Make all network interrupt service routines MPSAFE part 1/3.
[dragonfly.git] / sys / dev / netif / awi / if_awi_pccard.c
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1/*
2 * Copyright (c) 2000 Atsushi Onoe <onoe@sm.sony.co.jp>
3 * 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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: src/sys/dev/awi/if_awi_pccard.c,v 1.5.2.1 2000/12/07 04:09:39 imp Exp $
78195a76 26 * $DragonFly: src/sys/dev/netif/awi/Attic/if_awi_pccard.c,v 1.14 2005/11/28 17:13:41 dillon Exp $
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27 */
28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/kernel.h>
32#include <sys/socket.h>
33
34#include <sys/module.h>
35#include <sys/bus.h>
36
37#include <machine/bus.h>
38#include <machine/resource.h>
39#include <sys/rman.h>
40
41#include <net/if.h>
42#include <net/if_arp.h>
43#include <net/if_media.h>
44#include <net/ethernet.h>
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45#include <netproto/802_11/ieee80211.h>
46#include <netproto/802_11/ieee80211_ioctl.h>
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47
48#include <machine/clock.h>
49
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50#include "am79c930reg.h"
51#include "am79c930var.h"
52#include "awireg.h"
53#include "awivar.h"
984263bc 54
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55#include <bus/pccard/pccardvar.h>
56#include <bus/pccard/pccarddevs.h>
57#include "card_if.h"
58
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59struct awi_pccard_softc {
60 struct awi_softc sc_awi;
61
62 u_int8_t sc_version[AWI_BANNER_LEN];
63 int sc_intr_mask;
64 void *sc_intrhand;
65 struct resource *sc_irq_res;
66 int sc_irq_rid;
67 struct resource *sc_port_res;
68 int sc_port_rid;
69 struct resource *sc_mem_res;
70 int sc_mem_rid;
71};
72
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73static const struct pccard_product awi_pccard_products[] = {
74 PCMCIA_CARD(AMD, AM79C930, 0),
75 PCMCIA_CARD(BAY, STACK_650, 0),
76 PCMCIA_CARD(BAY, STACK_660, 0),
77 PCMCIA_CARD(BAY, SURFER_PRO, 0),
78 PCMCIA_CARD(ICOM, SL200, 0),
79 PCMCIA_CARD(NOKIA, C020_WLAN, 0),
80 PCMCIA_CARD(FARALLON, SKYLINE, 0),
81 PCMCIA_CARD(ZOOM, AIR_4000, 0),
82 { NULL }
83};
84
85static int awi_pccard_match(device_t);
86static int awi_pccard_probe(device_t);
87static int awi_pccard_attach(device_t);
88static int awi_pccard_detach(device_t);
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89
90static int
91awi_pccard_match(device_t dev)
92{
93 const struct pccard_product *pp;
94
95 if ((pp = pccard_product_lookup(dev, awi_pccard_products,
96 sizeof(awi_pccard_products[0]), NULL)) != NULL) {
97 if (pp->pp_name != NULL)
98 device_set_desc(dev, pp->pp_name);
99 return 0;
100 }
101 return ENXIO;
102}
103
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104/*
105 * Initialize the device - called from Slot manager.
106 */
107static int
108awi_pccard_probe(device_t dev)
109{
110 struct awi_pccard_softc *psc = device_get_softc(dev);
111 struct awi_softc *sc = &psc->sc_awi;
112 int error = 0;
113
114 psc->sc_port_rid = 0;
115 psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
116 &psc->sc_port_rid, 0, ~0, 16, RF_ACTIVE);
117 if (!psc->sc_port_res)
118 return ENOMEM;
119
120 sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
121 sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
122 am79c930_chip_init(&sc->sc_chip, 0);
123 DELAY(1000);
124
125 awi_read_bytes(sc, AWI_BANNER, psc->sc_version, AWI_BANNER_LEN);
126 if (memcmp(psc->sc_version, "PCnetMobile:", 12) != 0) {
127 device_printf(dev, "awi_pccard_probe: bad banner: %12D\n",
128 psc->sc_version, " ");
129 error = ENXIO;
130 } else
131 device_set_desc(dev, psc->sc_version);
132 bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
133 psc->sc_port_res);
134
135 return error;
136}
137
138static int
139awi_pccard_attach(device_t dev)
140{
141 struct awi_pccard_softc *psc = device_get_softc(dev);
142 struct awi_softc *sc = &psc->sc_awi;
143 struct ifnet *ifp = &sc->sc_ec.ac_if;
144 int error = 0;
145
146 psc->sc_port_res = 0;
147 psc->sc_irq_res = 0;
148 psc->sc_mem_res = 0;
149 psc->sc_intrhand = 0;
150
4372b8e4 151 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
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152
153 psc->sc_port_rid = 0;
154 psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
155 &psc->sc_port_rid, 0, ~0, 16, RF_ACTIVE);
156 if (!psc->sc_port_res) {
157 device_printf(dev, "awi_pccard_attach: port alloc failed\n");
158 goto fail;
159 }
160 sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
161 sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
162
163 psc->sc_irq_rid = 0;
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164 psc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
165 &psc->sc_irq_rid, RF_ACTIVE);
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166 if (!psc->sc_irq_res) {
167 device_printf(dev, "awi_pccard_attach: irq alloc failed\n");
168 goto fail;
169 }
170
171 psc->sc_mem_rid = 0;
172#if 1
173 /*
174 * XXX: awi needs to access memory with 8bit,
175 * but pccardd apparently maps memory with MDF_16BITS flag.
