if_ath_arbus.c revision 1.13
1 /* $NetBSD: if_ath_arbus.c,v 1.13 2008/04/28 20:23:28 martin 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: if_ath_arbus.c,v 1.13 2008/04/28 20:23:28 martin Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 #include <sys/mbuf.h> 36 #include <sys/malloc.h> 37 #include <sys/kernel.h> 38 #include <sys/errno.h> 39 40 #include <machine/bus.h> 41 #include <machine/intr.h> 42 43 #include <net/if.h> 44 #include <net/if_media.h> 45 #include <net/if_ether.h> 46 #include <net/if_llc.h> 47 #include <net/if_arp.h> 48 49 #include <netinet/in.h> 50 51 #include <net80211/ieee80211_netbsd.h> 52 #include <net80211/ieee80211_var.h> 53 54 #include <mips/atheros/include/ar531xvar.h> 55 #include <mips/atheros/include/arbusvar.h> 56 57 #include <dev/pci/pcidevs.h> 58 #include <dev/ic/ath_netbsd.h> 59 #include <dev/ic/athvar.h> 60 #include <contrib/dev/ath/ah.h> 61 #include <contrib/dev/ath/ah_soc.h> /* XXX really doesn't belong in hal */ 62 63 struct ath_arbus_softc { 64 struct ath_softc sc_ath; 65 bus_space_tag_t sc_iot; 66 bus_space_handle_t sc_ioh; 67 void *sc_ih; 68 struct ar531x_config sc_config; 69 }; 70 71 static int ath_arbus_match(device_t, struct cfdata *, void *); 72 static void ath_arbus_attach(device_t, device_t, void *); 73 static int ath_arbus_detach(device_t, int); 74 75 CFATTACH_DECL(ath_arbus, sizeof(struct ath_arbus_softc), 76 ath_arbus_match, ath_arbus_attach, ath_arbus_detach, NULL); 77 78 static int 79 ath_arbus_match(device_t parent, struct cfdata *cf, void *opaque) 80 { 81 struct arbus_attach_args *aa; 82 83 aa = (struct arbus_attach_args *)opaque; 84 if (strcmp(aa->aa_name, "ath") == 0) 85 return 1; 86 87 return 0; 88 } 89 90 static bool 91 ath_arbus_resume(device_t dv PMF_FN_ARGS) 92 { 93 struct ath_arbus_softc *asc = device_private(dv); 94 ath_resume(&asc->sc_ath); 95 96 return true; 97 } 98 99 100 static void 101 ath_arbus_attach(device_t parent, device_t self, void *opaque) 102 { 103 struct ath_arbus_softc *asc; 104 struct ath_softc *sc; 105 struct arbus_attach_args *aa; 106 const char *name; 107 prop_number_t prop; 108 int rv; 109 uint16_t devid; 110 111 asc = device_private(self); 112 sc = &asc->sc_ath; 113 aa = (struct arbus_attach_args *)opaque; 114 115 prop = prop_dictionary_get(device_properties(&sc->sc_dev), 116 "wmac-rev"); 117 if (prop == NULL) { 118 printf(": unable to get wmac-rev property\n"); 119 return; 120 } 121 KDASSERT(prop_object_type(prop) == PROP_TYPE_NUMBER); 122 123 devid = (uint16_t)prop_number_integer_value(prop); 124 name = ath_hal_probe(PCI_VENDOR_ATHEROS, devid); 125 126 printf(": %s\n", name ? name : "Unknown AR531X WLAN"); 127 128 asc->sc_iot = aa->aa_bst; 129 rv = bus_space_map(asc->sc_iot, aa->aa_addr, aa->aa_size, 0, 130 &asc->sc_ioh); 131 if (rv) { 132 aprint_error("%s: unable to map registers\n", 133 sc->sc_dev.dv_xname); 134 return; 135 } 136 /* 137 * Setup HAL configuration state for use by the driver. 138 */ 139 rv = ar531x_board_config(&asc->sc_config); 140 if (rv) { 141 aprint_error("%s: unable to locate board configuration\n", 142 sc->sc_dev.dv_xname); 143 return; 144 } 145 asc->sc_config.unit = sc->sc_dev.dv_unit; /* XXX? */ 146 asc->sc_config.tag = asc->sc_iot; 147 148 /* NB: the HAL expects the config state passed as the tag */ 149 sc->sc_st = (HAL_BUS_TAG) &asc->sc_config; 150 sc->sc_sh = (HAL_BUS_HANDLE) asc->sc_ioh; 151 sc->sc_dmat = aa->aa_dmat; 152 153 asc->sc_ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, ath_intr, 154 sc); 155 if (asc->sc_ih == NULL) { 156 aprint_error("%s: couldn't establish interrupt\n", 157 sc->sc_dev.dv_xname); 158 return; 159 } 160 161 ATH_LOCK_INIT(sc); 162 163 if (!pmf_device_register(self, NULL, ath_arbus_resume)) 164 aprint_error_dev(self, "couldn't establish power handler\n"); 165 else 166 pmf_class_network_register(self, &sc->sc_if); 167 168 if (ath_attach(devid, sc) != 0) { 169 aprint_error("%s: ath_attach failed\n", sc->sc_dev.dv_xname); 170 goto err; 171 } 172 173 return; 174 175 err: 176 arbus_intr_disestablish(asc->sc_ih); 177 } 178 179 static int 180 ath_arbus_detach(device_t self, int flags) 181 { 182 struct ath_arbus_softc *asc = device_private(self); 183 184 ath_detach(&asc->sc_ath); 185 arbus_intr_disestablish(asc->sc_ih); 186 187 return (0); 188 } 189
Indexes created Fri Oct 03 02:09:57 GMT 2025