1 /* 2 * Copyright (c) 2008-2010 Atheros Communications Inc. 3 * Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 #ifndef __AR9285_DIVERSITY_H__ 29 #define __AR9285_DIVERSITY_H__ 30 31 /* Antenna diversity/combining */ 32 #define ATH_ANT_RX_CURRENT_SHIFT 4 33 #define ATH_ANT_RX_MAIN_SHIFT 2 34 #define ATH_ANT_RX_MASK 0x3 35 36 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50 37 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100 38 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200 39 #define ATH_ANT_DIV_COMB_INIT_COUNT 95 40 #define ATH_ANT_DIV_COMB_MAX_COUNT 100 41 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30 42 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20 43 44 #define ATH_ANT_DIV_COMB_LNA1_LNA2_DELTA -3 45 #define ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA -1 46 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4 47 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2 48 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2 49 50 extern void ar9285_ant_comb_scan(struct ath_hal *ah, struct ath_rx_status *rs, 51 unsigned long ticks, int hz); 52 53 #endif 54