1/*-
2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2010-2011 Adrian Chadd, Xenion Pty Ltd
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer,
11 * without modification.
12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
13 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
14 * redistribution must be conditioned upon including a substantially
15 * similar Disclaimer requirement for further binary redistribution.
16 *
17 * NO WARRANTY
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
21 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
22 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
23 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGES.
29 */
30
31#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2010-2011 Adrian Chadd, Xenion Pty Ltd
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer,
11 * without modification.
12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
13 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
14 * redistribution must be conditioned upon including a substantially
15 * similar Disclaimer requirement for further binary redistribution.
16 *
17 * NO WARRANTY
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
21 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
22 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
23 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGES.
29 */
30
31#include <sys/cdefs.h>
|
32__FBSDID("$FreeBSD: head/sys/dev/ath/if_ath_ahb.c 238433 2012-07-14 02:22:17Z adrian $");
| 32__FBSDID("$FreeBSD: head/sys/dev/ath/if_ath_ahb.c 238709 2012-07-23 02:49:25Z adrian $");
|
33
34/*
35 * AHB bus front-end for the Atheros Wireless LAN controller driver.
36 */
37
38#include "opt_ath.h"
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/module.h>
43#include <sys/kernel.h>
44#include <sys/lock.h>
45#include <sys/mutex.h>
46#include <sys/errno.h>
47
48#include <machine/bus.h>
49#include <machine/resource.h>
50#include <sys/bus.h>
51#include <sys/rman.h>
52
53#include <sys/socket.h>
54
55#include <net/if.h>
56#include <net/if_media.h>
57#include <net/if_arp.h>
58
59#include <net80211/ieee80211_var.h>
60
61#include <dev/ath/if_athvar.h>
62
63#include <mips/atheros/ar71xxreg.h>
64#include <mips/atheros/ar91xxreg.h>
65#include <mips/atheros/ar71xx_cpudef.h>
66
67/*
68 * bus glue.
69 */
70
71/* number of 16 bit words */
72#define ATH_EEPROM_DATA_SIZE 2048
73
74struct ath_ahb_softc {
75 struct ath_softc sc_sc;
76 struct resource *sc_sr; /* memory resource */
77 struct resource *sc_irq; /* irq resource */
78 struct resource *sc_eeprom; /* eeprom location */
79 void *sc_ih; /* interrupt handler */
80};
81
82#define VENDOR_ATHEROS 0x168c
83#define AR9130_DEVID 0x000b
84
85static int
86ath_ahb_probe(device_t dev)
87{
88 const char* devname;
89
90 /* Atheros / ar9130 */
91 devname = ath_hal_probe(VENDOR_ATHEROS, AR9130_DEVID);
92
93 if (devname != NULL) {
94 device_set_desc(dev, devname);
95 return BUS_PROBE_DEFAULT;
96 }
97 return ENXIO;
98}
99
100static int
101ath_ahb_attach(device_t dev)
102{
103 struct ath_ahb_softc *psc = device_get_softc(dev);
104 struct ath_softc *sc = &psc->sc_sc;
105 int error = ENXIO;
106 int rid;
107 long eepromaddr;
108 uint8_t *p;
109
110 sc->sc_dev = dev;
111
112 rid = 0;
113 psc->sc_sr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
114 if (psc->sc_sr == NULL) {
115 device_printf(dev, "cannot map register space\n");
116 goto bad;
117 }
118
119 if (resource_long_value(device_get_name(dev), device_get_unit(dev),
120 "eepromaddr", &eepromaddr) != 0) {
121 device_printf(dev, "cannot fetch 'eepromaddr' from hints\n");
122 goto bad0;
123 }
124 rid = 0;
125 device_printf(sc->sc_dev, "eeprom @ %p\n", (void *) eepromaddr);
126 psc->sc_eeprom = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, (uintptr_t) eepromaddr,
127 (uintptr_t) eepromaddr + (uintptr_t) ((ATH_EEPROM_DATA_SIZE * 2) - 1), 0, RF_ACTIVE);
128 if (psc->sc_eeprom == NULL) {
129 device_printf(dev, "cannot map eeprom space\n");
130 goto bad0;
131 }
132
133 /* XXX uintptr_t is a bandaid for ia64; to be fixed */
134 sc->sc_st = (HAL_BUS_TAG)(uintptr_t) rman_get_bustag(psc->sc_sr);
135 sc->sc_sh = (HAL_BUS_HANDLE) rman_get_bushandle(psc->sc_sr);
136 /*
137 * Mark device invalid so any interrupts (shared or otherwise)
138 * that arrive before the HAL is setup are discarded.
