mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
c04c674fad
Add driver for Samsung S3FWRN5 NFC controller. S3FWRN5 is using NCI protocol and I2C communication interface. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/*
|
|
* NCI based driver for Samsung S3FWRN5 NFC chip
|
|
*
|
|
* Copyright (C) 2015 Samsung Electrnoics
|
|
* Robert Baldyga <r.baldyga@samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2 or later, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#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_ */
|