1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * NCI based driver for Samsung S3FWRN5 NFC chip 4 * 5 * Copyright (C) 2015 Samsung Electrnoics 6 * Robert Baldyga <r.baldyga@samsung.com> 7 */ 8 9 #ifndef __LOCAL_S3FWRN5_H_ 10 #define __LOCAL_S3FWRN5_H_ 11 12 #include <linux/nfc.h> 13 14 #include <net/nfc/nci_core.h> 15 16 #include "firmware.h" 17 18 enum s3fwrn5_mode { 19 S3FWRN5_MODE_COLD, 20 S3FWRN5_MODE_NCI, 21 S3FWRN5_MODE_FW, 22 }; 23 24 struct s3fwrn5_phy_ops { 25 void (*set_wake)(void *id, bool sleep); 26 void (*set_mode)(void *id, enum s3fwrn5_mode); 27 enum s3fwrn5_mode (*get_mode)(void *id); 28 int (*write)(void *id, struct sk_buff *skb); 29 }; 30 31 struct s3fwrn5_info { 32 struct nci_dev *ndev; 33 void *phy_id; 34 struct device *pdev; 35 36 const struct s3fwrn5_phy_ops *phy_ops; 37 unsigned int max_payload; 38 39 struct s3fwrn5_fw_info fw_info; 40 41 struct mutex mutex; 42 }; 43 44 static inline int s3fwrn5_set_mode(struct s3fwrn5_info *info, 45 enum s3fwrn5_mode mode) 46 { 47 if (!info->phy_ops->set_mode) 48 return -ENOTSUPP; 49 50 info->phy_ops->set_mode(info->phy_id, mode); 51 52 return 0; 53 } 54 55 static inline enum s3fwrn5_mode s3fwrn5_get_mode(struct s3fwrn5_info *info) 56 { 57 if (!info->phy_ops->get_mode) 58 return -ENOTSUPP; 59 60 return info->phy_ops->get_mode(info->phy_id); 61 } 62 63 static inline int s3fwrn5_set_wake(struct s3fwrn5_info *info, bool wake) 64 { 65 if (!info->phy_ops->set_wake) 66 return -ENOTSUPP; 67 68 info->phy_ops->set_wake(info->phy_id, wake); 69 70 return 0; 71 } 72 73 static inline int s3fwrn5_write(struct s3fwrn5_info *info, struct sk_buff *skb) 74 { 75 if (!info->phy_ops->write) 76 return -ENOTSUPP; 77 78 return info->phy_ops->write(info->phy_id, skb); 79 } 80 81 int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev, 82 const struct s3fwrn5_phy_ops *phy_ops, unsigned int max_payload); 83 void s3fwrn5_remove(struct nci_dev *ndev); 84 85 int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb, 86 enum s3fwrn5_mode mode); 87 88 #endif /* __LOCAL_S3FWRN5_H_ */ 89