1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2014 NXP Semiconductors All rights reserved.
4 *
5 * Authors: Clément Perrochaud <clement.perrochaud@nxp.com>
6 *
7 * Derived from PN544 device driver:
8 * Copyright (C) 2012 Intel Corporation. All rights reserved.
9*/
10
11#ifndef __LOCAL_NXP_NCI_H_
12#define __LOCAL_NXP_NCI_H_
13
14#include <linux/completion.h>
15#include <linux/firmware.h>
16#include <linux/nfc.h>
17
18#include <net/nfc/nci_core.h>
19
20#define NXP_NCI_FW_HDR_LEN 2
21#define NXP_NCI_FW_CRC_LEN 2
22
23#define NXP_NCI_FW_FRAME_LEN_MASK 0x03FF
24
25enum nxp_nci_mode {
26 NXP_NCI_MODE_COLD,
27 NXP_NCI_MODE_NCI,
28 NXP_NCI_MODE_FW
29};
30
31struct nxp_nci_phy_ops {
32 int (*set_mode)(void *id, enum nxp_nci_mode mode);
33 int (*write)(void *id, struct sk_buff *skb);
34};
35
36struct nxp_nci_fw_info {
37 char name[NFC_FIRMWARE_NAME_MAXSIZE + 1];
38 const struct firmware *fw;
39
40 size_t size;
41 size_t written;
42
43 const u8 *data;
44 size_t frame_size;
45
46 struct work_struct work;
47 struct completion cmd_completion;
48
49 int cmd_result;
50};
51
52struct nxp_nci_info {
53 struct nci_dev *ndev;
54 void *phy_id;
55 struct device *pdev;
56
57 enum nxp_nci_mode mode;
58
59 const struct nxp_nci_phy_ops *phy_ops;
60 unsigned int max_payload;
61
62 struct mutex info_lock;
63
64 struct nxp_nci_fw_info fw_info;
65};
66
67int nxp_nci_fw_download(struct nci_dev *ndev, const char *firmware_name);
68void nxp_nci_fw_work(struct work_struct *work);
69void nxp_nci_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
70void nxp_nci_fw_work_complete(struct nxp_nci_info *info, int result);
71
72int nxp_nci_probe(void *phy_id, struct device *pdev,
73 const struct nxp_nci_phy_ops *phy_ops,
74 unsigned int max_payload,
75 struct nci_dev **ndev);
76void nxp_nci_remove(struct nci_dev *ndev);
77
78#endif /* __LOCAL_NXP_NCI_H_ */
79

source code of linux/drivers/nfc/nxp-nci/nxp-nci.h