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Commit 76970c0c authored by chenx's avatar chenx Committed by Gerrit - the friendly Code Review server
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input: touchscreen: Add new Focaltech touch driver 



This is the reference driver source code for Focaltech Touch Sensor.

Change-Id: I86e60f6774812d7a4e553530197d56b0276f2dab
Signed-off-by: default avatarchenx <chenxiang0527@thundersoft.com>
Git-commit: 54e1e61066d03e2a9dc46d928b2744713842b070
Git-repo: https://source.codeaurora.org/external/thundersoft/ihvjointlab/sensor-driver/commit/?h=Focaltech_touch


Signed-off-by: default avatarSrikanth Katteboina <quic_skattebo@quicinc.com>
parent e0e3e1a3

drivers/input/touchscreen/focaltech_touch/Kconfig

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#

# Focaltech Touchscreen driver configuration

#



config TOUCHSCREEN_FTS

	bool "Focaltech Touchscreen"

	help

	  Say Y here if you have Focaltech touch panel.

	  If unsure, say N.



config TOUCHSCREEN_FTS_DIRECTORY

	string "Focaltech ts directory name"

	default "focaltech_touch"

	depends on TOUCHSCREEN_FTS

drivers/input/touchscreen/focaltech_touch/Makefile

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# Makefile for the focaltech touchscreen drivers.





obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_core.o

obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_ex_fun.o

obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_ex_mode.o

obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_gesture.o

obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_esdcheck.o

obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_point_report_check.o



obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_i2c.o

obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_flash.o

obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_flash/

drivers/input/touchscreen/focaltech_touch/focaltech_common.h

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/*

 *

 * FocalTech fts TouchScreen driver.

 *

 * Copyright (c) 2012-2019, Focaltech Ltd. All rights reserved.

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * 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.

 *

 */

/*****************************************************************************

*

* File Name: focaltech_common.h

*

* Author: Focaltech Driver Team

*

* Created: 2016-08-16

*

* Abstract:

*

* Reference:

*

*****************************************************************************/



#ifndef __LINUX_FOCALTECH_COMMON_H__

#define __LINUX_FOCALTECH_COMMON_H__



#include "focaltech_config.h"



/*****************************************************************************

* Macro definitions using #define

*****************************************************************************/

#define FTS_DRIVER_VERSION      "Focaltech V3.1 20190807"



#define BYTE_OFF_0(x)           (u8)((x) & 0xFF)

#define BYTE_OFF_8(x)           (u8)(((x) >> 8) & 0xFF)

#define BYTE_OFF_16(x)          (u8)(((x) >> 16) & 0xFF)

#define BYTE_OFF_24(x)          (u8)(((x) >> 24) & 0xFF)

#define FLAGBIT(x)              (0x00000001 << (x))

#define FLAGBITS(x, y)          ((0xFFFFFFFF >> (32 - (y) - 1)) & (0xFFFFFFFF << (x)))



#define FLAG_ICSERIALS_LEN      8

#define FLAG_HID_BIT            10

#define FLAG_IDC_BIT            11



#define IC_SERIALS              (FTS_CHIP_TYPE & FLAGBITS(0, FLAG_ICSERIALS_LEN-1))

#define IC_TO_SERIALS(x)        ((x) & FLAGBITS(0, FLAG_ICSERIALS_LEN-1))

#define FTS_CHIP_IDC            ((FTS_CHIP_TYPE & FLAGBIT(FLAG_IDC_BIT)) == FLAGBIT(FLAG_IDC_BIT))

#define FTS_HID_SUPPORTTED      ((FTS_CHIP_TYPE & FLAGBIT(FLAG_HID_BIT)) == FLAGBIT(FLAG_HID_BIT))



#define FTS_CHIP_TYPE_MAPPING {{0x81, 0x54, 0x52, 0x54, 0x52, 0x00, 0x00, 0x54, 0x5C}}



