2 * SPDX-License-Identifier: ISC
4 * Copyright (c) 2008-2009 Sam Leffler, Errno Consulting
5 * Copyright (c) 2008 Atheros Communications, Inc.
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 #include "ah_internal.h"
26 #include "ah_eeprom_v14.h"
28 #include "ar9002/ar9280.h"
29 #include "ar9002/ar9285.h"
30 #include "ar5416/ar5416reg.h"
31 #include "ar5416/ar5416phy.h"
34 * The ordering of nfarray is thus:
36 * nfarray[0]: Chain 0 ctl
37 * nfarray[1]: Chain 1 ctl
38 * nfarray[2]: Chain 2 ctl
39 * nfarray[3]: Chain 0 ext
40 * nfarray[4]: Chain 1 ext
41 * nfarray[5]: Chain 2 ext
44 ar9285GetNoiseFloor(struct ath_hal *ah, int16_t nfarray[])
48 nf = MS(OS_REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
50 nf = 0 - ((nf ^ 0x1ff) + 1);
51 HALDEBUG(ah, HAL_DEBUG_NFCAL,
52 "NF calibrated [ctl] [chain 0] is %d\n", nf);
56 nf = MS(OS_REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
58 nf = 0 - ((nf ^ 0x1ff) + 1);
59 HALDEBUG(ah, HAL_DEBUG_NFCAL,
60 "NF calibrated [ext] [chain 0] is %d\n", nf);
63 /* Chain 1 - invalid */
67 /* Chain 2 - invalid */
73 ar9285RfAttach(struct ath_hal *ah, HAL_STATUS *status)
75 if (ar9280RfAttach(ah, status) == AH_FALSE)
78 AH_PRIVATE(ah)->ah_getNoiseFloor = ar9285GetNoiseFloor;
84 ar9285RfProbe(struct ath_hal *ah)
86 return (AR_SREV_KITE(ah));
89 AH_RF(RF9285, ar9285RfProbe, ar9285RfAttach);