2 * Copyright (c) 1997, 1998, 1999
3 * Bill Paul <wpaul@ctr.columbia.edu>. 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: head/sys/dev/wi/if_wi_pci.c 181209 2008-08-02 20:45:28Z imp $
36 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for FreeBSD.
38 * Written by Bill Paul <wpaul@ctr.columbia.edu>
39 * Electrical Engineering Department
40 * Columbia University, New York City
43 #include <sys/param.h>
44 #include <sys/kernel.h>
45 #include <sys/socket.h>
46 #include <sys/systm.h>
47 #include <sys/module.h>
51 #include <bus/pci/pcireg.h>
52 #include <bus/pci/pcivar.h>
55 #include <net/if_arp.h>
56 #include <net/ethernet.h>
57 #include <net/if_media.h>
58 #include <net/if_types.h>
60 #include <netproto/802_11/ieee80211_var.h>
61 #include <netproto/802_11/ieee80211_radiotap.h>
63 #include <dev/netif/wi/if_wavelan_ieee.h>
64 #include <dev/netif/wi/if_wireg.h>
65 #include <dev/netif/wi/if_wivar.h>
67 static int wi_pci_probe(device_t);
68 static int wi_pci_attach(device_t);
69 static int wi_pci_suspend(device_t);
70 static int wi_pci_resume(device_t);
72 static device_method_t wi_pci_methods[] = {
73 /* Device interface */
74 DEVMETHOD(device_probe, wi_pci_probe),
75 DEVMETHOD(device_attach, wi_pci_attach),
76 DEVMETHOD(device_detach, wi_detach),
77 DEVMETHOD(device_shutdown, wi_shutdown),
78 DEVMETHOD(device_suspend, wi_pci_suspend),
79 DEVMETHOD(device_resume, wi_pci_resume),
84 static driver_t wi_pci_driver = {
87 sizeof(struct wi_softc)
91 unsigned int vendor,device;
95 /* Sorted by description */
96 {0x10b7, 0x7770, WI_BUS_PCI_PLX, "3Com Airconnect"},
97 {0x16ab, 0x1101, WI_BUS_PCI_PLX, "GLPRISM2 WaveLAN"},
98 {0x1260, 0x3872, WI_BUS_PCI_NATIVE, "Intersil Prism3"},
99 {0x1260, 0x3873, WI_BUS_PCI_NATIVE, "Intersil Prism2.5"},
100 {0x16ab, 0x1102, WI_BUS_PCI_PLX, "Linksys WDT11"},
101 {0x1385, 0x4100, WI_BUS_PCI_PLX, "Netgear MA301"},
102 {0x1638, 0x1100, WI_BUS_PCI_PLX, "PRISM2STA WaveLAN"},
103 {0x111a, 0x1023, WI_BUS_PCI_PLX, "Siemens SpeedStream"},
104 {0x10b5, 0x9050, WI_BUS_PCI_PLX, "SMC 2602W"},
105 {0x16ec, 0x3685, WI_BUS_PCI_PLX, "US Robotics 2415"},
106 {0x4033, 0x7001, WI_BUS_PCI_PLX, "Addtron AWA-100 PCI"},
110 DRIVER_MODULE(wi, pci, wi_pci_driver, wi_devclass, NULL, NULL);
111 MODULE_DEPEND(wi, pci, 1, 1, 1);
112 MODULE_DEPEND(wi, wlan, 1, 1, 1);
115 wi_pci_probe(device_t dev)
120 wlan_serialize_enter();
121 sc = device_get_softc(dev);
122 for(i=0; pci_ids[i].vendor != 0; i++) {
123 if ((pci_get_vendor(dev) == pci_ids[i].vendor) &&
124 (pci_get_device(dev) == pci_ids[i].device)) {
125 sc->wi_bus_type = pci_ids[i].bus_type;
126 device_set_desc(dev, pci_ids[i].desc);
127 wlan_serialize_exit();
128 return (BUS_PROBE_DEFAULT);
131 wlan_serialize_exit();
136 wi_pci_attach(device_t dev)
139 u_int32_t command, wanted;
144 wlan_serialize_enter();
145 sc = device_get_softc(dev);
147 command = pci_read_config(dev, PCIR_COMMAND, 4);
148 wanted = PCIM_CMD_PORTEN|PCIM_CMD_MEMEN;
150 pci_write_config(dev, PCIR_COMMAND, command, 4);
