1 /* $OpenBSD: if_malo_pci.c,v 1.8 2013/12/06 21:03:04 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Marcus Glocker <mglocker@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /* 20 * PCI front-end for the Marvell Libertas 21 */ 22 23 #include "bpfilter.h" 24 25 #include <sys/param.h> 26 #include <sys/sockio.h> 27 #include <sys/mbuf.h> 28 #include <sys/kernel.h> 29 #include <sys/socket.h> 30 #include <sys/systm.h> 31 #include <sys/malloc.h> 32 #include <sys/timeout.h> 33 #include <sys/device.h> 34 35 #include <machine/bus.h> 36 #include <machine/intr.h> 37 38 #include <net/if.h> 39 #include <net/if_dl.h> 40 #include <net/if_media.h> 41 42 #include <netinet/in.h> 43 #include <netinet/if_ether.h> 44 45 #include <net80211/ieee80211_var.h> 46 #include <net80211/ieee80211_radiotap.h> 47 48 #include <dev/ic/malo.h> 49 50 #include <dev/pci/pcireg.h> 51 #include <dev/pci/pcivar.h> 52 #include <dev/pci/pcidevs.h> 53 54 /* Base Address Register */ 55 #define MALO_PCI_BAR1 0x10 56 #define MALO_PCI_BAR2 0x14 57 58 int malo_pci_match(struct device *, void *, void *); 59 void malo_pci_attach(struct device *, struct device *, void *); 60 int malo_pci_detach(struct device *, int); 61 int malo_pci_activate(struct device *, int); 62 void malo_pci_wakeup(struct malo_softc *); 63 64 struct malo_pci_softc { 65 struct malo_softc sc_malo; 66 67 pci_chipset_tag_t sc_pc; 68 void *sc_ih; 69 70 bus_size_t sc_mapsize1; 71 bus_size_t sc_mapsize2; 72 }; 73 74 struct cfattach malo_pci_ca = { 75 sizeof(struct malo_pci_softc), malo_pci_match, malo_pci_attach, 76 malo_pci_detach, malo_pci_activate 77 }; 78 79 const struct pci_matchid malo_pci_devices[] = { 80 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8310 }, 81 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_1 }, 82 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_2 } 83 }; 84 85 int 86 malo_pci_match(struct device *parent, void *match, void *aux) 87 { 88 return (pci_matchbyid((struct pci_attach_args *)aux, malo_pci_devices, 89 sizeof(malo_pci_devices) / sizeof(malo_pci_devices[0]))); 90 } 91 92 void 93 malo_pci_attach(struct device *parent, struct device *self, void *aux) 94 { 95 struct malo_pci_softc *psc = (struct malo_pci_softc *)self; 96 struct pci_attach_args *pa = aux; 97 struct malo_softc *sc = &psc->sc_malo; 98 const char *intrstr = NULL; 99 pci_intr_handle_t ih; 100 int error; 101 102 sc->sc_dmat = pa->pa_dmat; 103 psc->sc_pc = pa->pa_pc; 104 105 /* map control / status registers */ 106 error = pci_mapreg_map(pa, MALO_PCI_BAR1, 107 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 108 &sc->sc_mem1_bt, &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0); 109 if (error != 0) { 110 printf(": can't map 1st mem space\n"); 111 return; 112 } 113 114 /* map control / status registers */ 115 error = pci_mapreg_map(pa, MALO_PCI_BAR2, 116 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 117 &sc->sc_mem2_bt, &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0); 118 if (error != 0) { 119 printf(": can't map 2nd mem space\n"); 120 return; 121 } 122 123 /* map interrupt */ 124 if (pci_intr_map(pa, &ih) != 0) { 125 printf(": can't map interrupt\n"); 126 return; 127 } 128 129 /* establish interrupt */ 130 intrstr = pci_intr_string(psc->sc_pc, ih); 131 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, malo_intr, sc, 132 sc->sc_dev.dv_xname); 133 if (psc->sc_ih == NULL) { 134 printf(": could not establish interrupt"); 135 if (intrstr != NULL) 136 printf(" at %s", intrstr); 137 printf("\n"); 138 return; 139 } 140 printf(": %s", intrstr); 141 142 malo_attach(sc); 143 } 144 145 int 146 malo_pci_detach(struct device *self, int flags) 147 { 148 struct malo_pci_softc *psc = (struct malo_pci_softc *)self; 149 struct malo_softc *sc = &psc->sc_malo; 150 151 malo_detach(sc); 152 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 153 154 return (0); 155 } 156 157 int 158 malo_pci_activate(struct device *self, int act) 159 { 160 struct malo_pci_softc *psc = (struct malo_pci_softc *)self; 161 struct malo_softc *sc = &psc->sc_malo; 162 struct ifnet *ifp = &sc->sc_ic.ic_if; 163 164 switch (act) { 165 case DVACT_SUSPEND: 166 if (ifp->if_flags & IFF_RUNNING) 167 malo_stop(sc); 168 break; 169 case DVACT_WAKEUP: 170 malo_pci_wakeup(sc); 171 break; 172 } 173 return (0); 174 } 175 176 void 177 malo_pci_wakeup(struct malo_softc *sc) 178 { 179 struct ifnet *ifp = &sc->sc_ic.ic_if; 180 181 if (ifp->if_flags & IFF_UP) 182 malo_init(ifp); 183 } 184