Skip to content
Snippets Groups Projects
fpga.h 2.54 KiB
Newer Older
  • Learn to ignore specific revisions
  • Wolfgang Denk's avatar
    Wolfgang Denk committed
    /*
     * (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 );
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    extern int fpga_count( void );
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    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_ */