1/*
2 * Copyright (c) 2008-2010 Atheros Communications Inc.
3 * Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28#include "opt_ah.h"
29#include "ah.h"
30#include "ah_internal.h"
31
32#include "ah_eeprom_v4k.h"
33
34#include "ar9002/ar9285.h"
35#include "ar5416/ar5416reg.h"
36#include "ar5416/ar5416phy.h"
37#include "ar9002/ar9002phy.h"
38//#include "ar9002/ar9287phy.h"
39
40#include "ar9002/ar9287_cal.h"
41
42
43void
44ar9287PACal(struct ath_hal *ah, HAL_BOOL is_reset)
45{
46	/* XXX not required */
47}
48
49/*
50 * This is like Merlin but without ADC disable
51 */
52HAL_BOOL
53ar9287InitCalHardware(struct ath_hal *ah, const struct ieee80211_channel *chan)
54{
55	OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
56
57	/* Calibrate the AGC */
58	OS_REG_WRITE(ah, AR_PHY_AGC_CONTROL,
59	    OS_REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_CAL);
60
61	/* Poll for offset calibration complete */
62	if (!ath_hal_wait(ah, AR_PHY_AGC_CONTROL,
63	    AR_PHY_AGC_CONTROL_CAL, 0)) {
64		HALDEBUG(ah, HAL_DEBUG_RESET,
65		    "%s: offset calibration failed to complete in 1ms; "
66		    "noisy environment?\n", __func__);
67		return AH_FALSE;
68	}
69
70	OS_REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
71
72	return AH_TRUE;
73}
74