Files
android_kernel_samsung_sm86…/st/fts_lib/ftsIO.h
Fei Mao cb9d543e8a touch: add drivers
Add all drivers for new platforms.

Change-Id: Ie9947b0c6f8ddfee7dab6dfa80d6aca62323f4da
Signed-off-by: Fei Mao <feim1@codeaurora.org>
2021-10-22 18:18:20 +08:00

65 lines
2.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* FTS Capacitive touch screen controller (FingerTipS)
*
* Copyright (C) 2016-2019, STMicroelectronics Limited.
* Authors: AMG(Analog Mems Group) <marco.cali@st.com>
*
*
* 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 **
**************************************************************************
** marco.cali@st.com **
**************************************************************************
* *
* 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