1193240Ssam/*- 2193240Ssam * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting 3193240Ssam * Copyright (c) 2007-2009 Marvell Semiconductor, Inc. 4193240Ssam * All rights reserved. 5193240Ssam * 6193240Ssam * Redistribution and use in source and binary forms, with or without 7193240Ssam * modification, are permitted provided that the following conditions 8193240Ssam * are met: 9193240Ssam * 1. Redistributions of source code must retain the above copyright 10193240Ssam * notice, this list of conditions and the following disclaimer, 11193240Ssam * without modification. 12193240Ssam * 2. Redistributions in binary form must reproduce at minimum a disclaimer 13193240Ssam * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 14193240Ssam * redistribution must be conditioned upon including a substantially 15193240Ssam * similar Disclaimer requirement for further binary redistribution. 16193240Ssam * 17193240Ssam * NO WARRANTY 18193240Ssam * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19193240Ssam * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20193240Ssam * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 21193240Ssam * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 22193240Ssam * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 23193240Ssam * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24193240Ssam * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25193240Ssam * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 26193240Ssam * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27193240Ssam * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28193240Ssam * THE POSSIBILITY OF SUCH DAMAGES. 29193240Ssam */ 30193240Ssam 31193240Ssam#include <sys/cdefs.h> 32193240Ssam#ifdef __FreeBSD__ 33193240Ssam__FBSDID("$FreeBSD: releng/10.2/sys/dev/mwl/if_mwl_pci.c 278415 2015-02-08 22:27:17Z marius $"); 34193240Ssam#endif 35193240Ssam 36193240Ssam/* 37193240Ssam * PCI front-end for the Marvell Wireless LAN controller driver. 38193240Ssam */ 39193240Ssam 40193240Ssam#include <sys/param.h> 41193240Ssam#include <sys/systm.h> 42193240Ssam#include <sys/module.h> 43193240Ssam#include <sys/kernel.h> 44193240Ssam#include <sys/lock.h> 45193240Ssam#include <sys/mutex.h> 46193240Ssam#include <sys/errno.h> 47193240Ssam 48193240Ssam#include <machine/bus.h> 49193240Ssam#include <machine/resource.h> 50193240Ssam#include <sys/bus.h> 51193240Ssam#include <sys/rman.h> 52193240Ssam 53193240Ssam#include <sys/socket.h> 54193240Ssam 55193240Ssam#include <net/if.h> 56193240Ssam#include <net/if_media.h> 57193240Ssam#include <net/if_arp.h> 58193240Ssam 59193240Ssam#include <net80211/ieee80211_var.h> 60193240Ssam 61193240Ssam#include <dev/mwl/if_mwlvar.h> 62193240Ssam 63193240Ssam#include <dev/pci/pcivar.h> 64193240Ssam#include <dev/pci/pcireg.h> 65193240Ssam 66193240Ssam/* 67193240Ssam * PCI glue. 68193240Ssam */ 69193240Ssam 70193240Ssamstruct mwl_pci_softc { 71193240Ssam struct mwl_softc sc_sc; 72193240Ssam struct resource *sc_sr0; /* BAR0 memory resource */ 73193240Ssam struct resource *sc_sr1; /* BAR1 memory resource */ 74193240Ssam struct resource *sc_irq; /* irq resource */ 75193240Ssam void *sc_ih; /* interrupt handler */ 76193240Ssam}; 77193240Ssam 78193240Ssam#define BS_BAR0 0x10 79193240Ssam#define BS_BAR1 0x14 80193240Ssam 81193240Ssamstruct mwl_pci_ident { 82193240Ssam uint16_t vendor; 83193240Ssam uint16_t device; 84193240Ssam const char *name; 85193240Ssam}; 86193240Ssam 87193240Ssamstatic const struct mwl_pci_ident mwl_pci_ids[] = { 88193240Ssam { 0x11ab, 0x2a02, "Marvell 88W8363" }, 89193240Ssam { 0x11ab, 0x2a03, "Marvell 88W8363" }, 