if_ath_lna_div.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2013 Adrian Chadd <adrian@FreeBSD.org>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer,
   12  *    without modification.
   13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
   15  *    redistribution must be conditioned upon including a substantially
   16  *    similar Disclaimer requirement for further binary redistribution.
   17  *
   18  * NO WARRANTY
   19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
   22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
   23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
   24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
   27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   29  * THE POSSIBILITY OF SUCH DAMAGES.
   30  *
   31  * $FreeBSD$
   32  */
   33 #ifndef __IF_ATH_LNA_DIV_H__
   34 #define __IF_ATH_LNA_DIV_H__
   35 
   36 #define ATH_ANT_RX_CURRENT_SHIFT                4
   37 #define ATH_ANT_RX_MAIN_SHIFT                   2
   38 #define ATH_ANT_RX_MASK                         0x3
   39 
   40 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR        50
   41 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT    0x100
   42 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT           0x200
   43 #define ATH_ANT_DIV_COMB_INIT_COUNT             95
   44 #define ATH_ANT_DIV_COMB_MAX_COUNT              100
   45 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO          30
   46 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2         20
   47 
   48 #define ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA -1
   49 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI          -4
   50 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID         -2
   51 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW         2
   52 
   53 struct if_ath_ant_comb_state {
   54         uint16_t count;
   55         uint16_t total_pkt_count;
   56         HAL_BOOL scan;
   57         HAL_BOOL scan_not_start;
   58         int main_total_rssi;
   59         int alt_total_rssi;
   60         int alt_recv_cnt;
   61         int main_recv_cnt;
   62         int rssi_lna1;
   63         int rssi_lna2;
   64         int rssi_add;
   65         int rssi_sub;
   66         int rssi_first;
   67         int rssi_second;
   68         int rssi_third;
   69         HAL_BOOL alt_good;
   70         int quick_scan_cnt;
   71         int main_conf;
   72         HAL_ANT_DIV_COMB_LNA_CONF first_quick_scan_conf;
   73         HAL_ANT_DIV_COMB_LNA_CONF second_quick_scan_conf;
   74         int first_bias;
   75         int second_bias;
   76         HAL_BOOL first_ratio;
   77         HAL_BOOL second_ratio;
   78         unsigned long scan_start_time;
   79         int lna1_lna2_delta;
   80 };
   81 
   82 extern  int ath_lna_div_attach(struct ath_softc *sc);
   83 extern  int ath_lna_div_detach(struct ath_softc *sc);
   84 extern  int ath_lna_div_ioctl(struct ath_softc *sc, struct ath_diag *ad);
   85 extern  int ath_lna_div_enable(struct ath_softc *sc,
   86             const struct ieee80211_channel *ch);
   87 
   88 extern  void ath_lna_rx_comb_scan(struct ath_softc *sc,
   89             struct ath_rx_status *rs, unsigned long ticks, int hz);
   90 
   91 #endif  /* __IF_ATH_LNA_DIV_H__ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/ath/if_ath_lna_div.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/if_ath_lna_div.h