if_bwi_cardbus.c revision 1.2.4.2
1 1.2.4.2 mrg /* $NetBSD: if_bwi_cardbus.c,v 1.2.4.2 2012/04/29 23:04:49 mrg Exp $ */ 2 1.2.4.2 mrg /* $OpenBSD: if_bwi_cardbus.c,v 1.13 2010/08/06 05:26:24 mglocker Exp $ */ 3 1.2.4.2 mrg 4 1.2.4.2 mrg /* 5 1.2.4.2 mrg * Copyright (c) 2007 Marcus Glocker <mglocker (at) openbsd.org> 6 1.2.4.2 mrg * Copyright (c) 2006 Claudio Jeker <claudio (at) openbsd.org> 7 1.2.4.2 mrg * 8 1.2.4.2 mrg * Permission to use, copy, modify, and distribute this software for any 9 1.2.4.2 mrg * purpose with or without fee is hereby granted, provided that the above 10 1.2.4.2 mrg * copyright notice and this permission notice appear in all copies. 11 1.2.4.2 mrg * 12 1.2.4.2 mrg * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 1.2.4.2 mrg * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 1.2.4.2 mrg * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 1.2.4.2 mrg * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 1.2.4.2 mrg * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 1.2.4.2 mrg * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 1.2.4.2 mrg * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 1.2.4.2 mrg */ 20 1.2.4.2 mrg 21 1.2.4.2 mrg /* 22 1.2.4.2 mrg * Broadcom AirForce BCM43xx IEEE 802.11b/g wireless network driver 23 1.2.4.2 mrg * CardBus front end 24 1.2.4.2 mrg */ 25 1.2.4.2 mrg 26 1.2.4.2 mrg #include <sys/cdefs.h> 27 1.2.4.2 mrg __KERNEL_RCSID(0, "$NetBSD: if_bwi_cardbus.c,v 1.2.4.2 2012/04/29 23:04:49 mrg Exp $"); 28 1.2.4.2 mrg 29 1.2.4.2 mrg #include "opt_inet.h" 30 1.2.4.2 mrg 31 1.2.4.2 mrg #include <sys/param.h> 32 1.2.4.2 mrg #include <sys/callout.h> 33 1.2.4.2 mrg #include <sys/device.h> 34 1.2.4.2 mrg #include <sys/kernel.h> 35 1.2.4.2 mrg #include <sys/malloc.h> 36 1.2.4.2 mrg #include <sys/mbuf.h> 37 1.2.4.2 mrg #include <sys/socket.h> 38 1.2.4.2 mrg #include <sys/sockio.h> 39 1.2.4.2 mrg #include <sys/systm.h> 40 1.2.4.2 mrg #include <sys/errno.h> 41 1.2.4.2 mrg 42 1.2.4.2 mrg #include <machine/endian.h> 43 1.2.4.2 mrg 44 1.2.4.2 mrg #include <net/if.h> 45 1.2.4.2 mrg #include <net/if_dl.h> 46 1.2.4.2 mrg #include <net/if_ether.h> 47 1.2.4.2 mrg #include <net/if_media.h> 48 1.2.4.2 mrg 49 1.2.4.2 mrg #include <net80211/ieee80211_var.h> 50 1.2.4.2 mrg #include <net80211/ieee80211_amrr.h> 51 1.2.4.2 mrg #include <net80211/ieee80211_radiotap.h> 52 1.2.4.2 mrg 53 1.2.4.2 mrg #include <dev/pci/pcireg.h> 54 1.2.4.2 mrg #include <dev/pci/pcivar.h> 55 1.2.4.2 mrg #include <dev/pci/pcidevs.h> 56 1.2.4.2 mrg 57 1.2.4.2 mrg #include <dev/cardbus/cardbusvar.h> 58 1.2.4.2 mrg 59 1.2.4.2 mrg #include <dev/ic/bwireg.h> 60 1.2.4.2 mrg #include <dev/ic/bwivar.h> 61 1.2.4.2 mrg 62 1.2.4.2 mrg struct bwi_cardbus_softc { 63 1.2.4.2 mrg struct bwi_softc csc_bwi; 64 1.2.4.2 mrg 65 1.2.4.2 mrg /* cardbus specific goo */ 66 1.2.4.2 mrg cardbus_devfunc_t csc_ct; 67 1.2.4.2 mrg pcitag_t csc_tag; 68 