mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
Zhongfu Luo
07a3857d46
PD#SWPL-176790 Problem: S6: support read cali data Solution: S6: support read cali data Verify: S6 BL208 Change-Id: I3c3d7ba9f6b9ad619141ef0496b74c6648007d4a Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
137 lines
3.0 KiB
C
137 lines
3.0 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __EFUSE_H
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#define __EFUSE_H
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/* #define EFUSE_READ_ONLY */
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#ifndef EFUSE_READ_ONLY
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#define EFUSE_CLASS_ATTR CLASS_ATTR_RW
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#else
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#define EFUSE_CLASS_ATTR CLASS_ATTR_RO
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#endif
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#define EFUSE_CHECK_NAME_LEN 32
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struct aml_efuse_dev {
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struct platform_device *pdev;
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struct class cls;
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struct cdev cdev;
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dev_t devno;
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void __iomem *reg_base;
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unsigned int secureboot_mask;
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char name[EFUSE_CHECK_NAME_LEN];
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};
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struct aml_efuse_key {
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int num;
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struct efusekey_info *infos;
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};
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#define EFUSE_INFO_GET _IO('f', 0x40)
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#define EFUSE_HAL_API_READ 0
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#define EFUSE_HAL_API_WRITE 1
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#define EFUSE_HAL_API_USER_MAX 3
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#define AML_DATA_PROCESS (0x820000FF)
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#define AML_D_P_W_EFUSE_AMLOGIC (0x20)
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#define EFUSE_PATTERN_SIZE (0x400)
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#define EFUSE_OBJ_READ (0x8200003B)
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#define EFUSE_OBJ_WRITE (0x8200003C)
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enum efuse_obj_status_e {
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EFUSE_OBJ_SUCCESS = 0,
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EFUSE_OBJ_ERR_OTHER_INTERNAL = 1,
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EFUSE_OBJ_ERR_INVALID_DATA = 100,
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EFUSE_OBJ_ERR_NOT_FOUND,
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EFUSE_OBJ_ERR_DEPENDENCY,
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EFUSE_OBJ_ERR_SIZE,
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EFUSE_OBJ_ERR_NOT_SUPPORT,
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EFUSE_OBJ_ERR_ACCESS = 200,
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EFUSE_OBJ_ERR_WRITE_PROTECTED = 201,
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EFUSE_OBJ_ERR_UNKNOWN = 300,
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EFUSE_OBJ_ERR_INTERNAL,
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};
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enum efuse_obj_info_e {
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EFUSE_OBJ_EFUSE_DATA = 0,
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EFUSE_OBJ_LOCK_STATUS,
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};
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struct efuse_obj_field_t {
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char name[48];
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unsigned char data[32];
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unsigned int size;
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};
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/* efuse HAL_API arg */
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struct efuse_hal_api_arg {
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unsigned int cmd;
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unsigned int offset;
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unsigned int size;
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unsigned long buffer;
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unsigned long retcnt;
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};
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struct aml_efuse_cmd {
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unsigned int read_cmd;
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unsigned int write_cmd;
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unsigned int get_max_cmd;
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unsigned int mem_in_base_cmd;
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unsigned int mem_out_base_cmd;
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};
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struct lockable_info {
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char itemname[EFUSE_CHECK_NAME_LEN];
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unsigned int subcmd;
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};
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struct aml_efuse_lockable_check {
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unsigned int main_cmd;
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unsigned int item_num;
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struct lockable_info *infos;
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};
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extern struct aml_efuse_cmd efuse_cmd;
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extern void __iomem *sharemem_input_base;
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extern void __iomem *sharemem_output_base;
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extern unsigned int efuse_obj_cmd_status;
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extern unsigned int efuse_cali_item_read;
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ssize_t efuse_get_max(void);
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ssize_t efuse_read_usr(char *buf, size_t count, loff_t *ppos);
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ssize_t efuse_write_usr(char *buf, size_t count, loff_t *ppos);
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unsigned long efuse_amlogic_set(char *buf, size_t count);
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u32 efuse_obj_write(u32 obj_id, char *name, u8 *buff, u32 size);
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u32 efuse_obj_read(u32 obj_id, char *name, u8 *buff, u32 *size);
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/*return: 0:is configurated, -1: don't cfg*/
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int efuse_burn_lockable_is_cfg(char *itemname);
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/*
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* return: 1:burned(wrote), 0: not write, -1: fail
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*/
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int efuse_burn_check_burned(char *itemname);
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#ifdef CONFIG_AMLOGIC_EFUSE
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int __init aml_efuse_init(void);
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void aml_efuse_exit(void);
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#else
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static int __init aml_efuse_init(void)
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{
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return 0;
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}
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static void aml_efuse_exit(void)
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{
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}
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#endif
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#endif
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