if_ath_arbus.c revision 1.4
1 /* $NetBSD: if_ath_arbus.c,v 1.4 2006/06/05 05:14:38 gdamore Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Jared D. McNeill <jmcneill (at) invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: if_ath_arbus.c,v 1.4 2006/06/05 05:14:38 gdamore Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/mbuf.h> 42 #include <sys/malloc.h> 43 #include <sys/kernel.h> 44 #include <sys/errno.h> 45 #include <sys/device.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr.h> 49 50 #include <net/if.h> 51 #include <net/if_media.h> 52 #include <net/if_ether.h> 53 #include <net/if_llc.h> 54 #include <net/if_arp.h> 55 56 #include <netinet/in.h> 57 58 #include <net80211/ieee80211_netbsd.h> 59 #include <net80211/ieee80211_var.h> 60 61 #include <mips/atheros/include/ar531xreg.h> 62 #include <mips/atheros/include/ar531xvar.h> 63 #include <mips/atheros/include/arbusvar.h> 64 65 #include <dev/pci/pcidevs.h> 66 #include <dev/ic/ath_netbsd.h> 67 #include <dev/ic/athvar.h> 68 #include <contrib/dev/ath/ah.h> 69 70 struct ath_arbus_softc { 71 struct ath_softc sc_ath; 72 bus_space_tag_t sc_iot; 73 bus_space_handle_t sc_ioh; 74 void *sc_ih; 75 struct ar531x_config sc_config; 76 }; 77 78 static int ath_arbus_match(struct device *, struct cfdata *, void *); 79 static void ath_arbus_attach(struct device *, struct device *, void *); 80 static int ath_arbus_detach(struct device *, int); 81 static void ath_arbus_shutdown(void *); 82 83 CFATTACH_DECL(ath_arbus, sizeof(struct ath_arbus_softc), 84 ath_arbus_match, ath_arbus_attach, ath_arbus_detach, NULL); 85 86 static int 87 ath_arbus_match(struct device *parent, struct cfdata *cf, void *opaque) 88 { 89 struct arbus_attach_args *aa; 90 91 aa = (struct arbus_attach_args *)opaque; 92 if (strcmp(aa->aa_name, "ath") == 0) 93 return 1; 94 95 return 0; 96 } 97 98 static void 99 ath_arbus_attach(struct device *parent, struct device *self, void *opaque) 100 { 101 struct ath_arbus_softc *asc; 102 struct ath_softc *sc; 103 struct arbus_attach_args *aa; 104 const char *name; 105 void *hook; 106 int rv; 107 uint16_t devid; 108 uint32_t rev; 109 110 asc = (struct ath_arbus_softc *)self; 111 sc = &asc->sc_ath; 112 aa = (struct arbus_attach_args *)opaque; 113 114 rev = GETSYSREG(AR531X_SYSREG_REVISION); 115 devid = AR531X_REVISION_WMAC(rev); 116 name = ath_hal_probe(PCI_VENDOR_ATHEROS, devid); 117 118 printf(": %s\n", name ? name : "Unknown AR531X WLAN"); 119 120 asc->sc_iot = aa->aa_bst; 121 rv = bus_space_map(asc->sc_iot, aa->aa_addr, aa->aa_size, 0, 122 &asc->sc_ioh); 123 if (rv) { 124 aprint_error("%s: unable to map registers\n", 125 sc->sc_dev.dv_xname); 126 return; 127 } 128 /* 129 * Setup HAL configuration state for use by the driver. 130 */ 131 rv = ar531x_board_config(&asc->sc_config); 132 if (rv) { 133 aprint_error("%s: unable to locate board configuration\n", 134 sc->sc_dev.dv_xname); 135 return; 136 } 137 asc->sc_config.unit = sc->sc_dev.dv_unit; /* XXX? */ 138 asc->sc_config.tag = asc->sc_iot; 139 140 /* NB: the HAL expects the config state passed as the tag */ 141 sc->sc_st = (HAL_BUS_TAG) &asc->sc_config; 142 sc->sc_sh = (HAL_BUS_HANDLE) asc->sc_ioh; 143 sc->sc_dmat = aa->aa_dmat; 144 145 sc->sc_invalid = 1; 146 147 asc->sc_ih = arbus_intr_establish(aa->aa_irq, ath_intr, sc); 148 if (asc->sc_ih == NULL) { 149 aprint_error("%s: couldn't establish interrupt\n", 150 sc->sc_dev.dv_xname); 151 return; 152 } 153 154 if (ath_attach(devid, sc) != 0) { 155 aprint_error("%s: ath_attach failed\n", sc->sc_dev.dv_xname); 156 goto err; 157 } 158 159 hook = shutdownhook_establish(ath_arbus_shutdown, asc); 160 if (hook == NULL) { 161 aprint_error("%s: couldn't establish shutdown hook\n", 162 sc->sc_dev.dv_xname); 163 goto err; 164 } 165 166 return; 167 168 err: 169 arbus_intr_disestablish(asc->sc_ih); 170 } 171 172 static int 173 ath_arbus_detach(struct device *self, int flags) 174 { 175 struct ath_arbus_softc *asc = (struct ath_arbus_softc *)self; 176 177 ath_detach(&asc->sc_ath); 178 arbus_intr_disestablish(asc->sc_ih); 179 180 return (0); 181 } 182 183 static void 184 ath_arbus_shutdown(void *opaque) 185 { 186 struct ath_arbus_softc *asc = opaque; 187 188 ath_shutdown(&asc->sc_ath); 189 190 return; 191 } 192
Indexes created Fri Oct 03 02:09:57 GMT 2025