SDK_RK3288/kernel/drivers/input/touchscreen/rockchip_gslX680_firefly.c

/*
 * drivers/input/touchscreen/gslX680.c
 *
 * Copyright (c) 2012 Shanghai Basewin
 *	Guan Yuwei<guanyuwei@basewin.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.
 */


#include <linux/module.h>
#include <linux/delay.h>
#include <linux/hrtimer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/async.h>
#include <linux/irq.h>
#include <linux/workqueue.h>
#include <linux/proc_fs.h>
#include <linux/input/mt.h>
//#include <linux/regulator/act8846.h>
//#include <linux/mfd/tps65910.h>

#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include "tp_suspend.h"

#include "rockchip_gslX680_firefly.h"
    

//#define GSL_DEBUG
#define GSL_MONITOR
#define REPORT_DATA_ANDROID_4_0
//#define HAVE_TOUCH_KEY
#define SLEEP_CLEAR_POINT
//#define FILTER_POINT
#ifdef FILTER_POINT
#define FILTER_MAX	9
#endif

#define GSLX680_I2C_NAME 	"gslX680"

#define GSL_DATA_REG		0x80
#define GSL_STATUS_REG		0xe0
#define GSL_PAGE_REG		0xf0

#define PRESS_MAX    			255
#define MAX_FINGERS 		10
#define MAX_CONTACTS 		10
#define DMA_TRANS_LEN		0x20

#define GPIO_LOW	0
#define GPIO_HIGH	1

//#define TPD_PROC_DEBUG
#ifdef TPD_PROC_DEBUG
//#include <linux/proc_fs.h>
#include <asm/uaccess.h>
static struct proc_dir_entry *gsl_config_proc = NULL;
#define GSL_CONFIG_PROC_FILE "gsl_config"
#define CONFIG_LEN 31
static char gsl_read[CONFIG_LEN];
static u8 gsl_data_proc[8] = {0};
static u8 gsl_proc_flag = 0;
#endif
#ifdef GSL_MONITOR
static struct delayed_work gsl_monitor_work;
static struct workqueue_struct *gsl_monitor_workqueue = NULL;
static char int_1st[4] = {0};
static char int_2nd[4] = {0};
static char dac_counter = 0;
static char b0_counter = 0;
static char i2c_lock_flag = 0;
#endif 
#ifdef GSLX680_COMPATIBLE
static char chip_type = 0x36;
#endif

static char is_noid_version = 0;
static struct i2c_client *gsl_client = NULL;
#define I2C_SPEED (200*1000)

#ifdef HAVE_TOUCH_KEY
static u16 key = 0;
static int key_state_flag = 0;
struct key_data {
	u16 key;
	u16 x_min;
	u16 x_max;
	u16 y_min;
	u16 y_max;	
};

const u16 key_array[]={
                                      KEY_BACK,
                                      KEY_HOME,
                                      KEY_MENU,
                                      KEY_SEARCH,
                                     }; 
#define MAX_KEY_NUM     (sizeof(key_array)/sizeof(key_array[0]))

struct key_data gsl_key_data[MAX_KEY_NUM] = {
	{KEY_BACK, 2048, 2048, 2048, 2048},
	{KEY_HOME, 2048, 2048, 2048, 2048},	
	{KEY_MENU, 2048, 2048, 2048, 2048},
	{KEY_SEARCH, 2048, 2048, 2048, 2048},
};
#endif

struct gsl_ts_data {
	u8 x_index;
	u8 y_index;
	u8 z_index;
	u8 id_index;
	u8 touch_index;
	u8 data_reg;
	u8 status_reg;
	u8 data_size;
	u8 touch_bytes;
	u8 update_data;
	u8 touch_meta_data;
	u8 finger_size;
};

static struct gsl_ts_data devices[] = {
	{
		.x_index = 6,
		.y_index = 4,
		.z_index = 5,
		.id_index = 7,
		.data_reg = GSL_DATA_REG,
		.status_reg = GSL_STATUS_REG,
		.update_data = 0x4,
		.touch_bytes = 4,
		.touch_meta_data = 4,
		.finger_size = 70,
	},
};

struct gsl_ts {
	struct i2c_client *client;
	struct input_dev *input;
	struct work_struct work;
	struct workqueue_struct *wq;
	struct gsl_ts_data *dd;
	u8 *touch_data;
	u8 device_id;
	int irq;
	int irq_pin;
	int rst_pin;
	int rst_val;
	struct  tp_device  tp;
#if defined(CONFIG_HAS_EARLYSUSPEND)
	struct early_suspend early_suspend;
#endif
};

#ifdef GSL_DEBUG 
#define print_info(fmt, args...)   \
        do{                              \
                printk(fmt, ##args);     \
        }while(0)
#else
#define print_info(fmt, args...)
#endif


static u32 id_sign[MAX_CONTACTS+1] = {0};
static u8 id_state_flag[MAX_CONTACTS+1] = {0};
static u8 id_state_old_flag[MAX_CONTACTS+1] = {0};
static u16 x_old[MAX_CONTACTS+1] = {0};
static u16 y_old[MAX_CONTACTS+1] = {0};
static u16 x_new = 0;
static u16 y_new = 0;
static struct gsl_ts *gts;




static int gslX680_shutdown_low(void)
{
	if (gpio_is_valid(gts->rst_pin)) {
		gpio_set_value(gts->rst_pin,GPIO_LOW);
	}
	return 0;
}

static int gslX680_shutdown_high(void)
{
	if (gpio_is_valid(gts->rst_pin)) {
		gpio_set_value(gts->rst_pin,GPIO_HIGH);
	}
	return 0;
}

static inline u16 join_bytes(u8 a, u8 b)
{
	u16 ab = 0;
	ab = ab | a;
	ab = ab << 8 | b;
	return ab;
}

static u32 gsl_read_interface(struct i2c_client *client, u8 reg, u8 *buf, u32 num)
{
	struct i2c_msg xfer_msg[2];

	xfer_msg[0].addr = client->addr;
	xfer_msg[0].len = 1;
	xfer_msg[0].flags = client->flags & I2C_M_TEN;
	xfer_msg[0].buf = &reg;
	xfer_msg[0].scl_rate = I2C_SPEED; //RK3066 RK2926 I2C<32><43><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

