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kernel add
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/**
* Marvell NFC driver
*
* Copyright (C) 2014-2015, Marvell International Ltd.
*
* This software file (the "File") is distributed by Marvell International
* Ltd. under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available on the worldwide web at
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
**/
#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 Parmaters
*/
#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 */
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,
struct nfcmrvl_if_ops *ops,
struct device *dev,
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
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