139 */
140 sc->sc_invalid = 1;
141
142 /* Copy the EEPROM data out */
143 sc->sc_eepromdata = malloc(ATH_EEPROM_DATA_SIZE * 2, M_TEMP, M_NOWAIT | M_ZERO);
144 if (sc->sc_eepromdata == NULL) {
145 device_printf(dev, "cannot allocate memory for eeprom data\n");
146 goto bad1;
147 }
148 device_printf(sc->sc_dev, "eeprom data @ %p\n", (void *) rman_get_bushandle(psc->sc_eeprom));
149 /* XXX why doesn't this work? -adrian */
150#if 0
151 bus_space_read_multi_1(
152 rman_get_bustag(psc->sc_eeprom),
153 rman_get_bushandle(psc->sc_eeprom),
154 0, (u_int8_t *) sc->sc_eepromdata, ATH_EEPROM_DATA_SIZE * 2);
155#endif
156 p = (void *) rman_get_bushandle(psc->sc_eeprom);
157 memcpy(sc->sc_eepromdata, p, ATH_EEPROM_DATA_SIZE * 2);
158
159 /*
160 * Arrange interrupt line.
161 */
162 rid = 0;
163 psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE|RF_ACTIVE);
164 if (psc->sc_irq == NULL) {
165 device_printf(dev, "could not map interrupt\n");
166 goto bad1;
167 }
168 if (bus_setup_intr(dev, psc->sc_irq,
169 INTR_TYPE_NET | INTR_MPSAFE,
170 NULL, ath_intr, sc, &psc->sc_ih)) {
171 device_printf(dev, "could not establish interrupt\n");
172 goto bad2;
173 }
174
175 /*
176 * Setup DMA descriptor area.
177 */
178 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
179 1, 0, /* alignment, bounds */
180 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
181 BUS_SPACE_MAXADDR, /* highaddr */
182 NULL, NULL, /* filter, filterarg */
183 0x3ffff, /* maxsize XXX */
184 ATH_MAX_SCATTER, /* nsegments */
185 0x3ffff, /* maxsegsize XXX */
186 BUS_DMA_ALLOCNOW, /* flags */
187 NULL, /* lockfunc */
188 NULL, /* lockarg */
189 &sc->sc_dmat)) {
190 device_printf(dev, "cannot allocate DMA tag\n");
191 goto bad3;
192 }
193
194 ATH_LOCK_INIT(sc);
195 ATH_PCU_LOCK_INIT(sc);
196 ATH_RX_LOCK_INIT(sc);
| 33
34/*
35 * AHB bus front-end for the Atheros Wireless LAN controller driver.
36 */
37
38#include "opt_ath.h"
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/module.h>
43#include <sys/kernel.h>
44#include <sys/lock.h>
45#include <sys/mutex.h>
46#include <sys/errno.h>
47
48#include <machine/bus.h>
49#include <machine/resource.h>
50#include <sys/bus.h>
51#include <sys/rman.h>
52
53#include <sys/socket.h>
54
55#include <net/if.h>
56#include <net/if_media.h>
57#include <net/if_arp.h>
58
59#include <net80211/ieee80211_var.h>
60
61#include <dev/ath/if_athvar.h>
62
63#include <mips/atheros/ar71xxreg.h>
64#include <mips/atheros/ar91xxreg.h>
65#include <mips/atheros/ar71xx_cpudef.h>
66
67/*
68 * bus glue.
