ar9285.c

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    1 /*-
    2  * SPDX-License-Identifier: ISC
    3  *
    4  * Copyright (c) 2008-2009 Sam Leffler, Errno Consulting
    5  * Copyright (c) 2008 Atheros Communications, Inc.
    6  *
    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.
   10  *
   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.
   18  *
   19  * $FreeBSD$
   20  */
   21 #include "opt_ah.h"
   22 
   23 #include "ah.h"
   24 #include "ah_internal.h"
   25 
   26 #include "ah_eeprom_v14.h"
   27 
   28 #include "ar9002/ar9280.h"
   29 #include "ar9002/ar9285.h"
   30 #include "ar5416/ar5416reg.h"
   31 #include "ar5416/ar5416phy.h"
   32 
   33 /*
   34  * The ordering of nfarray is thus:
   35  *
   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
   42  */
   43 static void
   44 ar9285GetNoiseFloor(struct ath_hal *ah, int16_t nfarray[])
   45 {
   46         int16_t nf;
   47 
   48         nf = MS(OS_REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
   49         if (nf & 0x100)
   50                 nf = 0 - ((nf ^ 0x1ff) + 1);
   51         HALDEBUG(ah, HAL_DEBUG_NFCAL,
   52             "NF calibrated [ctl] [chain 0] is %d\n", nf);
   53         nfarray[0] = nf;
   54 
   55         nf = MS(OS_REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
   56         if (nf & 0x100)
   57                 nf = 0 - ((nf ^ 0x1ff) + 1);
   58         HALDEBUG(ah, HAL_DEBUG_NFCAL,
   59             "NF calibrated [ext] [chain 0] is %d\n", nf);
   60         nfarray[3] = nf;
   61 
   62         /* Chain 1 - invalid */
   63         nfarray[1] = 0;
   64         nfarray[4] = 0;
   65 
   66         /* Chain 2 - invalid */
   67         nfarray[2] = 0;
   68         nfarray[5] = 0;
   69 }
   70 
   71 HAL_BOOL
   72 ar9285RfAttach(struct ath_hal *ah, HAL_STATUS *status)
   73 {
   74         if (ar9280RfAttach(ah, status) == AH_FALSE)
   75                 return AH_FALSE;
   76 
   77         AH_PRIVATE(ah)->ah_getNoiseFloor = ar9285GetNoiseFloor;
   78 
   79         return AH_TRUE;
   80 }
   81 
   82 static HAL_BOOL
   83 ar9285RfProbe(struct ath_hal *ah)
   84 {
   85         return (AR_SREV_KITE(ah));
   86 }
   87 
   88 AH_RF(RF9285, ar9285RfProbe, ar9285RfAttach);

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FreeBSD/Linux Kernel Cross Reference sys/dev/ath/ath_hal/ar9002/ar9285.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/ath_hal/ar9002/ar9285.c