Remove now unnecessary messing with PCI command register.
[dragonfly.git] / sys / dev / netif / wi / if_wi_pci.c
CommitLineData
984263bc
MD
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 *
acffed4b 32 * $FreeBSD: src/sys/dev/wi/if_wi_pci.c,v 1.22 2004/03/17 17:50:48 njl Exp $
98036ca1 33 * $DragonFly: src/sys/dev/netif/wi/if_wi_pci.c,v 1.6 2005/06/30 16:05:14 joerg Exp $
984263bc
MD
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>
acffed4b 50#include <sys/thread.h>
984263bc
MD
51
52#include <machine/bus.h>
53#include <machine/resource.h>
54#include <machine/clock.h>
55#include <sys/rman.h>
56
1f2de5d4
MD
57#include <bus/pci/pcireg.h>
58#include <bus/pci/pcivar.h>
984263bc
MD
59
60#include <net/if.h>
61#include <net/if_arp.h>
62#include <net/ethernet.h>
63#include <net/if_media.h>
64#include <net/if_types.h>
acffed4b
JS
65
66#include <netproto/802_11/ieee80211_var.h>
67#include <netproto/802_11/ieee80211_radiotap.h>
3ee50d77 68#include <netproto/802_11/if_wavelan_ieee.h>
984263bc 69
acffed4b
JS
70#include <dev/netif/wi/if_wireg.h>
71#include <dev/netif/wi/if_wivar.h>
984263bc
MD
72
73static int wi_pci_probe(device_t);
74static int wi_pci_attach(device_t);
acffed4b
JS
75static int wi_pci_suspend(device_t);
76static int wi_pci_resume(device_t);
984263bc
MD
77
78static device_method_t wi_pci_methods[] = {
79 /* Device interface */
80 DEVMETHOD(device_probe, wi_pci_probe),
81 DEVMETHOD(device_attach, wi_pci_attach),
acffed4b 82 DEVMETHOD(device_detach, wi_detach),
984263bc 83 DEVMETHOD(device_shutdown, wi_shutdown),
acffed4b
JS
84 DEVMETHOD(device_suspend, wi_pci_suspend),
85 DEVMETHOD(device_resume, wi_pci_resume),
984263bc
MD
86
87 { 0, 0 }
88};
89
90static driver_t wi_pci_driver = {
91 "wi",
92 wi_pci_methods,
93 sizeof(struct wi_softc)
94};
95
98036ca1 96static struct wi_pci_card {
984263bc
MD
97 unsigned int vendor,device;
98 int bus_type;
99 char *desc;
98036ca1 100} wi_pci_cards[] = {
984263bc
MD
101 /* Sorted by description */
102 {0x10b7, 0x7770, WI_BUS_PCI_PLX, "3Com Airconnect"},
103 {0x16ab, 0x1101, WI_BUS_PCI_PLX, "GLPRISM2 WaveLAN"},
acffed4b 104 {0x1260, 0x3872, WI_BUS_PCI_NATIVE, "Intersil Prism3"},
984263bc
MD
105 {0x1260, 0x3873, WI_BUS_PCI_NATIVE, "Intersil Prism2.5"},
106 {0x16ab, 0x1102, WI_BUS_PCI_PLX, "Linksys WDT11"},
107 {0x1385, 0x4100, WI_BUS_PCI_PLX, "Netgear MA301"},
108 {0x1638, 0x1100, WI_BUS_PCI_PLX, "PRISM2STA WaveLAN"},
109 {0x111a, 0x1023, WI_BUS_PCI_PLX, "Siemens SpeedStream"},
acffed4b 110 {0x10b5, 0x9050, WI_BUS_PCI_PLX, "SMC 2602W"},
984263bc 111 {0x16ec, 0x3685, WI_BUS_PCI_PLX, "US Robotics 2415"},
acffed4b 112 {0x4033, 0x7001, WI_BUS_PCI_PLX, "Addtron AWA-100 PCI"},
984263bc
MD
113 {0, 0, 0, NULL}
114};
115
acffed4b
JS
116DRIVER_MODULE(wi, pci, wi_pci_driver, wi_devclass, 0, 0);
117MODULE_DEPEND(wi, pci, 1, 1, 1);
118MODULE_DEPEND(wi, wlan, 1, 1, 1);
984263bc
MD
119
120static int
98036ca1 121wi_pci_probe(device_t dev)
984263bc 122{
98036ca1
JS
123 struct wi_softc *sc;
124 struct wi_pci_card *p;
125 uint16_t vendor, device;
126
127 vendor = pci_get_vendor(dev);
128 device = pci_get_device(dev);
129 for (p = wi_pci_cards; p->vendor != NULL; p++) {
130 if (vendor == p->vendor && device == p->device) {
131 sc = device_get_softc(dev);
132 sc->wi_bus_type = p->bus_type;
133 device_set_desc(dev, p->desc);
984263bc
MD
134 return (0);
135 }
136 }
137 return(ENXIO);
138}
139
140static int
141wi_pci_attach(device_t dev)
142{
143 struct wi_softc *sc;
984263bc
MD
144 u_int16_t reg;
145 int error;
