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 90 /*- 91 * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr> 92 * 93 * Permission to use, copy, modify, and distribute this software for any 94 * purpose with or without fee is hereby granted, provided that the above 95 * copyright notice and this permission notice appear in all copies. 96 * 97 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 98 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 99 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 100 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 101 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 102 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 103 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 104 */ 105 #ifndef __IF_IWM_UTIL_H__ 106 #define __IF_IWM_UTIL_H__ 107 108 extern int iwm_send_cmd(struct iwm_softc *sc, struct iwm_host_cmd *hcmd); 109 extern int iwm_send_cmd_pdu(struct iwm_softc *sc, uint32_t id, 110 uint32_t flags, uint16_t len, const void *data); 111 112 extern int iwm_send_cmd_status(struct iwm_softc *sc, 113 struct iwm_host_cmd *cmd, uint32_t *status); 114 extern int iwm_send_cmd_pdu_status(struct iwm_softc *sc, uint32_t id, 115 uint16_t len, const void *data, uint32_t *status); 116 extern void iwm_free_resp(struct iwm_softc *sc, struct iwm_host_cmd *hcmd); 117 118 extern int iwm_dma_contig_alloc(bus_dma_tag_t tag, struct iwm_dma_info *dma, 119 bus_size_t size, bus_size_t alignment); 120 extern void iwm_dma_contig_free(struct iwm_dma_info *); 121 122 extern int iwm_send_lq_cmd(struct iwm_softc *sc, struct iwm_lq_cmd *lq, 123 boolean_t init); 124 125 extern boolean_t iwm_rx_diversity_allowed(struct iwm_softc *sc); 126 127 extern uint8_t iwm_ridx2rate(struct ieee80211_rateset *rs, int ridx); 128 extern int iwm_enable_txq(struct iwm_softc *sc, int sta_id, int qid, int fifo); 129 extern int iwm_flush_tx_path(struct iwm_softc *sc, uint32_t tfd_msk, 130 uint32_t flags); 131 132 static inline uint8_t 133 iwm_get_valid_tx_ant(struct iwm_softc *sc) 134 { 135 return sc->nvm_data && sc->nvm_data->valid_tx_ant ? 136 sc->sc_fw.valid_tx_ant & sc->nvm_data->valid_tx_ant : 137 sc->sc_fw.valid_tx_ant; 138 } 139 140 static inline uint8_t 141 iwm_get_valid_rx_ant(struct iwm_softc *sc) 142 { 143 return sc->nvm_data && sc->nvm_data->valid_rx_ant ? 144 sc->sc_fw.valid_rx_ant & sc->nvm_data->valid_rx_ant : 145 sc->sc_fw.valid_rx_ant; 146 } 147 148 static inline uint32_t 149 iwm_get_phy_config(struct iwm_softc *sc) 150 { 151 uint32_t phy_config = ~(IWM_FW_PHY_CFG_TX_CHAIN | 152 IWM_FW_PHY_CFG_RX_CHAIN); 153 uint32_t valid_rx_ant = iwm_get_valid_rx_ant(sc); 154 uint32_t valid_tx_ant = iwm_get_valid_tx_ant(sc); 155 156 phy_config |= valid_tx_ant << IWM_FW_PHY_CFG_TX_CHAIN_POS | 157 valid_rx_ant << IWM_FW_PHY_CFG_RX_CHAIN_POS; 158 159 return sc->sc_fw.phy_config & phy_config; 160 } 161 162 #endif /* __IF_IWM_UTIL_H__ */ 163