firmware.h
/* 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;
};
int s3fwrn5_fw_request_firmware(struct s3fwrn5_fw_info *fw_info);
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(const 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_ */