/* Cypress West Bridge API source file (cyasintr.c)+
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 ## ===========================+
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 ##+
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 ##  Copyright Cypress Semiconductor Corporation, 2006-2009,+
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 ##  All Rights Reserved+
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 ##  UNPUBLISHED, LICENSED SOFTWARE.+
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 ##+
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 ##  CONFIDENTIAL AND PROPRIETARY INFORMATION+
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 ##  WHICH IS THE PROPERTY OF CYPRESS.+
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 ##+
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 ##  Use of this file is governed+
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 ##  by the license agreement included in the file+
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 ##+
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 ##     <install>/license/license.txt+
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 ##+
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 ##  where <install> is the Cypress software+
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 ##  installation root directory path.+
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 ##+
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 ## ===========================+
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*/+
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+
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#include "cyashal.h"+
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#include "cyasdevice.h"+
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#include "cyasregs.h"+
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#include "cyaserr.h"+
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+
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extern void CyAsMailBoxInterruptHandler(CyAsDevice *) ;+
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+
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void+
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CyAsMcuInterruptHandler(CyAsDevice *dev_p)+
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{+
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    /* Read and clear the interrupt. */+
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    uint16_t v ;+
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+
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    v = CyAsHalReadRegister(dev_p->tag, CY_AS_MEM_P0_MCU_STAT) ;+
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    v = v ;+
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}+
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+
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void+
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CyAsPowerManagementInterruptHandler(CyAsDevice *dev_p)+
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{+
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    uint16_t v ;+
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+
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    v = CyAsHalReadRegister(dev_p->tag, CY_AS_MEM_PWR_MAGT_STAT) ;+
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    v = v ;+
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}+
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+
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void+
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CyAsPllLockLossInterruptHandler(CyAsDevice *dev_p)+
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{+
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    uint16_t v ;+
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+
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    v = CyAsHalReadRegister(dev_p->tag, CY_AS_MEM_PLL_LOCK_LOSS_STAT) ;+
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    v = v ;+
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}+
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+
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uint32_t CyAsIntrStart(CyAsDevice *dev_p, CyBool dmaintr)+
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{+
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    uint16_t v ;+
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+
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    CyAsHalAssert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE) ;+
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+
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    if (CyAsDeviceIsIntrRunning(dev_p) != 0)+
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        return CY_AS_ERROR_ALREADY_RUNNING ;+
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+
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    v = CY_AS_MEM_P0_INT_MASK_REG_MMCUINT |+
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        CY_AS_MEM_P0_INT_MASK_REG_MMBINT |+
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        CY_AS_MEM_P0_INT_MASK_REG_MPMINT ;+
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+
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    if (dmaintr)+
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        v |= CY_AS_MEM_P0_INT_MASK_REG_MDRQINT ;+
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+
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    /* Enable the interrupts of interest */+
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    CyAsHalWriteRegister(dev_p->tag, CY_AS_MEM_P0_INT_MASK_REG, v) ;+
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+
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    /* Mark the interrupt module as initialized */+
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    CyAsDeviceSetIntrRunning(dev_p) ;+
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+
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    return CY_AS_ERROR_SUCCESS ;+
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}+
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+
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uint32_t CyAsIntrStop(CyAsDevice *dev_p)+
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{+
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    CyAsHalAssert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE) ;+
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+
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    if (CyAsDeviceIsIntrRunning(dev_p) == 0)+
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        return CY_AS_ERROR_NOT_RUNNING ;+
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+
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    CyAsHalWriteRegister(dev_p->tag, CY_AS_MEM_P0_INT_MASK_REG, 0) ;+
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    CyAsDeviceSetIntrStopped(dev_p) ;+
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+
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    return CY_AS_ERROR_SUCCESS ;+
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}+
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+
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void CyAsIntrServiceInterrupt(CyAsHalDeviceTag tag)+
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{+
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    uint16_t v ;+
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    CyAsDevice *dev_p ;+
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+
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    dev_p = CyAsDeviceFindFromTag(tag) ;+
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+
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    /*+
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       Only power management interrupts can occur before the Antioch API setup is complete.+
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       If this is a PM interrupt, handle it here; otherwise output a warning message.+
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     */+
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    if (dev_p == 0)+
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    {+
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        v = CyAsHalReadRegister(tag, CY_AS_MEM_P0_INTR_REG) ;+
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        if (v == CY_AS_MEM_P0_INTR_REG_PMINT)+
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        {+
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            /* Read the PWR_MAGT_STAT register to clear this interrupt. */+
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            v = CyAsHalReadRegister(tag, CY_AS_MEM_PWR_MAGT_STAT) ;+
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        }+
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        else+
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            ;//CyAsHalPrintMessage("Stray Antioch interrupt detected, tag not associated with any created device.") ;+
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        return ;+
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    }+
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+
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    /* Make sure we got a valid object from CyAsDeviceFindFromTag */+
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    CyAsHalAssert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE) ;+
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+
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    v = CyAsHalReadRegister(dev_p->tag, CY_AS_MEM_P0_INTR_REG) ;+
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    if (v & CY_AS_MEM_P0_INTR_REG_MCUINT)+
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        CyAsMcuInterruptHandler(dev_p) ;+
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+
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    if (v & CY_AS_MEM_P0_INTR_REG_PMINT)+
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        CyAsPowerManagementInterruptHandler(dev_p) ;+
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+
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    if (v & CY_AS_MEM_P0_INTR_REG_PLLLOCKINT)+
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        CyAsPllLockLossInterruptHandler(dev_p) ;+
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+
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    /* If the interrupt module is not running, no mailbox interrupts are expected+
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     * from the Antioch. */+
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    if (CyAsDeviceIsIntrRunning(dev_p) == 0)+
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        return ;+
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+
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    if (v & CY_AS_MEM_P0_INTR_REG_MBINT)+
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        CyAsMailBoxInterruptHandler(dev_p) ;+
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}+
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+
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