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/*
* (C) Copyright 2002
* Rich Ireland, Enterasys Networks, rireland@enterasys.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <linux/types.h> /* for ulong typedef */
#ifndef _FPGA_H_
#define _FPGA_H_
#ifndef CONFIG_MAX_FPGA_DEVICES
#define CONFIG_MAX_FPGA_DEVICES 5
#endif
/* these probably belong somewhere else */
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
/* CONFIG_FPGA bit assignments */
#define CFG_FPGA_MAN(x) (x)
#define CFG_FPGA_DEV(x) ((x) << 8 )
#define CFG_FPGA_IF(x) ((x) << 16 )
/* FPGA Manufacturer bits in CONFIG_FPGA */
#define CFG_FPGA_XILINX CFG_FPGA_MAN( 0x1 )
#define CFG_FPGA_ALTERA CFG_FPGA_MAN( 0x2 )
/* fpga_xxxx function return value definitions */
#define FPGA_SUCCESS 0
#define FPGA_FAIL -1
/* device numbers must be non-negative */
#define FPGA_INVALID_DEVICE -1
/* root data type defintions */
typedef enum { /* typedef fpga_type */
fpga_min_type, /* range check value */
fpga_xilinx, /* Xilinx Family) */
fpga_altera, /* unimplemented */
fpga_undefined /* invalid range check value */
} fpga_type; /* end, typedef fpga_type */
typedef struct { /* typedef fpga_desc */
fpga_type devtype; /* switch value to select sub-functions */
void * devdesc; /* real device descriptor */
} fpga_desc; /* end, typedef fpga_desc */
/* root function definitions */
extern void fpga_init( ulong reloc_off );
extern int fpga_add( fpga_type devtype, void *desc );
extern const int fpga_count( void );
extern int fpga_load( int devnum, void *buf, size_t bsize );
extern int fpga_dump( int devnum, void *buf, size_t bsize );
extern int fpga_info( int devnum );
#endif /* _FPGA_H_ */
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