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7490a94de216328f69fc9ee6f85146980a752017
linux/drivers/input/touchscreen/ft5406_ts.c

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/*
* drivers/input/touchscreen/ft5x0x_ts.c
*
* FocalTech ft5x0x TouchScreen driver.
*
* Copyright (c) 2010 Focal tech Ltd.
*
* 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.
*
*
* note: only support mulititouch Wenfs 2010-10-01
*/
#include <linux/input.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/fcntl.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/timer.h>
#include <linux/jiffies.h>
#include <linux/miscdevice.h>
#include <linux/types.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/input-polldev.h>
#include <linux/i2c.h>
#include <linux/workqueue.h>
#ifdef CONFIG_ANDROID_POWER
#include <linux/android_power.h>
#endif
#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <asm/hardware/gic.h>
#include <mach/iomux.h>
#include <mach/gpio.h>
#include <mach/irqs.h>
#include <mach/rk29_iomap.h>
#include <mach/board.h>
#include <mach/rk29_nand.h>
#include <mach/rk29_camera.h> /* ddl@rock-chips.com : camera support */
#include <media/soc_camera.h> /* ddl@rock-chips.com : camera support */
#include <mach/vpu_mem.h>
#include <mach/sram.h>
#include <linux/earlysuspend.h>
static struct early_suspend ft5406_power;
#define CONFIG_FT5X0X_MULTITOUCH 1
#define MAX_POINT 5
#define FT5406_IIC_SPEED 400*1000 //300*1000
#define TOUCH_RESET_PIN RK29_PIN6_PC3
#define FT5X0X_REG_THRES 0x80 /* Thresshold, the threshold be low, the sensitivy will be high */
#define FT5X0X_REG_REPORT_RATE 0x88 /* **************report rate, in unit of 10Hz **************/
#define FT5X0X_REG_PMODE 0xA5 /* Power Consume Mode 0 -- active, 1 -- monitor, 3 -- sleep */
#define FT5X0X_REG_FIRMID 0xA6 /* ***************firmware version **********************/
#define FT5X0X_REG_NOISE_MODE 0xb2 /* to enable or disable power noise, 1 -- enable, 0 -- disable */
#define SCREEN_MAX_X 800
#define SCREEN_MAX_Y 480
#define PRESS_MAX 255
#define FT5X0X_NAME "ft5x0x_ts"//"synaptics_i2c_rmi"//"synaptics-rmi-ts"//
#define TOUCH_MAJOR_MAX 200
#define WIDTH_MAJOR_MAX 200
//FT5X0X_REG_PMODE
#define PMODE_ACTIVE 0x00
#define PMODE_MONITOR 0x01
#define PMODE_STANDBY 0x02
#define PMODE_HIBERNATE 0x03
struct ts_event {
u16 x1;
u16 y1;
u16 x2;
u16 y2;
u16 x3;
u16 y3;
u16 x4;
u16 y4;
u16 x5;
u16 y5;
u16 pressure;
s16 touch_ID1;
s16 touch_ID2;
s16 touch_ID3;
s16 touch_ID4;
s16 touch_ID5;
u8 touch_point;
u8 status;
};
struct tp_event {
u16 x;
u16 y;
s16 id;
u16 pressure;
u8 touch_point;
u8 flag;
};
struct ft5x0x_ts_data {
struct i2c_client *client;
struct input_dev *input_dev;
int irq;
struct ts_event event;
struct work_struct pen_event_work;
struct workqueue_struct *ts_workqueue;
};
static struct i2c_client *this_client;
/***********************************************************************/
#define FTS_PACKET_LENGTH 128
static u8 CTPM_FW[]=
{
#include "ft_app.i"
};
typedef enum
{
ERR_OK,
ERR_MODE,
ERR_READID,
ERR_ERASE,
ERR_STATUS,
ERR_ECC,
ERR_DL_ERASE_FAIL,
ERR_DL_PROGRAM_FAIL,
ERR_DL_VERIFY_FAIL
}E_UPGRADE_ERR_TYPE;
/***********************************************************************/
/***********************************************************************
[function]:
callback: send data to ctpm by i2c interface;
[parameters]:
txdata[in]: data buffer which is used to send data;
length[in]: the length of the data buffer;
[return]:
FTS_TRUE: success;
FTS_FALSE: fail;
************************************************************************/
static int fts_i2c_txdata(u8 *txdata, int length)
{
int ret;
struct i2c_msg msg;
msg.addr = this_client->addr;
msg.flags = 0;
msg.len = length;
msg.buf = txdata;
ret = i2c_transfer(this_client->adapter, &msg, 1);
if (ret < 0)
pr_err("%s i2c write error: %d\n", __func__, ret);
return ret;
}
/***********************************************************************
[function]:
callback: write data to ctpm by i2c interface;
[parameters]:
buffer[in]: data buffer;
