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 295126 2016-02-01 17:41:21Z glebius $
33 */
34
35 /*
36 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for FreeBSD.
37 *
38 * Written by Bill Paul <wpaul@ctr.columbia.edu>
39 * Electrical Engineering Department
40 * Columbia University, New York City
41 */
42
43 #include <sys/param.h>
44 #include <sys/kernel.h>
45 #include <sys/malloc.h>
46 #include <sys/socket.h>
47 #include <sys/systm.h>
48 #include <sys/module.h>
49 #include <sys/bus.h>
50
51 #if !defined(__DragonFly__)
52 #include <machine/bus.h>
53 #include <machine/resource.h>
54 #endif
55 #include <sys/rman.h>
56
57 #if defined(__DragonFly__)
58 #include <bus/pci/pcivar.h>
59 #include <bus/pci/pcireg.h>
60 #else
61 #include <dev/pci/pcireg.h>
62 #include <dev/pci/pcivar.h>
63 #endif
64
65 #include <net/if.h>
66 #include <net/if_var.h>
67 #include <net/if_arp.h>
68 #include <net/ethernet.h>
69 #include <net/if_media.h>
70 #include <net/if_types.h>
71
72 #if defined(__DragonFly__)
73 #include <netproto/802_11/ieee80211_var.h>
74 #include <netproto/802_11/ieee80211_radiotap.h>
75 #else
76 #include <net80211/ieee80211_var.h>
77 #include <net80211/ieee80211_radiotap.h>
78 #endif
79
80 #if defined(__DragonFly__)
81 #include "if_wavelan_ieee.h"
82 #include "if_wireg.h"
83 #include "if_wivar.h"
84 #else
85 #include <dev/wi/if_wavelan_ieee.h>
86 #include <dev/wi/if_wireg.h>
87 #include <dev/wi/if_wivar.h>
88 #endif
89
90 static int wi_pci_probe(device_t);
91 static int wi_pci_attach(device_t);
92 static int wi_pci_suspend(device_t);
93 static int wi_pci_resume(device_t);
94
95 static device_method_t wi_pci_methods[] = {
96 /* Device interface */
97 DEVMETHOD(device_probe, wi_pci_probe),
98 DEVMETHOD(device_attach, wi_pci_attach),
99 DEVMETHOD(device_detach, wi_detach),
100 DEVMETHOD(device_shutdown, wi_shutdown),
101 DEVMETHOD(device_suspend, wi_pci_suspend),
102 DEVMETHOD(device_resume, wi_pci_resume),
103
104 DEVMETHOD_END
105 };
106
107 static driver_t wi_pci_driver = {
108 "wi",
109 wi_pci_methods,
110 sizeof(struct wi_softc)
111 };
112
113 static struct {
114 unsigned int vendor,device;
115 int bus_type;
116 char *desc;
117 } pci_ids[] = {
118 /* Sorted by description */
119 {0x10b7, 0x7770, WI_BUS_PCI_PLX, "3Com Airconnect"},
120 {0x16ab, 0x1101, WI_BUS_PCI_PLX, "GLPRISM2 WaveLAN"},
121 {0x1260, 0x3872, WI_BUS_PCI_NATIVE, "Intersil Prism3"},
122 {0x1260, 0x3873, WI_BUS_PCI_NATIVE, "Intersil Prism2.5"},
123 {0x16ab, 0x1102, WI_BUS_PCI_PLX, "Linksys WDT11"},
124 {0x1385, 0x4100, WI_BUS_PCI_PLX, "Netgear MA301"},
125 {0x1638, 0x1100, WI_BUS_PCI_PLX, "PRISM2STA WaveLAN"},
126 {0x111a, 0x1023, WI_BUS_PCI_PLX, "Siemens SpeedStream"},
127 {0x10b5, 0x9050, WI_BUS_PCI_PLX, "SMC 2602W"},
128 {0x16ec, 0x3685, WI_BUS_PCI_PLX, "US Robotics 2415"},
129 {0x4033, 0x7001, WI_BUS_PCI_PLX, "Addtron AWA-100 PCI"},
130 {0, 0, 0, NULL}
131 };
132
133 DRIVER_MODULE(wi, pci, wi_pci_driver, wi_devclass, NULL, NULL);
134 MODULE_DEPEND(wi, pci, 1, 1, 1);
135 MODULE_DEPEND(wi, wlan, 1, 1, 1);
136
137 static int
wi_pci_probe(device_t dev)138 wi_pci_probe(device_t dev)
139 {
140 struct wi_softc *sc;
141 int i;
142
143 sc = device_get_softc(dev);
144 for(i=0; pci_ids[i].vendor != 0; i++) {
145 if ((pci_get_vendor(dev) == pci_ids[i].vendor) &&
146 (pci_get_device(dev) == pci_ids[i].device)) {
147 sc->wi_bus_type = pci_ids[i].bus_type;
