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f-stack/freebsd/contrib/ncsw/Peripherals/FM/Rtc/fm_rtc.c

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/*
* Copyright 2008-2012 Freescale Semiconductor Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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.
*/
/******************************************************************************
@File fm_rtc.c
@Description FM RTC driver implementation.
@Cautions None
*//***************************************************************************/
#include <linux/math64.h>
#include "error_ext.h"
#include "debug_ext.h"
#include "string_ext.h"
#include "part_ext.h"
#include "xx_ext.h"
#include "ncsw_ext.h"
#include "fm_rtc.h"
#include "fm_common.h"
/*****************************************************************************/
static t_Error CheckInitParameters(t_FmRtc *p_Rtc)
{
struct rtc_cfg *p_RtcDriverParam = p_Rtc->p_RtcDriverParam;
int i;
if ((p_RtcDriverParam->src_clk != E_FMAN_RTC_SOURCE_CLOCK_EXTERNAL) &&
(p_RtcDriverParam->src_clk != E_FMAN_RTC_SOURCE_CLOCK_SYSTEM) &&
(p_RtcDriverParam->src_clk != E_FMAN_RTC_SOURCE_CLOCK_OSCILATOR))
RETURN_ERROR(MAJOR, E_INVALID_CLOCK, ("Source clock undefined"));
if (p_Rtc->outputClockDivisor == 0)
{
RETURN_ERROR(MAJOR, E_INVALID_VALUE,
("Divisor for output clock (should be positive)"));
}
for (i=0; i < FM_RTC_NUM_OF_ALARMS; i++)
{
if ((p_RtcDriverParam->alarm_polarity[i] != E_FMAN_RTC_ALARM_POLARITY_ACTIVE_LOW) &&
(p_RtcDriverParam->alarm_polarity[i] != E_FMAN_RTC_ALARM_POLARITY_ACTIVE_HIGH))
{
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("Alarm %d signal polarity", i));
}
}
for (i=0; i < FM_RTC_NUM_OF_EXT_TRIGGERS; i++)
{
if ((p_RtcDriverParam->trigger_polarity[i] != E_FMAN_RTC_TRIGGER_ON_FALLING_EDGE) &&
(p_RtcDriverParam->trigger_polarity[i] != E_FMAN_RTC_TRIGGER_ON_RISING_EDGE))
{
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("Trigger %d signal polarity", i));
}
}
return E_OK;
}
/*****************************************************************************/
static void RtcExceptions(t_Handle h_FmRtc)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
struct rtc_regs *p_MemMap;
register uint32_t events;
ASSERT_COND(p_Rtc);
p_MemMap = p_Rtc->p_MemMap;
events = fman_rtc_check_and_clear_event(p_MemMap);
if (events & FMAN_RTC_TMR_TEVENT_ALM1)
{
if (p_Rtc->alarmParams[0].clearOnExpiration)
{
fman_rtc_set_timer_alarm_l(p_MemMap, 0, 0);
fman_rtc_disable_interupt(p_MemMap, FMAN_RTC_TMR_TEVENT_ALM1);
}
ASSERT_COND(p_Rtc->alarmParams[0].f_AlarmCallback);
p_Rtc->alarmParams[0].f_AlarmCallback(p_Rtc->h_App, 0);
}
if (events & FMAN_RTC_TMR_TEVENT_ALM2)
{
if (p_Rtc->alarmParams[1].clearOnExpiration)
{
fman_rtc_set_timer_alarm_l(p_MemMap, 1, 0);
fman_rtc_disable_interupt(p_MemMap, FMAN_RTC_TMR_TEVENT_ALM2);
}
ASSERT_COND(p_Rtc->alarmParams[1].f_AlarmCallback);
p_Rtc->alarmParams[1].f_AlarmCallback(p_Rtc->h_App, 1);
}
if (events & FMAN_RTC_TMR_TEVENT_PP1)
{
ASSERT_COND(p_Rtc->periodicPulseParams[0].f_PeriodicPulseCallback);
p_Rtc->periodicPulseParams[0].f_PeriodicPulseCallback(p_Rtc->h_App, 0);
}
if (events & FMAN_RTC_TMR_TEVENT_PP2)
{
ASSERT_COND(p_Rtc->periodicPulseParams[1].f_PeriodicPulseCallback);
p_Rtc->periodicPulseParams[1].f_PeriodicPulseCallback(p_Rtc->h_App, 1);
}
if (events & FMAN_RTC_TMR_TEVENT_ETS1)
{
ASSERT_COND(p_Rtc->externalTriggerParams[0].f_ExternalTriggerCallback);
p_Rtc->externalTriggerParams[0].f_ExternalTriggerCallback(p_Rtc->h_App, 0);
}
if (events & FMAN_RTC_TMR_TEVENT_ETS2)
{
ASSERT_COND(p_Rtc->externalTriggerParams[1].f_ExternalTriggerCallback);
p_Rtc->externalTriggerParams[1].f_ExternalTriggerCallback(p_Rtc->h_App, 1);
}
}
/*****************************************************************************/
t_Handle FM_RTC_Config(t_FmRtcParams *p_FmRtcParam)
{
t_FmRtc *p_Rtc;
SANITY_CHECK_RETURN_VALUE(p_FmRtcParam, E_NULL_POINTER, NULL);
/* Allocate memory for the FM RTC driver parameters */
p_Rtc = (t_FmRtc *)XX_Malloc(sizeof(t_FmRtc));
if (!p_Rtc)
{
REPORT_ERROR(MAJOR, E_NO_MEMORY, ("FM RTC driver structure"));
return NULL;
}
memset(p_Rtc, 0, sizeof(t_FmRtc));
/* Allocate memory for the FM RTC driver parameters */
p_Rtc->p_RtcDriverParam = (struct rtc_cfg *)XX_Malloc(sizeof(struct rtc_cfg));
if (!p_Rtc->p_RtcDriverParam)
{
REPORT_ERROR(MAJOR, E_NO_MEMORY, ("FM RTC driver parameters"));
XX_Free(p_Rtc);
return NULL;
}
memset(p_Rtc->p_RtcDriverParam, 0, sizeof(struct rtc_cfg));
/* Store RTC configuration parameters */
p_Rtc->h_Fm = p_FmRtcParam->h_Fm;
/* Set default RTC configuration parameters */
fman_rtc_defconfig(p_Rtc->p_RtcDriverParam);
p_Rtc->outputClockDivisor = DEFAULT_OUTPUT_CLOCK_DIVISOR;
p_Rtc->p_RtcDriverParam->bypass = DEFAULT_BYPASS;
p_Rtc->clockPeriodNanoSec = DEFAULT_CLOCK_PERIOD; /* 1 usec */
/* Store RTC parameters in the RTC control structure */
p_Rtc->p_MemMap = (struct rtc_regs *)UINT_TO_PTR(p_FmRtcParam->baseAddress);
p_Rtc->h_App = p_FmRtcParam->h_App;
return p_Rtc;
}
/*****************************************************************************/
t_Error FM_RTC_Init(t_Handle h_FmRtc)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
struct rtc_cfg *p_RtcDriverParam;
struct rtc_regs *p_MemMap;
uint32_t freqCompensation = 0;
uint64_t tmpDouble;
bool init_freq_comp = FALSE;
p_RtcDriverParam = p_Rtc->p_RtcDriverParam;
p_MemMap = p_Rtc->p_MemMap;
if (CheckInitParameters(p_Rtc)!=E_OK)
RETURN_ERROR(MAJOR, E_CONFLICT,
("Init Parameters are not Valid"));
/* TODO check that no timestamping MACs are working in this stage. */
/* find source clock frequency in Mhz */
if (p_Rtc->p_RtcDriverParam->src_clk != E_FMAN_RTC_SOURCE_CLOCK_SYSTEM)
p_Rtc->srcClkFreqMhz = p_Rtc->p_RtcDriverParam->ext_src_clk_freq;
else
p_Rtc->srcClkFreqMhz = (uint32_t)(FmGetMacClockFreq(p_Rtc->h_Fm));
/* if timer in Master mode Initialize TMR_CTRL */
/* We want the counter (TMR_CNT) to count in nano-seconds */
if (!p_RtcDriverParam->timer_slave_mode && p_Rtc->p_RtcDriverParam->bypass)
p_Rtc->clockPeriodNanoSec = (1000 / p_Rtc->srcClkFreqMhz);
else
{
/* Initialize TMR_ADD with the initial frequency compensation value:
freqCompensation = (2^32 / frequency ratio) */
/* frequency ratio = sorce clock/rtc clock =
* (p_Rtc->srcClkFreqMhz*1000000))/ 1/(p_Rtc->clockPeriodNanoSec * 1000000000) */
init_freq_comp = TRUE;
freqCompensation = (uint32_t)DIV_CEIL(ACCUMULATOR_OVERFLOW * 1000,
p_Rtc->clockPeriodNanoSec * p_Rtc->srcClkFreqMhz);
}
/* check the legality of the relation between source and destination clocks */
/* should be larger than 1.0001 */
tmpDouble = 10000 * (uint64_t)p_Rtc->clockPeriodNanoSec * (uint64_t)p_Rtc->srcClkFreqMhz;
if ((tmpDouble) <= 10001)
RETURN_ERROR(MAJOR, E_CONFLICT,
("Invalid relation between source and destination clocks. Should be larger than 1.0001"));
fman_rtc_init(p_RtcDriverParam,
p_MemMap,
FM_RTC_NUM_OF_ALARMS,
FM_RTC_NUM_OF_PERIODIC_PULSES,
FM_RTC_NUM_OF_EXT_TRIGGERS,
init_freq_comp,
freqCompensation,
p_Rtc->outputClockDivisor);
/* Register the FM RTC interrupt */
FmRegisterIntr(p_Rtc->h_Fm, e_FM_MOD_TMR, 0, e_FM_INTR_TYPE_NORMAL, RtcExceptions , p_Rtc);
/* Free parameters structures */
XX_Free(p_Rtc->p_RtcDriverParam);
p_Rtc->p_RtcDriverParam = NULL;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_Free(t_Handle h_FmRtc)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
if (p_Rtc->p_RtcDriverParam)
{
XX_Free(p_Rtc->p_RtcDriverParam);
}
else
{
FM_RTC_Disable(h_FmRtc);
}
/* Unregister FM RTC interrupt */
FmUnregisterIntr(p_Rtc->h_Fm, e_FM_MOD_TMR, 0, e_FM_INTR_TYPE_NORMAL);
XX_Free(p_Rtc);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigSourceClock(t_Handle h_FmRtc,
e_FmSrcClk srcClk,
uint32_t freqInMhz)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
p_Rtc->p_RtcDriverParam->src_clk = (enum fman_src_clock)srcClk;
if (srcClk != e_FM_RTC_SOURCE_CLOCK_SYSTEM)
p_Rtc->p_RtcDriverParam->ext_src_clk_freq = freqInMhz;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigPeriod(t_Handle h_FmRtc, uint32_t period)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
p_Rtc->clockPeriodNanoSec = period;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigFrequencyBypass(t_Handle h_FmRtc, bool enabled)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
p_Rtc->p_RtcDriverParam->bypass = enabled;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigInvertedInputClockPhase(t_Handle h_FmRtc, bool inverted)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
p_Rtc->p_RtcDriverParam->invert_input_clk_phase = inverted;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigInvertedOutputClockPhase(t_Handle h_FmRtc, bool inverted)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
p_Rtc->p_RtcDriverParam->invert_output_clk_phase = inverted;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigOutputClockDivisor(t_Handle h_FmRtc, uint16_t divisor)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
p_Rtc->outputClockDivisor = divisor;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigPulseRealignment(t_Handle h_FmRtc, bool enable)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
p_Rtc->p_RtcDriverParam->pulse_realign = enable;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigAlarmPolarity(t_Handle h_FmRtc,
uint8_t alarmId,
e_FmRtcAlarmPolarity alarmPolarity)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
if (alarmId >= FM_RTC_NUM_OF_ALARMS)
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("Alarm ID"));
p_Rtc->p_RtcDriverParam->alarm_polarity[alarmId] =
(enum fman_rtc_alarm_polarity)alarmPolarity;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ConfigExternalTriggerPolarity(t_Handle h_FmRtc,
uint8_t triggerId,
e_FmRtcTriggerPolarity triggerPolarity)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
if (triggerId >= FM_RTC_NUM_OF_EXT_TRIGGERS)
{
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("External trigger ID"));
}
p_Rtc->p_RtcDriverParam->trigger_polarity[triggerId] =
(enum fman_rtc_trigger_polarity)triggerPolarity;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_Enable(t_Handle h_FmRtc, bool resetClock)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
fman_rtc_enable(p_Rtc->p_MemMap, resetClock);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_Disable(t_Handle h_FmRtc)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
/* TODO A check must be added here, that no timestamping MAC's
* are working in this stage. */