69 */
70
71/* number of 16 bit words */
72#define ATH_EEPROM_DATA_SIZE 2048
73
74struct ath_ahb_softc {
75 struct ath_softc sc_sc;
76 struct resource *sc_sr; /* memory resource */
77 struct resource *sc_irq; /* irq resource */
78 struct resource *sc_eeprom; /* eeprom location */
79 void *sc_ih; /* interrupt handler */
80};
81
82#define VENDOR_ATHEROS 0x168c
83#define AR9130_DEVID 0x000b
84
85static int
86ath_ahb_probe(device_t dev)
87{
88 const char* devname;
89
90 /* Atheros / ar9130 */
91 devname = ath_hal_probe(VENDOR_ATHEROS, AR9130_DEVID);
92
93 if (devname != NULL) {
94 device_set_desc(dev, devname);
95 return BUS_PROBE_DEFAULT;
96 }
97 return ENXIO;
98}
99
100static int
101ath_ahb_attach(device_t dev)
102{
103 struct ath_ahb_softc *psc = device_get_softc(dev);
104 struct ath_softc *sc = &psc->sc_sc;
105 int error = ENXIO;
106 int rid;
107 long eepromaddr;
108 uint8_t *p;
109
110 sc->sc_dev = dev;
111
112 rid = 0;
113 psc->sc_sr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
114 if (psc->sc_sr == NULL) {
115 device_printf(dev, "cannot map register space\n");
116 goto bad;
117 }
118
119 if (resource_long_value(device_get_name(dev), device_get_unit(dev),
120 "eepromaddr", &eepromaddr) != 0) {
121 device_printf(dev, "cannot fetch 'eepromaddr' from hints\n");
122 goto bad0;
123 }
124 rid = 0;
125 device_printf(sc->sc_dev, "eeprom @ %p\n", (void *) eepromaddr);
126 psc->sc_eeprom = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, (uintptr_t) eepromaddr,
127 (uintptr_t) eepromaddr + (uintptr_t) ((ATH_EEPROM_DATA_SIZE * 2) - 1), 0, RF_ACTIVE);
128 if (psc->sc_eeprom == NULL) {
129 device_printf(dev, "cannot map eeprom space\n");
130 goto bad0;
131 }
132
133 /* XXX uintptr_t is a bandaid for ia64; to be fixed */
134 sc->sc_st = (HAL_BUS_TAG)(uintptr_t) rman_get_bustag(psc->sc_sr);
135 sc->sc_sh = (HAL_BUS_HANDLE) rman_get_bushandle(psc->sc_sr);
136 /*
137 * Mark device invalid so any interrupts (shared or otherwise)
138 * that arrive before the HAL is setup are discarded.
139 */
140 sc->sc_invalid = 1;
141
142 /* Copy the EEPROM data out */
143 sc->sc_eepromdata = malloc(ATH_EEPROM_DATA_SIZE * 2, M_TEMP, M_NOWAIT | M_ZERO);
144 if (sc->sc_eepromdata == NULL) {
145 device_printf(dev, "cannot allocate memory for eeprom data\n");
146 goto bad1;
147 }
148 device_printf(sc->sc_dev, "eeprom data @ %p\n", (void *) rman_get_bushandle(psc->sc_eeprom));
149 /* XXX why doesn't this work? -adrian */
150#if 0
151 bus_space_read_multi_1(
152 rman_get_bustag(psc->sc_eeprom),
153 rman_get_bushandle(psc->sc_eeprom),
154 0, (u_int8_t *) sc->sc_eepromdata, ATH_EEPROM_DATA_SIZE * 2);
155#endif
156 p = (void *) rman_get_bushandle(psc->sc_eeprom);
157 memcpy(sc->sc_eepromdata, p, ATH_EEPROM_DATA_SIZE * 2);
158
159 /*
160 * Arrange interrupt line.