90193240Ssam { 0x11ab, 0x2a0a, "Marvell 88W8363" }, 91193240Ssam { 0x11ab, 0x2a0b, "Marvell 88W8363" }, 92193240Ssam { 0x11ab, 0x2a0c, "Marvell 88W8363" }, 93193240Ssam { 0x11ab, 0x2a21, "Marvell 88W8363" }, 94193240Ssam { 0x11ab, 0x2a24, "Marvell 88W8363" }, 95193240Ssam 96193240Ssam { 0, 0, NULL } 97193240Ssam}; 98193240Ssam 99193240Ssamconst static struct mwl_pci_ident * 100193240Ssammwl_pci_lookup(int vendor, int device) 101193240Ssam{ 102193240Ssam const struct mwl_pci_ident *ident; 103193240Ssam 104193240Ssam for (ident = mwl_pci_ids; ident->name != NULL; ident++) 105193240Ssam if (vendor == ident->vendor && device == ident->device) 106193240Ssam return ident; 107193240Ssam return NULL; 108193240Ssam} 109193240Ssam 110193240Ssamstatic int 111193240Ssammwl_pci_probe(device_t dev) 112193240Ssam{ 113193240Ssam const struct mwl_pci_ident *ident; 114193240Ssam 115193240Ssam ident = mwl_pci_lookup(pci_get_vendor(dev), pci_get_device(dev)); 116193240Ssam if (ident != NULL) { 117193240Ssam device_set_desc(dev, ident->name); 118193240Ssam return BUS_PROBE_DEFAULT; 119193240Ssam } 120193240Ssam return ENXIO; 121193240Ssam} 122193240Ssam 123193240Ssamstatic int 124193240Ssammwl_pci_attach(device_t dev) 125193240Ssam{ 126193240Ssam struct mwl_pci_softc *psc = device_get_softc(dev); 127193240Ssam struct mwl_softc *sc = &psc->sc_sc; 128193240Ssam int rid, error = ENXIO; 129193240Ssam 130193240Ssam sc->sc_dev = dev; 131193240Ssam 132254263Sscottl pci_enable_busmaster(dev); 133254263Sscottl 134193240Ssam /* 135193240Ssam * Setup memory-mapping of PCI registers. 136193240Ssam */ 137193240Ssam rid = BS_BAR0; 138193240Ssam psc->sc_sr0 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 139193240Ssam RF_ACTIVE); 140193240Ssam if (psc->sc_sr0 == NULL) { 141193240Ssam device_printf(dev, "cannot map BAR0 register space\n"); 142193240Ssam goto bad; 143193240Ssam } 144193240Ssam rid = BS_BAR1; 145193240Ssam psc->sc_sr1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 146193240Ssam RF_ACTIVE); 147193240Ssam if (psc->sc_sr1 == NULL) { 148193240Ssam device_printf(dev, "cannot map BAR1 register space\n"); 149193240Ssam goto bad1; 150193240Ssam } 151193240Ssam sc->sc_invalid = 1; 152193240Ssam 153193240Ssam /* 154193240Ssam * Arrange interrupt line. 155193240Ssam */ 156193240Ssam rid = 0; 157193240Ssam psc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 158193240Ssam RF_SHAREABLE|RF_ACTIVE); 159193240Ssam if (psc->sc_irq == NULL) { 160193240Ssam device_printf(dev, "could not map interrupt\n"); 161193240Ssam goto bad2; 162193240Ssam } 163193240Ssam if (bus_setup_intr(dev, psc->sc_irq, 164193240Ssam INTR_TYPE_NET | INTR_MPSAFE, 165193240Ssam NULL, mwl_intr, sc, &psc->sc_ih)) { 166193240Ssam device_printf(dev, "could not establish interrupt\n"); 167193240Ssam goto bad3; 168193240Ssam } 169193240Ssam 170193240Ssam /* 171193240Ssam * Setup DMA descriptor area. 172193240Ssam */ 173193240Ssam if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 174193240Ssam 1, 0, /* alignment, bounds */ 175193240Ssam BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 176193240Ssam BUS_SPACE_MAXADDR, /* highaddr */ 177193240Ssam NULL, NULL, /* filter, filterarg */ 178278415Smarius BUS_SPACE_MAXSIZE, /* maxsize */ 179193240Ssam MWL_TXDESC, /* nsegments */ 180278415Smarius BUS_SPACE_MAXSIZE, /* maxsegsize */ 181198366Srpaulo 0, /* flags */ 182193240Ssam NULL, /* lockfunc */ 183193240Ssam NULL, /* lockarg */ 184193240Ssam &sc->sc_dmat)) { 185193240Ssam device_printf(dev, "cannot allocate DMA tag\n"); 186193240Ssam goto bad4; 187193240Ssam } 188193240Ssam 189193240Ssam /* 190193240Ssam * Finish off the attach. 