if_bwi_pci.c revision 1.3.2.2
1 1.3.2.2 mjf /* $NetBSD: if_bwi_pci.c,v 1.3.2.2 2009/01/17 13:28:59 mjf Exp $ */ 2 1.3.2.2 mjf /* $OpenBSD: if_bwi_pci.c,v 1.6 2008/02/14 22:10:02 brad Exp $ */ 3 1.3.2.2 mjf 4 1.3.2.2 mjf /* 5 1.3.2.2 mjf * Copyright (c) 2007 Marcus Glocker <mglocker (at) openbsd.org> 6 1.3.2.2 mjf * 7 1.3.2.2 mjf * Permission to use, copy, modify, and distribute this software for any 8 1.3.2.2 mjf * purpose with or without fee is hereby granted, provided that the above 9 1.3.2.2 mjf * copyright notice and this permission notice appear in all copies. 10 1.3.2.2 mjf * 11 1.3.2.2 mjf * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.3.2.2 mjf * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.3.2.2 mjf * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.3.2.2 mjf * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.3.2.2 mjf * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.3.2.2 mjf * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.3.2.2 mjf * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.3.2.2 mjf */ 19 1.3.2.2 mjf 20 1.3.2.2 mjf /* 21 1.3.2.2 mjf * Broadcom AirForce BCM43xx IEEE 802.11b/g wireless network driver 22 1.3.2.2 mjf * PCI front end 23 1.3.2.2 mjf */ 24 1.3.2.2 mjf 25 1.3.2.2 mjf #include "bpfilter.h" 26 1.3.2.2 mjf 27 1.3.2.2 mjf #include <sys/cdefs.h> 28 1.3.2.2 mjf __KERNEL_RCSID(0, "$NetBSD: if_bwi_pci.c,v 1.3.2.2 2009/01/17 13:28:59 mjf Exp $"); 29 1.3.2.2 mjf 30 1.3.2.2 mjf #include <sys/param.h> 31 1.3.2.2 mjf #include <sys/callout.h> 32 1.3.2.2 mjf #include <sys/device.h> 33 1.3.2.2 mjf #include <sys/kernel.h> 34 1.3.2.2 mjf #include <sys/malloc.h> 35 1.3.2.2 mjf #include <sys/mbuf.h> 36 1.3.2.2 mjf #include <sys/socket.h> 37 1.3.2.2 mjf #include <sys/sockio.h> 38 1.3.2.2 mjf #include <sys/systm.h> 39 1.3.2.2 mjf 40 1.3.2.2 mjf #include <machine/bus.h> 41 1.3.2.2 mjf 42 1.3.2.2 mjf #include <net/if.h> 43 1.3.2.2 mjf #include <net/if_dl.h> 44 1.3.2.2 mjf #include <net/if_ether.h> 45 1.3.2.2 mjf #include <net/if_media.h> 46 1.3.2.2 mjf 47 1.3.2.2 mjf #include <net80211/ieee80211_var.h> 48 1.3.2.2 mjf #include <net80211/ieee80211_amrr.h> 49 1.3.2.2 mjf #include <net80211/ieee80211_radiotap.h> 50 1.3.2.2 mjf 51 1.3.2.2 mjf #include <dev/ic/bwivar.h> 52 1.3.2.2 mjf 53 1.3.2.2 mjf #include <dev/pci/pcireg.h> 54 1.3.2.2 mjf #include <dev/pci/pcivar.h> 55 1.3.2.2 mjf #include <dev/pci/pcidevs.h> 56 1.3.2.2 mjf 57 1.3.2.2 mjf /* Base Address Register */ 58 1.3.2.2 mjf #define BWI_PCI_BAR0 0x10 59 1.3.2.2 mjf 60 1.3.2.2 mjf static int bwi_pci_match(struct device *, struct cfdata *, void *); 61 1.3.2.2 mjf static void bwi_pci_attach(struct device *, struct device *, void *); 62 1.3.2.2 mjf static int bwi_pci_detach(struct device *, int); 63 1.3.2.2 mjf static void bwi_pci_conf_write(void *, uint32_t, uint32_t); 64 1.3.2.2 mjf static uint32_t bwi_pci_conf_read(void *, uint32_t); 65 1.3.2.2 mjf 66 1.3.2.2 mjf struct bwi_pci_softc { 67 1.3.2.2 mjf struct bwi_softc psc_bwi; 68 1.3.2.2 mjf 69 1.3.2.2 mjf pci_chipset_tag_t psc_pc; 70 1.3.2.2 mjf pcitag_t psc_pcitag; 71 1.3.2.2 mjf 72 1.3.2.2 mjf bus_size_t psc_mapsize; 73 1.3.2.2 mjf }; 74 1.3.2.2 mjf 75 1.3.2.2 mjf CFATTACH_DECL(bwi_pci, sizeof(struct bwi_pci_softc), 76 1.3.2.2 mjf bwi_pci_match, bwi_pci_attach, bwi_pci_detach, NULL); 77 1.3.2.2 mjf 78 1.3.2.2 mjf static int 79 1.3.2.2 mjf bwi_pci_match(struct device *parent, struct cfdata *match, void *aux) 80 1.3.2.2 mjf { 81 1.3.2.2 mjf struct pci_attach_args *pa = aux; 82 1.3.2.2 mjf 83 1.3.2.2 mjf if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BROADCOM) 84 1.3.2.2 mjf return (0); 85 1.3.2.2 mjf 86 1.3.2.2 mjf switch (PCI_PRODUCT(pa->pa_id)) { 87 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4303: 88 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4306: 89 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4306_2: 90 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4307: 91 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4309: 92 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4311: 93 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4312: 94 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4318: 95 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4319: 96 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4322: 97 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM43XG: 98 1.3.2.2 mjf case PCI_PRODUCT_BROADCOM_BCM4328: 99 1.3.2.2 mjf return (1); 100 1.3.2.2 mjf } 101 1.3.2.2 mjf 102 1.3.2.2 mjf return (0); 103 1.3.2.2 mjf } 104 1.3.2.2 mjf 105 1.3.2.2 mjf static void 106 1.3.2.2 mjf bwi_pci_attach(struct device *parent, struct device *self, void *aux) 107 1.3.2.2 mjf { 108 1.3.2.2 mjf struct bwi_pci_softc *psc = (struct bwi_pci_softc *)self; 109 1.3.2.2 mjf struct pci_attach_args *pa = aux; 110 1.3.2.2 mjf struct bwi_softc *sc = &psc->psc_bwi; 111 1.3.2.2 mjf const char *intrstr = NULL; 112 1.3.2.2 mjf pci_intr_handle_t ih; 113 1.3.2.2 mjf pcireg_t memtype, reg; 114 1.3.2.2 mjf 115 1.3.2.2 mjf sc->sc_dmat = pa->pa_dmat; 116 1.3.2.2 mjf psc->psc_pc = pa->pa_pc; 117 1.3.2.2 mjf psc->psc_pcitag = pa->pa_tag; 118 1.3.2.2 mjf 119 1.3.2.2 mjf /* map control / status registers */ 120 1.3.2.2 mjf memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, BWI_PCI_BAR0); 121 1.3.2.2 mjf switch (memtype) { 122 1.3.2.2 mjf case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 123 1.3.2.2 mjf case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 124 1.3.2.2 mjf if (pci_mapreg_map(pa, BWI_PCI_BAR0, 125 1.3.2.2 mjf memtype, 0, &sc->sc_mem_bt, &sc->sc_mem_bh, 126 1.3.2.2 mjf NULL, &psc->psc_mapsize) == 