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dirvers: input: touchscreen: add focaltech ft5436

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Signed-off-by: Weixin Zhou <zwx@rock-chips.com>
Change-Id: I51437c0b5c81698d2b7e451d2843a55d23c3eb28
This commit is contained in:
Weixin Zhou
2021-01-19 19:10:43 +08:00
committed by Tao Huang
parent 2a1585104a
commit 49b336287f
18 changed files with 10780 additions and 0 deletions
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8
drivers/input/touchscreen/Kconfig
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@@ -1401,6 +1401,14 @@ config TOUCHSCREEN_FTS
Say Y here if you have Focaltech touch panel.
If unsure, say N.
config TOUCHSCREEN_FT5436
bool "Focaltech Touchscreen FT5436"
depends on I2C
default n
help
Say Y here if you have Focaltech touch panel.
If unsure, say N.
source "drivers/input/touchscreen/cyttsp5/Kconfig"
endif

1
drivers/input/touchscreen/Makefile
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@@ -126,4 +126,5 @@ obj-$(CONFIG_TOUCHSCREEN_VTL_CT36X) += vtl_ts/
obj-$(CONFIG_TOUCHSCREEN_GT1X) += gt1x/
obj-$(CONFIG_TOUCHSCREEN_HYN_CST2XX) += hyn_cst2xx/
obj-$(CONFIG_TOUCHSCREEN_FTS) += focaltech_touch/
obj-$(CONFIG_TOUCHSCREEN_FT5436) += focaltech_touch_ft5436/
obj-$(CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5) += cyttsp5/

16
drivers/input/touchscreen/focaltech_touch_ft5436/Makefile Normal file
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@@ -0,0 +1,16 @@
# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the focaltech touchscreen drivers.
#
# Makefile for the focaltech touchscreen drivers.
obj-y += focaltech_core.o
obj-y += focaltech_ex_fun.o
obj-y += focaltech_ex_mode.o
obj-y += focaltech_gesture.o
obj-y += focaltech_esdcheck.o
obj-y += focaltech_point_report_check.o
obj-y += focaltech_i2c.o
obj-y += focaltech_flash.o
obj-y += focaltech_flash/

166
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_common.h Normal file
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@@ -0,0 +1,166 @@
/*
*
* 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 {{0x02, 0x54, 0x22, 0x54, 0x22, 0x00, 0x00, 0x54, 0x2C}}
#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__ */

241
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_config.h Normal file
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@@ -0,0 +1,241 @@
/*
*
* 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 _FT5436
/******************* 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 0
/*
* 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 0
/*
* 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 ""
#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.h"
/*
* 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.h"
/*
* 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.h"
/*********************************************************/
#endif /* _LINUX_FOCLATECH_CONFIG_H_ */

1745
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_core.c Normal file
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File diff suppressed because it is too large Load Diff

263
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_core.h Normal file
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@@ -0,0 +1,263 @@
/*
*
* FocalTech 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_core.h
* Author: Focaltech Driver Team
*
* Created: 2016-08-08
*
* Abstract:
*
* Reference:
*
*****************************************************************************/
#ifndef __LINUX_FOCALTECH_CORE_H__
#define __LINUX_FOCALTECH_CORE_H__
/*****************************************************************************
* Included header files
*****************************************************************************/
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <asm/uaccess.h>
#include <linux/firmware.h>
#include <linux/debugfs.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#include <linux/wait.h>
#include <linux/time.h>
#include <linux/jiffies.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/version.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/dma-mapping.h>
#include "focaltech_common.h"
#include "../tp_suspend.h"
/*****************************************************************************
* Private constant and macro definitions using #define
*****************************************************************************/
#define FTS_MAX_POINTS_SUPPORT 10 /* constant value, can't be changed */
#define FTS_MAX_KEYS 4
#define FTS_KEY_DIM 10
#define FTS_ONE_TCH_LEN 6
#define FTS_TOUCH_DATA_LEN (FTS_MAX_POINTS_SUPPORT * FTS_ONE_TCH_LEN + 3)
#define FTS_GESTURE_POINTS_MAX 6
#define FTS_GESTURE_DATA_LEN (FTS_GESTURE_POINTS_MAX * 4 + 4)
#define FTS_MAX_ID 0x0A
#define FTS_TOUCH_X_H_POS 3
#define FTS_TOUCH_X_L_POS 4
#define FTS_TOUCH_Y_H_POS 5
#define FTS_TOUCH_Y_L_POS 6
#define FTS_TOUCH_PRE_POS 7
#define FTS_TOUCH_AREA_POS 8
#define FTS_TOUCH_POINT_NUM 2
#define FTS_TOUCH_EVENT_POS 3
#define FTS_TOUCH_ID_POS 5
#define FTS_COORDS_ARR_SIZE 4
#define FTS_X_MIN_DISPLAY_DEFAULT 0
#define FTS_Y_MIN_DISPLAY_DEFAULT 0
#define FTS_X_MAX_DISPLAY_DEFAULT 720
#define FTS_Y_MAX_DISPLAY_DEFAULT 1280
#define FTS_TOUCH_DOWN 0
#define FTS_TOUCH_UP 1
#define FTS_TOUCH_CONTACT 2
#define EVENT_DOWN(flag) ((FTS_TOUCH_DOWN == flag) || (FTS_TOUCH_CONTACT == flag))
#define EVENT_UP(flag) (FTS_TOUCH_UP == flag)
#define EVENT_NO_DOWN(data) (!data->point_num)
#define FTX_MAX_COMPATIBLE_TYPE 4
#define FTX_MAX_COMMMAND_LENGTH 16
/*****************************************************************************
* Private enumerations, structures and unions using typedef
*****************************************************************************/
struct ftxxxx_proc {
struct proc_dir_entry *proc_entry;
u8 opmode;
u8 cmd_len;
u8 cmd[FTX_MAX_COMMMAND_LENGTH];
};
struct fts_ts_platform_data {
u32 irq_gpio;
u32 irq_gpio_flags;
u32 reset_gpio;
u32 reset_gpio_flags;
u32 pwr_gpio;
u32 pwr_gpio_flags;
bool have_key;
u32 key_number;
u32 keys[FTS_MAX_KEYS];
u32 key_y_coords[FTS_MAX_KEYS];
u32 key_x_coords[FTS_MAX_KEYS];
u32 x_max;
u32 y_max;
u32 x_min;
u32 y_min;
u32 max_touch_number;
};
struct ts_event {
int x; /*x coordinate */
int y; /*y coordinate */
int p; /* pressure */
int flag; /* touch event flag: 0 -- down; 1-- up; 2 -- contact */
int id; /*touch ID */
int area;
};
struct fts_ts_data {
struct i2c_client *client;
struct spi_device *spi;
struct device *dev;
struct input_dev *input_dev;
struct fts_ts_platform_data *pdata;
struct ts_ic_info ic_info;
struct workqueue_struct *ts_workqueue;
struct work_struct fwupg_work;
struct delayed_work esdcheck_work;
struct delayed_work prc_work;
struct work_struct resume_work;
struct ftxxxx_proc proc;
spinlock_t irq_lock;
struct mutex report_mutex;
struct mutex bus_lock;
int irq;
int log_level;
int fw_is_running; /* confirm fw is running when using spi:default 0 */
int dummy_byte;
bool suspended;
bool fw_loading;
bool irq_disabled;
bool power_disabled;
bool glove_mode;
bool cover_mode;
bool charger_mode;
bool gesture_mode; /* gesture enable or disable, default: disable */
/* multi-touch */
struct ts_event *events;
u8 *bus_tx_buf;
u8 *bus_rx_buf;
u8 *point_buf;
int pnt_buf_size;
int touchs;
int key_state;
int touch_point;
int point_num;
struct regulator *vdd;
struct regulator *vcc_i2c;
#if FTS_PINCTRL_EN
struct pinctrl *pinctrl;
struct pinctrl_state *pins_active;
struct pinctrl_state *pins_suspend;
struct pinctrl_state *pins_release;
#endif
#if defined(CONFIG_FB)
struct tp_device tp;
#elif defined(CONFIG_HAS_EARLYSUSPEND)
struct early_suspend early_suspend;
#endif
};
/*****************************************************************************
* Global variable or extern global variabls/functions
*****************************************************************************/
extern struct fts_ts_data *fts_data;
/* communication interface */
int fts_read(u8 *cmd, u32 cmdlen, u8 *data, u32 datalen);
int fts_read_reg(u8 addr, u8 *value);
int fts_write(u8 *writebuf, u32 writelen);
int fts_write_reg(u8 addr, u8 value);
void fts_hid2std(void);
int fts_bus_init(struct fts_ts_data *ts_data);
int fts_bus_exit(struct fts_ts_data *ts_data);
/* Gesture functions */
int fts_gesture_init(struct fts_ts_data *ts_data);
int fts_gesture_exit(struct fts_ts_data *ts_data);
void fts_gesture_recovery(struct fts_ts_data *ts_data);
int fts_gesture_readdata(struct fts_ts_data *ts_data, u8 *data);
int fts_gesture_suspend(struct fts_ts_data *ts_data);
int fts_gesture_resume(struct fts_ts_data *ts_data);
/* Apk and functions */
int fts_create_apk_debug_channel(struct fts_ts_data *);
void fts_release_apk_debug_channel(struct fts_ts_data *);
/* ADB functions */
int fts_create_sysfs(struct fts_ts_data *ts_data);
int fts_remove_sysfs(struct fts_ts_data *ts_data);
/* ESD */
#if FTS_ESDCHECK_EN
int fts_esdcheck_init(struct fts_ts_data *ts_data);
int fts_esdcheck_exit(struct fts_ts_data *ts_data);
int fts_esdcheck_switch(bool enable);
int fts_esdcheck_proc_busy(bool proc_debug);
int fts_esdcheck_set_intr(bool intr);
int fts_esdcheck_suspend(void);
int fts_esdcheck_resume(void);
#endif
/* Point Report Check*/
#if FTS_POINT_REPORT_CHECK_EN
int fts_point_report_check_init(struct fts_ts_data *ts_data);
int fts_point_report_check_exit(struct fts_ts_data *ts_data);
void fts_prc_queue_work(struct fts_ts_data *ts_data);
#endif
/* FW upgrade */
int fts_fwupg_init(struct fts_ts_data *ts_data);
int fts_fwupg_exit(struct fts_ts_data *ts_data);
int fts_upgrade_bin(char *fw_name, bool force);
int fts_enter_test_environment(bool test_state);
/* Other */
int fts_reset_proc(int hdelayms);
int fts_wait_tp_to_valid(void);
void fts_release_all_finger(void);
void fts_tp_state_recovery(struct fts_ts_data *ts_data);
int fts_ex_mode_init(struct fts_ts_data *ts_data);
int fts_ex_mode_exit(struct fts_ts_data *ts_data);
int fts_ex_mode_recovery(struct fts_ts_data *ts_data);
void fts_irq_disable(void);
void fts_irq_enable(void);
#endif /* __LINUX_FOCALTECH_CORE_H__ */