191193240Ssam */ 192193240Ssam MWL_LOCK_INIT(sc); 193193240Ssam sc->sc_io0t = rman_get_bustag(psc->sc_sr0); 194193240Ssam sc->sc_io0h = rman_get_bushandle(psc->sc_sr0); 195193240Ssam sc->sc_io1t = rman_get_bustag(psc->sc_sr1); 196193240Ssam sc->sc_io1h = rman_get_bushandle(psc->sc_sr1); 197193240Ssam if (mwl_attach(pci_get_device(dev), sc) == 0) 198193240Ssam return (0); 199193240Ssam 200193240Ssam MWL_LOCK_DESTROY(sc); 201193240Ssam bus_dma_tag_destroy(sc->sc_dmat); 202193240Ssambad4: 203193240Ssam bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih); 204193240Ssambad3: 205193240Ssam bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq); 206193240Ssambad2: 207193240Ssam bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1); 208193240Ssambad1: 209193240Ssam bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0); 210193240Ssambad: 211193240Ssam return (error); 212193240Ssam} 213193240Ssam 214193240Ssamstatic int 215193240Ssammwl_pci_detach(device_t dev) 216193240Ssam{ 217193240Ssam struct mwl_pci_softc *psc = device_get_softc(dev); 218193240Ssam struct mwl_softc *sc = &psc->sc_sc; 219193240Ssam 220193240Ssam /* check if device was removed */ 221193240Ssam sc->sc_invalid = !bus_child_present(dev); 222193240Ssam 223193240Ssam mwl_detach(sc); 224193240Ssam 225193240Ssam bus_generic_detach(dev); 226193240Ssam bus_teardown_intr(dev, psc->sc_irq, psc->sc_ih); 227193240Ssam bus_release_resource(dev, SYS_RES_IRQ, 0, psc->sc_irq); 228193240Ssam 229193240Ssam bus_dma_tag_destroy(sc->sc_dmat); 230193240Ssam bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR1, psc->sc_sr1); 231193240Ssam bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR0, psc->sc_sr0); 232193240Ssam 233193240Ssam MWL_LOCK_DESTROY(sc); 234193240Ssam 235193240Ssam return (0); 236193240Ssam} 237193240Ssam 238193240Ssamstatic int 239193240Ssammwl_pci_shutdown(device_t dev) 240193240Ssam{ 241193240Ssam struct mwl_pci_softc *psc = device_get_softc(dev); 242193240Ssam 243193240Ssam mwl_shutdown(&psc->sc_sc); 244193240Ssam return (0); 245193240Ssam} 246193240Ssam 247193240Ssamstatic int 248193240Ssammwl_pci_suspend(device_t dev) 249193240Ssam{ 250193240Ssam struct mwl_pci_softc *psc = device_get_softc(dev); 251193240Ssam 252193240Ssam mwl_suspend(&psc->sc_sc); 253193240Ssam 254193240Ssam return (0); 255193240Ssam} 256193240Ssam 257193240Ssamstatic int 258193240Ssammwl_pci_resume(device_t dev) 259193240Ssam{ 260193240Ssam struct mwl_pci_softc *psc = device_get_softc(dev); 261193240Ssam 262254263Sscottl pci_enable_busmaster(dev); 263193240Ssam 264193240Ssam mwl_resume(&psc->sc_sc); 265193240Ssam 266193240Ssam return (0); 267193240Ssam} 268193240Ssam 269193240Ssamstatic device_method_t mwl_pci_methods[] = { 270193240Ssam /* Device interface */ 271193240Ssam DEVMETHOD(device_probe, mwl_pci_probe), 272193240Ssam DEVMETHOD(device_attach, mwl_pci_attach), 273193240Ssam DEVMETHOD(device_detach, mwl_pci_detach), 274193240Ssam DEVMETHOD(device_shutdown, mwl_pci_shutdown), 275193240Ssam DEVMETHOD(device_suspend, mwl_pci_suspend), 276193240Ssam DEVMETHOD(device_resume, mwl_pci_resume), 277193240Ssam 278193240Ssam { 0,0 } 279193240Ssam}; 280193240Ssamstatic driver_t mwl_pci_driver = { 281193240Ssam "mwl", 282193240Ssam mwl_pci_methods, 283193240Ssam sizeof (struct mwl_pci_softc) 284193240Ssam}; 285193240Ssamstatic devclass_t mwl_devclass; 286193240SsamDRIVER_MODULE(mwl, pci, mwl_pci_driver, mwl_devclass, 0, 0); 287193240SsamMODULE_VERSION(mwl, 1); 288193240SsamMODULE_DEPEND(mwl, wlan, 1, 1, 1); /* 802.11 media layer */ 289212410SbschmidtMODULE_DEPEND(mwl, firmware, 1, 1, 1); 290