/******************************************************************************
*                                                                             *
* License Agreement                                                           *
*                                                                             *
* Copyright (c) 2003 Altera Corporation, San Jose, California, USA.           *
* All rights reserved.                                                        *
*                                                                             *
* Permission is hereby granted, free of charge, to any person obtaining a     *
* copy of this software and associated documentation files (the "Software"),  *
* to deal in the Software without restriction, including without limitation   *
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* and/or sell copies of the Software, and to permit persons to whom the       *
* Software is furnished to do so, subject to the following conditions:        *
*                                                                             *
* The above copyright notice and this permission notice shall be included in  *
* all copies or substantial portions of the Software.                         *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  *
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* DEALINGS IN THE SOFTWARE.                                                   *
*                                                                             *
*                                                                             *
******************************************************************************/

#ifndef __ALTERA_AVALON_PIO_REGS_H__
#define __ALTERA_AVALON_PIO_REGS_H__

#include <io.h>

#define IOADDR_ALTERA_AVALON_PIO_DATA(base)           __IO_CALC_ADDRESS_NATIVE(base, 0)
#define IORD_ALTERA_AVALON_PIO_DATA(base)             IORD(base, 0) 
#define IOWR_ALTERA_AVALON_PIO_DATA(base, data)       IOWR(base, 0, data)

#define IOADDR_ALTERA_AVALON_PIO_DIRECTION(base)      __IO_CALC_ADDRESS_NATIVE(base, 1)
#define IORD_ALTERA_AVALON_PIO_DIRECTION(base)        IORD(base, 1) 
#define IOWR_ALTERA_AVALON_PIO_DIRECTION(base, data)  IOWR(base, 1, data)

#define IOADDR_ALTERA_AVALON_PIO_IRQ_MASK(base)       __IO_CALC_ADDRESS_NATIVE(base, 2)
#define IORD_ALTERA_AVALON_PIO_IRQ_MASK(base)         IORD(base, 2) 
#define IOWR_ALTERA_AVALON_PIO_IRQ_MASK(base, data)   IOWR(base, 2, data)

#define IOADDR_ALTERA_AVALON_PIO_EDGE_CAP(base)       __IO_CALC_ADDRESS_NATIVE(base, 3)
#define IORD_ALTERA_AVALON_PIO_EDGE_CAP(base)         IORD(base, 3) 
#define IOWR_ALTERA_AVALON_PIO_EDGE_CAP(base, data)   IOWR(base, 3, data)


#define IOADDR_ALTERA_AVALON_PIO_SET_BIT(base)       __IO_CALC_ADDRESS_NATIVE(base, 4)
#define IORD_ALTERA_AVALON_PIO_SET_BITS(base)         IORD(base, 4) 
#define IOWR_ALTERA_AVALON_PIO_SET_BITS(base, data)   IOWR(base, 4, data)
    
#define IOADDR_ALTERA_AVALON_PIO_CLEAR_BITS(base)       __IO_CALC_ADDRESS_NATIVE(base, 5)
#define IORD_ALTERA_AVALON_PIO_CLEAR_BITS(base)         IORD(base, 5) 
#define IOWR_ALTERA_AVALON_PIO_CLEAR_BITS(base, data)   IOWR(base, 5, data)
     

/* Defintions for direction-register operation with bi-directional PIOs */
#define ALTERA_AVALON_PIO_DIRECTION_INPUT  0
#define ALTERA_AVALON_PIO_DIRECTION_OUTPUT 1

#endif /* __ALTERA_AVALON_PIO_REGS_H__ */