984263bc
MD
146
147 sc = device_get_softc(dev);
148
984263bc 149 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
98036ca1
JS
150 uint32_t command;
151
984263bc
MD
152 error = wi_alloc(dev, WI_PCI_IORES);
153 if (error)
154 return (error);
155
156 /* Make sure interrupts are disabled. */
157 CSR_WRITE_2(sc, WI_INT_EN, 0);
158 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
159
160 /* We have to do a magic PLX poke to enable interrupts */
161 sc->local_rid = WI_PCI_LOCALRES;
acffed4b
JS
162 sc->local = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
163 &sc->local_rid, RF_ACTIVE);
984263bc
MD
164 sc->wi_localtag = rman_get_bustag(sc->local);
165 sc->wi_localhandle = rman_get_bushandle(sc->local);
166 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle,
167 WI_LOCAL_INTCSR);
168 command |= WI_LOCAL_INTEN;
169 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle,
170 WI_LOCAL_INTCSR, command);
171 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid,
172 sc->local);
173 sc->local = NULL;
174
175 sc->mem_rid = WI_PCI_MEMRES;
acffed4b
JS
176 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
177 &sc->mem_rid, RF_ACTIVE);
984263bc
MD
178 if (sc->mem == NULL) {
179 device_printf(dev, "couldn't allocate memory\n");
180 wi_free(dev);
181 return (ENXIO);
182 }
183 sc->wi_bmemtag = rman_get_bustag(sc->mem);
184 sc->wi_bmemhandle = rman_get_bushandle(sc->mem);
185
186 /*
187 * From Linux driver:
188 * Write COR to enable PC card
189 * This is a subset of the protocol that the pccard bus code
190 * would do.
191 */
192 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE);
193 reg = CSM_READ_1(sc, WI_COR_OFFSET);
194 if (reg != WI_COR_VALUE) {
195 device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) "
196 "wanted %d, got %d\n", WI_COR_VALUE, reg);
197 wi_free(dev);
198 return (ENXIO);
199 }
200 } else {
98036ca1
JS
201 int timeout;
202
984263bc
MD
203 error = wi_alloc(dev, WI_PCI_LMEMRES);
204 if (error)
205 return (error);
206
207 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0080);
208 DELAY(250000);
209
210 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0000);
211 DELAY(500000);
212
213 timeout=2000000;
214 while ((--timeout > 0) &&
215 (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY))
216 DELAY(10);
217
218 if (timeout == 0) {
219 device_printf(dev, "couldn't reset prism2.5 core.\n");
220 wi_free(dev);
221 return(ENXIO);
222 }
223 }
224
225 CSR_WRITE_2(sc, WI_HFA384X_SWSUPPORT0_OFF, WI_PRISM2STA_MAGIC);
226 reg = CSR_READ_2(sc, WI_HFA384X_SWSUPPORT0_OFF);
227 if (reg != WI_PRISM2STA_MAGIC) {
228 device_printf(dev,
229 "CSR_READ_2(WI_HFA384X_SWSUPPORT0_OFF) "
230 "wanted %d, got %d\n", WI_PRISM2STA_MAGIC, reg);
231 wi_free(dev);
232 return (ENXIO);
233 }
234
acffed4b 235 error = wi_attach(dev);
984263bc 236 if (error != 0)
acffed4b
JS
237 wi_free(dev);
238 return (error);
239}
240
241static int
242wi_pci_suspend(device_t dev)
243{
244 struct wi_softc *sc;
245 struct ifnet *ifp;
246 sc = device_get_softc(dev);
247 ifp = &sc->sc_if;
248
249 wi_stop(ifp, 1);
250
251 return (0);
252}
253
254static int
255wi_pci_resume(device_t dev)
256{
257 struct wi_softc *sc;
258 struct ifnet *ifp;
259 sc = device_get_softc(dev);
260 ifp = &sc->sc_if;
261
262 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE)
263 return (0);
264
265 if (ifp->if_flags & IFF_UP) {
266 ifp->if_init(ifp->if_softc);
267 if (ifp->if_flags & IFF_RUNNING)
268 ifp->if_start(ifp);
269 }
984263bc
MD
270
271 return (0);
272}