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 #include <linux/platform_data/nxp-nci.h> 18 19 #include <net/nfc/nci_core.h> 20 21 #define NXP_NCI_FW_HDR_LEN 2 22 #define NXP_NCI_FW_CRC_LEN 2 23 24 #define NXP_NCI_FW_FRAME_LEN_MASK 0x03FF 25 26 enum nxp_nci_mode { 27 NXP_NCI_MODE_COLD, 28 NXP_NCI_MODE_NCI, 29 NXP_NCI_MODE_FW 30 }; 31 32 struct nxp_nci_phy_ops { 33 int (*set_mode)(void *id, enum nxp_nci_mode mode); 34 int (*write)(void *id, struct sk_buff *skb); 35 }; 36 37 struct nxp_nci_fw_info { 38 char name[NFC_FIRMWARE_NAME_MAXSIZE + 1]; 39 const struct firmware *fw; 40 41 size_t size; 42 size_t written; 43 44 const u8 *data; 45 size_t frame_size; 46 47 struct work_struct work; 48 struct completion cmd_completion; 49 50 int cmd_result; 51 }; 52 53 struct nxp_nci_info { 54 struct nci_dev *ndev; 55 void *phy_id; 56 struct device *pdev; 57 58 enum nxp_nci_mode mode; 59 60 const struct nxp_nci_phy_ops *phy_ops; 61 unsigned int max_payload; 62 63 struct mutex info_lock; 64 65 struct nxp_nci_fw_info fw_info; 66 }; 67 68 int nxp_nci_fw_download(struct nci_dev *ndev, const char *firmware_name); 69 void nxp_nci_fw_work(struct work_struct *work); 70 void nxp_nci_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb); 71 void nxp_nci_fw_work_complete(struct nxp_nci_info *info, int result); 72 73 int nxp_nci_probe(void *phy_id, struct device *pdev, 74 const struct nxp_nci_phy_ops *phy_ops, 75 unsigned int max_payload, 76 struct nci_dev **ndev); 77 void nxp_nci_remove(struct nci_dev *ndev); 78 79 #endif /* __LOCAL_NXP_NCI_H_ */ 80