464
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_esdcheck.c Normal file
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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_esdcheck.c
*
* Author: Focaltech Driver Team
*
* Created: 2016-08-03
*
* Abstract: ESD check function
*
* Version: v1.0
*
* Revision History:
* v1.0:
* First release. By luougojin 2016-08-03
* v1.1: By luougojin 2017-02-15
* 1. Add LCD_ESD_PATCH to control idc_esdcheck_lcderror
*****************************************************************************/
/*****************************************************************************
* Included header files
*****************************************************************************/
#include "focaltech_core.h"
#if FTS_ESDCHECK_EN
/*****************************************************************************
* Private constant and macro definitions using #define
*****************************************************************************/
#define ESDCHECK_WAIT_TIME 1000 /* ms */
#define LCD_ESD_PATCH 0
#define ESDCHECK_INTRCNT_MAX 2
/*****************************************************************************
* Private enumerations, structures and unions using typedef
*****************************************************************************/
struct fts_esdcheck_st {
u8 mode : 1; /* 1- need check esd 0- no esd check */
u8 suspend : 1;
u8 proc_debug : 1; /* apk or adb use */
u8 intr : 1; /* 1- Interrupt trigger */
u8 unused : 4;
u8 intr_cnt;
u8 flow_work_hold_cnt; /* Flow Work Cnt(reg0x91) keep a same value for x times. >=5 times is ESD, need reset */
u8 flow_work_cnt_last; /* Save Flow Work Cnt(reg0x91) value */
u32 hardware_reset_cnt;
u32 nack_cnt;
u32 dataerror_cnt;
};
/*****************************************************************************
* Static variables
*****************************************************************************/
static struct fts_esdcheck_st fts_esdcheck_data;
/*****************************************************************************
* Global variable or extern global variabls/functions
*****************************************************************************/
/*****************************************************************************
* Static function prototypes
*****************************************************************************/
/*****************************************************************************
* functions body
*****************************************************************************/
#if LCD_ESD_PATCH
int lcd_need_reset;
static int tp_need_recovery; /* LCD reset cause Tp reset */
int idc_esdcheck_lcderror(struct fts_ts_data *ts_data)
{
int ret = 0;
u8 val = 0;
FTS_DEBUG("check LCD ESD");
if ( (tp_need_recovery == 1) && (lcd_need_reset == 0) ) {
tp_need_recovery = 0;
/* LCD reset, need recover TP state */
fts_release_all_finger();
fts_tp_state_recovery(ts_data);
}
ret = fts_read_reg(FTS_REG_ESD_SATURATE, &val);
if ( ret < 0) {
FTS_ERROR("read reg0xED fail,ret:%d", ret);
return -EIO;
}
if (val == 0xAA) {
/*
* 1. Set flag lcd_need_reset = 1;
* 2. LCD driver need reset(recovery) LCD and set lcd_need_reset to 0
* 3. recover TP state
*/
FTS_INFO("LCD ESD, need execute LCD reset");
lcd_need_reset = 1;
tp_need_recovery = 1;
}
return 0;
}
#endif
static int fts_esdcheck_tp_reset(struct fts_ts_data *ts_data)
{
FTS_FUNC_ENTER();
fts_esdcheck_data.flow_work_hold_cnt = 0;
fts_esdcheck_data.hardware_reset_cnt++;
fts_reset_proc(200);
fts_release_all_finger();
fts_tp_state_recovery(ts_data);
FTS_FUNC_EXIT();
return 0;
}
static bool get_chip_id(struct fts_ts_data *ts_data)
{
int ret = 0;
int i = 0;
u8 reg_value = 0;
u8 reg_addr = 0;
u8 chip_id = ts_data->ic_info.ids.chip_idh;
for (i = 0; i < 3; i++) {
reg_addr = FTS_REG_CHIP_ID;
ret = fts_read(&reg_addr, 1, &reg_value, 1);
if (ret < 0) {
FTS_ERROR("read chip id fail,ret:%d", ret);
fts_esdcheck_data.nack_cnt++;
} else {
if (reg_value == chip_id) {
break;
} else {
FTS_DEBUG("read chip_id:%x,retry:%d", reg_value, i);
fts_esdcheck_data.dataerror_cnt++;
}
}
msleep(10);
}
/* if can't get correct data in 3 times, then need hardware reset */
if (i >= 3) {
FTS_ERROR("read chip id 3 times fail, need execute TP reset");
return true;
}
return false;
}
/*****************************************************************************
* Name: get_flow_cnt
* Brief: Read flow cnt(0x91)
* Input:
* Output:
* Return: 1(true) - Reg 0x91(flow cnt) abnormal: hold a value for 5 times
* 0(false) - Reg 0x91(flow cnt) normal
*****************************************************************************/
static bool get_flow_cnt(struct fts_ts_data *ts_data)
{
int ret = 0;
u8 reg_value = 0;
u8 reg_addr = 0;
reg_addr = FTS_REG_FLOW_WORK_CNT;
ret = fts_read(&reg_addr, 1, &reg_value, 1);
if (ret < 0) {
FTS_ERROR("read reg0x91 fail,ret:%d", ret);
fts_esdcheck_data.nack_cnt++;
} else {
if ( reg_value == fts_esdcheck_data.flow_work_cnt_last ) {
FTS_DEBUG("reg0x91,val:%x,last:%x", reg_value,
fts_esdcheck_data.flow_work_cnt_last);
fts_esdcheck_data.flow_work_hold_cnt++;
} else {
fts_esdcheck_data.flow_work_hold_cnt = 0;
}
fts_esdcheck_data.flow_work_cnt_last = reg_value;
}
/* Flow Work Cnt keep a value for 5 times, need execute TP reset */
if (fts_esdcheck_data.flow_work_hold_cnt >= 5) {
FTS_DEBUG("reg0x91 keep a value for 5 times, need execute TP reset");
return true;
}
return false;
}
static int esdcheck_algorithm(struct fts_ts_data *ts_data)
{
int ret = 0;
u8 reg_value = 0;
u8 reg_addr = 0;
bool hardware_reset = 0;
/* 1. esdcheck is interrupt, then return */
if (fts_esdcheck_data.intr == 1) {
fts_esdcheck_data.intr_cnt++;
if (fts_esdcheck_data.intr_cnt > ESDCHECK_INTRCNT_MAX)
fts_esdcheck_data.intr = 0;
else
return 0;
}
/* 2. check power state, if suspend, no need check esd */
if (fts_esdcheck_data.suspend == 1) {
FTS_DEBUG("In suspend, not check esd");
/* because in suspend state, adb can be used, when upgrade FW, will
* active ESD check(active = 1); But in suspend, then will don't
* queue_delayed_work, when resume, don't check ESD again
*/
return 0;
}
/* 3. check fts_esdcheck_data.proc_debug state, if 1-proc busy, no need check esd*/
if (fts_esdcheck_data.proc_debug == 1) {
FTS_INFO("In apk/adb command mode, not check esd");
return 0;
}
/* 4. In factory mode, can't check esd */
reg_addr = FTS_REG_WORKMODE;
ret = fts_read_reg(reg_addr, &reg_value);
if ( ret < 0 ) {
fts_esdcheck_data.nack_cnt++;
} else if ( (reg_value & 0x70) != FTS_REG_WORKMODE_WORK_VALUE) {
FTS_DEBUG("not in work mode(%x), no check esd", reg_value);
return 0;
}
/* 5. IDC esd check lcd default:close */
#if LCD_ESD_PATCH
idc_esdcheck_lcderror(ts_data);
#endif
/* 6. Get Chip ID */
hardware_reset = get_chip_id(ts_data);
/* 7. get Flow work cnt: 0x91 If no change for 5 times, then ESD and reset */
if (!hardware_reset) {
hardware_reset = get_flow_cnt(ts_data);
}
/* 8. If need hardware reset, then handle it here */
if (hardware_reset == 1) {
FTS_DEBUG("NoACK=%d, Error Data=%d, Hardware Reset=%d",
fts_esdcheck_data.nack_cnt,
fts_esdcheck_data.dataerror_cnt,
fts_esdcheck_data.hardware_reset_cnt);
fts_esdcheck_tp_reset(ts_data);
}
return 0;
}
static void esdcheck_func(struct work_struct *work)
{
struct fts_ts_data *ts_data = container_of(work,
struct fts_ts_data, esdcheck_work.work);
if (ENABLE == fts_esdcheck_data.mode) {
esdcheck_algorithm(ts_data);
queue_delayed_work(ts_data->ts_workqueue, &ts_data->esdcheck_work,
msecs_to_jiffies(ESDCHECK_WAIT_TIME));
}
}
int fts_esdcheck_set_intr(bool intr)
{
/* interrupt don't add debug message */
fts_esdcheck_data.intr = intr;
fts_esdcheck_data.intr_cnt = (u8)intr;
return 0;
}
static int fts_esdcheck_get_status(void)
{
/* interrupt don't add debug message */
return fts_esdcheck_data.mode;
}
/*****************************************************************************
* Name: fts_esdcheck_proc_busy
* Brief: When APK or ADB command access TP via driver, then need set proc_debug,
* then will not check ESD.
* Input:
* Output:
* Return:
*****************************************************************************/
int fts_esdcheck_proc_busy(bool proc_debug)
{
fts_esdcheck_data.proc_debug = proc_debug;
return 0;
}
/*****************************************************************************
* Name: fts_esdcheck_switch
* Brief: FTS esd check function switch.
* Input: enable: 1 - Enable esd check
* 0 - Disable esd check
* Output:
* Return:
*****************************************************************************/
int fts_esdcheck_switch(bool enable)
{
struct fts_ts_data *ts_data = fts_data;
FTS_FUNC_ENTER();
if (fts_esdcheck_data.mode == ENABLE) {
if (enable) {
FTS_DEBUG("ESD check start");
fts_esdcheck_data.flow_work_hold_cnt = 0;
fts_esdcheck_data.flow_work_cnt_last = 0;
fts_esdcheck_data.intr = 0;
fts_esdcheck_data.intr_cnt = 0;
queue_delayed_work(ts_data->ts_workqueue,
&ts_data->esdcheck_work,
msecs_to_jiffies(ESDCHECK_WAIT_TIME));
} else {
FTS_DEBUG("ESD check stop");
cancel_delayed_work_sync(&ts_data->esdcheck_work);
}
}
FTS_FUNC_EXIT();
return 0;
}
int fts_esdcheck_suspend(void)
{
FTS_FUNC_ENTER();
fts_esdcheck_switch(DISABLE);
fts_esdcheck_data.suspend = 1;
fts_esdcheck_data.intr = 0;
fts_esdcheck_data.intr_cnt = 0;
FTS_FUNC_EXIT();
return 0;
}
int fts_esdcheck_resume( void )
{
FTS_FUNC_ENTER();
fts_esdcheck_switch(ENABLE);
fts_esdcheck_data.suspend = 0;
fts_esdcheck_data.intr = 0;
fts_esdcheck_data.intr_cnt = 0;
FTS_FUNC_EXIT();
return 0;
}
static ssize_t fts_esdcheck_store(
struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct input_dev *input_dev = fts_data->input_dev;
mutex_lock(&input_dev->mutex);
if (FTS_SYSFS_ECHO_ON(buf)) {
FTS_DEBUG("enable esdcheck");
fts_esdcheck_data.mode = ENABLE;
fts_esdcheck_switch(ENABLE);
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
FTS_DEBUG("disable esdcheck");
fts_esdcheck_switch(DISABLE);
fts_esdcheck_data.mode = DISABLE;
}
mutex_unlock(&input_dev->mutex);
return count;
}
static ssize_t fts_esdcheck_show(
struct device *dev, struct device_attribute *attr, char *buf)
{
int count;
struct input_dev *input_dev = fts_data->input_dev;
mutex_lock(&input_dev->mutex);
count = snprintf(buf, PAGE_SIZE, "Esd check: %s\n", \
fts_esdcheck_get_status() ? "On" : "Off");
mutex_unlock(&input_dev->mutex);
return count;
}
/* sysfs esd node
* read example: cat fts_esd_mode ---read esd mode
* write example:echo 01 > fts_esd_mode ---make esdcheck enable
*
*/
static DEVICE_ATTR (fts_esd_mode, S_IRUGO | S_IWUSR, fts_esdcheck_show, fts_esdcheck_store);
static struct attribute *fts_esd_mode_attrs[] = {
&dev_attr_fts_esd_mode.attr,
NULL,
};
static struct attribute_group fts_esd_group = {
.attrs = fts_esd_mode_attrs,
};
int fts_create_esd_sysfs(struct device *dev)
{
int ret = 0;
ret = sysfs_create_group(&dev->kobj, &fts_esd_group);
if ( ret != 0) {
FTS_ERROR("fts_create_esd_sysfs(sysfs) create fail");
sysfs_remove_group(&dev->kobj, &fts_esd_group);
return ret;
}
return 0;
}
int fts_esdcheck_init(struct fts_ts_data *ts_data)
{
FTS_FUNC_ENTER();
if (ts_data->ts_workqueue) {
INIT_DELAYED_WORK(&ts_data->esdcheck_work, esdcheck_func);
} else {
FTS_ERROR("fts workqueue is NULL, can't run esd check function");
return -EINVAL;
}
memset((u8 *)&fts_esdcheck_data, 0, sizeof(struct fts_esdcheck_st));
fts_esdcheck_data.mode = ENABLE;
fts_esdcheck_data.intr = 0;
fts_esdcheck_data.intr_cnt = 0;
fts_esdcheck_switch(ENABLE);
fts_create_esd_sysfs(ts_data->dev);
FTS_FUNC_EXIT();
return 0;
}
int fts_esdcheck_exit(struct fts_ts_data *ts_data)
{
sysfs_remove_group(&ts_data->dev->kobj, &fts_esd_group);
return 0;
}
#endif /* FTS_ESDCHECK_EN */

