2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2013 Adrian Chadd <adrian@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
33 #ifndef __IF_ATH_LNA_DIV_H__
34 #define __IF_ATH_LNA_DIV_H__
36 #define ATH_ANT_RX_CURRENT_SHIFT 4
37 #define ATH_ANT_RX_MAIN_SHIFT 2
38 #define ATH_ANT_RX_MASK 0x3
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
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
53 struct if_ath_ant_comb_state {
55 uint16_t total_pkt_count;
57 HAL_BOOL scan_not_start;
72 HAL_ANT_DIV_COMB_LNA_CONF first_quick_scan_conf;
73 HAL_ANT_DIV_COMB_LNA_CONF second_quick_scan_conf;
77 HAL_BOOL second_ratio;
78 unsigned long scan_start_time;
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);
88 extern void ath_lna_rx_comb_scan(struct ath_softc *sc,
89 struct ath_rx_status *rs, unsigned long ticks, int hz);
91 #endif /* __IF_ATH_LNA_DIV_H__ */