	xfer_msg[1].addr = client->addr;
	xfer_msg[1].len = num;
	xfer_msg[1].flags |= I2C_M_RD;
	xfer_msg[1].buf = buf;
	xfer_msg[1].scl_rate = I2C_SPEED; //RK3066 RK2926 I2C<32><43><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

	if (reg < 0x80) {
		i2c_transfer(client->adapter, xfer_msg, ARRAY_SIZE(xfer_msg));
		msleep(5);
	}

	return i2c_transfer(client->adapter, xfer_msg, ARRAY_SIZE(xfer_msg)) == ARRAY_SIZE(xfer_msg) ? 0 : -EFAULT;
}

static u32 gsl_write_interface(struct i2c_client *client, const u8 reg, u8 *buf, u32 num)
{
	struct i2c_msg xfer_msg[1];

	buf[0] = reg;

	xfer_msg[0].addr = client->addr;
	xfer_msg[0].len = num + 1;
	xfer_msg[0].flags = client->flags & I2C_M_TEN;
	xfer_msg[0].buf = buf;
	xfer_msg[0].scl_rate = I2C_SPEED; //RK3066 RK2926 I2C<32><43><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

	return i2c_transfer(client->adapter, xfer_msg, 1) == 1 ? 0 : -EFAULT;
}

static int gsl_ts_write(struct i2c_client *client, u8 addr, u8 *pdata, int datalen)
{
	int ret = 0;
	u8 tmp_buf[128];
	unsigned int bytelen = 0;
	if (datalen > 125)
	{
		printk("%s too big datalen = %d!\n", __func__, datalen);
		return -1;
	}
	
	tmp_buf[0] = addr;
	bytelen++;
	
	if (datalen != 0 && pdata != NULL)
	{
		memcpy(&tmp_buf[bytelen], pdata, datalen);
		bytelen += datalen;
	}
	
	ret = i2c_master_send(client, tmp_buf, bytelen);
	return ret;
}

static int gsl_ts_read(struct i2c_client *client, u8 addr, u8 *pdata, unsigned int datalen)
{
	int ret = 0;

	if (datalen > 126)
	{
		printk("%s too big datalen = %d!\n", __func__, datalen);
		return -1;
	}

	ret = gsl_ts_write(client, addr, NULL, 0);
	if (ret < 0)
	{
		printk("%s set data address fail! ret=%d-%#x\n", __func__, ret, ret);
		return ret;
	}
	
	return i2c_master_recv(client, pdata, datalen);
}

#ifdef GSLX680_COMPATIBLE
static void judge_chip_type(struct i2c_client *client)
{
	u8 read_buf[4]  = {0, 0, 0, 0};

	printk("org chip_type=%x\n", chip_type);
	msleep(50);
	gsl_ts_read(client,0xfc, read_buf, sizeof(read_buf));
	
	if(read_buf[2] != 0x36 && read_buf[2] != 0x88)
	{
		msleep(50);
		gsl_ts_read(client,0xfc, read_buf, sizeof(read_buf));
	}
	
	if(0x36 == read_buf[2])
	{
		chip_type = 0x36;
		is_noid_version = 1;
	}
	else
	{
		chip_type = 0x88;
		is_noid_version = 0;
	}

	printk("chip_type=%x, reg=%x\n", chip_type, read_buf[2]);
}
#endif

static __inline__ void fw2buf(u8 *buf, const u32 *fw)
{
	u32 *u32_buf = (int *)buf;
	*u32_buf = *fw;
}

static void gsl_load_fw(struct i2c_client *client)
{
	u8 buf[DMA_TRANS_LEN*4 + 1] = {0};
	u8 send_flag = 1;
	u8 *cur = buf + 1;
	u32 source_line = 0;
	u32 source_len;
	const struct fw_data *ptr_fw;
	
	printk("=============gsl_load_fw start==============\n");

#ifdef GSLX680_COMPATIBLE
	if(0x36 == chip_type)
	{
	
	printk("--------------3680B-----------------------\n");
		ptr_fw = GSL3680B_FW;
		source_len = ARRAY_SIZE(GSL3680B_FW);
	}
	else
#endif
	{
	
	printk("--------------3680A-----------------------\n");
		ptr_fw = GSL3680A_FW;
		source_len = ARRAY_SIZE(GSL3680A_FW);
	}

	for (source_line = 0; source_line < source_len; source_line++) 
	{
		/* init page trans, set the page val */
		if (GSL_PAGE_REG == ptr_fw[source_line].offset)
		{
			fw2buf(cur, &ptr_fw[source_line].val);
			gsl_write_interface(client, GSL_PAGE_REG, buf, 4);
			send_flag = 1;
		}
		else 
		{
			if (1 == send_flag % (DMA_TRANS_LEN < 0x20 ? DMA_TRANS_LEN : 0x20))
	    			buf[0] = (u8)ptr_fw[source_line].offset;

			fw2buf(cur, &ptr_fw[source_line].val);
			cur += 4;

			if (0 == send_flag % (DMA_TRANS_LEN < 0x20 ? DMA_TRANS_LEN : 0x20)) 
			{
	    			gsl_write_interface(client, buf[0], buf, cur - buf - 1);
	    			cur = buf + 1;
			}

			send_flag++;
		}
	}

	printk("=============gsl_load_fw end==============\n");

}


static int test_i2c(struct i2c_client *client)
{
	u8 read_buf = 0;
	u8 write_buf = 0x12;
	int ret, rc = 1;
	
	printk("%s-%d: Enter\n", __FUNCTION__, __LINE__);
	ret = gsl_ts_read( client, 0xf0, &read_buf, sizeof(read_buf) );
	if  (ret  < 0)  
    		rc --;
	else
		printk("I read reg 0xf0 is %x\n", read_buf);
	
	msleep(2);
	ret = gsl_ts_write(client, 0xf0, &write_buf, sizeof(write_buf));
	if(ret  >=  0 )
		printk("I write reg 0xf0 0x12\n");
	
	msleep(2);
	ret = gsl_ts_read( client, 0xf0, &read_buf, sizeof(read_buf) );
	if(ret <  0 )
		rc --;
	else
		printk("I read reg 0xf0 is 0x%x\n", read_buf);

