| 1 | /* |
| 2 | * Copyright (c) 2008-2009 Sam Leffler, Errno Consulting |
| 3 | * Copyright (c) 2008 Atheros Communications, Inc. |
| 4 | * |
| 5 | * Permission to use, copy, modify, and/or distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | * |
| 17 | * $FreeBSD: src/sys/dev/ath/ath_hal/ar5416/ar9285.c,v 1.1 2010/02/15 17:49:49 rpaulo Exp $ |
| 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 "ar5416/ar9280.h" |
| 27 | #include "ar5416/ar9285.h" |
| 28 | #include "ar5416/ar5416reg.h" |
| 29 | #include "ar5416/ar5416phy.h" |
| 30 | |
| 31 | static void |
| 32 | ar9285GetNoiseFloor(struct ath_hal *ah, int16_t nfarray[]) |
| 33 | { |
| 34 | int16_t nf; |
| 35 | |
| 36 | nf = MS(OS_REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR); |
| 37 | if (nf & 0x100) |
| 38 | nf = 0 - ((nf ^ 0x1ff) + 1); |
| 39 | HALDEBUG(ah, HAL_DEBUG_NFCAL, |
| 40 | "NF calibrated [ctl] [chain 0] is %d\n" , nf); |
| 41 | nfarray[0] = nf; |
| 42 | |
| 43 | nfarray[1] = 0; |
| 44 | |
| 45 | nf = MS(OS_REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR); |
| 46 | if (nf & 0x100) |
| 47 | nf = 0 - ((nf ^ 0x1ff) + 1); |
| 48 | HALDEBUG(ah, HAL_DEBUG_NFCAL, |
| 49 | "NF calibrated [ext] [chain 0] is %d\n" , nf); |
| 50 | nfarray[3] = nf; |
| 51 | |
| 52 | nfarray[4] = 0; |
| 53 | } |
| 54 | |
| 55 | HAL_BOOL |
| 56 | ar9285RfAttach(struct ath_hal *ah, HAL_STATUS *status) |
| 57 | { |
| 58 | if (ar9280RfAttach(ah, status) == AH_FALSE) |
| 59 | return AH_FALSE; |
| 60 | |
| 61 | AH_PRIVATE(ah)->ah_getNoiseFloor = ar9285GetNoiseFloor; |
| 62 | |
| 63 | return AH_TRUE; |
| 64 | } |
| 65 | |