1.2.4.2 mrg 69 1.2.4.2 mrg bus_size_t csc_mapsize; 70 1.2.4.2 mrg pcireg_t csc_bar_val; 71 1.2.4.2 mrg }; 72 1.2.4.2 mrg 73 1.2.4.2 mrg static int bwi_cardbus_match(device_t, cfdata_t, void *); 74 1.2.4.2 mrg static void bwi_cardbus_attach(device_t, device_t, void *); 75 1.2.4.2 mrg static int bwi_cardbus_detach(device_t, int); 76 1.2.4.2 mrg static void bwi_cardbus_setup(struct bwi_cardbus_softc *); 77 1.2.4.2 mrg static int bwi_cardbus_enable(struct bwi_softc *, int); 78 1.2.4.2 mrg static void bwi_cardbus_disable(struct bwi_softc *, int); 79 1.2.4.2 mrg static void bwi_cardbus_conf_write(void *, uint32_t, uint32_t); 80 1.2.4.2 mrg static uint32_t bwi_cardbus_conf_read(void *, uint32_t); 81 1.2.4.2 mrg 82 1.2.4.2 mrg CFATTACH_DECL_NEW(bwi_cardbus, sizeof (struct bwi_cardbus_softc), 83 1.2.4.2 mrg bwi_cardbus_match, bwi_cardbus_attach, bwi_cardbus_detach, NULL); 84 1.2.4.2 mrg 85 1.2.4.2 mrg static int 86 1.2.4.2 mrg bwi_cardbus_match(device_t parent, cfdata_t match, void *aux) 87 1.2.4.2 mrg { 88 1.2.4.2 mrg struct cardbus_attach_args *ca = aux; 89 1.2.4.2 mrg 90 1.2.4.2 mrg if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_BROADCOM) { 91 1.2.4.2 mrg switch (PCI_PRODUCT(ca->ca_id)) { 92 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4303: 93 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4306: 94 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4306_2: 95 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4307: 96 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4309: 97 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4311: 98 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4312: 99 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4318: 100 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4319: 101 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4322: 102 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM43XG: 103 1.2.4.2 mrg case PCI_PRODUCT_BROADCOM_BCM4328: 104 1.2.4.2 mrg return (1); 105 1.2.4.2 mrg default: 106 1.2.4.2 mrg return (0); 107 1.2.4.2 mrg } 108 1.2.4.2 mrg } 109 1.2.4.2 mrg 110 1.2.4.2 mrg return (0); 111 1.2.4.2 mrg } 112 1.2.4.2 mrg 113 1.2.4.2 mrg static void 114 1.2.4.2 mrg bwi_cardbus_attach(device_t parent, device_t self, void *aux) 115 1.2.4.2 mrg { 116 1.2.4.2 mrg struct bwi_cardbus_softc *csc = device_private(self); 117 1.2.4.2 mrg struct cardbus_attach_args *ca = aux; 118 1.2.4.2 mrg struct bwi_softc *sc = &csc->csc_bwi; 119 1.2.4.2 mrg cardbus_devfunc_t ct = ca->ca_ct; 120 1.2.4.2 mrg pcireg_t reg; 121 1.2.4.2 mrg bus_addr_t base; 122 1.2.4.2 mrg int error; 123 1.2.4.2 mrg 124 1.2.4.2 mrg aprint_naive("\n"); 125 1.2.4.2 mrg aprint_normal(": Broadcom Wireless\n"); 126 1.2.4.2 mrg 127 1.2.4.2 mrg sc->sc_dev = self; 128 1.2.4.2 mrg sc->sc_dmat = ca->ca_dmat; 129 1.2.4.2 mrg csc->csc_ct = ct; 130 1.2.4.2 mrg csc->csc_tag = ca->ca_tag; 131 1.2.4.2 mrg 132 1.2.4.2 