1 /* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */ 2 3 /* 4 * Copyright (c) 2014 genua mbh <info@genua.de> 5 * Copyright (c) 2014 Fixup Software Ltd. 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /*- 21 * Based on BSD-licensed source modules in the Linux iwlwifi driver, 22 * which were used as the reference documentation for this implementation. 23 * 24 * Driver version we are currently based off of is 25 * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd) 26 * 27 *********************************************************************** 28 * 29 * This file is provided under a dual BSD/GPLv2 license. When using or 30 * redistributing this file, you may do so under either license. 31 * 32 * GPL LICENSE SUMMARY 33 * 34 * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. 35 * 36 * This program is free software; you can redistribute it and/or modify 37 * it under the terms of version 2 of the GNU General Public License as 38 * published by the Free Software Foundation. 39 * 40 * This program is distributed in the hope that it will be useful, but 41 * WITHOUT ANY WARRANTY; without even the implied warranty of 42 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 43 * General Public License for more details. 44 * 45 * You should have received a copy of the GNU General Public License 46 * along with this program; if not, write to the Free Software 47 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 48 * USA 49 * 50 * The full GNU General Public License is included in this distribution 51 * in the file called COPYING. 52 * 53 * Contact Information: 54 * Intel Linux Wireless <ilw@linux.intel.com> 55 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 56 * 57 * 58 * BSD LICENSE 59 * 60 * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. 61 * All rights reserved. 62 * 63 * Redistribution and use in source and binary forms, with or without 64 * modification, are permitted provided that the following conditions 65 * are met: 66 * 67 * * Redistributions of source code must retain the above copyright 68 * notice, this list of conditions and the following disclaimer. 69 * * Redistributions in binary form must reproduce the above copyright 70 * notice, this list of conditions and the following disclaimer in 71 * the documentation and/or other materials provided with the 72 * distribution. 73 * * Neither the name Intel Corporation nor the names of its 74 * contributors may be used to endorse or promote products derived 75 * from this software without specific prior written permission. 76 * 77 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 78 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 79 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 80 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 81 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 82 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 83 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 84 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 85 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 86 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 87 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 88 */ 89 #include <sys/param.h> 90 #include <sys/bus.h> 91 #include <sys/endian.h> 92 #include <sys/firmware.h> 93 #include <sys/kernel.h> 94 #include <sys/malloc.h> 95 #include <sys/mbuf.h> 96 #include <sys/rman.h> 97 #include <sys/sysctl.h> 98 #include <sys/linker.h> 99 100 #include <machine/endian.h> 101 102 #include <net/bpf.h> 103 104 #include <net/if.h> 105 #include <net/if_var.h> 106 #include <net/if_arp.h> 107 #include <net/ethernet.h> 108 #include <net/if_dl.h> 109 #include <net/if_media.h> 110 #include <net/if_types.h> 111 112 #include <netinet/in.h> 113 #include <netinet/in_systm.h> 114 #include <netinet/if_ether.h> 115 #include <netinet/ip.h> 116 117 #include <netproto/802_11/ieee80211_var.h> 118 #include <netproto/802_11/ieee80211_regdomain.h> 119 #include <netproto/802_11/ieee80211_ratectl.h> 120 #include <netproto/802_11/ieee80211_radiotap.h> 121 122 #include "if_iwmreg.h" 123 #include "if_iwmvar.h" 124 #include "if_iwm_debug.h" 125 #include "if_iwm_util.h" 126 #include "if_iwm_led.h" 127 128 /* Set led register on */ 129 void 130 iwm_led_enable(struct iwm_softc *sc) 131 { 132 IWM_WRITE(sc, IWM_CSR_LED_REG, IWM_CSR_LED_REG_TURN_ON); 133 } 134 135 /* Set led register off */ 136 void 137 iwm_led_disable(struct iwm_softc *sc) 138 { 139 IWM_WRITE(sc, IWM_CSR_LED_REG, IWM_CSR_LED_REG_TURN_OFF); 140 } 141 142 static int 143 iwm_led_is_enabled(struct iwm_softc *sc) 144 { 145 return (IWM_READ(sc, IWM_CSR_LED_REG) == IWM_CSR_LED_REG_TURN_ON); 146 } 147 148 static void 149 iwm_led_blink_timeout(void *arg) 150 { 151 struct iwm_softc *sc = arg; 152 153 if (sc->sc_attached == 0) 154 return; 155 156 if (iwm_led_is_enabled(sc)) 157 iwm_led_disable(sc); 158 else 159 iwm_led_enable(sc); 160 161 callout_reset(&sc->sc_led_blink_to, (200 * hz) / 1000, 162 iwm_led_blink_timeout, sc); 163 } 164 165 void 166 iwm_led_blink_start(struct iwm_softc *sc) 167 { 168 callout_reset(&sc->sc_led_blink_to, 0, iwm_led_blink_timeout, sc); 169 } 170 171 void 172 iwm_led_blink_stop(struct iwm_softc *sc) 173 { 174 callout_stop(&sc->sc_led_blink_to); 175 iwm_led_disable(sc); 176 } 177