1 /* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */ 2 /* $FreeBSD$ */ 3 4 /* 5 * Copyright (c) 2014 genua mbh <info@genua.de> 6 * Copyright (c) 2014 Fixup Software Ltd. 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 /*- 22 * Based on BSD-licensed source modules in the Linux iwlwifi driver, 23 * which were used as the reference documentation for this implementation. 24 * 25 * Driver version we are currently based off of is 26 * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd) 27 * 28 *********************************************************************** 29 * 30 * This file is provided under a dual BSD/GPLv2 license. When using or 31 * redistributing this file, you may do so under either license. 32 * 33 * GPL LICENSE SUMMARY 34 * 35 * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. 36 * 37 * This program is free software; you can redistribute it and/or modify 38 * it under the terms of version 2 of the GNU General Public License as 39 * published by the Free Software Foundation. 40 * 41 * This program is distributed in the hope that it will be useful, but 42 * WITHOUT ANY WARRANTY; without even the implied warranty of 43 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 44 * General Public License for more details. 45 * 46 * You should have received a copy of the GNU General Public License 47 * along with this program; if not, write to the Free Software 48 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 49 * USA 50 * 51 * The full GNU General Public License is included in this distribution 52 * in the file called COPYING. 53 * 54 * Contact Information: 55 * Intel Linux Wireless <ilw@linux.intel.com> 56 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 57 * 58 * 59 * BSD LICENSE 60 * 61 * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. 62 * All rights reserved. 63 * 64 * Redistribution and use in source and binary forms, with or without 65 * modification, are permitted provided that the following conditions 66 * are met: 67 * 68 * * Redistributions of source code must retain the above copyright 69 * notice, this list of conditions and the following disclaimer. 70 * * Redistributions in binary form must reproduce the above copyright 71 * notice, this list of conditions and the following disclaimer in 72 * the documentation and/or other materials provided with the 73 * distribution. 74 * * Neither the name Intel Corporation nor the names of its 75 * contributors may be used to endorse or promote products derived 76 * from this software without specific prior written permission. 77 * 78 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 79 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 80 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 81 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 82 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 83 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 84 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 85 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 86 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 87 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 88 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 89 */ 90 91 /*- 92 * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr> 93 * 94 * Permission to use, copy, modify, and distribute this software for any 95 * purpose with or without fee is hereby granted, provided that the above 96 * copyright notice and this permission notice appear in all copies. 97 * 98 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 99 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 100 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 101 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 102 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 103 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 104 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 105 */ 106 #ifndef __IF_IWM_UTIL_H__ 107 #define __IF_IWM_UTIL_H__ 108 109 extern int iwm_send_cmd(struct iwm_softc *sc, struct iwm_host_cmd *hcmd); 110 extern int iwm_send_cmd_pdu(struct iwm_softc *sc, uint32_t id, 111 uint32_t flags, uint16_t len, const void *data); 112 113 extern int iwm_send_cmd_status(struct iwm_softc *sc, 114 struct iwm_host_cmd *cmd, uint32_t *status); 115 extern int iwm_send_cmd_pdu_status(struct iwm_softc *sc, uint32_t id, 116 uint16_t len, const void *data, uint32_t *status); 117 extern void iwm_free_resp(struct iwm_softc *sc, struct iwm_host_cmd *hcmd); 118 119 extern int iwm_dma_contig_alloc(bus_dma_tag_t tag, struct iwm_dma_info *dma, 120 bus_size_t size, bus_size_t alignment); 121 extern void iwm_dma_contig_free(struct iwm_dma_info *); 122 123 extern int iwm_send_lq_cmd(struct iwm_softc *sc, struct iwm_lq_cmd *lq, 124 boolean_t init); 125 126 extern boolean_t iwm_rx_diversity_allowed(struct iwm_softc *sc); 127 128 extern uint8_t iwm_ridx2rate(struct ieee80211_rateset *rs, int ridx); 129 extern int iwm_enable_txq(struct iwm_softc *sc, int sta_id, int qid, int fifo); 130 extern int iwm_flush_tx_path(struct iwm_softc *sc, uint32_t tfd_msk, 131 uint32_t flags); 132 133 static inline uint8_t 134 iwm_get_valid_tx_ant(struct iwm_softc *sc) 135 { 136 return sc->nvm_data && sc->nvm_data->valid_tx_ant ? 137 sc->sc_fw.valid_tx_ant & sc->nvm_data->valid_tx_ant : 138 sc->sc_fw.valid_tx_ant; 139 } 140 141 static inline uint8_t 142 iwm_get_valid_rx_ant(struct iwm_softc *sc) 143 { 144 return sc->nvm_data && sc->nvm_data->valid_rx_ant ? 145 sc->sc_fw.valid_rx_ant & sc->nvm_data->valid_rx_ant : 146 sc->sc_fw.valid_rx_ant; 147 } 148 149 static inline uint32_t 150 iwm_get_phy_config(struct iwm_softc *sc) 151 { 152 uint32_t phy_config = ~(IWM_FW_PHY_CFG_TX_CHAIN | 153 IWM_FW_PHY_CFG_RX_CHAIN); 154 uint32_t valid_rx_ant = iwm_get_valid_rx_ant(sc); 155 uint32_t valid_tx_ant = iwm_get_valid_tx_ant(sc); 156 157 phy_config |= valid_tx_ant << IWM_FW_PHY_CFG_TX_CHAIN_POS | 158 valid_rx_ant << IWM_FW_PHY_CFG_RX_CHAIN_POS; 159 160 return sc->sc_fw.phy_config & phy_config; 161 } 162 163 #endif /* __IF_IWM_UTIL_H__ */ 164