--- a/graphics_plat/guestvideodriver_api/ldd/inc/virtualvideohwinterface.h Thu Sep 02 16:04:46 2010 +0100
+++ b/graphics_plat/guestvideodriver_api/ldd/inc/virtualvideohwinterface.h Fri Sep 03 12:59:30 2010 +0300
@@ -27,199 +27,199 @@
class DVirtualVideoHwInterface : public DBase
{
public: // Data types
-
- /**
- * Enumeration for different interrupts.
- */
- enum TInterrupt
- {
- EInterruptNewDataAvailable = 0x01 ///< Video HW has new data available
- };
- /**
- * Enumeration for different registers.
- */
- enum TRegister
- {
- ERegId, ///< Id register
- ERegIrqEnable, ///< IRQ enabling register
- ERegIrqStatus, ///< IRQ status register
- ERegCommand, ///< Command register
- ERegParameterLoad,
- ERegError, ///<
- ERegInputBufferTail,
- ERegInputBufferHead,
- ERegInputBufferReadCount,
- ERegInputBufferWriteCount,
- ERegInputBufferMaxTail,
- ERegRequestId,
- ERegSharedCmdMemBase,
- ERegSharedFramebufferMemBase,
- ENumRegisters ///< Number of registers
-
- };
+
+ /**
+ * Enumeration for different interrupts.
+ */
+ enum TInterrupt
+ {
+ EInterruptNewDataAvailable = 0x01 ///< Video HW has new data available
+ };
+ /**
+ * Enumeration for different registers.
+ */
+ enum TRegister
+ {
+ ERegId, ///< Id register
+ ERegIrqEnable, ///< IRQ enabling register
+ ERegIrqStatus, ///< IRQ status register
+ ERegCommand, ///< Command register
+ ERegParameterLoad,
+ ERegError, ///<
+ ERegInputBufferTail,
+ ERegInputBufferHead,
+ ERegInputBufferReadCount,
+ ERegInputBufferWriteCount,
+ ERegInputBufferMaxTail,
+ ERegRequestId,
+ ERegSharedCmdMemBase,
+ ERegSharedFramebufferMemBase,
+ ENumRegisters ///< Number of registers
+
+ };
public: // Construction and destruction
- /**
- * Constructor.
- */
- DVirtualVideoHwInterface();
+ /**
+ * Constructor.
+ */
+ DVirtualVideoHwInterface();
- /**
- * Destructor.
- * NOTE: Enters and leaves critical section.
- */
- virtual ~DVirtualVideoHwInterface();
+ /**
+ * Destructor.
+ * NOTE: Enters and leaves critical section.
+ */
+ virtual ~DVirtualVideoHwInterface();
public: // Functions
- /**
- * Initializes the Virtual Video HW's memory mapped I/O model.
- * NOTE: Enters and leaves critical section.
- *
- * @return System-wide error code
- */
- TInt InitParametersInputMemory();
- TInt InitParametersOutputMemory();
-
- /**
- * Enables interrupts in the Virtual Video HW.
- *
- * @param aChannel The channel, whose interrupts are enabled
- * @param aInterruptBitField A bitmask of TInterrupt enumeration.
- * Enabled interrupt bits should be set to 1 and disabled interrupt
- * bits to 0.
- */
- void EnableInterrupts( TUint32 aInterruptBitField );
-
- /**
- * Initializes the Virtual Video HW's memory mapped I/O model.
- * NOTE: Enters and leaves critical section.
- *
- * @return System-wide error code
- */
- TInt InitRegisterMemory();
- /**
- * Retrieves interrupt enabled state in the Virtual Video HW.
- *
- * @param aChannel The channel, whose interrupt states are queried
- * @param aInterruptBitField A reference parameter, where a bitmask of
- * TInterrupt enumeration will be written. Enabled interrupt bits
- * are set to 1 and disabled interrupt bits to 0.
- */
- void GetInterruptEnabledState( TUint32& aInterruptBitField );
+ /**
+ * Initializes the Virtual Video HW's memory mapped I/O model.
+ * NOTE: Enters and leaves critical section.
+ *
+ * @return System-wide error code
+ */
+ TInt InitParametersInputMemory();
+ TInt InitParametersOutputMemory();
+
+ /**
+ * Enables interrupts in the Virtual Video HW.
