1 files changed, 79 insertions, 0 deletions
diff --git a/include/fpga.h b/include/fpga.h
new file mode 100644
index 0000000..ec51443
--- /dev/null
+++ b/include/fpga.h
@@ -0,0 +1,79 @@
+/* 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_ */