2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
5 * Copyright (c) 2007-2009 Marvell Semiconductor, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer,
13 * without modification.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
16 * redistribution must be conditioned upon including a substantially
17 * similar Disclaimer requirement for further binary redistribution.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
23 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
24 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
25 * OR 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
28 * IN 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 DAMAGES.
33 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
39 * PCI front-end for the Marvell Wireless LAN controller driver.
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/module.h>
45 #include <sys/kernel.h>
47 #include <sys/malloc.h>
49 #include <sys/mutex.h>
50 #include <sys/errno.h>
52 #include <machine/bus.h>
53 #include <machine/resource.h>
57 #include <sys/socket.h>
59 #include <net/ethernet.h>
61 #include <net/if_media.h>
62 #include <net/if_arp.h>
63 #include <net/route.h>
65 #include <net80211/ieee80211_var.h>
67 #include <dev/mwl/if_mwlvar.h>
69 #include <dev/pci/pcivar.h>
70 #include <dev/pci/pcireg.h>
76 struct mwl_pci_softc {
77 struct mwl_softc sc_sc;
78 struct resource *sc_sr0; /* BAR0 memory resource */
79 struct resource *sc_sr1; /* BAR1 memory resource */
80 struct resource *sc_irq; /* irq resource */
81 void *sc_ih; /* interrupt handler */
87 struct mwl_pci_ident {
93 static const struct mwl_pci_ident mwl_pci_ids[] = {
94 { 0x11ab, 0x2a02, "Marvell 88W8363" },
95 { 0x11ab, 0x2a03, "Marvell 88W8363" },
96 { 0x11ab, 0x2a0a, "Marvell 88W8363" },
97 { 0x11ab, 0x2a0b, "Marvell 88W8363" },
98 { 0x11ab, 0x2a0c, "Marvell 88W8363" },
99 { 0x11ab, 0x2a21, "Marvell 88W8363" },
100 { 0x11ab, 0x2a24, "Marvell 88W8363" },
105 const static struct mwl_pci_ident *
106 mwl_pci_lookup(int vendor, int device)
108 const struct mwl_pci_ident *ident;
110 for (ident = mwl_pci_ids; ident->name != NULL; ident++)
111 if (vendor == ident->vendor && device == ident->device)
117 mwl_pci_probe(device_t dev)
119 const struct mwl_pci_ident *ident;
121 ident = mwl_pci_lookup(pci_get_vendor(dev), pci_get_device(dev));
123 device_set_desc(dev, ident->name);
124 return BUS_PROBE_DEFAULT;
130 mwl_pci_attach(device_t dev)
132 struct mwl_pci_softc *psc = device_get_softc(dev);
133 struct mwl_softc *sc = &psc->sc_sc;
134 int rid, error = ENXIO;
138 pci_enable_busmaster(dev);
141 * Setup memory-mapping of PCI registers.
144 psc->sc_sr0 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
146 if (psc->sc_sr0 == NULL) {
147 device_printf(dev, "cannot map BAR0 register space\n");
151 psc->sc_sr1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
153 if (psc->sc_sr1 == NULL) {
154 device_printf(dev, "cannot map BAR1 register space\n");
160 * Arrange interrupt line.
163 psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
164 RF_SHAREABLE|RF_ACTIVE);
165 if (psc->sc_irq == NULL) {
166 device_printf(dev, "could not map interrupt\n");
169 if (bus_setup_intr(dev, psc->sc_irq,
170 INTR_TYPE_NET | INTR_MPSAFE,
171 NULL, mwl_intr, sc, &psc->sc_ih)) {
172 device_printf(dev, "could not establish interrupt\n");
177 * Setup DMA descriptor area.
179 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
180 1, 0, /* alignment, bounds */
181 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
182 BUS_SPACE_MAXADDR, /* highaddr */
183 NULL, NULL, /* filter, filterarg */
184 BUS_SPACE_MAXSIZE, /* maxsize */
185 MWL_TXDESC, /* nsegments */
186 BUS_SPACE_MAXSIZE, /* maxsegsize */
191 device_printf(dev, "cannot allocate DMA tag\n");
196 * Finish off the attach.
199 sc->sc_io0t = rman_get_bustag(psc->sc_sr0);
200 sc->sc_io0h = rman_get_bushandle(psc->sc_sr0);
201 sc->sc_io1t = rman_get_bustag(psc->sc_sr1);
202 sc->sc_io1h = rman_get_bushandle(psc->sc_sr1);
203 if (mwl_attach(pci_get_device(dev), sc) == 0)
206 MWL_LOCK_DESTROY(sc);
207 bus_dma_tag_destroy(sc->sc_dmat);
209 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
211 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
213 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1);
215 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0);
221 mwl_pci_detach(device_t dev)
223 struct mwl_pci_softc *psc = device_get_softc(dev);
224 struct mwl_softc *sc = &psc->sc_sc;
226 /* check if device was removed */
227 sc->sc_invalid = !bus_child_present(dev);
231 bus_generic_detach(dev);
232 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
233 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
235 bus_dma_tag_destroy(sc->sc_dmat);
236 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1);
237 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0);
239 MWL_LOCK_DESTROY(sc);
245 mwl_pci_shutdown(device_t dev)
247 struct mwl_pci_softc *psc = device_get_softc(dev);
249 mwl_shutdown(&psc->sc_sc);
254 mwl_pci_suspend(device_t dev)
256 struct mwl_pci_softc *psc = device_get_softc(dev);
258 mwl_suspend(&psc->sc_sc);
264 mwl_pci_resume(device_t dev)
266 struct mwl_pci_softc *psc = device_get_softc(dev);
268 pci_enable_busmaster(dev);
270 mwl_resume(&psc->sc_sc);
275 static device_method_t mwl_pci_methods[] = {
276 /* Device interface */
277 DEVMETHOD(device_probe, mwl_pci_probe),
278 DEVMETHOD(device_attach, mwl_pci_attach),
279 DEVMETHOD(device_detach, mwl_pci_detach),
280 DEVMETHOD(device_shutdown, mwl_pci_shutdown),
281 DEVMETHOD(device_suspend, mwl_pci_suspend),
282 DEVMETHOD(device_resume, mwl_pci_resume),
286 static driver_t mwl_pci_driver = {
289 sizeof (struct mwl_pci_softc)
291 static devclass_t mwl_devclass;
292 DRIVER_MODULE(mwl, pci, mwl_pci_driver, mwl_devclass, 0, 0);
293 MODULE_VERSION(mwl, 1);
294 MODULE_DEPEND(mwl, wlan, 1, 1, 1); /* 802.11 media layer */
295 MODULE_DEPEND(mwl, firmware, 1, 1, 1);