fman_rtc_disable(p_Rtc->p_MemMap);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_SetClockOffset(t_Handle h_FmRtc, int64_t offset)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
fman_rtc_set_timer_offset(p_Rtc->p_MemMap, offset);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_SetAlarm(t_Handle h_FmRtc, t_FmRtcAlarmParams *p_FmRtcAlarmParams)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
uint64_t tmpAlarm;
bool enable = FALSE;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
if (p_FmRtcAlarmParams->alarmId >= FM_RTC_NUM_OF_ALARMS)
{
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("Alarm ID"));
}
if (p_FmRtcAlarmParams->alarmTime < p_Rtc->clockPeriodNanoSec)
RETURN_ERROR(MAJOR, E_INVALID_SELECTION,
("Alarm time must be equal or larger than RTC period - %d nanoseconds",
p_Rtc->clockPeriodNanoSec));
tmpAlarm = p_FmRtcAlarmParams->alarmTime;
if (do_div(tmpAlarm, p_Rtc->clockPeriodNanoSec))
RETURN_ERROR(MAJOR, E_INVALID_SELECTION,
("Alarm time must be a multiple of RTC period - %d nanoseconds",
p_Rtc->clockPeriodNanoSec));
if (p_FmRtcAlarmParams->f_AlarmCallback)
{
p_Rtc->alarmParams[p_FmRtcAlarmParams->alarmId].f_AlarmCallback = p_FmRtcAlarmParams->f_AlarmCallback;
p_Rtc->alarmParams[p_FmRtcAlarmParams->alarmId].clearOnExpiration = p_FmRtcAlarmParams->clearOnExpiration;
enable = TRUE;
}
fman_rtc_set_alarm(p_Rtc->p_MemMap, p_FmRtcAlarmParams->alarmId, (unsigned long)tmpAlarm, enable);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_SetPeriodicPulse(t_Handle h_FmRtc, t_FmRtcPeriodicPulseParams *p_FmRtcPeriodicPulseParams)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
bool enable = FALSE;
uint64_t tmpFiper;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
if (p_FmRtcPeriodicPulseParams->periodicPulseId >= FM_RTC_NUM_OF_PERIODIC_PULSES)
{
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("Periodic pulse ID"));
}
if (fman_rtc_is_enabled(p_Rtc->p_MemMap))
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("Can't set Periodic pulse when RTC is enabled."));
if (p_FmRtcPeriodicPulseParams->periodicPulsePeriod < p_Rtc->clockPeriodNanoSec)
RETURN_ERROR(MAJOR, E_INVALID_SELECTION,
("Periodic pulse must be equal or larger than RTC period - %d nanoseconds",
p_Rtc->clockPeriodNanoSec));
tmpFiper = p_FmRtcPeriodicPulseParams->periodicPulsePeriod;
if (do_div(tmpFiper, p_Rtc->clockPeriodNanoSec))
RETURN_ERROR(MAJOR, E_INVALID_SELECTION,
("Periodic pulse must be a multiple of RTC period - %d nanoseconds",
p_Rtc->clockPeriodNanoSec));
if (tmpFiper & 0xffffffff00000000LL)
RETURN_ERROR(MAJOR, E_INVALID_SELECTION,
("Periodic pulse/RTC Period must be smaller than 4294967296",
p_Rtc->clockPeriodNanoSec));
if (p_FmRtcPeriodicPulseParams->f_PeriodicPulseCallback)
{
p_Rtc->periodicPulseParams[p_FmRtcPeriodicPulseParams->periodicPulseId].f_PeriodicPulseCallback =
p_FmRtcPeriodicPulseParams->f_PeriodicPulseCallback;
enable = TRUE;
}
fman_rtc_set_periodic_pulse(p_Rtc->p_MemMap, p_FmRtcPeriodicPulseParams->periodicPulseId, (uint32_t)tmpFiper, enable);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ClearPeriodicPulse(t_Handle h_FmRtc, uint8_t periodicPulseId)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
if (periodicPulseId >= FM_RTC_NUM_OF_PERIODIC_PULSES)
{
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("Periodic pulse ID"));
}
p_Rtc->periodicPulseParams[periodicPulseId].f_PeriodicPulseCallback = NULL;
