if_ath_arbus.c revision 1.3
1 /* $NetBSD: if_ath_arbus.c,v 1.3 2006/04/07 04:57:05 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 1.3 2006/04/07 04:57:05 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 }; 76 77 static int ath_arbus_match(struct device *, struct cfdata *, void *); 78 static void ath_arbus_attach(struct device *, struct device *, void *); 79 static int ath_arbus_detach(struct device *, int); 80 static void ath_arbus_shutdown(void *); 81 82 CFATTACH_DECL(ath_arbus, sizeof(struct ath_arbus_softc), 83 ath_arbus_match, ath_arbus_attach, ath_arbus_detach, NULL); 84 85 static int 86 ath_arbus_match(struct device *parent, struct cfdata *cf, void *opaque) 87 { 88 struct arbus_attach_args *aa; 89 90 aa = (struct arbus_attach_args *)opaque; 91 if (strcmp(aa->aa_name, "ath") == 0) 92 return 1; 93 94 return 0; 95 } 96 97 static void 98 ath_arbus_attach(struct device *parent, struct device *self, void *opaque) 99 { 100 struct ath_arbus_softc *asc; 101 struct ath_softc *sc; 102 struct arbus_attach_args *aa; 103 #if 0 104 struct ar531x_board_info *board; 105 #endif 106 const char *name; 107 void *hook; 108 int rv; 109 uint16_t devid; 110 uint32_t rev; 111 112 asc = (struct ath_arbus_softc *)self; 113 sc = &asc->sc_ath; 114 aa = (struct arbus_attach_args *)opaque; 115 116 rev = GETSYSREG(AR531X_SYSREG_REVISION); 117 devid = AR531X_REVISION_WMAC(rev); 118 name = ath_hal_probe(PCI_VENDOR_ATHEROS, devid); 119 120 printf(": %s\n", name ? name : "Unknown AR531X WLAN"); 121 122 asc->sc_iot = aa->aa_bst; 123 rv = bus_space_map(asc->sc_iot, aa->aa_addr, aa->aa_size, 0, 124 &asc->sc_ioh); 125 if (rv) { 126 aprint_error("%s: unable to map registers\n", 127 sc->sc_dev.dv_xname); 128 return; 129 } 130 131 sc->sc_st = asc->sc_iot; 132 sc->sc_sh = asc->sc_ioh; 133 sc->sc_dmat = aa->aa_dmat; 134 135 sc->sc_invalid = 1; 136 137 asc->sc_ih = arbus_intr_establish(aa->aa_irq, ath_intr, sc); 138 if (asc->sc_ih == NULL) { 139 aprint_error("%s: couldn't establish interrupt\n", 140 sc->sc_dev.dv_xname); 141 return; 142 } 143 144 if (ath_attach(devid, sc) != 0) { 145 aprint_error("%s: ath_attach failed\n", sc->sc_dev.dv_xname); 146 goto err; 147 } 148 149 hook = shutdownhook_establish(ath_arbus_shutdown, asc); 150 if (hook == NULL) { 151 aprint_error("%s: couldn't establish shutdown hook\n", 152 sc->sc_dev.dv_xname); 153 goto err; 154 } 155 156 return; 157 158 err: 159 arbus_intr_disestablish(asc->sc_ih); 160 } 161 162 static int 163 ath_arbus_detach(struct device *self, int flags) 164 { 165 struct ath_arbus_softc *asc = (struct ath_arbus_softc *)self; 166 167 ath_detach(&asc->sc_ath); 168 arbus_intr_disestablish(asc->sc_ih); 169 170 return (0); 171 } 172 173 static void 174 ath_arbus_shutdown(void *opaque) 175 { 176 struct ath_arbus_softc *asc = opaque; 177 178 ath_shutdown(&asc->sc_ath); 179 180 return; 181 } 182
Indexes created Fri Oct 03 02:09:57 GMT 2025