MTK平台添加防止误触代码

ltr559_old:

#include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/irq.h> #include <linux/miscdevice.h> #include <asm/uaccess.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/workqueue.h> #include <linux/kobject.h> #include <linux/earlysuspend.h> #include <linux/platform_device.h> #include <asm/atomic.h>

#include <mach/mt_typedefs.h> #include <mach/mt_gpio.h> #include <mach/mt_pm_ldo.h> #include <linux/hwmsensor.h> #include <linux/hwmsen_dev.h> #include <linux/sensors_io.h> #include <asm/io.h> #include <cust_eint.h> #include <cust_alsps.h> #include <linux/hwmsen_helper.h> #include "ltr559.h"

#include <linux/earlysuspend.h> #include <linux/wakelock.h> #include <linux/sched.h> #include <alsps.h> #include <linux/mutex.h>

#undef CUSTOM_KERNEL_SENSORHUB #ifdef CUSTOM_KERNEL_SENSORHUB #include <SCP_sensorHub.h> #endif

#define POWER_NONE_MACRO MT65XX_POWER_NONE #define GN_MTK_BSP_PS_DYNAMIC_CALI

/****************************************************************************** * configuration *******************************************************************************/ /*----------------------------------------------------------------------------*/

#define LTR559_DEV_NAME "LTR_559ALS"

/*----------------------------------------------------------------------------*/ #define APS_TAG "[ALS/PS] " #define APS_FUN(f) printk(KERN_ERR APS_TAG"%s\n", __FUNCTION__) #define APS_ERR(fmt, args...) printk(KERN_ERR APS_TAG"%s %d : "fmt, __FUNCTION__, __LINE__, ##args)

#define APS_ERR_ST(f) printk(KERN_ERR APS_TAG"%s %d : ", __FUNCTION__, __LINE__)

#define APS_LOG(fmt, args...) printk(KERN_ERR APS_TAG fmt, ##args) #define APS_DBG(fmt, args...) printk(KERN_ERR APS_TAG fmt, ##args) /****************************************************************************** * extern functions *******************************************************************************/

extern void mt_eint_mask(unsigned int eint_num); extern void mt_eint_unmask(unsigned int eint_num); extern void mt_eint_set_hw_debounce(unsigned int eint_num, unsigned int ms); extern void mt_eint_set_polarity(unsigned int eint_num, unsigned int pol); extern unsigned int mt_eint_set_sens(unsigned int eint_num, unsigned int sens); extern void mt_eint_registration(unsigned int eint_num, unsigned int flow, void (EINT_FUNC_PTR)(void), unsigned int is_auto_umask); extern void mt_eint_print_status(void); /*----------------------------------------------------------------------------*/

static struct i2c_client *ltr559_i2c_client = NULL;

/*----------------------------------------------------------------------------*/ static const struct i2c_device_id ltr559_i2c_id[] = {{LTR559_DEV_NAME,0},{}}; /*the adapter id & i2c address will be available in customization*/ static struct i2c_board_info __initdata i2c_ltr559={ I2C_BOARD_INFO("LTR_559ALS", 0x23)};

//static unsigned short ltr559_force[] = {0x00, 0x46, I2C_CLIENT_END, I2C_CLIENT_END}; //static const unsigned short *const ltr559_forces[] = { ltr559_force, NULL }; //static struct i2c_client_address_data ltr559_addr_data = { .forces = ltr559_forces,}; /*----------------------------------------------------------------------------*/ static int ltr559_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); static int ltr559_i2c_remove(struct i2c_client *client); static int ltr559_i2c_detect(struct i2c_client *client, int kind, struct i2c_board_info *info); /*----------------------------------------------------------------------------*/ static int ltr559_i2c_suspend(struct i2c_client *client, pm_message_t msg); static int ltr559_i2c_resume(struct i2c_client *client); static int ltr559_init_device(void);

static int ltr559_ps_enable(int gainrange); static int dynamic_calibrate=0;

static int ps_trigger_high = 800; static int ps_trigger_low = 760;

static int ps_gainrange; static int als_gainrange;

static int final_prox_val , prox_val; static int final_lux_val;

/*----------------------------------------------------------------------------*/ static DEFINE_MUTEX(read_lock);

/*----------------------------------------------------------------------------*/ static int ltr559_als_read(int gainrange); static int ltr559_ps_read(void);

/*----------------------------------------------------------------------------*/

typedef enum { CMC_BIT_ALS = 1, CMC_BIT_PS = 2, } CMC_BIT;

/*----------------------------------------------------------------------------*/ struct ltr559_i2c_addr { /*define a series of i2c slave address*/ u8 write_addr; u8 ps_thd; /*PS INT threshold*/ };

/*----------------------------------------------------------------------------*/

struct ltr559_priv { struct alsps_hw *hw; struct i2c_client *client; struct work_struct eint_work; struct mutex lock; /*i2c address group*/ struct ltr559_i2c_addr addr;

/*misc*/ u16 als_modulus; atomic_t i2c_retry; atomic_t als_debounce; /*debounce time after enabling als*/ atomic_t als_deb_on; /*indicates if the debounce is on*/ atomic_t als_deb_end; /*the jiffies representing the end of debounce*/ atomic_t ps_mask; /*mask ps: always return far away*/ atomic_t ps_debounce; /*debounce time after enabling ps*/ atomic_t ps_deb_on; /*indicates if the debounce is on*/ atomic_t ps_deb_end; /*the jiffies representing the end of debounce*/ atomic_t ps_suspend; atomic_t als_suspend;

/*data*/ u16 als; u16 ps; u8 _align; u16 als_level_num; u16 als_value_num; u32 als_level[C_CUST_ALS_LEVEL-1]; u32 als_value[C_CUST_ALS_LEVEL];

atomic_t als_cmd_val; /*the cmd value can't be read, stored in ram*/ atomic_t ps_cmd_val; /*the cmd value can't be read, stored in ram*/ atomic_t ps_thd_val; /*the cmd value can't be read, stored in ram*/ atomic_t ps_thd_val_high; /*the cmd value can't be read, stored in ram*/ atomic_t ps_thd_val_low; /*the cmd value can't be read, stored in ram*/ ulong enable; /*enable mask*/ ulong pending_intr; /*pending interrupt*/

/*early suspend*/ #if defined(CONFIG_HAS_EARLYSUSPEND) struct early_suspend early_drv; #endif };

struct PS_CALI_DATA_STRUCT { int close; int far_away; int valid; } ;

static struct PS_CALI_DATA_STRUCT ps_cali={0,0,0}; static int intr_flag_value = 0;

static struct ltr559_priv *ltr559_obj = NULL; static struct platform_driver ltr559_alsps_driver;

/*----------------------------------------------------------------------------*/ static struct i2c_driver ltr559_i2c_driver = { .probe = ltr559_i2c_probe, .remove = ltr559_i2c_remove, .detect = ltr559_i2c_detect, .suspend = ltr559_i2c_suspend, .resume = ltr559_i2c_resume, .id_table = ltr559_i2c_id, //.address_data = &ltr559_addr_data, .driver = { //.owner = THIS_MODULE, .name = LTR559_DEV_NAME, }, };

/* * ######### * ## I2C ## * ######### */

// I2C Read static int ltr559_i2c_read_reg(u8 regnum) { u8 buffer[1],reg_value[1]; int res = 0; mutex_lock(&read_lock); buffer[0]= regnum; res = i2c_master_send(ltr559_obj->client, buffer, 0x1); if(res <= 0) { APS_ERR("read reg send res = %d\n",res); return res; } res = i2c_master_recv(ltr559_obj->client, reg_value, 0x1); if(res <= 0) { APS_ERR("read reg recv res = %d\n",res); return res; } mutex_unlock(&read_lock); return reg_value[0]; }

// I2C Write static int ltr559_i2c_write_reg(u8 regnum, u8 value) { u8 databuf[2]; int res = 0; databuf[0] = regnum; databuf[1] = value; res = i2c_master_send(ltr559_obj->client, databuf, 0x2);

if (res < 0) { APS_ERR("wirte reg send res = %d\n",res); return res; } else return 0; }

/*----------------------------------------------------------------------------*/ #ifdef GN_MTK_BSP_PS_DYNAMIC_CALI static ssize_t ltr559_dynamic_calibrate(void) { int ret=0; int i=0; int data; int data_total=0; ssize_t len = 0; int noise = 0; int count = 5; int max = 0; struct ltr559_priv *obj = ltr559_obj; if(!ltr559_obj) { APS_ERR("ltr559_obj is null!!\n"); //len = sprintf(buf, "ltr559_obj is null\n"); return -1; }

// wait for register to be stable msleep(15);

for (i = 0; i < count; i++) { // wait for ps value be stable msleep(15); data=ltr559_ps_read(); if (data < 0) { i--; continue; } if(data & 0x8000){ noise = 0; break; }else{ noise=data; } data_total+=data;

if (max++ > 100) { //len = sprintf(buf,"adjust fail\n"); return len; } }

noise=data_total/count;

dynamic_calibrate = noise; if(noise < 100){

atomic_set(&obj->ps_thd_val_high, noise+80);//wangxiqiang atomic_set(&obj->ps_thd_val_low, noise+60); }else if(noise < 200){ atomic_set(&obj->ps_thd_val_high, noise+100); atomic_set(&obj->ps_thd_val_low, noise+80); }else if(noise < 300){ atomic_set(&obj->ps_thd_val_high, noise+100); atomic_set(&obj->ps_thd_val_low, noise+80); }else if(noise < 400){ atomic_set(&obj->ps_thd_val_high, noise+100); atomic_set(&obj->ps_thd_val_low, noise+80); }else if(noise < 600){ atomic_set(&obj->ps_thd_val_high, noise+180); atomic_set(&obj->ps_thd_val_low, noise+90); }else if(noise < 1000){ atomic_set(&obj->ps_thd_val_high, noise+300); atomic_set(&obj->ps_thd_val_low, noise+180); }else if(noise < 1250){ atomic_set(&obj->ps_thd_val_high, noise+400); atomic_set(&obj->ps_thd_val_low, noise+300); } else{ atomic_set(&obj->ps_thd_val_high, 1300); atomic_set(&obj->ps_thd_val_low, 1000); //isadjust = 0; printk(KERN_ERR "ltr558 the proximity sensor structure is error\n"); } // int ps_thd_val_low, ps_thd_val_high ; ps_thd_val_low = atomic_read(&obj->ps_thd_val_low); ps_thd_val_high = atomic_read(&obj->ps_thd_val_high);

return 0; } #endif

/*----------------------------------------------------------------------------*/ static ssize_t ltr559_show_als(struct device_driver *ddri, char *buf) { int res; u8 dat = 0; if(!ltr559_obj) { APS_ERR("ltr559_obj is null!!\n"); return 0; } res = ltr559_als_read(als_gainrange); return snprintf(buf, PAGE_SIZE, "0x%04X\n", res); } /*----------------------------------------------------------------------------*/ static ssize_t ltr559_show_ps(struct device_driver *ddri, char *buf) { int res; if(!ltr559_obj) { APS_ERR("ltr559_obj is null!!\n"); return 0; } res = ltr559_ps_read(); return snprintf(buf, PAGE_SIZE, "0x%04X\n", res); } /*----------------------------------------------------------------------------*/

/*----------------------------------------------------------------------------*/ static ssize_t ltr559_show_status(struct device_driver *ddri, char *buf) { ssize_t len = 0; if(!ltr559_obj) { APS_ERR("ltr559_obj is null!!\n"); return 0; } if(ltr559_obj->hw) { len += snprintf(buf+len, PAGE_SIZE-len, "CUST: %d, (%d %d)\n", ltr559_obj->hw->i2c_num, ltr559_obj->hw->power_id, ltr559_obj->hw->power_vol); } else { len += snprintf(buf+len, PAGE_SIZE-len, "CUST: NULL\n"); }

len += snprintf(buf+len, PAGE_SIZE-len, "MISC: %d %d\n", atomic_read(&ltr559_obj->als_suspend), atomic_read(&ltr559_obj->ps_suspend));

return len; }

/*----------------------------------------------------------------------------*/ static ssize_t ltr559_store_status(struct device_driver *ddri, char *buf, size_t count) { int status1,ret; if(!ltr559_obj) { APS_ERR("ltr559_obj is null!!\n"); return 0; } if(1 == sscanf(buf, "%d ", &status1)) { ret=ltr559_ps_enable(ps_gainrange); APS_DBG("iret= %d, ps_gainrange = %d\n", ret, ps_gainrange); } else { APS_DBG("invalid content: '%s', length = %ld\n", buf, count); } return count; }

/*----------------------------------------------------------------------------*/ static ssize_t ltr559_show_reg(struct device_driver *ddri, char *buf, size_t count) { int i,len=0; int reg[]={0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c, 0x8d,0x8e,0x8f,0x90,0x91,0x92,0x93,0x94,0x95,0x97,0x98,0x99,0x9a,0x9e}; for(i=0;i<27;i++) { len += snprintf(buf+len, PAGE_SIZE-len, "reg:0x%04X value: 0x%04X\n", reg[i],ltr559_i2c_read_reg(reg[i]));

} return len; } /*----------------------------------------------------------------------------*/ static ssize_t ltr559_store_reg(struct device_driver *ddri, char *buf, size_t count) { int ret,value; u32 reg; if(!ltr559_obj) { APS_ERR("ltr559_obj is null!!\n"); return 0; } if(2 == sscanf(buf, "%x %x ", &reg,&value)) { APS_DBG("before write reg: %x, reg_value = %x write value=%x\n", reg,ltr559_i2c_read_reg(reg),value); ret=ltr559_i2c_write_reg(reg,value); APS_DBG("after write reg: %x, reg_value = %x\n", reg,ltr559_i2c_read_reg(reg)); } else { APS_DBG("invalid content: '%s', length = %ld\n", buf, count); } return count; }

/*----------------------------------------------------------------------------*/ static DRIVER_ATTR(als, S_IWUSR | S_IRUGO, ltr559_show_als, NULL); static DRIVER_ATTR(ps, S_IWUSR | S_IRUGO, ltr559_show_ps, NULL); //static DRIVER_ATTR(config, S_IWUSR | S_IRUGO, ltr559_show_config,ltr559_store_config); //static DRIVER_ATTR(alslv, S_IWUSR | S_IRUGO, ltr559_show_alslv, ltr559_store_alslv); //static DRIVER_ATTR(alsval, S_IWUSR | S_IRUGO, ltr559_show_alsval,ltr559_store_alsval); //static DRIVER_ATTR(trace, S_IWUSR | S_IRUGO,ltr559_show_trace, ltr559_store_trace); static DRIVER_ATTR(status, S_IWUSR | S_IRUGO, ltr559_show_status, ltr559_store_status); static DRIVER_ATTR(reg, S_IWUSR | S_IRUGO, ltr559_show_reg, ltr559_store_reg); //static DRIVER_ATTR(i2c, S_IWUSR | S_IRUGO, ltr559_show_i2c, ltr559_store_i2c); /*----------------------------------------------------------------------------*/ static struct driver_attribute *ltr559_attr_list[] = { &driver_attr_als, &driver_attr_ps, // &driver_attr_trace, /*trace log*/ // &driver_attr_config, // &driver_attr_alslv, //&driver_attr_alsval, &driver_attr_status, //&driver_attr_i2c, &driver_attr_reg, }; /*----------------------------------------------------------------------------*/ static int ltr559_create_attr(struct driver_attribute *driver) { int idx, err = 0; int num = (int)(sizeof(ltr559_attr_list)/sizeof(ltr559_attr_list[0]));

if (driver == NULL) { return -EINVAL; }

for(idx = 0; idx < num; idx++) { if(err = driver_create_file(driver, ltr559_attr_list[idx])) { APS_ERR("driver_create_file (%s) = %d\n", ltr559_attr_list[idx]->attr.name, err); break; } } return err; } /*----------------------------------------------------------------------------*/ static int ltr559_delete_attr(struct device_driver *driver) { int idx ,err = 0; int num = (int)(sizeof(ltr559_attr_list)/sizeof(ltr559_attr_list[0]));

if (!driver) return -EINVAL;

for (idx = 0; idx < num; idx++) { driver_remove_file(driver, ltr559_attr_list[idx]); } return err; }

/*----------------------------------------------------------------------------*/

/* * ############### * ## PS CONFIG ## * ###############

static int ltr559_ps_set_thres() { APS_FUN();

int res; u8 databuf[2]; struct i2c_client *client = ltr559_obj->client; struct ltr559_priv *obj = ltr559_obj; APS_DBG("ps_cali.valid: %d\n", ps_cali.valid); if(1 == ps_cali.valid) { databuf[0] = LTR559_PS_THRES_LOW_0; databuf[1] = (u8)(ps_cali.far_away & 0x00FF); res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } databuf[0] = LTR559_PS_THRES_LOW_1; databuf[1] = (u8)((ps_cali.far_away & 0xFF00) >> 8); res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } databuf[0] = LTR559_PS_THRES_UP_0; databuf[1] = (u8)(ps_cali.close & 0x00FF); res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } databuf[0] = LTR559_PS_THRES_UP_1; databuf[1] = (u8)((ps_cali.close & 0xFF00) >> 8);; res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } } else { databuf[0] = LTR559_PS_THRES_LOW_0; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_low)) & 0x00FF); res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } databuf[0] = LTR559_PS_THRES_LOW_1; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_low )>> 8) & 0x00FF); res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } databuf[0] = LTR559_PS_THRES_UP_0; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_high)) & 0x00FF); res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } databuf[0] = LTR559_PS_THRES_UP_1; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_high) >> 8) & 0x00FF); res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } }

res = 0; return res; EXIT_ERR: APS_ERR("set thres: %d\n", res); return res;

}

static int ltr559_ps_enable(int gainrange) { struct i2c_client *client = ltr559_obj->client; struct ltr559_priv *obj = ltr559_obj; u8 databuf[2]; int res;

int data; hwm_sensor_data sensor_data;

int error; int setgain; APS_LOG("ltr559_ps_enable() ...start!\n"); gainrange = PS_RANGE16; switch (gainrange) { case PS_RANGE16: setgain = MODE_PS_ON_Gain16; break;

case PS_RANGE32: setgain = MODE_PS_ON_Gain32; break;

case PS_RANGE64: setgain = MODE_PS_ON_Gain64; break;

default: setgain = MODE_PS_ON_Gain16; break; }

APS_LOG("LTR559_PS setgain = %d!\n",setgain);

error = ltr559_i2c_write_reg(LTR559_PS_CONTR, setgain); if(error<0) { APS_LOG("ltr559_ps_enable() error1\n"); return error; } //wisky-lxh@20150108 res = ltr559_init_device(); if (res < 0) { APS_ERR("ltr559_init_devicet: %d\n", res); return res; } //end-wisky-lxh

