1 /* $OpenBSD: if_malo_pci.c,v 1.12 2024/05/24 06:02:53 jsg 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/systm.h> 27 #include <sys/timeout.h> 28 #include <sys/device.h> 29 30 #include <machine/bus.h> 31 32 #include <net/if.h> 33 #include <net/if_media.h> 34 35 #include <netinet/in.h> 36 #include <netinet/if_ether.h> 37 38 #include <net80211/ieee80211_var.h> 39 #include <net80211/ieee80211_radiotap.h> 40 41 #include <dev/ic/malo.h> 42 43 #include <dev/pci/pcireg.h> 44 #include <dev/pci/pcivar.h> 45 #include <dev/pci/pcidevs.h> 46 47 /* Base Address Register */ 48 #define MALO_PCI_BAR1 0x10 49 #define MALO_PCI_BAR2 0x14 50 51 int malo_pci_match(struct device *, void *, void *); 52 void malo_pci_attach(struct device *, struct device *, void *); 53 int malo_pci_detach(struct device *, int); 54 int malo_pci_activate(struct device *, int); 55 void malo_pci_wakeup(struct malo_softc *); 56 57 struct malo_pci_softc { 58 struct malo_softc sc_malo; 59 60 pci_chipset_tag_t sc_pc; 61 void *sc_ih; 62 63 bus_size_t sc_mapsize1; 64 bus_size_t sc_mapsize2; 65 }; 66 67 const struct cfattach malo_pci_ca = { 68 sizeof(struct malo_pci_softc), malo_pci_match, malo_pci_attach, 69 malo_pci_detach, malo_pci_activate 70 }; 71 72 const struct pci_matchid malo_pci_devices[] = { 73 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8310 }, 74 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_1 }, 75 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_2 } 76 }; 77 78 int 79 malo_pci_match(struct device *parent, void *match, void *aux) 80 { 81 return (pci_matchbyid((struct pci_attach_args *)aux, malo_pci_devices, 82 sizeof(malo_pci_devices) / sizeof(malo_pci_devices[0]))); 83 } 84 85 void 86 malo_pci_attach(struct device *parent, struct device *self, void *aux) 87 { 88 struct malo_pci_softc *psc = (struct malo_pci_softc *)self; 89 struct pci_attach_args *pa = aux; 90 struct malo_softc *sc = &psc->sc_malo; 91 const char *intrstr = NULL; 92 pci_intr_handle_t ih; 93 int error; 94 95 sc->sc_dmat = pa->pa_dmat; 96 psc->sc_pc = pa->pa_pc; 97 98 /* map control / status registers */ 99 error = pci_mapreg_map(pa, MALO_PCI_BAR1, 100 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 101 &sc->sc_mem1_bt, &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0); 102 if (error != 0) { 103 printf(": can't map 1st mem space\n"); 104 return; 105 } 106 107 /* map control / status registers */ 108 error = pci_mapreg_map(pa, MALO_PCI_BAR2, 109 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 110 &sc->sc_mem2_bt, &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0); 111 if (error != 0) { 112 printf(": can't map 2nd mem space\n"); 113 return; 114 } 115 116 /* map interrupt */ 117 if (pci_intr_map(pa, &ih) != 0) { 118 printf(": can't map interrupt\n"); 119 return; 120 } 121 122 /* establish interrupt */ 123 intrstr = pci_intr_string(psc->sc_pc, ih); 124 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, malo_intr, sc, 125 sc->sc_dev.dv_xname); 126 if (psc->sc_ih == NULL) { 127 printf(": could not establish interrupt"); 128 if (intrstr != NULL) 129 printf(" at %s", intrstr); 130 printf("\n"); 131 return; 132 } 133 printf(": %s", intrstr); 134 135 malo_attach(sc); 136 } 137 138 int 139 malo_pci_detach(struct device *self, int flags) 140 { 141 struct malo_pci_softc *psc = (struct malo_pci_softc *)self; 142 struct malo_softc *sc = &psc->sc_malo; 143 144 malo_detach(sc); 145 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 146 147 return (0); 148 } 149 150 int 151 malo_pci_activate(struct device *self, int act) 152 { 153 struct malo_pci_softc *psc = (struct malo_pci_softc *)self; 154 struct malo_softc *sc = &psc->sc_malo; 155 struct ifnet *ifp = &sc->sc_ic.ic_if; 156 157 switch (act) { 158 case DVACT_SUSPEND: 159 if (ifp->if_flags & IFF_RUNNING) 160 malo_stop(sc); 161 break; 162 case DVACT_WAKEUP: 163 malo_pci_wakeup(sc); 164 break; 165 } 166 return (0); 167 } 168 169 void 170 malo_pci_wakeup(struct malo_softc *sc) 171 { 172 struct ifnet *ifp = &sc->sc_ic.ic_if; 173 174 if (ifp->if_flags & IFF_UP) 175 malo_init(ifp); 176 } 177