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.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/module.h>
40 #include <sys/socket.h>
41 #include <sys/queue.h>
42 #include <sys/sysctl.h>
45 #include <net/if_arp.h>
46 #include <net/if_media.h>
48 #include <machine/bus.h>
49 #include <machine/resource.h>
53 #include <net80211/ieee80211_var.h>
55 #include <dev/pci/pcireg.h>
56 #include <dev/pci/pcivar.h>
58 #include <compat/ndis/pe_var.h>
59 #include <compat/ndis/cfg_var.h>
60 #include <compat/ndis/resource_var.h>
61 #include <compat/ndis/ntoskrnl_var.h>
62 #include <compat/ndis/ndis_var.h>
63 #include <dev/if_ndis/if_ndisvar.h>
65 MODULE_DEPEND(ndis, pci, 1, 1, 1);
67 static int ndis_probe_pci (device_t);
68 static int ndis_attach_pci (device_t);
69 static struct resource_list *ndis_get_resource_list
71 static int ndis_devcompare (interface_type,
72 struct ndis_pci_type *, device_t);
73 extern int ndisdrv_modevent (module_t, int, void *);
74 extern int ndis_attach (device_t);
75 extern int ndis_shutdown (device_t);
76 extern int ndis_detach (device_t);
77 extern int ndis_suspend (device_t);
78 extern int ndis_resume (device_t);
80 static device_method_t ndis_methods[] = {
81 /* Device interface */
82 DEVMETHOD(device_probe, ndis_probe_pci),
83 DEVMETHOD(device_attach, ndis_attach_pci),
84 DEVMETHOD(device_detach, ndis_detach),
85 DEVMETHOD(device_shutdown, ndis_shutdown),
86 DEVMETHOD(device_suspend, ndis_suspend),
87 DEVMETHOD(device_resume, ndis_resume),
90 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
95 static driver_t ndis_driver = {
98 sizeof(struct ndis_softc)
101 static devclass_t ndis_devclass;
103 DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
104 DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
107 ndis_devcompare(bustype, t, dev)
108 interface_type bustype;
109 struct ndis_pci_type *t;
112 if (bustype != PCIBus)
115 while(t->ndis_name != NULL) {
116 if ((pci_get_vendor(dev) == t->ndis_vid) &&
117 (pci_get_device(dev) == t->ndis_did) &&
118 ((pci_read_config(dev, PCIR_SUBVEND_0, 4) ==
119 t->ndis_subsys) || t->ndis_subsys == 0)) {
120 device_set_desc(dev, t->ndis_name);
130 * Probe for an NDIS device. Check the PCI vendor and device
131 * IDs against our list and return a device name if we find a match.
138 struct drvdb_ent *db;
140 drv = windrv_lookup(0, "PCI Bus");
145 db = windrv_match((matchfuncptr)ndis_devcompare, dev);
148 /* Create PDO for this device instance */
149 windrv_create_pdo(drv, dev);
157 * Attach the interface. Allocate softc structures, do ifmedia
158 * setup and ethernet/BPF attach.
164 struct ndis_softc *sc;
165 int unit, error = 0, rid;
166 struct ndis_pci_type *t;
167 int devidx = 0, defidx = 0;
168 struct resource_list *rl;
169 struct resource_list_entry *rle;
170 struct drvdb_ent *db;
172 sc = device_get_softc(dev);
173 unit = device_get_unit(dev);
176 db = windrv_match((matchfuncptr)ndis_devcompare, dev);
179 sc->ndis_dobj = db->windrv_object;
180 sc->ndis_regvals = db->windrv_regvals;
183 * Map control/status registers.
186 pci_enable_busmaster(dev);
188 rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev);
190 STAILQ_FOREACH(rle, rl, link) {
193 sc->ndis_io_rid = rle->rid;
194 sc->ndis_res_io = bus_alloc_resource(dev,
195 SYS_RES_IOPORT, &sc->ndis_io_rid,
196 0, ~0, 1, RF_ACTIVE);
197 if (sc->ndis_res_io == NULL) {
199 "couldn't map iospace\n");
203 pci_enable_io(dev, SYS_RES_IOPORT);
206 if (sc->ndis_res_altmem != NULL &&
207 sc->ndis_res_mem != NULL) {
209 "too many memory resources\n");
213 if (sc->ndis_res_mem) {
214 sc->ndis_altmem_rid = rle->rid;
215 sc->ndis_res_altmem =
216 bus_alloc_resource(dev,
218 &sc->ndis_altmem_rid,
219 0, ~0, 1, RF_ACTIVE);
220 if (sc->ndis_res_altmem == NULL) {
228 sc->ndis_mem_rid = rle->rid;
230 bus_alloc_resource(dev,
233 0, ~0, 1, RF_ACTIVE);
234 if (sc->ndis_res_mem == NULL) {
236 "couldn't map memory\n");
241 pci_enable_io(dev, SYS_RES_MEMORY);
245 sc->ndis_irq = bus_alloc_resource(dev,
246 SYS_RES_IRQ, &rid, 0, ~0, 1,
247 RF_SHAREABLE | RF_ACTIVE);
248 if (sc->ndis_irq == NULL) {
250 "couldn't map interrupt\n");
263 * If the BIOS did not set up an interrupt for this device,
264 * the resource traversal code above will fail to set up
265 * an IRQ resource. This is usually a bad thing, so try to
266 * force the allocation of an interrupt here. If one was
267 * not assigned to us by the BIOS, bus_alloc_resource()
268 * should route one for us.
270 if (sc->ndis_irq == NULL) {
272 sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ,
273 &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
274 if (sc->ndis_irq == NULL) {
275 device_printf(dev, "couldn't route interrupt\n");
283 * Allocate the parent bus DMA tag appropriate for PCI.
285 #define NDIS_NSEG_NEW 32
286 error = bus_dma_tag_create(NULL, /* parent */
287 1, 0, /* alignment, boundary */
288 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
289 BUS_SPACE_MAXADDR, /* highaddr */
290 NULL, NULL, /* filter, filterarg */
291 MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */
292 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
293 BUS_DMA_ALLOCNOW, /* flags */
294 NULL, NULL, /* lockfunc, lockarg */
295 &sc->ndis_parent_tag);
300 sc->ndis_iftype = PCIBus;
302 /* Figure out exactly which device we matched. */
304 t = db->windrv_devlist;
306 while(t->ndis_name != NULL) {
307 if ((pci_get_vendor(dev) == t->ndis_vid) &&
308 (pci_get_device(dev) == t->ndis_did)) {
309 if (t->ndis_subsys == 0)
312 if (t->ndis_subsys ==
313 pci_read_config(dev, PCIR_SUBVEND_0, 4))
321 if (t->ndis_name == NULL)
322 sc->ndis_devidx = defidx;
324 sc->ndis_devidx = devidx;
326 error = ndis_attach(dev);
332 static struct resource_list *
333 ndis_get_resource_list(dev, child)
337 struct ndis_softc *sc;
339 sc = device_get_softc(dev);
340 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev));