xref: /linux/drivers/nfc/nfcmrvl/nfcmrvl.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /**
2  * Marvell NFC driver
3  *
4  * Copyright (C) 2014, Marvell International Ltd.
5  *
6  * This software file (the "File") is distributed by Marvell International
7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8  * (the "License").  You may use, redistribute and/or modify this File in
9  * accordance with the terms and conditions of the License, a copy of which
10  * is available on the worldwide web at
11  * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
12  *
13  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
14  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
15  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
16  * this warranty disclaimer.
17  **/
18 
19 #ifndef _NFCMRVL_H_
20 #define _NFCMRVL_H_
21 
22 #include <linux/platform_data/nfcmrvl.h>
23 
24 /* Define private flags: */
25 #define NFCMRVL_NCI_RUNNING			1
26 
27 #define NFCMRVL_EXT_COEX_ID			0xE0
28 #define NFCMRVL_NOT_ALLOWED_ID			0xE1
29 #define NFCMRVL_ACTIVE_ID			0xE2
30 #define NFCMRVL_EXT_COEX_ENABLE			1
31 #define NFCMRVL_GPIO_PIN_NFC_NOT_ALLOWED	0xA
32 #define NFCMRVL_GPIO_PIN_NFC_ACTIVE		0xB
33 #define NFCMRVL_NCI_MAX_EVENT_SIZE		260
34 
35 /*
36 ** NCI FW Parmaters
37 */
38 
39 #define NFCMRVL_PB_BAIL_OUT			0x11
40 
41 /*
42 ** HCI defines
43 */
44 
45 #define NFCMRVL_HCI_EVENT_HEADER_SIZE		0x04
46 #define NFCMRVL_HCI_EVENT_CODE			0x04
47 #define NFCMRVL_HCI_NFC_EVENT_CODE		0xFF
48 #define NFCMRVL_HCI_COMMAND_CODE		0x01
49 #define NFCMRVL_HCI_OGF				0x81
50 #define NFCMRVL_HCI_OCF				0xFE
51 
52 enum nfcmrvl_phy {
53 	NFCMRVL_PHY_USB		= 0,
54 	NFCMRVL_PHY_UART	= 1,
55 };
56 
57 
58 struct nfcmrvl_private {
59 
60 	unsigned long flags;
61 
62 	/* Platform configuration */
63 	struct nfcmrvl_platform_data config;
64 
65 	struct nci_dev *ndev;
66 
67 	/*
68 	** PHY related information
69 	*/
70 
71 	/* PHY driver context */
72 	void *drv_data;
73 	/* PHY device */
74 	struct device *dev;
75 	/* PHY type */
76 	enum nfcmrvl_phy phy;
77 	/* Low level driver ops */
78 	struct nfcmrvl_if_ops *if_ops;
79 };
80 
81 struct nfcmrvl_if_ops {
82 	int (*nci_open) (struct nfcmrvl_private *priv);
83 	int (*nci_close) (struct nfcmrvl_private *priv);
84 	int (*nci_send) (struct nfcmrvl_private *priv, struct sk_buff *skb);
85 };
86 
87 void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv);
88 int nfcmrvl_nci_recv_frame(struct nfcmrvl_private *priv, struct sk_buff *skb);
89 struct nfcmrvl_private *nfcmrvl_nci_register_dev(void *drv_data,
90 				struct nfcmrvl_if_ops *ops,
91 				struct device *dev,
92 				struct nfcmrvl_platform_data *pdata);
93 
94 
95 void nfcmrvl_chip_reset(struct nfcmrvl_private *priv);
96 
97 int nfcmrvl_parse_dt(struct device_node *node,
98 		     struct nfcmrvl_platform_data *pdata);
99 
100 #endif
101