	printk("%s-%d: Exit\n", __FUNCTION__, __LINE__);
	return rc;
}


static void startup_chip(struct i2c_client *client)
{
	u8 tmp = 0x00;
#ifdef GSL_NOID_VERSION
	if(is_noid_version)
	 {
	 printk("----------3680B---------\n");
	     gsl_DataInit(gsl_config_data_id_3680B);
	 }
	else
	 {
	 
	 printk("----------3680A---------\n");
		 gsl_DataInit(gsl_config_data_id_3680A);
	 }
#endif
	gsl_ts_write(client, 0xe0, &tmp, 1);
	msleep(10);	
}

static void reset_chip(struct i2c_client *client)
{
	u8 tmp = 0x88;
	u8 buf[4] = {0x00};
	
	gsl_ts_write(client, 0xe0, &tmp, sizeof(tmp));
	msleep(20);
	tmp = 0x04;
	gsl_ts_write(client, 0xe4, &tmp, sizeof(tmp));
	msleep(10);
	gsl_ts_write(client, 0xbc, buf, sizeof(buf));
	msleep(10);
}

static void clr_reg(struct i2c_client *client)
{
	u8 write_buf[4]	= {0};

	write_buf[0] = 0x88;
	gsl_ts_write(client, 0xe0, &write_buf[0], 1); 	
	msleep(20);
	write_buf[0] = 0x03;
	gsl_ts_write(client, 0x80, &write_buf[0], 1); 	
	msleep(5);
	write_buf[0] = 0x04;
	gsl_ts_write(client, 0xe4, &write_buf[0], 1); 	
	msleep(5);
	write_buf[0] = 0x00;
	gsl_ts_write(client, 0xe0, &write_buf[0], 1); 	
	msleep(20);
}

static void init_chip(struct i2c_client *client)
{
	int rc;
	
	gslX680_shutdown_low();	
	msleep(20); 	
	gslX680_shutdown_high();	
	msleep(20); 		
	rc = test_i2c(client);
	if(rc < 0)
	{
		printk("------gslX680 test_i2c error------\n");	
		return;
	}	
	clr_reg(client);
	reset_chip(client);
	gsl_load_fw(client);			
	startup_chip(client);	
	reset_chip(client);	
	startup_chip(client);	
}

static void check_mem_data(struct i2c_client *client)
{
	u8 read_buf[4]  = {0};
	
	msleep(30);
	gsl_ts_read(client,0xb0, read_buf, sizeof(read_buf));
	
	if (read_buf[3] != 0x5a || read_buf[2] != 0x5a || read_buf[1] != 0x5a || read_buf[0] != 0x5a)
	{
		printk("#########check mem read 0xb0 = %x %x %x %x #########\n", read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
		init_chip(client);
	}
}
#ifdef TPD_PROC_DEBUG
static int char_to_int(char ch)
{
    if(ch>='0' && ch<='9')
        return (ch-'0');
    else
        return (ch-'a'+10);
}

static int gsl_config_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data)
{
	char *ptr = page;
	char temp_data[5] = {0};
	unsigned int tmp=0;
	
	if('v'==gsl_read[0]&&'s'==gsl_read[1])
	{
#ifdef GSL_NOID_VERSION
		tmp=gsl_version_id();
#else 
		tmp=0x20121215;
#endif
		ptr += sprintf(ptr,"version:%x\n",tmp);
	}
	else if('r'==gsl_read[0]&&'e'==gsl_read[1])
	{
		if('i'==gsl_read[3])
		{
#ifdef GSL_NOID_VERSION 
			tmp=(gsl_data_proc[5]<<8) | gsl_data_proc[4];
			ptr +=sprintf(ptr,"gsl_config_data_id[%d] = ",tmp);
			if(tmp>=0&&tmp<ARRAY_SIZE(gsl_config_data_id_3680B))
			{
					ptr +=sprintf(ptr,"%d\n",gsl_config_data_id_3680B[tmp]); 
			}
#endif
		}
		else 
		{
			gsl_ts_write(gsl_client,0Xf0,&gsl_data_proc[4],4);
			if(gsl_data_proc[0] < 0x80)
				gsl_ts_read(gsl_client,gsl_data_proc[0],temp_data,4);
			gsl_ts_read(gsl_client,gsl_data_proc[0],temp_data,4);

			ptr +=sprintf(ptr,"offset : {0x%02x,0x",gsl_data_proc[0]);
			ptr +=sprintf(ptr,"%02x",temp_data[3]);
			ptr +=sprintf(ptr,"%02x",temp_data[2]);
			ptr +=sprintf(ptr,"%02x",temp_data[1]);
			ptr +=sprintf(ptr,"%02x};\n",temp_data[0]);
		}
	}
	*eof = 1;
	return (ptr - page);
}
static int gsl_config_write_proc(struct file *file, const char *buffer, unsigned long count, void *data)
{
	u8 buf[8] = {0};
	char temp_buf[CONFIG_LEN];
	char *path_buf;
	int tmp = 0;
	int tmp1 = 0;
	print_info("[tp-gsl][%s] \n",__func__);
	if(count > 512)
	{
		print_info("size not match [%d:%ld]\n", CONFIG_LEN, count);
        return -EFAULT;
	}
	path_buf=devm_kzalloc(&gts->client->dev,count,GFP_KERNEL);
	if(!path_buf)
	{
		printk("alloc path_buf memory error \n");
	}
	if(copy_from_user(path_buf, buffer, count))
	{
		print_info("copy from user fail\n");
		goto exit_write_proc_out;
	}
	memcpy(temp_buf,path_buf,(count<CONFIG_LEN?count:CONFIG_LEN));
	print_info("[tp-gsl][%s][%s]\n",__func__,temp_buf);
	
	buf[3]=char_to_int(temp_buf[14])<<4 | char_to_int(temp_buf[15]);	
	buf[2]=char_to_int(temp_buf[16])<<4 | char_to_int(temp_buf[17]);
	buf[1]=char_to_int(temp_buf[18])<<4 | char_to_int(temp_buf[19]);
	buf[0]=char_to_int(temp_buf[20])<<4 | char_to_int(temp_buf[21]);
	
	buf[7]=char_to_int(temp_buf[5])<<4 | char_to_int(temp_buf[6]);
	buf[6]=char_to_int(temp_buf[7])<<4 | char_to_int(temp_buf[8]);
	buf[5]=char_to_int(temp_buf[9])<<4 | char_to_int(temp_buf[10]);
	buf[4]=char_to_int(temp_buf[11])<<4 | char_to_int(temp_buf[12]);
	if('v'==temp_buf[0]&& 's'==temp_buf[1])//version //vs
	{
		memcpy(gsl_read,temp_buf,4);
		printk("gsl version\n");
	}
	else if('s'==temp_buf[0]&& 't'==temp_buf[1])//start //st
	{
		gsl_proc_flag = 1;
		reset_chip(gsl_client);
	}
	else if('e'==temp_buf[0]&&'n'==temp_buf[1])//end //en
	{
		msleep(20);
		reset_chip(gsl_client);
		startup_chip(gsl_client);
		gsl_proc_flag = 0;
	}
	else if('r'==temp_buf[0]&&'e'==temp_buf[1])//read buf //
	{
		memcpy(gsl_read,temp_buf,4);
		memcpy(gsl_data_proc,buf,8);
	}
	else if('w'==temp_buf[0]&&'r'==temp_buf[1])//write buf
	{
		gsl_ts_write(gsl_client,buf[4],buf,4);
	}
#ifdef GSL_NOID_VERSION
	else if('i'==temp_buf[0]&&'d'==temp_buf[1])//write id config //
	{
		tmp1=(buf[7]<<24)|(buf[6]<<16)|(buf[5]<<8)|buf[4];
		tmp=(buf[3]<<24)|(buf[2]<<16)|(buf[1]<<8)|buf[0];
		if(tmp1>=0 && tmp1<ARRAY_SIZE(gsl_config_data_id_3680B))
		{
			gsl_config_data_id_3680B[tmp1] = tmp;
		}
	}
#endif
exit_write_proc_out:
	devm_kfree(&client->dev, path_buf);
	return count;
}
#endif

#ifdef FILTER_POINT
static void filter_point(u16 x, u16 y , u8 id)
{
	u16 x_err =0;
	u16 y_err =0;
	u16 filter_step_x = 0, filter_step_y = 0;
	
	id_sign[id] = id_sign[id] + 1;
	if(id_sign[id] == 1)
	{
		x_old[id] = x;
		y_old[id] = y;
	}
	
	x_err = x > x_old[id] ? (x -x_old[id]) : (x_old[id] - x);
	y_err = y > y_old[id] ? (y -y_old[id]) : (y_old[id] - y);

	if( (x_err > FILTER_MAX && y_err > FILTER_MAX/3) || (x_err > FILTER_MAX/3 && y_err > FILTER_MAX) )
	{
		filter_step_x = x_err;
		filter_step_y = y_err;
	}
	else
	{
		if(x_err > FILTER_MAX)
			filter_step_x = x_err; 
		if(y_err> FILTER_MAX)
			filter_step_y = y_err;
	}

	if(x_err <= 2*FILTER_MAX && y_err <= 2*FILTER_MAX)
	{
		filter_step_x >>= 2; 
		filter_step_y >>= 2;
	}
	else if(x_err <= 3*FILTER_MAX && y_err <= 3*FILTER_MAX)
	{
		filter_step_x >>= 1; 
		filter_step_y >>= 1;
	}	
	else if(x_err <= 4*FILTER_MAX && y_err <= 4*FILTER_MAX)
	{
		filter_step_x = filter_step_x*3/4; 
		filter_step_y = filter_step_y*3/4;
	}	
	
	x_new = x > x_old[id] ? (x_old[id] + filter_step_x) : (x_old[id] - filter_step_x);
	y_new = y > y_old[id] ? (y_old[id] + filter_step_y) : (y_old[id] - filter_step_y);

	x_old[id] = x_new;
	y_old[id] = y_new;
}
#else
static void record_point(u16 x, u16 y , u8 id)
{
	u16 x_err =0;
	u16 y_err =0;

	id_sign[id]=id_sign[id]+1;
	
	if(id_sign[id]==1){
		x_old[id]=x;
		y_old[id]=y;
	}

	x = (x_old[id] + x)/2;
	y = (y_old[id] + y)/2;
		
	if(x>x_old[id]){
		x_err=x -x_old[id];
	}
	else{
		x_err=x_old[id]-x;
	}

	if(y>y_old[id]){
		y_err=y -y_old[id];
	}
	else{
		y_err=y_old[id]-y;
	}

	if( (x_err > 3 && y_err > 1) || (x_err > 1 && y_err > 3) ){
		x_new = x;     x_old[id] = x;
		y_new = y;     y_old[id] = y;
	}
	else{
		if(x_err > 3){
			x_new = x;     x_old[id] = x;
		}
		else
			x_new = x_old[id];
		if(y_err> 3){
			y_new = y;     y_old[id] = y;
		}
		else
			y_new = y_old[id];
	}

	if(id_sign[id]==1){
		x_new= x_old[id];
		y_new= y_old[id];
	}
	
}
#endif

#ifdef HAVE_TOUCH_KEY
static void report_key(struct gsl_ts *ts, u16 x, u16 y)
{
	u16 i = 0;

	for(i = 0; i < MAX_KEY_NUM; i++) 
	{
		if((gsl_key_data[i].x_min < x) && (x < gsl_key_data[i].x_max)&&(gsl_key_data[i].y_min < y) && (y < gsl_key_data[i].y_max))
		{
			key = gsl_key_data[i].key;	
			input_report_key(ts->input, key, 1);
			input_sync(ts->input); 		
			key_state_flag = 1;
			break;
		}
	}
}
#endif

static void report_data(struct gsl_ts *ts, u16 x, u16 y, u8 pressure, u8 id)
{
	swap(x, y);

	print_info("#####id=%d,x=%d,y=%d######\n",id,x,y);

	if(x > SCREEN_MAX_X || y > SCREEN_MAX_Y)
	{
	#ifdef HAVE_TOUCH_KEY
		report_key(ts,x,y);
	#endif
		return;
	}
#ifdef CONFIG_TCHIP_MACH_BACK_MUSIC
	y = SCREEN_MAX_Y - y;
#endif
	
#ifdef REPORT_DATA_ANDROID_4_0
	input_mt_slot(ts->input, id);		
	input_report_abs(ts->input, ABS_MT_TRACKING_ID, id);
	input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, pressure);
	input_report_abs(ts->input, ABS_MT_POSITION_X, x);
	input_report_abs(ts->input, ABS_MT_POSITION_Y, y);	
	input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 1);
#else
	input_report_abs(ts->input, ABS_MT_TRACKING_ID, id);
	input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, pressure);
	input_report_abs(ts->input, ABS_MT_POSITION_X,x);
	input_report_abs(ts->input, ABS_MT_POSITION_Y, y);
	input_report_abs(ts->input, ABS_MT_WIDTH_MAJOR, 1);
	input_mt_sync(ts->input);
#endif
}

static void gslX680_ts_worker(struct work_struct *work)
{
	int rc, i;
	u8 id, touches, read_buf[4] = {0};
	u16 x, y;

#ifdef GSL_NOID_VERSION
	u32 tmp1;
	u8 buf[4] = {0};
	struct gsl_touch_info cinfo = {0};
#endif

	struct gsl_ts *ts = container_of(work, struct gsl_ts,work);

	print_info("=====gslX680_ts_worker=====\n");				 

#ifdef GSL_MONITOR
	if(i2c_lock_flag != 0)
		goto i2c_lock_schedule;
	else
		i2c_lock_flag = 1;
#endif


	
#ifdef TPD_PROC_DEBUG
	if(gsl_proc_flag == 1)
		goto schedule;
#endif

	rc = gsl_ts_read(ts->client, 0x80, ts->touch_data, ts->dd->data_size);
	if (rc < 0) 
	{
		dev_err(&ts->client->dev, "read failed\n");
		goto schedule;
	}
		
	touches = ts->touch_data[ts->dd->touch_index];
	print_info("-----touches: %d -----\n", touches);		
#ifdef GSL_NOID_VERSION
	cinfo.finger_num = touches;
	print_info("tp-gsl  finger_num = %d\n",cinfo.finger_num);
	for(i = 0; i < (touches < MAX_CONTACTS ? touches : MAX_CONTACTS); i ++)
	{
		cinfo.x[i] = join_bytes( ( ts->touch_data[ts->dd->x_index  + 4 * i + 1] & 0xf),
				ts->touch_data[ts->dd->x_index + 4 * i]);
		cinfo.y[i] = join_bytes(ts->touch_data[ts->dd->y_index + 4 * i + 1],
				ts->touch_data[ts->dd->y_index + 4 * i ]);
		print_info("tp-gsl  x = %d y = %d \n",cinfo.x[i],cinfo.y[i]);
	}
	cinfo.finger_num=(ts->touch_data[3]<<24)|(ts->touch_data[2]<<16)
		|(ts->touch_data[1]<<8)|(ts->touch_data[0]);
	gsl_alg_id_main(&cinfo);
	tmp1=gsl_mask_tiaoping();
	print_info("[tp-gsl] tmp1=%x\n",tmp1);
	if(tmp1>0&&tmp1<0xffffffff)
	{
		buf[0]=0xa;buf[1]=0;buf[2]=0;buf[3]=0;
		gsl_ts_write(ts->client,0xf0,buf,4);
		buf[0]=(u8)(tmp1 & 0xff);
		buf[1]=(u8)((tmp1>>8) & 0xff);
		buf[2]=(u8)((tmp1>>16) & 0xff);
		buf[3]=(u8)((tmp1>>24) & 0xff);
		print_info("tmp1=%08x,buf[0]=%02x,buf[1]=%02x,buf[2]=%02x,buf[3]=%02x\n",
			tmp1,buf[0],buf[1],buf[2],buf[3]);
		gsl_ts_write(ts->client,0x8,buf,4);
	}
	touches = cinfo.finger_num;
#endif
	
	for(i = 1; i <= MAX_CONTACTS; i ++)
	{
		if(touches == 0)
			id_sign[i] = 0;	
		id_state_flag[i] = 0;
	}
	for(i= 0;i < (touches > MAX_FINGERS ? MAX_FINGERS : touches);i ++)
	{
	#ifdef GSL_NOID_VERSION
		id = cinfo.id[i];
		x =  cinfo.x[i];
		y =  cinfo.y[i];	
	#else
		x = join_bytes( ( ts->touch_data[ts->dd->x_index  + 4 * i + 1] & 0xf),
				ts->touch_data[ts->dd->x_index + 4 * i]);
		y = join_bytes(ts->touch_data[ts->dd->y_index + 4 * i + 1],
				ts->touch_data[ts->dd->y_index + 4 * i ]);
		id = ts->touch_data[ts->dd->id_index + 4 * i] >> 4;
	#endif

		if(1 <=id && id <= MAX_CONTACTS)
		{
		#ifdef FILTER_POINT
			filter_point(x, y ,id);
		#else
			record_point(x, y , id);
		#endif
			report_data(ts, x_new, y_new, 10, id);		
			id_state_flag[id] = 1;
		}
	}
	for(i = 1; i <= MAX_CONTACTS; i ++)
	{	
		if( (0 == touches) || ((0 != id_state_old_flag[i]) && (0 == id_state_flag[i])) )
		{
		#ifdef REPORT_DATA_ANDROID_4_0
			input_mt_slot(ts->input, i);
			input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
			input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
		#endif
			id_sign[i]=0;
		}
		id_state_old_flag[i] = id_state_flag[i];
	}
#ifndef REPORT_DATA_ANDROID_4_0
	if(0 == touches)
	{	
		input_mt_sync(ts->input);
	#ifdef HAVE_TOUCH_KEY
		if(key_state_flag)
		{
        		input_report_key(ts->input, key, 0);
			input_sync(ts->input);
			key_state_flag = 0;
		}
	#endif			
	}
#endif
	input_sync(ts->input);
	
schedule:
#ifdef GSL_MONITOR
	i2c_lock_flag = 0;
i2c_lock_schedule:
#endif
	enable_irq(ts->irq);
		
