Add const for argument of argmatch to fix warnings.
[dragonfly.git] / sys / dev / netif / wi / if_wi_pci.c
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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: src/sys/dev/wi/if_wi_pci.c,v 1.8.2.3 2002/06/16 18:07:18 nsayer Exp $
3ee50d77 33 * $DragonFly: src/sys/dev/netif/wi/if_wi_pci.c,v 1.4 2004/07/27 14:30:10 joerg Exp $
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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
51#include <machine/bus.h>
52#include <machine/resource.h>
53#include <machine/clock.h>
54#include <sys/rman.h>
55
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56#include <bus/pci/pcireg.h>
57#include <bus/pci/pcivar.h>
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58
59#include <net/if.h>
60#include <net/if_arp.h>
61#include <net/ethernet.h>
62#include <net/if_media.h>
63#include <net/if_types.h>
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64#include <netproto/802_11/ieee80211.h>
65#include <netproto/802_11/ieee80211_ioctl.h>
66#include <netproto/802_11/if_wavelan_ieee.h>
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68#include "wi_hostap.h"
69#include "if_wivar.h"
70#include "if_wireg.h"
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71
72static int wi_pci_probe(device_t);
73static int wi_pci_attach(device_t);
74
75static device_method_t wi_pci_methods[] = {
76 /* Device interface */
77 DEVMETHOD(device_probe, wi_pci_probe),
78 DEVMETHOD(device_attach, wi_pci_attach),
79 DEVMETHOD(device_detach, wi_generic_detach),
80 DEVMETHOD(device_shutdown, wi_shutdown),
81
82 { 0, 0 }
83};
84
85static driver_t wi_pci_driver = {
86 "wi",
87 wi_pci_methods,
88 sizeof(struct wi_softc)
89};
90
91static 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, 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 {0x16ec, 0x3685, WI_BUS_PCI_PLX, "US Robotics 2415"},
105 {0, 0, 0, NULL}
106};
107
108DRIVER_MODULE(if_wi, pci, wi_pci_driver, wi_devclass, 0, 0);
109
110static int
111wi_pci_probe(dev)
112 device_t dev;
113{
114 struct wi_softc *sc;
115 int i;
116
117 sc = device_get_softc(dev);
118 for(i=0; pci_ids[i].vendor != 0; i++) {
119 if ((pci_get_vendor(dev) == pci_ids[i].vendor) &&
120 (pci_get_device(dev) == pci_ids[i].device)) {
121 sc->wi_bus_type = pci_ids[i].bus_type;
122 device_set_desc(dev, pci_ids[i].desc);
123 return (0);
124 }
125 }
126 return(ENXIO);
127}
128
129static int
130wi_pci_attach(device_t dev)
131{
132 struct wi_softc *sc;
133 u_int32_t command, wanted;
134 u_int16_t reg;
135 int error;
136 int timeout;
137
138 sc = device_get_softc(dev);
139
140 command = pci_read_config(dev, PCIR_COMMAND, 4);
141 wanted = PCIM_CMD_PORTEN|PCIM_CMD_MEMEN;
142 command |= wanted;
143 pci_write_config(dev, PCIR_COMMAND, command, 4);
144 command = pci_read_config(dev, PCIR_COMMAND, 4);
145 if ((command & wanted) != wanted) {
146 device_printf(dev, "wi_pci_attach() failed to enable pci!\n");
147 return (ENXIO);
148 }
149
150 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
151 error = wi_alloc(dev, WI_PCI_IORES);
152 if (error)
153 return (error);
154
155 /* Make sure interrupts are disabled. */
156 CSR_WRITE_2(sc, WI_INT_EN, 0);
157 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
158
159 /* We have to do a magic PLX poke to enable interrupts */
160 sc->local_rid = WI_PCI_LOCALRES;
161 sc->local = bus_alloc_resource(dev, SYS_RES_IOPORT,
162 &sc->local_rid, 0, ~0, 1, RF_ACTIVE);
163 sc->wi_localtag = rman_get_bustag(sc->local);
164 sc->wi_localhandle = rman_get_bushandle(sc->local);
165 command = bus_space_read_4(sc->wi_localtag, sc->wi_localhandle,
166 WI_LOCAL_INTCSR);
167 command |= WI_LOCAL_INTEN;
168 bus_space_write_4(sc->wi_localtag, sc->wi_localhandle,
169 WI_LOCAL_INTCSR, command);
170 bus_release_resource(dev, SYS_RES_IOPORT, sc->local_rid,
171 sc->local);
172 sc->local = NULL;
173
174 sc->mem_rid = WI_PCI_MEMRES;
175 sc->mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
176 0, ~0, 1, RF_ACTIVE);
177 if (sc->mem == NULL) {
178 device_printf(dev, "couldn't allocate memory\n");
179 wi_free(dev);
180 return (ENXIO);
181 }
182 sc->wi_bmemtag = rman_get_bustag(sc->mem);
183 sc->wi_bmemhandle = rman_get_bushandle(sc->mem);
184
185 /*
186 * From Linux driver:
187 * Write COR to enable PC card
188 * This is a subset of the protocol that the pccard bus code
189 * would do.
190 */
191 CSM_WRITE_1(sc, WI_COR_OFFSET, WI_COR_VALUE);
192 reg = CSM_READ_1(sc, WI_COR_OFFSET);
193 if (reg != WI_COR_VALUE) {
194 device_printf(dev, "CSM_READ_1(WI_COR_OFFSET) "
195 "wanted %d, got %d\n", WI_COR_VALUE, reg);
196 wi_free(dev);
197 return (ENXIO);
198 }
199 } else {
200 error = wi_alloc(dev, WI_PCI_LMEMRES);
201 if (error)
202 return (error);
203
204 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0080);
205 DELAY(250000);
206
207 CSR_WRITE_2(sc, WI_HFA384X_PCICOR_OFF, 0x0000);
208 DELAY(500000);
209
210 timeout=2000000;
211 while ((--timeout > 0) &&
212 (CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY))
213 DELAY(10);
214
215 if (timeout == 0) {
216 device_printf(dev, "couldn't reset prism2.5 core.\n");
217 wi_free(dev);
218 return(ENXIO);
219 }
220 }
221
222 CSR_WRITE_2(sc, WI_HFA384X_SWSUPPORT0_OFF, WI_PRISM2STA_MAGIC);
223 reg = CSR_READ_2(sc, WI_HFA384X_SWSUPPORT0_OFF);
224 if (reg != WI_PRISM2STA_MAGIC) {
225 device_printf(dev,
226 "CSR_READ_2(WI_HFA384X_SWSUPPORT0_OFF) "
227 "wanted %d, got %d\n", WI_PRISM2STA_MAGIC, reg);
228 wi_free(dev);
229 return (ENXIO);
230 }
231
232 error = wi_generic_attach(dev);
233 if (error != 0)
234 return (error);
235
236 return (0);
237}