+ *
+ * @param aChannel The channel, whose interrupts are enabled
+ * @param aInterruptBitField A bitmask of TInterrupt enumeration.
+ * Enabled interrupt bits should be set to 1 and disabled interrupt
+ * bits to 0.
+ */
+ void EnableInterrupts( TUint32 aInterruptBitField );
+
+ /**
+ * Initializes the Virtual Video HW's memory mapped I/O model.
+ * NOTE: Enters and leaves critical section.
+ *
+ * @return System-wide error code
+ */
+ TInt InitRegisterMemory();
+ /**
+ * Retrieves interrupt enabled state in the Virtual Video HW.
+ *
+ * @param aChannel The channel, whose interrupt states are queried
+ * @param aInterruptBitField A reference parameter, where a bitmask of
+ * TInterrupt enumeration will be written. Enabled interrupt bits
+ * are set to 1 and disabled interrupt bits to 0.
+ */
+ void GetInterruptEnabledState( TUint32& aInterruptBitField );
- /**
- * Retrieves interrupt status in the Virtual Video HW.
- *
- * @param aChannel The channel, whose interrupt status is queried
- * @param aInterruptBitField A reference parameter, where a bitmask of
- * TInterrupt enumeration will be written. Those interrupt lines
- * are active, whose bits are set to 1 in the bitmask.
- */
- void GetInterruptStatus( TUint32& aInterruptBitField );
+ /**
+ * Retrieves interrupt status in the Virtual Video HW.
+ *
+ * @param aChannel The channel, whose interrupt status is queried
+ * @param aInterruptBitField A reference parameter, where a bitmask of
+ * TInterrupt enumeration will be written. Those interrupt lines
+ * are active, whose bits are set to 1 in the bitmask.
+ */
+ void GetInterruptStatus( TUint32& aInterruptBitField );
- /**
- * Resets interrupt status in the Virtual Video HW.
- *
- * @param aChannel The channel, whose interrupt statuses are being reset
- * @param aInterruptBitField The bitmask of TInterrupt enumeration. Those
- * interrupts are reset, whose bits are set to 1 in the bitfield.
- */
- void ResetInterruptStatus( TUint32 aInterruptBitField );
-
- /**
- * Issues a command to the Virtual Video HW.
- *
- * @param aCommand One of TCommand enumeration commands.
- */
- void IssueCommand( TUint32 aCommand );
+ /**
+ * Resets interrupt status in the Virtual Video HW.
+ *
+ * @param aChannel The channel, whose interrupt statuses are being reset
+ * @param aInterruptBitField The bitmask of TInterrupt enumeration. Those
+ * interrupts are reset, whose bits are set to 1 in the bitfield.
+ */
+ void ResetInterruptStatus( TUint32 aInterruptBitField );
+
+ /**
+ * Issues a command to the Virtual Video HW.
+ *
+ * @param aCommand One of TCommand enumeration commands.
+ */
+ void IssueCommand( TUint32 aCommand );
- /**
- * Set shared command memory base address.
- *
- * @param aPhysicalAddress Physical address of the contiguous memory area reserved for video device.
- */
- void SetSharedCmdMemBase( TUint32 aPhysicalAddress );
-
- /**
- * Set shared framebuffer memory base address.
- *
- * @param aPhysicalAddress Physical address of the contiguous memory area reserved for video device.
- */
+ /**
+ * Set shared command memory base address.
+ *
+ * @param aPhysicalAddress Physical address of the contiguous memory area reserved for video device.
+ */
+ void SetSharedCmdMemBase( TUint32 aPhysicalAddress );
+
+ /**
+ * Set shared framebuffer memory base address.
+ *
+ * @param aPhysicalAddress Physical address of the contiguous memory area reserved for video device.
+ */
- void SetSharedFramebufferMemBase( TUint32 aPhysicalAddress );
-
- /**
- * Address to input parameter buffer
- */
- TLinAddr InputParametersAddress(){ return iInputParametersChunkKernelAddress; }
-
- /**
- * Address to output parameter buffer
- */
- TLinAddr OutputParametersAddress(){ return iOutputParametersChunkKernelAddress; }
+ void SetSharedFramebufferMemBase( TUint32 aPhysicalAddress );
+
+ /**
+ * Address to input parameter buffer
+ */
+ TLinAddr InputParametersAddress(){ return iInputParametersChunkKernelAddress; }
+
+ /**
+ * Address to output parameter buffer
+ */
+ TLinAddr OutputParametersAddress(){ return iOutputParametersChunkKernelAddress; }
-
- /**
- * Gets a register value.
