freebsd-dev/sys/dev/ath/ath_hal/ar9002/ar9287_cal.c

74 lines
2.4 KiB
C
Raw Normal View History

/*
* Copyright (c) 2008-2010 Atheros Communications Inc.
* Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include "opt_ah.h"
#include "ah.h"
#include "ah_internal.h"
#include "ah_eeprom_v4k.h"
#include "ar9002/ar9285.h"
#include "ar5416/ar5416reg.h"
#include "ar5416/ar5416phy.h"
#include "ar9002/ar9002phy.h"
//#include "ar9002/ar9287phy.h"
#include "ar9002/ar9287_cal.h"
void
ar9287PACal(struct ath_hal *ah, HAL_BOOL is_reset)
{
/* XXX not required */
}
/*
* This is like Merlin but without ADC disable
*/
HAL_BOOL
ar9287InitCalHardware(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
OS_REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
/* Calibrate the AGC */
OS_REG_WRITE(ah, AR_PHY_AGC_CONTROL,
OS_REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_CAL);
/* Poll for offset calibration complete */
if (!ath_hal_wait(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_CAL, 0)) {
HALDEBUG(ah, HAL_DEBUG_RESET,
"%s: offset calibration failed to complete in 1ms; "
"noisy environment?\n", __func__);
return AH_FALSE;
}
OS_REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
return AH_TRUE;
}