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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * FTS Capacitive touch screen controller (FingerTipS)
- *
- * Copyright (C) 2016-2019, STMicroelectronics Limited.
- * Authors: AMG(Analog Mems Group) <[email protected]>
- *
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
- */
- /**
- *
- **************************************************************************
- ** STMicroelectronics **
- **************************************************************************
- ** [email protected] **
- **************************************************************************
- * *
- * I2C/SPI Communication **
- * *
- **************************************************************************
- **************************************************************************
- */
- #ifndef __FTS_IO_H
- #define __FTS_IO_H
- #include <linux/i2c.h>
- #include <linux/i2c-dev.h>
- #include "ftsSoftware.h"
- #include "ftsCrossCompile.h"
- #define I2C_RETRY 3 //number of retry
- #define I2C_WAIT_BEFORE_RETRY 2 //ms
- int openChannel(struct i2c_client *clt);
- struct device *getDev(void);
- struct i2c_client *getClient(void);
- int fts_readCmd(u8 *cmd, int cmdLenght, u8 *outBuf, int byteToRead);
- int fts_writeCmd(u8 *cmd, int cmdLenght);
- int fts_writeFwCmd(u8 *cmd, int cmdLenght);
- int writeReadCmd(u8 *writeCmd, int writeCmdLenght, u8 *readCmd,
- int readCmdLenght, u8 *outBuf, int byteToRead);
- int readCmdU16(u8 cmd, u16 address, u8 *outBuf, int byteToRead,
- int hasDummyByte);
- int writeCmdU16(u8 WriteCmd, u16 address, u8 *dataToWrite, int byteToWrite);
- int writeCmdU32(u8 writeCmd1, u8 writeCmd2, u32 address, u8 *dataToWrite,
- int byteToWrite);
- int writeReadCmdU32(u8 wCmd, u8 rCmd, u32 address, u8 *outBuf, int byteToRead,
- int hasDummyByte);
- #endif
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