Robert Baldyga | c04c674 | 2015-08-20 17:26:02 +0200 | [diff] [blame] | 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 | |
Julia Lawall | c6b5df0 | 2015-11-13 13:04:41 +0100 | [diff] [blame] | 47 | const struct s3fwrn5_phy_ops *phy_ops; |
Robert Baldyga | c04c674 | 2015-08-20 17:26:02 +0200 | [diff] [blame] | 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, |
Julia Lawall | c6b5df0 | 2015-11-13 13:04:41 +0100 | [diff] [blame] | 93 | const struct s3fwrn5_phy_ops *phy_ops, unsigned int max_payload); |
Robert Baldyga | c04c674 | 2015-08-20 17:26:02 +0200 | [diff] [blame] | 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_ */ |