length[in]: the length of the data buffer;
[return]:
FTS_TRUE: success;
FTS_FALSE: fail;
************************************************************************/
static bool i2c_write_interface(u8* pbt_buf, int dw_lenth)
{
int ret;
ret=i2c_master_send(this_client, pbt_buf, dw_lenth);
if(ret<=0)
{
printk("[TSP]i2c_write_interface error line = %d, ret = %d\n", __LINE__, ret);
return false;
}
return true;
}
/***********************************************************************
[function]:
callback: read register value ftom ctpm by i2c interface;
[parameters]:
reg_name[in]: the register which you want to write;
tx_buf[in]: buffer which is contained of the writing value;
[return]:
FTS_TRUE: success;
FTS_FALSE: fail;
************************************************************************/
static bool fts_register_write(u8 reg_name, u8* tx_buf)
{
u8 write_cmd[2] = {0};
write_cmd[0] = reg_name;
write_cmd[1] = *tx_buf;
/*call the write callback function*/
return i2c_write_interface(write_cmd, 2);
}
/***********************************************************************
[function]:
callback: send a command to ctpm.
[parameters]:
btcmd[in]: command code;
btPara1[in]: parameter 1;
btPara2[in]: parameter 2;
btPara3[in]: parameter 3;
num[in]: the valid input parameter numbers,
if only command code needed and no
parameters followed,then the num is 1;
[return]:
FTS_TRUE: success;
FTS_FALSE: io fail;
************************************************************************/
static bool cmd_write(u8 btcmd,u8 btPara1,u8 btPara2,u8 btPara3,u8 num)
{
u8 write_cmd[4] = {0};
write_cmd[0] = btcmd;
write_cmd[1] = btPara1;
write_cmd[2] = btPara2;
write_cmd[3] = btPara3;
return i2c_write_interface(write_cmd, num);
}
/***********************************************************************
[function]:
callback: read data from ctpm by i2c interface;
[parameters]:
buffer[in]: data buffer;
length[in]: the length of the data buffer;
[return]:
FTS_TRUE: success;
FTS_FALSE: fail;
************************************************************************/
static bool i2c_read_interface(u8* pbt_buf, int dw_lenth)
{
int ret;
ret=i2c_master_recv(this_client, pbt_buf, dw_lenth);
if(ret<=0)
{
printk("[TSP]i2c_read_interface error\n");
return false;
}
return true;
}
/***********************************************************************
[function]:
callback: read a byte data from ctpm;
[parameters]:
buffer[in]: read buffer;
length[in]: the size of read data;
[return]:
FTS_TRUE: success;
FTS_FALSE: io fail;
************************************************************************/
static bool byte_read(u8* buffer, int length)
{
return i2c_read_interface(buffer, length);
}
/***********************************************************************
[function]:
callback: write a byte data to ctpm;
[parameters]:
buffer[in]: write buffer;
length[in]: the size of write data;
[return]:
FTS_TRUE: success;
FTS_FALSE: io fail;
************************************************************************/
static bool byte_write(u8* buffer, int length)
{
return i2c_write_interface(buffer, length);
}
/***********************************************************************
[function]:
callback: read register value ftom ctpm by i2c interface;
[parameters]:
reg_name[in]: the register which you want to read;
rx_buf[in]: data buffer which is used to store register value;
rx_length[in]: the length of the data buffer;
[return]:
FTS_TRUE: success;
FTS_FALSE: fail;
************************************************************************/
static bool fts_register_read(u8 reg_name, u8* rx_buf, int rx_length)
{
u8 read_cmd[2]= {0};
u8 cmd_len = 0;
read_cmd[0] = reg_name;
cmd_len = 1;
/*send register addr*/
if(!i2c_write_interface(&read_cmd[0], cmd_len))
{
return false;
}
/*call the read callback function to get the register value*/
if(!i2c_read_interface(rx_buf, rx_length))
{
return false;
}
return true;
}
/***********************************************************************
[function]:
callback: burn the FW to ctpm.