176 * So memory mapped access is disabled and use IO port instead.
177 */
178 psc->sc_mem_res = 0;
179#else
180 psc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
181 &psc->sc_mem_rid, 0, ~0, 0x8000, RF_ACTIVE);
182#endif
183 if (psc->sc_mem_res) {
184 sc->sc_chip.sc_memt = rman_get_bustag(psc->sc_mem_res);
185 sc->sc_chip.sc_memh = rman_get_bushandle(psc->sc_mem_res);
186 am79c930_chip_init(&sc->sc_chip, 1);
187 } else
188 am79c930_chip_init(&sc->sc_chip, 0);
189
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190 sc->sc_enabled = 1;
191 sc->sc_ifp = &sc->sc_ec.ac_if;
192
193 error = awi_attach(sc);
194 sc->sc_enabled = 0; /*XXX*/
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195
196 if (error) {
197 device_printf(dev, "awi_pccard_attach: awi_attach failed\n");
198 goto fail;
199 }
200
201 error = bus_setup_intr(dev, psc->sc_irq_res, INTR_NETSAFE,
202 (void (*)(void *))awi_intr, sc,
203 &psc->sc_intrhand, sc->sc_ifp->if_serializer);
204 if (error) {
205 device_printf(dev, "awi_pccard_attach: intr setup failed\n");
206 goto fail;
207 }
208 return 0;
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209
210 fail:
211 if (psc->sc_intrhand) {
212 bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
213 psc->sc_intrhand = 0;
214 }
215 if (psc->sc_port_res) {
216 bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
217 psc->sc_port_res);
218 psc->sc_port_res = 0;
219 }
220 if (psc->sc_irq_res) {
221 bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
222 psc->sc_irq_res);
223 psc->sc_irq_res = 0;
224 }
225 if (psc->sc_mem_res) {
226 bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
227 psc->sc_mem_res);
228 psc->sc_mem_res = 0;
229 }
230 if (error == 0)
231 error = ENXIO;
232 return error;
233}
234
235static int
236awi_pccard_detach(device_t dev)
237{
238 struct awi_pccard_softc *psc = device_get_softc(dev);
239 struct awi_softc *sc = &psc->sc_awi;
240 struct ifnet *ifp = &sc->sc_ec.ac_if;
241
0a8b5977 242 ether_ifdetach(ifp);
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243 ifp->if_flags &= ~IFF_RUNNING;
244 if (psc->sc_intrhand) {
245 bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
246 psc->sc_intrhand = 0;
247 }
248 if (psc->sc_port_res) {
249 bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
250 psc->sc_port_res);
251 psc->sc_port_res = 0;
252 }
253 if (psc->sc_irq_res) {
254 bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
255 psc->sc_irq_res);
256 psc->sc_irq_res = 0;
257 }
258 if (psc->sc_mem_res) {
259 bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
260 psc->sc_mem_res);
261 psc->sc_mem_res = 0;
262 }
263 return 0;
264}
265
266static device_method_t awi_pccard_methods[] = {
267 /* Device interface */
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268 DEVMETHOD(device_probe, pccard_compat_probe),
269 DEVMETHOD(device_attach, pccard_compat_attach),
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270 DEVMETHOD(device_detach, awi_pccard_detach),
271
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272 /* Card interface */
273 DEVMETHOD(card_compat_match, awi_pccard_match),
274 DEVMETHOD(card_compat_probe, awi_pccard_probe),
275 DEVMETHOD(card_compat_attach, awi_pccard_attach),
276
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277 { 0, 0 }
278};
279
280static driver_t awi_pccard_driver = {
281 "awi",
282 awi_pccard_methods,
283 sizeof(struct awi_pccard_softc),
284};
285
286extern devclass_t awi_devclass;
287
32832096 288DRIVER_MODULE(if_awi, pccard, awi_pccard_driver, awi_devclass, 0, 0);