Initial import of binutils 2.22 on the new vendor branch
[dragonfly.git] / sys / dev / netif / wi / if_wi_pci.c
1 /*-
2  * Copyright (c) 1997, 1998, 1999
3  *      Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
19  *
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.
31  *
32  * $FreeBSD: head/sys/dev/wi/if_wi_pci.c 181209 2008-08-02 20:45:28Z imp $
33  * $DragonFly$
34  */
35
36 /*
37  * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for FreeBSD.
38  *
39  * Written by Bill Paul <wpaul@ctr.columbia.edu>
40  * Electrical Engineering Department
41  * Columbia University, New York City
42  */
43
44 #include <sys/param.h>
45 #include <sys/kernel.h>
46 #include <sys/socket.h>
47 #include <sys/systm.h>
48 #include <sys/module.h>
49 #include <sys/bus.h>
50 #include <sys/rman.h>
51
52 #include <bus/pci/pcireg.h>
53 #include <bus/pci/pcivar.h>
54
55 #include <net/if.h>
56 #include <net/if_arp.h>
57 #include <net/ethernet.h>
58 #include <net/if_media.h>
59 #include <net/if_types.h>
60
61 #include <netproto/802_11/ieee80211_var.h>
62 #include <netproto/802_11/ieee80211_radiotap.h>
63
64 #include <dev/netif/wi/if_wavelan_ieee.h>
65 #include <dev/netif/wi/if_wireg.h>
66 #include <dev/netif/wi/if_wivar.h>
67
68 static int wi_pci_probe(device_t);
69 static int wi_pci_attach(device_t);
70 static int wi_pci_suspend(device_t);
71 static int wi_pci_resume(device_t);
72
73 static device_method_t wi_pci_methods[] = {
74         /* Device interface */
75         DEVMETHOD(device_probe,         wi_pci_probe),
76         DEVMETHOD(device_attach,        wi_pci_attach),
77         DEVMETHOD(device_detach,        wi_detach),
78         DEVMETHOD(device_shutdown,      wi_shutdown),
79         DEVMETHOD(device_suspend,       wi_pci_suspend),
80         DEVMETHOD(device_resume,        wi_pci_resume),
81
82         { 0, 0 }
83 };
84
85 static driver_t wi_pci_driver = {
86         "wi",
87         wi_pci_methods,
88         sizeof(struct wi_softc)
89 };
90
91 static struct {
92         unsigned int vendor,device;
93         int bus_type;
94         char *desc;
95 } pci_ids[] = {
96         /* Sorted by description */
97         {0x10b7, 0x7770, WI_BUS_PCI_PLX, "3Com Airconnect"},
98         {0x16ab, 0x1101, WI_BUS_PCI_PLX, "GLPRISM2 WaveLAN"},
99         {0x1260, 0x3872, WI_BUS_PCI_NATIVE, "Intersil Prism3"},
100         {0x1260, 0x3873, WI_BUS_PCI_NATIVE, "Intersil Prism2.5"},
101         {0x16ab, 0x1102, WI_BUS_PCI_PLX, "Linksys WDT11"},
102         {0x1385, 0x4100, WI_BUS_PCI_PLX, "Netgear MA301"},
103         {0x1638, 0x1100, WI_BUS_PCI_PLX, "PRISM2STA WaveLAN"},
104         {0x111a, 0x1023, WI_BUS_PCI_PLX, "Siemens SpeedStream"},
105         {0x10b5, 0x9050, WI_BUS_PCI_PLX, "SMC 2602W"},
106         {0x16ec, 0x3685, WI_BUS_PCI_PLX, "US Robotics 2415"},
107         {0x4033, 0x7001, WI_BUS_PCI_PLX, "Addtron AWA-100 PCI"},
108         {0, 0, 0, NULL}
109 };
110
111 DRIVER_MODULE(wi, pci, wi_pci_driver, wi_devclass, NULL, NULL);
112 MODULE_DEPEND(wi, pci, 1, 1, 1);
113 MODULE_DEPEND(wi, wlan, 1, 1, 1);
114
115 static int
116 wi_pci_probe(device_t dev)
117 {
118         struct wi_softc         *sc;
119         int i;
120
121         wlan_serialize_enter();
122         sc = device_get_softc(dev);
123         for(i=0; pci_ids[i].vendor != 0; i++) {
124                 if ((pci_get_vendor(dev) == pci_ids[i].vendor) &&
125                         (pci_get_device(dev) == pci_ids[i].device)) {
126                         sc->wi_bus_type = pci_ids[i].bus_type;
127                         device_set_desc(dev, pci_ids[i].desc);
128                         wlan_serialize_exit();
129                         return (BUS_PROBE_DEFAULT);
130                 }
131         }
132         wlan_serialize_exit();
133         return(ENXIO);
134 }
135
136 static int
137 wi_pci_attach(device_t dev)
138 {
139         struct wi_softc         *sc;
140         u_int32_t               command, wanted;
141         u_int16_t               reg;
142         int                     error;
143         int                     timeout;
144
145         wlan_serialize_enter();
146         sc = device_get_softc(dev);
147
148         command = pci_read_config(dev, PCIR_COMMAND, 4);
149         wanted = PCIM_CMD_PORTEN|PCIM_CMD_MEMEN;
150         command |= wanted;
151         pci_write_config(dev, PCIR_COMMAND, command, 4);
152         command = pci_read_config(dev, PCIR_COMMAND, 4);
153         if ((command & wanted) != wanted) {
154                 device_printf(dev, "wi_pci_attach() failed to enable pci!\n");
155                 wlan_serialize_exit();
156                 return (ENXIO);
157         }
158
159         if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
160                 error = wi_alloc(dev, WI_PCI_IORES);
161                 if (error) {
162                         wlan_serialize_exit();
163                         return (error);
164                 }
165
166                 /* Make sure interrupts are disabled. */