[parameters]:
pbt_buf[in]: point to Head+FW ;
dw_lenth[in]: the length of the FW + 6(the Head length);
[return]:
ERR_OK: no error;
ERR_MODE: fail to switch to UPDATE mode;
ERR_READID: read id fail;
ERR_ERASE: erase chip fail;
ERR_STATUS: status error;
ERR_ECC: ecc error.
************************************************************************/
E_UPGRADE_ERR_TYPE fts_ctpm_fw_upgrade(u8* pbt_buf, int dw_lenth)
{
u8 cmd,reg_val[2] = {0};
u8 buffer[2] = {0};
u8 packet_buf[FTS_PACKET_LENGTH + 6];
u8 auc_i2c_write_buf[10];
u8 bt_ecc;
int j,temp,lenght,i_ret,packet_number, i = 0;
int i_is_new_protocol = 0;
/******write 0xaa to register 0xfc******/
cmd=0xaa;
fts_register_write(0xfc,&cmd);
mdelay(50);
/******write 0x55 to register 0xfc******/
cmd=0x55;
fts_register_write(0xfc,&cmd);
printk("[TSP] Step 1: Reset CTPM test\n");
mdelay(10);
/*******Step 2:Enter upgrade mode ****/
printk("\n[TSP] Step 2:enter new update mode\n");
auc_i2c_write_buf[0] = 0x55;
auc_i2c_write_buf[1] = 0xaa;
do
{
i ++;
i_ret = fts_i2c_txdata(auc_i2c_write_buf, 2);
mdelay(5);
}while(i_ret <= 0 && i < 10 );
if (i > 1)
{
i_is_new_protocol = 1;
}
/********Step 3:check READ-ID********/
cmd_write(0x90,0x00,0x00,0x00,4);
byte_read(reg_val,2);
if (reg_val[0] == 0x79 && reg_val[1] == 0x3)
{
printk("[TSP] Step 3: CTPM ID,ID1 = 0x%x,ID2 = 0x%x\n",reg_val[0],reg_val[1]);
}
else
{
return ERR_READID;
//i_is_new_protocol = 1;
}
/*********Step 4:erase app**********/
if (i_is_new_protocol)
{
cmd_write(0x61,0x00,0x00,0x00,1);
}
else
{
cmd_write(0x60,0x00,0x00,0x00,1);
}
mdelay(1500);
printk("[TSP] Step 4: erase. \n");
/*Step 5:write firmware(FW) to ctpm flash*/
bt_ecc = 0;
printk("[TSP] Step 5: start upgrade. \n");
dw_lenth = dw_lenth - 8;
packet_number = (dw_lenth) / FTS_PACKET_LENGTH;
packet_buf[0] = 0xbf;
packet_buf[1] = 0x00;
for (j=0;j<packet_number;j++)
{
temp = j * FTS_PACKET_LENGTH;
packet_buf[2] = (u8)(temp>>8);
packet_buf[3] = (u8)temp;
lenght = FTS_PACKET_LENGTH;
packet_buf[4] = (u8)(lenght>>8);
packet_buf[5] = (u8)lenght;
for (i=0;i<FTS_PACKET_LENGTH;i++)
{
packet_buf[6+i] = pbt_buf[j*FTS_PACKET_LENGTH + i];
bt_ecc ^= packet_buf[6+i];
}
byte_write(&packet_buf[0],FTS_PACKET_LENGTH + 6);
mdelay(FTS_PACKET_LENGTH/6 + 1);
if ((j * FTS_PACKET_LENGTH % 1024) == 0)
{
printk("[TSP] upgrade the 0x%x th byte.\n", ((unsigned int)j) * FTS_PACKET_LENGTH);
}
}
if ((dw_lenth) % FTS_PACKET_LENGTH > 0)
{
temp = packet_number * FTS_PACKET_LENGTH;
packet_buf[2] = (u8)(temp>>8);
packet_buf[3] = (u8)temp;
temp = (dw_lenth) % FTS_PACKET_LENGTH;
packet_buf[4] = (u8)(temp>>8);
packet_buf[5] = (u8)temp;
for (i=0;i<temp;i++)
{
packet_buf[6+i] = pbt_buf[ packet_number*FTS_PACKET_LENGTH + i];
bt_ecc ^= packet_buf[6+i];
}
byte_write(&packet_buf[0],temp+6);
mdelay(20);
}
/***********send the last six byte**********/
for (i = 0; i<6; i++)
{
temp = 0x6ffa + i;
packet_buf[2] = (u8)(temp>>8);
packet_buf[3] = (u8)temp;
