1 /* 2 * NCI based driver for Samsung S3FWRN5 NFC chip 3 * 4 * Copyright (C) 2015 Samsung Electrnoics 5 * Robert Baldyga <r.baldyga@samsung.com> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms and conditions of the GNU General Public License, 9 * version 2 or later, as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef __LOCAL_S3FWRN5_H_ 21 #define __LOCAL_S3FWRN5_H_ 22 23 #include <linux/nfc.h> 24 25 #include <net/nfc/nci_core.h> 26 27 #include "firmware.h" 28 29 enum s3fwrn5_mode { 30 S3FWRN5_MODE_COLD, 31 S3FWRN5_MODE_NCI, 32 S3FWRN5_MODE_FW, 33 }; 34 35 struct s3fwrn5_phy_ops { 36 void (*set_wake)(void *id, bool sleep); 37 void (*set_mode)(void *id, enum s3fwrn5_mode); 38 enum s3fwrn5_mode (*get_mode)(void *id); 39 int (*write)(void *id, struct sk_buff *skb); 40 }; 41 42 struct s3fwrn5_info { 43 struct nci_dev *ndev; 44 void *phy_id; 45 struct device *pdev; 46 47 const struct s3fwrn5_phy_ops *phy_ops; 48 unsigned int max_payload; 49 50 struct s3fwrn5_fw_info fw_info; 51 52 struct mutex mutex; 53 }; 54 55 static inline int s3fwrn5_set_mode(struct s3fwrn5_info *info, 56 enum s3fwrn5_mode mode) 57 { 58 if (!info->phy_ops->set_mode) 59 return -ENOTSUPP; 60 61 info->phy_ops->set_mode(info->phy_id, mode); 62 63 return 0; 64 } 65 66 static inline enum s3fwrn5_mode s3fwrn5_get_mode(struct s3fwrn5_info *info) 67 { 68 if (!info->phy_ops->get_mode) 69 return -ENOTSUPP; 70 71 return info->phy_ops->get_mode(info->phy_id); 72 } 73 74 static inline int s3fwrn5_set_wake(struct s3fwrn5_info *info, bool wake) 75 { 76 if (!info->phy_ops->set_wake) 77 return -ENOTSUPP; 78 79 info->phy_ops->set_wake(info->phy_id, wake); 80 81 return 0; 82 } 83 84 static inline int s3fwrn5_write(struct s3fwrn5_info *info, struct sk_buff *skb) 85 { 86 if (!info->phy_ops->write) 87 return -ENOTSUPP; 88 89 return info->phy_ops->write(info->phy_id, skb); 90 } 91 92 int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev, 93 const struct s3fwrn5_phy_ops *phy_ops, unsigned int max_payload); 94 void s3fwrn5_remove(struct nci_dev *ndev); 95 96 int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb, 97 enum s3fwrn5_mode mode); 98 99 #endif /* __LOCAL_S3FWRN5_H_ */ 100