167                 CSR_WRITE_2(sc, WI_INT_EN, 0);
168                 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
169
170                 /* We have to do a magic PLX poke to enable interrupts */
171                 sc->local_rid = WI_PCI_LOCALRES;
172                 sc->local = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
173                     &sc->local_rid, RF_ACTIVE);
174                 sc->wi_localtag = rman_get_bustag(sc->local);
175                 sc->wi_localhandle = rman_get_bushandle(sc->local);
176                 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle,
177                     WI_LOCAL_INTCSR);
178                 command |= WI_LOCAL_INTEN;
179                 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle,
180                     WI_LOCAL_INTCSR, command);
181                 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid,
182                     sc->local);
183                 sc->local = NULL;
184
185                 sc->mem_rid = WI_PCI_MEMRES;
186                 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
187                                         &sc->mem_rid, RF_ACTIVE);
188                 if (sc->mem == NULL) {
189                         device_printf(dev, "couldn't allocate memory\n");
190                         wi_free(dev);
191                         wlan_serialize_exit();
192                         return (ENXIO);
193                 }
194                 sc->wi_bmemtag = rman_get_bustag(sc->mem);
195                 sc->wi_bmemhandle = rman_get_bushandle(sc->mem);
196
197                 /*
198                  * Write COR to enable PC card
199                  * This is a subset of the protocol that the pccard bus code
200                  * would do.  In theory, we should parse the CIS to find the
201                  * COR offset.  In practice, the COR_OFFSET is always 0x3e0.
202                  */
203                 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE); 
204                 reg = CSM_READ_1(sc, WI_COR_OFFSET);
205                 if (reg != WI_COR_VALUE) {
206                         device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) "
207                             "wanted %d, got %d\n", WI_COR_VALUE, reg);
208                         wi_free(dev);
209                         wlan_serialize_exit();
210                         return (ENXIO);
211                 }
212         } else {
213                 error = wi_alloc(dev, WI_PCI_LMEMRES);
214                 if (error) {
215                         wlan_serialize_exit();
216                         return (error);
217                 }
218
219                 CSR_WRITE_2(sc, WI_PCICOR_OFF, WI_PCICOR_RESET);
220                 DELAY(250000);
221
222                 CSR_WRITE_2(sc, WI_PCICOR_OFF, 0x0000);
223                 DELAY(500000);
224
225                 timeout=2000000;
226                 while ((--timeout > 0) &&
227                     (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY))
228                         DELAY(10);
229
230                 if (timeout == 0) {
231                         device_printf(dev, "couldn't reset prism pci core.\n");
232                         wi_free(dev);
233                         wlan_serialize_exit();
234                         return(ENXIO);
235                 }
236         }
237
238         CSR_WRITE_2(sc, WI_HFA384X_SWSUPPORT0_OFF, WI_PRISM2STA_MAGIC);
239         reg = CSR_READ_2(sc, WI_HFA384X_SWSUPPORT0_OFF);
240         if (reg != WI_PRISM2STA_MAGIC) {
241                 device_printf(dev,
242                     "CSR_READ_2(WI_HFA384X_SWSUPPORT0_OFF) "
243                     "wanted %d, got %d\n", WI_PRISM2STA_MAGIC, reg);
244                 wi_free(dev);
245                 wlan_serialize_exit();
246                 return (ENXIO);
247         }
248
249         error = wi_attach(dev);
250         if (error != 0)
251                 wi_free(dev);
252         wlan_serialize_exit();
253         return (error);
254 }
255
256 static int
257 wi_pci_suspend(device_t dev)
258 {
259         struct wi_softc *sc = device_get_softc(dev);
260
261         wlan_serialize_enter();
262         wi_stop(sc, 1);
263         wlan_serialize_exit();
264         
265         return (0);
266 }
267
268 static int
269 wi_pci_resume(device_t dev)
270 {
271         struct wi_softc *sc = device_get_softc(dev);
272         struct ifnet *ifp = sc->sc_ifp;
273
274         wlan_serialize_enter();
275         if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
276                 wlan_serialize_exit();
277                 return (0);
278         }
279
280         if (ifp->if_flags & IFF_UP) {
281                 ifp->if_init(ifp->if_softc);
282                 if (ifp->if_flags & IFF_RUNNING)
283                         ifp->if_start(ifp);
284         }
285         wlan_serialize_exit();
286
287         return (0);
288 }