temp =1;
packet_buf[4] = (u8)(temp>>8);
packet_buf[5] = (u8)temp;
packet_buf[6] = pbt_buf[ dw_lenth + i];
bt_ecc ^= packet_buf[6];
byte_write(&packet_buf[0],7);
mdelay(20);
}
/********send the opration head************/
cmd_write(0xcc,0x00,0x00,0x00,1);
byte_read(reg_val,1);
printk("[TSP] Step 6: ecc read 0x%x, new firmware 0x%x. \n", reg_val[0], bt_ecc);
if(reg_val[0] != bt_ecc)
{
return ERR_ECC;
}
/*******Step 7: reset the new FW**********/
cmd_write(0x07,0x00,0x00,0x00,1);
mdelay(100);//100ms
fts_register_read(0xfc, buffer, 1);
if (buffer[0] == 1)
{
cmd=4;
fts_register_write(0xfc, &cmd);
mdelay(2500);//2500ms
do
{
fts_register_read(0xfc, buffer, 1);
mdelay(100);//100ms
}while (buffer[0] != 1);
}
return ERR_OK;
}
/***********************************************************************/
int fts_ctpm_fw_upgrade_with_i_file(void)
{
u8* pbt_buf = 0;
int i_ret;
pbt_buf = CTPM_FW;
i_ret = fts_ctpm_fw_upgrade(pbt_buf,sizeof(CTPM_FW));
return i_ret;
}
/***********************************************************************/
unsigned char fts_ctpm_get_upg_ver(void)
{
unsigned int ui_sz;
ui_sz = sizeof(CTPM_FW);
if (ui_sz > 2)
{
return CTPM_FW[ui_sz - 2];
}
else
return 0xff;
}
/*read the it7260 register ,used i2c bus*/
static int ft5406_read_regs(struct i2c_client *client, u8 reg, u8 buf[], unsigned len)
{
int ret;
ret = i2c_master_reg8_recv(client, reg, buf, len, FT5406_IIC_SPEED);
return ret;
}
/* set the it7260 registe,used i2c bus*/
static int ft5406_set_regs(struct i2c_client *client, u8 reg, u8 const buf[], unsigned short len)
{
int ret;
ret = i2c_master_reg8_send(client, reg, buf, (int)len, FT5406_IIC_SPEED);
return ret;
}
static void ft5406_queue_work(struct work_struct *work)
{
struct ft5x0x_ts_data *data = container_of(work, struct ft5x0x_ts_data, pen_event_work);
struct tp_event event;
u8 start_reg=0x0;
u8 buf[32] = {0};
int ret,i,offset,points;
#if CONFIG_FT5X0X_MULTITOUCH
ret = ft5406_read_regs(data->client,start_reg, buf, 6*MAX_POINT+1);
#else
ret = ft5406_read_regs(data->client,start_reg, buf, 7);
#endif
if (ret < 0) {
dev_err(&data->client->dev, "ft5406_read_regs fail:%d!\n",ret);
enable_irq(data->irq);
return;
}
#if 0
for (i=0; i<32; i++) {
printk("buf[%d] = 0x%x \n", i, buf[i]);
}
#endif
points = buf[2] & 0x07;
//dev_info(&data->client->dev, "ft5406_read_and_report_data points = %d\n",points);
if (points == 0) {
#if CONFIG_FT5X0X_MULTITOUCH
input_report_abs(data->input_dev, ABS_MT_TOUCH_MAJOR, 0);
input_report_abs(data->input_dev, ABS_MT_WIDTH_MAJOR, 0);
//input_mt_sync(data->input_dev);
#else
input_report_abs(data->input_dev, ABS_PRESSURE, 0);
input_report_key(data->input_dev, BTN_TOUCH, 0);
#endif
input_sync(data->input_dev);
enable_irq(data->irq);
dev_info(&data->client->dev, "ft5406 touch release\n");
return;
}
memset(&event, 0, sizeof(struct tp_event));
#if CONFIG_FT5X0X_MULTITOUCH
for(i=0;i<points;i++){
offset = i*6+3;
