112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
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/*
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* NCI based driver for Samsung S3FWRN5 NFC chip
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*
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* Copyright (C) 2015 Samsung Electrnoics
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* Robert Baldyga <r.baldyga@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2 or later, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __LOCAL_S3FWRN5_FIRMWARE_H_
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#define __LOCAL_S3FWRN5_FIRMWARE_H_
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/* FW Message Types */
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#define S3FWRN5_FW_MSG_CMD 0x00
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#define S3FWRN5_FW_MSG_RSP 0x01
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#define S3FWRN5_FW_MSG_DATA 0x02
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/* FW Return Codes */
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#define S3FWRN5_FW_RET_SUCCESS 0x00
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#define S3FWRN5_FW_RET_MESSAGE_TYPE_INVALID 0x01
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#define S3FWRN5_FW_RET_COMMAND_INVALID 0x02
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#define S3FWRN5_FW_RET_PAGE_DATA_OVERFLOW 0x03
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#define S3FWRN5_FW_RET_SECT_DATA_OVERFLOW 0x04
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#define S3FWRN5_FW_RET_AUTHENTICATION_FAIL 0x05
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#define S3FWRN5_FW_RET_FLASH_OPERATION_FAIL 0x06
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#define S3FWRN5_FW_RET_ADDRESS_OUT_OF_RANGE 0x07
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#define S3FWRN5_FW_RET_PARAMETER_INVALID 0x08
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/* ---- FW Packet structures ---- */
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#define S3FWRN5_FW_HDR_SIZE 4
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struct s3fwrn5_fw_header {
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__u8 type;
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__u8 code;
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__u16 len;
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};
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#define S3FWRN5_FW_CMD_RESET 0x00
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#define S3FWRN5_FW_CMD_GET_BOOTINFO 0x01
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struct s3fwrn5_fw_cmd_get_bootinfo_rsp {
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__u8 hw_version[4];
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__u16 sector_size;
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__u16 page_size;
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__u16 frame_max_size;
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__u16 hw_buffer_size;
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};
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#define S3FWRN5_FW_CMD_ENTER_UPDATE_MODE 0x02
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struct s3fwrn5_fw_cmd_enter_updatemode {
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__u16 hashcode_size;
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__u16 signature_size;
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};
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#define S3FWRN5_FW_CMD_UPDATE_SECTOR 0x04
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struct s3fwrn5_fw_cmd_update_sector {
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__u32 base_address;
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};
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#define S3FWRN5_FW_CMD_COMPLETE_UPDATE_MODE 0x05
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struct s3fwrn5_fw_image {
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const struct firmware *fw;
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char date[13];
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u32 version;
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const void *sig;
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u32 sig_size;
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const void *image;
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u32 image_sectors;
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const void *custom_sig;
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u32 custom_sig_size;
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};
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struct s3fwrn5_fw_info {
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struct nci_dev *ndev;
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struct s3fwrn5_fw_image fw;
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char fw_name[NFC_FIRMWARE_NAME_MAXSIZE + 1];
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const void *sig;
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u32 sig_size;
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u32 sector_size;
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u32 base_addr;
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struct completion completion;
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struct sk_buff *rsp;
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char parity;
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};
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void s3fwrn5_fw_init(struct s3fwrn5_fw_info *fw_info, const char *fw_name);
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int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info);
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bool s3fwrn5_fw_check_version(struct s3fwrn5_fw_info *fw_info, u32 version);
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int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info);
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void s3fwrn5_fw_cleanup(struct s3fwrn5_fw_info *fw_info);
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int s3fwrn5_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
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#endif /* __LOCAL_S3FWRN5_FIRMWARE_H_ */
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