/* =============== * ** IMPORTANT ** * =============== * Other settings like timing and threshold to be set here, if required. * Not set and kept as device default for now. */

data = ltr559_i2c_read_reg(LTR559_PS_CONTR); #ifdef GN_MTK_BSP_PS_DYNAMIC_CALI //wangxiqiang if (data & 0x02) {

if(0 == obj->hw->polling_mode_ps){ mt_eint_mask(CUST_EINT_ALS_NUM); } if (ltr559_dynamic_calibrate() < 0) return -1; } #endif

/*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ if(0 == obj->hw->polling_mode_ps) {

ltr559_ps_set_thres();

#if 1 databuf[0] = LTR559_INTERRUPT; databuf[1] = 0x01; res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } databuf[0] = LTR559_INTERRUPT_PERSIST; databuf[1] = 0x20; res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; } mt_eint_unmask(CUST_EINT_ALS_NUM); #endif } APS_LOG("ltr559_ps_enable ...OK!\n");

return error;

EXIT_ERR: APS_ERR("set thres: %d\n", res); return res; }

// Put PS into Standby mode static int ltr559_ps_disable(void) { int error; struct ltr559_priv *obj = ltr559_obj; error = ltr559_i2c_write_reg(LTR559_PS_CONTR, MODE_PS_StdBy); if(error<0) APS_LOG("ltr559_ps_disable ...ERROR\n"); else APS_LOG("ltr559_ps_disable ...OK\n");

if(0 == obj->hw->polling_mode_ps) { cancel_work_sync(&obj->eint_work); mt_eint_mask(CUST_EINT_ALS_NUM); } return error; }

static int ltr559_ps_read(void) { int psval_lo, psval_hi, psdata;

psval_lo = ltr559_i2c_read_reg(LTR559_PS_DATA_0); APS_DBG("ps_rawdata_psval_lo = %d\n", psval_lo); if (psval_lo < 0){ APS_DBG("psval_lo error\n"); psdata = psval_lo; goto out; } psval_hi = ltr559_i2c_read_reg(LTR559_PS_DATA_1); APS_DBG("ps_rawdata_psval_hi = %d\n", psval_hi);

if (psval_hi < 0){ APS_DBG("psval_hi error\n"); psdata = psval_hi; goto out; } psdata = ((psval_hi & 7)* 256) + psval_lo; //psdata = ((psval_hi&0x7)<<8) + psval_lo; APS_DBG("ps_rawdata = %d\n", psdata);

prox_val = psdata; out: final_prox_val = psdata; return psdata; }

/* * ################ * ## ALS CONFIG ## * ################ */

static int ltr559_als_enable(int gainrange) { int error; int alsval_ch1_lo,alsval_ch1_hi,alsval_ch1,alsval_ch0_lo,alsval_ch0_hi,alsval_ch0; gainrange = ALS_RANGE_1300; APS_LOG("gainrange = %d\n",gainrange); switch (gainrange) { case ALS_RANGE_64K: error = ltr559_i2c_write_reg(LTR559_ALS_CONTR, MODE_ALS_ON_Range1); break;

case ALS_RANGE_32K: error = ltr559_i2c_write_reg(LTR559_ALS_CONTR, MODE_ALS_ON_Range2); break;

case ALS_RANGE_16K: error = ltr559_i2c_write_reg(LTR559_ALS_CONTR, MODE_ALS_ON_Range3); break; case ALS_RANGE_8K: error = ltr559_i2c_write_reg(LTR559_ALS_CONTR, MODE_ALS_ON_Range4); break; case ALS_RANGE_1300: error = ltr559_i2c_write_reg(LTR559_ALS_CONTR, MODE_ALS_ON_Range5); break;

case ALS_RANGE_600: error = ltr559_i2c_write_reg(LTR559_ALS_CONTR, MODE_ALS_ON_Range6); break; default: error = ltr559_i2c_write_reg(LTR559_ALS_CONTR, MODE_ALS_ON_Range1); APS_ERR("proxmy sensor gainrange %d!\n", gainrange); break; } ltr559_i2c_read_reg(LTR559_ALS_CONTR);

mdelay(WAKEUP_DELAY);

alsval_ch1_lo = ltr559_i2c_read_reg(LTR559_ALS_DATA_CH1_0); alsval_ch1_hi = ltr559_i2c_read_reg(LTR559_ALS_DATA_CH1_1); alsval_ch1 = (alsval_ch1_hi * 256) + alsval_ch1_lo; APS_DBG("enable alsval_ch1_lo = %d,alsval_ch1_hi=%d,alsval_ch1=%d\n",alsval_ch1_lo,alsval_ch1_hi,alsval_ch1); alsval_ch0_lo = ltr559_i2c_read_reg(LTR559_ALS_DATA_CH0_0); alsval_ch0_hi = ltr559_i2c_read_reg(LTR559_ALS_DATA_CH0_1); alsval_ch0 = (alsval_ch0_hi * 256) + alsval_ch0_lo; APS_DBG("enable alsval_ch0_lo = %d,alsval_ch0_hi=%d,alsval_ch0=%d\n",alsval_ch0_lo,alsval_ch0_hi,alsval_ch0);

if(error<0) APS_LOG("ltr559_als_enable ...ERROR\n"); else APS_LOG("ltr559_als_enable ...OK\n"); return error; }

// Put ALS into Standby mode static int ltr559_als_disable(void) { int error; error = ltr559_i2c_write_reg(LTR559_ALS_CONTR, MODE_ALS_StdBy); if(error<0) APS_LOG("ltr559_als_disable ...ERROR\n"); else APS_LOG("ltr559_als_disable ...OK\n"); return error; }

static int ltr559_als_read(int gainrange) { int alsval_ch0_lo, alsval_ch0_hi, alsval_ch0; int alsval_ch1_lo, alsval_ch1_hi, alsval_ch1; int luxdata_int = -1; int ratio; int als_zero_try=0;

als_data_try:

alsval_ch1_lo = ltr559_i2c_read_reg(LTR559_ALS_DATA_CH1_0); alsval_ch1_hi = ltr559_i2c_read_reg(LTR559_ALS_DATA_CH1_1); alsval_ch1 = (alsval_ch1_hi * 256) + alsval_ch1_lo; APS_DBG("alsval_ch1_lo = %d,alsval_ch1_hi=%d,alsval_ch1=%d\n",alsval_ch1_lo,alsval_ch1_hi,alsval_ch1); alsval_ch0_lo = ltr559_i2c_read_reg(LTR559_ALS_DATA_CH0_0); alsval_ch0_hi = ltr559_i2c_read_reg(LTR559_ALS_DATA_CH0_1); alsval_ch0 = (alsval_ch0_hi * 256) + alsval_ch0_lo; APS_DBG("alsval_ch0_lo = %d,alsval_ch0_hi=%d,alsval_ch0=%d\n",alsval_ch0_lo,alsval_ch0_hi,alsval_ch0);

if((alsval_ch1==0)||(alsval_ch0==0)) { ratio=100; }else{ ratio = (alsval_ch1*100) /(alsval_ch0+alsval_ch1); } APS_DBG("ratio = %d gainrange = %d\n",ratio,gainrange); if (ratio < 45){ luxdata_int = (((17743 * alsval_ch0)+(11059 * alsval_ch1)))/10000; } else if ((ratio < 64) && (ratio >= 45)){ luxdata_int = (((42785 * alsval_ch0)-(19548 * alsval_ch1)))/10000; } else if ((ratio < 100) && (ratio >= 64)) { luxdata_int = (((5926 * alsval_ch0)+(1185 * alsval_ch1)))/10000; } else { luxdata_int = 0; #if 1 als_zero_try++; if(als_zero_try < 2){ APS_DBG("als=0, try to find whether is enable for first time.\n"); mdelay(20); goto als_data_try; }else{ APS_DBG("als=0.zifan!!!!!!!\n"); } #endif

} APS_DBG("als_value_lux = %d\n", luxdata_int); return luxdata_int;

err: final_lux_val = luxdata_int; APS_DBG("err als_value_lux = 0x%x\n", luxdata_int); return luxdata_int; }

/*----------------------------------------------------------------------------*/ int ltr559_get_addr(struct alsps_hw *hw, struct ltr559_i2c_addr *addr) { /*** if(!hw || !addr) { return -EFAULT; } addr->write_addr= hw->i2c_addr[0]; ***/ return 0; }

/*-----------------------------------------------------------------------------*/ void ltr559_eint_func(void) { APS_FUN();

struct ltr559_priv *obj = ltr559_obj; if(!obj) { return; } schedule_work(&obj->eint_work); //schedule_delayed_work(&obj->eint_work); }

/*----------------------------------------------------------------------------*/ /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ int ltr559_setup_eint(struct i2c_client *client) { APS_FUN(); struct ltr559_priv *obj = (struct ltr559_priv *)i2c_get_clientdata(client);

ltr559_obj = obj; mt_set_gpio_dir(GPIO_ALS_EINT_PIN, GPIO_DIR_IN); mt_set_gpio_mode(GPIO_ALS_EINT_PIN, GPIO_ALS_EINT_PIN_M_EINT); mt_set_gpio_pull_enable(GPIO_ALS_EINT_PIN, TRUE); mt_set_gpio_pull_select(GPIO_ALS_EINT_PIN, GPIO_PULL_UP);

mt_eint_set_hw_debounce(CUST_EINT_ALS_NUM, CUST_EINT_ALS_DEBOUNCE_CN); mt_eint_registration(CUST_EINT_ALS_NUM, CUST_EINT_ALS_TYPE, ltr559_eint_func, 0); mt_eint_unmask(CUST_EINT_ALS_NUM); return 0; }

/*----------------------------------------------------------------------------*/ static void ltr559_power(struct alsps_hw *hw, unsigned int on) { static unsigned int power_on = 0;

//APS_LOG("power %s\n", on ? "on" : "off");

if(hw->power_id != POWER_NONE_MACRO) { if(power_on == on) { APS_LOG("ignore power control: %d\n", on); } else if(on) { if(!hwPowerOn(hw->power_id, hw->power_vol, "LTR559")) { APS_ERR("power on fails!!\n"); } } else { if(!hwPowerDown(hw->power_id, "LTR559")) { APS_ERR("power off fail!!\n"); } } } power_on = on; }

/*----------------------------------------------------------------------------*/ /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ static int ltr559_check_and_clear_intr(struct i2c_client *client) { //*** APS_FUN();

int res,intp,intl; u8 buffer[2]; u8 temp; //if (mt_get_gpio_in(GPIO_ALS_EINT_PIN) == 1) /*skip if no interrupt*/ // return 0; buffer[0] = LTR559_ALS_PS_STATUS; res = i2c_master_send(client, buffer, 0x1); if(res <= 0) { goto EXIT_ERR; } res = i2c_master_recv(client, buffer, 0x1); if(res <= 0) { goto EXIT_ERR; } temp = buffer[0]; res = 1; intp = 0; intl = 0; if(0 != (buffer[0] & 0x02)) { res = 0; intp = 1; } if(0 != (buffer[0] & 0x08)) { res = 0; intl = 1; } if(0 == res) { if((1 == intp) && (0 == intl)) { buffer[1] = buffer[0] & 0xfD; } else if((0 == intp) && (1 == intl)) { buffer[1] = buffer[0] & 0xf7; } else { buffer[1] = buffer[0] & 0xf5; } buffer[0] = LTR559_ALS_PS_STATUS ; res = i2c_master_send(client, buffer, 0x2); if(res <= 0) { goto EXIT_ERR; } else { res = 0; } } return res; EXIT_ERR: APS_ERR("ltr559_check_and_clear_intr fail\n"); return 1;

} /*----------------------------------------------------------------------------*/

static int ltr559_check_intr(struct i2c_client *client) { APS_FUN();

int res,intp,intl; u8 buffer[2];

//if (mt_get_gpio_in(GPIO_ALS_EINT_PIN) == 1) /*skip if no interrupt*/ // return 0;

buffer[0] = LTR559_ALS_PS_STATUS; res = i2c_master_send(client, buffer, 0x1); if(res <= 0) { goto EXIT_ERR; } res = i2c_master_recv(client, buffer, 0x1); if(res <= 0) { goto EXIT_ERR; } res = 1; intp = 0; intl = 0; if(0 != (buffer[0] & 0x02)) { res = 0; //Ps int intp = 1; } if(0 != (buffer[0] & 0x08)) { res = 0; intl = 1; }

return res;

EXIT_ERR: APS_ERR("ltr559_check_intr fail\n"); return 1; }

static int ltr559_clear_intr(struct i2c_client *client) { int res; u8 buffer[2];

APS_FUN(); buffer[0] = LTR559_ALS_PS_STATUS; res = i2c_master_send(client, buffer, 0x1); if(res <= 0) { goto EXIT_ERR; } res = i2c_master_recv(client, buffer, 0x1); if(res <= 0) { goto EXIT_ERR; } APS_DBG("buffer[0] = %d \n",buffer[0]); buffer[1] = buffer[0] & 0x01; buffer[0] = LTR559_ALS_PS_STATUS ;

res = i2c_master_send(client, buffer, 0x2); if(res <= 0) { goto EXIT_ERR; } else { res = 0; }

return res;

EXIT_ERR: APS_ERR("ltr559_check_and_clear_intr fail\n"); return 1; }

//wisky-lxh@20150108 static int ltr559_init_device(void) { int error = 0;

error = ltr559_i2c_write_reg(LTR559_PS_LED, 0x7F); if(error<0) { APS_LOG("ltr559_ps_enable() error3...\n"); return error; } error = ltr559_i2c_write_reg(LTR559_PS_N_PULSES, 0x06); if(error<0) { APS_LOG("ltr559_ps_enable() error2\n"); return error; }

error = ltr559_i2c_write_reg(LTR559_ALS_MEAS_RATE, 0x08); if(error<0) { APS_LOG("ltr559_ps_enable() error2\n"); return error; }

error = ltr559_i2c_write_reg(LTR559_PS_MEAS_RATE, 0x01); if(error<0) { APS_LOG("ltr559_ps_enable() error2\n"); return error; }

error = ltr559_i2c_write_reg(LTR559_PS_THRES_UP_0, ps_trigger_high & 0xff); if(error<0) { APS_LOG("ltr559_ps_enable() error2\n"); return error; } error = ltr559_i2c_write_reg(LTR559_PS_THRES_UP_1, (ps_trigger_high>>8) & 0X07); if(error<0) { APS_LOG("ltr559_ps_enable() error2\n"); return error; } error = ltr559_i2c_write_reg(LTR559_PS_THRES_LOW_0, 0x0); if(error<0) { APS_LOG("ltr559_ps_enable() error2\n"); return error; } error = ltr559_i2c_write_reg(LTR559_PS_THRES_LOW_1, 0x0); if(error<0) { APS_LOG("ltr559_ps_enable() error2\n"); return error; }

mdelay(WAKEUP_DELAY);

return error;

} //end-wisky-lxh

static int ltr559_devinit(void) { int res; int init_ps_gain; int init_als_gain; u8 databuf[2];

struct i2c_client *client = ltr559_obj->client;

struct ltr559_priv *obj = ltr559_obj; mdelay(PON_DELAY);

//soft reset when device init add by steven databuf[0] = LTR559_ALS_CONTR; databuf[1] = 0x02; res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; }

/*for interrup work mode support */ if(0 == obj->hw->polling_mode_ps) { APS_LOG("eint enable"); ltr559_ps_set_thres(); databuf[0] = LTR559_INTERRUPT; databuf[1] = 0x01; res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; }

databuf[0] = LTR559_INTERRUPT_PERSIST; databuf[1] = 0x20; res = i2c_master_send(client, databuf, 0x2); if(res <= 0) { goto EXIT_ERR; return ltr559_ERR_I2C; }

}

if((res = ltr559_setup_eint(client))!=0) { APS_ERR("setup eint: %d\n", res); return res; } //wisky-lxh@20150108 res = ltr559_init_device(); if (res < 0) { APS_ERR("ltr559_init_devicet: %d\n", res); return res; } //end-wisky-lxh if((res = ltr559_check_and_clear_intr(client))) { APS_ERR("check/clear intr: %d\n", res); // return res; }

res = 0;

EXIT_ERR: APS_ERR("init dev: %d\n", res); return res;

} /*----------------------------------------------------------------------------*/

static int ltr559_get_als_value(struct ltr559_priv *obj, u16 als) { int idx; int invalid = 0; APS_DBG("als = %d\n",als); for(idx = 0; idx < obj->als_level_num; idx++) { if(als < obj->hw->als_level[idx]) { break; } } if(idx >= obj->als_value_num) { APS_ERR("exceed range\n"); idx = obj->als_value_num - 1; } if(1 == atomic_read(&obj->als_deb_on)) { unsigned long endt = atomic_read(&obj->als_deb_end); if(time_after(jiffies, endt)) { atomic_set(&obj->als_deb_on, 0); } if(1 == atomic_read(&obj->als_deb_on)) { invalid = 1; } }

if(!invalid) { APS_DBG("ALS: %05d => %05d\n", als, obj->hw->als_value[idx]); return obj->hw->als_value[idx]; } else { APS_ERR("ALS: %05d => %05d (-1)\n", als, obj->hw->als_value[idx]); return -1; } } /*----------------------------------------------------------------------------*/ static int ltr559_get_ps_value(struct ltr559_priv *obj, u16 ps) { int val, mask = atomic_read(&obj->ps_mask); int invalid = 0;

static int val_temp = 5; if((ps > atomic_read(&obj->ps_thd_val_high))) { val = 0; /*close*/ val_temp = 0; intr_flag_value = 1; } //else if((ps < atomic_read(&obj->ps_thd_val_low))&&(temp_ps[0] < atomic_read(&obj->ps_thd_val_low))) else if((ps < atomic_read(&obj->ps_thd_val_low))) { val = 5; /*far away*/ val_temp = 5; intr_flag_value = 0; } else val = val_temp; if(atomic_read(&obj->ps_suspend)) { invalid = 1; } else if(1 == atomic_read(&obj->ps_deb_on)) { unsigned long endt = atomic_read(&obj->ps_deb_end); if(time_after(jiffies, endt)) { atomic_set(&obj->ps_deb_on, 0); } if (1 == atomic_read(&obj->ps_deb_on)) { invalid = 1; } } else if (obj->als > 50000) { //invalid = 1; APS_DBG("ligh too high will result to failt proximiy\n"); return 1; /*far away*/ }

if(!invalid) { APS_DBG("PS: %05d => %05d\n", ps, val); return val; } else { return -1; } }