}
extern void regulator_ctrl_vcc_tp(bool on);
#ifdef GSL_MONITOR
static void gsl_monitor_worker(struct work_struct *work)
{
	char write_buf[4] = {0};
	char read_buf[4]  = {0};
	char init_chip_flag = 0;
	
	print_info("----------------gsl_monitor_worker-----------------\n");	

	if(i2c_lock_flag != 0)
		goto queue_monitor_work;
	else
		i2c_lock_flag = 1;
	
	gsl_ts_read(gsl_client, 0xb0, read_buf, 4);
	if(read_buf[3] != 0x5a || read_buf[2] != 0x5a || read_buf[1] != 0x5a || read_buf[0] != 0x5a)
		b0_counter ++;
	else
		b0_counter = 0;

	if(b0_counter > 1)
	{
		printk("======read 0xb0: %x %x %x %x ======\n",read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
		init_chip_flag = 1;
		b0_counter = 0;
	}
	
	gsl_ts_read(gsl_client, 0xb4, read_buf, 4);	
	int_2nd[3] = int_1st[3];
	int_2nd[2] = int_1st[2];
	int_2nd[1] = int_1st[1];
	int_2nd[0] = int_1st[0];
	int_1st[3] = read_buf[3];
	int_1st[2] = read_buf[2];
	int_1st[1] = read_buf[1];
	int_1st[0] = read_buf[0];

	if(int_1st[3] == int_2nd[3] && int_1st[2] == int_2nd[2] &&int_1st[1] == int_2nd[1] && int_1st[0] == int_2nd[0]) 
	{
		printk("======int_1st: %x %x %x %x , int_2nd: %x %x %x %x ======\n",int_1st[3], int_1st[2], int_1st[1], int_1st[0], int_2nd[3], int_2nd[2],int_2nd[1],int_2nd[0]);
		init_chip_flag = 1;
	}
#if 0
	/*add-bc-detection-*/
	gsl_ts_read(gsl_client, 0xbc, read_buf, 4);
	if(read_buf[3] != 0x0 || read_buf[2] != 0x0 || read_buf[1] != 0x0 || read_buf[0] != 0x0)
	{
		
		printk("======read 0xbc: %x %x %x %x ======\n",read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
		init_chip_flag = 1;
	}
	/*add-bc-detection-*/
#endif
/*
	write_buf[3] = 0x01;
	write_buf[2] = 0xfe;
	write_buf[1] = 0x10;
	write_buf[0] = 0x00;
	gsl_ts_write(gsl_client, 0xf0, write_buf, 4);
	gsl_ts_read(gsl_client, 0x10, read_buf, 4);
	gsl_ts_read(gsl_client, 0x10, read_buf, 4);
	
	if(read_buf[3] < 30 && read_buf[2] < 30 && read_buf[1] < 30 && read_buf[0] < 30)
		dac_counter ++;
	else
		dac_counter = 0;
*/
	gsl_ts_read(gsl_client, 0xbc, read_buf, 4);
	
	if(read_buf[3] != 0 || read_buf[2] != 0 || read_buf[1] != 0 || read_buf[0] != 0)
		dac_counter ++;
	else
		dac_counter = 0;
	if(dac_counter > 1) 
	{
		printk("======read DAC1_0: %x %x %x %x ======\n",read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
		init_chip_flag = 1;
		dac_counter = 0;
	}

	if(init_chip_flag)
	{
		//\B6ϵ\E7
		//XXXXXXXXXXXXX power off function XXXXXXXXXXXXXX
//		regulator_ctrl_vcc_tp(false);
		/*rk30_mux_api_set("qingluo's test i2c2sda name", GPIO1_D4);*/
		/*rk30_mux_api_set("qingluo's test i2c2scl name", GPIO1_D5);*/
		/*gpio_set_value(RK30_PIN1_PD4, GPIO_LOW);*/
		/*gpio_set_value(RK30_PIN1_PD5, GPIO_LOW);*/
		//msleep(100);
		//print_info("***\n\nexception detected\n\n***\n");
		//\C9ϵ\E7
		//XXXXXXXXXXXXX power on function XXXXXXXXXXXXXX
	//msleep(100);
		/*gpio_set_value(RK30_PIN1_PD4, GPIO_HIGH);*/
		/*gpio_set_value(RK30_PIN1_PD5, GPIO_HIGH);*/
		/*rk30_mux_api_set("qingluo's test i2c2sda name", I2C2_SDA);*/
		/*rk30_mux_api_set("qingluo's test i2c2scl name", I2C2_SDA);*/
//		regulator_ctrl_vcc_tp(true);
		init_chip(gsl_client);
	}
	i2c_lock_flag = 0;
	
queue_monitor_work:	
	queue_delayed_work(gsl_monitor_workqueue, &gsl_monitor_work, 100);
}
#endif

static irqreturn_t gsl_ts_irq(int irq, void *dev_id)
{	
	struct gsl_ts *ts = dev_id;

	print_info("========gslX680 Interrupt=========\n");				 

	disable_irq_nosync(ts->irq);

	if (!work_pending(&ts->work)) 
	{
		queue_work(ts->wq, &ts->work);
	}
	
	return IRQ_HANDLED;

}

static int gslX680_ts_init(struct i2c_client *client, struct gsl_ts *ts)
{
	struct input_dev *input_device;
	int i, rc = 0;
	
	printk("[GSLX680] Enter %s\n", __func__);

	ts->dd = &devices[ts->device_id];

	if (ts->device_id == 0) {
		ts->dd->data_size = MAX_FINGERS * ts->dd->touch_bytes + ts->dd->touch_meta_data;
		ts->dd->touch_index = 0;
	}

	ts->touch_data = devm_kzalloc(&client->dev,ts->dd->data_size, GFP_KERNEL);
	if (!ts->touch_data) {
		pr_err("%s: Unable to allocate memory\n", __func__);
		return -ENOMEM;
	}

	input_device = input_allocate_device();
	if (!input_device) {
		rc = -ENOMEM;
		goto error_alloc_dev;
	}

	ts->input = input_device;
	input_device->name = GSLX680_I2C_NAME;
	input_device->id.bustype = BUS_I2C;
	input_device->dev.parent = &client->dev;
	input_set_drvdata(input_device, ts);

