From c5b9fdac16581699709032d5e663f2648042b402 Mon Sep 17 00:00:00 2001
From: Andrei-Liviu Simion <andrei.simion@xilinx.com>
Date: Fri, 16 Jan 2015 14:19:04 -0800
Subject: [PATCH] dp: rx: Added callback for power state change interrupts.
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
---
XilinxProcessorIPLib/drivers/dp/src/xdprx.h | 9 +++++++
.../drivers/dp/src/xdprx_intr.c | 27 +++++++++++++++++++
2 files changed, 36 insertions(+)
diff --git a/XilinxProcessorIPLib/drivers/dp/src/xdprx.h b/XilinxProcessorIPLib/drivers/dp/src/xdprx.h
index c752b9f1..baadee40 100644
--- a/XilinxProcessorIPLib/drivers/dp/src/xdprx.h
+++ b/XilinxProcessorIPLib/drivers/dp/src/xdprx.h
@@ -99,6 +99,13 @@ typedef struct {
passed to the video mode
change callback
function. */
+ XDptx_IntrHandler IntrPowerStateHandler; /**< Callback function for
+ power state change
+ interrupts. */
+ void *IntrPowerStateCallbackRef; /**< A pointer to the user data
+ passed to the power
+ state change callback
+ function. */
} XDprx;
/**************************** Function Prototypes *****************************/
@@ -122,5 +129,7 @@ void XDprx_WaitUs(XDprx *InstancePtr, u32 MicroSeconds);
/* xdprx_intr.c: Interrupt handling functions. */
void XDptx_SetIntrVmChangeHandler(XDptx *InstancePtr,
XDprx_IntrHandler CallbackFunc, void *CallbackRef);
+void XDptx_SetIntrPowerStateHandler(XDptx *InstancePtr,
+ XDprx_IntrHandler CallbackFunc, void *CallbackRef);
#endif /* XDPRX_H_ */
diff --git a/XilinxProcessorIPLib/drivers/dp/src/xdprx_intr.c b/XilinxProcessorIPLib/drivers/dp/src/xdprx_intr.c
index b7b1b257..2c14a42a 100644
--- a/XilinxProcessorIPLib/drivers/dp/src/xdprx_intr.c
+++ b/XilinxProcessorIPLib/drivers/dp/src/xdprx_intr.c
@@ -79,3 +79,30 @@ void XDptx_SetIntrVmChangeHandler(XDptx *InstancePtr,
InstancePtr->IntrVmChangeHandler = CallbackFunc;
InstancePtr->IntrVmChangeCallbackRef = CallbackRef;
}
+
+/******************************************************************************/
+/**
+ * This function installs a callback function for when the power state interrupt
+ * occurs.
+ *
+ * @param InstancePtr is a pointer to the XDprx instance.
+ * @param CallbackFunc is the address to the callback function.
+ * @param CallbackRef is the user data item that will be passed to the
+ * callback function when it is invoked.
+ *
+ * @return None.
+ *
+ * @note None.
+ *
+*******************************************************************************/
+void XDptx_SetIntrPowerStateHandler(XDptx *InstancePtr,
+ XDprx_IntrHandler CallbackFunc, void *CallbackRef)
+{
+ /* Verify arguments. */
+ Xil_AssertVoid(InstancePtr != NULL);
+ Xil_AssertVoid(CallbackFunc != NULL);
+ Xil_AssertVoid(CallbackRef != NULL);
+
+ InstancePtr->IntrPowerStateHandler = CallbackFunc;
+ InstancePtr->IntrPowerStateCallbackRef = CallbackRef;
+}