/*----------------------------------------------------------------------------*/

/*----------------------------------------------------------------------------*/ /*for interrup work mode support */ static void ltr559_eint_work(struct work_struct *work) { struct ltr559_priv *obj = (struct ltr559_priv *)container_of(work, struct ltr559_priv, eint_work); int err; hwm_sensor_data sensor_data; int temp_noise; // u8 buffer[1]; // u8 reg_value[1]; u8 databuf[2]; int res = 0; APS_FUN(); err = ltr559_check_intr(obj->client); if(err < 0) { APS_ERR("ltr559_eint_work check intrs: %d\n", err); } else { //get raw data obj->ps = ltr559_ps_read(); if(obj->ps < 0) { err = -1; return; } APS_DBG("ltr559_eint_work rawdata ps=%d als_ch0=%d!\n",obj->ps,obj->als); sensor_data.values[0] = ltr559_get_ps_value(obj, obj->ps); //sensor_data.values[1] = obj->ps; sensor_data.value_divide = 1; sensor_data.status = SENSOR_STATUS_ACCURACY_MEDIUM; /*singal interrupt function add*/ APS_DBG("intr_flag_value=%d\n",intr_flag_value); if(intr_flag_value){ APS_DBG(" interrupt value ps will < ps_threshold_low");

databuf[0] = LTR559_PS_THRES_LOW_0; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_low)) & 0x00FF); res = i2c_master_send(obj->client, databuf, 0x2); if(res <= 0) { return; } databuf[0] = LTR559_PS_THRES_LOW_1; databuf[1] = (u8)(((atomic_read(&obj->ps_thd_val_low)) & 0xFF00) >> 8); res = i2c_master_send(obj->client, databuf, 0x2); if(res <= 0) { return; } databuf[0] = LTR559_PS_THRES_UP_0; databuf[1] = (u8)(0x00FF); res = i2c_master_send(obj->client, databuf, 0x2); if(res <= 0) { return; } databuf[0] = LTR559_PS_THRES_UP_1; databuf[1] = (u8)((0xFF00) >> 8);; res = i2c_master_send(obj->client, databuf, 0x2); //APS_DBG("obj->ps_thd_val_low=%ld !\n",obj->ps_thd_val_low); if(res <= 0) { return; } } else{ //if(obj->ps > 20 && obj->ps < (dynamic_calibrate - 50)){ //wangxiqiang //if(obj->ps > 20){ if(obj->ps < 100){ atomic_set(&obj->ps_thd_val_high, obj->ps+80); atomic_set(&obj->ps_thd_val_low, obj->ps+60); }else if(obj->ps < 200){ atomic_set(&obj->ps_thd_val_high, obj->ps+100); atomic_set(&obj->ps_thd_val_low, obj->ps+80); }else if(obj->ps < 300){ atomic_set(&obj->ps_thd_val_high, obj->ps+100); atomic_set(&obj->ps_thd_val_low, obj->ps+80); }else if(obj->ps < 400){ atomic_set(&obj->ps_thd_val_high, obj->ps+100); atomic_set(&obj->ps_thd_val_low, obj->ps+80); }else if(obj->ps < 600){ atomic_set(&obj->ps_thd_val_high, obj->ps+180); atomic_set(&obj->ps_thd_val_low, obj->ps+90); }else if(obj->ps < 1000){ atomic_set(&obj->ps_thd_val_high, obj->ps+300); atomic_set(&obj->ps_thd_val_low, obj->ps+180); }else if(obj->ps < 1250){ atomic_set(&obj->ps_thd_val_high, obj->ps+400); atomic_set(&obj->ps_thd_val_low, obj->ps+300); } else{ atomic_set(&obj->ps_thd_val_high, 1300); atomic_set(&obj->ps_thd_val_low, 1000); printk(KERN_ERR "ltr559 the proximity sensor structure is error\n"); } dynamic_calibrate = obj->ps;

//}

if(obj->ps > 50){ temp_noise = obj->ps - 50; }else{ temp_noise = 0; }

//wake_lock_timeout(&ps_wake_lock,ps_wakeup_timeout*HZ); databuf[0] = LTR559_PS_THRES_LOW_0; databuf[1] = (u8)(0 & 0x00FF);//get the noise one time res = i2c_master_send(obj->client, databuf, 0x2); if(res <= 0) { return; } databuf[0] = LTR559_PS_THRES_LOW_1; databuf[1] = (u8)((0 & 0xFF00) >> 8); res = i2c_master_send(obj->client, databuf, 0x2); if(res <= 0) { return; } databuf[0] = LTR559_PS_THRES_UP_0; databuf[1] = (u8)((atomic_read(&obj->ps_thd_val_high)) & 0x00FF); res = i2c_master_send(obj->client, databuf, 0x2); if(res <= 0) { return; } databuf[0] = LTR559_PS_THRES_UP_1; databuf[1] = (u8)(((atomic_read(&obj->ps_thd_val_high)) & 0xFF00) >> 8);; res = i2c_master_send(obj->client, databuf, 0x2); // APS_DBG("obj->ps_thd_val_high=%ld !\n",obj->ps_thd_val_high); if(res <= 0) { return; } } sensor_data.value_divide = 1; sensor_data.status = SENSOR_STATUS_ACCURACY_MEDIUM; //let up layer to know if((err = hwmsen_get_interrupt_data(ID_PROXIMITY, &sensor_data))) { APS_ERR("call hwmsen_get_interrupt_data fail = %d\n", err); } } ltr559_clear_intr(obj->client); mt_eint_unmask(CUST_EINT_ALS_NUM); }

/****************************************************************************** * Function Configuration ******************************************************************************/ static int ltr559_open(struct inode *inode, struct file *file) { file->private_data = ltr559_i2c_client;

if (!file->private_data) { APS_ERR("null pointer!!\n"); return -EINVAL; } return nonseekable_open(inode, file); } /*----------------------------------------------------------------------------*/ static int ltr559_release(struct inode *inode, struct file *file) { file->private_data = NULL; return 0; } /*----------------------------------------------------------------------------*/

static int ltr559_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct i2c_client *client = (struct i2c_client*)file->private_data; struct ltr559_priv *obj = i2c_get_clientdata(client); int err = 0; void __user *ptr = (void __user*) arg; int dat; uint32_t enable; APS_DBG("ltr559_unlocked_ioctl cmd= %d\n", cmd); switch (cmd) { case ALSPS_SET_PS_MODE: if(copy_from_user(&enable, ptr, sizeof(enable))) { err = -EFAULT; goto err_out; } if(enable) { err = ltr559_ps_enable(ps_gainrange); if(err < 0) { APS_ERR("enable ps fail: %d\n", err); goto err_out; } set_bit(CMC_BIT_PS, &obj->enable); } else { err = ltr559_ps_disable(); if(err < 0) { APS_ERR("disable ps fail: %d\n", err); goto err_out; } clear_bit(CMC_BIT_PS, &obj->enable); } break;

case ALSPS_GET_PS_MODE: enable = test_bit(CMC_BIT_PS, &obj->enable) ? (1) : (0); if(copy_to_user(ptr, &enable, sizeof(enable))) { err = -EFAULT; goto err_out; } break;

case ALSPS_GET_PS_DATA: APS_DBG("ALSPS_GET_PS_DATA\n"); obj->ps = ltr559_ps_read(); if(obj->ps < 0) { goto err_out; } dat = ltr559_get_ps_value(obj, obj->ps); if(copy_to_user(ptr, &dat, sizeof(dat))) { err = -EFAULT; goto err_out; } break;

case ALSPS_GET_PS_RAW_DATA: #if 1 obj->ps = ltr559_ps_read(); if(obj->ps < 0) { goto err_out; } dat = obj->ps; #endif

//dat = prox_val; //read static variate if(copy_to_user(ptr, &dat, sizeof(dat))) { err = -EFAULT; goto err_out; } break;

case ALSPS_SET_ALS_MODE: if(copy_from_user(&enable, ptr, sizeof(enable))) { err = -EFAULT; goto err_out; } if(enable) { err = ltr559_als_enable(als_gainrange); if(err < 0) { APS_ERR("enable als fail: %d\n", err); goto err_out; } set_bit(CMC_BIT_ALS, &obj->enable); } else { err = ltr559_als_disable(); if(err < 0) { APS_ERR("disable als fail: %d\n", err); goto err_out; } clear_bit(CMC_BIT_ALS, &obj->enable); } break;

case ALSPS_GET_ALS_MODE: enable = test_bit(CMC_BIT_ALS, &obj->enable) ? (1) : (0); if(copy_to_user(ptr, &enable, sizeof(enable))) { err = -EFAULT; goto err_out; } break;

case ALSPS_GET_ALS_DATA: obj->als = ltr559_als_read(als_gainrange); if(obj->als < 0) { goto err_out; }

dat = ltr559_get_als_value(obj, obj->als); if(copy_to_user(ptr, &dat, sizeof(dat))) { err = -EFAULT; goto err_out; } break;

case ALSPS_GET_ALS_RAW_DATA: obj->als = ltr559_als_read(als_gainrange); if(obj->als < 0) { goto err_out; }

dat = obj->als; if(copy_to_user(ptr, &dat, sizeof(dat))) { err = -EFAULT; goto err_out; } break;

default: APS_ERR("%s not supported = 0x%04x", __FUNCTION__, cmd); err = -ENOIOCTLCMD; break; }

err_out: return err; }

/*----------------------------------------------------------------------------*/ static struct file_operations ltr559_fops = { //.owner = THIS_MODULE, .open = ltr559_open, .release = ltr559_release, .unlocked_ioctl = ltr559_unlocked_ioctl, }; /*----------------------------------------------------------------------------*/ static struct miscdevice ltr559_device = { .minor = MISC_DYNAMIC_MINOR, .name = "als_ps", .fops = &ltr559_fops, };

static int ltr559_i2c_suspend(struct i2c_client *client, pm_message_t msg) { struct ltr559_priv *obj = i2c_get_clientdata(client); int err; APS_FUN();

if(msg.event == PM_EVENT_SUSPEND) { if(!obj) { APS_ERR("null pointer!!\n"); return -EINVAL; } atomic_set(&obj->als_suspend, 1); err = ltr559_als_disable(); if(err < 0) { APS_ERR("disable als: %d\n", err); return err; }

#if 0 //suspend not need ps suspend not need power down atomic_set(&obj->ps_suspend, 1); err = ltr559_ps_disable(); if(err < 0) { APS_ERR("disable ps: %d\n", err); return err; } ltr559_power(obj->hw, 0);

#endif } return 0; } /*----------------------------------------------------------------------------*/ static int ltr559_i2c_resume(struct i2c_client *client) { struct ltr559_priv *obj = i2c_get_clientdata(client); int err; err = 0; APS_FUN();

if(!obj) { APS_ERR("null pointer!!\n"); return -EINVAL; }

ltr559_power(obj->hw, 1); /* err = ltr559_devinit(); if(err < 0) { APS_ERR("initialize client fail!!\n"); return err; }*/ atomic_set(&obj->als_suspend, 0); if(test_bit(CMC_BIT_ALS, &obj->enable)) { err = ltr559_als_enable(als_gainrange); if (err < 0) { APS_ERR("enable als fail: %d\n", err); } } //atomic_set(&obj->ps_suspend, 0); if(test_bit(CMC_BIT_PS, &obj->enable)) { //err = ltr559_ps_enable(ps_gainrange); if (err < 0) { APS_ERR("enable ps fail: %d\n", err); } }

return 0; }

static void ltr559_early_suspend(struct early_suspend *h) { /*early_suspend is only applied for ALS*/ struct ltr559_priv *obj = container_of(h, struct ltr559_priv, early_drv); int err; APS_FUN();

if(!obj) { APS_ERR("null pointer!!\n"); return; } atomic_set(&obj->als_suspend, 1); err = ltr559_als_disable(); if(err < 0) { APS_ERR("disable als fail: %d\n", err); } }

static void ltr559_late_resume(struct early_suspend *h) { /*early_suspend is only applied for ALS*/ struct ltr559_priv *obj = container_of(h, struct ltr559_priv, early_drv); int err; APS_FUN();

if(!obj) { APS_ERR("null pointer!!\n"); return; }

atomic_set(&obj->als_suspend, 0); if(test_bit(CMC_BIT_ALS, &obj->enable)) { err = ltr559_als_enable(als_gainrange); if(err < 0) { APS_ERR("enable als fail: %d\n", err);

} } }

int ltr559_ps_operate(void* self, uint32_t command, void* buff_in, int size_in, void* buff_out, int size_out, int* actualout) { int err = 0; int value; hwm_sensor_data* sensor_data; struct ltr559_priv *obj = (struct ltr559_priv *)self; switch (command) { case SENSOR_DELAY: if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Set delay parameter error!\n"); err = -EINVAL; } // Do nothing break;

case SENSOR_ENABLE: if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Enable sensor parameter error!\n"); err = -EINVAL; } else { value = *(int *)buff_in; if(value) { err = ltr559_ps_enable(ps_gainrange); if(err < 0) { APS_ERR("enable ps fail: %d\n", err); return -1; } set_bit(CMC_BIT_PS, &obj->enable); } else { err = ltr559_ps_disable(); if(err < 0) { APS_ERR("disable ps fail: %d\n", err); return -1; } clear_bit(CMC_BIT_PS, &obj->enable); } } break;

case SENSOR_GET_DATA: if((buff_out == NULL) || (size_out< sizeof(hwm_sensor_data))) { APS_ERR("get sensor data parameter error!\n"); err = -EINVAL; } else { APS_ERR("get sensor ps data !\n"); sensor_data = (hwm_sensor_data *)buff_out; obj->ps = ltr559_ps_read(); if(obj->ps < 0) { err = -1; break; } sensor_data->values[0] = ltr559_get_ps_value(obj, obj->ps); //sensor_data->values[1] = obj->ps; //steven polling mode *#*#3646633#*#* sensor_data->value_divide = 1; sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; } break; default: APS_ERR("proxmy sensor operate function no this parameter %d!\n", command); err = -1; break; } return err; }

int ltr559_als_operate(void* self, uint32_t command, void* buff_in, int size_in, void* buff_out, int size_out, int* actualout) { int err = 0; int value; hwm_sensor_data* sensor_data; struct ltr559_priv *obj = (struct ltr559_priv *)self;

switch (command) { case SENSOR_DELAY: if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Set delay parameter error!\n"); err = -EINVAL; } // Do nothing break;

case SENSOR_ENABLE: if((buff_in == NULL) || (size_in < sizeof(int))) { APS_ERR("Enable sensor parameter error!\n"); err = -EINVAL; } else { value = *(int *)buff_in; if(value) { err = ltr559_als_enable(als_gainrange); if(err < 0) { APS_ERR("enable als fail: %d\n", err); return -1; } set_bit(CMC_BIT_ALS, &obj->enable); } else { err = ltr559_als_disable(); if(err < 0) { APS_ERR("disable als fail: %d\n", err); return -1; } clear_bit(CMC_BIT_ALS, &obj->enable); } } break;

case SENSOR_GET_DATA: if((buff_out == NULL) || (size_out< sizeof(hwm_sensor_data))) { APS_ERR("get sensor data parameter error!\n"); err = -EINVAL; } else { APS_ERR("get sensor als data !\n"); sensor_data = (hwm_sensor_data *)buff_out; obj->als = ltr559_als_read(als_gainrange); #if defined(MTK_AAL_SUPPORT) sensor_data->values[0] = ltr559_get_als_value(obj, obj->als);//wisky-lxh@20150206 #else sensor_data->values[0] = ltr559_get_als_value(obj, obj->als); #endif sensor_data->value_divide = 1; sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; } break; default: APS_ERR("light sensor operate function no this parameter %d!\n", command); err = -1; break; } return err; }

/*----------------------------------------------------------------------------*/ static int ltr559_i2c_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) { strcpy(info->type, LTR559_DEV_NAME); return 0; }

/*----------------------------------------------------------------------------*/ static int ltr559_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct ltr559_priv *obj; struct hwmsen_object obj_ps, obj_als; int err = 0;

if(!(obj = kzalloc(sizeof(*obj), GFP_KERNEL))) { err = -ENOMEM; goto exit; } memset(obj, 0, sizeof(*obj)); ltr559_obj = obj;

obj->hw = get_cust_alsps_hw(); ltr559_get_addr(obj->hw, &obj->addr);

INIT_WORK(&obj->eint_work, ltr559_eint_work); obj->client = client; i2c_set_clientdata(client, obj); atomic_set(&obj->als_debounce, 300); atomic_set(&obj->als_deb_on, 0); atomic_set(&obj->als_deb_end, 0); atomic_set(&obj->ps_debounce, 300); atomic_set(&obj->ps_deb_on, 0); atomic_set(&obj->ps_deb_end, 0); atomic_set(&obj->ps_mask, 0); atomic_set(&obj->als_suspend, 0); atomic_set(&obj->ps_thd_val_high, obj->hw->ps_threshold_high); atomic_set(&obj->ps_thd_val_low, obj->hw->ps_threshold_low); //atomic_set(&obj->als_cmd_val, 0xDF); //atomic_set(&obj->ps_cmd_val, 0xC1); atomic_set(&obj->ps_thd_val, obj->hw->ps_threshold); obj->enable = 0; obj->pending_intr = 0; obj->als_level_num = sizeof(obj->hw->als_level)/sizeof(obj->hw->als_level[0]); obj->als_value_num = sizeof(obj->hw->als_value)/sizeof(obj->hw->als_value[0]); obj->als_modulus = (400*100)/(16*150);//(1/Gain)*(400/Tine), this value is fix after init ATIME and CONTROL register value //(400)/16*2.72 here is amplify *100 BUG_ON(sizeof(obj->als_level) != sizeof(obj->hw->als_level)); memcpy(obj->als_level, obj->hw->als_level, sizeof(obj->als_level)); BUG_ON(sizeof(obj->als_value) != sizeof(obj->hw->als_value)); memcpy(obj->als_value, obj->hw->als_value, sizeof(obj->als_value)); atomic_set(&obj->i2c_retry, 3); set_bit(CMC_BIT_ALS, &obj->enable); set_bit(CMC_BIT_PS, &obj->enable);

APS_LOG("ltr559_devinit() start...!\n"); ltr559_i2c_client = client;

if(err = ltr559_devinit()) { goto exit_init_failed; } APS_LOG("ltr559_devinit() ...OK!\n");

//printk("@@@@@@ manufacturer value:%x\n",ltr559_i2c_read_reg(0x87));

if(err = misc_register(&ltr559_device)) { APS_ERR("ltr559_device register failed\n"); goto exit_misc_device_register_failed; }

