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/cdefs.h> 90#include "opt_wlan.h" 91#include "opt_iwm.h" 92 93#include <sys/param.h> 94#include <sys/bus.h> 95#include <sys/endian.h> 96#include <sys/firmware.h> 97#include <sys/kernel.h> 98#include <sys/malloc.h> 99#include <sys/mbuf.h> 100#include <sys/mutex.h> 101#include <sys/module.h> 102#include <sys/proc.h> 103#include <sys/rman.h> 104#include <sys/socket.h> 105#include <sys/sockio.h> 106#include <sys/sysctl.h> 107#include <sys/linker.h> 108 109#include <machine/endian.h> 110#include <machine/bus.h> 111 112#include <net/bpf.h> 113 114#include <net/if.h> 115#include <net/if_var.h> 116#include <net/if_arp.h> 117#include <net/ethernet.h> 118#include <net/if_dl.h> 119#include <net/if_media.h> 120#include <net/if_types.h> 121 122#include <netinet/in.h> 123#include <netinet/in_systm.h> 124#include <netinet/if_ether.h> 125#include <netinet/ip.h> 126 127#include <net80211/ieee80211_var.h> 128#include <net80211/ieee80211_regdomain.h> 129#include <net80211/ieee80211_ratectl.h> 130#include <net80211/ieee80211_radiotap.h> 131 132#include <dev/iwm/if_iwmreg.h> 133#include <dev/iwm/if_iwmvar.h> 134#include <dev/iwm/if_iwm_debug.h> 135#include <dev/iwm/if_iwm_util.h> 136#include <dev/iwm/if_iwm_led.h> 137 138/* Set led register on */ 139void 140iwm_led_enable(struct iwm_softc *sc) 141{ 142 IWM_WRITE(sc, IWM_CSR_LED_REG, IWM_CSR_LED_REG_TURN_ON); 143} 144 145/* Set led register off */ 146void 147iwm_led_disable(struct iwm_softc *sc) 148{ 149 IWM_WRITE(sc, IWM_CSR_LED_REG, IWM_CSR_LED_REG_TURN_OFF); 150} 151 152static int 153iwm_led_is_enabled(struct iwm_softc *sc) 154{ 155 return (IWM_READ(sc, IWM_CSR_LED_REG) == IWM_CSR_LED_REG_TURN_ON); 156} 157 158static void 159iwm_led_blink_timeout(void *arg) 160{ 161 struct iwm_softc *sc = arg; 162 163 if (sc->sc_attached == 0) 164 return; 165 166 if (iwm_led_is_enabled(sc)) 167 iwm_led_disable(sc); 168 else 169 iwm_led_enable(sc); 170 171 callout_reset(&sc->sc_led_blink_to, (200 * hz) / 1000, 172 iwm_led_blink_timeout, sc); 173} 174 175void 176iwm_led_blink_start(struct iwm_softc *sc) 177{ 178 callout_reset(&sc->sc_led_blink_to, 0, iwm_led_blink_timeout, sc); 179} 180 181void 182iwm_led_blink_stop(struct iwm_softc *sc) 183{ 184 callout_stop(&sc->sc_led_blink_to); 185 iwm_led_disable(sc); 186} 187