drivers/nfc/s3fwrn5/firmware.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * NCI based driver for Samsung S3FWRN5 NFC chip
   4  *
   5  * Copyright (C) 2015 Samsung Electrnoics
   6  * Robert Baldyga <[email protected]>
   7  */
   8
   9 #ifndef __LOCAL_S3FWRN5_FIRMWARE_H_
  10 #define __LOCAL_S3FWRN5_FIRMWARE_H_
  11
  12 /* FW Message Types */
  13 #define S3FWRN5_FW_MSG_CMD                      0x00
  14 #define S3FWRN5_FW_MSG_RSP                      0x01
  15 #define S3FWRN5_FW_MSG_DATA                     0x02
  16
  17 /* FW Return Codes */
  18 #define S3FWRN5_FW_RET_SUCCESS                  0x00
  19 #define S3FWRN5_FW_RET_MESSAGE_TYPE_INVALID     0x01
  20 #define S3FWRN5_FW_RET_COMMAND_INVALID          0x02
  21 #define S3FWRN5_FW_RET_PAGE_DATA_OVERFLOW       0x03
  22 #define S3FWRN5_FW_RET_SECT_DATA_OVERFLOW       0x04
  23 #define S3FWRN5_FW_RET_AUTHENTICATION_FAIL      0x05
  24 #define S3FWRN5_FW_RET_FLASH_OPERATION_FAIL     0x06
  25 #define S3FWRN5_FW_RET_ADDRESS_OUT_OF_RANGE     0x07
  26 #define S3FWRN5_FW_RET_PARAMETER_INVALID        0x08
  27
  28 /* ---- FW Packet structures ---- */
  29 #define S3FWRN5_FW_HDR_SIZE 4
  30
  31 struct s3fwrn5_fw_header {
  32         __u8 type;
  33         __u8 code;
  34         __u16 len;
  35 };
  36
  37 #define S3FWRN5_FW_CMD_RESET                    0x00
  38
  39 #define S3FWRN5_FW_CMD_GET_BOOTINFO             0x01
  40
  41 struct s3fwrn5_fw_cmd_get_bootinfo_rsp {
  42         __u8 hw_version[4];
  43         __u16 sector_size;
  44         __u16 page_size;
  45         __u16 frame_max_size;
  46         __u16 hw_buffer_size;
  47 };
  48
  49 #define S3FWRN5_FW_CMD_ENTER_UPDATE_MODE        0x02
  50
  51 struct s3fwrn5_fw_cmd_enter_updatemode {
  52         __u16 hashcode_size;
  53         __u16 signature_size;
  54 };
  55
  56 #define S3FWRN5_FW_CMD_UPDATE_SECTOR            0x04
  57
  58 struct s3fwrn5_fw_cmd_update_sector {
  59         __u32 base_address;
  60 };
  61
  62 #define S3FWRN5_FW_CMD_COMPLETE_UPDATE_MODE     0x05
  63
  64 struct s3fwrn5_fw_image {
  65         const struct firmware *fw;
  66
  67         char date[13];
  68         u32 version;
  69         const void *sig;
  70         u32 sig_size;
  71         const void *image;
  72         u32 image_sectors;
  73         const void *custom_sig;
  74         u32 custom_sig_size;
  75 };
  76
  77 struct s3fwrn5_fw_info {
  78         struct nci_dev *ndev;
  79         struct s3fwrn5_fw_image fw;
  80         char fw_name[NFC_FIRMWARE_NAME_MAXSIZE + 1];
  81
  82         const void *sig;
  83         u32 sig_size;
  84         u32 sector_size;
  85         u32 base_addr;
  86
  87         struct completion completion;
  88         struct sk_buff *rsp;
  89         char parity;
  90 };
  91
  92 int s3fwrn5_fw_request_firmware(struct s3fwrn5_fw_info *fw_info);
  93 void s3fwrn5_fw_init(struct s3fwrn5_fw_info *fw_info, const char *fw_name);
  94 int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info);
  95 bool s3fwrn5_fw_check_version(const struct s3fwrn5_fw_info *fw_info, u32 version);
  96 int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info);
  97 void s3fwrn5_fw_cleanup(struct s3fwrn5_fw_info *fw_info);
  98
  99 int s3fwrn5_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
 100
 101 #endif /* __LOCAL_S3FWRN5_FIRMWARE_H_ */