1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2014 NXP Semiconductors All rights reserved. 4 * 5 * Authors: Clément Perrochaud <clement.perrochaud@nxp.com> 6 * 7 * Derived from PN544 device driver: 8 * Copyright (C) 2012 Intel Corporation. All rights reserved. 9 */ 10 11 #ifndef __LOCAL_NXP_NCI_H_ 12 #define __LOCAL_NXP_NCI_H_ 13 14 #include <linux/completion.h> 15 #include <linux/firmware.h> 16 #include <linux/nfc.h> 17 18 #include <net/nfc/nci_core.h> 19 20 #define NXP_NCI_FW_HDR_LEN 2 21 #define NXP_NCI_FW_CRC_LEN 2 22 23 #define NXP_NCI_FW_FRAME_LEN_MASK 0x03FF 24 25 enum nxp_nci_mode { 26 NXP_NCI_MODE_COLD, 27 NXP_NCI_MODE_NCI, 28 NXP_NCI_MODE_FW 29 }; 30 31 struct nxp_nci_phy_ops { 32 int (*set_mode)(void *id, enum nxp_nci_mode mode); 33 int (*write)(void *id, struct sk_buff *skb); 34 }; 35 36 struct nxp_nci_fw_info { 37 char name[NFC_FIRMWARE_NAME_MAXSIZE + 1]; 38 const struct firmware *fw; 39 40 size_t size; 41 size_t written; 42 43 const u8 *data; 44 size_t frame_size; 45 46 struct work_struct work; 47 struct completion cmd_completion; 48 49 int cmd_result; 50 }; 51 52 struct nxp_nci_info { 53 struct nci_dev *ndev; 54 void *phy_id; 55 struct device *pdev; 56 57 enum nxp_nci_mode mode; 58 59 const struct nxp_nci_phy_ops *phy_ops; 60 unsigned int max_payload; 61 62 struct mutex info_lock; 63 64 struct nxp_nci_fw_info fw_info; 65 }; 66 67 int nxp_nci_fw_download(struct nci_dev *ndev, const char *firmware_name); 68 void nxp_nci_fw_work(struct work_struct *work); 69 void nxp_nci_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb); 70 void nxp_nci_fw_work_complete(struct nxp_nci_info *info, int result); 71 72 int nxp_nci_probe(void *phy_id, struct device *pdev, 73 const struct nxp_nci_phy_ops *phy_ops, 74 unsigned int max_payload, 75 struct nci_dev **ndev); 76 void nxp_nci_remove(struct nci_dev *ndev); 77 78 #endif /* __LOCAL_NXP_NCI_H_ */ 79