#ifdef REPORT_DATA_ANDROID_4_0
	__set_bit(EV_ABS, input_device->evbit);
	__set_bit(EV_KEY, input_device->evbit);
	__set_bit(EV_REP, input_device->evbit);
	__set_bit(INPUT_PROP_DIRECT, input_device->propbit);
	input_mt_init_slots(input_device, (MAX_CONTACTS+1), 0);
#else
	input_set_abs_params(input_device,ABS_MT_TRACKING_ID, 0, (MAX_CONTACTS+1), 0, 0);
	set_bit(EV_ABS, input_device->evbit);
	set_bit(EV_KEY, input_device->evbit);
	__set_bit(INPUT_PROP_DIRECT, input_device->propbit);
	input_device->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
#endif

#ifdef HAVE_TOUCH_KEY
	input_device->evbit[0] = BIT_MASK(EV_KEY);
	//input_device->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
	for (i = 0; i < MAX_KEY_NUM; i++)
		set_bit(key_array[i], input_device->keybit);
#endif

	set_bit(ABS_MT_POSITION_X, input_device->absbit);
	set_bit(ABS_MT_POSITION_Y, input_device->absbit);
	set_bit(ABS_MT_TOUCH_MAJOR, input_device->absbit);
	set_bit(ABS_MT_WIDTH_MAJOR, input_device->absbit);

	input_set_abs_params(input_device,ABS_MT_POSITION_X, 0, SCREEN_MAX_X, 0, 0);
	input_set_abs_params(input_device,ABS_MT_POSITION_Y, 0, SCREEN_MAX_Y, 0, 0);
	input_set_abs_params(input_device,ABS_MT_TOUCH_MAJOR, 0, PRESS_MAX, 0, 0);
	input_set_abs_params(input_device,ABS_MT_WIDTH_MAJOR, 0, 200, 0, 0);

	client->irq = gts->irq_pin;
	ts->irq = client->irq;
	//client->irq = ts->irq; //gts->irq_pin,

	ts->wq = create_singlethread_workqueue("kworkqueue_ts");
	if (!ts->wq) {
		dev_err(&client->dev, "Could not create workqueue\n");
		goto error_wq_create;
	}
	flush_workqueue(ts->wq);	

	INIT_WORK(&ts->work, gslX680_ts_worker);

	rc = input_register_device(input_device);
	if (rc)
		goto error_unreg_device;

	return 0;

error_unreg_device:
	destroy_workqueue(ts->wq);
error_wq_create:
	input_free_device(input_device);
error_alloc_dev:
	devm_kfree(&client->dev, ts->touch_data);
	return rc;
}


static int rk_ts_early_suspend(struct tp_device *tp_d)
{
	struct gsl_ts *ts=container_of(tp_d, struct gsl_ts, tp);
	int i;

  	printk("I'am in gsl_ts_suspend() start\n");

#ifdef GSL_MONITOR
	printk( "gsl_ts_suspend () : cancel gsl_monitor_work\n");
	cancel_delayed_work_sync(&gsl_monitor_work);
#endif
	
	disable_irq_nosync(ts->irq);	
		   
	gslX680_shutdown_low();

#ifdef SLEEP_CLEAR_POINT
	msleep(10); 		
	#ifdef REPORT_DATA_ANDROID_4_0
	for(i = 1; i <= MAX_CONTACTS ;i ++)
	{	
		input_mt_slot(ts->input, i);
		input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
	}
	#else	
	input_mt_sync(ts->input);
	#endif
	input_sync(ts->input);
	msleep(10); 	
	report_data(ts, 1, 1, 10, 1);		
	input_sync(ts->input);	
#endif	

	return 0;
}

static int rk_ts_early_resume(struct tp_device *tp_d)
{
	struct gsl_ts *ts=container_of(tp_d, struct gsl_ts, tp);
	int i;
	
  	printk("I'am in gsl_ts_resume() start\n");

	gslX680_shutdown_high();
	msleep(20); 	
	reset_chip(ts->client);
	startup_chip(ts->client);
	check_mem_data(ts->client);

#ifdef SLEEP_CLEAR_POINT
	#ifdef REPORT_DATA_ANDROID_4_0
	for(i =1;i<=MAX_CONTACTS;i++)
	{	
		input_mt_slot(ts->input, i);
		input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
	}
	#else	
	input_mt_sync(ts->input);
	#endif
	input_sync(ts->input);	
#endif
#ifdef GSL_MONITOR
	printk( "gsl_ts_resume () : queue gsl_monitor_work\n");
	queue_delayed_work(gsl_monitor_workqueue, &gsl_monitor_work, 300);
#endif	
	
	enable_irq(ts->irq);

	return 0;
}

#ifdef CONFIG_HAS_EARLYSUSPEND
static void gsl_ts_early_suspend(struct early_suspend *h)
{
	struct gsl_ts *ts = container_of(h, struct gsl_ts, early_suspend);
	printk("[GSLX680] Enter %s\n", __func__);
	gsl_ts_suspend(&ts->client->dev);
}

static void gsl_ts_late_resume(struct early_suspend *h)
{
	struct gsl_ts *ts = container_of(h, struct gsl_ts, early_suspend);
	printk("[GSLX680] Enter %s\n", __func__);
	gsl_ts_resume(&ts->client->dev);
}
#endif

static int gsl_ts_probe(struct i2c_client *client,
			const struct i2c_device_id *id)
{
	struct gsl_ts *ts;
	int rc;
	int timer = 3;
	int ret = 0;
	char buffer = 0;
	struct device_node *np = client->dev.of_node;
	enum of_gpio_flags rst_flags, pwr_flags;
	unsigned long irq_flags;

	printk("GSLX680 Enter %s\n", __func__);

	//gslX680_init(); 
	while(timer > 0)
	{
	  ret = i2c_master_recv(client,&buffer,1);
	  if(ret >= 0)
	  {
	  		printk("%s--%d, i2c_master_recv sucess\n", __func__, __LINE__);
	        break;
	  }
	  timer--;
	  msleep(100);
	}

	if(ret < 0)
	{
			printk("%s--%d, i2c_master_recv fail\n", __func__, __LINE__);
	 		return ret;
	}
	