1181
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_ex_fun.c Normal file
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307
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_ex_mode.c Normal file
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/*
*
* FocalTech ftxxxx 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_ex_mode.c
*
* Author: Focaltech Driver Team
*
* Created: 2016-08-31
*
* Abstract:
*
* Reference:
*
*****************************************************************************/
/*****************************************************************************
* 1.Included header files
*****************************************************************************/
#include "focaltech_core.h"
/*****************************************************************************
* 2.Private constant and macro definitions using #define
*****************************************************************************/
/*****************************************************************************
* 3.Private enumerations, structures and unions using typedef
*****************************************************************************/
enum _ex_mode {
MODE_GLOVE = 0,
MODE_COVER,
MODE_CHARGER,
};
/*****************************************************************************
* 4.Static variables
*****************************************************************************/
/*****************************************************************************
* 5.Global variable or extern global variabls/functions
*****************************************************************************/
/*****************************************************************************
* 6.Static function prototypes
*******************************************************************************/
static int fts_ex_mode_switch(enum _ex_mode mode, u8 value)
{
int ret = 0;
u8 m_val = 0;
if (value)
m_val = 0x01;
else
m_val = 0x00;
switch (mode) {
case MODE_GLOVE:
ret = fts_write_reg(FTS_REG_GLOVE_MODE_EN, m_val);
if (ret < 0) {
FTS_ERROR("MODE_GLOVE switch to %d fail", m_val);
}
break;
case MODE_COVER:
ret = fts_write_reg(FTS_REG_COVER_MODE_EN, m_val);
if (ret < 0) {
FTS_ERROR("MODE_COVER switch to %d fail", m_val);
}
break;
case MODE_CHARGER:
ret = fts_write_reg(FTS_REG_CHARGER_MODE_EN, m_val);
if (ret < 0) {
FTS_ERROR("MODE_CHARGER switch to %d fail", m_val);
}
break;
default:
FTS_ERROR("mode(%d) unsupport", mode);
ret = -EINVAL;
break;
}
return ret;
}
static ssize_t fts_glove_mode_show(
struct device *dev, struct device_attribute *attr, char *buf)
{
int count = 0;
u8 val = 0;
struct fts_ts_data *ts_data = fts_data;
struct input_dev *input_dev = ts_data->input_dev;
mutex_lock(&input_dev->mutex);
fts_read_reg(FTS_REG_GLOVE_MODE_EN, &val);
count = snprintf(buf + count, PAGE_SIZE, "Glove Mode:%s\n",
ts_data->glove_mode ? "On" : "Off");
count += snprintf(buf + count, PAGE_SIZE, "Glove Reg(0xC0):%d\n", val);
mutex_unlock(&input_dev->mutex);
return count;
}
static ssize_t fts_glove_mode_store(
struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int ret = 0;
struct fts_ts_data *ts_data = fts_data;
if (FTS_SYSFS_ECHO_ON(buf)) {
if (!ts_data->glove_mode) {
FTS_DEBUG("enter glove mode");
ret = fts_ex_mode_switch(MODE_GLOVE, ENABLE);
if (ret >= 0) {
ts_data->glove_mode = ENABLE;
}
}
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
if (ts_data->glove_mode) {
FTS_DEBUG("exit glove mode");
ret = fts_ex_mode_switch(MODE_GLOVE, DISABLE);
if (ret >= 0) {
ts_data->glove_mode = DISABLE;
}
}
}
FTS_DEBUG("glove mode:%d", ts_data->glove_mode);
return count;
}
static ssize_t fts_cover_mode_show(
struct device *dev, struct device_attribute *attr, char *buf)
{
int count = 0;
u8 val = 0;
struct fts_ts_data *ts_data = fts_data;
struct input_dev *input_dev = ts_data->input_dev;
mutex_lock(&input_dev->mutex);
fts_read_reg(FTS_REG_COVER_MODE_EN, &val);
count = snprintf(buf + count, PAGE_SIZE, "Cover Mode:%s\n",
ts_data->cover_mode ? "On" : "Off");
count += snprintf(buf + count, PAGE_SIZE, "Cover Reg(0xC1):%d\n", val);
mutex_unlock(&input_dev->mutex);
return count;
}
static ssize_t fts_cover_mode_store(
struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int ret = 0;
struct fts_ts_data *ts_data = fts_data;
if (FTS_SYSFS_ECHO_ON(buf)) {
if (!ts_data->cover_mode) {
FTS_DEBUG("enter cover mode");
ret = fts_ex_mode_switch(MODE_COVER, ENABLE);
if (ret >= 0) {
ts_data->cover_mode = ENABLE;
}
}
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
if (ts_data->cover_mode) {
FTS_DEBUG("exit cover mode");
ret = fts_ex_mode_switch(MODE_COVER, DISABLE);
if (ret >= 0) {
ts_data->cover_mode = DISABLE;
}
}
}
FTS_DEBUG("cover mode:%d", ts_data->cover_mode);
return count;
}
static ssize_t fts_charger_mode_show(
struct device *dev, struct device_attribute *attr, char *buf)
{
int count = 0;
u8 val = 0;
struct fts_ts_data *ts_data = fts_data;
struct input_dev *input_dev = ts_data->input_dev;
mutex_lock(&input_dev->mutex);
fts_read_reg(FTS_REG_CHARGER_MODE_EN, &val);
count = snprintf(buf + count, PAGE_SIZE, "Charger Mode:%s\n",
ts_data->charger_mode ? "On" : "Off");
count += snprintf(buf + count, PAGE_SIZE, "Charger Reg(0x8B):%d\n", val);
mutex_unlock(&input_dev->mutex);
return count;
}
static ssize_t fts_charger_mode_store(
struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int ret = 0;
struct fts_ts_data *ts_data = fts_data;
if (FTS_SYSFS_ECHO_ON(buf)) {
if (!ts_data->charger_mode) {
FTS_DEBUG("enter charger mode");
ret = fts_ex_mode_switch(MODE_CHARGER, ENABLE);
if (ret >= 0) {
ts_data->charger_mode = ENABLE;
}
}
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
if (ts_data->charger_mode) {
FTS_DEBUG("exit charger mode");
ret = fts_ex_mode_switch(MODE_CHARGER, DISABLE);
if (ret >= 0) {
ts_data->charger_mode = DISABLE;
}
}
}
FTS_DEBUG("charger mode:%d", ts_data->glove_mode);
return count;
}
/* read and write charger mode
* read example: cat fts_glove_mode ---read glove mode
* write example:echo 1 > fts_glove_mode ---write glove mode to 01
*/
static DEVICE_ATTR(fts_glove_mode, S_IRUGO | S_IWUSR,
fts_glove_mode_show, fts_glove_mode_store);
static DEVICE_ATTR(fts_cover_mode, S_IRUGO | S_IWUSR,
fts_cover_mode_show, fts_cover_mode_store);
static DEVICE_ATTR(fts_charger_mode, S_IRUGO | S_IWUSR,
fts_charger_mode_show, fts_charger_mode_store);
static struct attribute *fts_touch_mode_attrs[] = {
&dev_attr_fts_glove_mode.attr,
&dev_attr_fts_cover_mode.attr,
&dev_attr_fts_charger_mode.attr,
NULL,
};
static struct attribute_group fts_touch_mode_group = {
.attrs = fts_touch_mode_attrs,
};
int fts_ex_mode_recovery(struct fts_ts_data *ts_data)
{
if (ts_data->glove_mode) {
fts_ex_mode_switch(MODE_GLOVE, ENABLE);
}
if (ts_data->cover_mode) {
fts_ex_mode_switch(MODE_COVER, ENABLE);
}
if (ts_data->charger_mode) {
fts_ex_mode_switch(MODE_CHARGER, ENABLE);
}
return 0;
}
int fts_ex_mode_init(struct fts_ts_data *ts_data)
{
int ret = 0;
ts_data->glove_mode = DISABLE;
ts_data->cover_mode = DISABLE;
ts_data->charger_mode = DISABLE;
ret = sysfs_create_group(&ts_data->dev->kobj, &fts_touch_mode_group);
if (ret < 0) {
FTS_ERROR("create sysfs(ex_mode) fail");
sysfs_remove_group(&ts_data->dev->kobj, &fts_touch_mode_group);
return ret;
} else {
FTS_DEBUG("create sysfs(ex_mode) succeedfully");
}
return 0;
}
int fts_ex_mode_exit(struct fts_ts_data *ts_data)
{
sysfs_remove_group(&ts_data->dev->kobj, &fts_touch_mode_group);
return 0;
}