/* Register sysfs attribute */ if(err = ltr559_create_attr(&ltr559_alsps_driver.driver)) { printk(KERN_ERR "create attribute err = %d\n", err); goto exit_create_attr_failed; }

obj_ps.self = ltr559_obj; /*for interrup work mode support -- by liaoxl.lenovo 12.08.2011*/ if(1 == obj->hw->polling_mode_ps) { obj_ps.polling = 1; } else { obj_ps.polling = 0; } obj_ps.sensor_operate = ltr559_ps_operate; if(err = hwmsen_attach(ID_PROXIMITY, &obj_ps)) { APS_ERR("attach fail = %d\n", err); goto exit_create_attr_failed; } obj_als.self = ltr559_obj; obj_als.polling = 1; obj_als.sensor_operate = ltr559_als_operate; if(err = hwmsen_attach(ID_LIGHT, &obj_als)) { APS_ERR("attach fail = %d\n", err); goto exit_create_attr_failed; }

#if defined(CONFIG_HAS_EARLYSUSPEND) obj->early_drv.level = EARLY_SUSPEND_LEVEL_DISABLE_FB - 1, obj->early_drv.suspend = ltr559_early_suspend, obj->early_drv.resume = ltr559_late_resume, register_early_suspend(&obj->early_drv); #endif

APS_LOG("%s: OK\n", __func__); return 0; exit_create_attr_failed: misc_deregister(&ltr559_device); exit_misc_device_register_failed: exit_init_failed: //i2c_detach_client(client); exit_kfree: kfree(obj); exit: ltr559_i2c_client = NULL; // MT6516_EINTIRQMask(CUST_EINT_ALS_NUM); /*mask interrupt if fail*/ APS_ERR("%s: err = %d\n", __func__, err); return err; }

/*----------------------------------------------------------------------------*/

static int ltr559_i2c_remove(struct i2c_client *client) { int err; if(err = ltr559_delete_attr(&ltr559_i2c_driver.driver)) { APS_ERR("ltr559_delete_attr fail: %d\n", err); }

if(err = misc_deregister(&ltr559_device)) { APS_ERR("misc_deregister fail: %d\n", err); } ltr559_i2c_client = NULL; i2c_unregister_device(client); kfree(i2c_get_clientdata(client));

return 0; } /*----------------------------------------------------------------------------*/ static int ltr559_probe(struct platform_device *pdev) { struct alsps_hw *hw = get_cust_alsps_hw();

ltr559_power(hw, 1); //ltr559_force[0] = hw->i2c_num; //ltr559_force[1] = hw->i2c_addr[0]; //APS_DBG("I2C = %d, addr =0x%x\n",ltr559_force[0],ltr559_force[1]); if(i2c_add_driver(&ltr559_i2c_driver)) { APS_ERR("add driver error\n"); return -1; } return 0; } /*----------------------------------------------------------------------------*/ static int ltr559_remove(struct platform_device *pdev) { struct alsps_hw *hw = get_cust_alsps_hw(); APS_FUN(); ltr559_power(hw, 0); i2c_del_driver(&ltr559_i2c_driver); return 0; } /*----------------------------------------------------------------------------*/

#ifdef CONFIG_OF static const struct of_device_id alsps_of_match[] = { { .compatible = "mediatek,als_ps", }, {}, }; #endif

static struct platform_driver ltr559_alsps_driver = { .probe = ltr559_probe, .remove = ltr559_remove, .driver = { .name = "als_ps", .owner = THIS_MODULE, #ifdef CONFIG_OF .of_match_table = alsps_of_match, #endif } };

#ifdef CONFIG_OF static struct platform_device ltr559_alsps_device={ .name="als_ps", .id=-1 }; #endif

/*----------------------------------------------------------------------------*/ static int __init ltr559_init(void) { struct alsps_hw *hw = get_cust_alsps_hw(); APS_FUN(); i2c_register_board_info(hw->i2c_num, &i2c_ltr559, 1);

if(platform_driver_register(&ltr559_alsps_driver)) { APS_ERR("failed to register driver"); return -ENODEV; } return 0; } /*----------------------------------------------------------------------------*/ static void __exit ltr559_exit(void) { APS_FUN(); platform_driver_unregister(&ltr559_alsps_driver); } /*----------------------------------------------------------------------------*/ module_init(ltr559_init); module_exit(ltr559_exit); /*----------------------------------------------------------------------------*/ MODULE_AUTHOR("XX Xx"); MODULE_DESCRIPTION("LTR-559ALS Driver"); MODULE_LICENSE("GPL");

gt9xx_driver.c_old:

#include "tpd.h" #include "tpd_custom_gt9xx.h"

#ifndef TPD_NO_GPIO #include "cust_gpio_usage.h" #endif #ifdef TPD_PROXIMITY #include <linux/hwmsensor.h> #include <linux/hwmsen_dev.h> #include <linux/sensors_io.h> #endif

#ifdef CONFIG_OF_TOUCH #include <linux/of.h> #include <linux/of_irq.h> #endif

#if GTP_SUPPORT_I2C_DMA #include <linux/dma-mapping.h> #endif

#ifdef CONFIG_OF_TOUCH static int irq_flag; static unsigned int touch_irq = 0; #endif

extern char tp_info[20];

extern struct tpd_device *tpd; extern u8 gtp_loading_fw;

int p_gesture_control = 0;

static int tpd_flag = 0; int tpd_halt = 0; static struct task_struct *thread = NULL; static DECLARE_WAIT_QUEUE_HEAD(waiter);

#ifdef TPD_HAVE_BUTTON static int tpd_keys_local[TPD_KEY_COUNT] = TPD_KEYS; static int tpd_keys_dim_local[TPD_KEY_COUNT][4] = TPD_KEYS_DIM; #endif

#if GTP_GESTURE_WAKEUP typedef enum { DOZE_DISABLED = 0, DOZE_ENABLED = 1, DOZE_WAKEUP = 2, }DOZE_T; static DOZE_T doze_status = DOZE_DISABLED; static s8 gtp_enter_doze(struct i2c_client *client); #endif

#if GTP_COVER_CONTROL static RAW_NOTIFIER_HEAD(cover_chain); #endif

#if GTP_P_GESTURE_CONTROL static RAW_NOTIFIER_HEAD(gesture_chain); #endif

struct device *mx_tsp; //add by chen for MX gesture

#if GTP_CHARGER_SWITCH #ifdef MT6573 #define CHR_CON0 (0xF7000000+0x2FA00) #else extern kal_bool upmu_is_chr_det(void); #endif static void gtp_charger_switch(s32 dir_update); #endif

#if GTP_HAVE_TOUCH_KEY const u16 touch_key_array[] = GTP_KEY_TAB; #define GTP_MAX_KEY_NUM ( sizeof( touch_key_array )/sizeof( touch_key_array[0] ) ) #endif

#if (defined(TPD_WARP_START) && defined(TPD_WARP_END)) static int tpd_wb_start_local[TPD_WARP_CNT] = TPD_WARP_START; static int tpd_wb_end_local[TPD_WARP_CNT] = TPD_WARP_END; #endif

#if (defined(TPD_HAVE_CALIBRATION) && !defined(TPD_CUSTOM_CALIBRATION)) //static int tpd_calmat_local[8] = TPD_CALIBRATION_MATRIX; static int tpd_def_calmat_local[8] = TPD_CALIBRATION_MATRIX; #endif

#if GTP_SUPPORT_I2C_DMA s32 i2c_dma_write(struct i2c_client *client, u16 addr, u8 *txbuf, s32 len); s32 i2c_dma_read(struct i2c_client *client, u16 addr, u8 *rxbuf, s32 len);

static u8 *gpDMABuf_va = NULL; static dma_addr_t gpDMABuf_pa = 0; #endif

s32 gtp_send_cfg(struct i2c_client *client);

#if GTP_COVER_CONTROL s32 gtp_send_cfg_cover(struct i2c_client *client); #endif

void gtp_reset_guitar(struct i2c_client *client, s32 ms);

#ifdef CONFIG_OF_TOUCH static irqreturn_t tpd_eint_interrupt_handler(unsigned irq, struct irq_desc *desc); #else static void tpd_eint_interrupt_handler(void); #endif

static int touch_event_handler(void *unused); static int tpd_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); static int tpd_i2c_detect(struct i2c_client *client, struct i2c_board_info *info); static int tpd_i2c_remove(struct i2c_client *client); s32 gtp_i2c_read_dbl_check(struct i2c_client *client, u16 addr, u8 *rxbuf, int len);

#ifndef MT6572 extern void mt65xx_eint_set_hw_debounce(kal_uint8 eintno, kal_uint32 ms); extern kal_uint32 mt65xx_eint_set_sens(kal_uint8 eintno, kal_bool sens); extern void mt65xx_eint_registration(kal_uint8 eintno, kal_bool Dbounce_En, kal_bool ACT_Polarity, void (EINT_FUNC_PTR)(void), kal_bool auto_umask); #endif

#if GTP_CREATE_WR_NODE extern s32 init_wr_node(struct i2c_client *); extern void uninit_wr_node(void); #endif

#if (GTP_ESD_PROTECT || GTP_COMPATIBLE_MODE) static void force_reset_guitar(void); #endif

#if GTP_ESD_PROTECT static int clk_tick_cnt = 200; static struct delayed_work gtp_esd_check_work; static struct workqueue_struct *gtp_esd_check_workqueue = NULL; static s32 gtp_init_ext_watchdog(struct i2c_client *client); static void gtp_esd_check_func(struct work_struct *); void gtp_esd_switch(struct i2c_client *client, s32 on); u8 esd_running = 0; spinlock_t esd_lock; #endif

#ifdef TPD_PROXIMITY #define TPD_PROXIMITY_VALID_REG 0x814E #define TPD_PROXIMITY_ENABLE_REG 0x8042 static u8 tpd_proximity_flag = 0; static u8 tpd_proximity_detect = 1;//0-->close ; 1--> far away #endif

struct i2c_client *i2c_client_point = NULL; static const struct i2c_device_id tpd_i2c_id[] = {{"gt9xx", 0}, {}}; static unsigned short force[] = {0, 0xBA, I2C_CLIENT_END, I2C_CLIENT_END}; static const unsigned short *const forces[] = { force, NULL }; //static struct i2c_client_address_data addr_data = { .forces = forces,}; static struct i2c_board_info __initdata i2c_tpd = { I2C_BOARD_INFO("gt9xx", (0xBA >> 1))}; static struct i2c_driver tpd_i2c_driver = { .probe = tpd_i2c_probe, .remove = tpd_i2c_remove, .detect = tpd_i2c_detect, .driver.name = "gt9xx", .id_table = tpd_i2c_id, .address_list = (const unsigned short *) forces, };

static u8 config[GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH] = {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff}; #if GTP_CHARGER_SWITCH static u8 gtp_charger_config[GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH] = {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff}; #endif

#pragma pack(1) typedef struct { u16 pid; //product id // u16 vid; //version id // } st_tpd_info; #pragma pack()

st_tpd_info tpd_info; u8 int_type = 0; u32 abs_x_max = 0; u32 abs_y_max = 0; u8 gtp_rawdiff_mode = 0; u8 cfg_len = 0; u8 pnl_init_error = 0;

#if GTP_COVER_CONTROL static u8 config_cover[GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH] = {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff}; #if GTP_CHARGER_SWITCH static u8 gtp_charger_config_cover[GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH] = {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff}; #endif u8 cfg_cover_len = 0; u8 pnl_cover_init_error = 0; #endif

#if GTP_WITH_PEN struct input_dev *pen_dev; #endif

#if GTP_COMPATIBLE_MODE u8 driver_num = 0; u8 sensor_num = 0;

#if GTP_COVER_CONTROL u8 driver_num_cover = 0; u8 sensor_num_cover = 0; #endif

u8 gtp_ref_retries = 0; u8 gtp_clk_retries = 0; CHIP_TYPE_T gtp_chip_type = CHIP_TYPE_GT9; u8 rqst_processing = 0; u8 is_950 = 0;

extern u8 gup_check_fs_mounted(char *path_name); extern u8 gup_clk_calibration(void); extern s32 gup_fw_download_proc(void *dir, u8 dwn_mode); void gtp_get_chip_type(struct i2c_client *client); u8 gtp_fw_startup(struct i2c_client *client); static u8 gtp_bak_ref_proc(struct i2c_client *client, u8 mode); static u8 gtp_main_clk_proc(struct i2c_client *client); static void gtp_recovery_reset(struct i2c_client *client); #endif

/* proc file system */ s32 i2c_read_bytes(struct i2c_client *client, u16 addr, u8 *rxbuf, int len); s32 i2c_write_bytes(struct i2c_client *client, u16 addr, u8 *txbuf, int len);

static ssize_t gt91xx_config_read_proc(struct file *, char __user *, size_t, loff_t *); static ssize_t gt91xx_config_write_proc(struct file *, const char __user *, size_t, loff_t *);

static struct proc_dir_entry *gt91xx_config_proc = NULL; static const struct file_operations config_proc_ops = { .owner = THIS_MODULE, .read = gt91xx_config_read_proc, .write = gt91xx_config_write_proc, };

#define VELOCITY_CUSTOM #ifdef VELOCITY_CUSTOM #include <linux/device.h> #include <linux/miscdevice.h> #include <asm/uaccess.h>

#ifndef TPD_VELOCITY_CUSTOM_X #define TPD_VELOCITY_CUSTOM_X 10 #endif #ifndef TPD_VELOCITY_CUSTOM_Y #define TPD_VELOCITY_CUSTOM_Y 10 #endif

// for magnify velocity******************************************** #define TOUCH_IOC_MAGIC 'A'

#define TPD_GET_VELOCITY_CUSTOM_X _IO(TOUCH_IOC_MAGIC,0) #define TPD_GET_VELOCITY_CUSTOM_Y _IO(TOUCH_IOC_MAGIC,1)

int g_v_magnify_x = TPD_VELOCITY_CUSTOM_X; int g_v_magnify_y = TPD_VELOCITY_CUSTOM_Y;

#if GTP_COVER_CONTROL int register_cover_notifier(struct notifier_block *nb) { return raw_notifier_chain_register(&cover_chain, nb); }

int unregister_cover_notifier(struct notifier_block *nb) { return raw_notifier_chain_unregister(&cover_chain,nb); }

int cover_notifier_call_chain(unsigned long val, void *v) { return raw_notifier_call_chain(&cover_chain, val, v); } EXPORT_SYMBOL(cover_notifier_call_chain);

static int cover_event(struct notifier_block *this, unsigned long event, void *ptr) { GTP_DEBUG("cover_event event=%ld\n",event); if(event==0) { gtp_send_cfg(i2c_client_point); } else { gtp_send_cfg_cover(i2c_client_point); } return 0; }

static struct notifier_block cover_notifier1 = { .notifier_call = cover_event, }; #endif

#if GTP_P_GESTURE_CONTROL int register_gesture_notifier(struct notifier_block *nb) { return raw_notifier_chain_register(&gesture_chain, nb); }

int unregister_gesture_notifier(struct notifier_block *nb) { return raw_notifier_chain_unregister(&gesture_chain,nb); }

int gesture_notifier_call_chain(unsigned long val, void *v) { return raw_notifier_call_chain(&gesture_chain, val, v); } EXPORT_SYMBOL(gesture_notifier_call_chain);

static int gesture_event(struct notifier_block *this, unsigned long event, void *ptr) { GTP_DEBUG("gesture_event event=%ld\n",event); if(event==0) { p_gesture_control = 0; } else { p_gesture_control = 1; } return 0; }

static struct notifier_block gesture_notifier1 = { .notifier_call = gesture_event, }; #endif

//add by chen for MX gesture u8 gesture_three_byte_one = 0; u8 gesture_three_byte_two = 0; u8 gesture_three_byte_three = 0; u8 gesture_three_byte_four = 0; int gesture_data=0; static ssize_t gesture_data_store(struct device* dev, struct device_attribute *attr, const char *buf, size_t count) { /* struct alsps_context *cxt = NULL; //int err =0; ALSPS_LOG("als_store_active buf=%s\n",buf); mutex_lock(&alsps_context_obj->alsps_op_mutex); cxt = alsps_context_obj;

if (!strncmp(buf, "1", 1)) { als_enable_data(1); } else if (!strncmp(buf, "0", 1)) { als_enable_data(0); } else { ALSPS_ERR(" alsps_store_active error !!\n"); } mutex_unlock(&alsps_context_obj->alsps_op_mutex); ALSPS_LOG(" alsps_store_active done\n"); return count; */ return 0; } /*----------------------------------------------------------------------------*/ static ssize_t gesture_data_show(struct device* dev, struct device_attribute *attr, char *buf) { /* struct alsps_context *cxt = NULL; int div = 0; cxt = alsps_context_obj; div=cxt->als_data.vender_div; ALSPS_LOG("als vender_div value: %d\n", div); return snprintf(buf, PAGE_SIZE, "%d\n", div); */ GTP_DEBUG("gesture_data_show gesture_data=%x\n",gesture_data); return snprintf(buf, PAGE_SIZE, "%d\n", gesture_data); }

static ssize_t gesture_control_node_store(struct device* dev, struct device_attribute *attr, const char *buf, size_t count) { u32 value,value1,value2; sscanf(buf, "%x", &value); value1 = value&0x000000ff; value2 = (value>>16)&0x000000ff; if(value2 == 1) { gesture_three_byte_one = value1; } else if(value2 == 2) { gesture_three_byte_two = value1; } else if(value2 == 3) { gesture_three_byte_three = value1; } else if(value2 == 4) { gesture_three_byte_four = value1; } GTP_DEBUG("gesture_three_byte_one=%x,gesture_three_byte_two=%x,gesture_three_byte_three=%x,gesture_three_byte_four=%x\n",gesture_three_byte_one,gesture_three_byte_two,gesture_three_byte_three,gesture_three_byte_four); return count; } /*----------------------------------------------------------------------------*/ static ssize_t gesture_control_node_show(struct device* dev, struct device_attribute *attr, char *buf) { return 0; }

static ssize_t gesture_control_store(struct device* dev, struct device_attribute *attr, const char *buf, size_t count) { if(buf[2] == 1) { gesture_three_byte_one = buf[0]; } else if(buf[2] == 2) { gesture_three_byte_two = buf[0]; } else if(buf[2] == 3) { gesture_three_byte_three = buf[0]; } else if(buf[2] == 4) { gesture_three_byte_four = buf[0]; } GTP_DEBUG("gesture_three_byte_one=%x,gesture_three_byte_two=%x,gesture_three_byte_three=%x,gesture_three_byte_four=%x\n",gesture_three_byte_one,gesture_three_byte_two,gesture_three_byte_three,gesture_three_byte_four); return count; } /*----------------------------------------------------------------------------*/ static ssize_t gesture_control_show(struct device* dev, struct device_attribute *attr, char *buf) { return 0; }

static ssize_t cover_control_store(struct device* dev, struct device_attribute *attr, const char *buf, size_t count) { u32 value = 0; u8 buf_value = buf[0]; sscanf(buf, "%d", &value); GTP_DEBUG("cover_control_store buf_value=%d,value=%d\n",buf_value,value); if(value==0) { gtp_send_cfg(i2c_client_point); } else { gtp_send_cfg_cover(i2c_client_point); } return 0; } /*----------------------------------------------------------------------------*/ static ssize_t cover_control_show(struct device* dev, struct device_attribute *attr, char *buf) { return 0; }