fman_rtc_clear_periodic_pulse(p_Rtc->p_MemMap, periodicPulseId);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_SetExternalTrigger(t_Handle h_FmRtc, t_FmRtcExternalTriggerParams *p_FmRtcExternalTriggerParams)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
bool enable = FALSE;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
if (p_FmRtcExternalTriggerParams->externalTriggerId >= FM_RTC_NUM_OF_EXT_TRIGGERS)
{
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("External Trigger ID"));
}
if (p_FmRtcExternalTriggerParams->f_ExternalTriggerCallback)
{
p_Rtc->externalTriggerParams[p_FmRtcExternalTriggerParams->externalTriggerId].f_ExternalTriggerCallback = p_FmRtcExternalTriggerParams->f_ExternalTriggerCallback;
enable = TRUE;
}
fman_rtc_set_ext_trigger(p_Rtc->p_MemMap, p_FmRtcExternalTriggerParams->externalTriggerId, enable, p_FmRtcExternalTriggerParams->usePulseAsInput);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_ClearExternalTrigger(t_Handle h_FmRtc, uint8_t externalTriggerId)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
if (externalTriggerId >= FM_RTC_NUM_OF_EXT_TRIGGERS)
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("External Trigger ID"));
p_Rtc->externalTriggerParams[externalTriggerId].f_ExternalTriggerCallback = NULL;
fman_rtc_clear_external_trigger(p_Rtc->p_MemMap, externalTriggerId);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_GetExternalTriggerTimeStamp(t_Handle h_FmRtc,
uint8_t triggerId,
uint64_t *p_TimeStamp)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
if (triggerId >= FM_RTC_NUM_OF_EXT_TRIGGERS)
RETURN_ERROR(MAJOR, E_INVALID_SELECTION, ("External trigger ID"));
*p_TimeStamp = fman_rtc_get_trigger_stamp(p_Rtc->p_MemMap, triggerId)*p_Rtc->clockPeriodNanoSec;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_GetCurrentTime(t_Handle h_FmRtc, uint64_t *p_Ts)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
*p_Ts = fman_rtc_get_timer(p_Rtc->p_MemMap)*p_Rtc->clockPeriodNanoSec;
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_SetCurrentTime(t_Handle h_FmRtc, uint64_t ts)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
do_div(ts, p_Rtc->clockPeriodNanoSec);
fman_rtc_set_timer(p_Rtc->p_MemMap, (int64_t)ts);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_GetFreqCompensation(t_Handle h_FmRtc, uint32_t *p_Compensation)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
*p_Compensation = fman_rtc_get_frequency_compensation(p_Rtc->p_MemMap);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_SetFreqCompensation(t_Handle h_FmRtc, uint32_t freqCompensation)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
/* set the new freqCompensation */
fman_rtc_set_frequency_compensation(p_Rtc->p_MemMap, freqCompensation);
return E_OK;
}
#ifdef CONFIG_PTP_1588_CLOCK_DPAA
/*****************************************************************************/
t_Error FM_RTC_EnableInterrupt(t_Handle h_FmRtc, uint32_t events)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
/* enable interrupt */
fman_rtc_enable_interupt(p_Rtc->p_MemMap, events);
return E_OK;
}
/*****************************************************************************/
t_Error FM_RTC_DisableInterrupt(t_Handle h_FmRtc, uint32_t events)
{
t_FmRtc *p_Rtc = (t_FmRtc *)h_FmRtc;
SANITY_CHECK_RETURN_ERROR(p_Rtc, E_INVALID_HANDLE);
SANITY_CHECK_RETURN_ERROR(!p_Rtc->p_RtcDriverParam, E_INVALID_STATE);
/* disable interrupt */
fman_rtc_disable_interupt(p_Rtc->p_MemMap, events);
return E_OK;
}
#endif
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