linux-imx

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef __LOCAL_MEI_PHY_H_

#define __LOCAL_MEI_PHY_H_

​

#include <linux/mei_cl_bus.h>

#include <net/nfc/hci.h>

#include <linux/uuid.h>

​

#define MEI_NFC_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, \

        0x94, 0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c)

#define MEI_NFC_HEADER_SIZE 10

#define MEI_NFC_MAX_HCI_PAYLOAD 300

​

/**

 * struct nfc_mei_phy

 *

 * @cldev: mei client device

 * @hdev:   nfc hci device

​

 * @send_wq: send completion wait queue

 * @fw_ivn: NFC Interface Version Number

 * @vendor_id: NFC manufacturer ID

 * @radio_type: NFC radio type

 * @reserved: reserved for alignment

 * @req_id:  message counter

 * @recv_req_id: reception message counter

 * @powered: the device is in powered state

 * @hard_fault: < 0 if hardware error occurred

 *    and prevents normal operation.

 */

struct nfc_mei_phy {

    struct mei_cl_device *cldev;

    struct nfc_hci_dev *hdev;

​

    wait_queue_head_t send_wq;

    u8 fw_ivn;

    u8 vendor_id;

    u8 radio_type;

    u8 reserved;

​

    u16 req_id;

    u16 recv_req_id;

​

    int powered;

    int hard_fault;

};

​

extern struct nfc_phy_ops mei_phy_ops;

​

struct nfc_mei_phy *nfc_mei_phy_alloc(struct mei_cl_device *device);

void nfc_mei_phy_free(struct nfc_mei_phy *phy);

​

#endif /* __LOCAL_MEI_PHY_H_ */