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