//
//      Copyright(C) Renesas Technology Corp. 1999-2003. All rights reserved.
//
//      WaveDev Driver for ITS-DS7
//
//----------------------------------------------------------------------------
//
// FILE      : WAVEPDD.H
// CREATED   : 1999.04.26 (for HD64465 on PFM-DS6)
// MODIFIED  : 2003.06.20
// AUTHOR    : Renesas Technology Corp.
// HARDWARE  : RENESAS ITS-DS7
// FUNCTION  : Macros, types and global variable definitions for audio PDD
// HISTORY   : 
//             2003.06.20
//              - Created release code.
//                (based on WaveDev driver for ITS-DS6 Ver.2.2.0 for WCE4.1)
//

//
//      Copyright (c) 1995-2000 Microsoft Corporation.  All rights reserved.
//

typedef enum {
	PCM_TYPE_M8,
	PCM_TYPE_M16,
	PCM_TYPE_S8,
	PCM_TYPE_S16
} PCM_TYPE, *PPCM_TYPE;

typedef struct {
	UINT8 sample;              // Unsigned 8-bit sample
} SAMPLE_8_MONO;

typedef struct {
	INT16 sample;              // Signed 16-bit sample
} SAMPLE_16_MONO;

typedef struct {
	UINT8 sample_left;         // Unsigned 8-bit sample
	UINT8 sample_right;        // Unsigned 8-bit sample
} SAMPLE_8_STEREO;

typedef struct {
	INT16 sample_left;         // Signed 16-bit sample
	INT16 sample_right;        // Signed 16-bit sample
} SAMPLE_16_STEREO;

typedef union {
	SAMPLE_8_MONO m8;
	SAMPLE_16_MONO m16;
	SAMPLE_8_STEREO s8;
	SAMPLE_16_STEREO s16;
} PCM_SAMPLE, *PPCM_SAMPLE;

typedef union _DMAControlRegister {
	struct {
		DWORD	CWS  : 2;		// Channel Width Source
		DWORD	CWD  : 2;		// Channel Width Destination
		DWORD	RTRA : 1;		// Register Bus Transfer
		DWORD	DR 	 : 1;		// Direction
		DWORD	DTRA : 1;		// Begin DMA Transfer
		DWORD	MM   : 1;		// Master Mode
		DWORD	RBEN : 1;		// Register Bus Enable
		DWORD	ML   : 1;		// Memory Location
		DWORD	DBEN : 1;		// Double Buffer Enable
		DWORD	IEN  : 3;		// Enable Interrupts
		DWORD	END  : 2;		// Endian
		DWORD	CSEL : 5;		// Channel Select
		DWORD	PTEN : 1;		// PT Interrupt Enable
		DWORD	Reserved : 10;	// Reserved
	} bits;
	DWORD	AsDWORD;
} DMAControlRegister;

#define divINT16by256(x)              (min(127, (x >> 8)+((x & 0xFF) > 128)))
#define fromPCM16toPCM8(sample)       ((BYTE)(divINT16by256(sample) + 128))
#define fromPCM8toPCM16(sample)       (((INT16)sample - 128) << 8)
#define fromStereoToMono(left, right) ((left + right) >> 1)

#define PAGE_SIZE 0x1000

#define	Monaural			1
#define Stereo				2
#define SixteenBits			16
#define EightBits			8
#define MinPlaybackSpeed	5000
#define MaxPlaybackSpeed	50000
#define Hz48000				48000
#define Hz44100				44100
#define Hz22050				22050
#define Hz11025				11025
#define Hz08000				8000
#define TX_ReqNo			18
#define RX_ReqNo			19
#define TSR_CMDAMT			0x80000000
#define TSR_CMDDMT			0x40000000
#define RSR_STARY			0x00400000
#define RSR_STDRY			0x00200000


// Function Prototypes

MMRESULT private_WaveGetDevCaps(WAPI_INOUT apidir, PVOID pCaps, UINT wSize);

void PrintBuffer(short* pbuf);
VOID FreeAllocatedVirtualMemory( PUCHAR pVirtualAddr );
PUCHAR GetVirtualAddressOfUncachedMemory( PVOID base, ULONG sz, char* cID );