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 1.5 2006/10/25 20:55:58 dillon 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>
48 #include <net/if_arp.h>
49 #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>
56 #include <emulation/ndis/regcall.h>
57 #include <emulation/ndis/pe_var.h>
58 #include <emulation/ndis/resource_var.h>
59 #include <emulation/ndis/ntoskrnl_var.h>
60 #include <emulation/ndis/ndis_var.h>
61 #include <emulation/ndis/cfg_var.h>
62 #include "if_ndisvar.h"
64 #include "ndis_driver_data.h"
66 #ifdef NDIS_PCI_DEV_TABLE
68 MODULE_DEPEND(ndis, pci, 1, 1, 1);
69 MODULE_DEPEND(ndis, wlan, 1, 1, 1);
70 MODULE_DEPEND(ndis, ndisapi, 1, 1, 1);
73 * Various supported device vendors/types and their names.
74 * These are defined in the ndis_driver_data.h file.
76 static struct ndis_pci_type ndis_devs[] = {
77 #ifdef NDIS_PCI_DEV_TABLE
83 static int ndis_probe_pci (device_t);
84 static int ndis_attach_pci (device_t);
85 static struct resource_list *ndis_get_resource_list
87 extern int ndis_attach (device_t);
88 extern int ndis_shutdown (device_t);
89 extern int ndis_detach (device_t);
90 extern int ndis_suspend (device_t);
91 extern int ndis_resume (device_t);
93 static device_method_t ndis_methods[] = {
94 /* Device interface */
95 DEVMETHOD(device_probe, ndis_probe_pci),
96 DEVMETHOD(device_attach, ndis_attach_pci),
97 DEVMETHOD(device_detach, ndis_detach),
98 DEVMETHOD(device_shutdown, ndis_shutdown),
99 DEVMETHOD(device_suspend, ndis_suspend),
100 DEVMETHOD(device_resume, ndis_resume),
103 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
108 static driver_t ndis_driver = {
115 sizeof(struct ndis_softc)
118 static devclass_t ndis_devclass;
121 #define NDIS_MODNAME_OVERRIDE_PCI(x) \
122 DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, 0, 0)
123 #define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \
124 DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, 0, 0)
125 NDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME);
126 NDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME);
128 DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0);
129 DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, 0, 0);
133 * Probe for an NDIS device. Check the PCI vendor and device
134 * IDs against our list and return a device name if we find a match.
137 ndis_probe_pci(device_t dev)
139 struct ndis_pci_type *t;
143 while(t->ndis_name != NULL) {
144 if ((pci_get_vendor(dev) == t->ndis_vid) &&
145 (pci_get_device(dev) == t->ndis_did) &&
146 ((pci_read_config(dev, PCIR_SUBVEND_0, 4) ==
147 t->ndis_subsys) || t->ndis_subsys == 0)) {
148 device_set_desc(dev, t->ndis_name);
158 * Attach the interface. Allocate softc structures, do ifmedia
159 * setup and ethernet/BPF attach.
162 ndis_attach_pci(device_t dev)
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;
171 sc = device_get_softc(dev);
172 unit = device_get_unit(dev);
176 * Map control/status registers.
179 pci_enable_busmaster(dev);
181 rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev);
183 SLIST_FOREACH(rle, rl, link) {
186 sc->ndis_io_rid = rle->rid;
187 sc->ndis_res_io = bus_alloc_resource_any(dev,
188 SYS_RES_IOPORT, &sc->ndis_io_rid,
190 if (sc->ndis_res_io == NULL) {
192 "couldn't map iospace\n");
198 if (sc->ndis_res_altmem != NULL &&
199 sc->ndis_res_mem != NULL) {
201 "too many memory resources\n");
205 if (rle->rid == PCIR_BAR(2)) {
206 sc->ndis_altmem_rid = rle->rid;
207 sc->ndis_res_altmem =
208 bus_alloc_resource_any(dev,
210 &sc->ndis_altmem_rid,
212 if (sc->ndis_res_altmem == NULL) {
220 sc->ndis_mem_rid = rle->rid;
222 bus_alloc_resource_any(dev,
226 if (sc->ndis_res_mem == NULL) {
228 "couldn't map memory\n");
236 sc->ndis_irq = bus_alloc_resource_any(dev,
238 RF_SHAREABLE | RF_ACTIVE);
239 if (sc->ndis_irq == NULL) {
241 "couldn't map interrupt\n");
254 * If the BIOS did not set up an interrupt for this device,
255 * the resource traversal code above will fail to set up
256 * an IRQ resource. This is usually a bad thing, so try to
257 * force the allocation of an interrupt here. If one was
258 * not assigned to us by the BIOS, bus_alloc_resource()
259 * should route one for us.
261 if (sc->ndis_irq == NULL) {
263 sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
264 &rid, RF_SHAREABLE | RF_ACTIVE);
265 if (sc->ndis_irq == NULL) {
266 device_printf(dev, "couldn't route interrupt\n");
274 * Allocate the parent bus DMA tag appropriate for PCI.
276 #define NDIS_NSEG_NEW 32
277 error = bus_dma_tag_create(NULL, /* parent */
278 1, 0, /* alignment, boundary */
279 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
280 BUS_SPACE_MAXADDR, /* highaddr */
281 NULL, NULL, /* filter, filterarg */
282 MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */
283 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
284 BUS_DMA_ALLOCNOW, /* flags */
285 &sc->ndis_parent_tag);
290 sc->ndis_iftype = PCIBus;
292 /* Figure out exactly which device we matched. */
296 while(t->ndis_name != NULL) {
297 if ((pci_get_vendor(dev) == t->ndis_vid) &&
298 (pci_get_device(dev) == t->ndis_did)) {
299 if (t->ndis_subsys == 0)
302 if (t->ndis_subsys ==
303 pci_read_config(dev, PCIR_SUBVEND_0, 4))
311 if (ndis_devs[devidx].ndis_name == NULL)
312 sc->ndis_devidx = defidx;
314 sc->ndis_devidx = devidx;
316 error = ndis_attach(dev);
322 static struct resource_list *
323 ndis_get_resource_list(device_t dev, device_t child)
325 struct ndis_softc *sc;
327 sc = device_get_softc(dev);
328 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev));
331 #endif /* NDIS_PCI_DEV_TABLE */