1 /* 2 * (C) Copyright 2002 3 * Rich Ireland, Enterasys Networks, rireland@enterasys.com. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 * 23 */ 24 25 #include <linux/types.h> /* for ulong typedef */ 26 27 #ifndef _FPGA_H_ 28 #define _FPGA_H_ 29 30 #ifndef CONFIG_MAX_FPGA_DEVICES 31 #define CONFIG_MAX_FPGA_DEVICES 5 32 #endif 33 34 /* these probably belong somewhere else */ 35 #ifndef FALSE 36 #define FALSE (0) 37 #endif 38 #ifndef TRUE 39 #define TRUE (!FALSE) 40 #endif 41 42 /* CONFIG_FPGA bit assignments */ 43 #define CFG_FPGA_MAN(x) (x) 44 #define CFG_FPGA_DEV(x) ((x) << 8 ) 45 #define CFG_FPGA_IF(x) ((x) << 16 ) 46 47 /* FPGA Manufacturer bits in CONFIG_FPGA */ 48 #define CFG_FPGA_XILINX CFG_FPGA_MAN( 0x1 ) 49 #define CFG_FPGA_ALTERA CFG_FPGA_MAN( 0x2 ) 50 51 52 /* fpga_xxxx function return value definitions */ 53 #define FPGA_SUCCESS 0 54 #define FPGA_FAIL -1 55 56 /* device numbers must be non-negative */ 57 #define FPGA_INVALID_DEVICE -1 58 59 /* root data type defintions */ 60 typedef enum { /* typedef fpga_type */ 61 fpga_min_type, /* range check value */ 62 fpga_xilinx, /* Xilinx Family) */ 63 fpga_altera, /* unimplemented */ 64 fpga_undefined /* invalid range check value */ 65 } fpga_type; /* end, typedef fpga_type */ 66 67 typedef struct { /* typedef fpga_desc */ 68 fpga_type devtype; /* switch value to select sub-functions */ 69 void * devdesc; /* real device descriptor */ 70 } fpga_desc; /* end, typedef fpga_desc */ 71 72 73 /* root function definitions */ 74 extern void fpga_init( ulong reloc_off ); 75 extern int fpga_add( fpga_type devtype, void *desc ); 76 extern int fpga_count( void ); 77 extern int fpga_load( int devnum, void *buf, size_t bsize ); 78 extern int fpga_dump( int devnum, void *buf, size_t bsize ); 79 extern int fpga_info( int devnum ); 80 81 #endif /* _FPGA_H_ */ 82