event.x = (((s16)(buf[offset+0] & 0x0F))<<8) | ((s16)buf[offset+1]);
event.y = (((s16)(buf[offset+2] & 0x0F))<<8) | ((s16)buf[offset+3]);
event.id = (s16)(buf[offset+2] & 0xF0)>>4;
event.flag = ((buf[offset+0] & 0xc0) >> 6);
event.pressure = 200;
if(event.x<=SCREEN_MAX_X && event.y<=SCREEN_MAX_Y){
//dev_info(&data->client->dev,
// "ft5406 multiple report event[%d]:x = %d,y = %d,id = %d,flag = %d,pressure = %d\n",
// i,event.x,event.y,event.id,event.flag,event.pressure);
input_report_abs(data->input_dev, ABS_MT_TOUCH_MAJOR, 200);
input_report_abs(data->input_dev, ABS_MT_POSITION_X, event.x);
input_report_abs(data->input_dev, ABS_MT_POSITION_Y, event.y);
input_report_abs(data->input_dev, ABS_MT_TRACKING_ID, event.id);
input_report_abs(data->input_dev, ABS_MT_WIDTH_MAJOR, 1);
input_mt_sync(data->input_dev);
}
}
#else
event.x = (s16)(buf[3] & 0x0F)<<8 | (s16)buf[4];
event.y = (s16)(buf[5] & 0x0F)<<8 | (s16)buf[6];
event.pressure =200;
input_report_abs(data->input_dev, ABS_X, event.x);
input_report_abs(data->input_dev, ABS_Y, event.y);
input_report_abs(data->input_dev, ABS_PRESSURE, event.pressure);
input_report_key(data->input_dev, BTN_TOUCH, 1);
//dev_info(&data->client->dev, "ft5406 single report event:x = %d,y = %d\n",event.x,event.y);
#endif
//dev_info(&data->client->dev, "ft5406 sync\n",event.x,event.y);
input_sync(data->input_dev);
enable_irq(data->irq);
return;
}
static irqreturn_t ft5406_interrupt(int irq, void *dev_id)
{
struct ft5x0x_ts_data *ft5x0x_ts = dev_id;
disable_irq_nosync(ft5x0x_ts->irq);
if (!work_pending(&ft5x0x_ts->pen_event_work))
queue_work(ft5x0x_ts->ts_workqueue, &ft5x0x_ts->pen_event_work);
return IRQ_HANDLED;
}
static int ft5406_suspend(struct i2c_client *client, pm_message_t mesg)
{
struct ft5x0x_ts_data *ft5x0x_ts = i2c_get_clientdata(client);
struct ft5406_platform_data *pdata = client->dev.platform_data;
if (pdata->platform_sleep)
pdata->platform_sleep();
disable_irq(ft5x0x_ts->irq);
return 0;
}
static int ft5406_resume(struct i2c_client *client)
{
struct ft5x0x_ts_data *ft5x0x_ts = i2c_get_clientdata(client);
struct ft5406_platform_data *pdata = client->dev.platform_data;
enable_irq(ft5x0x_ts->irq);
if (pdata->platform_wakeup)
pdata->platform_wakeup();
return 0;
}
static void ft5406_suspend_early(struct early_suspend *h)
{
ft5406_suspend(this_client,PMSG_SUSPEND);
}
static void ft5406_resume_early(struct early_suspend *h)
{
ft5406_resume(this_client);
}
static int __devexit ft5406_remove(struct i2c_client *client)
{
struct ft5x0x_ts_data *ft5x0x_ts = i2c_get_clientdata(client);
free_irq(ft5x0x_ts->irq, ft5x0x_ts);
input_unregister_device(ft5x0x_ts->input_dev);
kfree(ft5x0x_ts);
cancel_work_sync(&ft5x0x_ts->pen_event_work);
destroy_workqueue(ft5x0x_ts->ts_workqueue);
i2c_set_clientdata(client, NULL);
unregister_early_suspend(&ft5406_power);
this_client = NULL;
return 0;
}
static int ft5406_probe(struct i2c_client *client ,const struct i2c_device_id *id)
