summaryrefslogtreecommitdiff
path: root/drivers/nfc/nfcmrvl/nfcmrvl.h
blob: 165bd0a95190b1cf8e79c683a666e0905d10490e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Marvell NFC driver
 *
 * Copyright (C) 2014-2015, Marvell International Ltd.
 */

#ifndef _NFCMRVL_H_
#define _NFCMRVL_H_

#include <linux/platform_data/nfcmrvl.h>

#include "fw_dnld.h"

/* Define private flags: */
#define NFCMRVL_NCI_RUNNING			1
#define NFCMRVL_PHY_ERROR			2

#define NFCMRVL_EXT_COEX_ID			0xE0
#define NFCMRVL_NOT_ALLOWED_ID			0xE1
#define NFCMRVL_ACTIVE_ID			0xE2
#define NFCMRVL_EXT_COEX_ENABLE			1
#define NFCMRVL_GPIO_PIN_NFC_NOT_ALLOWED	0xA
#define NFCMRVL_GPIO_PIN_NFC_ACTIVE		0xB
#define NFCMRVL_NCI_MAX_EVENT_SIZE		260

/*
 * NCI FW Parameters
 */

#define NFCMRVL_PB_BAIL_OUT			0x11
#define NFCMRVL_PROP_REF_CLOCK			0xF0
#define NFCMRVL_PROP_SET_HI_CONFIG		0xF1

/*
 * HCI defines
 */

#define NFCMRVL_HCI_EVENT_HEADER_SIZE		0x04
#define NFCMRVL_HCI_EVENT_CODE			0x04
#define NFCMRVL_HCI_NFC_EVENT_CODE		0xFF
#define NFCMRVL_HCI_COMMAND_CODE		0x01
#define NFCMRVL_HCI_OGF				0x81
#define NFCMRVL_HCI_OCF				0xFE

enum nfcmrvl_phy {
	NFCMRVL_PHY_USB		= 0,
	NFCMRVL_PHY_UART	= 1,
	NFCMRVL_PHY_I2C		= 2,
	NFCMRVL_PHY_SPI		= 3,
};

struct nfcmrvl_private {

	unsigned long flags;

	/* Platform configuration */
	struct nfcmrvl_platform_data config;

	/* Parent dev */
	struct nci_dev *ndev;

	/* FW download context */
	struct nfcmrvl_fw_dnld fw_dnld;

	/* FW download support */
	bool support_fw_dnld;

	/*
	 * PHY related information
	 */

	/* PHY driver context */
	void *drv_data;
	/* PHY device */
	struct device *dev;
	/* PHY type */
	enum nfcmrvl_phy phy;
	/* Low level driver ops */
	const struct nfcmrvl_if_ops *if_ops;
};

struct nfcmrvl_if_ops {
	int (*nci_open) (struct nfcmrvl_private *priv);
	int (*nci_close) (struct nfcmrvl_private *priv);
	int (*nci_send) (struct nfcmrvl_private *priv, struct sk_buff *skb);
	void (*nci_update_config)(struct nfcmrvl_private *priv,
				  const void *param);
};

void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv);
int nfcmrvl_nci_recv_frame(struct nfcmrvl_private *priv, struct sk_buff *skb);
struct nfcmrvl_private *nfcmrvl_nci_register_dev(enum nfcmrvl_phy phy,
				void *drv_data,
				const struct nfcmrvl_if_ops *ops,
				struct device *dev,
				const struct nfcmrvl_platform_data *pdata);


void nfcmrvl_chip_reset(struct nfcmrvl_private *priv);
void nfcmrvl_chip_halt(struct nfcmrvl_private *priv);

int nfcmrvl_parse_dt(struct device_node *node,
		     struct nfcmrvl_platform_data *pdata);

#endif