DEVICE_ATTR(gesture_data, S_IWUSR | S_IRUGO, gesture_data_show, gesture_data_store); DEVICE_ATTR(gesture_control_node, S_IWUSR | S_IRUGO, gesture_control_node_show, gesture_control_node_store); DEVICE_ATTR(cover_control, S_IWUSR | S_IRUGO, cover_control_show, cover_control_store); DEVICE_ATTR(gesture_control, S_IWUSR | S_IRUGO, gesture_control_show, gesture_control_store);

static struct attribute *gesture_attributes[] = { &dev_attr_gesture_data.attr, &dev_attr_gesture_control_node.attr, &dev_attr_gesture_control.attr, &dev_attr_cover_control.attr, NULL };

static struct attribute_group gesture_attribute_group = { .attrs = gesture_attributes }; //add end

static int tpd_misc_open(struct inode *inode, struct file *file) { return nonseekable_open(inode, file); }

static int tpd_misc_release(struct inode *inode, struct file *file) { return 0; }

static long tpd_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { //char strbuf[256]; void __user *data;

long err = 0;

if (_IOC_DIR(cmd) & _IOC_READ) { err = !access_ok(VERIFY_WRITE, (void __user *)arg, _IOC_SIZE(cmd)); } else if (_IOC_DIR(cmd) & _IOC_WRITE) { err = !access_ok(VERIFY_READ, (void __user *)arg, _IOC_SIZE(cmd)); }

if (err) { printk("tpd: access error: %08X, (%2d, %2d)\n", cmd, _IOC_DIR(cmd), _IOC_SIZE(cmd)); return -EFAULT; }

switch (cmd) { case TPD_GET_VELOCITY_CUSTOM_X: data = (void __user *) arg;

if (data == NULL) { err = -EINVAL; break; }

if (copy_to_user(data, &g_v_magnify_x, sizeof(g_v_magnify_x))) { err = -EFAULT; break; }

break;

case TPD_GET_VELOCITY_CUSTOM_Y: data = (void __user *) arg;

if (data == NULL) { err = -EINVAL; break; }

if (copy_to_user(data, &g_v_magnify_y, sizeof(g_v_magnify_y))) { err = -EFAULT; break; }

break;

default: printk("tpd: unknown IOCTL: 0x%08x\n", cmd); err = -ENOIOCTLCMD; break;

}

return err; }

static struct file_operations tpd_fops = { // .owner = THIS_MODULE, .open = tpd_misc_open, .release = tpd_misc_release, .unlocked_ioctl = tpd_unlocked_ioctl, }; /*----------------------------------------------------------------------------*/ static struct miscdevice tpd_misc_device = { .minor = MISC_DYNAMIC_MINOR, .name = "touch", .fops = &tpd_fops, };

//********************************************** #endif

static int tpd_i2c_detect(struct i2c_client *client, struct i2c_board_info *info) { strcpy(info->type, "mtk-tpd"); return 0; }

#ifdef TPD_PROXIMITY static s32 tpd_get_ps_value(void) { return tpd_proximity_detect; }

static s32 tpd_enable_ps(s32 enable) { u8 state; s32 ret = -1;

if (enable) { state = 1; tpd_proximity_flag = 1; GTP_INFO("TPD proximity function to be on."); } else { state = 0; tpd_proximity_flag = 0; GTP_INFO("TPD proximity function to be off."); }

ret = i2c_write_bytes(i2c_client_point, TPD_PROXIMITY_ENABLE_REG, &state, 1);

if (ret < 0) { GTP_ERROR("TPD %s proximity cmd failed.", state ? "enable" : "disable"); return ret; }

GTP_INFO("TPD proximity function %s success.", state ? "enable" : "disable"); return 0; }

s32 tpd_ps_operate(void *self, u32 command, void *buff_in, s32 size_in, void *buff_out, s32 size_out, s32 *actualout) { s32 err = 0; s32 value; hwm_sensor_data *sensor_data;

switch (command) { case SENSOR_DELAY: if ((buff_in == NULL) || (size_in < sizeof(int))) { GTP_ERROR("Set delay parameter error!"); err = -EINVAL; }

// Do nothing break;

case SENSOR_ENABLE: if ((buff_in == NULL) || (size_in < sizeof(int))) { GTP_ERROR("Enable sensor parameter error!"); err = -EINVAL; } else { value = *(int *)buff_in; err = tpd_enable_ps(value); }

break;

case SENSOR_GET_DATA: if ((buff_out == NULL) || (size_out < sizeof(hwm_sensor_data))) { GTP_ERROR("Get sensor data parameter error!"); err = -EINVAL; } else { sensor_data = (hwm_sensor_data *)buff_out; sensor_data->values[0] = tpd_get_ps_value(); sensor_data->value_divide = 1; sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; }

break;

default: GTP_ERROR("proxmy sensor operate function no this parameter %d!\n", command); err = -1; break; }

return err; } #endif

static ssize_t gt91xx_config_read_proc(struct file *file, char __user *page, size_t size, loff_t *ppos) { char *ptr = page; char temp_data[GTP_CONFIG_MAX_LENGTH + 2] = {0}; int i; if (*ppos) // CMD call again { return 0; } ptr += sprintf(ptr, "==== GT9XX config init value====\n");

for (i = 0 ; i < GTP_CONFIG_MAX_LENGTH ; i++) { ptr += sprintf(ptr, "0x%02X ", config[i + 2]);

if (i % 8 == 7) ptr += sprintf(ptr, "\n"); }

ptr += sprintf(ptr, "\n");

ptr += sprintf(ptr, "==== GT9XX config real value====\n"); i2c_read_bytes(i2c_client_point, GTP_REG_CONFIG_DATA, temp_data, GTP_CONFIG_MAX_LENGTH);

for (i = 0 ; i < GTP_CONFIG_MAX_LENGTH ; i++) { ptr += sprintf(ptr, "0x%02X ", temp_data[i]);

if (i % 8 == 7) ptr += sprintf(ptr, "\n"); } *ppos += ptr - page; return (ptr - page); }

static ssize_t gt91xx_config_write_proc(struct file *filp, const char __user *buffer, size_t count, loff_t *off) { s32 ret = 0;

GTP_DEBUG("write count %zd\n", count);

if (count > GTP_CONFIG_MAX_LENGTH) { GTP_ERROR("size not match [%d:%zd]\n", GTP_CONFIG_MAX_LENGTH, count); return -EFAULT; }

if (copy_from_user(&config[2], buffer, count)) { GTP_ERROR("copy from user fail\n"); return -EFAULT; }

ret = gtp_send_cfg(i2c_client_point); abs_x_max = (config[RESOLUTION_LOC + 1] << 8) + config[RESOLUTION_LOC]; abs_y_max = (config[RESOLUTION_LOC + 3] << 8) + config[RESOLUTION_LOC + 2]; int_type = (config[TRIGGER_LOC]) & 0x03;

if (ret < 0) { GTP_ERROR("send config failed."); }

return count; }

#if GTP_SUPPORT_I2C_DMA s32 i2c_dma_read(struct i2c_client *client, u16 addr, u8 *rxbuf, s32 len) { int ret; s32 retry = 0; u8 buffer[2];

struct i2c_msg msg[2] = { { .addr = (client->addr & I2C_MASK_FLAG), .flags = 0, .buf = buffer, .len = 2, .timing = I2C_MASTER_CLOCK }, { .addr = (client->addr & I2C_MASK_FLAG), .ext_flag = (client->ext_flag | I2C_ENEXT_FLAG | I2C_DMA_FLAG), .flags = I2C_M_RD, .buf = (u8*)gpDMABuf_pa, .len = len, .timing = I2C_MASTER_CLOCK }, }; buffer[0] = (addr >> 8) & 0xFF; buffer[1] = addr & 0xFF;

if (rxbuf == NULL) return -1;

//GTP_DEBUG("dma i2c read: 0x%04X, %d bytes(s)", addr, len); for (retry = 0; retry < 5; ++retry) { ret = i2c_transfer(client->adapter, &msg[0], 2); if (ret < 0) { continue; } memcpy(rxbuf, gpDMABuf_va, len); return 0; } GTP_ERROR("Dma I2C Read Error: 0x%04X, %d byte(s), err-code: %d", addr, len, ret); return ret; }

s32 i2c_dma_write(struct i2c_client *client, u16 addr, u8 *txbuf, s32 len) { int ret; s32 retry = 0; u8 *wr_buf = gpDMABuf_va; struct i2c_msg msg = { .addr = (client->addr & I2C_MASK_FLAG), .ext_flag = (client->ext_flag | I2C_ENEXT_FLAG | I2C_DMA_FLAG), .flags = 0, .buf = (u8*)gpDMABuf_pa, .len = 2 + len, .timing = I2C_MASTER_CLOCK }; wr_buf[0] = (u8)((addr >> 8) & 0xFF); wr_buf[1] = (u8)(addr & 0xFF);

if (txbuf == NULL) return -1; //GTP_DEBUG("dma i2c write: 0x%04X, %d bytes(s)", addr, len); memcpy(wr_buf+2, txbuf, len); for (retry = 0; retry < 5; ++retry) { ret = i2c_transfer(client->adapter, &msg, 1); if (ret < 0) { continue; } return 0; } GTP_ERROR("Dma I2C Write Error: 0x%04X, %d byte(s), err-code: %d", addr, len, ret); return ret; }

s32 i2c_read_bytes_dma(struct i2c_client *client, u16 addr, u8 *rxbuf, s32 len) { s32 left = len; s32 read_len = 0; u8 *rd_buf = rxbuf; s32 ret = 0; //GTP_DEBUG("Read bytes dma: 0x%04X, %d byte(s)", addr, len); while (left > 0) { if (left > GTP_DMA_MAX_TRANSACTION_LENGTH) { read_len = GTP_DMA_MAX_TRANSACTION_LENGTH; } else { read_len = left; } ret = i2c_dma_read(client, addr, rd_buf, read_len); if (ret < 0) { GTP_ERROR("dma read failed"); return -1; } left -= read_len; addr += read_len; rd_buf += read_len; } return 0; }

s32 i2c_write_bytes_dma(struct i2c_client *client, u16 addr, u8 *txbuf, s32 len) {

s32 ret = 0; s32 write_len = 0; s32 left = len; u8 *wr_buf = txbuf; //GTP_DEBUG("Write bytes dma: 0x%04X, %d byte(s)", addr, len); while (left > 0) { if (left > GTP_DMA_MAX_I2C_TRANSFER_SIZE) { write_len = GTP_DMA_MAX_I2C_TRANSFER_SIZE; } else { write_len = left; } ret = i2c_dma_write(client, addr, wr_buf, write_len); if (ret < 0) { GTP_ERROR("dma i2c write failed!"); return -1; } left -= write_len; addr += write_len; wr_buf += write_len; } return 0; } #endif

int i2c_read_bytes_non_dma(struct i2c_client *client, u16 addr, u8 *rxbuf, int len) { u8 buffer[GTP_ADDR_LENGTH]; u8 retry; u16 left = len; u16 offset = 0;

struct i2c_msg msg[2] = { { .addr = ((client->addr &I2C_MASK_FLAG) | (I2C_ENEXT_FLAG)), //.addr = ((client->addr &I2C_MASK_FLAG) | (I2C_PUSHPULL_FLAG)), .flags = 0, .buf = buffer, .len = GTP_ADDR_LENGTH, .timing = I2C_MASTER_CLOCK }, { .addr = ((client->addr &I2C_MASK_FLAG) | (I2C_ENEXT_FLAG)), //.addr = ((client->addr &I2C_MASK_FLAG) | (I2C_PUSHPULL_FLAG)), .flags = I2C_M_RD, .timing = I2C_MASTER_CLOCK }, };

if (rxbuf == NULL) return -1;

//GTP_DEBUG("i2c_read_bytes to device %02X address %04X len %d\n", client->addr, addr, len);

while (left > 0) { buffer[0] = ((addr + offset) >> 8) & 0xFF; buffer[1] = (addr + offset) & 0xFF;

msg[1].buf = &rxbuf[offset];

if (left > MAX_TRANSACTION_LENGTH) { msg[1].len = MAX_TRANSACTION_LENGTH; left -= MAX_TRANSACTION_LENGTH; offset += MAX_TRANSACTION_LENGTH; } else { msg[1].len = left; left = 0; }

retry = 0;

while (i2c_transfer(client->adapter, &msg[0], 2) != 2) { retry++;

//if (retry == 20) if (retry == 5) { GTP_ERROR("I2C read 0x%X length=%d failed\n", addr + offset, len); return -1; } } }

return 0; }

int i2c_read_bytes(struct i2c_client *client, u16 addr, u8 *rxbuf, int len) { #if GTP_SUPPORT_I2C_DMA return i2c_read_bytes_dma(client, addr, rxbuf, len); #else return i2c_read_bytes_non_dma(client, addr, rxbuf, len); #endif }

s32 gtp_i2c_read(struct i2c_client *client, u8 *buf, s32 len) { s32 ret = -1; u16 addr = (buf[0] << 8) + buf[1];

ret = i2c_read_bytes_non_dma(client, addr, &buf[2], len - 2);

if (!ret) { return 2; } else { #if GTP_GESTURE_WAKEUP if (DOZE_ENABLED == doze_status) { return ret; } #endif #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { gtp_recovery_reset(client); } else #endif { gtp_reset_guitar(client, 20); } return ret; } }

s32 gtp_i2c_read_dbl_check(struct i2c_client *client, u16 addr, u8 *rxbuf, int len) { u8 buf[16] = {0}; u8 confirm_buf[16] = {0}; u8 retry = 0; while (retry++ < 3) { memset(buf, 0xAA, 16); buf[0] = (u8)(addr >> 8); buf[1] = (u8)(addr & 0xFF); gtp_i2c_read(client, buf, len + 2); memset(confirm_buf, 0xAB, 16); confirm_buf[0] = (u8)(addr >> 8); confirm_buf[1] = (u8)(addr & 0xFF); gtp_i2c_read(client, confirm_buf, len + 2); if (!memcmp(buf, confirm_buf, len+2)) { memcpy(rxbuf, confirm_buf+2, len); return SUCCESS; } } GTP_ERROR("i2c read 0x%04X, %d bytes, double check failed!", addr, len); return FAIL; }

int i2c_write_bytes_non_dma(struct i2c_client *client, u16 addr, u8 *txbuf, int len) { u8 buffer[MAX_TRANSACTION_LENGTH]; u16 left = len; u16 offset = 0; u8 retry = 0;

struct i2c_msg msg = { .addr = ((client->addr &I2C_MASK_FLAG) | (I2C_ENEXT_FLAG)), //.addr = ((client->addr &I2C_MASK_FLAG) | (I2C_PUSHPULL_FLAG)), .flags = 0, .buf = buffer, .timing = I2C_MASTER_CLOCK, };

if (txbuf == NULL) return -1;

//GTP_DEBUG("i2c_write_bytes to device %02X address %04X len %d\n", client->addr, addr, len);

while (left > 0) { retry = 0;

buffer[0] = ((addr + offset) >> 8) & 0xFF; buffer[1] = (addr + offset) & 0xFF;

if (left > MAX_I2C_TRANSFER_SIZE) { memcpy(&buffer[GTP_ADDR_LENGTH], &txbuf[offset], MAX_I2C_TRANSFER_SIZE); msg.len = MAX_TRANSACTION_LENGTH; left -= MAX_I2C_TRANSFER_SIZE; offset += MAX_I2C_TRANSFER_SIZE; } else { memcpy(&buffer[GTP_ADDR_LENGTH], &txbuf[offset], left); msg.len = left + GTP_ADDR_LENGTH; left = 0; }

//GTP_DEBUG("byte left %d offset %d\n", left, offset);

while (i2c_transfer(client->adapter, &msg, 1) != 1) { retry++;

//if (retry == 20) if (retry == 5) { GTP_ERROR("I2C write 0x%X%X length=%d failed\n", buffer[0], buffer[1], len); return -1; } } }

return 0; }

int i2c_write_bytes(struct i2c_client *client, u16 addr, u8 *txbuf, int len) { #if GTP_SUPPORT_I2C_DMA return i2c_write_bytes_dma(client, addr, txbuf, len); #else return i2c_write_bytes_non_dma(client, addr, txbuf, len); #endif }

s32 gtp_i2c_write(struct i2c_client *client, u8 *buf, s32 len) { s32 ret = -1; u16 addr = (buf[0] << 8) + buf[1];

ret = i2c_write_bytes_non_dma(client, addr, &buf[2], len - 2);

if (!ret) { return 1; } else { #if GTP_GESTURE_WAKEUP if (DOZE_ENABLED == doze_status) { return ret; } #endif #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { gtp_recovery_reset(client); } else #endif { gtp_reset_guitar(client, 20); } return ret; } }

/******************************************************* Function: Send config Function.

Input: client: i2c client.

Output: Executive outcomes.0--success,non-0--fail. *******************************************************/ s32 gtp_send_cfg(struct i2c_client *client) { s32 ret = 1;

#if GTP_DRIVER_SEND_CFG s32 retry = 0;

if (pnl_init_error) { GTP_INFO("Error occurred in init_panel, no config sent!"); return 0; } GTP_INFO("Driver Send Config"); for (retry = 0; retry < 5; retry++) { ret = gtp_i2c_write(client, config, GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH);

if (ret > 0) { break; } } #endif return ret; } #if GTP_CHARGER_SWITCH static int gtp_send_chr_cfg(struct i2c_client *client) { s32 ret = 1; #if GTP_DRIVER_SEND_CFG s32 retry = 0;

/******************************************************* Function: Send config Function.

Input: client: i2c client.

