xref: /openbmc/linux/drivers/nfc/mei_phy.h (revision 1c2dd16a)
1 #ifndef __LOCAL_MEI_PHY_H_
2 #define __LOCAL_MEI_PHY_H_
3 
4 #include <linux/mei_cl_bus.h>
5 #include <net/nfc/hci.h>
6 #include <linux/uuid.h>
7 
8 #define MEI_NFC_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, \
9 		0x94, 0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c)
10 #define MEI_NFC_HEADER_SIZE 10
11 #define MEI_NFC_MAX_HCI_PAYLOAD 300
12 
13 /**
14  * struct nfc_mei_phy
15  *
16  * @cldev: mei client device
17  * @hdev:   nfc hci device
18 
19  * @send_wq: send completion wait queue
20  * @fw_ivn: NFC Interface Version Number
21  * @vendor_id: NFC manufacturer ID
22  * @radio_type: NFC radio type
23  * @reserved: reserved for alignment
24  * @req_id:  message counter
25  * @recv_req_id: reception message counter
26  * @powered: the device is in powered state
27  * @hard_fault: < 0 if hardware error occurred
28  *    and prevents normal operation.
29  */
30 struct nfc_mei_phy {
31 	struct mei_cl_device *cldev;
32 	struct nfc_hci_dev *hdev;
33 
34 	wait_queue_head_t send_wq;
35 	u8 fw_ivn;
36 	u8 vendor_id;
37 	u8 radio_type;
38 	u8 reserved;
39 
40 	u16 req_id;
41 	u16 recv_req_id;
42 
43 	int powered;
44 	int hard_fault;
45 };
46 
47 extern struct nfc_phy_ops mei_phy_ops;
48 
49 struct nfc_mei_phy *nfc_mei_phy_alloc(struct mei_cl_device *device);
50 void nfc_mei_phy_free(struct nfc_mei_phy *phy);
51 
52 #endif /* __LOCAL_MEI_PHY_H_ */
53