161 */
162 rid = 0;
163 psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE|RF_ACTIVE);
164 if (psc->sc_irq == NULL) {
165 device_printf(dev, "could not map interrupt\n");
166 goto bad1;
167 }
168 if (bus_setup_intr(dev, psc->sc_irq,
169 INTR_TYPE_NET | INTR_MPSAFE,
170 NULL, ath_intr, sc, &psc->sc_ih)) {
171 device_printf(dev, "could not establish interrupt\n");
172 goto bad2;
173 }
174
175 /*
176 * Setup DMA descriptor area.
177 */
178 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
179 1, 0, /* alignment, bounds */
180 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
181 BUS_SPACE_MAXADDR, /* highaddr */
182 NULL, NULL, /* filter, filterarg */
183 0x3ffff, /* maxsize XXX */
184 ATH_MAX_SCATTER, /* nsegments */
185 0x3ffff, /* maxsegsize XXX */
186 BUS_DMA_ALLOCNOW, /* flags */
187 NULL, /* lockfunc */
188 NULL, /* lockarg */
189 &sc->sc_dmat)) {
190 device_printf(dev, "cannot allocate DMA tag\n");
191 goto bad3;
192 }
193
194 ATH_LOCK_INIT(sc);
195 ATH_PCU_LOCK_INIT(sc);
196 ATH_RX_LOCK_INIT(sc);
|
| 197 ATH_TXSTATUS_LOCK_INIT(sc);
|
197
198 error = ath_attach(AR9130_DEVID, sc);
199 if (error == 0) /* success */
200 return 0;
201
| 198
199 error = ath_attach(AR9130_DEVID, sc);
200 if (error == 0) /* success */
201 return 0;
202
|
| 203 ATH_TXSTATUS_LOCK_DESTROY(sc);
|
202 ATH_RX_LOCK_DESTROY(sc);
203 ATH_PCU_LOCK_DESTROY(sc);
204 ATH_LOCK_DESTROY(sc);
205 bus_dma_tag_destroy(sc->sc_dmat);
206bad3:
207 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
208bad2:
209 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
210bad1:
211 bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_eeprom);
212bad0:
213 bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_sr);
214bad:
215 /* XXX?! */
216 if (sc->sc_eepromdata)
217 free(sc->sc_eepromdata, M_TEMP);
218 return (error);
219}
220
221static int
222ath_ahb_detach(device_t dev)
223{
224 struct ath_ahb_softc *psc = device_get_softc(dev);
225 struct ath_softc *sc = &psc->sc_sc;
226
227 /* check if device was removed */
228 sc->sc_invalid = !bus_child_present(dev);
229
230 ath_detach(sc);
231
232 bus_generic_detach(dev);
233 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
234 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
235
236 bus_dma_tag_destroy(sc->sc_dmat);
237 bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_sr);
238 bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_eeprom);
239 /* XXX?! */
240 if (sc->sc_eepromdata)
241 free(sc->sc_eepromdata, M_TEMP);
242
| 204 ATH_RX_LOCK_DESTROY(sc);
205 ATH_PCU_LOCK_DESTROY(sc);
206 ATH_LOCK_DESTROY(sc);
207 bus_dma_tag_destroy(sc->sc_dmat);
208bad3:
209 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
210bad2:
211 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
212bad1:
213 bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_eeprom);
214bad0:
215 bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_sr);
216bad:
217 /* XXX?! */
218 if (sc->sc_eepromdata)
219 free(sc->sc_eepromdata, M_TEMP);
220 return (error);
221}
222
223static int
224ath_ahb_detach(device_t dev)
225{
226 struct ath_ahb_softc *psc = device_get_softc(dev);
227 struct ath_softc *sc = &psc->sc_sc;
228
229 /* check if device was removed */
230 sc->sc_invalid = !bus_child_present(dev);
231
232 ath_detach(sc);
233
234 bus_generic_detach(dev);
235 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
236 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
237
238 bus_dma_tag_destroy(sc->sc_dmat);
239 bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_sr);
240 bus_release_resource(dev, SYS_RES_MEMORY, 0, psc->sc_eeprom);
241 /* XXX?! */
242 if (sc->sc_eepromdata)
243 free(sc->sc_eepromdata, M_TEMP);
244
|
| 245 ATH_TXSTATUS_LOCK_DESTROY(sc);
|
243 ATH_RX_LOCK_DESTROY(sc);
244 ATH_PCU_LOCK_DESTROY(sc);
245 ATH_LOCK_DESTROY(sc);
246
247 return (0);
248}
249
250static int
251ath_ahb_shutdown(device_t dev)
252{
253 struct ath_ahb_softc *psc = device_get_softc(dev);
254
255 ath_shutdown(&psc->sc_sc);
256 return (0);
257}
258
259static int
260ath_ahb_suspend(device_t dev)
261{
262 struct ath_ahb_softc *psc = device_get_softc(dev);
263
264 ath_suspend(&psc->sc_sc);
265
266 return (0);
267}
268
269static int
270ath_ahb_resume(device_t dev)
271{
272 struct ath_ahb_softc *psc = device_get_softc(dev);
273
274 ath_resume(&psc->sc_sc);
275
276 return (0);
277}
278
279static device_method_t ath_ahb_methods[] = {
280 /* Device interface */
281 DEVMETHOD(device_probe, ath_ahb_probe),
282 DEVMETHOD(device_attach, ath_ahb_attach),
283 DEVMETHOD(device_detach, ath_ahb_detach),
284 DEVMETHOD(device_shutdown, ath_ahb_shutdown),
285 DEVMETHOD(device_suspend, ath_ahb_suspend),
286 DEVMETHOD(device_resume, ath_ahb_resume),
287
288 { 0,0 }
289};
290static driver_t ath_ahb_driver = {
291 "ath",
292 ath_ahb_methods,
293 sizeof (struct ath_ahb_softc)
294};
295static devclass_t ath_devclass;
296DRIVER_MODULE(ath, nexus, ath_ahb_driver, ath_devclass, 0, 0);
297MODULE_VERSION(ath, 1);
298MODULE_DEPEND(ath, wlan, 1, 1, 1); /* 802.11 media layer */
299MODULE_DEPEND(ath, if_ath, 1, 1, 1); /* if_ath driver */
| 246 ATH_RX_LOCK_DESTROY(sc);
247 ATH_PCU_LOCK_DESTROY(sc);
248 ATH_LOCK_DESTROY(sc);
249
250 return (0);
251}
252
253static int
254ath_ahb_shutdown(device_t dev)
255{
256 struct ath_ahb_softc *psc = device_get_softc(dev);
257
258 ath_shutdown(&psc->sc_sc);
259 return (0);
260}
261
262static int
263ath_ahb_suspend(device_t dev)
264{
265 struct ath_ahb_softc *psc = device_get_softc(dev);
266
267 ath_suspend(&psc->sc_sc);
268
269 return (0);
270}
271
272static int
273ath_ahb_resume(device_t dev)
274{
275 struct ath_ahb_softc *psc = device_get_softc(dev);
276
277 ath_resume(&psc->sc_sc);
278
279 return (0);
280}
281
282static device_method_t ath_ahb_methods[] = {
283 /* Device interface */
284 DEVMETHOD(device_probe, ath_ahb_probe),
285 DEVMETHOD(device_attach, ath_ahb_attach),
286 DEVMETHOD(device_detach, ath_ahb_detach),
287 DEVMETHOD(device_shutdown, ath_ahb_shutdown),
288 DEVMETHOD(device_suspend, ath_ahb_suspend),
289 DEVMETHOD(device_resume, ath_ahb_resume),
290
291 { 0,0 }
292};
293static driver_t ath_ahb_driver = {
294 "ath",
295 ath_ahb_methods,
296 sizeof (struct ath_ahb_softc)
297};
298static devclass_t ath_devclass;
299DRIVER_MODULE(ath, nexus, ath_ahb_driver, ath_devclass, 0, 0);
300MODULE_VERSION(ath, 1);
301MODULE_DEPEND(ath, wlan, 1, 1, 1); /* 802.11 media layer */
302MODULE_DEPEND(ath, if_ath, 1, 1, 1); /* if_ath driver */
|