	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
		dev_err(&client->dev, "I2C functionality not supported\n");
		return -ENODEV;
	}
 
	ts = devm_kzalloc(&client->dev,sizeof(*ts), GFP_KERNEL);
	if (!ts)
		return -ENOMEM;
	printk("==kzalloc success=\n");

	ts->client = client;
	i2c_set_clientdata(client, ts);
	ts->device_id = 0;//id->driver_data;

	ts->tp.tp_resume = rk_ts_early_resume;
	ts->tp.tp_suspend = rk_ts_early_suspend;
	tp_register_fb(&ts->tp);

	printk("%s-%d\n", __FUNCTION__, __LINE__);
	ts->irq_pin = of_get_named_gpio_flags(np, "touch-gpio", 0, (enum of_gpio_flags *)&irq_flags);
	ts->rst_pin = of_get_named_gpio_flags(np, "reset-gpio", 0, &rst_flags);
	if (gpio_is_valid(ts->rst_pin)) {
		ts->rst_val = (rst_flags & OF_GPIO_ACTIVE_LOW) ? 0 : 1;
		ret = devm_gpio_request_one(&client->dev, ts->rst_pin, (rst_flags & OF_GPIO_ACTIVE_LOW) ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW, "goodix reset pin");
		if (ret != 0) {
			dev_err(&client->dev, "goodix gpio_request error\n");
			return -EIO;
		}
		gpio_direction_output(ts->rst_pin, 0);
		gpio_set_value(ts->rst_pin,GPIO_HIGH);
		msleep(20);
	} else {
		dev_info(&client->dev, "reset pin invalid\n");
	}
	gts = ts;

	rc = gslX680_ts_init(client, ts);
	if (rc < 0) {
		dev_err(&client->dev, "GSLX680 init failed\n");
		goto error_mutex_destroy;
	}	

	gsl_client = client;
	
	printk("%s-%d\n", __FUNCTION__, __LINE__);
	   	
#ifdef GSLX680_COMPATIBLE
	judge_chip_type(ts->client);
#endif	
	init_chip(ts->client);
	check_mem_data(ts->client);
	

/*
	rc=  request_irq(client->irq, gsl_ts_irq, IRQF_TRIGGER_RISING, client->name, ts);
	if (rc < 0) {
		printk( "gsl_probe: request irq failed\n");
		goto error_req_irq_fail;
	}
*/
	ts->irq=gpio_to_irq(ts->irq_pin);		//If not defined in client
	if (ts->irq)
	{
		rc = devm_request_threaded_irq(&client->dev, ts->irq, NULL, gsl_ts_irq, irq_flags | IRQF_ONESHOT, client->name, ts);
		if (rc != 0) {
			printk(KERN_ALERT "Cannot allocate ts INT!ERRNO:%d\n", ret);
			goto error_req_irq_fail;
		}
	}

	/* create debug attribute */
	//rc = device_create_file(&ts->input->dev, &dev_attr_debug_enable);

#ifdef CONFIG_HAS_EARLYSUSPEND
	ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
	//ts->early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB + 1;
	ts->early_suspend.suspend = gsl_ts_early_suspend;
	ts->early_suspend.resume = gsl_ts_late_resume;
	register_early_suspend(&ts->early_suspend);
#endif

#ifdef TPD_PROC_DEBUG
    gsl_config_proc = create_proc_entry(GSL_CONFIG_PROC_FILE, 0666, NULL);
    printk("[tp-gsl] [%s] gsl_config_proc = %x \n",__func__,gsl_config_proc);
    if (gsl_config_proc == NULL)
    {
        print_info("create_proc_entry %s failed\n", GSL_CONFIG_PROC_FILE);
    }
    else
    {
        gsl_config_proc->read_proc = gsl_config_read_proc;
        gsl_config_proc->write_proc = gsl_config_write_proc;
    }
    gsl_proc_flag = 0;
#endif

#ifdef GSL_MONITOR
	printk( "gsl_ts_probe () : queue gsl_monitor_workqueue\n");

	INIT_DELAYED_WORK(&gsl_monitor_work, gsl_monitor_worker);
	gsl_monitor_workqueue = create_singlethread_workqueue("gsl_monitor_workqueue");
	queue_delayed_work(gsl_monitor_workqueue, &gsl_monitor_work, 1000);
#endif

	printk("[GSLX680] End %s\n", __func__);

	return 0;

//exit_set_irq_mode:	
error_req_irq_fail:
    free_irq(ts->irq, ts);	

error_mutex_destroy:
	input_free_device(ts->input);
	devm_kfree(&client->dev, ts);
	return rc;
}

static int gsl_ts_remove(struct i2c_client *client)
{
	struct gsl_ts *ts = i2c_get_clientdata(client);
	printk("==gsl_ts_remove=\n");

#ifdef CONFIG_HAS_EARLYSUSPEND
	unregister_early_suspend(&ts->early_suspend);
#endif

#ifdef GSL_MONITOR
	cancel_delayed_work_sync(&gsl_monitor_work);
	destroy_workqueue(gsl_monitor_workqueue);
#endif

	device_init_wakeup(&client->dev, 0);
	cancel_work_sync(&ts->work);
	free_irq(ts->irq, ts);
	destroy_workqueue(ts->wq);
	input_unregister_device(ts->input);
	//device_remove_file(&ts->input->dev, &dev_attr_debug_enable);
	
	devm_kfree(&client->dev, ts->touch_data);
	devm_kfree(&client->dev, ts);

	return 0;
}

static const struct i2c_device_id gsl_ts_id[] = {
	{GSLX680_I2C_NAME, 0},
	{}
};
MODULE_DEVICE_TABLE(i2c, gsl_ts_id);

static struct of_device_id goodix_ts_dt_ids[] = {
	{ .compatible = "tchip,gsl3680" },
	{ }
};
static struct i2c_driver gsl_ts_driver = {
	.driver = {
		.name = GSLX680_I2C_NAME,
		.owner = THIS_MODULE,
		.of_match_table = of_match_ptr(goodix_ts_dt_ids),
	},
	.probe		= gsl_ts_probe,
	.remove		= gsl_ts_remove,
	.id_table	= gsl_ts_id,
};

static int __init gsl_ts_init(void)
{
    int ret;
	printk("==gsl_ts_init==\n");
	ret = i2c_add_driver(&gsl_ts_driver);
	printk("ret=%d\n",ret);
	return ret;
}
static void __exit gsl_ts_exit(void)
{
	printk("==gsl_ts_exit==\n");
	i2c_del_driver(&gsl_ts_driver);
	return;
}

module_init(gsl_ts_init);
module_exit(gsl_ts_exit);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("GSLX680 touchscreen controller driver");