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); 89