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
37enum nxp_nci_mode {
38	NXP_NCI_MODE_COLD,
39	NXP_NCI_MODE_NCI,
40	NXP_NCI_MODE_FW
41};
42
43struct 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
48struct 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
64struct nxp_nci_info {
65	struct nci_dev *ndev;
66	void *phy_id;
67	struct device *pdev;
68
69	enum nxp_nci_mode mode;
70
71	struct nxp_nci_phy_ops *phy_ops;
72	unsigned int max_payload;
73
74	struct mutex info_lock;
75
76	struct nxp_nci_fw_info fw_info;
77};
78
79int nxp_nci_fw_download(struct nci_dev *ndev, const char *firmware_name);
80void nxp_nci_fw_work(struct work_struct *work);
81void nxp_nci_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
82void nxp_nci_fw_work_complete(struct nxp_nci_info *info, int result);
83
84int nxp_nci_probe(void *phy_id, struct device *pdev,
85		  struct nxp_nci_phy_ops *phy_ops, unsigned int max_payload,
86		  struct nci_dev **ndev);
87void nxp_nci_remove(struct nci_dev *ndev);
88
89#endif /* __LOCAL_NXP_NCI_H_ */
90