map iospace\n");
213 if (sc->ndis_res_altmem != NULL &&
214 sc->ndis_res_mem != NULL) {
216 "too many memory resources\n");
220 if (sc->ndis_res_mem) {
221 sc->ndis_altmem_rid = rle->rid;
222 sc->ndis_res_altmem =
223 bus_alloc_resource_any(dev,
225 &sc->ndis_altmem_rid,
227 if (sc->ndis_res_altmem == NULL) {
235 sc->ndis_mem_rid = rle->rid;
237 bus_alloc_resource_any(dev,
241 if (sc->ndis_res_mem == NULL) {
243 "couldn't map memory\n");
251 sc->ndis_irq = bus_alloc_resource_any(dev,
253 RF_SHAREABLE | RF_ACTIVE);
254 if (sc->ndis_irq == NULL) {
256 "couldn't map interrupt\n");
269 * If the BIOS did not set up an interrupt for this device,
270 * the resource traversal code above will fail to set up
271 * an IRQ resource. This is usually a bad thing, so try to
272 * force the allocation of an interrupt here. If one was
273 * not assigned to us by the BIOS, bus_alloc_resource()
274 * should route one for us.
276 if (sc->ndis_irq == NULL) {
278 sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
279 &rid, RF_SHAREABLE | RF_ACTIVE);
280 if (sc->ndis_irq == NULL) {
281 device_printf(dev, "couldn't route interrupt\n");
289 * Allocate the parent bus DMA tag appropriate for PCI.
291 #define NDIS_NSEG_NEW 32
292 error = bus_dma_tag_create(NULL, /* parent */
293 1, 0, /* alignment, boundary */
294 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
295 BUS_SPACE_MAXADDR, /* highaddr */
296 NULL, NULL, /* filter, filterarg */
297 MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */
298 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
299 BUS_DMA_ALLOCNOW, /* flags */
300 &sc->ndis_parent_tag);
305 sc->ndis_iftype = PCIBus;
307 /* Figure out exactly which device we matched. */
309 vid = pci_get_vendor(dev);
310 did = pci_get_device(dev);
311 subsys = pci_get_subdevice(dev);
312 subsys = (subsys << 16) | pci_get_subvendor(dev);
314 t = db->windrv_devlist;
316 while(t->ndis_name != NULL) {
317 if (t->ndis_vid == vid && t->ndis_did == did) {
318 if (t->ndis_subsys == 0)
320 else if (t->ndis_subsys == subsys)
327 if (t->ndis_name == NULL)
328 sc->ndis_devidx = defidx;
330 sc->ndis_devidx = devidx;
332 error = ndis_attach(dev);
335 wlan_serialize_exit();
340 ndis_detach_pci(device_t dev)
344 wlan_serialize_enter();
345 error = ndis_detach(dev);
346 wlan_serialize_exit();
350 static struct resource_list *
351 ndis_get_resource_list(device_t dev, device_t child)
353 struct ndis_softc *sc;
355 sc = device_get_softc(dev);
356 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev));