1/*-
2 * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
3 * Copyright (c) 2007-2009 Marvell Semiconductor, Inc.
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#ifdef __FreeBSD__
| 1/*-
2 * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
3 * Copyright (c) 2007-2009 Marvell Semiconductor, Inc.
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#ifdef __FreeBSD__
|
33__FBSDID("$FreeBSD: head/sys/dev/mwl/if_mwl_pci.c 212410 2010-09-10 08:11:48Z bschmidt $");
| 33__FBSDID("$FreeBSD: head/sys/dev/mwl/if_mwl_pci.c 254263 2013-08-12 23:30:01Z scottl $");
|
34#endif
35
36/*
37 * PCI front-end for the Marvell Wireless LAN controller driver.
38 */
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/mwl/if_mwlvar.h>
62
63#include <dev/pci/pcivar.h>
64#include <dev/pci/pcireg.h>
65
66/*
67 * PCI glue.
68 */
69
70struct mwl_pci_softc {
71 struct mwl_softc sc_sc;
72 struct resource *sc_sr0; /* BAR0 memory resource */
73 struct resource *sc_sr1; /* BAR1 memory resource */
74 struct resource *sc_irq; /* irq resource */
75 void *sc_ih; /* interrupt handler */
76};
77
78#define BS_BAR0 0x10
79#define BS_BAR1 0x14
80
81struct mwl_pci_ident {
82 uint16_t vendor;
83 uint16_t device;
84 const char *name;
85};
86
87static const struct mwl_pci_ident mwl_pci_ids[] = {
88 { 0x11ab, 0x2a02, "Marvell 88W8363" },
89 { 0x11ab, 0x2a03, "Marvell 88W8363" },
90 { 0x11ab, 0x2a0a, "Marvell 88W8363" },
91 { 0x11ab, 0x2a0b, "Marvell 88W8363" },
92 { 0x11ab, 0x2a0c, "Marvell 88W8363" },
93 { 0x11ab, 0x2a21, "Marvell 88W8363" },
94 { 0x11ab, 0x2a24, "Marvell 88W8363" },
95
96 { 0, 0, NULL }
97};
98
99const static struct mwl_pci_ident *
100mwl_pci_lookup(int vendor, int device)
101{
102 const struct mwl_pci_ident *ident;
103
104 for (ident = mwl_pci_ids; ident->name != NULL; ident++)
105 if (vendor == ident->vendor && device == ident->device)
106 return ident;
107 return NULL;
108}
109
110static int
111mwl_pci_probe(device_t dev)
112{
113 const struct mwl_pci_ident *ident;
114
115 ident = mwl_pci_lookup(pci_get_vendor(dev), pci_get_device(dev));
116 if (ident != NULL) {
117 device_set_desc(dev, ident->name);
118 return BUS_PROBE_DEFAULT;
119 }
120 return ENXIO;
121}
122
| 34#endif
35
36/*
37 * PCI front-end for the Marvell Wireless LAN controller driver.
38 */
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/mwl/if_mwlvar.h>
62
63#include <dev/pci/pcivar.h>
64#include <dev/pci/pcireg.h>
65
66/*
67 * PCI glue.
68 */
69
70struct mwl_pci_softc {
71 struct mwl_softc sc_sc;
72 struct resource *sc_sr0; /* BAR0 memory resource */
73 struct resource *sc_sr1; /* BAR1 memory resource */
74 struct resource *sc_irq; /* irq resource */
75 void *sc_ih; /* interrupt handler */
76};
77
78#define BS_BAR0 0x10
79#define BS_BAR1 0x14
80
81struct mwl_pci_ident {
82 uint16_t vendor;
83 uint16_t device;
84 const char *name;
85};
86
87static const struct mwl_pci_ident mwl_pci_ids[] = {
88 { 0x11ab, 0x2a02, "Marvell 88W8363" },
89 { 0x11ab, 0x2a03, "Marvell 88W8363" },
90 { 0x11ab, 0x2a0a, "Marvell 88W8363" },
91 { 0x11ab, 0x2a0b, "Marvell 88W8363" },
92 { 0x11ab, 0x2a0c, "Marvell 88W8363" },
93 { 0x11ab, 0x2a21, "Marvell 88W8363" },
94 { 0x11ab, 0x2a24, "Marvell 88W8363" },
95
96 { 0, 0, NULL }
97};
98
99const static struct mwl_pci_ident *
100mwl_pci_lookup(int vendor, int device)
101{
102 const struct mwl_pci_ident *ident;
103
104 for (ident = mwl_pci_ids; ident->name != NULL; ident++)
105 if (vendor == ident->vendor && device == ident->device)
106 return ident;
107 return NULL;
108}
109
110static int
111mwl_pci_probe(device_t dev)
112{
113 const struct mwl_pci_ident *ident;
114
115 ident = mwl_pci_lookup(pci_get_vendor(dev), pci_get_device(dev));
116 if (ident != NULL) {
117 device_set_desc(dev, ident->name);
118 return BUS_PROBE_DEFAULT;
119 }
120 return ENXIO;
121}
122
|
123static u_int32_t
124mwl_pci_setup(device_t dev)
125{
126 u_int32_t cmd;
127
128 /*
129 * Enable memory mapping and bus mastering.
130 */
131 cmd = pci_read_config(dev, PCIR_COMMAND, 4);
132 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN;
133 pci_write_config(dev, PCIR_COMMAND, cmd, 4);
134 cmd = pci_read_config(dev, PCIR_COMMAND, 4);
135 if ((cmd & PCIM_CMD_MEMEN) == 0) {
136 device_printf(dev, "failed to enable memory mapping\n");
137 return 0;
138 }
139 if ((cmd & PCIM_CMD_BUSMASTEREN) == 0) {
140 device_printf(dev, "failed to enable bus mastering\n");
141 return 0;
142 }
143 return 1;
144}
145
| |
146static int
147mwl_pci_attach(device_t dev)
148{
149 struct mwl_pci_softc *psc = device_get_softc(dev);
150 struct mwl_softc *sc = &psc->sc_sc;
151 int rid, error = ENXIO;
152
153 sc->sc_dev = dev;
154
| 123static int
124mwl_pci_attach(device_t dev)
125{
126 struct mwl_pci_softc *psc = device_get_softc(dev);
127 struct mwl_softc *sc = &psc->sc_sc;
128 int rid, error = ENXIO;
129
130 sc->sc_dev = dev;
131
|
155 /*
156 * Enable memory mapping and bus mastering.
157 */
158 if (!mwl_pci_setup(dev))
159 return 0;
| 132 pci_enable_busmaster(dev);
133
|
160 /*
161 * Setup memory-mapping of PCI registers.
162 */
163 rid = BS_BAR0;
164 psc->sc_sr0 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
165 RF_ACTIVE);
166 if (psc->sc_sr0 == NULL) {
167 device_printf(dev, "cannot map BAR0 register space\n");
168 goto bad;
169 }
170 rid = BS_BAR1;
171 psc->sc_sr1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
172 RF_ACTIVE);
173 if (psc->sc_sr1 == NULL) {
174 device_printf(dev, "cannot map BAR1 register space\n");
175 goto bad1;
176 }
177 sc->sc_invalid = 1;
178
179 /*
180 * Arrange interrupt line.
181 */
182 rid = 0;
183 psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
184 RF_SHAREABLE|RF_ACTIVE);
185 if (psc->sc_irq == NULL) {
186 device_printf(dev, "could not map interrupt\n");
187 goto bad2;
188 }
189 if (bus_setup_intr(dev, psc->sc_irq,
190 INTR_TYPE_NET | INTR_MPSAFE,
191 NULL, mwl_intr, sc, &psc->sc_ih)) {
192 device_printf(dev, "could not establish interrupt\n");
193 goto bad3;
194 }
195
196 /*
197 * Setup DMA descriptor area.
198 */
199 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
200 1, 0, /* alignment, bounds */
201 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
202 BUS_SPACE_MAXADDR, /* highaddr */
203 NULL, NULL, /* filter, filterarg */
204 BUS_SPACE_MAXADDR, /* maxsize */
205 MWL_TXDESC, /* nsegments */
206 BUS_SPACE_MAXADDR, /* maxsegsize */
207 0, /* flags */
208 NULL, /* lockfunc */
209 NULL, /* lockarg */
210 &sc->sc_dmat)) {
211 device_printf(dev, "cannot allocate DMA tag\n");
212 goto bad4;
213 }
214
215 /*
216 * Finish off the attach.
217 */
218 MWL_LOCK_INIT(sc);
219 sc->sc_io0t = rman_get_bustag(psc->sc_sr0);
220 sc->sc_io0h = rman_get_bushandle(psc->sc_sr0);
221 sc->sc_io1t = rman_get_bustag(psc->sc_sr1);
222 sc->sc_io1h = rman_get_bushandle(psc->sc_sr1);
223 if (mwl_attach(pci_get_device(dev), sc) == 0)
224 return (0);
225
226 MWL_LOCK_DESTROY(sc);
227 bus_dma_tag_destroy(sc->sc_dmat);
228bad4:
229 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
230bad3:
231 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
232bad2:
233 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1);
234bad1:
235 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0);
236bad:
237 return (error);
238}
239
240static int
241mwl_pci_detach(device_t dev)
242{
243 struct mwl_pci_softc *psc = device_get_softc(dev);
244 struct mwl_softc *sc = &psc->sc_sc;
245
246 /* check if device was removed */
247 sc->sc_invalid = !bus_child_present(dev);
248
249 mwl_detach(sc);
250
251 bus_generic_detach(dev);
252 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
253 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
254
255 bus_dma_tag_destroy(sc->sc_dmat);
256 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1);
257 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0);
258
259 MWL_LOCK_DESTROY(sc);
260
261 return (0);
262}
263
264static int
265mwl_pci_shutdown(device_t dev)
266{
267 struct mwl_pci_softc *psc = device_get_softc(dev);
268
269 mwl_shutdown(&psc->sc_sc);
270 return (0);
271}
272
273static int
274mwl_pci_suspend(device_t dev)
275{
276 struct mwl_pci_softc *psc = device_get_softc(dev);
277
278 mwl_suspend(&psc->sc_sc);
279
280 return (0);
281}
282
283static int
284mwl_pci_resume(device_t dev)
285{
286 struct mwl_pci_softc *psc = device_get_softc(dev);
287
| 134 /*
135 * Setup memory-mapping of PCI registers.
136 */
137 rid = BS_BAR0;
138 psc->sc_sr0 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
139 RF_ACTIVE);
140 if (psc->sc_sr0 == NULL) {
141 device_printf(dev, "cannot map BAR0 register space\n");
142 goto bad;
143 }
144 rid = BS_BAR1;
145 psc->sc_sr1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
146 RF_ACTIVE);
147 if (psc->sc_sr1 == NULL) {
148 device_printf(dev, "cannot map BAR1 register space\n");
149 goto bad1;
150 }
151 sc->sc_invalid = 1;
152
153 /*
154 * Arrange interrupt line.
155 */
156 rid = 0;
157 psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
158 RF_SHAREABLE|RF_ACTIVE);
159 if (psc->sc_irq == NULL) {
160 device_printf(dev, "could not map interrupt\n");
161 goto bad2;
162 }
163 if (bus_setup_intr(dev, psc->sc_irq,
164 INTR_TYPE_NET | INTR_MPSAFE,
165 NULL, mwl_intr, sc, &psc->sc_ih)) {
166 device_printf(dev, "could not establish interrupt\n");
167 goto bad3;
168 }
169
170 /*
171 * Setup DMA descriptor area.
172 */
173 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
174 1, 0, /* alignment, bounds */
175 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
176 BUS_SPACE_MAXADDR, /* highaddr */
177 NULL, NULL, /* filter, filterarg */
178 BUS_SPACE_MAXADDR, /* maxsize */
179 MWL_TXDESC, /* nsegments */
180 BUS_SPACE_MAXADDR, /* maxsegsize */
181 0, /* flags */
182 NULL, /* lockfunc */
183 NULL, /* lockarg */
184 &sc->sc_dmat)) {
185 device_printf(dev, "cannot allocate DMA tag\n");
186 goto bad4;
187 }
188
189 /*
190 * Finish off the attach.
191 */
192 MWL_LOCK_INIT(sc);
193 sc->sc_io0t = rman_get_bustag(psc->sc_sr0);
194 sc->sc_io0h = rman_get_bushandle(psc->sc_sr0);
195 sc->sc_io1t = rman_get_bustag(psc->sc_sr1);
196 sc->sc_io1h = rman_get_bushandle(psc->sc_sr1);
197 if (mwl_attach(pci_get_device(dev), sc) == 0)
198 return (0);
199
200 MWL_LOCK_DESTROY(sc);
201 bus_dma_tag_destroy(sc->sc_dmat);
202bad4:
203 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
204bad3:
205 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
206bad2:
207 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1);
208bad1:
209 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0);
210bad:
211 return (error);
212}
213
214static int
215mwl_pci_detach(device_t dev)
216{
217 struct mwl_pci_softc *psc = device_get_softc(dev);
218 struct mwl_softc *sc = &psc->sc_sc;
219
220 /* check if device was removed */
221 sc->sc_invalid = !bus_child_present(dev);
222
223 mwl_detach(sc);
224
225 bus_generic_detach(dev);
226 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
227 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
228
229 bus_dma_tag_destroy(sc->sc_dmat);
230 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1);
231 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0);
232
233 MWL_LOCK_DESTROY(sc);
234
235 return (0);
236}
237
238static int
239mwl_pci_shutdown(device_t dev)
240{
241 struct mwl_pci_softc *psc = device_get_softc(dev);
242
243 mwl_shutdown(&psc->sc_sc);
244 return (0);
245}
246
247static int
248mwl_pci_suspend(device_t dev)
249{
250 struct mwl_pci_softc *psc = device_get_softc(dev);
251
252 mwl_suspend(&psc->sc_sc);
253
254 return (0);
255}
256
257static int
258mwl_pci_resume(device_t dev)
259{
260 struct mwl_pci_softc *psc = device_get_softc(dev);
261
|
288 if (!mwl_pci_setup(dev))
289 return ENXIO;
| 262 pci_enable_busmaster(dev);
|
290
291 mwl_resume(&psc->sc_sc);
292
293 return (0);
294}
295
296static device_method_t mwl_pci_methods[] = {
297 /* Device interface */
298 DEVMETHOD(device_probe, mwl_pci_probe),
299 DEVMETHOD(device_attach, mwl_pci_attach),
300 DEVMETHOD(device_detach, mwl_pci_detach),
301 DEVMETHOD(device_shutdown, mwl_pci_shutdown),
302 DEVMETHOD(device_suspend, mwl_pci_suspend),
303 DEVMETHOD(device_resume, mwl_pci_resume),
304
305 { 0,0 }
306};
307static driver_t mwl_pci_driver = {
308 "mwl",
309 mwl_pci_methods,
310 sizeof (struct mwl_pci_softc)
311};
312static devclass_t mwl_devclass;
313DRIVER_MODULE(mwl, pci, mwl_pci_driver, mwl_devclass, 0, 0);
314MODULE_VERSION(mwl, 1);
315MODULE_DEPEND(mwl, wlan, 1, 1, 1); /* 802.11 media layer */
316MODULE_DEPEND(mwl, firmware, 1, 1, 1);
| 263
264 mwl_resume(&psc->sc_sc);
265
266 return (0);
267}
268
269static device_method_t mwl_pci_methods[] = {
270 /* Device interface */
271 DEVMETHOD(device_probe, mwl_pci_probe),
272 DEVMETHOD(device_attach, mwl_pci_attach),
273 DEVMETHOD(device_detach, mwl_pci_detach),
274 DEVMETHOD(device_shutdown, mwl_pci_shutdown),
275 DEVMETHOD(device_suspend, mwl_pci_suspend),
276 DEVMETHOD(device_resume, mwl_pci_resume),
277
278 { 0,0 }
279};
280static driver_t mwl_pci_driver = {
281 "mwl",
282 mwl_pci_methods,
283 sizeof (struct mwl_pci_softc)
284};
285static devclass_t mwl_devclass;
286DRIVER_MODULE(mwl, pci, mwl_pci_driver, mwl_devclass, 0, 0);
287MODULE_VERSION(mwl, 1);
288MODULE_DEPEND(mwl, wlan, 1, 1, 1); /* 802.11 media layer */
289MODULE_DEPEND(mwl, firmware, 1, 1, 1);
|