diff options
Diffstat (limited to 'drivers/nfc/mei_phy.h')
| -rw-r--r-- | drivers/nfc/mei_phy.h | 53 |
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 0000000000..2b1edb3eba --- /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 const 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_ */ |