2011
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_flash.c Normal file
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205
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_flash.h Normal file
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/************************************************************************
* Copyright (C) 2012-2019, Focaltech Systems (R)£¬All Rights Reserved.
*
* File Name: focaltech_flash.h
*
* Author: Focaltech Driver Team
*
* Created: 2016-08-07
*
* Abstract:
*
************************************************************************/
#ifndef __LINUX_FOCALTECH_FLASH_H__
#define __LINUX_FOCALTECH_FLASH_H__
/*****************************************************************************
* 1.Included header files
*****************************************************************************/
#include "focaltech_core.h"
/*****************************************************************************
* Private constant and macro definitions using #define
*****************************************************************************/
#define FTS_CMD_RESET 0x07
#define FTS_ROMBOOT_CMD_SET_PRAM_ADDR 0xAD
#define FTS_ROMBOOT_CMD_SET_PRAM_ADDR_LEN 4
#define FTS_ROMBOOT_CMD_WRITE 0xAE
#define FTS_ROMBOOT_CMD_START_APP 0x08
#define FTS_DELAY_PRAMBOOT_START 10
#define FTS_ROMBOOT_CMD_ECC 0xCC
#define FTS_PRAM_SADDR 0x000000
#define FTS_DRAM_SADDR 0xD00000
#define FTS_CMD_READ 0x03
#define FTS_CMD_READ_DELAY 1
#define FTS_CMD_READ_LEN 4
#define FTS_CMD_FLASH_TYPE 0x05
#define FTS_CMD_FLASH_MODE 0x09
#define FLASH_MODE_WRITE_FLASH_VALUE 0x0A
#define FLASH_MODE_UPGRADE_VALUE 0x0B
#define FLASH_MODE_LIC_VALUE 0x0C
#define FLASH_MODE_PARAM_VALUE 0x0D
#define FTS_CMD_ERASE_APP 0x61
#define FTS_REASE_APP_DELAY 1350
#define FTS_ERASE_SECTOR_DELAY 60
#define FTS_RETRIES_REASE 50
#define FTS_RETRIES_DELAY_REASE 200
#define FTS_CMD_FLASH_STATUS 0x6A
#define FTS_CMD_FLASH_STATUS_LEN 2
#define FTS_CMD_FLASH_STATUS_NOP 0x0000
#define FTS_CMD_FLASH_STATUS_ECC_OK 0xF055
#define FTS_CMD_FLASH_STATUS_ERASE_OK 0xF0AA
#define FTS_CMD_FLASH_STATUS_WRITE_OK 0x1000
#define FTS_CMD_ECC_INIT 0x64
#define FTS_CMD_ECC_CAL 0x65
#define FTS_CMD_ECC_CAL_LEN 6
#define FTS_RETRIES_ECC_CAL 10
#define FTS_RETRIES_DELAY_ECC_CAL 50
#define FTS_CMD_ECC_READ 0x66
#define FTS_CMD_DATA_LEN 0xB0
#define FTS_CMD_APP_DATA_LEN_INCELL 0x7A
#define FTS_CMD_DATA_LEN_LEN 4
#define FTS_CMD_WRITE 0xBF
#define FTS_RETRIES_WRITE 100
#define FTS_RETRIES_DELAY_WRITE 1
#define FTS_CMD_WRITE_LEN 6
#define FTS_DELAY_READ_ID 20
#define FTS_DELAY_UPGRADE_RESET 80
#define PRAMBOOT_MIN_SIZE 0x120
#define PRAMBOOT_MAX_SIZE (64*1024)
#define FTS_FLASH_PACKET_LENGTH 32 /* max=128 */
#define FTS_MAX_LEN_ECC_CALC 0xFFFE /* must be even */
#define FTS_MIN_LEN 0x120
#define FTS_MAX_LEN_FILE (128 * 1024)
#define FTS_MAX_LEN_APP (64 * 1024)
#define FTS_MAX_LEN_SECTOR (4 * 1024)
#define FTS_CONIFG_VENDORID_OFF 0x04
#define FTS_CONIFG_MODULEID_OFF 0x1E
#define FTS_CONIFG_PROJECTID_OFF 0x20
#define FTS_APPINFO_OFF 0x100
#define FTS_APPINFO_APPLEN_OFF 0x00
#define FTS_APPINFO_APPLEN2_OFF 0x12
#define FTS_REG_UPGRADE 0xFC
#define FTS_REG_UPGRADE2 0xBC
#define FTS_UPGRADE_AA 0xAA
#define FTS_UPGRADE_55 0x55
#define FTS_DELAY_UPGRADE_AA 10
#define FTS_UPGRADE_LOOP 30
#define FTS_HEADER_LEN 32
#define FTS_FW_BIN_FILEPATH "/sdcard/"
#define FTS_FW_IDE_SIG "IDE_"
#define FTS_FW_IDE_SIG_LEN 4
#define MAX_MODULE_VENDOR_NAME_LEN 16
#define FTS_ROMBOOT_CMD_ECC_NEW_LEN 7
#define FTS_ECC_FINISH_TIMEOUT 100
#define FTS_ROMBOOT_CMD_ECC_FINISH 0xCE
#define FTS_ROMBOOT_CMD_ECC_FINISH_OK_A5 0xA5
#define FTS_ROMBOOT_CMD_ECC_FINISH_OK_00 0x00
#define FTS_ROMBOOT_CMD_ECC_READ 0xCD
#define AL2_FCS_COEF ((1 << 15) + (1 << 10) + (1 << 3))
#define FTS_APP_INFO_OFFSET 0x100
enum FW_STATUS {
FTS_RUN_IN_ERROR,
FTS_RUN_IN_APP,
FTS_RUN_IN_ROM,
FTS_RUN_IN_PRAM,
FTS_RUN_IN_BOOTLOADER,
};
enum FW_FLASH_MODE {
FLASH_MODE_APP,
FLASH_MODE_LIC,
FLASH_MODE_PARAM,
FLASH_MODE_ALL,
};
enum ECC_CHECK_MODE {
ECC_CHECK_MODE_XOR,
ECC_CHECK_MODE_CRC16,
};
/*****************************************************************************
* Private enumerations, structures and unions using typedef
*****************************************************************************/
/* IC info */
struct upgrade_func {
u64 ctype[FTX_MAX_COMPATIBLE_TYPE];
u32 fwveroff;
u32 fwcfgoff;
u32 appoff;
u32 licoff;
u32 paramcfgoff;
u32 paramcfgveroff;
u32 paramcfg2off;
int pram_ecc_check_mode;
int fw_ecc_check_mode;
bool new_return_value_from_ic;
bool appoff_handle_in_ic;
bool is_reset_register_BC;
bool read_boot_id_need_reset;
bool hid_supported;
bool pramboot_supported;
u8 *pramboot;
u32 pb_length;
int (*init)(u8 *, u32);
int (*upgrade)(u8 *, u32);
int (*get_hlic_ver)(u8 *);
int (*lic_upgrade)(u8 *, u32);
int (*param_upgrade)(u8 *, u32);
int (*force_upgrade)(u8 *, u32);
};
struct upgrade_setting_nf {
u8 rom_idh;
u8 rom_idl;
u16 reserved;
u32 app2_offset;
u32 ecclen_max;
u8 eccok_val;
u8 upgsts_boot;
u8 delay_init;
bool spi_pe;
bool half_length;
bool fd_check;
bool drwr_support;
};
struct upgrade_module {
int id;
char vendor_name[MAX_MODULE_VENDOR_NAME_LEN];
u8 *fw_file;
u32 fw_len;
};
struct fts_upgrade {
struct fts_ts_data *ts_data;
struct upgrade_module *module_info;
struct upgrade_func *func;
struct upgrade_setting_nf *setting_nf;
int module_id;
bool fw_from_request;
u8 *fw;
u32 fw_length;
u8 *lic;
u32 lic_length;
};
/*****************************************************************************
* Global variable or extern global variabls/functions
*****************************************************************************/
extern struct upgrade_func upgrade_func_ft5422;
/*****************************************************************************
* Static function prototypes
*****************************************************************************/
int fts_fwupg_reset_in_boot(void);
int fts_fwupg_enter_into_boot(void);
int fts_fwupg_erase(u32 delay);
int fts_fwupg_ecc_cal(u32 saddr, u32 len);
int fts_flash_write_buf(u32 saddr, u8 *buf, u32 len, u32 delay);
int fts_fwupg_upgrade(struct fts_upgrade *upg);
#endif

