Source code of Windows XP (NT5)
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/******************************************************************************\
* *
* FPGA.H - FPGA support. *
* *
* Copyright (c) C-Cube Microsystems 1996 *
* All Rights Reserved. *
* *
* Use of C-Cube Microsystems code is governed by terms and conditions *
* stated in the accompanying licensing statement. *
* *
\******************************************************************************/
#ifndef _FPGA_H_
#define _FPGA_H_
//-------------------------------------------------------------------
// FPGA BITS DEFINITION
//-------------------------------------------------------------------
#if defined(OVATION)
#define FPGA_I2C_CLOCK 0x01
#define FPGA_I2C_DATA 0x02
#define FPGA_I2C_DIRECTION 0x04
#define FPGA_AUDIO_CS 0x08
#define FPGA_SECTOR_START 0x10
#define FPGA_DECRIPTION_BYPASS 0x20
#define FPGA_BUS_MASTER 0x40
#define FPGA_GP_OUTPUT 0x80
#define FPGA_FORCE_BM 0x0100
#endif // OVATION
#if defined(ENCORE)
/* These are for the Creative board */
#define ZIVA_NO_RESET 0x1 // 0 Reset 1 Normal
#define CP_NO_RESET 0x2 // Ditto
#define RESERVED 0x4
#define DMA_NO_RESET 0x8 // Ditto
/* The BGNI is the same with FPGA_SECTOR_START */
#define BGNI_ON 0x10 // 1 BGNI count on
#define FPGA_SECTOR_START 0x10
#define FPGA_STATE_MACHINE 0x20 // 1 On 0 Off
#define ZIVA_INT 0x40 // 0 Enable 1 Disable
#define AUDIO_STROBE 0x80 // 0 Select 1 Not-Select
// Version control
#define FPGA_VERSION 0x0C // bits 2 and 3 are version control bits
#define FPGA_VERSION_1_0 0x0C
#define FPGA_VERSION_2_0 0x04
#endif // ENCORE
BOOL FPGA_Init( DWORD dwFPGABase );
void FPGA_Set( WORD wMask );
void FPGA_Clear( WORD wMask );
void FPGA_Write( WORD wData );
WORD FPGA_Read();
#ifndef LOBYTE
#define LOBYTE(w) ((BYTE)(w))
#define HIBYTE(w) ((BYTE)(((WORD)(w) >> 8) & 0xFF))
#endif
#endif // _FPGA_H_