Output: Executive outcomes.0--success,non-0--fail. *******************************************************/ #if GTP_COVER_CONTROL s32 gtp_send_cfg_cover(struct i2c_client *client) { s32 ret = 1;

#if GTP_DRIVER_SEND_CFG s32 retry = 0;

if (pnl_cover_init_error) { GTP_INFO("Error occurred in init_panel, no config sent!"); return 0; } GTP_INFO("Driver Send Config"); for (retry = 0; retry < 5; retry++) { ret = gtp_i2c_write(client, config_cover, GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH);

if (ret > 0) { break; } } #endif return ret; } #endif /******************************************************* Function: Read goodix touchscreen version function.

Input: client: i2c client struct. version:address to store version info

Output: Executive outcomes.0---succeed. *******************************************************/ s32 gtp_read_version(struct i2c_client *client, u16 *version) { s32 ret = -1; s32 i; u8 buf[8] = {GTP_REG_VERSION >> 8, GTP_REG_VERSION & 0xff};

GTP_DEBUG_FUNC();

ret = gtp_i2c_read(client, buf, sizeof(buf));

if (ret < 0) { GTP_ERROR("GTP read version failed"); return ret; }

if (version) { *version = (buf[7] << 8) | buf[6]; }

tpd_info.vid = *version; tpd_info.pid = 0x00;

for (i = 0; i < 4; i++) { if (buf[i + 2] < 0x30)break;

tpd_info.pid |= ((buf[i + 2] - 0x30) << ((3 - i) * 4)); }

if (buf[5] == 0x00) { GTP_INFO("IC VERSION: %c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[7], buf[6]); } else { GTP_INFO("IC VERSION:%c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]); } return ret; }

/******************************************************* Function: GTP initialize function.

Input: client: i2c client private struct.

Output: Executive outcomes.0---succeed. *******************************************************/ static s32 gtp_init_panel(struct i2c_client *client) { s32 ret = 0; char *info = tp_info;

#if GTP_DRIVER_SEND_CFG s32 i; u8 check_sum = 0; u8 opr_buf[16]; u8 sensor_id = 0; u8 drv_cfg_version; u8 flash_cfg_version;

u8 cfg_info_group0[] = CTP_CFG_GROUP0; u8 cfg_info_group1[] = CTP_CFG_GROUP1; u8 cfg_info_group2[] = CTP_CFG_GROUP2; u8 cfg_info_group3[] = CTP_CFG_GROUP3; u8 cfg_info_group4[] = CTP_CFG_GROUP4; u8 cfg_info_group5[] = CTP_CFG_GROUP5; u8 *send_cfg_buf[] = {cfg_info_group0, cfg_info_group1, cfg_info_group2, cfg_info_group3, cfg_info_group4, cfg_info_group5}; u8 cfg_info_len[] = { CFG_GROUP_LEN(cfg_info_group0), CFG_GROUP_LEN(cfg_info_group1), CFG_GROUP_LEN(cfg_info_group2), CFG_GROUP_LEN(cfg_info_group3), CFG_GROUP_LEN(cfg_info_group4), CFG_GROUP_LEN(cfg_info_group5)}; #if GTP_CHARGER_SWITCH const u8 cfg_grp0_charger[] = GTP_CFG_GROUP0_CHARGER; const u8 cfg_grp1_charger[] = GTP_CFG_GROUP1_CHARGER; const u8 cfg_grp2_charger[] = GTP_CFG_GROUP2_CHARGER; const u8 cfg_grp3_charger[] = GTP_CFG_GROUP3_CHARGER; const u8 cfg_grp4_charger[] = GTP_CFG_GROUP4_CHARGER; const u8 cfg_grp5_charger[] = GTP_CFG_GROUP5_CHARGER; const u8 *cfgs_charger[] = { cfg_grp0_charger, cfg_grp1_charger, cfg_grp2_charger, cfg_grp3_charger, cfg_grp4_charger, cfg_grp5_charger }; u8 cfg_lens_charger[] = { CFG_GROUP_LEN(cfg_grp0_charger), CFG_GROUP_LEN(cfg_grp1_charger), CFG_GROUP_LEN(cfg_grp2_charger), CFG_GROUP_LEN(cfg_grp3_charger), CFG_GROUP_LEN(cfg_grp4_charger), CFG_GROUP_LEN(cfg_grp5_charger)}; #endif

GTP_DEBUG("Config Groups\' Lengths: %d, %d, %d, %d, %d, %d", cfg_info_len[0], cfg_info_len[1], cfg_info_len[2], cfg_info_len[3], cfg_info_len[4], cfg_info_len[5]);

if ((!cfg_info_len[1]) && (!cfg_info_len[2]) && (!cfg_info_len[3]) && (!cfg_info_len[4]) && (!cfg_info_len[5])) { sensor_id = 0; } else { #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { msleep(50); } #endif ret = gtp_i2c_read_dbl_check(client, GTP_REG_SENSOR_ID, &sensor_id, 1); if (SUCCESS == ret) { if (sensor_id >= 0x06) { GTP_ERROR("Invalid sensor_id(0x%02X), No Config Sent!", sensor_id); pnl_init_error = 1; return -1; } } else { GTP_ERROR("Failed to get sensor_id, No config sent!"); pnl_init_error = 1; return -1; } GTP_INFO("Sensor_ID: %d", sensor_id); if(sensor_id==2) { info += sprintf(info,"GT915L,"); info += sprintf(info,"O-film,"); info += sprintf(info, "%04x", tpd_info.vid); } else if(sensor_id==3) { info += sprintf(info,"GT915L,"); info += sprintf(info,"Yassy,"); info += sprintf(info, "%04x", tpd_info.vid); } } cfg_len = cfg_info_len[sensor_id]; GTP_INFO("CTP_CONFIG_GROUP%d used, config length: %d", sensor_id, cfg_len); if (cfg_len < GTP_CONFIG_MIN_LENGTH) { GTP_ERROR("CTP_CONFIG_GROUP%d is INVALID CONFIG GROUP! NO Config Sent! You need to check you header file CFG_GROUP section!", sensor_id); pnl_init_error = 1; return -1; } #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F != gtp_chip_type) #endif { ret = gtp_i2c_read_dbl_check(client, GTP_REG_CONFIG_DATA, &opr_buf[0], 1); if (ret == SUCCESS) { GTP_DEBUG("CFG_CONFIG_GROUP%d Config Version: %d, 0x%02X; IC Config Version: %d, 0x%02X", sensor_id, send_cfg_buf[sensor_id][0], send_cfg_buf[sensor_id][0], opr_buf[0], opr_buf[0]); flash_cfg_version = opr_buf[0]; drv_cfg_version = send_cfg_buf[sensor_id][0]; // backup config version if (flash_cfg_version < 90 && flash_cfg_version > drv_cfg_version) { send_cfg_buf[sensor_id][0] = 0x00; } } else { GTP_ERROR("Failed to get ic config version!No config sent!"); return -1; } } memset(&config[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH); memcpy(&config[GTP_ADDR_LENGTH], send_cfg_buf[sensor_id], cfg_len);

#if GTP_CUSTOM_CFG config[RESOLUTION_LOC] = (u8)GTP_MAX_WIDTH; config[RESOLUTION_LOC + 1] = (u8)(GTP_MAX_WIDTH>>8); config[RESOLUTION_LOC + 2] = (u8)GTP_MAX_HEIGHT; config[RESOLUTION_LOC + 3] = (u8)(GTP_MAX_HEIGHT>>8); if (GTP_INT_TRIGGER == 0) //RISING { config[TRIGGER_LOC] &= 0xfe; } else if (GTP_INT_TRIGGER == 1) //FALLING { config[TRIGGER_LOC] |= 0x01; } #endif // GTP_CUSTOM_CFG

check_sum = 0; for (i = GTP_ADDR_LENGTH; i < cfg_len; i++) { check_sum += config[i]; } config[cfg_len] = (~check_sum) + 1;

#if GTP_CHARGER_SWITCH GTP_DEBUG("Charger Config Groups Length: %d, %d, %d, %d, %d, %d", cfg_lens_charger[0], cfg_lens_charger[1], cfg_lens_charger[2], cfg_lens_charger[3], cfg_lens_charger[4], cfg_lens_charger[5]);

memset(&gtp_charger_config[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH); if (cfg_lens_charger[sensor_id] == cfg_len) memcpy(&gtp_charger_config[GTP_ADDR_LENGTH], cfgs_charger[sensor_id], cfg_len);

#if GTP_CUSTOM_CFG gtp_charger_config[RESOLUTION_LOC] = (u8) GTP_MAX_WIDTH; gtp_charger_config[RESOLUTION_LOC + 1] = (u8) (GTP_MAX_WIDTH >> 8); gtp_charger_config[RESOLUTION_LOC + 2] = (u8) GTP_MAX_HEIGHT; gtp_charger_config[RESOLUTION_LOC + 3] = (u8) (GTP_MAX_HEIGHT >> 8);

if (GTP_INT_TRIGGER == 0) /* RISING */ gtp_charger_config[TRIGGER_LOC] &= 0xfe; else if (GTP_INT_TRIGGER == 1) /* FALLING */ gtp_charger_config[TRIGGER_LOC] |= 0x01; #endif /* END GTP_CUSTOM_CFG */ if (cfg_lens_charger[sensor_id] != cfg_len) memset(&gtp_charger_config[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH); check_sum = 0; for (i = GTP_ADDR_LENGTH; i < cfg_len; i++) { check_sum += gtp_charger_config[i]; } gtp_charger_config[cfg_len] = (~check_sum) + 1;

#endif /* END GTP_CHARGER_SWITCH */ #else // DRIVER NOT SEND CONFIG cfg_len = GTP_CONFIG_MAX_LENGTH; ret = gtp_i2c_read(client, config, cfg_len + GTP_ADDR_LENGTH); if (ret < 0) { GTP_ERROR("Read Config Failed, Using DEFAULT Resolution & INT Trigger!"); abs_x_max = GTP_MAX_WIDTH; abs_y_max = GTP_MAX_HEIGHT; int_type = GTP_INT_TRIGGER; } #endif // GTP_DRIVER_SEND_CFG

GTP_DEBUG_FUNC(); if ((abs_x_max == 0) && (abs_y_max == 0)) { abs_x_max = (config[RESOLUTION_LOC + 1] << 8) + config[RESOLUTION_LOC]; abs_y_max = (config[RESOLUTION_LOC + 3] << 8) + config[RESOLUTION_LOC + 2]; int_type = (config[TRIGGER_LOC]) & 0x03; } #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { u8 have_key = 0; if (is_950) { driver_num = config[GTP_REG_MATRIX_DRVNUM - GTP_REG_CONFIG_DATA + 2]; sensor_num = config[GTP_REG_MATRIX_SENNUM - GTP_REG_CONFIG_DATA + 2]; } else { driver_num = (config[CFG_LOC_DRVA_NUM]&0x1F) + (config[CFG_LOC_DRVB_NUM]&0x1F); sensor_num = (config[CFG_LOC_SENS_NUM]&0x0F) + ((config[CFG_LOC_SENS_NUM]>>4)&0x0F); } have_key = config[GTP_REG_HAVE_KEY - GTP_REG_CONFIG_DATA + 2] & 0x01; // have key or not if (1 == have_key) { driver_num--; } GTP_INFO("Driver * Sensor: %d * %d(Key: %d), X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x", driver_num, sensor_num, have_key, abs_x_max,abs_y_max,int_type); } else #endif { #if GTP_DRIVER_SEND_CFG ret = gtp_send_cfg(client); if (ret < 0) { GTP_ERROR("Send config error."); } #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F != gtp_chip_type) #endif { /* for resume to send config */ if (flash_cfg_version < 90 && flash_cfg_version > drv_cfg_version) { config[GTP_ADDR_LENGTH] = drv_cfg_version; check_sum = 0; for (i = GTP_ADDR_LENGTH; i < cfg_len; i++) { check_sum += config[i]; } config[cfg_len] = (~check_sum) + 1; } } #endif GTP_INFO("X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x", abs_x_max,abs_y_max,int_type); } msleep(10); return 0; }

/******************************************************* Function: GTP initialize function.

Input: client: i2c client private struct.

Output: Executive outcomes.0---succeed. *******************************************************/ static s32 gtp_cover_panel(struct i2c_client *client) { s32 ret = 0;

#if GTP_DRIVER_SEND_CFG s32 i; u8 check_sum = 0; u8 opr_buf[16]; u8 sensor_id = 0; u8 drv_cfg_version; u8 flash_cfg_version;

u8 cfg_cover_info_group0[] = CTP_CFG_COVER_GROUP0; u8 cfg_cover_info_group1[] = CTP_CFG_COVER_GROUP1; u8 cfg_cover_info_group2[] = CTP_CFG_COVER_GROUP2; u8 cfg_cover_info_group3[] = CTP_CFG_COVER_GROUP3; u8 cfg_cover_info_group4[] = CTP_CFG_COVER_GROUP4; u8 cfg_cover_info_group5[] = CTP_CFG_COVER_GROUP5; u8 *send_cover_cfg_buf[] = {cfg_cover_info_group0, cfg_cover_info_group1, cfg_cover_info_group2, cfg_cover_info_group3, cfg_cover_info_group4, cfg_cover_info_group5}; u8 cfg_cover_info_len[] = { CFG_GROUP_LEN(cfg_cover_info_group0), CFG_GROUP_LEN(cfg_cover_info_group1), CFG_GROUP_LEN(cfg_cover_info_group2), CFG_GROUP_LEN(cfg_cover_info_group3), CFG_GROUP_LEN(cfg_cover_info_group4), CFG_GROUP_LEN(cfg_cover_info_group5)}; #if GTP_CHARGER_SWITCH const u8 cfg_cover_grp0_charger[] = GTP_CFG_COVER_GROUP0_CHARGER; const u8 cfg_cover_grp1_charger[] = GTP_CFG_COVER_GROUP1_CHARGER; const u8 cfg_cover_grp2_charger[] = GTP_CFG_COVER_GROUP2_CHARGER; const u8 cfg_cover_grp3_charger[] = GTP_CFG_COVER_GROUP3_CHARGER; const u8 cfg_cover_grp4_charger[] = GTP_CFG_COVER_GROUP4_CHARGER; const u8 cfg_cover_grp5_charger[] = GTP_CFG_COVER_GROUP5_CHARGER; const u8 *cfgs_cover_charger[] = { cfg_cover_grp0_charger, cfg_cover_grp1_charger, cfg_cover_grp2_charger, cfg_cover_grp3_charger, cfg_cover_grp4_charger, cfg_cover_grp5_charger }; u8 cfg_cover_lens_charger[] = { CFG_GROUP_LEN(cfg_cover_grp0_charger), CFG_GROUP_LEN(cfg_cover_grp1_charger), CFG_GROUP_LEN(cfg_cover_grp2_charger), CFG_GROUP_LEN(cfg_cover_grp3_charger), CFG_GROUP_LEN(cfg_cover_grp4_charger), CFG_GROUP_LEN(cfg_cover_grp5_charger)}; #endif

GTP_DEBUG("Config Groups\' Lengths: %d, %d, %d, %d, %d, %d", cfg_cover_info_len[0], cfg_cover_info_len[1], cfg_cover_info_len[2], cfg_cover_info_len[3], cfg_cover_info_len[4], cfg_cover_info_len[5]);

if ((!cfg_cover_info_len[1]) && (!cfg_cover_info_len[2]) && (!cfg_cover_info_len[3]) && (!cfg_cover_info_len[4]) && (!cfg_cover_info_len[5])) { sensor_id = 0; } else { #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { msleep(50); } #endif ret = gtp_i2c_read_dbl_check(client, GTP_REG_SENSOR_ID, &sensor_id, 1); if (SUCCESS == ret) { if (sensor_id >= 0x06) { GTP_ERROR("Invalid sensor_id(0x%02X), No Config Sent!", sensor_id); pnl_cover_init_error = 1; return -1; } } else { GTP_ERROR("Failed to get sensor_id, No config sent!"); pnl_cover_init_error = 1; return -1; } GTP_INFO("Sensor_ID: %d", sensor_id); } cfg_cover_len = cfg_cover_info_len[sensor_id]; GTP_INFO("CTP_CONFIG_GROUP%d used, config length: %d", sensor_id, cfg_cover_len); if (cfg_cover_len < GTP_CONFIG_MIN_LENGTH) { GTP_ERROR("CTP_CONFIG_GROUP%d is INVALID CONFIG GROUP! NO Config Sent! You need to check you header file CFG_GROUP section!", sensor_id); pnl_cover_init_error = 1; return -1; } #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F != gtp_chip_type) #endif { ret = gtp_i2c_read_dbl_check(client, GTP_REG_CONFIG_DATA, &opr_buf[0], 1); if (ret == SUCCESS) { GTP_DEBUG("CFG_CONFIG_GROUP%d Config Version: %d, 0x%02X; IC Config Version: %d, 0x%02X", sensor_id, send_cover_cfg_buf[sensor_id][0], send_cover_cfg_buf[sensor_id][0], opr_buf[0], opr_buf[0]); flash_cfg_version = opr_buf[0]; drv_cfg_version = send_cover_cfg_buf[sensor_id][0]; // backup config version if (flash_cfg_version < 90 && flash_cfg_version > drv_cfg_version) { send_cover_cfg_buf[sensor_id][0] = 0x00; } } else { GTP_ERROR("Failed to get ic config version!No config sent!"); return -1; } } memset(&config_cover[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH); memcpy(&config_cover[GTP_ADDR_LENGTH], send_cover_cfg_buf[sensor_id], cfg_cover_len);

#if GTP_CUSTOM_CFG config_cover[RESOLUTION_LOC] = (u8)GTP_MAX_WIDTH; config_cover[RESOLUTION_LOC + 1] = (u8)(GTP_MAX_WIDTH>>8); config_cover[RESOLUTION_LOC + 2] = (u8)GTP_MAX_HEIGHT; config_cover[RESOLUTION_LOC + 3] = (u8)(GTP_MAX_HEIGHT>>8); if (GTP_INT_TRIGGER == 0) //RISING { config_cover[TRIGGER_LOC] &= 0xfe; } else if (GTP_INT_TRIGGER == 1) //FALLING { config_cover[TRIGGER_LOC] |= 0x01; } #endif // GTP_CUSTOM_CFG

check_sum = 0; for (i = GTP_ADDR_LENGTH; i < cfg_cover_len; i++) { check_sum += config_cover[i]; } config_cover[cfg_cover_len] = (~check_sum) + 1;

