Files
android_kernel_motorola_sm6225/include/linux/nfc_i2c_drv.h
T
Ningkai Zhuang e77bc813ae NFC driver mmi and DLKM support
1 NFC driver will mmi.nfc to decide if need to probe
2 Add NXP SN1xx driver to DLKM
3 Fix ST driver building error on v(CR)

Change-Id: If7f6b1439c7214c4eaaef4ed1368a89988802c67
Signed-off-by: Ningkai Zhuang <zhuangnk1@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1788053
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Zishang Zhou <zhouzs1@motorola.com>
Reviewed-by: Tao Sun <suntao2@motorola.com>
Submit-Approved: Jira Key
2020-11-04 03:23:27 -06:00

39 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _NFC_I2C_DRV_H_
#define _NFC_I2C_DRV_H_
#include <linux/i2c.h>
#define NFC_I2C_DRV_STR "qcom,sn-nci" /*kept same as dts */
#define NFC_I2C_DEV_ID "sn-i2c"
struct nfc_dev;
//Interface specific parameters
struct i2c_dev {
struct i2c_client *client;
// IRQ parameters
bool irq_enabled;
spinlock_t irq_enabled_lock;
// NFC_IRQ wake-up state
bool irq_wake_up;
};
long nfc_i2c_dev_ioctl(struct file *pfile, unsigned int cmd, unsigned long arg);
int nfc_i2c_dev_probe(struct i2c_client *client,
const struct i2c_device_id *id);
int nfc_i2c_dev_remove(struct i2c_client *client);
int nfc_i2c_dev_suspend(struct device *device);
int nfc_i2c_dev_resume(struct device *device);
int i2c_enable_irq(struct nfc_dev *dev);
int i2c_disable_irq(struct nfc_dev *dev);
int i2c_write(struct nfc_dev *dev, const char *buf, size_t count,
int max_retry_cnt);
int i2c_read(struct nfc_dev *dev, char *buf, size_t count);
#endif //_NFC_I2C_DRV_H_