82 行
1.8 KiB
C
82 行
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
|
|
*/
|
|
|
|
#ifndef __ESE_COLD_RESET_H
|
|
#define __ESE_COLD_RESET_H
|
|
|
|
#include <nfcinfo.h>
|
|
|
|
#define MAX_BUFF_SIZE 264
|
|
|
|
/* ESE_COLD_RESET MACROS */
|
|
#define COLD_RESET_CMD_LEN 3
|
|
#define COLD_RESET_RSP_LEN 4
|
|
#define COLD_RESET_PROT_CMD_LEN 4
|
|
#define COLD_RESET_PROT_RSP_LEN 4
|
|
#define PROP_NCI_CMD_GID 0x2F
|
|
#define COLD_RESET_CMD_PL_LEN 0x00
|
|
#define COLD_RESET_PROT_CMD_PL_LEN 0x01
|
|
#define PROP_NCI_RSP_GID 0x4F
|
|
#define COLD_RESET_OID 0x1E
|
|
#define COLD_RESET_PROT_OID 0x1F
|
|
|
|
#define ESE_COLD_RESET _IOWR(NFCC_MAGIC, 0x08, struct ese_ioctl_arg)
|
|
|
|
enum ese_ioctl_arg_type {
|
|
ESE_ARG_TYPE_COLD_RESET = 0,
|
|
};
|
|
|
|
/* ESE_COLD_RESET ioctl origin, max 4 are supported */
|
|
enum ese_cold_reset_origin {
|
|
ESE_COLD_RESET_ORIGIN_ESE = 0,
|
|
ESE_COLD_RESET_ORIGIN_NFC,
|
|
ESE_COLD_RESET_ORIGIN_OTHER = 0x20,
|
|
ESE_COLD_RESET_ORIGIN_NONE = 0xFF,
|
|
};
|
|
|
|
/* ESE_COLD_RESET ioctl sub commands, max 8 are supported */
|
|
enum ese_cold_reset_sub_cmd {
|
|
ESE_COLD_RESET_DO = 0,
|
|
ESE_COLD_RESET_PROTECT_EN,
|
|
ESE_COLD_RESET_PROTECT_DIS,
|
|
};
|
|
|
|
/* Data passed in buf of ese cold reset ioctl */
|
|
struct ese_cold_reset_arg {
|
|
__u8 src;
|
|
__u8 sub_cmd;
|
|
__u16 rfu;
|
|
};
|
|
|
|
/* Argument buffer passed to ese ioctl */
|
|
struct ese_ioctl_arg {
|
|
__u64 buf;
|
|
__u32 buf_size;
|
|
__u8 type;
|
|
};
|
|
|
|
/* Features specific Parameters */
|
|
struct cold_reset {
|
|
wait_queue_head_t read_wq;
|
|
char *cmd_buf;
|
|
uint16_t cmd_len;
|
|
uint16_t rsp_len;
|
|
/* Source of last ese protection command */
|
|
uint8_t last_src_ese_prot;
|
|
uint8_t status;
|
|
/* Is cold reset protection enabled */
|
|
bool is_crp_en;
|
|
bool rsp_pending;
|
|
/* Is NFC enabled from UI */
|
|
bool is_nfc_enabled;
|
|
bool is_nfc_read_pending;
|
|
};
|
|
|
|
struct nfc_dev;
|
|
int ese_cold_reset_ioctl(struct nfc_dev *nfc_dev, unsigned long arg);
|
|
int read_cold_reset_rsp(struct nfc_dev *nfc_dev, char *header);
|
|
|
|
#endif
|