- *
- * @param aRegisterRange The register range
- * @param aRegister The register in the given register range, whose value is being read
- * @param aValue A reference parameter, where the register's value is written
- */
- void GetRegisterValue(
- TRegister aRegister,
- TUint32& aValue );
+
+ /**
+ * Gets a register value.
+ *
+ * @param aRegisterRange The register range
+ * @param aRegister The register in the given register range, whose value is being read
+ * @param aValue A reference parameter, where the register's value is written
+ */
+ void GetRegisterValue(
+ TRegister aRegister,
+ TUint32& aValue );
- /**
- * Sets a register value.
- *
- * @param aRegisterRange The register range
- * @param aRegister The register in the given register range, whose value is being written
- * @param aValue A new value to be written into register
- */
- void SetRegisterValue( TRegister aRegister,
- TUint32 aValue );
+ /**
+ * Sets a register value.
+ *
+ * @param aRegisterRange The register range
+ * @param aRegister The register in the given register range, whose value is being written
+ * @param aValue A new value to be written into register
+ */
+ void SetRegisterValue( TRegister aRegister,
+ TUint32 aValue );
- IMPORT_C static TPhysAddr GetFrameBase();
-
- public:
- TPhysAddr iFrameRamPhys;
- static DVirtualVideoHwInterface * pVVHIf;
+ IMPORT_C static TPhysAddr GetFrameBase();
protected:
- /**
- * Maps a virtual address range to physical address space
- *
- * @param aPhysicalAddress
- * @param aMaxSize
- * @param aChunk
- * @param aLinAddr
- * @return System wide error code
- */
- TInt InitPhysicalMemory( TUint32 aPhysicalAddress,
- TInt aMaxSize, DChunk*& aChunk, TLinAddr& aLinAddr );
+ /**
+ * Maps a virtual address range to physical address space
+ *
+ * @param aPhysicalAddress
+ * @param aMaxSize
+ * @param aChunk
+ * @param aLinAddr
+ * @return System wide error code
+ */
+ TInt InitPhysicalMemory( TUint32 aPhysicalAddress,
+ TInt aMaxSize, DChunk*& aChunk, TLinAddr& aLinAddr );
private: // Data
- /// A memory chunk that is mapped to the Virtual Video HW's physical memory area
- DChunk* iRegisterMemoryChunk;
- /// The virtual start address of the Virtual Video HW's memory map
- TLinAddr iRegisterChunkKernelAddress;
+ /// A memory chunk that is mapped to the Virtual Video HW's physical memory area
+ DChunk* iRegisterMemoryChunk;
+ /// The virtual start address of the Virtual Video HW's memory map
+ TLinAddr iRegisterChunkKernelAddress;
+
+ /// A memory chunk that is mapped to the Virtual Video HW's physical memory area
+ DChunk* iInputParametersMemoryChunk;
+ /// The virtual start address of the Virtual Video HW's memory map
+ TLinAddr iInputParametersChunkKernelAddress;
- /// A memory chunk that is mapped to the Virtual Video HW's physical memory area
- DChunk* iInputParametersMemoryChunk;
- /// The virtual start address of the Virtual Video HW's memory map
- TLinAddr iInputParametersChunkKernelAddress;
+ /// A memory chunk that is mapped to the Virtual Video HW's physical memory area
+ DChunk* iOutputParametersMemoryChunk;
+
+ /// The virtual start address of the Virtual Video HW's memory map
+ TLinAddr iOutputParametersChunkKernelAddress;
+
+ /// The virtual graphics device physical base address
+ static TPhysAddr iVideoRamBasePhys;
- /// A memory chunk that is mapped to the Virtual Video HW's physical memory area
- DChunk* iOutputParametersMemoryChunk;
- /// The virtual start address of the Virtual Video HW's memory map
- TLinAddr iOutputParametersChunkKernelAddress;
- TPhysAddr iVideoRamPhys;
};