e89ae5f94a
As a part FR72092 requirement, moved the NFC driver module out of kernel tree to be compiled as vendor techpackage. Change-Id: I177d81782a7059bf6b9b4556b384737708c43348
82 baris
2.3 KiB
C
82 baris
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2019-2021 NXP
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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******************************************************************************/
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#ifndef _NFC_I2C_DRV_H_
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#define _NFC_I2C_DRV_H_
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#include <linux/i2c.h>
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#define NFC_I2C_DRV_STR "qcom,sn-nci" /*kept same as dts */
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#define NFC_I2C_DEV_ID "sn-i2c"
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struct nfc_dev;
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//Interface specific parameters
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struct i2c_dev {
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struct i2c_client *client;
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/*IRQ parameters */
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bool irq_enabled;
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spinlock_t irq_enabled_lock;
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/* NFC_IRQ wake-up state */
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bool irq_wake_up;
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};
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long nfc_i2c_dev_ioctl(struct file *pfile, unsigned int cmd, unsigned long arg);
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int nfc_i2c_dev_probe(struct i2c_client *client,
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const struct i2c_device_id *id);
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int nfc_i2c_dev_remove(struct i2c_client *client);
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int nfc_i2c_dev_suspend(struct device *device);
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int nfc_i2c_dev_resume(struct device *device);
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#if IS_ENABLED(CONFIG_NFC_QTI_I2C)
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int i2c_enable_irq(struct nfc_dev *dev);
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int i2c_disable_irq(struct nfc_dev *dev);
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int i2c_write(struct nfc_dev *dev, const char *buf, size_t count,
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int max_retry_cnt);
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int i2c_read(struct nfc_dev *dev, char *buf, size_t count, int timeout);
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#else
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static inline int i2c_enable_irq(struct nfc_dev *dev)
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{
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return -ENXIO;
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}
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static inline int i2c_disable_irq(struct nfc_dev *dev)
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{
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return -ENXIO;
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}
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static inline int i2c_write(struct nfc_dev *dev, const char *buf,
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size_t count, int max_retry_cnt)
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{
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return -ENXIO;
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}
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static inline int i2c_read(struct nfc_dev *dev, char *buf, size_t count, int timeout)
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{
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return -ENXIO;
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}
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#endif
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#endif //_NFC_I2C_DRV_H_
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