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 1.7 2004/07/11 00:19:30 wpaul Exp $
33 * $DragonFly: src/sys/dev/netif/ndis/if_ndis_pci.c,v 1.3 2005/05/24 09:52:13 joerg Exp $
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
40 #include <sys/module.h>
41 #include <sys/socket.h>
42 #include <sys/queue.h>
43 #include <sys/sysctl.h>
46 #include <net/if_arp.h>
47 #include <net/if_media.h>
49 #include <machine/bus.h>
50 #include <machine/resource.h>
54 #include <netproto/802_11/ieee80211_var.h>
56 #include <bus/pci/pcireg.h>
57 #include <bus/pci/pcivar.h>
59 #include <emulation/ndis/regcall.h>
60 #include <emulation/ndis/pe_var.h>
61 #include <emulation/ndis/resource_var.h>
62 #include <emulation/ndis/ntoskrnl_var.h>
63 #include <emulation/ndis/ndis_var.h>
64 #include <emulation/ndis/cfg_var.h>
65 #include "if_ndisvar.h"
67 #include "ndis_driver_data.h"
69 #ifdef NDIS_PCI_DEV_TABLE
71 MODULE_DEPEND(ndis, pci, 1, 1, 1);
72 MODULE_DEPEND(ndis, wlan, 1, 1, 1);
73 MODULE_DEPEND(ndis, ndisapi, 1, 1, 1);
76 * Various supported device vendors/types and their names.
77 * These are defined in the ndis_driver_data.h file.
79 static struct ndis_pci_type ndis_devs[] = {
80 #ifdef NDIS_PCI_DEV_TABLE
86 static int ndis_probe_pci (device_t);
87 static int ndis_attach_pci (device_t);
88 static struct resource_list *ndis_get_resource_list
90 extern int ndis_attach (device_t);
91 extern int ndis_shutdown (device_t);
92 extern int ndis_detach (device_t);
93 extern int ndis_suspend (device_t);
94 extern int ndis_resume (device_t);
96 static device_method_t ndis_methods[] = {
97 /* Device interface */
98 DEVMETHOD(device_probe, ndis_probe_pci),
99 DEVMETHOD(device_attach, ndis_attach_pci),
100 DEVMETHOD(device_detach, ndis_detach),
101 DEVMETHOD(device_shutdown, ndis_shutdown),
102 DEVMETHOD(device_suspend, ndis_suspend),
103 DEVMETHOD(device_resume, ndis_resume),
106 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
111 static driver_t ndis_driver = {
118 sizeof(struct ndis_softc)
121 static devclass_t ndis_devclass;
124 #define NDIS_MODNAME_OVERRIDE_PCI(x) \
125 DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, 0, 0)
126 #define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \
127 DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, 0, 0)
128 NDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME);
129 NDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME);
131 DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0);
132 DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, 0, 0);
136 * Probe for an NDIS device. Check the PCI vendor and device
137 * IDs against our list and return a device name if we find a match.
143 struct ndis_pci_type *t;
147 while(t->ndis_name != NULL) {
148 if ((pci_get_vendor(dev) == t->ndis_vid) &&
149 (pci_get_device(dev) == t->ndis_did) &&
150 ((pci_read_config(dev, PCIR_SUBVEND_0, 4) ==
151 t->ndis_subsys) || t->ndis_subsys == 0)) {
152 device_set_desc(dev, t->ndis_name);
162 * Attach the interface. Allocate softc structures, do ifmedia
163 * setup and ethernet/BPF attach.
169 struct ndis_softc *sc;
170 int unit, error = 0, rid;
171 struct ndis_pci_type *t;
172 int devidx = 0, defidx = 0;
173 struct resource_list *rl;
174 struct resource_list_entry *rle;
176 sc = device_get_softc(dev);
177 unit = device_get_unit(dev);
181 * Map control/status registers.
184 pci_enable_busmaster(dev);
186 rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev);
188 SLIST_FOREACH(rle, rl, link) {
191 sc->ndis_io_rid = rle->rid;
192 sc->ndis_res_io = bus_alloc_resource_any(dev,
193 SYS_RES_IOPORT, &sc->ndis_io_rid,
195 if (sc->ndis_res_io == NULL) {
197 "couldn't map iospace\n");
203 if (sc->ndis_res_altmem != NULL &&
204 sc->ndis_res_mem != NULL) {
206 "too many memory resources\n");
210 if (rle->rid == PCIR_BAR(2)) {
211 sc->ndis_altmem_rid = rle->rid;
212 sc->ndis_res_altmem =
213 bus_alloc_resource_any(dev,
215 &sc->ndis_altmem_rid,
217 if (sc->ndis_res_altmem == NULL) {
225 sc->ndis_mem_rid = rle->rid;
227 bus_alloc_resource_any(dev,
231 if (sc->ndis_res_mem == NULL) {
233 "couldn't map memory\n");
241 sc->ndis_irq = bus_alloc_resource_any(dev,
243 RF_SHAREABLE | RF_ACTIVE);
244 if (sc->ndis_irq == NULL) {
246 "couldn't map interrupt\n");
259 * If the BIOS did not set up an interrupt for this device,
260 * the resource traversal code above will fail to set up
261 * an IRQ resource. This is usually a bad thing, so try to
262 * force the allocation of an interrupt here. If one was
263 * not assigned to us by the BIOS, bus_alloc_resource()
264 * should route one for us.
266 if (sc->ndis_irq == NULL) {
268 sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
269 &rid, RF_SHAREABLE | RF_ACTIVE);
270 if (sc->ndis_irq == NULL) {
271 device_printf(dev, "couldn't route interrupt\n");
279 * Allocate the parent bus DMA tag appropriate for PCI.
281 #define NDIS_NSEG_NEW 32
282 error = bus_dma_tag_create(NULL, /* parent */
283 1, 0, /* alignment, boundary */
284 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
285 BUS_SPACE_MAXADDR, /* highaddr */
286 NULL, NULL, /* filter, filterarg */
287 MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */
288 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
289 BUS_DMA_ALLOCNOW, /* flags */
290 &sc->ndis_parent_tag);
295 sc->ndis_iftype = PCIBus;
297 /* Figure out exactly which device we matched. */
301 while(t->ndis_name != NULL) {
302 if ((pci_get_vendor(dev) == t->ndis_vid) &&
303 (pci_get_device(dev) == t->ndis_did)) {
304 if (t->ndis_subsys == 0)
307 if (t->ndis_subsys ==
308 pci_read_config(dev, PCIR_SUBVEND_0, 4))
316 if (ndis_devs[devidx].ndis_name == NULL)
317 sc->ndis_devidx = defidx;
319 sc->ndis_devidx = devidx;
321 error = ndis_attach(dev);
327 static struct resource_list *
328 ndis_get_resource_list(dev, child)
332 struct ndis_softc *sc;
334 sc = device_get_softc(dev);
335 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev));
338 #endif /* NDIS_PCI_DEV_TABLE */