| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * NCI based driver for Samsung S3FWRN5 NFC chip |
| 4 | * |
| 5 | * Copyright (C) 2015 Samsung Electrnoics |
| 6 | * Robert Baldyga <r.baldyga@samsung.com> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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_ */ |