#define FILE_NAME_LENGTH                    128

#define ENABLE                              1

#define DISABLE                             0

#define VALID                               1

#define INVALID                             0

#define FTS_CMD_START1                      0x55

#define FTS_CMD_START2                      0xAA

#define FTS_CMD_START_DELAY                 12

#define FTS_CMD_READ_ID                     0x90

#define FTS_CMD_READ_ID_LEN                 4

#define FTS_CMD_READ_ID_LEN_INCELL          1

/*register address*/

#define FTS_REG_INT_CNT                     0x8F

#define FTS_REG_FLOW_WORK_CNT               0x91

#define FTS_REG_WORKMODE                    0x00

#define FTS_REG_WORKMODE_FACTORY_VALUE      0x40

#define FTS_REG_WORKMODE_WORK_VALUE         0x00

#define FTS_REG_ESDCHECK_DISABLE            0x8D

#define FTS_REG_CHIP_ID                     0xA3

#define FTS_REG_CHIP_ID2                    0x9F

#define FTS_REG_POWER_MODE                  0xA5

#define FTS_REG_POWER_MODE_SLEEP            0x03

#define FTS_REG_FW_VER                      0xA6

#define FTS_REG_VENDOR_ID                   0xA8

#define FTS_REG_LCD_BUSY_NUM                0xAB

#define FTS_REG_FACE_DEC_MODE_EN            0xB0

#define FTS_REG_FACTORY_MODE_DETACH_FLAG    0xB4

#define FTS_REG_FACE_DEC_MODE_STATUS        0x01

#define FTS_REG_IDE_PARA_VER_ID             0xB5

#define FTS_REG_IDE_PARA_STATUS             0xB6

#define FTS_REG_GLOVE_MODE_EN               0xC0

#define FTS_REG_COVER_MODE_EN               0xC1

#define FTS_REG_CHARGER_MODE_EN             0x8B

#define FTS_REG_GESTURE_EN                  0xD0

#define FTS_REG_GESTURE_OUTPUT_ADDRESS      0xD3

#define FTS_REG_MODULE_ID                   0xE3

#define FTS_REG_LIC_VER                     0xE4

#define FTS_REG_ESD_SATURATE                0xED



#define FTS_SYSFS_ECHO_ON(buf)      (buf[0] == '1')

#define FTS_SYSFS_ECHO_OFF(buf)     (buf[0] == '0')



#define kfree_safe(pbuf) do {\

	if (pbuf) {\

		kfree(pbuf);\

		pbuf = NULL;\

	}\

} while(0)



/*****************************************************************************

*  Alternative mode (When something goes wrong,

* the modules may be able to solve the problem.)

*****************************************************************************/

/*

 * point report check

 * default: disable

 */

#define FTS_POINT_REPORT_CHECK_EN               0



/*****************************************************************************

* Global variable or extern global variabls/functions

*****************************************************************************/

struct ft_chip_t {

	u64 type;

	u8 chip_idh;

	u8 chip_idl;

	u8 rom_idh;

	u8 rom_idl;

	u8 pb_idh;

	u8 pb_idl;

	u8 bl_idh;

	u8 bl_idl;

};



struct ts_ic_info {

	bool is_incell;

	bool hid_supported;

	struct ft_chip_t ids;

};



/*****************************************************************************

* DEBUG function define here

*****************************************************************************/

#if FTS_DEBUG_EN

#define FTS_DEBUG(fmt, args...) do { \

	printk("[FTS_TS]%s:"fmt"\n", __func__, ##args); \

} while (0)



#define FTS_FUNC_ENTER() do { \

	printk("[FTS_TS]%s: Enter\n", __func__); \

} while (0)



#define FTS_FUNC_EXIT() do { \

	printk("[FTS_TS]%s: Exit(%d)\n", __func__, __LINE__); \

} while (0)

#else /* #if FTS_DEBUG_EN*/

#define FTS_DEBUG(fmt, args...)