mrg /* power management hooks */ 133 1.2.4.2 mrg sc->sc_enable = bwi_cardbus_enable; 134 1.2.4.2 mrg sc->sc_disable = bwi_cardbus_disable; 135 1.2.4.2 mrg 136 1.2.4.2 mrg /* map control/status registers */ 137 1.2.4.2 mrg error = Cardbus_mapreg_map(ct, BWI_PCIR_BAR, 138 1.2.4.2 mrg PCI_MAPREG_TYPE_MEM, 0, &sc->sc_mem_bt, 139 1.2.4.2 mrg &sc->sc_mem_bh, &base, &csc->csc_mapsize); 140 1.2.4.2 mrg if (error != 0) { 141 1.2.4.2 mrg aprint_error_dev(self, "can't map mem space\n"); 142 1.2.4.2 mrg return; 143 1.2.4.2 mrg } 144 1.2.4.2 mrg csc->csc_bar_val = base | PCI_MAPREG_TYPE_MEM; 145 1.2.4.2 mrg 146 1.2.4.2 mrg /* set up the PCI configuration registers */ 147 1.2.4.2 mrg bwi_cardbus_setup(csc); 148 1.2.4.2 mrg 149 1.2.4.2 mrg /* we need to access Cardbus config space from the driver */ 150 1.2.4.2 mrg sc->sc_conf_read = bwi_cardbus_conf_read; 151 1.2.4.2 mrg sc->sc_conf_write = bwi_cardbus_conf_write; 152 1.2.4.2 mrg 153 1.2.4.2 mrg reg = (sc->sc_conf_read)(sc, PCI_SUBSYS_ID_REG); 154 1.2.4.2 mrg 155 1.2.4.2 mrg sc->sc_pci_revid = PCI_REVISION(ca->ca_class); 156 1.2.4.2 mrg sc->sc_pci_did = PCI_PRODUCT(ca->ca_id); 157 1.2.4.2 mrg sc->sc_pci_subvid = PCI_VENDOR(reg); 158 1.2.4.2 mrg sc->sc_pci_subdid = PCI_PRODUCT(reg); 159 1.2.4.2 mrg 160 1.2.4.2 mrg if (pmf_device_register(self, bwi_suspend, bwi_resume)) 161 1.2.4.2 mrg pmf_class_network_register(self, &sc->sc_if); 162 1.2.4.2 mrg else 163 1.2.4.2 mrg aprint_error_dev(self, "couldn't establish power handler\n"); 164 1.2.4.2 mrg 165 1.2.4.2 mrg error = bwi_attach(sc); 166 1.2.4.2 mrg if (error != 0) 167 1.2.4.2 mrg bwi_cardbus_detach(self, 0); 168 1.2.4.2 mrg 169 1.2.4.2 mrg Cardbus_function_disable(ct); 170 1.2.4.2 mrg } 171 1.2.4.2 mrg 172 1.2.4.2 mrg static int 173 1.2.4.2 mrg bwi_cardbus_detach(device_t self, int flags) 174 1.2.4.2 mrg { 175 1.2.4.2 mrg struct bwi_cardbus_softc *csc = device_private(self); 176 1.2.4.2 mrg struct bwi_softc *sc = &csc->csc_bwi; 177 1.2.4.2 mrg cardbus_devfunc_t ct = csc->csc_ct; 178 1.2.4.2 mrg 179 1.2.4.2 mrg #ifdef DIAGNOSTIC 180 1.2.4.2 mrg if (ct == NULL) 181 1.2.4.2 mrg panic("%s: data structure lacks", device_xname(self)); 182 1.2.4.2 mrg #endif 183 1.2.4.2 mrg 184 1.2.4.2 mrg pmf_device_deregister(self); 185 1.2.4.2 mrg 186 1.2.4.2 mrg bwi_detach(sc); 187 1.2.4.2 mrg 188 1.2.4.2 mrg /* unhook the interrupt handler */ 189 1.2.4.2 mrg if (sc->sc_ih != NULL) { 190 1.2.4.2 mrg Cardbus_intr_disestablish(ct, sc->sc_ih); 191 1.2.4.2 mrg sc->sc_ih = NULL; 192 1.2.4.2 mrg } 193 1.2.4.2 mrg 194 1.2.4.2 mrg /* release bus space and close window */ 195 1.2.4.2 mrg Cardbus_mapreg_unmap(ct, BWI_PCIR_BAR, sc->sc_mem_bt, 196 1.2.4.2 mrg sc->sc_mem_bh, csc->csc_mapsize); 197 1.2.4.2 mrg 198 1.2.4.2 mrg return (0); 199 1.2.4.2 mrg } 200 1.2.4.2 mrg 201 1.2.4.2 mrg static void 202 1.2.4.2 mrg bwi_cardbus_setup(struct bwi_cardbus_softc *csc) 203 1.2.4.2 mrg { 204 1.2.4.2 