{
struct ft5x0x_ts_data *ft5x0x_ts;
struct input_dev *input_dev;
struct ft5406_platform_data *pdata = client->dev.platform_data;
int err = 0;
int ret = 0;
int retry = 0;
u8 buf_w[1];
u8 buf_r[1];
const u8 buf_test[1] = {0};
unsigned char reg_value;
unsigned char reg_version;
dev_info(&client->dev, "ft5x0x_ts_probe!\n");
if (!pdata) {
dev_err(&client->dev, "platform data is required!\n");
return -EINVAL;
}
if (pdata->init_platform_hw)
pdata->init_platform_hw();
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)){
dev_err(&client->dev, "Must have I2C_FUNC_I2C.\n");
return -ENODEV;
}
ft5x0x_ts = kzalloc(sizeof(*ft5x0x_ts), GFP_KERNEL);
if (!ft5x0x_ts) {
return -ENOMEM;
}
while(retry < 5)
{
ret=ft5406_set_regs(client,FT5X0X_REG_PMODE, buf_test,1);
if(ret > 0)break;
retry++;
}
if(ret <= 0)
{
printk("FT5406 I2C TEST ERROR!\n");
err = -ENODEV;
goto exit_i2c_test_fail;
}
input_dev = input_allocate_device();
if (!input_dev) {
err = -ENOMEM;
printk("failed to allocate input device\n");
goto exit_input_dev_alloc_failed;
}
ft5x0x_ts->client = this_client = client;
ft5x0x_ts->irq = client->irq;
ft5x0x_ts->input_dev = input_dev;
#if CONFIG_FT5X0X_MULTITOUCH
set_bit(ABS_MT_POSITION_X, input_dev->absbit);
set_bit(ABS_MT_POSITION_Y, input_dev->absbit);
set_bit(ABS_MT_TOUCH_MAJOR, input_dev->absbit);
set_bit(ABS_MT_TRACKING_ID, input_dev->absbit);
set_bit(ABS_MT_WIDTH_MAJOR, input_dev->absbit);
input_set_abs_params(input_dev,ABS_MT_POSITION_X, 0, SCREEN_MAX_X, 0, 0);
input_set_abs_params(input_dev,ABS_MT_POSITION_Y, 0, SCREEN_MAX_Y, 0, 0);
input_set_abs_params(input_dev,ABS_MT_TOUCH_MAJOR, 0, TOUCH_MAJOR_MAX, 0, 0);
input_set_abs_params(input_dev,ABS_MT_TRACKING_ID, 0, MAX_POINT, 0, 0);
input_set_abs_params(input_dev,ABS_MT_WIDTH_MAJOR, 0, WIDTH_MAJOR_MAX, 0, 0);
#else
set_bit(ABS_X, input_dev->absbit);
set_bit(ABS_Y, input_dev->absbit);
set_bit(ABS_PRESSURE, input_dev->absbit);
set_bit(BTN_TOUCH, input_dev->keybit);
input_set_abs_params(input_dev, ABS_X, 0, SCREEN_MAX_X, 0, 0);
input_set_abs_params(input_dev, ABS_Y, 0, SCREEN_MAX_Y, 0, 0);
input_set_abs_params(input_dev, ABS_PRESSURE, 0, PRESS_MAX, 0 , 0);
#endif
set_bit(EV_ABS, input_dev->evbit);
set_bit(EV_KEY, input_dev->evbit);
input_dev->name = FT5X0X_NAME; //dev_name(&client->dev)
err = input_register_device(input_dev);
if (err) {
printk("ft5x0x_ts_probe: failed to register input device: \n");
goto exit_input_register_device_failed;
}
if (!ft5x0x_ts->irq) {
err = -ENODEV;
dev_err(&ft5x0x_ts->client->dev, "no IRQ?\n");
goto exit_no_irq_fail;
}else{
ft5x0x_ts->irq = gpio_to_irq(ft5x0x_ts->irq);
}
//INIT_WORK(&ft5x0x_ts->pen_event_work, ft5406_ts_pen_irq_work);
INIT_WORK(&ft5x0x_ts->pen_event_work, ft5406_queue_work);
ft5x0x_ts->ts_workqueue = create_singlethread_workqueue("ft5x0x_ts");
if (!ft5x0x_ts->ts_workqueue) {
err = -ESRCH;
goto exit_create_singlethread;
}
/***wait CTP to bootup normally***/
