/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * NCI based driver for Samsung S3FWRN5 NFC chip * * Copyright (C) 2015 Samsung Electrnoics * Robert Baldyga <r.baldyga@samsung.com> */ #ifndef __LOCAL_S3FWRN5_FIRMWARE_H_ #define __LOCAL_S3FWRN5_FIRMWARE_H_ /* FW Message Types */ #define S3FWRN5_FW_MSG_CMD 0x00 #define S3FWRN5_FW_MSG_RSP 0x01 #define S3FWRN5_FW_MSG_DATA 0x02 /* FW Return Codes */ #define S3FWRN5_FW_RET_SUCCESS 0x00 #define S3FWRN5_FW_RET_MESSAGE_TYPE_INVALID 0x01 #define S3FWRN5_FW_RET_COMMAND_INVALID 0x02 #define S3FWRN5_FW_RET_PAGE_DATA_OVERFLOW 0x03 #define S3FWRN5_FW_RET_SECT_DATA_OVERFLOW 0x04 #define S3FWRN5_FW_RET_AUTHENTICATION_FAIL 0x05 #define S3FWRN5_FW_RET_FLASH_OPERATION_FAIL 0x06 #define S3FWRN5_FW_RET_ADDRESS_OUT_OF_RANGE 0x07 #define S3FWRN5_FW_RET_PARAMETER_INVALID 0x08 /* ---- FW Packet structures ---- */ #define S3FWRN5_FW_HDR_SIZE 4 struct s3fwrn5_fw_header { __u8 type; __u8 code; __u16 len; }; #define S3FWRN5_FW_CMD_RESET 0x00 #define S3FWRN5_FW_CMD_GET_BOOTINFO 0x01 struct s3fwrn5_fw_cmd_get_bootinfo_rsp { __u8 hw_version[4]; __u16 sector_size; __u16 page_size; __u16 frame_max_size; __u16 hw_buffer_size; }; #define S3FWRN5_FW_CMD_ENTER_UPDATE_MODE 0x02 struct s3fwrn5_fw_cmd_enter_updatemode { __u16 hashcode_size; __u16 signature_size; }; #define S3FWRN5_FW_CMD_UPDATE_SECTOR 0x04 struct s3fwrn5_fw_cmd_update_sector { __u32 base_address; }; #define S3FWRN5_FW_CMD_COMPLETE_UPDATE_MODE 0x05 struct s3fwrn5_fw_image { const struct firmware *fw; char date[13]; u32 version; const void *sig; u32 sig_size; const void *image; u32 image_sectors; const void *custom_sig; u32 custom_sig_size; }; struct s3fwrn5_fw_info { struct nci_dev *ndev; struct s3fwrn5_fw_image fw; char fw_name[NFC_FIRMWARE_NAME_MAXSIZE + 1]; const void *sig; u32 sig_size; u32 sector_size; u32 base_addr; struct completion completion; struct sk_buff *rsp; char parity; }; void s3fwrn5_fw_init(struct s3fwrn5_fw_info *fw_info, const char *fw_name); int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info); bool s3fwrn5_fw_check_version(struct s3fwrn5_fw_info *fw_info, u32 version); int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info); void s3fwrn5_fw_cleanup(struct s3fwrn5_fw_info *fw_info); int s3fwrn5_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb); #endif /* __LOCAL_S3FWRN5_FIRMWARE_H_ */