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__ */ 92