linux-stable/drivers/nfc/s3fwrn5/phy_common.h
Bongsu Jeon 3f52c2cb7e nfc: s3fwrn5: Support a UART interface
Since S3FWRN82 NFC Chip, The UART interface can be used.
S3FWRN82 uses NCI protocol and supports I2C and UART interface.

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-02 17:55:25 -08:00

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/* SPDX-License-Identifier: GPL-2.0-or-later
*
* Link Layer for Samsung S3FWRN5 NCI based Driver
*
* Copyright (C) 2015 Samsung Electrnoics
* Robert Baldyga <r.baldyga@samsung.com>
* Copyright (C) 2020 Samsung Electrnoics
* Bongsu Jeon <bongsu.jeon@samsung.com>
*/
#ifndef __NFC_S3FWRN5_PHY_COMMON_H
#define __NFC_S3FWRN5_PHY_COMMON_H
#include <linux/mutex.h>
#include <net/nfc/nci_core.h>
#include "s3fwrn5.h"
#define S3FWRN5_EN_WAIT_TIME 20
struct phy_common {
struct nci_dev *ndev;
int gpio_en;
int gpio_fw_wake;
struct mutex mutex;
enum s3fwrn5_mode mode;
};
void s3fwrn5_phy_set_wake(void *phy_id, bool wake);
bool s3fwrn5_phy_power_ctrl(struct phy_common *phy, enum s3fwrn5_mode mode);
void s3fwrn5_phy_set_mode(void *phy_id, enum s3fwrn5_mode mode);
enum s3fwrn5_mode s3fwrn5_phy_get_mode(void *phy_id);
#endif /* __NFC_S3FWRN5_PHY_COMMON_H */