mrg cardbus_devfunc_t ct = csc->csc_ct; 205 1.2.4.2 mrg pcireg_t reg; 206 1.2.4.2 mrg 207 1.2.4.2 mrg /* program the BAR */ 208 1.2.4.2 mrg Cardbus_conf_write(ct, csc->csc_tag, BWI_PCIR_BAR, csc->csc_bar_val); 209 1.2.4.2 mrg 210 1.2.4.2 mrg /* enable the appropriate bits in the PCI CSR */ 211 1.2.4.2 mrg reg = Cardbus_conf_read(ct, csc->csc_tag, PCI_COMMAND_STATUS_REG); 212 1.2.4.2 mrg reg |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE; 213 1.2.4.2 mrg Cardbus_conf_write(ct, csc->csc_tag, PCI_COMMAND_STATUS_REG, reg); 214 1.2.4.2 mrg } 215 1.2.4.2 mrg 216 1.2.4.2 mrg static int 217 1.2.4.2 mrg bwi_cardbus_enable(struct bwi_softc *sc, int pmf) 218 1.2.4.2 mrg { 219 1.2.4.2 mrg struct bwi_cardbus_softc *csc = (struct bwi_cardbus_softc *)sc; 220 1.2.4.2 mrg cardbus_devfunc_t ct = csc->csc_ct; 221 1.2.4.2 mrg 222 1.2.4.2 mrg if (!pmf) { 223 1.2.4.2 mrg /* power on the socket */ 224 1.2.4.2 mrg Cardbus_function_enable(ct); 225 1.2.4.2 mrg 226 1.2.4.2 mrg /* setup the PCI configuration registers */ 227 1.2.4.2 mrg bwi_cardbus_setup(csc); 228 1.2.4.2 mrg } 229 1.2.4.2 mrg 230 1.2.4.2 mrg /* map and establish the interrupt handler */ 231 1.2.4.2 mrg sc->sc_ih = Cardbus_intr_establish(ct, IPL_NET, bwi_intr, sc); 232 1.2.4.2 mrg if (sc->sc_ih == NULL) { 233 1.2.4.2 mrg aprint_error_dev(sc->sc_dev, 234 1.2.4.2 mrg "unable to establish interrupt\n"); 235 1.2.4.2 mrg if (!pmf) 236 1.2.4.2 mrg Cardbus_function_disable(ct); 237 1.2.4.2 mrg return (1); 238 1.2.4.2 mrg } 239 1.2.4.2 mrg 240 1.2.4.2 mrg return (0); 241 1.2.4.2 mrg } 242 1.2.4.2 mrg 243 1.2.4.2 mrg static void 244 1.2.4.2 mrg bwi_cardbus_disable(struct bwi_softc *sc, int pmf) 245 1.2.4.2 mrg { 246 1.2.4.2 mrg struct bwi_cardbus_softc *csc = (struct bwi_cardbus_softc *)sc; 247 1.2.4.2 mrg cardbus_devfunc_t ct = csc->csc_ct; 248 1.2.4.2 mrg 249 1.2.4.2 mrg /* unhook the interrupt handler */ 250 1.2.4.2 mrg if (sc->sc_ih != NULL) { 251 1.2.4.2 mrg Cardbus_intr_disestablish(ct, sc->sc_ih); 252 1.2.4.2 mrg sc->sc_ih = NULL; 253 1.2.4.2 mrg } 254 1.2.4.2 mrg 255 1.2.4.2 mrg if (!pmf) { 256 1.2.4.2 mrg /* power down the socket */ 257 1.2.4.2 mrg Cardbus_function_disable(ct); 258 1.2.4.2 mrg } 259 1.2.4.2 mrg } 260 1.2.4.2 mrg 261 1.2.4.2 mrg static void 262 1.2.4.2 mrg bwi_cardbus_conf_write(void *sc, uint32_t reg, uint32_t val) 263 1.2.4.2 mrg { 264 1.2.4.2 mrg struct bwi_cardbus_softc *csc = (struct bwi_cardbus_softc *)sc; 265 1.2.4.2 mrg 266 1.2.4.2 mrg Cardbus_conf_write(csc->csc_ct, csc->csc_tag, reg, val); 267 1.2.4.2 mrg } 268 1.2.4.2 mrg 269 1.2.4.2 mrg static uint32_t 270 1.2.4.2 mrg bwi_cardbus_conf_read(void *sc, uint32_t reg) 271 1.2.4.2 mrg { 272 1.2.4.2 mrg struct bwi_cardbus_softc *csc = (struct bwi_cardbus_softc *)sc; 273 1.2.4.2 mrg 274 1.2.4.2 mrg return Cardbus_conf_read(csc->csc_ct, csc->csc_tag, reg); 275 1.2.4.2 mrg } 276
Indexes created Thu Oct 30 16:09:53 GMT 2025