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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2002
* Rich Ireland, Enterasys Networks, rireland@enterasys.com.
*/
#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
/* 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
#define FPGA_ENC_USR_KEY 1
#define FPGA_NO_ENC_OR_NO_AUTH 2
/* root data type defintions */
typedef enum { /* typedef fpga_type */
fpga_min_type, /* range check value */
fpga_xilinx, /* Xilinx Family) */
fpga_altera, /* unimplemented */
fpga_lattice, /* Lattice family */
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 */
typedef struct { /* typedef fpga_desc */
unsigned int blocksize;
char *interface;
char *dev_part;
const char *filename;
int fstype;
} fpga_fs_info;
struct fpga_secure_info {
u8 *userkey_addr;
u8 authflag;
u8 encflag;
};
typedef enum {
BIT_FULL = 0,
BIT_PARTIAL,
BIT_NONE = 0xFF,
} bitstream_type;
/* root function definitions */
void fpga_init(void);
int fpga_add(fpga_type devtype, void *desc);
int fpga_count(void);
const fpga_desc *const fpga_get_desc(int devnum);
int fpga_is_partial_data(int devnum, size_t img_len);
int fpga_load(int devnum, const void *buf, size_t bsize,
bitstream_type bstype);
int fpga_fsload(int devnum, const void *buf, size_t size,
fpga_fs_info *fpga_fsinfo);
int fpga_loads(int devnum, const void *buf, size_t size,
struct fpga_secure_info *fpga_sec_info);
int fpga_loadbitstream(int devnum, char *fpgadata, size_t size,
bitstream_type bstype);
int fpga_dump(int devnum, const void *buf, size_t bsize);
int fpga_info(int devnum);
const fpga_desc *const fpga_validate(int devnum, const void *buf,
size_t bsize, char *fn);
#endif /* _FPGA_H_ */
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