7
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_flash/Makefile Normal file
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@@ -0,0 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the focaltech touchscreen drivers.
#
obj-y += focaltech_upgrade_ft5436.o

154
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_flash/focaltech_upgrade_ft5436.c Normal file
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@@ -0,0 +1,154 @@
/*
*
* 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_upgrade_ft5422.c
*
* Author: Focaltech Driver Team
*
* Created: 2016-08-15
*
* Abstract:
*
* Reference:
*
*****************************************************************************/
/*****************************************************************************
* 1.Included header files
*****************************************************************************/
#include "../focaltech_flash.h"
/*****************************************************************************
* Static function prototypes
*****************************************************************************/
static int fts_ft5422_init(u8 *buf, u32 len)
{
if ((!buf) || (len < FTS_MIN_LEN)) {
FTS_ERROR("upg is null/fw length fail");
return -EINVAL;
}
upgrade_func_ft5422.fwveroff = len - 2;
return 0;
}
/************************************************************************
* Name: fts_ft5422_upgrade
* Brief:
* Input:
* Output:
* Return: return 0 if success, otherwise return error code
***********************************************************************/
static int fts_ft5422_upgrade(u8 *buf, u32 len)
{
int ret = 0;
u32 start_addr = 0;
u8 cmd[4] = { 0 };
int ecc_in_host = 0;
int ecc_in_tp = 0;
if (NULL == buf) {
FTS_ERROR("fw buf is null");
return -EINVAL;
}
if ((len < FTS_MIN_LEN) || (len > (60 * 1024))) {
FTS_ERROR("fw buffer len(%x) fail", len);
return -EINVAL;
}
/* enter into upgrade environment */
ret = fts_fwupg_enter_into_boot();
if (ret < 0) {
FTS_ERROR("enter into pramboot/bootloader fail,ret=%d", ret);
goto fw_reset;
}
cmd[0] = FTS_CMD_FLASH_MODE;
cmd[1] = FLASH_MODE_UPGRADE_VALUE;
ret = fts_write(cmd, 2);
if (ret < 0) {
FTS_ERROR("upgrade mode(09) cmd write fail");
goto fw_reset;
}
cmd[0] = FTS_CMD_DATA_LEN;
cmd[1] = BYTE_OFF_16(len);
cmd[2] = BYTE_OFF_8(len);
cmd[3] = BYTE_OFF_0(len);
ret = fts_write(cmd, FTS_CMD_DATA_LEN_LEN);
if (ret < 0) {
FTS_ERROR("data len cmd write fail");
goto fw_reset;
}
ret = fts_fwupg_erase(FTS_REASE_APP_DELAY);
if (ret < 0) {
FTS_ERROR("erase cmd write fail");
goto fw_reset;
}
/* write app */
start_addr = upgrade_func_ft5422.appoff;
ecc_in_host = fts_flash_write_buf(start_addr, buf, len, 1);
if (ecc_in_host < 0 ) {
FTS_ERROR("lcd initial code write fail");
goto fw_reset;
}
/* ecc */
ecc_in_tp = fts_fwupg_ecc_cal(start_addr, len);
if (ecc_in_tp < 0 ) {
FTS_ERROR("ecc read fail");
goto fw_reset;
}
FTS_INFO("ecc in tp:%x, host:%x", ecc_in_tp, ecc_in_host);
if (ecc_in_tp != ecc_in_host) {
FTS_ERROR("ecc check fail");
goto fw_reset;
}
FTS_INFO("upgrade success, reset to normal boot");
ret = fts_fwupg_reset_in_boot();
if (ret < 0) {
FTS_ERROR("reset to normal boot fail");
}
msleep(200);
return 0;
fw_reset:
FTS_INFO("upgrade fail, reset to normal boot");
ret = fts_fwupg_reset_in_boot();
if (ret < 0) {
FTS_ERROR("reset to normal boot fail");
}
return -EIO;
}
struct upgrade_func upgrade_func_ft5422 = {
.ctype = {0x02},
.fwveroff = 0x0000,
.fwcfgoff = 0xD780,
.appoff = 0x0000,
.pramboot_supported = false,
.hid_supported = true,
.init = fts_ft5422_init,
.upgrade = fts_ft5422_upgrade,
};