msleep(200);
fts_register_read(FT5X0X_REG_FIRMID, &reg_version,1);
printk("[TSP] firmware version = 0x%2x\n", reg_version);
fts_register_read(FT5X0X_REG_REPORT_RATE, &reg_value,1);
printk("[TSP]firmware report rate = %dHz\n", reg_value*10);
fts_register_read(FT5X0X_REG_THRES, &reg_value,1);
printk("[TSP]firmware threshold = %d\n", reg_value * 4);
fts_register_read(FT5X0X_REG_NOISE_MODE, &reg_value,1);
printk("[TSP]nosie mode = 0x%2x\n", reg_value);
if (fts_ctpm_get_upg_ver() != reg_version)
{
printk("[TSP] start upgrade new verison 0x%2x\n", fts_ctpm_get_upg_ver());
msleep(200);
err = fts_ctpm_fw_upgrade_with_i_file();
if (err == 0)
{
printk("[TSP] ugrade successfuly.\n");
msleep(300);
fts_register_read(FT5X0X_REG_FIRMID, &reg_value,1);
printk("FTS_DBG from old version 0x%2x to new version = 0x%2x\n", reg_version, reg_value);
}
else
{
printk("[TSP] ugrade fail err=%d, line = %d.\n",err, __LINE__);
}
msleep(4000);
}
//printk("client->dev.driver->name %s ,%d \n",client->dev.driver->name,ft5x0x_ts->irq);
ret = request_irq(ft5x0x_ts->irq, ft5406_interrupt, IRQF_TRIGGER_FALLING, client->dev.driver->name, ft5x0x_ts);
if (ret < 0) {
dev_err(&client->dev, "irq %d busy?\n", ft5x0x_ts->irq);
goto exit_irq_request_fail;
}
i2c_set_clientdata(client, ft5x0x_ts);
ft5406_power.suspend =ft5406_suspend_early;
ft5406_power.resume =ft5406_resume_early;
ft5406_power.level = 0x2;
register_early_suspend(&ft5406_power);
buf_w[0] = 6;
err = ft5406_set_regs(client,0x88,buf_w,1);
buf_r[0] = 0;
err = ft5406_read_regs(client,0x88,buf_r,1);
// printk("read buf[0x88] = %d\n", buf_r[0]);
return 0;
i2c_set_clientdata(client, NULL);
free_irq(ft5x0x_ts->irq,ft5x0x_ts);
exit_irq_request_fail:
cancel_work_sync(&ft5x0x_ts->pen_event_work);
destroy_workqueue(ft5x0x_ts->ts_workqueue);
exit_create_singlethread:
exit_no_irq_fail:
input_unregister_device(input_dev);
exit_input_register_device_failed:
input_free_device(input_dev);
exit_input_dev_alloc_failed:
exit_i2c_test_fail:
if (pdata->exit_platform_hw)
pdata->exit_platform_hw();
kfree(ft5x0x_ts);
return err;
}
static struct i2c_device_id ft5406_idtable[] = {
{ FT5X0X_NAME, 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ft5406_idtable);
static struct i2c_driver ft5406_driver = {
.driver = {
.owner = THIS_MODULE,
.name = FT5X0X_NAME
},
.id_table = ft5406_idtable,
.probe = ft5406_probe,
.remove = __devexit_p(ft5406_remove),
};
static int __init ft5406_ts_init(void)
{
return i2c_add_driver(&ft5406_driver);
}
static void __exit ft5406_ts_exit(void)
{
printk("Touchscreen driver of ft5406 exited.\n");
i2c_del_driver(&ft5406_driver);
}
/***********************************************************************/
module_init(ft5406_ts_init);
module_exit(ft5406_ts_exit);
MODULE_AUTHOR("<wenfs@Focaltech-systems.com>");
MODULE_DESCRIPTION("FocalTech ft5x0x TouchScreen driver");
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