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" },
104 const static struct mwl_pci_ident *
105 mwl_pci_lookup(int vendor, int device)
107 const struct mwl_pci_ident *ident;
109 for (ident = mwl_pci_ids; ident->name != NULL; ident++)
110 if (vendor == ident->vendor && device == ident->device)
116 mwl_pci_probe(device_t dev)
118 const struct mwl_pci_ident *ident;
120 ident = mwl_pci_lookup(pci_get_vendor(dev), pci_get_device(dev));
122 device_set_desc(dev, ident->name);
123 return BUS_PROBE_DEFAULT;
129 mwl_pci_attach(device_t dev)
131 struct mwl_pci_softc *psc = device_get_softc(dev);
132 struct mwl_softc *sc = &psc->sc_sc;
133 int rid, error = ENXIO;
137 pci_enable_busmaster(dev);
140 * Setup memory-mapping of PCI registers.
143 psc->sc_sr0 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
145 if (psc->sc_sr0 == NULL) {
146 device_printf(dev, "cannot map BAR0 register space\n");
150 psc->sc_sr1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
152 if (psc->sc_sr1 == NULL) {
153 device_printf(dev, "cannot map BAR1 register space\n");
159 * Arrange interrupt line.
162 psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
163 RF_SHAREABLE|RF_ACTIVE);
164 if (psc->sc_irq == NULL) {
165 device_printf(dev, "could not map interrupt\n");
168 if (bus_setup_intr(dev, psc->sc_irq,
169 INTR_TYPE_NET | INTR_MPSAFE,
170 NULL, mwl_intr, sc, &psc->sc_ih)) {
171 device_printf(dev, "could not establish interrupt\n");
176 * Setup DMA descriptor area.
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 BUS_SPACE_MAXSIZE, /* maxsize */
184 MWL_TXDESC, /* nsegments */
185 BUS_SPACE_MAXSIZE, /* maxsegsize */
190 device_printf(dev, "cannot allocate DMA tag\n");
195 * Finish off the attach.
198 sc->sc_io0t = rman_get_bustag(psc->sc_sr0);
199 sc->sc_io0h = rman_get_bushandle(psc->sc_sr0);
200 sc->sc_io1t = rman_get_bustag(psc->sc_sr1);
201 sc->sc_io1h = rman_get_bushandle(psc->sc_sr1);
202 if (mwl_attach(pci_get_device(dev), sc) == 0)
205 MWL_LOCK_DESTROY(sc);
206 bus_dma_tag_destroy(sc->sc_dmat);
208 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
210 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
212 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1);
214 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0);
220 mwl_pci_detach(device_t dev)
222 struct mwl_pci_softc *psc = device_get_softc(dev);
223 struct mwl_softc *sc = &psc->sc_sc;
225 /* check if device was removed */
226 sc->sc_invalid = !bus_child_present(dev);
230 bus_generic_detach(dev);
231 bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih);
232 bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq);
234 bus_dma_tag_destroy(sc->sc_dmat);
235 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1);
236 bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0);
238 MWL_LOCK_DESTROY(sc);
244 mwl_pci_shutdown(device_t dev)
246 struct mwl_pci_softc *psc = device_get_softc(dev);
248 mwl_shutdown(&psc->sc_sc);
253 mwl_pci_suspend(device_t dev)
255 struct mwl_pci_softc *psc = device_get_softc(dev);
257 mwl_suspend(&psc->sc_sc);
263 mwl_pci_resume(device_t dev)
265 struct mwl_pci_softc *psc = device_get_softc(dev);
267 pci_enable_busmaster(dev);
269 mwl_resume(&psc->sc_sc);
274 static device_method_t mwl_pci_methods[] = {
275 /* Device interface */
276 DEVMETHOD(device_probe, mwl_pci_probe),
277 DEVMETHOD(device_attach, mwl_pci_attach),
278 DEVMETHOD(device_detach, mwl_pci_detach),
279 DEVMETHOD(device_shutdown, mwl_pci_shutdown),
280 DEVMETHOD(device_suspend, mwl_pci_suspend),
281 DEVMETHOD(device_resume, mwl_pci_resume),
284 static driver_t mwl_pci_driver = {
287 sizeof (struct mwl_pci_softc)
289 static devclass_t mwl_devclass;
290 DRIVER_MODULE(mwl, pci, mwl_pci_driver, mwl_devclass, 0, 0);
291 MODULE_VERSION(mwl, 1);
292 MODULE_DEPEND(mwl, wlan, 1, 1, 1); /* 802.11 media layer */
293 MODULE_DEPEND(mwl, firmware, 1, 1, 1);