1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __LOCAL_MEI_PHY_H_
3#define __LOCAL_MEI_PHY_H_
4
5#include <linux/mei_cl_bus.h>
6#include <net/nfc/hci.h>
7#include <linux/uuid.h>
8
9#define MEI_NFC_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, \
10 0x94, 0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c)
11#define MEI_NFC_HEADER_SIZE 10
12#define MEI_NFC_MAX_HCI_PAYLOAD 300
13
14/**
15 * struct nfc_mei_phy
16 *
17 * @cldev: mei client device
18 * @hdev: nfc hci device
19
20 * @send_wq: send completion wait queue
21 * @fw_ivn: NFC Interface Version Number
22 * @vendor_id: NFC manufacturer ID
23 * @radio_type: NFC radio type
24 * @reserved: reserved for alignment
25 * @req_id: message counter
26 * @recv_req_id: reception message counter
27 * @powered: the device is in powered state
28 * @hard_fault: < 0 if hardware error occurred
29 * and prevents normal operation.
30 */
31struct nfc_mei_phy {
32 struct mei_cl_device *cldev;
33 struct nfc_hci_dev *hdev;
34
35 wait_queue_head_t send_wq;
36 u8 fw_ivn;
37 u8 vendor_id;
38 u8 radio_type;
39 u8 reserved;
40
41 u16 req_id;
42 u16 recv_req_id;
43
44 int powered;
45 int hard_fault;
46};
47
48extern struct nfc_phy_ops mei_phy_ops;
49
50struct nfc_mei_phy *nfc_mei_phy_alloc(struct mei_cl_device *device);
51void nfc_mei_phy_free(struct nfc_mei_phy *phy);
52
53#endif /* __LOCAL_MEI_PHY_H_ */
54