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wdenk024a26b2002-08-21 21:35:08 +00001/*
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 */
60typedef 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
67typedef 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 */
74extern void fpga_init( ulong reloc_off );
75extern int fpga_add( fpga_type devtype, void *desc );
76extern const int fpga_count( void );
77extern int fpga_load( int devnum, void *buf, size_t bsize );
78extern int fpga_dump( int devnum, void *buf, size_t bsize );
79extern int fpga_info( int devnum );
80
81#endif /* _FPGA_H_ */