if_malo_pci.c revision 1.2
1 /* $NetBSD: if_malo_pci.c,v 1.2 2012/07/30 20:30:41 degroote Exp $ */ 2 /* $OpenBSD: if_malo_pci.c,v 1.6 2010/08/28 23:19:29 deraadt Exp $ */ 3 4 /* 5 * Copyright (c) 2006 Marcus Glocker <mglocker (at) openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* 21 * PCI front-end for the Marvell Libertas 22 */ 23 24 #include <sys/cdefs.h> 25 __KERNEL_RCSID(0, "$NetBSD: if_malo_pci.c,v 1.2 2012/07/30 20:30:41 degroote Exp $"); 26 27 #include <sys/param.h> 28 #include <sys/sockio.h> 29 #include <sys/mbuf.h> 30 #include <sys/kernel.h> 31 #include <sys/socket.h> 32 #include <sys/systm.h> 33 #include <sys/malloc.h> 34 #include <sys/device.h> 35 #include <sys/bus.h> 36 37 #include <machine/intr.h> 38 39 #include <net/if.h> 40 #include <net/if_dl.h> 41 #include <net/if_media.h> 42 #include <net/if_ether.h> 43 44 #include <netinet/in.h> 45 46 #include <net80211/ieee80211_var.h> 47 #include <net80211/ieee80211_radiotap.h> 48 49 #include <dev/ic/malovar.h> 50 51 #include <dev/pci/pcireg.h> 52 #include <dev/pci/pcivar.h> 53 #include <dev/pci/pcidevs.h> 54 55 /* Base Address Register */ 56 #define MALO_PCI_BAR1 0x10 57 #define MALO_PCI_BAR2 0x14 58 59 static int malo_pci_match(device_t parent, cfdata_t match, void *aux); 60 static void malo_pci_attach(device_t, device_t, void *); 61 static int malo_pci_detach(struct device *, int); 62 63 struct malo_pci_softc { 64 struct malo_softc sc_malo; 65 66 pci_chipset_tag_t sc_pc; 67 void *sc_ih; 68 69 bus_size_t sc_mapsize1; 70 bus_size_t sc_mapsize2; 71 }; 72 73 CFATTACH_DECL_NEW(malo_pci, sizeof(struct malo_pci_softc), 74 malo_pci_match, malo_pci_attach, malo_pci_detach, NULL); 75 76 static int 77 malo_pci_match(device_t parent, cfdata_t match, void *aux) 78 { 79 struct pci_attach_args *pa = aux; 80 81 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_MARVELL) 82 return (0); 83 84 switch (PCI_PRODUCT(pa->pa_id)) { 85 case PCI_PRODUCT_MARVELL_88W8310: 86 case PCI_PRODUCT_MARVELL_88W8335_1: 87 case PCI_PRODUCT_MARVELL_88W8335_2: 88 return (1); 89 } 90 91 return (0); 92 } 93 94 static void 95 malo_pci_attach(device_t parent, device_t self, void *aux) 96 { 97 struct malo_pci_softc *psc = device_private(self); 98 struct pci_attach_args *pa = aux; 99 struct malo_softc *sc = &psc->sc_malo; 100 const char *intrstr = NULL; 101 pci_intr_handle_t ih; 102 pcireg_t memtype1, memtype2; 103 int error; 104 105 sc->sc_dev = self; 106 sc->sc_dmat = pa->pa_dmat; 107 psc->sc_pc = pa->pa_pc; 108 109 aprint_normal("\n"); 110 aprint_normal_dev(self,"Marvell Libertas Wireless\n"); 111 112 /* map control / status registers */ 113 memtype1 = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MALO_PCI_BAR1); 114 switch (memtype1) { 115 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 116 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 117 break; 118 default: 119 aprint_error_dev(self, "invalid base address register\n"); 120 return; 121 } 122 123 error = pci_mapreg_map(pa, MALO_PCI_BAR1, 124 memtype1, 0, &sc->sc_mem1_bt, &sc->sc_mem1_bh, 125 NULL, &psc->sc_mapsize1); 126 if (error != 0) { 127 aprint_error_dev(self, "can't map 1st mem space\n"); 128 return; 129 } 130 131 /* map control / status registers */ 132 memtype2 = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MALO_PCI_BAR1); 133 switch (memtype2) { 134 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 135 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 136 break; 137 default: 138 aprint_error_dev(self, "invalid base address register\n"); 139 return; 140 } 141 142 error = pci_mapreg_map(pa, MALO_PCI_BAR2, 143 memtype2, 0, &sc->sc_mem2_bt, &sc->sc_mem2_bh, 144 NULL, &psc->sc_mapsize2); 145 if (error != 0) { 146 aprint_error_dev(self, "can't map 2nd mem space\n"); 147 return; 148 } 149 150 /* map interrupt */ 151 if (pci_intr_map(pa, &ih) != 0) { 152 aprint_error_dev(self, "can't map interrupt\n"); 153 return; 154 } 155 156 /* establish interrupt */ 157 intrstr = pci_intr_string(psc->sc_pc, ih); 158 psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, malo_intr, sc); 159 if (psc->sc_ih == NULL) { 160 aprint_error_dev(self, "could not establish interrupt"); 161 if (intrstr != NULL) 162 aprint_error(" at %s", intrstr); 163 aprint_error("\n"); 164 return; 165 } 166 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 167 168 malo_attach(sc); 169 } 170 171 int 172 malo_pci_detach(struct device *self, int flags) 173 { 174 struct malo_pci_softc *psc = (struct malo_pci_softc *)self; 175 struct malo_softc *sc = &psc->sc_malo; 176 177 malo_detach(sc); 178 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 179 180 return (0); 181 } 182
Indexes created Thu Oct 02 14:10:14 GMT 2025