0) 127 1.3.2.2 mjf break; 128 1.3.2.2 mjf default: 129 1.3.2.2 mjf aprint_error(": could not map memory space\n"); 130 1.3.2.2 mjf return; 131 1.3.2.2 mjf } 132 1.3.2.2 mjf 133 1.3.2.2 mjf aprint_normal("\n"); 134 1.3.2.2 mjf 135 1.3.2.2 mjf /* map interrupt */ 136 1.3.2.2 mjf if (pci_intr_map(pa, &ih) != 0) { 137 1.3.2.2 mjf aprint_error_dev(self, "could not map interrupt\n"); 138 1.3.2.2 mjf return; 139 1.3.2.2 mjf } 140 1.3.2.2 mjf 141 1.3.2.2 mjf /* establish interrupt */ 142 1.3.2.2 mjf intrstr = pci_intr_string(psc->psc_pc, ih); 143 1.3.2.2 mjf sc->sc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_NET, bwi_intr, sc); 144 1.3.2.2 mjf if (sc->sc_ih == NULL) { 145 1.3.2.2 mjf aprint_error_dev(self, "could not establish interrupt"); 146 1.3.2.2 mjf if (intrstr != NULL) 147 1.3.2.2 mjf aprint_error(" at %s", intrstr); 148 1.3.2.2 mjf aprint_error("\n"); 149 1.3.2.2 mjf return; 150 1.3.2.2 mjf } 151 1.3.2.2 mjf aprint_normal_dev(self, "interrupting at %s\n", intrstr); 152 1.3.2.2 mjf 153 1.3.2.2 mjf /* we need to access PCI config space from the driver */ 154 1.3.2.2 mjf sc->sc_conf_write = bwi_pci_conf_write; 155 1.3.2.2 mjf sc->sc_conf_read = bwi_pci_conf_read; 156 1.3.2.2 mjf 157 1.3.2.2 mjf reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 158 1.3.2.2 mjf 159 1.3.2.2 mjf sc->sc_pci_revid = PCI_REVISION(pa->pa_class); 160 1.3.2.2 mjf sc->sc_pci_did = PCI_PRODUCT(pa->pa_id); 161 1.3.2.2 mjf sc->sc_pci_subvid = PCI_VENDOR(reg); 162 1.3.2.2 mjf sc->sc_pci_subdid = PCI_PRODUCT(reg); 163 1.3.2.2 mjf 164 1.3.2.2 mjf bwi_attach(sc); 165 1.3.2.2 mjf } 166 1.3.2.2 mjf 167 1.3.2.2 mjf int 168 1.3.2.2 mjf bwi_pci_detach(struct device *self, int flags) 169 1.3.2.2 mjf { 170 1.3.2.2 mjf struct bwi_pci_softc *psc = (struct bwi_pci_softc *)self; 171 1.3.2.2 mjf struct bwi_softc *sc = &psc->psc_bwi; 172 1.3.2.2 mjf 173 1.3.2.2 mjf bwi_detach(sc); 174 1.3.2.2 mjf 175 1.3.2.2 mjf if (sc->sc_ih != NULL) { 176 1.3.2.2 mjf pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 177 1.3.2.2 mjf sc->sc_ih = NULL; 178 1.3.2.2 mjf } 179 1.3.2.2 mjf 180 1.3.2.2 mjf return (0); 181 1.3.2.2 mjf } 182 1.3.2.2 mjf 183 1.3.2.2 mjf static void 184 1.3.2.2 mjf bwi_pci_conf_write(void *self, uint32_t reg, uint32_t val) 185 1.3.2.2 mjf { 186 1.3.2.2 mjf struct bwi_pci_softc *psc = (struct bwi_pci_softc *)self; 187 1.3.2.2 mjf 188 1.3.2.2 mjf pci_conf_write(psc->psc_pc, psc->psc_pcitag, reg, val); 189 1.3.2.2 mjf } 190 1.3.2.2 mjf 191 1.3.2.2 mjf static uint32_t 192 1.3.2.2 mjf bwi_pci_conf_read(void *self, uint32_t reg) 193 1.3.2.2 mjf { 194 1.3.2.2 mjf struct bwi_pci_softc *psc = (struct bwi_pci_softc *)self; 195 1.3.2.2 mjf 196 1.3.2.2 mjf return (pci_conf_read(psc->psc_pc, psc->psc_pcitag, reg)); 197 1.3.2.2 mjf } 198
Indexes created Thu Oct 02 14:10:14 GMT 2025