460
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_gesture.c Normal file
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@@ -0,0 +1,460 @@
/*
*
* FocalTech 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_gestrue.c
*
* Author: Focaltech Driver Team
*
* Created: 2016-08-08
*
* Abstract:
*
* Reference:
*
*****************************************************************************/
/*****************************************************************************
* 1.Included header files
*****************************************************************************/
#include "focaltech_core.h"
/******************************************************************************
* Private constant and macro definitions using #define
*****************************************************************************/
#define KEY_GESTURE_U KEY_U
#define KEY_GESTURE_UP KEY_UP
#define KEY_GESTURE_DOWN KEY_DOWN
#define KEY_GESTURE_LEFT KEY_LEFT
#define KEY_GESTURE_RIGHT KEY_RIGHT
#define KEY_GESTURE_O KEY_O
#define KEY_GESTURE_E KEY_E
#define KEY_GESTURE_M KEY_M
#define KEY_GESTURE_L KEY_L
#define KEY_GESTURE_W KEY_W
#define KEY_GESTURE_S KEY_S
#define KEY_GESTURE_V KEY_V
#define KEY_GESTURE_C KEY_C
#define KEY_GESTURE_Z KEY_Z
#define GESTURE_LEFT 0x20
#define GESTURE_RIGHT 0x21
#define GESTURE_UP 0x22
#define GESTURE_DOWN 0x23
#define GESTURE_DOUBLECLICK 0x24
#define GESTURE_O 0x30
#define GESTURE_W 0x31
#define GESTURE_M 0x32
#define GESTURE_E 0x33
#define GESTURE_L 0x44
#define GESTURE_S 0x46
#define GESTURE_V 0x54
#define GESTURE_Z 0x41
#define GESTURE_C 0x34
/*****************************************************************************
* Private enumerations, structures and unions using typedef
*****************************************************************************/
/*
* gesture_id - mean which gesture is recognised
* point_num - points number of this gesture
* coordinate_x - All gesture point x coordinate
* coordinate_y - All gesture point y coordinate
* mode - gesture enable/disable, need enable by host
* - 1:enable gesture function(default) 0:disable
* active - gesture work flag,
* always set 1 when suspend, set 0 when resume
*/
struct fts_gesture_st {
u8 gesture_id;
u8 point_num;
u16 coordinate_x[FTS_GESTURE_POINTS_MAX];
u16 coordinate_y[FTS_GESTURE_POINTS_MAX];
};
/*****************************************************************************
* Static variables
*****************************************************************************/
static struct fts_gesture_st fts_gesture_data;
/*****************************************************************************
* Global variable or extern global variabls/functions
*****************************************************************************/
/*****************************************************************************
* Static function prototypes
*****************************************************************************/
static ssize_t fts_gesture_show(
struct device *dev, struct device_attribute *attr, char *buf)
{
int count = 0;
u8 val = 0;
struct fts_ts_data *ts_data = fts_data;
mutex_lock(&ts_data->input_dev->mutex);
fts_read_reg(FTS_REG_GESTURE_EN, &val);
count = snprintf(buf, PAGE_SIZE, "Gesture Mode:%s\n",
ts_data->gesture_mode ? "On" : "Off");
count += snprintf(buf + count, PAGE_SIZE, "Reg(0xD0)=%d\n", val);
mutex_unlock(&ts_data->input_dev->mutex);
return count;
}
static ssize_t fts_gesture_store(
struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct fts_ts_data *ts_data = fts_data;
mutex_lock(&ts_data->input_dev->mutex);
if (FTS_SYSFS_ECHO_ON(buf)) {
FTS_DEBUG("enable gesture");
ts_data->gesture_mode = ENABLE;
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
FTS_DEBUG("disable gesture");
ts_data->gesture_mode = DISABLE;
}
mutex_unlock(&ts_data->input_dev->mutex);
return count;
}
static ssize_t fts_gesture_buf_show(
struct device *dev, struct device_attribute *attr, char *buf)
{
int count = 0;
int i = 0;
struct input_dev *input_dev = fts_data->input_dev;
struct fts_gesture_st *gesture = &fts_gesture_data;
mutex_lock(&input_dev->mutex);
count = snprintf(buf, PAGE_SIZE, "Gesture ID:%d\n", gesture->gesture_id);
count += snprintf(buf + count, PAGE_SIZE, "Gesture PointNum:%d\n",
gesture->point_num);
count += snprintf(buf + count, PAGE_SIZE, "Gesture Points Buffer:\n");
/* save point data,max:6 */
for (i = 0; i < FTS_GESTURE_POINTS_MAX; i++) {
count += snprintf(buf + count, PAGE_SIZE, "%3d(%4d,%4d) ", i,
gesture->coordinate_x[i], gesture->coordinate_y[i]);
if ((i + 1) % 4 == 0)
count += snprintf(buf + count, PAGE_SIZE, "\n");
}
count += snprintf(buf + count, PAGE_SIZE, "\n");
mutex_unlock(&input_dev->mutex);
return count;
}
static ssize_t fts_gesture_buf_store(
struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
return -EPERM;
}
/* sysfs gesture node
* read example: cat fts_gesture_mode ---read gesture mode
* write example:echo 1 > fts_gesture_mode --- write gesture mode to 1
*
*/
static DEVICE_ATTR(fts_gesture_mode, S_IRUGO | S_IWUSR, fts_gesture_show,
fts_gesture_store);
/*
* read example: cat fts_gesture_buf --- read gesture buf
*/
static DEVICE_ATTR(fts_gesture_buf, S_IRUGO | S_IWUSR,
fts_gesture_buf_show, fts_gesture_buf_store);
static struct attribute *fts_gesture_mode_attrs[] = {
&dev_attr_fts_gesture_mode.attr,
&dev_attr_fts_gesture_buf.attr,
NULL,
};
static struct attribute_group fts_gesture_group = {
.attrs = fts_gesture_mode_attrs,
};
static int fts_create_gesture_sysfs(struct device *dev)
{
int ret = 0;
ret = sysfs_create_group(&dev->kobj, &fts_gesture_group);
if (ret) {
FTS_ERROR("gesture sys node create fail");
sysfs_remove_group(&dev->kobj, &fts_gesture_group);
return ret;
}
return 0;
}
static void fts_gesture_report(struct input_dev *input_dev, int gesture_id)
{
int gesture;
FTS_DEBUG("gesture_id:0x%x", gesture_id);
switch (gesture_id) {
case GESTURE_LEFT:
gesture = KEY_GESTURE_LEFT;
break;
case GESTURE_RIGHT:
gesture = KEY_GESTURE_RIGHT;
break;
case GESTURE_UP:
gesture = KEY_GESTURE_UP;
break;
case GESTURE_DOWN:
gesture = KEY_GESTURE_DOWN;
break;
case GESTURE_DOUBLECLICK:
gesture = KEY_GESTURE_U;
break;
case GESTURE_O:
gesture = KEY_GESTURE_O;
break;
