summaryrefslogtreecommitdiffstats
path: root/drivers/nfc/mei_phy.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/nfc/mei_phy.h')
-rw-r--r--drivers/nfc/mei_phy.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/nfc/mei_phy.h b/drivers/nfc/mei_phy.h
new file mode 100644
index 000000000..51bd44f5f
--- /dev/null
+++ b/drivers/nfc/mei_phy.h
@@ -0,0 +1,53 @@
+/* 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_ */