#define FTS_FUNC_ENTER()

#define FTS_FUNC_EXIT()

#endif



#define FTS_INFO(fmt, args...) do { \

	printk(KERN_INFO "[FTS_TS/I]%s:"fmt"\n", __func__, ##args); \

} while (0)



#define FTS_ERROR(fmt, args...) do { \

	printk(KERN_ERR "[FTS_TS/E]%s:"fmt"\n", __func__, ##args); \

} while (0)

#endif /* __LINUX_FOCALTECH_COMMON_H__ */

drivers/input/touchscreen/focaltech_touch/focaltech_config.h

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/*

 *

 * FocalTech TouchScreen driver.

 *

 * Copyright (c) 2012-2019, FocalTech Systems, Ltd., all rights reserved.

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * 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.

 *

 */



/************************************************************************

*

* File Name: focaltech_config.h

*

* Author: Focaltech Driver Team

*

* Created: 2016-08-08

*

* Abstract: global configurations

*

* Version: v1.0

*

************************************************************************/

#ifndef _LINUX_FOCLATECH_CONFIG_H_

#define _LINUX_FOCLATECH_CONFIG_H_



/**************************************************/

/****** G: A, I: B, S: C, U: D  ******************/

/****** chip type defines, do not modify *********/

#define _FT8716             0x87160805

#define _FT8736             0x87360806

#define _FT8006M            0x80060807

#define _FT8607             0x86070809

#define _FT8006U            0x8006D80B

#define _FT8006S            0x8006A80B

#define _FT8613             0x8613080C

#define _FT8719             0x8719080D

#define _FT8739             0x8739080E

#define _FT8615             0x8615080F

#define _FT8201             0x82010810

#define _FT8006P            0x86220811

#define _FT7251             0x72510812

#define _FT7252             0x72520813

#define _FT8613S            0x8613C814

#define _FT8756             0x87560815

#define _FT8302             0x83020816

#define _FT8009             0x80090817

#define _FT8656             0x86560818

#define _FT8006S_AA         0x86320819

#define _FT7250             0x7250081A





#define _FT5416             0x54160402

#define _FT5426             0x54260402

#define _FT5435             0x54350402

#define _FT5436             0x54360402

#define _FT5526             0x55260402

#define _FT5526I            0x5526B402

#define _FT5446             0x54460402

#define _FT5346             0x53460402

#define _FT5446I            0x5446B402

#define _FT5346I            0x5346B402

#define _FT7661             0x76610402

#define _FT7511             0x75110402

#define _FT7421             0x74210402

#define _FT7681             0x76810402

#define _FT3C47U            0x3C47D402

#define _FT3417             0x34170402

#define _FT3517             0x35170402

#define _FT3327             0x33270402

#define _FT3427             0x34270402

#define _FT7311             0x73110402



#define _FT5626             0x56260401

#define _FT5726             0x57260401

#define _FT5826B            0x5826B401

#define _FT5826S            0x5826C401

#define _FT7811             0x78110401

#define _FT3D47             0x3D470401

#define _FT3617             0x36170401

#define _FT3717             0x37170401

#define _FT3817B            0x3817B401

#define _FT3517U            0x3517D401



#define _FT6236U            0x6236D003

#define _FT6336G            0x6336A003

#define _FT6336U            0x6336D003

#define _FT6436U            0x6436D003



#define _FT3267             0x32670004

#define _FT3367             0x33670004



#define _FT3327DQQ_XXX      0x3327D482

#define _FT5446DQS_XXX      0x5446D482



#define _FT3518             0x35180481

#define _FT3558             0x35580481

#define _FT3528             0x35280481

#define _FT5536             0x55360481



#define _FT5446U            0x5446D083

#define _FT5456U            0x5456D083

#define _FT3417U            0x3417D083

#define _FT5426U            0x5426D083

