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