case GESTURE_W:
gesture = KEY_GESTURE_W;
break;
case GESTURE_M:
gesture = KEY_GESTURE_M;
break;
case GESTURE_E:
gesture = KEY_GESTURE_E;
break;
case GESTURE_L:
gesture = KEY_GESTURE_L;
break;
case GESTURE_S:
gesture = KEY_GESTURE_S;
break;
case GESTURE_V:
gesture = KEY_GESTURE_V;
break;
case GESTURE_Z:
gesture = KEY_GESTURE_Z;
break;
case GESTURE_C:
gesture = KEY_GESTURE_C;
break;
default:
gesture = -1;
break;
}
/* report event key */
if (gesture != -1) {
FTS_DEBUG("Gesture Code=%d", gesture);
input_report_key(input_dev, gesture, 1);
input_sync(input_dev);
input_report_key(input_dev, gesture, 0);
input_sync(input_dev);
}
}
/*****************************************************************************
* Name: fts_gesture_readdata
* Brief: Read information about gesture: enable flag/gesture points..., if ges-
* ture enable, save gesture points' information, and report to OS.
* It will be called this function every intrrupt when FTS_GESTURE_EN = 1
*
* gesture data length: 1(enable) + 1(reserve) + 2(header) + 6 * 4
* Input: ts_data - global struct data
* data - gesture data buffer if non-flash, else NULL
* Output:
* Return: 0 - read gesture data successfully, the report data is gesture data
* 1 - tp not in suspend/gesture not enable in TP FW
* -Exx - error
*****************************************************************************/
int fts_gesture_readdata(struct fts_ts_data *ts_data, u8 *data)
{
int ret = 0;
int i = 0;
int index = 0;
u8 buf[FTS_GESTURE_DATA_LEN] = { 0 };
struct input_dev *input_dev = ts_data->input_dev;
struct fts_gesture_st *gesture = &fts_gesture_data;
if (!ts_data->suspended || !ts_data->gesture_mode) {
return 1;
}
ret = fts_read_reg(FTS_REG_GESTURE_EN, &buf[0]);
if ((ret < 0) || (buf[0] != ENABLE)) {
FTS_DEBUG("gesture not enable in fw, don't process gesture");
return 1;
}
buf[2] = FTS_REG_GESTURE_OUTPUT_ADDRESS;
ret = fts_read(&buf[2], 1, &buf[2], FTS_GESTURE_DATA_LEN - 2);
if (ret < 0) {
FTS_ERROR("read gesture header data fail");
return ret;
}
/* init variable before read gesture point */
memset(gesture->coordinate_x, 0, FTS_GESTURE_POINTS_MAX * sizeof(u16));
memset(gesture->coordinate_y, 0, FTS_GESTURE_POINTS_MAX * sizeof(u16));
gesture->gesture_id = buf[2];
gesture->point_num = buf[3];
FTS_DEBUG("gesture_id=%d, point_num=%d",
gesture->gesture_id, gesture->point_num);
/* save point data,max:6 */
for (i = 0; i < FTS_GESTURE_POINTS_MAX; i++) {
index = 4 * i + 4;
gesture->coordinate_x[i] = (u16)(((buf[0 + index] & 0x0F) << 8)
+ buf[1 + index]);
gesture->coordinate_y[i] = (u16)(((buf[2 + index] & 0x0F) << 8)
+ buf[3 + index]);
}
/* report gesture to OS */
fts_gesture_report(input_dev, gesture->gesture_id);
return 0;
}
void fts_gesture_recovery(struct fts_ts_data *ts_data)
{
if (ts_data->gesture_mode && ts_data->suspended) {
FTS_DEBUG("gesture recovery...");
fts_write_reg(0xD1, 0xFF);
fts_write_reg(0xD2, 0xFF);
fts_write_reg(0xD5, 0xFF);
fts_write_reg(0xD6, 0xFF);
fts_write_reg(0xD7, 0xFF);
fts_write_reg(0xD8, 0xFF);
fts_write_reg(FTS_REG_GESTURE_EN, ENABLE);
}
}
int fts_gesture_suspend(struct fts_ts_data *ts_data)
{
int i = 0;
u8 state = 0xFF;
FTS_FUNC_ENTER();
if (enable_irq_wake(ts_data->irq)) {
FTS_DEBUG("enable_irq_wake(irq:%d) fail", ts_data->irq);
}
for (i = 0; i < 5; i++) {
fts_write_reg(0xD1, 0xFF);
fts_write_reg(0xD2, 0xFF);
fts_write_reg(0xD5, 0xFF);
fts_write_reg(0xD6, 0xFF);
fts_write_reg(0xD7, 0xFF);
fts_write_reg(0xD8, 0xFF);
fts_write_reg(FTS_REG_GESTURE_EN, ENABLE);
msleep(1);
fts_read_reg(FTS_REG_GESTURE_EN, &state);
if (state == ENABLE)
break;
}
if (i >= 5)
FTS_ERROR("make IC enter into gesture(suspend) fail,state:%x", state);
else
FTS_INFO("Enter into gesture(suspend) successfully");
FTS_FUNC_EXIT();
return 0;
}
int fts_gesture_resume(struct fts_ts_data *ts_data)
{
int i = 0;
u8 state = 0xFF;
FTS_FUNC_ENTER();
if (disable_irq_wake(ts_data->irq)) {
FTS_DEBUG("disable_irq_wake(irq:%d) fail", ts_data->irq);
}
for (i = 0; i < 5; i++) {
fts_write_reg(FTS_REG_GESTURE_EN, DISABLE);
msleep(1);
fts_read_reg(FTS_REG_GESTURE_EN, &state);
if (state == DISABLE)
break;
}
if (i >= 5)
FTS_ERROR("make IC exit gesture(resume) fail,state:%x", state);
else
FTS_INFO("resume from gesture successfully");
FTS_FUNC_EXIT();
return 0;
}
int fts_gesture_init(struct fts_ts_data *ts_data)
{
struct input_dev *input_dev = ts_data->input_dev;
FTS_FUNC_ENTER();
input_set_capability(input_dev, EV_KEY, KEY_POWER);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_U);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_UP);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_DOWN);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_LEFT);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_RIGHT);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_O);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_E);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_M);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_L);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_W);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_S);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_V);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_Z);
input_set_capability(input_dev, EV_KEY, KEY_GESTURE_C);
__set_bit(KEY_GESTURE_RIGHT, input_dev->keybit);
__set_bit(KEY_GESTURE_LEFT, input_dev->keybit);
__set_bit(KEY_GESTURE_UP, input_dev->keybit);
__set_bit(KEY_GESTURE_DOWN, input_dev->keybit);
__set_bit(KEY_GESTURE_U, input_dev->keybit);
__set_bit(KEY_GESTURE_O, input_dev->keybit);
__set_bit(KEY_GESTURE_E, input_dev->keybit);
__set_bit(KEY_GESTURE_M, input_dev->keybit);
__set_bit(KEY_GESTURE_W, input_dev->keybit);
__set_bit(KEY_GESTURE_L, input_dev->keybit);
__set_bit(KEY_GESTURE_S, input_dev->keybit);
__set_bit(KEY_GESTURE_V, input_dev->keybit);
__set_bit(KEY_GESTURE_C, input_dev->keybit);
__set_bit(KEY_GESTURE_Z, input_dev->keybit);
fts_create_gesture_sysfs(ts_data->dev);
memset(&fts_gesture_data, 0, sizeof(struct fts_gesture_st));
ts_data->gesture_mode = FTS_GESTURE_EN;
FTS_FUNC_EXIT();
return 0;
}
int fts_gesture_exit(struct fts_ts_data *ts_data)
{
FTS_FUNC_ENTER();
sysfs_remove_group(&ts_data->dev->kobj, &fts_gesture_group);
FTS_FUNC_EXIT();
return 0;
}

