--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omap3530/beagle_drivers/wb/api/src/cyasintr.c	Wed Mar 03 13:10:32 2010 +0000
@@ -0,0 +1,141 @@
+/* Cypress West Bridge API source file (cyasintr.c)
+ ## ===========================
+ ##
+ ##  Copyright Cypress Semiconductor Corporation, 2006-2009,
+ ##  All Rights Reserved
+ ##  UNPUBLISHED, LICENSED SOFTWARE.
+ ##
+ ##  CONFIDENTIAL AND PROPRIETARY INFORMATION
+ ##  WHICH IS THE PROPERTY OF CYPRESS.
+ ##
+ ##  Use of this file is governed
+ ##  by the license agreement included in the file
+ ##
+ ##     <install>/license/license.txt
+ ##
+ ##  where <install> is the Cypress software
+ ##  installation root directory path.
+ ##
+ ## ===========================
+*/
+
+#include "cyashal.h"
+#include "cyasdevice.h"
+#include "cyasregs.h"
+#include "cyaserr.h"
+
+extern void CyAsMailBoxInterruptHandler(CyAsDevice *) ;
+
+void
+CyAsMcuInterruptHandler(CyAsDevice *dev_p)
+{
+    /* Read and clear the interrupt. */
+    uint16_t v ;
+
+    v = CyAsHalReadRegister(dev_p->tag, CY_AS_MEM_P0_MCU_STAT) ;
+    v = v ;
+}
+
+void
+CyAsPowerManagementInterruptHandler(CyAsDevice *dev_p)
+{
+    uint16_t v ;
+
+    v = CyAsHalReadRegister(dev_p->tag, CY_AS_MEM_PWR_MAGT_STAT) ;
+    v = v ;
+}
+
+void
+CyAsPllLockLossInterruptHandler(CyAsDevice *dev_p)
+{
+    uint16_t v ;
+
+    v = CyAsHalReadRegister(dev_p->tag, CY_AS_MEM_PLL_LOCK_LOSS_STAT) ;
+    v = v ;
+}
+
+uint32_t CyAsIntrStart(CyAsDevice *dev_p, CyBool dmaintr)
+{
+    uint16_t v ;
+
+    CyAsHalAssert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE) ;
+
+    if (CyAsDeviceIsIntrRunning(dev_p) != 0)
+        return CY_AS_ERROR_ALREADY_RUNNING ;
+
+    v = CY_AS_MEM_P0_INT_MASK_REG_MMCUINT |
+        CY_AS_MEM_P0_INT_MASK_REG_MMBINT |
+        CY_AS_MEM_P0_INT_MASK_REG_MPMINT ;
+
+    if (dmaintr)
+        v |= CY_AS_MEM_P0_INT_MASK_REG_MDRQINT ;
+
+    /* Enable the interrupts of interest */
+    CyAsHalWriteRegister(dev_p->tag, CY_AS_MEM_P0_INT_MASK_REG, v) ;
+
+    /* Mark the interrupt module as initialized */
+    CyAsDeviceSetIntrRunning(dev_p) ;
+
+    return CY_AS_ERROR_SUCCESS ;
+}
+
+uint32_t CyAsIntrStop(CyAsDevice *dev_p)
+{
+    CyAsHalAssert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE) ;
+
+    if (CyAsDeviceIsIntrRunning(dev_p) == 0)
+        return CY_AS_ERROR_NOT_RUNNING ;
+
+    CyAsHalWriteRegister(dev_p->tag, CY_AS_MEM_P0_INT_MASK_REG, 0) ;
+    CyAsDeviceSetIntrStopped(dev_p) ;
+
+    return CY_AS_ERROR_SUCCESS ;
+}
+
+void CyAsIntrServiceInterrupt(CyAsHalDeviceTag tag)
+{
+    uint16_t v ;
+    CyAsDevice *dev_p ;
+
+    dev_p = CyAsDeviceFindFromTag(tag) ;
+
+    /*
+       Only power management interrupts can occur before the Antioch API setup is complete.
+       If this is a PM interrupt, handle it here; otherwise output a warning message.
+     */
+    if (dev_p == 0)
+    {
+        v = CyAsHalReadRegister(tag, CY_AS_MEM_P0_INTR_REG) ;
+        if (v == CY_AS_MEM_P0_INTR_REG_PMINT)
+        {
+            /* Read the PWR_MAGT_STAT register to clear this interrupt. */
+            v = CyAsHalReadRegister(tag, CY_AS_MEM_PWR_MAGT_STAT) ;
+        }
+        else
+            ;//CyAsHalPrintMessage("Stray Antioch interrupt detected, tag not associated with any created device.") ;
+        return ;
+    }
+
+    /* Make sure we got a valid object from CyAsDeviceFindFromTag */
+    CyAsHalAssert(dev_p->sig == CY_AS_DEVICE_HANDLE_SIGNATURE) ;
+
+    v = CyAsHalReadRegister(dev_p->tag, CY_AS_MEM_P0_INTR_REG) ;
+
+    if (v & CY_AS_MEM_P0_INTR_REG_MCUINT)
+        CyAsMcuInterruptHandler(dev_p) ;
+
+    if (v & CY_AS_MEM_P0_INTR_REG_PMINT)
+        CyAsPowerManagementInterruptHandler(dev_p) ;
+
+    if (v & CY_AS_MEM_P0_INTR_REG_PLLLOCKINT)
+        CyAsPllLockLossInterruptHandler(dev_p) ;
+
+    /* If the interrupt module is not running, no mailbox interrupts are expected
+     * from the Antioch. */
+    if (CyAsDeviceIsIntrRunning(dev_p) == 0)
+        return ;
+
+    if (v & CY_AS_MEM_P0_INTR_REG_MBINT)
+        CyAsMailBoxInterruptHandler(dev_p) ;
+}
+