#if GTP_CHARGER_SWITCH GTP_DEBUG("Charger Config Groups Length: %d, %d, %d, %d, %d, %d", cfg_cover_lens_charger[0], cfg_cover_lens_charger[1], cfg_cover_lens_charger[2], cfg_cover_lens_charger[3], cfg_cover_lens_charger[4], cfg_cover_lens_charger[5]);

memset(&gtp_charger_config_cover[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH); if (cfg_cover_lens_charger[sensor_id] == cfg_cover_len) memcpy(&gtp_charger_config_cover[GTP_ADDR_LENGTH], cfgs_cover_charger[sensor_id], cfg_cover_len);

#if GTP_CUSTOM_CFG gtp_charger_config_cover[RESOLUTION_LOC] = (u8) GTP_MAX_WIDTH; gtp_charger_config_cover[RESOLUTION_LOC + 1] = (u8) (GTP_MAX_WIDTH >> 8); gtp_charger_config_cover[RESOLUTION_LOC + 2] = (u8) GTP_MAX_HEIGHT; gtp_charger_config_cover[RESOLUTION_LOC + 3] = (u8) (GTP_MAX_HEIGHT >> 8);

if (GTP_INT_TRIGGER == 0) /* RISING */ gtp_charger_config_cover[TRIGGER_LOC] &= 0xfe; else if (GTP_INT_TRIGGER == 1) /* FALLING */ gtp_charger_config_cover[TRIGGER_LOC] |= 0x01; #endif /* END GTP_CUSTOM_CFG */ if (cfg_cover_lens_charger[sensor_id] != cfg_cover_len) memset(&gtp_charger_config_cover[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH); check_sum = 0; for (i = GTP_ADDR_LENGTH; i < cfg_cover_len; i++) { check_sum += gtp_charger_config_cover[i]; } gtp_charger_config_cover[cfg_cover_len] = (~check_sum) + 1;

#endif /* END GTP_CHARGER_SWITCH */ #else // DRIVER NOT SEND CONFIG cfg_cover_len = GTP_CONFIG_MAX_LENGTH; ret = gtp_i2c_read(client, config_cover, cfg_cover_len + GTP_ADDR_LENGTH); if (ret < 0) { GTP_ERROR("Read Config Failed, Using DEFAULT Resolution & INT Trigger!"); abs_x_max = GTP_MAX_WIDTH; abs_y_max = GTP_MAX_HEIGHT; int_type = GTP_INT_TRIGGER; } #endif // GTP_DRIVER_SEND_CFG

GTP_DEBUG_FUNC(); if ((abs_x_max == 0) && (abs_y_max == 0)) { abs_x_max = (config_cover[RESOLUTION_LOC + 1] << 8) + config_cover[RESOLUTION_LOC]; abs_y_max = (config_cover[RESOLUTION_LOC + 3] << 8) + config_cover[RESOLUTION_LOC + 2]; int_type = (config_cover[TRIGGER_LOC]) & 0x03; } #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { u8 have_key = 0; if (is_950) { driver_num_cover = config_cover[GTP_REG_MATRIX_DRVNUM - GTP_REG_CONFIG_DATA + 2]; sensor_num_cover = config_cover[GTP_REG_MATRIX_SENNUM - GTP_REG_CONFIG_DATA + 2]; } else { driver_num_cover = (config_cover[CFG_LOC_DRVA_NUM]&0x1F) + (config_cover[CFG_LOC_DRVB_NUM]&0x1F); sensor_num_cover = (config_cover[CFG_LOC_SENS_NUM]&0x0F) + ((config_cover[CFG_LOC_SENS_NUM]>>4)&0x0F); } have_key = config_cover[GTP_REG_HAVE_KEY - GTP_REG_CONFIG_DATA + 2] & 0x01; // have key or not if (1 == have_key) { driver_num_cover--; } GTP_INFO("Driver * Sensor: %d * %d(Key: %d), X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x", driver_num_cover, sensor_num_cover, have_key, abs_x_max,abs_y_max,int_type); } else #endif { #if GTP_DRIVER_SEND_CFG #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F != gtp_chip_type) #endif { /* for resume to send config */ if (flash_cfg_version < 90 && flash_cfg_version > drv_cfg_version) { config_cover[GTP_ADDR_LENGTH] = drv_cfg_version; check_sum = 0; for (i = GTP_ADDR_LENGTH; i < cfg_cover_len; i++) { check_sum += config_cover[i]; } config_cover[cfg_cover_len] = (~check_sum) + 1; } } #endif GTP_INFO("X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x", abs_x_max,abs_y_max,int_type); } msleep(10); return 0; }

static s8 gtp_i2c_test(struct i2c_client *client) {

u8 retry = 0; s8 ret = -1; u32 hw_info = 0;

GTP_DEBUG_FUNC();

while (retry++ < 5) { ret = i2c_read_bytes(client, GTP_REG_HW_INFO, (u8 *)&hw_info, sizeof(hw_info));

if ((!ret) && (hw_info == 0x00900600)) //20121212 { return ret; }

GTP_ERROR("GTP_REG_HW_INFO : %08X", hw_info); GTP_ERROR("GTP i2c test failed time %d.", retry); msleep(10); }

return -1; }

/******************************************************* Function: Set INT pin as input for FW sync.

Note: If the INT is high, It means there is pull up resistor attached on the INT pin. Pull low the INT pin manaully for FW sync. *******************************************************/ void gtp_int_sync(s32 ms) { GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); msleep(ms); GTP_GPIO_AS_INT(GTP_INT_PORT); }

void gtp_reset_guitar(struct i2c_client *client, s32 ms) { GTP_INFO("GTP RESET!\n"); GTP_GPIO_OUTPUT(GTP_RST_PORT, 0); msleep(ms); GTP_GPIO_OUTPUT(GTP_INT_PORT, client->addr == 0x14);

msleep(2); GTP_GPIO_OUTPUT(GTP_RST_PORT, 1);

msleep(6); //must >= 6ms

#if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { return; } #endif

gtp_int_sync(50); #if GTP_ESD_PROTECT gtp_init_ext_watchdog(i2c_client_point); #endif }

static int tpd_power_on(struct i2c_client *client) { int ret = 0; int reset_count = 0;

reset_proc: GTP_GPIO_OUTPUT(GTP_RST_PORT, 0); GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); msleep(10);

#ifdef MT6573 // power on CTP mt_set_gpio_mode(GPIO_CTP_EN_PIN, GPIO_CTP_EN_PIN_M_GPIO); mt_set_gpio_dir(GPIO_CTP_EN_PIN, GPIO_DIR_OUT); mt_set_gpio_out(GPIO_CTP_EN_PIN, GPIO_OUT_ONE);

#else // ( defined(MT6575) || defined(MT6577) || defined(MT6589) )

#ifdef TPD_POWER_SOURCE_CUSTOM hwPowerOn(TPD_POWER_SOURCE_CUSTOM, VOL_2800, "TP"); #else hwPowerOn(MT65XX_POWER_LDO_VGP2, VOL_2800, "TP"); #endif #ifdef TPD_POWER_SOURCE_1800 hwPowerOn(TPD_POWER_SOURCE_1800, VOL_1800, "TP"); #endif

#endif

gtp_reset_guitar(client, 20);

#if GTP_COMPATIBLE_MODE gtp_get_chip_type(client); if (CHIP_TYPE_GT9F == gtp_chip_type) { ret = gup_fw_download_proc(NULL, GTP_FL_FW_BURN); if(FAIL == ret) { GTP_ERROR("[tpd_power_on]Download fw failed."); if(reset_count++ < TPD_MAX_RESET_COUNT) { goto reset_proc; } else { return -1; } } ret = gtp_fw_startup(client); if(FAIL == ret) { GTP_ERROR("[tpd_power_on]Startup fw failed."); if(reset_count++ < TPD_MAX_RESET_COUNT) { goto reset_proc; } else { return -1; } } } else #endif { ret = gtp_i2c_test(client); if (ret < 0) { GTP_ERROR("I2C communication ERROR!"); if (reset_count < TPD_MAX_RESET_COUNT) { reset_count++; goto reset_proc; } } } return ret; }

void gtp_irq_enable(void) { if(irq_flag==0){ irq_flag++; #ifdef CONFIG_OF_TOUCH enable_irq(touch_irq); #else mt_eint_unmask(CUST_EINT_TOUCH_PANEL_NUM); #endif }else{ GTP_INFO("Touch Eint already enabled!"); } //GTP_INFO("Enable irq_flag=%d",irq_flag);

} void gtp_irq_disable(void) { if(irq_flag==1){ irq_flag--; #ifdef CONFIG_OF_TOUCH disable_irq(touch_irq); #else mt_eint_mask(CUST_EINT_TOUCH_PANEL_NUM); #endif }else{ GTP_INFO("Touch Eint already disabled!"); } //GTP_INFO("Disable irq_flag=%d",irq_flag); }

#ifdef CONFIG_OF_TOUCH static int tpd_irq_registration(void) { struct device_node *node = NULL; int ret = 0; u32 ints[2] = {0,0}; GTP_INFO("Device Tree Tpd_irq_registration!"); node = of_find_compatible_node(NULL, NULL, "mediatek, TOUCH_PANEL-eint"); if(node){ of_property_read_u32_array(node , "debounce", ints, ARRAY_SIZE(ints)); gpio_set_debounce(ints[0], ints[1]);

touch_irq = irq_of_parse_and_map(node, 0); GTP_INFO("Device gtp_int_type = %d!", int_type); if (!int_type) //EINTF_TRIGGER { ret = request_irq(touch_irq, (irq_handler_t)tpd_eint_interrupt_handler, EINTF_TRIGGER_RISING, "TOUCH_PANEL-eint", NULL); //gtp_eint_trigger_type = EINTF_TRIGGER_RISING; if(ret > 0){ ret = -1; GTP_ERROR("tpd request_irq IRQ LINE NOT AVAILABLE!."); } } else { ret = request_irq(touch_irq, (irq_handler_t)tpd_eint_interrupt_handler, EINTF_TRIGGER_FALLING, "TOUCH_PANEL-eint", NULL); //gtp_eint_trigger_type = EINTF_TRIGGER_FALLING; if(ret > 0){ ret = -1; GTP_ERROR("tpd request_irq IRQ LINE NOT AVAILABLE!."); } } }else{ GTP_ERROR("tpd request_irq can not find touch eint device node!."); ret = -1; } GTP_INFO("[%s]irq:%d, debounce:%d-%d:", __FUNCTION__, touch_irq, ints[0], ints[1]); return ret; } #endif

//**************** For GT9XXF Start ********************// #if GTP_COMPATIBLE_MODE

void gtp_get_chip_type(struct i2c_client *client) { u8 opr_buf[10] = {0x00}; s32 ret = 0; msleep(10); ret = gtp_i2c_read_dbl_check(client, GTP_REG_CHIP_TYPE, opr_buf, 10); if (FAIL == ret) { GTP_ERROR("Failed to get chip-type, set chip type default: GOODIX_GT9"); gtp_chip_type = CHIP_TYPE_GT9; return; } if (!memcmp(opr_buf, "GOODIX_GT9", 10)) { gtp_chip_type = CHIP_TYPE_GT9; } else // GT9XXF { gtp_chip_type = CHIP_TYPE_GT9F; } GTP_INFO("Chip Type: %s", (gtp_chip_type == CHIP_TYPE_GT9) ? "GOODIX_GT9" : "GOODIX_GT9F"); }

static u8 gtp_bak_ref_proc(struct i2c_client *client, u8 mode) { s32 i = 0; s32 j = 0; s32 ret = 0; struct file *flp = NULL; u8 *refp = NULL; u32 ref_len = 0; u32 ref_seg_len = 0; s32 ref_grps = 0; s32 ref_chksum = 0; u16 tmp = 0; GTP_DEBUG("[gtp_bak_ref_proc]Driver:%d,Sensor:%d.", driver_num, sensor_num);

//check file-system mounted GTP_DEBUG("[gtp_bak_ref_proc]Waiting for FS %d", gtp_ref_retries); if (gup_check_fs_mounted("/data") == FAIL) { GTP_DEBUG("[gtp_bak_ref_proc]/data not mounted"); if(gtp_ref_retries++ < GTP_CHK_FS_MNT_MAX) { return FAIL; } } else { GTP_DEBUG("[gtp_bak_ref_proc]/data mounted !!!!"); } if (is_950) { ref_seg_len = (driver_num * (sensor_num - 1) + 2) * 2; ref_grps = 6; ref_len = ref_seg_len * 6; // for GT950, backup-reference for six segments } else { ref_len = driver_num*(sensor_num-2)*2 + 4; ref_seg_len = ref_len; ref_grps = 1; } refp = (u8 *)kzalloc(ref_len, GFP_KERNEL); if(refp == NULL) { GTP_ERROR("Failed to allocate memory for reference buffer!"); return FAIL; } memset(refp, 0, ref_len); //get ref file data flp = filp_open(GTP_BAK_REF_PATH, O_RDWR | O_CREAT, 0666); if (IS_ERR(flp)) { GTP_ERROR("Failed to open/create %s.", GTP_BAK_REF_PATH); if (GTP_BAK_REF_SEND == mode) { goto default_bak_ref; } else { goto exit_ref_proc; } } switch (mode) { case GTP_BAK_REF_SEND: { flp->f_op->llseek(flp, 0, SEEK_SET); ret = flp->f_op->read(flp, (char *)refp, ref_len, &flp->f_pos); if(ret < 0) { GTP_ERROR("Read ref file failed, send default bak ref."); goto default_bak_ref; } //checksum ref file for (j = 0; j < ref_grps; ++j) { ref_chksum = 0; for(i=0; i<ref_seg_len-2; i+=2) { ref_chksum += ((refp[i + j * ref_seg_len]<<8) + refp[i + 1 + j * ref_seg_len]); } GTP_DEBUG("Reference chksum:0x%04X", ref_chksum&0xFF); tmp = ref_chksum + (refp[ref_seg_len + j * ref_seg_len -2]<<8) + refp[ref_seg_len + j * ref_seg_len -1]; if(1 != tmp) { GTP_DEBUG("Invalid checksum for reference, reset reference."); memset(&refp[j * ref_seg_len], 0, ref_seg_len); refp[ref_seg_len - 1 + j * ref_seg_len] = 0x01; } else { if (j == (ref_grps - 1)) { GTP_INFO("Reference data in %s used.", GTP_BAK_REF_PATH); } } } ret = i2c_write_bytes(client, GTP_REG_BAK_REF, refp, ref_len); if(-1 == ret) { GTP_ERROR("Write ref i2c error."); ret = FAIL; goto exit_ref_proc; } } break; case GTP_BAK_REF_STORE: { ret = i2c_read_bytes(client, GTP_REG_BAK_REF, refp, ref_len); if(-1 == ret) { GTP_ERROR("Read ref i2c error."); ret = FAIL; goto exit_ref_proc; } flp->f_op->llseek(flp, 0, SEEK_SET); flp->f_op->write(flp, (char *)refp, ref_len, &flp->f_pos); } break; default: GTP_ERROR("Invalid Argument(%d) for backup reference", mode); ret = FAIL; goto exit_ref_proc; } ret = SUCCESS; goto exit_ref_proc;

default_bak_ref: for (j = 0; j < ref_grps; ++j) { memset(&refp[j * ref_seg_len], 0, ref_seg_len); refp[j * ref_seg_len + ref_seg_len - 1] = 0x01; // checksum = 1 } ret = i2c_write_bytes(client, GTP_REG_BAK_REF, refp, ref_len); if (flp && !IS_ERR(flp)) { GTP_INFO("Write backup-reference data into %s", GTP_BAK_REF_PATH); flp->f_op->llseek(flp, 0, SEEK_SET); flp->f_op->write(flp, (char*)refp, ref_len, &flp->f_pos); } if (ret < 0) { GTP_ERROR("Failed to load the default backup reference"); ret = FAIL; } else { ret = SUCCESS; } exit_ref_proc: if (refp) { kfree(refp); } if (flp && !IS_ERR(flp)) { filp_close(flp, NULL); } return ret; }

u8 gtp_fw_startup(struct i2c_client *client) { u8 wr_buf[4]; s32 ret = 0; //init sw WDT wr_buf[0] = 0xAA; ret = i2c_write_bytes(client, 0x8041, wr_buf, 1); if (ret < 0) { GTP_ERROR("I2C error to firmware startup."); return FAIL; } //release SS51 & DSP wr_buf[0] = 0x00; i2c_write_bytes(client, 0x4180, wr_buf, 1); //int sync gtp_int_sync(25); //check fw run status i2c_read_bytes(client, 0x8041, wr_buf, 1); if(0xAA == wr_buf[0]) { GTP_ERROR("IC works abnormally,startup failed."); return FAIL; } else { GTP_DEBUG("IC works normally,Startup success."); wr_buf[0] = 0xAA; i2c_write_bytes(client, 0x8041, wr_buf, 1); return SUCCESS; } }

static void gtp_recovery_reset(struct i2c_client *client) { #if GTP_ESD_PROTECT gtp_esd_switch(client, SWITCH_OFF); #endif force_reset_guitar(); #if GTP_ESD_PROTECT gtp_esd_switch(client, SWITCH_ON); #endif }

static u8 gtp_check_clk_legality(u8 *p_clk_buf) { u8 i = 0; u8 clk_chksum = p_clk_buf[5]; for(i = 0; i < 5; i++) { if((p_clk_buf[i] < 50) || (p_clk_buf[i] > 120) || (p_clk_buf[i] != p_clk_buf[0])) { break; } clk_chksum += p_clk_buf[i]; } if((i == 5) && (clk_chksum == 0)) { GTP_DEBUG("Valid main clock data."); return SUCCESS; } GTP_ERROR("Invalid main clock data."); return FAIL; }

static u8 gtp_main_clk_proc(struct i2c_client *client) { s32 ret = 0; u8 i = 0; u8 clk_cal_result = 0; u8 clk_chksum = 0; u8 gtp_clk_buf[6] = {0}; struct file *flp = NULL; GTP_DEBUG("[gtp_main_clk_proc]Waiting for FS %d", gtp_ref_retries); if (gup_check_fs_mounted("/data") == FAIL) { GTP_DEBUG("[gtp_main_clk_proc]/data not mounted"); if(gtp_clk_retries++ < GTP_CHK_FS_MNT_MAX) { return FAIL; } else { GTP_ERROR("[gtp_main_clk_proc]Wait for file system timeout,need cal clk"); } } else { GTP_DEBUG("[gtp_main_clk_proc]/data mounted !!!!"); flp = filp_open(GTP_MAIN_CLK_PATH, O_RDWR | O_CREAT, 0666); if (!IS_ERR(flp)) { flp->f_op->llseek(flp, 0, SEEK_SET); ret = flp->f_op->read(flp, (char *)gtp_clk_buf, 6, &flp->f_pos); if(ret > 0) { ret = gtp_check_clk_legality(gtp_clk_buf); if(SUCCESS == ret) { GTP_DEBUG("[gtp_main_clk_proc]Open & read & check clk file success."); goto send_main_clk; } } } GTP_ERROR("[gtp_main_clk_proc]Check clk file failed,need cal clk"); } //cal clk #if GTP_ESD_PROTECT gtp_esd_switch(client, SWITCH_OFF); #endif clk_cal_result = gup_clk_calibration(); force_reset_guitar(); GTP_DEBUG("&&&&&&&&&&clk cal result:%d", clk_cal_result); #if GTP_ESD_PROTECT gtp_esd_switch(client, SWITCH_ON); #endif

if(clk_cal_result < 50 || clk_cal_result > 120) { GTP_ERROR("Invalid main clock: %d", clk_cal_result); ret = FAIL; goto exit_clk_proc; } for(i = 0;i < 5; i++) { gtp_clk_buf[i] = clk_cal_result; clk_chksum += gtp_clk_buf[i]; } gtp_clk_buf[5] = 0 - clk_chksum; send_main_clk: ret = i2c_write_bytes(client, 0x8020, gtp_clk_buf, 6); if (flp && !IS_ERR(flp)) { flp->f_op->llseek(flp, 0, SEEK_SET); flp->f_op->write(flp, (char *)gtp_clk_buf, 6, &flp->f_pos); } if(-1 == ret) { GTP_ERROR("[gtp_main_clk_proc]send main clk i2c error!"); ret = FAIL; } else { ret = SUCCESS; } exit_clk_proc: if (flp && !IS_ERR(flp)) { filp_close(flp, NULL); } return ret; }

