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: releng/12.0/sys/dev/ath/ath_hal/ar9002/ar9285.c 326695 2017-12-08 15:57:29Z pfg $
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 */
43static void
44ar9285GetNoiseFloor(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
71HAL_BOOL
72ar9285RfAttach(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
82static HAL_BOOL
83ar9285RfProbe(struct ath_hal *ah)
84{
85	return (AR_SREV_KITE(ah));
86}
87
88AH_RF(RF9285, ar9285RfProbe, ar9285RfAttach);
89