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dece4585 CP |
1 | /* |
2 | * Copyright (C) 2014 NXP Semiconductors All rights reserved. | |
3 | * | |
4 | * Authors: Clément Perrochaud <clement.perrochaud@nxp.com> | |
5 | * | |
6 | * Derived from PN544 device driver: | |
7 | * Copyright (C) 2012 Intel Corporation. All rights reserved. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms and conditions of the GNU General Public License, | |
11 | * version 2, as published by the Free Software Foundation. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
22 | #ifndef __LOCAL_NXP_NCI_H_ | |
23 | #define __LOCAL_NXP_NCI_H_ | |
24 | ||
25 | #include <linux/completion.h> | |
26 | #include <linux/firmware.h> | |
27 | #include <linux/nfc.h> | |
28 | #include <linux/platform_data/nxp-nci.h> | |
29 | ||
30 | #include <net/nfc/nci_core.h> | |
31 | ||
32 | #define NXP_NCI_FW_HDR_LEN 2 | |
33 | #define NXP_NCI_FW_CRC_LEN 2 | |
34 | ||
35 | #define NXP_NCI_FW_FRAME_LEN_MASK 0x03FF | |
36 | ||
37 | enum nxp_nci_mode { | |
38 | NXP_NCI_MODE_COLD, | |
39 | NXP_NCI_MODE_NCI, | |
40 | NXP_NCI_MODE_FW | |
41 | }; | |
42 | ||
43 | struct nxp_nci_phy_ops { | |
44 | int (*set_mode)(void *id, enum nxp_nci_mode mode); | |
45 | int (*write)(void *id, struct sk_buff *skb); | |
46 | }; | |
47 | ||
48 | struct nxp_nci_fw_info { | |
49 | char name[NFC_FIRMWARE_NAME_MAXSIZE + 1]; | |
50 | const struct firmware *fw; | |
51 | ||
52 | size_t size; | |
53 | size_t written; | |
54 | ||
55 | const u8 *data; | |
56 | size_t frame_size; | |
57 | ||
58 | struct work_struct work; | |
59 | struct completion cmd_completion; | |
60 | ||
61 | int cmd_result; | |
62 | }; | |
63 | ||
64 | struct nxp_nci_info { | |
65 | struct nci_dev *ndev; | |
66 | void *phy_id; | |
67 | struct device *pdev; | |
68 | ||
69 | enum nxp_nci_mode mode; | |
70 | ||
7cf6d08c | 71 | const struct nxp_nci_phy_ops *phy_ops; |
dece4585 CP |
72 | unsigned int max_payload; |
73 | ||
74 | struct mutex info_lock; | |
75 | ||
76 | struct nxp_nci_fw_info fw_info; | |
77 | }; | |
78 | ||
79 | int nxp_nci_fw_download(struct nci_dev *ndev, const char *firmware_name); | |
80 | void nxp_nci_fw_work(struct work_struct *work); | |
81 | void nxp_nci_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb); | |
82 | void nxp_nci_fw_work_complete(struct nxp_nci_info *info, int result); | |
83 | ||
84 | int nxp_nci_probe(void *phy_id, struct device *pdev, | |
7cf6d08c JL |
85 | const struct nxp_nci_phy_ops *phy_ops, |
86 | unsigned int max_payload, | |
dece4585 CP |
87 | struct nci_dev **ndev); |
88 | void nxp_nci_remove(struct nci_dev *ndev); | |
89 | ||
90 | #endif /* __LOCAL_NXP_NCI_H_ */ |