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 #include "opt_ah.h" 20 21 #include "ah.h" 22 #include "ah_internal.h" 23 24 #include "ah_eeprom_v14.h" 25 26 #include "ar9002/ar9280.h" 27 #include "ar9002/ar9285.h" 28 #include "ar5416/ar5416reg.h" 29 #include "ar5416/ar5416phy.h" 30 31 /* 32 * The ordering of nfarray is thus: 33 * 34 * nfarray[0]: Chain 0 ctl 35 * nfarray[1]: Chain 1 ctl 36 * nfarray[2]: Chain 2 ctl 37 * nfarray[3]: Chain 0 ext 38 * nfarray[4]: Chain 1 ext 39 * nfarray[5]: Chain 2 ext 40 */ 41 static void 42 ar9285GetNoiseFloor(struct ath_hal *ah, int16_t nfarray[]) 43 { 44 int16_t nf; 45 46 nf = MS(OS_REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR); 47 if (nf & 0x100) 48 nf = 0 - ((nf ^ 0x1ff) + 1); 49 HALDEBUG(ah, HAL_DEBUG_NFCAL, 50 "NF calibrated [ctl] [chain 0] is %d\n", nf); 51 nfarray[0] = nf; 52 53 nf = MS(OS_REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR); 54 if (nf & 0x100) 55 nf = 0 - ((nf ^ 0x1ff) + 1); 56 HALDEBUG(ah, HAL_DEBUG_NFCAL, 57 "NF calibrated [ext] [chain 0] is %d\n", nf); 58 nfarray[3] = nf; 59 60 /* Chain 1 - invalid */ 61 nfarray[1] = 0; 62 nfarray[4] = 0; 63 64 /* Chain 2 - invalid */ 65 nfarray[2] = 0; 66 nfarray[5] = 0; 67 } 68 69 HAL_BOOL 70 ar9285RfAttach(struct ath_hal *ah, HAL_STATUS *status) 71 { 72 if (ar9280RfAttach(ah, status) == AH_FALSE) 73 return AH_FALSE; 74 75 AH_PRIVATE(ah)->ah_getNoiseFloor = ar9285GetNoiseFloor; 76 77 return AH_TRUE; 78 } 79 80 static HAL_BOOL 81 ar9285RfProbe(struct ath_hal *ah) 82 { 83 return (AR_SREV_KITE(ah)); 84 } 85 86 AH_RF(RF9285, ar9285RfProbe, ar9285RfAttach); 87