148 device_set_desc(dev, pci_ids[i].desc);
149 return (BUS_PROBE_DEFAULT);
150 }
151 }
152 return(ENXIO);
153 }
154
155 static int
wi_pci_attach(device_t dev)156 wi_pci_attach(device_t dev)
157 {
158 struct wi_softc *sc;
159 u_int32_t command;
160 u_int16_t reg;
161 int error;
162 int timeout;
163
164 sc = device_get_softc(dev);
165
166 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
167 error = wi_alloc(dev, WI_PCI_IORES);
168 if (error)
169 return (error);
170
171 /* Make sure interrupts are disabled. */
172 CSR_WRITE_2(sc, WI_INT_EN, 0);
173 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
174
175 /* We have to do a magic PLX poke to enable interrupts */
176 sc->local_rid = WI_PCI_LOCALRES;
177 sc->local = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
178 &sc->local_rid, RF_ACTIVE);
179 sc->wi_localtag = rman_get_bustag(sc->local);
180 sc->wi_localhandle = rman_get_bushandle(sc->local);
181 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle,
182 WI_LOCAL_INTCSR);
183 command |= WI_LOCAL_INTEN;
184 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle,
185 WI_LOCAL_INTCSR, command);
186 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid,
187 sc->local);
188 sc->local = NULL;
189
190 sc->mem_rid = WI_PCI_MEMRES;
191 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
192 &sc->mem_rid, RF_ACTIVE);
193 if (sc->mem == NULL) {
194 device_printf(dev, "couldn't allocate memory\n");
195 wi_free(dev);
196 return (ENXIO);
197 }
198 sc->wi_bmemtag = rman_get_bustag(sc->mem);
199 sc->wi_bmemhandle = rman_get_bushandle(sc->mem);
200
201 /*
202 * Write COR to enable PC card
203 * This is a subset of the protocol that the pccard bus code
204 * would do. In theory, we should parse the CIS to find the
205 * COR offset. In practice, the COR_OFFSET is always 0x3e0.
206 */
207 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE);
208 reg = CSM_READ_1(sc, WI_COR_OFFSET);
209 if (reg != WI_COR_VALUE) {
210 device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) "
211 "wanted %d, got %d\n", WI_COR_VALUE, reg);
212 wi_free(dev);
213 return (ENXIO);
214 }
215 } else {
216 error = wi_alloc(dev, WI_PCI_LMEMRES);
217 if (error)
218 return (error);
219
220 CSR_WRITE_2(sc, WI_PCICOR_OFF, WI_PCICOR_RESET);
221 DELAY(250000);
222
223 CSR_WRITE_2(sc, WI_PCICOR_OFF, 0x0000);
224 DELAY(500000);
225
226 timeout=2000000;
227 while ((--timeout > 0) &&
228 (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY))
229 DELAY(10);
230
231 if (timeout == 0) {
232 device_printf(dev, "couldn't reset prism pci core.\n");
233 wi_free(dev);
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 return (ENXIO);
246 }
247
248 error = wi_attach(dev);
249 if (error != 0)
250 wi_free(dev);
251 return (error);
252 }
253
254 static int
wi_pci_suspend(device_t dev)255 wi_pci_suspend(device_t dev)
256 {
257 struct wi_softc *sc = device_get_softc(dev);
258
259 WI_LOCK(sc);
260 wi_stop(sc, 1);
261 WI_UNLOCK(sc);
262
263 return (0);
264 }
265
266 static int
wi_pci_resume(device_t dev)267 wi_pci_resume(device_t dev)
268 {
269 struct wi_softc *sc = device_get_softc(dev);
270 struct ieee80211com *ic = &sc->sc_ic;
271
272 WI_LOCK(sc);
273 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
274 WI_UNLOCK(sc);
275 return (0);
276 }
277 if (ic->ic_nrunning > 0)
278 wi_init(sc);
279 WI_UNLOCK(sc);
280 return (0);
281 }
282