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
ar9285GetNoiseFloor(struct ath_hal * ah,int16_t nfarray[])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
ar9285RfAttach(struct ath_hal * ah,HAL_STATUS * status)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