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/* Cesar project {{{
 *
 * Copyright (C) 2008 Spidcom
 *
 * <<<Licence>>>
 *
 * }}} */
/**
 * \file    hal/phy/src/pratic.c
 * \brief   HAL Phy PRATIC functions.
 * \ingroup hal_phy
 *
 * PRATIC timers:
 *  - 1: ACCESS
 *  - 2: TX
 *  - 3: START MAFADESE
 *  - 4: PRP/RX ACTIVATE
 *  - 5: extra timer
 *  - 6: FC 1.0 creation
 *
 * See also access.c.
 */
#include "common/std.h"

#include "inc/context.h"
#include "inc/regs.h"

#include "hal/leon/itc2.h"
#include "hal/arch/arch.h"

u32 ARCH_ILRAM
phy_date (void)
{
    return PHY_PRATIC_STA_LOCAL_TIMER;
}

u32
phy_sysdate (void)
{
    return PHY_PRATIC_SYS_LOCAL_TIMER;
}

void
phy_clock_set_numerator (phy_t *ctx, uint numerator_ppm)
{
    dbg_assert (ctx);
    dbg_assert (BF_CHECK (PHY_PRATIC_CONFIG__DIVISION_FACTOR, numerator_ppm));
    PHY_TRACE (CLOCK_SET_NUMERATOR, numerator_ppm);
    PHY_PRATIC_CONFIG = BF_SET (PHY_PRATIC_CONFIG,
                                PHY_PRATIC_CONFIG__DIVISION_FACTOR,
                                numerator_ppm);
}

u32
phy_clock_get_zero_cross_captured_date (phy_t *ctx)
{
    dbg_assert (ctx);
    return PHY_PRATIC_STA_LAST_CAPTURED_DATE;
}

u32
phy_clock_get_zero_cross_captured_sysdate (phy_t *ctx)
{
    dbg_assert (ctx);
    return PHY_PRATIC_STA_LAST_CAPTURED_DATE;
}

void
phy_extra_timer_init (phy_t *ctx, void *extra_timer_user_data,
                      phy_extra_timer_cb_t extra_timer_cb)
{
    dbg_claim (ctx);
    ctx->extra_timer_user_data = extra_timer_user_data;
    ctx->extra_timer_cb = extra_timer_cb;
}

void
phy_extra_timer_program (phy_t *ctx, u32 date)
{
    dbg_claim (ctx);
    dbg_claim (!(PHY_PRATIC_TIMER_5_CTRL
                 & BF_MASK (PHY_PRATIC_TIMER_X_CTRL__VALID)));
    PHY_TRACE (EXTRA_TIMER_PROGRAM, date);
    PHY_PRATIC_TIMER_5_DATE = date;
    PHY_PRATIC_TIMER_5_CTRL = BF_SHIFT (PHY_PRATIC_TIMER_X_CTRL__ACTION,
                                        PHY_PRATIC_ACTION__INTERRUPT1)
        | BF_MASK (PHY_PRATIC_TIMER_X_CTRL__VALID);
}

void
phy_extra_timer_cancel (phy_t *ctx)
{
    dbg_claim (ctx);
    PHY_TRACE (EXTRA_TIMER_CANCEL);
    /* Cancel timer. */
    PHY_PRATIC_TIMER_5_CTRL = 0;
    /* Cancel any pending interrupt. */
    LEON_ITC2_CLEAR = 1 << LEON_ITC2_IT__PRATIC_INTERRUPT;
    LEON_ITC1_CLEAR = 1 << LEON_ITC2_HIGH_PRIORITY_ITC1_IT;
}