xref: /OK3568_Linux_fs/kernel/drivers/nfc/mei_phy.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __LOCAL_MEI_PHY_H_
3*4882a593Smuzhiyun #define __LOCAL_MEI_PHY_H_
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/mei_cl_bus.h>
6*4882a593Smuzhiyun #include <net/nfc/hci.h>
7*4882a593Smuzhiyun #include <linux/uuid.h>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #define MEI_NFC_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, \
10*4882a593Smuzhiyun 		0x94, 0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c)
11*4882a593Smuzhiyun #define MEI_NFC_HEADER_SIZE 10
12*4882a593Smuzhiyun #define MEI_NFC_MAX_HCI_PAYLOAD 300
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /**
15*4882a593Smuzhiyun  * struct nfc_mei_phy
16*4882a593Smuzhiyun  *
17*4882a593Smuzhiyun  * @cldev: mei client device
18*4882a593Smuzhiyun  * @hdev:   nfc hci device
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun  * @send_wq: send completion wait queue
21*4882a593Smuzhiyun  * @fw_ivn: NFC Interface Version Number
22*4882a593Smuzhiyun  * @vendor_id: NFC manufacturer ID
23*4882a593Smuzhiyun  * @radio_type: NFC radio type
24*4882a593Smuzhiyun  * @reserved: reserved for alignment
25*4882a593Smuzhiyun  * @req_id:  message counter
26*4882a593Smuzhiyun  * @recv_req_id: reception message counter
27*4882a593Smuzhiyun  * @powered: the device is in powered state
28*4882a593Smuzhiyun  * @hard_fault: < 0 if hardware error occurred
29*4882a593Smuzhiyun  *    and prevents normal operation.
30*4882a593Smuzhiyun  */
31*4882a593Smuzhiyun struct nfc_mei_phy {
32*4882a593Smuzhiyun 	struct mei_cl_device *cldev;
33*4882a593Smuzhiyun 	struct nfc_hci_dev *hdev;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 	wait_queue_head_t send_wq;
36*4882a593Smuzhiyun 	u8 fw_ivn;
37*4882a593Smuzhiyun 	u8 vendor_id;
38*4882a593Smuzhiyun 	u8 radio_type;
39*4882a593Smuzhiyun 	u8 reserved;
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun 	u16 req_id;
42*4882a593Smuzhiyun 	u16 recv_req_id;
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun 	int powered;
45*4882a593Smuzhiyun 	int hard_fault;
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun extern struct nfc_phy_ops mei_phy_ops;
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun struct nfc_mei_phy *nfc_mei_phy_alloc(struct mei_cl_device *device);
51*4882a593Smuzhiyun void nfc_mei_phy_free(struct nfc_mei_phy *phy);
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #endif /* __LOCAL_MEI_PHY_H_ */
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