151 command = pci_read_config(dev, PCIR_COMMAND, 4);
152 if ((command & wanted) != wanted) {
153 device_printf(dev, "wi_pci_attach() failed to enable pci!\n");
154 wlan_serialize_exit();
158 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
159 error = wi_alloc(dev, WI_PCI_IORES);
161 wlan_serialize_exit();
165 /* Make sure interrupts are disabled. */
166 CSR_WRITE_2(sc, WI_INT_EN, 0);
167 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
169 /* We have to do a magic PLX poke to enable interrupts */
170 sc->local_rid = WI_PCI_LOCALRES;
171 sc->local = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
172 &sc->local_rid, RF_ACTIVE);
173 sc->wi_localtag = rman_get_bustag(sc->local);
174 sc->wi_localhandle = rman_get_bushandle(sc->local);
175 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle,
177 command |= WI_LOCAL_INTEN;
178 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle,
179 WI_LOCAL_INTCSR, command);
180 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid,
184 sc->mem_rid = WI_PCI_MEMRES;
185 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
186 &sc->mem_rid, RF_ACTIVE);
187 if (sc->mem == NULL) {
188 device_printf(dev, "couldn't allocate memory\n");
190 wlan_serialize_exit();
193 sc->wi_bmemtag = rman_get_bustag(sc->mem);
194 sc->wi_bmemhandle = rman_get_bushandle(sc->mem);
197 * Write COR to enable PC card
198 * This is a subset of the protocol that the pccard bus code
199 * would do. In theory, we should parse the CIS to find the
200 * COR offset. In practice, the COR_OFFSET is always 0x3e0.
202 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE);
203 reg = CSM_READ_1(sc, WI_COR_OFFSET);
204 if (reg != WI_COR_VALUE) {
205 device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) "
206 "wanted %d, got %d\n", WI_COR_VALUE, reg);
208 wlan_serialize_exit();
212 error = wi_alloc(dev, WI_PCI_LMEMRES);
214 wlan_serialize_exit();
218 CSR_WRITE_2(sc, WI_PCICOR_OFF, WI_PCICOR_RESET);
221 CSR_WRITE_2(sc, WI_PCICOR_OFF, 0x0000);
225 while ((--timeout > 0) &&
226 (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY))
230 device_printf(dev, "couldn't reset prism pci core.\n");
232 wlan_serialize_exit();
237 CSR_WRITE_2(sc, WI_HFA384X_SWSUPPORT0_OFF, WI_PRISM2STA_MAGIC);
238 reg = CSR_READ_2(sc, WI_HFA384X_SWSUPPORT0_OFF);
239 if (reg != WI_PRISM2STA_MAGIC) {
241 "CSR_READ_2(WI_HFA384X_SWSUPPORT0_OFF) "
242 "wanted %d, got %d\n", WI_PRISM2STA_MAGIC, reg);
244 wlan_serialize_exit();
248 error = wi_attach(dev);
251 wlan_serialize_exit();
256 wi_pci_suspend(device_t dev)
258 struct wi_softc *sc = device_get_softc(dev);
260 wlan_serialize_enter();
262 wlan_serialize_exit();
268 wi_pci_resume(device_t dev)
270 struct wi_softc *sc = device_get_softc(dev);
271 struct ifnet *ifp = sc->sc_ifp;
273 wlan_serialize_enter();
274 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
275 wlan_serialize_exit();
279 if (ifp->if_flags & IFF_UP) {
280 ifp->if_init(ifp->if_softc);
281 if (ifp->if_flags & IFF_RUNNING)
284 wlan_serialize_exit();