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1 /*
2  * (C) Copyright 2002
3  * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 #include <linux/types.h>               /* for ulong typedef */
9
10 #ifndef _FPGA_H_
11 #define _FPGA_H_
12
13 #ifndef CONFIG_MAX_FPGA_DEVICES
14 #define CONFIG_MAX_FPGA_DEVICES         5
15 #endif
16
17 /* fpga_xxxx function return value definitions */
18 #define FPGA_SUCCESS            0
19 #define FPGA_FAIL               -1
20
21 /* device numbers must be non-negative */
22 #define FPGA_INVALID_DEVICE     -1
23
24 /* root data type defintions */
25 typedef enum {                  /* typedef fpga_type */
26         fpga_min_type,          /* range check value */
27         fpga_xilinx,            /* Xilinx Family) */
28         fpga_altera,            /* unimplemented */
29         fpga_lattice,           /* Lattice family */
30         fpga_undefined          /* invalid range check value */
31 } fpga_type;                    /* end, typedef fpga_type */
32
33 typedef struct {                /* typedef fpga_desc */
34         fpga_type devtype;      /* switch value to select sub-functions */
35         void *devdesc;          /* real device descriptor */
36 } fpga_desc;                    /* end, typedef fpga_desc */
37
38 typedef struct {                /* typedef fpga_desc */
39         unsigned int blocksize;
40         char *interface;
41         char *dev_part;
42         char *filename;
43         int fstype;
44 } fpga_fs_info;
45
46 typedef enum {
47         BIT_FULL = 0,
48         BIT_PARTIAL,
49 } bitstream_type;
50
51 /* root function definitions */
52 extern void fpga_init(void);
53 extern int fpga_add(fpga_type devtype, void *desc);
54 extern int fpga_count(void);
55 extern int fpga_load(int devnum, const void *buf, size_t bsize,
56                      bitstream_type bstype);
57 extern int fpga_fsload(int devnum, const void *buf, size_t size,
58                        fpga_fs_info *fpga_fsinfo);
59 extern int fpga_loadbitstream(int devnum, char *fpgadata, size_t size,
60                               bitstream_type bstype);
61 extern int fpga_dump(int devnum, const void *buf, size_t bsize);
62 extern int fpga_info(int devnum);
63 extern const fpga_desc *const fpga_validate(int devnum, const void *buf,
64                                             size_t bsize, char *fn);
65
66 #endif  /* _FPGA_H_ */