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| -rw-r--r-- | include/fpga.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/include/fpga.h b/include/fpga.h new file mode 100644 index 0000000..782b58e --- /dev/null +++ b/include/fpga.h @@ -0,0 +1,81 @@ +/* + * (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_ */ |