#define _FT3428             0x34280083

#define _FT3437U            0x3437D083



#define _FT7302             0x73020084

#define _FT7202             0x72020084

#define _FT3308             0x33080084



#define _FT6346U            0x6346D085

#define _FT6346G            0x6346A085

#define _FT3067             0x30670085

#define _FT3068             0x30680085

#define _FT3168             0x31680085

#define _FT3268             0x32680085



/*************************************************/



/*

 * choose your ic chip type of focaltech

 */

#define FTS_CHIP_TYPE   _FT3518



/******************* Enables *********************/

/*********** 1 to enable, 0 to disable ***********/



/*

 * show debug log info

 * enable it for debug, disable it for release

 */

#define FTS_DEBUG_EN                            0



/*

 * Linux MultiTouch Protocol

 * 1: Protocol B(default), 0: Protocol A

 */

#define FTS_MT_PROTOCOL_B_EN                    1



/*

 * Report Pressure in multitouch

 * 1:enable(default),0:disable

*/

#define FTS_REPORT_PRESSURE_EN                  1



/*

 * Gesture function enable

 * default: disable

 */

#define FTS_GESTURE_EN                          0



/*

 * ESD check & protection

 * default: disable

 */

#define FTS_ESDCHECK_EN                         0





/*

 * Pinctrl enable

 * default: disable

 */

#define FTS_PINCTRL_EN                          1



/*

 * Customer power enable

 * enable it when customer need control TP power

 * default: disable

 */

#define FTS_POWER_SOURCE_CUST_EN                1



/****************************************************/



/********************** Upgrade ****************************/

/*

 * auto upgrade

 */

#define FTS_AUTO_UPGRADE_EN                     1



/*

 * auto upgrade for lcd cfg

 */

#define FTS_AUTO_LIC_UPGRADE_EN                 0



/*

 * Numbers of modules support

 */

#define FTS_GET_MODULE_NUM                      0



/*

 * module_id: mean vendor_id generally, also maybe gpio or lcm_id...

 * If means vendor_id, the FTS_MODULE_ID = PANEL_ID << 8 + VENDOR_ID

 * FTS_GET_MODULE_NUM == 0/1, no check module id, you may ignore them

 * FTS_GET_MODULE_NUM >= 2, compatible with FTS_MODULE2_ID

 * FTS_GET_MODULE_NUM >= 3, compatible with FTS_MODULE3_ID

 */

#define FTS_MODULE_ID                          0x0000

#define FTS_MODULE2_ID                         0x0000

#define FTS_MODULE3_ID                         0x0000



/*

 * Need set the following when get firmware via firmware_request()

 * For example: if module'vendor is tianma,

 * #define FTS_MODULE_NAME                        "tianma"

 * then file_name will be "focaltech_ts_fw_tianma"

 * You should rename fw to "focaltech_ts_fw_tianma", and push it into

 * etc/firmware or by customers

 */

#define FTS_MODULE_NAME                        "gvo"

#define FTS_MODULE2_NAME                       ""

#define FTS_MODULE3_NAME                       ""



/*

 * FW.i file for auto upgrade, you must replace it with your own

 * define your own fw_file, the sample one to be replaced is invalid

 * NOTE: if FTS_GET_MODULE_NUM > 1, it's the fw corresponding with FTS_VENDOR_ID

 */

#define FTS_UPGRADE_FW_FILE                    "include/firmware/fw_sample.i"



/*

 * if FTS_GET_MODULE_NUM >= 2, fw corrsponding with FTS_VENDOR_ID2

 * define your own fw_file, the sample one is invalid

 */

#define FTS_UPGRADE_FW2_FILE                   "include/firmware/fw_sample.i"



/*

 * if FTS_GET_MODULE_NUM >= 3, fw corrsponding with FTS_VENDOR_ID3

 * define your own fw_file, the sample one is invalid

 */

#define FTS_UPGRADE_FW3_FILE                   "include/firmware/fw_sample.i"



/*********************************************************/



#endif /* _LINUX_FOCLATECH_CONFIG_H_ */

drivers/input/touchscreen/focaltech_touch/focaltech_core.c

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