193
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_i2c.c Normal file
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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_i2c.c
*
* Author: Focaltech Driver Team
*
* Created: 2016-08-04
*
* Abstract: i2c communication with TP
*
* Version: v1.0
*
* Revision History:
*
************************************************************************/
/*****************************************************************************
* Included header files
*****************************************************************************/
#include "focaltech_core.h"
/*****************************************************************************
* Private constant and macro definitions using #define
*****************************************************************************/
#define I2C_RETRY_NUMBER 3
#define I2C_BUF_LENGTH 256
/*****************************************************************************
* Private enumerations, structures and unions using typedef
*****************************************************************************/
/*****************************************************************************
* Static variables
*****************************************************************************/
/*****************************************************************************
* Global variable or extern global variabls/functions
*****************************************************************************/
/*****************************************************************************
* Static function prototypes
*****************************************************************************/
/*****************************************************************************
* functions body
*****************************************************************************/
int fts_read(u8 *cmd, u32 cmdlen, u8 *data, u32 datalen)
{
int ret = 0;
int i = 0;
struct fts_ts_data *ts_data = fts_data;
struct i2c_msg msg_list[2];
struct i2c_msg *msg = NULL;
int msg_num = 0;
/* must have data when read */
if (!ts_data || !ts_data->client || !data || !datalen
|| (datalen >= I2C_BUF_LENGTH) || (cmdlen >= I2C_BUF_LENGTH)) {
FTS_ERROR("fts_data/client/cmdlen(%d)/data/datalen(%d) is invalid",
cmdlen, datalen);
return -EINVAL;
}
mutex_lock(&ts_data->bus_lock);
memset(&msg_list[0], 0, sizeof(struct i2c_msg));
memset(&msg_list[1], 0, sizeof(struct i2c_msg));
memcpy(ts_data->bus_tx_buf, cmd, cmdlen);
msg_list[0].addr = ts_data->client->addr;
msg_list[0].flags = 0;
msg_list[0].len = cmdlen;
msg_list[0].buf = ts_data->bus_tx_buf;
msg_list[1].addr = ts_data->client->addr;
msg_list[1].flags = I2C_M_RD;
msg_list[1].len = datalen;
msg_list[1].buf = ts_data->bus_rx_buf;
if (cmd && cmdlen) {
msg = &msg_list[0];
msg_num = 2;
} else {
msg = &msg_list[1];
msg_num = 1;
}
for (i = 0; i < I2C_RETRY_NUMBER; i++) {
ret = i2c_transfer(ts_data->client->adapter, msg, msg_num);
if (ret < 0) {
FTS_ERROR("i2c_transfer(read) fail,ret:%d", ret);
} else {
memcpy(data, ts_data->bus_rx_buf, datalen);
break;
}
}
mutex_unlock(&ts_data->bus_lock);
return ret;
}
int fts_write(u8 *writebuf, u32 writelen)
{
int ret = 0;
int i = 0;
struct fts_ts_data *ts_data = fts_data;
struct i2c_msg msgs;
if (!ts_data || !ts_data->client || !writebuf || !writelen
|| (writelen >= I2C_BUF_LENGTH)) {
FTS_ERROR("fts_data/client/data/datalen(%d) is invalid", writelen);
return -EINVAL;
}
mutex_lock(&ts_data->bus_lock);
memset(&msgs, 0, sizeof(struct i2c_msg));
memcpy(ts_data->bus_tx_buf, writebuf, writelen);
msgs.addr = ts_data->client->addr;
msgs.flags = 0;
msgs.len = writelen;
msgs.buf = ts_data->bus_tx_buf;
for (i = 0; i < I2C_RETRY_NUMBER; i++) {
ret = i2c_transfer(ts_data->client->adapter, &msgs, 1);
if (ret < 0) {
FTS_ERROR("i2c_transfer(write) fail,ret:%d", ret);
} else {
break;
}
}
mutex_unlock(&ts_data->bus_lock);
return ret;
}
int fts_read_reg(u8 addr, u8 *value)
{
return fts_read(&addr, 1, value, 1);
}
int fts_write_reg(u8 addr, u8 value)
{
u8 buf[2] = { 0 };
buf[0] = addr;
buf[1] = value;
return fts_write(buf, sizeof(buf));
}
int fts_bus_init(struct fts_ts_data *ts_data)
{
FTS_FUNC_ENTER();
ts_data->bus_tx_buf = kzalloc(I2C_BUF_LENGTH, GFP_KERNEL);
if (NULL == ts_data->bus_tx_buf) {
FTS_ERROR("failed to allocate memory for bus_tx_buf");
return -ENOMEM;
}
ts_data->bus_rx_buf = kzalloc(I2C_BUF_LENGTH, GFP_KERNEL);
if (NULL == ts_data->bus_rx_buf) {
FTS_ERROR("failed to allocate memory for bus_rx_buf");
return -ENOMEM;
}
FTS_FUNC_EXIT();
return 0;
}
int fts_bus_exit(struct fts_ts_data *ts_data)
{
FTS_FUNC_ENTER();
if (ts_data && ts_data->bus_tx_buf) {
kfree(ts_data->bus_tx_buf);
ts_data->bus_tx_buf = NULL;
}
if (ts_data && ts_data->bus_rx_buf) {
kfree(ts_data->bus_rx_buf);
ts_data->bus_rx_buf = NULL;
}
FTS_FUNC_EXIT();
return 0;
}

135
drivers/input/touchscreen/focaltech_touch_ft5436/focaltech_point_report_check.c Normal file
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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_point_report_check.c
*
* Author: Focaltech Driver Team
*
* Created: 2016-11-16
*
* Abstract: point report check function
*
* Version: v1.0
*
* Revision History:
*
*****************************************************************************/
/*****************************************************************************
* Included header files
*****************************************************************************/
#include "focaltech_core.h"
#if FTS_POINT_REPORT_CHECK_EN
/*****************************************************************************
* Private constant and macro definitions using #define
*****************************************************************************/
#define POINT_REPORT_CHECK_WAIT_TIME 200 /* unit:ms */
/*****************************************************************************
* functions body
*****************************************************************************/
/*****************************************************************************
* Name: fts_prc_func
* Brief: fts point report check work func, report whole up of points
* Input:
* Output:
* Return:
*****************************************************************************/
static void fts_prc_func(struct work_struct *work)
{
struct fts_ts_data *ts_data = container_of(work,
struct fts_ts_data, prc_work.work);
struct input_dev *input_dev = ts_data->input_dev;
#if FTS_MT_PROTOCOL_B_EN
u32 finger_count = 0;
u32 max_touches = fts_data->pdata->max_touch_number;
#endif
FTS_FUNC_ENTER();
mutex_lock(&ts_data->report_mutex);
#if FTS_MT_PROTOCOL_B_EN
for (finger_count = 0; finger_count < max_touches; finger_count++) {
input_mt_slot(input_dev, finger_count);
input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, false);
}
#else
input_mt_sync(input_dev);
#endif
input_report_key(input_dev, BTN_TOUCH, 0);
input_sync(input_dev);
mutex_unlock(&ts_data->report_mutex);
FTS_FUNC_EXIT();
}
/*****************************************************************************
* Name: fts_prc_queue_work
* Brief: fts point report check queue work, call it when interrupt comes
* Input:
* Output:
* Return:
*****************************************************************************/
void fts_prc_queue_work(struct fts_ts_data *ts_data)
{
cancel_delayed_work_sync(&ts_data->prc_work);
queue_delayed_work(ts_data->ts_workqueue, &ts_data->prc_work,
msecs_to_jiffies(POINT_REPORT_CHECK_WAIT_TIME));
}
/*****************************************************************************
* Name: fts_point_report_check_init
* Brief:
* Input:
* Output:
* Return: < 0: Fail to create esd check queue
*****************************************************************************/
int fts_point_report_check_init(struct fts_ts_data *ts_data)
{
FTS_FUNC_ENTER();
if (ts_data->ts_workqueue) {
INIT_DELAYED_WORK(&ts_data->prc_work, fts_prc_func);
} else {
FTS_ERROR("fts workqueue is NULL, can't run point report check function");
return -EINVAL;
}
FTS_FUNC_EXIT();
return 0;
}
/*****************************************************************************
* Name: fts_point_report_check_exit
* Brief:
* Input:
* Output:
* Return:
*****************************************************************************/
int fts_point_report_check_exit(struct fts_ts_data *ts_data)
{
FTS_FUNC_ENTER();
FTS_FUNC_EXIT();
return 0;
}
#endif /* FTS_POINT_REPORT_CHECK_EN */

3223
drivers/input/touchscreen/focaltech_touch_ft5436/include/firmware/fw_sample.h Normal file
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