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
ar9285GetNoiseFloor(struct ath_hal * ah,int16_t nfarray[])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
ar9285RfAttach(struct ath_hal * ah,HAL_STATUS * status)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
ar9285RfProbe(struct ath_hal * ah)81 ar9285RfProbe(struct ath_hal *ah)
82 {
83 return (AR_SREV_KITE(ah));
84 }
85
86 AH_RF(RF9285, ar9285RfProbe, ar9285RfAttach);
87