163 lines
6.7 KiB
C
163 lines
6.7 KiB
C
/* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */
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/*
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* Copyright (c) 2014 genua mbh <info@genua.de>
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* Copyright (c) 2014 Fixup Software Ltd.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*-
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* Based on BSD-licensed source modules in the Linux iwlwifi driver,
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* which were used as the reference documentation for this implementation.
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*
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* Driver version we are currently based off of is
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* Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd)
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*
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***********************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*
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* BSD LICENSE
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*
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* Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __IF_IWM_UTIL_H__
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#define __IF_IWM_UTIL_H__
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extern int iwm_send_cmd(struct iwm_softc *sc, struct iwm_host_cmd *hcmd);
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extern int iwm_send_cmd_pdu(struct iwm_softc *sc, uint32_t id,
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uint32_t flags, uint16_t len, const void *data);
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extern int iwm_send_cmd_status(struct iwm_softc *sc,
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struct iwm_host_cmd *cmd, uint32_t *status);
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extern int iwm_send_cmd_pdu_status(struct iwm_softc *sc, uint32_t id,
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uint16_t len, const void *data, uint32_t *status);
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extern void iwm_free_resp(struct iwm_softc *sc, struct iwm_host_cmd *hcmd);
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extern int iwm_dma_contig_alloc(bus_dma_tag_t tag, struct iwm_dma_info *dma,
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bus_size_t size, bus_size_t alignment);
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extern void iwm_dma_contig_free(struct iwm_dma_info *);
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extern int iwm_send_lq_cmd(struct iwm_softc *sc, struct iwm_lq_cmd *lq,
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boolean_t init);
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extern boolean_t iwm_rx_diversity_allowed(struct iwm_softc *sc);
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extern uint8_t iwm_ridx2rate(struct ieee80211_rateset *rs, int ridx);
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extern int iwm_enable_txq(struct iwm_softc *sc, int sta_id, int qid, int fifo);
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extern int iwm_flush_tx_path(struct iwm_softc *sc, uint32_t tfd_msk,
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uint32_t flags);
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static inline uint8_t
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iwm_get_valid_tx_ant(struct iwm_softc *sc)
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{
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return sc->nvm_data && sc->nvm_data->valid_tx_ant ?
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sc->sc_fw.valid_tx_ant & sc->nvm_data->valid_tx_ant :
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sc->sc_fw.valid_tx_ant;
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}
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static inline uint8_t
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iwm_get_valid_rx_ant(struct iwm_softc *sc)
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{
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return sc->nvm_data && sc->nvm_data->valid_rx_ant ?
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sc->sc_fw.valid_rx_ant & sc->nvm_data->valid_rx_ant :
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sc->sc_fw.valid_rx_ant;
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}
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static inline uint32_t
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iwm_get_phy_config(struct iwm_softc *sc)
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{
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uint32_t phy_config = ~(IWM_FW_PHY_CFG_TX_CHAIN |
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IWM_FW_PHY_CFG_RX_CHAIN);
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uint32_t valid_rx_ant = iwm_get_valid_rx_ant(sc);
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uint32_t valid_tx_ant = iwm_get_valid_tx_ant(sc);
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phy_config |= valid_tx_ant << IWM_FW_PHY_CFG_TX_CHAIN_POS |
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valid_rx_ant << IWM_FW_PHY_CFG_RX_CHAIN_POS;
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return sc->sc_fw.phy_config & phy_config;
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}
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#endif /* __IF_IWM_UTIL_H__ */
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