arch/arm/include/asm/amlogic/arch-a4/efuse.h

/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
 * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
 */

#ifndef __EFUSE_H
#define __EFUSE_H

#include <config.h>
#include <common.h>

/* efuse HAL_API arg */
struct efuse_hal_api_arg {
	unsigned int cmd;		/* R/W */
	unsigned int offset;
	unsigned int size;
	unsigned long buffer_phy;
	unsigned long retcnt_phy;
};

typedef struct efuse_cali {
	unsigned int revision:4;
	unsigned int reserve1:4;
	unsigned int tsensor_data:15;
	unsigned int tsensor_flag:1;
	unsigned int cvbs_data:7;
	unsigned int cvbs_flag:1;
	unsigned int ethernet_data:5;
	unsigned int ethernet_flag:1;
	unsigned int reserve2:2;
	unsigned int saradc_data:6;
	unsigned int saradc_flag:1;
	unsigned int reserve3:1;
	unsigned int usbphy_data:4;
	unsigned int usbphy_flag:1;
	unsigned int reserve4:11;
} efuse_cali_t;

#define EFUSE_CALI_SIZE			8
#define EFUSE_CALI_CVBS

#define EFUSE_BYTES				512   /* (EFUSE_BITS/8) */

#define EFUSE_HAL_API_READ	0
#define EFUSE_HAL_API_WRITE 1
#define EFUSE_HAL_API_WRITE_PATTERN 2
#define EFUSE_HAL_API_USER_MAX 3
#define EFUSE_HAL_API_READ_CALI 4
#define EFUSE_HAL_API_CHECKPATTERN_ITEM  6
#define CONFIG_EFUSE_OBJ_API 1

#define EFUSE_USER_MASK            (0x1 << 16)
#define EFUSE_THERMAL_MASK         (0x1 << 17)
#define EFUSE_THERMAL_VERFLAG_MASK (0x1 << 18)
#define EFUSE_ENCRYPT_MASK         (0x1 << 19)

//#define ASSIST_HW_REV                              0x1f53

typedef enum efuse_obj_status_s {
	EFUSE_OBJ_SUCCESS		= 0,

	EFUSE_OBJ_ERR_OTHER_INTERNAL	= 1,

	EFUSE_OBJ_ERR_INVALID_DATA	= 100,
	EFUSE_OBJ_ERR_NOT_FOUND,
	EFUSE_OBJ_ERR_DEPENDENCY,
	EFUSE_OBJ_ERR_SIZE,
	EFUSE_OBJ_ERR_NOT_SUPPORT,

	EFUSE_OBJ_ERR_ACCESS		= 200,
	EFUSE_OBJ_ERR_WRITE_PROTECTED = 201,

	EFUSE_OBJ_ERR_TAG = 220,

	EFUSE_OBJ_ERR_UNKNOWN		= 300,
	EFUSE_OBJ_ERR_INTERNAL,
} efuse_obj_status_e;

typedef enum efuse_obj_info_s {
	EFUSE_OBJ_EFUSE_DATA	= 0,
	EFUSE_OBJ_LOCK_STATUS,
	EFUSE_OBJ_EFUSE_ENC_DATA,
} efuse_obj_info_e;

typedef struct {
	char name[48];
	unsigned char data[32];
	unsigned int size;
} efuse_obj_field_t;

typedef struct {
	char name[48];
	unsigned char data[32];
	unsigned int size;
	unsigned char iv[12];
	unsigned char tag[16];
} efuse_obj_enc_field_t;

int efuse_read_usr(char *buf, size_t count, loff_t *ppos);
int efuse_write_usr(char *buf, size_t count, loff_t *ppos);
uint32_t efuse_get_max(void);
ssize_t efuse_read(char *buf, size_t count, loff_t *ppos);
ssize_t efuse_write(const char *buf, size_t count, loff_t *ppos);

int32_t meson_trustzone_efuse(struct efuse_hal_api_arg *arg);
int32_t meson_trustzone_efuse_get_max(struct efuse_hal_api_arg *arg);
int64_t meson_trustzone_efuse_lockitem(const char *str);

#ifdef CONFIG_EFUSE_OBJ_API
uint32_t meson_efuse_obj_write(uint32_t obj_id, uint8_t *buff, uint32_t size);
uint32_t meson_efuse_obj_read(uint32_t obj_id, uint8_t *buff, uint32_t *size);
uint32_t efuse_obj_write(uint32_t obj_id, char *name, uint8_t *buff, uint32_t size);
uint32_t efuse_obj_read(uint32_t obj_id, char *name, uint8_t *buff, uint32_t *size);
uint32_t efuse_obj_set_data(char *name, char *data);
uint32_t efuse_obj_set_license(char *name);
uint32_t efuse_obj_set_enc_data(char *name, char *data);
uint32_t efuse_obj_lock(char *name);
uint32_t efuse_obj_get_data(char *name);
uint32_t efuse_obj_get_lock(char *name);
extern efuse_obj_field_t efuse_field;
#endif /* CONFIG_EFUSE_OBJ_API */
#endif