#endif //************* For GT9XXF End **********************//

#if GTP_WITH_PEN static void gtp_pen_init(void) { s32 ret = 0; pen_dev = input_allocate_device(); if (pen_dev == NULL) { GTP_ERROR("Failed to allocate input device for pen/stylus."); return; } pen_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) ; pen_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); set_bit(BTN_TOOL_PEN, pen_dev->keybit); set_bit(INPUT_PROP_DIRECT, pen_dev->propbit); //set_bit(INPUT_PROP_POINTER, pen_dev->propbit); #if GTP_PEN_HAVE_BUTTON input_set_capability(pen_dev, EV_KEY, BTN_STYLUS); input_set_capability(pen_dev, EV_KEY, BTN_STYLUS2); #endif

input_set_abs_params(pen_dev, ABS_MT_POSITION_X, 0, TPD_RES_X, 0, 0); input_set_abs_params(pen_dev, ABS_MT_POSITION_Y, 0, TPD_RES_Y, 0, 0); input_set_abs_params(pen_dev, ABS_MT_PRESSURE, 0, 255, 0, 0); input_set_abs_params(pen_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); input_set_abs_params(pen_dev, ABS_MT_TRACKING_ID, 0, 255, 0, 0); pen_dev->name = "mtk-pen"; pen_dev->phys = "input/ts"; pen_dev->id.bustype = BUS_I2C; ret = input_register_device(pen_dev); if (ret) { GTP_ERROR("Register %s input device failed", pen_dev->name); return; } }

static void gtp_pen_down(s32 x, s32 y, s32 size, s32 id) { input_report_key(pen_dev, BTN_TOOL_PEN, 1); input_report_key(pen_dev, BTN_TOUCH, 1); input_report_abs(pen_dev, ABS_MT_POSITION_X, x); input_report_abs(pen_dev, ABS_MT_POSITION_Y, y); if ((!size) && (!id)) { input_report_abs(pen_dev, ABS_MT_PRESSURE, 100); input_report_abs(pen_dev, ABS_MT_TOUCH_MAJOR, 100); } else { input_report_abs(pen_dev, ABS_MT_PRESSURE, size); input_report_abs(pen_dev, ABS_MT_TOUCH_MAJOR, size); input_report_abs(pen_dev, ABS_MT_TRACKING_ID, id); } input_mt_sync(pen_dev); }

static void gtp_pen_up(void) { input_report_key(pen_dev, BTN_TOOL_PEN, 0); input_report_key(pen_dev, BTN_TOUCH, 0); } #endif

static s32 tpd_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { s32 err = 0; s32 ret = 0;

u16 version_info; #if GTP_HAVE_TOUCH_KEY s32 idx = 0; #endif #ifdef TPD_PROXIMITY struct hwmsen_object obj_ps; #endif

if (RECOVERY_BOOT == get_boot_mode()) return 0;

i2c_client_point = client; ret = tpd_power_on(client);

if (ret < 0) { GTP_ERROR("I2C communication ERROR!"); } //#ifdef VELOCITY_CUSTOM #if 0 if ((err = misc_register(&tpd_misc_device))) { printk("mtk_tpd: tpd_misc_device register failed\n"); }

#endif ret = gtp_read_version(client, &version_info);

if (ret < 0) { GTP_ERROR("Read version failed."); } ret = gtp_init_panel(client);

if (ret < 0) { GTP_ERROR("GTP init panel failed."); } #if GTP_COVER_CONTROL ret = gtp_cover_panel(client);

if (ret < 0) { GTP_ERROR("GTP cover panel failed."); } #endif // Create proc file system gt91xx_config_proc = proc_create(GT91XX_CONFIG_PROC_FILE, 0644, NULL, &config_proc_ops); if (gt91xx_config_proc == NULL) { GTP_ERROR("create_proc_entry %s failed\n", GT91XX_CONFIG_PROC_FILE); } else { GTP_INFO("create proc entry %s success", GT91XX_CONFIG_PROC_FILE); } //add by chen for MX gesture mx_tsp=root_device_register("mx_tsp");

err = sysfs_create_group(&mx_tsp->kobj,&gesture_attribute_group); if (err < 0) { GTP_ERROR("unable to create gesture attribute file\n"); }

//add end

#if GTP_COVER_CONTROL err =register_cover_notifier(&cover_notifier1); if (err) { GTP_ERROR("register cover_notifier1 error\n"); } #endif

#if GTP_P_GESTURE_CONTROL err =register_cover_notifier(&gesture_notifier1); if (err) { GTP_ERROR("register gesture_notifier1 error\n"); } #endif

#if GTP_CREATE_WR_NODE init_wr_node(client); #endif

thread = kthread_run(touch_event_handler, 0, TPD_DEVICE);

if (IS_ERR(thread)) { err = PTR_ERR(thread); GTP_INFO(TPD_DEVICE " failed to create kernel thread: %d\n", err); } #if GTP_HAVE_TOUCH_KEY

for (idx = 0; idx < GTP_MAX_KEY_NUM; idx++) { input_set_capability(tpd->dev, EV_KEY, touch_key_array[idx]); }

#endif #if GTP_GESTURE_WAKEUP // input_set_capability(tpd->dev, EV_KEY, KEY_POWER); input_set_capability(tpd->dev, EV_KEY, KEY_GESTURE); #endif #if GTP_WITH_PEN gtp_pen_init(); #endif // set INT mode mt_set_gpio_mode(GPIO_CTP_EINT_PIN, GPIO_CTP_EINT_PIN_M_EINT); mt_set_gpio_dir(GPIO_CTP_EINT_PIN, GPIO_DIR_IN); mt_set_gpio_pull_enable(GPIO_CTP_EINT_PIN, GPIO_PULL_DISABLE);

msleep(50);

#ifdef CONFIG_OF_TOUCH /* EINT device tree, default EINT enable */ tpd_irq_registration(); #else

#ifdef MT6572 if (!int_type) //EINTF_TRIGGER { mt_eint_registration(CUST_EINT_TOUCH_PANEL_NUM, EINTF_TRIGGER_RISING, tpd_eint_interrupt_handler, 1); } else { mt_eint_registration(CUST_EINT_TOUCH_PANEL_NUM, EINTF_TRIGGER_FALLING, tpd_eint_interrupt_handler, 1); } #else mt65xx_eint_set_sens(CUST_EINT_TOUCH_PANEL_NUM, CUST_EINT_TOUCH_PANEL_SENSITIVE); mt65xx_eint_set_hw_debounce(CUST_EINT_TOUCH_PANEL_NUM, CUST_EINT_TOUCH_PANEL_DEBOUNCE_CN);

if (!int_type) { mt65xx_eint_registration(CUST_EINT_TOUCH_PANEL_NUM, CUST_EINT_TOUCH_PANEL_DEBOUNCE_EN, CUST_EINT_POLARITY_HIGH, tpd_eint_interrupt_handler, 1); } else { mt65xx_eint_registration(CUST_EINT_TOUCH_PANEL_NUM, CUST_EINT_TOUCH_PANEL_DEBOUNCE_EN, CUST_EINT_POLARITY_LOW, tpd_eint_interrupt_handler, 1); } #endif #endif gtp_irq_enable(); #if GTP_ESD_PROTECT gtp_esd_switch(client, SWITCH_ON); #endif

#if GTP_AUTO_UPDATE ret = gup_init_update_proc(client);

if (ret < 0) { GTP_ERROR("Create update thread error."); } #endif

#ifdef TPD_PROXIMITY //obj_ps.self = cm3623_obj; obj_ps.polling = 0; //0--interrupt mode;1--polling mode; obj_ps.sensor_operate = tpd_ps_operate;

if ((err = hwmsen_attach(ID_PROXIMITY, &obj_ps))) { GTP_ERROR("hwmsen attach fail, return:%d.", err); }

#endif

tpd_load_status = 1;

return 0; }

#ifdef CONFIG_OF_TOUCH static irqreturn_t tpd_eint_interrupt_handler(unsigned irq, struct irq_desc *desc) { TPD_DEBUG_PRINT_INT; tpd_flag = 1; /* enter EINT handler disable INT, make sure INT is disable when handle touch event including top/bottom half */ /* use _nosync to avoid deadlock */ //disable_irq_nosync(touch_irq); //irq_flag--; //GTP_INFO("disable irq_flag=%d",irq_flag); wake_up_interruptible(&waiter); return IRQ_HANDLED; } #else static void tpd_eint_interrupt_handler(void) { TPD_DEBUG_PRINT_INT;

tpd_flag = 1;

wake_up_interruptible(&waiter); } #endif /* static void tpd_eint_interrupt_handler(void) { TPD_DEBUG_PRINT_INT; tpd_flag = 1; wake_up_interruptible(&waiter); }*/

static int tpd_i2c_remove(struct i2c_client *client) { #if GTP_CREATE_WR_NODE uninit_wr_node(); #endif

#if GTP_ESD_PROTECT destroy_workqueue(gtp_esd_check_workqueue); #endif sysfs_remove_group(&mx_tsp->kobj,&gesture_attribute_group); root_device_unregister(mx_tsp);

return 0; } #if (GTP_ESD_PROTECT || GTP_COMPATIBLE_MODE) static void force_reset_guitar(void) { s32 i = 0; s32 ret = 0;

GTP_INFO("force_reset_guitar"); //mt65xx_eint_mask(CUST_EINT_TOUCH_PANEL_NUM); gtp_irq_disable(); GTP_GPIO_OUTPUT(GTP_RST_PORT, 0); GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); #ifdef MT6573 //Power off TP mt_set_gpio_mode(GPIO_CTP_EN_PIN, GPIO_CTP_EN_PIN_M_GPIO); mt_set_gpio_dir(GPIO_CTP_EN_PIN, GPIO_DIR_OUT); mt_set_gpio_out(GPIO_CTP_EN_PIN, GPIO_OUT_ZERO); msleep(30); //Power on TP mt_set_gpio_out(GPIO_CTP_EN_PIN, GPIO_OUT_ONE); msleep(30); #else // ( defined(MT6575) || defined(MT6577) || defined(MT6589) ) // Power off TP #ifdef TPD_POWER_SOURCE_CUSTOM hwPowerDown(TPD_POWER_SOURCE_CUSTOM, "TP"); #else hwPowerDown(MT65XX_POWER_LDO_VGP2, "TP"); #endif msleep(30);

// Power on TP #ifdef TPD_POWER_SOURCE_CUSTOM hwPowerOn(TPD_POWER_SOURCE_CUSTOM, VOL_2800, "TP"); #else hwPowerOn(MT65XX_POWER_LDO_VGP2, VOL_2800, "TP"); #endif msleep(30);

#endif

for (i = 0; i < 5; i++) { #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { ret = gup_fw_download_proc(NULL, GTP_FL_ESD_RECOVERY); if(FAIL == ret) { GTP_ERROR("[force_reset_guitar]Check & repair fw failed."); continue; } //startup fw ret = gtp_fw_startup(i2c_client_point); if(FAIL == ret) { GTP_ERROR("[force_reset_guitar]Startup fw failed."); continue; } break; } else #endif { //Reset Guitar gtp_reset_guitar(i2c_client_point, 20); msleep(50); //Send config ret = gtp_send_cfg(i2c_client_point); if (ret < 0) { continue; } } break; } //mt65xx_eint_unmask(CUST_EINT_TOUCH_PANEL_NUM); gtp_irq_enable(); if (i >= 5) { GTP_ERROR("Failed to reset guitar."); return; } GTP_INFO("Esd recovery successful"); return; } #endif

#if GTP_ESD_PROTECT static s32 gtp_init_ext_watchdog(struct i2c_client *client) { u8 opr_buffer[2] = {0xAA}; GTP_DEBUG("Init external watchdog."); return i2c_write_bytes(client, 0x8041, opr_buffer, 1); }

void gtp_esd_switch(struct i2c_client *client, s32 on) { spin_lock(&esd_lock); if (SWITCH_ON == on) // switch on esd { if (!esd_running) { esd_running = 1; spin_unlock(&esd_lock); GTP_INFO("Esd started"); queue_delayed_work(gtp_esd_check_workqueue, &gtp_esd_check_work, clk_tick_cnt); } else { spin_unlock(&esd_lock); } } else // switch off esd { if (esd_running) { esd_running = 0; spin_unlock(&esd_lock); GTP_INFO("Esd cancelled"); cancel_delayed_work_sync(&gtp_esd_check_work); } else { spin_unlock(&esd_lock); } } }

static void gtp_esd_check_func(struct work_struct *work) { s32 i = 0; s32 ret = -1; u8 esd_buf[3] = {0x00}; if ((tpd_halt) || (gtp_loading_fw)) { GTP_INFO("Esd suspended or IC update firmware!"); return; } for (i = 0; i < 3; i++) { ret = i2c_read_bytes_non_dma(i2c_client_point, 0x8040, esd_buf, 2); GTP_DEBUG("[Esd]0x8040 = 0x%02X, 0x8041 = 0x%02X", esd_buf[0], esd_buf[1]); if (ret < 0) { // IIC communication problem continue; } else { if ((esd_buf[0] == 0xAA) || (esd_buf[1] != 0xAA)) { u8 chk_buf[2] = {0x00}; i2c_read_bytes_non_dma(i2c_client_point, 0x8040, chk_buf, 2); GTP_DEBUG("[Check]0x8040 = 0x%02X, 0x8041 = 0x%02X", chk_buf[0], chk_buf[1]); if ( (chk_buf[0] == 0xAA) || (chk_buf[1] != 0xAA) ) { i = 3; // jump to reset guitar break; } else { continue; } } else { // IC works normally, Write 0x8040 0xAA, feed the watchdog esd_buf[0] = 0xAA; i2c_write_bytes_non_dma(i2c_client_point, 0x8040, esd_buf, 1); break; } } }

if (i >= 3) { #if GTP_COMPATIBLE_MODE if ((CHIP_TYPE_GT9F == gtp_chip_type) && (1 == rqst_processing)) { GTP_INFO("Request Processing, no reset guitar."); } else #endif { GTP_INFO("IC works abnormally! Process reset guitar."); esd_buf[0] = 0x01; esd_buf[1] = 0x01; esd_buf[2] = 0x01; i2c_write_bytes(i2c_client_point, 0x4226, esd_buf, 3); msleep(50); force_reset_guitar(); } }

if (!tpd_halt) { queue_delayed_work(gtp_esd_check_workqueue, &gtp_esd_check_work, clk_tick_cnt); } else { GTP_INFO("Esd suspended!"); }

return; } #endif

static void tpd_down(s32 x, s32 y, s32 size, s32 id) { if ((!size) && (!id)) { input_report_abs(tpd->dev, ABS_MT_PRESSURE, 100); input_report_abs(tpd->dev, ABS_MT_TOUCH_MAJOR, 100); } else { input_report_abs(tpd->dev, ABS_MT_PRESSURE, size); input_report_abs(tpd->dev, ABS_MT_TOUCH_MAJOR, size); /* track id Start 0 */ input_report_abs(tpd->dev, ABS_MT_TRACKING_ID, id); }

input_report_key(tpd->dev, BTN_TOUCH, 1); input_report_abs(tpd->dev, ABS_MT_POSITION_X, x); input_report_abs(tpd->dev, ABS_MT_POSITION_Y, y); input_mt_sync(tpd->dev); TPD_EM_PRINT(x, y, x, y, id, 1);

#if (defined(MT6575)||defined(MT6577))

if (FACTORY_BOOT == get_boot_mode() || RECOVERY_BOOT == get_boot_mode()) { tpd_button(x, y, 1); }

#endif }

static void tpd_up(s32 x, s32 y, s32 id) { input_report_key(tpd->dev, BTN_TOUCH, 0); input_mt_sync(tpd->dev); TPD_EM_PRINT(x, y, x, y, id, 0);

#if (defined(MT6575) || defined(MT6577))

if (FACTORY_BOOT == get_boot_mode() || RECOVERY_BOOT == get_boot_mode()) { tpd_button(x, y, 0); }

#endif } #if GTP_CHARGER_SWITCH static void gtp_charger_switch(s32 dir_update) { u32 chr_status = 0; u8 chr_cmd[3] = {0x80, 0x40}; static u8 chr_pluggedin = 0; int ret = 0; #ifdef MT6573 chr_status = *(volatile u32 *)CHR_CON0; chr_status &= (1 << 13); #else // ( defined(MT6575) || defined(MT6577) || defined(MT6589) ) chr_status = upmu_is_chr_det(); #endif if (chr_status) // charger plugged in { if (!chr_pluggedin || dir_update) { chr_cmd[2] = 6; ret = gtp_i2c_write(i2c_client_point, chr_cmd, 3); if (ret > 0) { GTP_INFO("Update status for Charger Plugin"); if (gtp_send_chr_cfg(i2c_client_point) < 0) { GTP_ERROR("Send charger config failed."); } else { GTP_DEBUG("Send charger config."); } } chr_pluggedin = 1; } } else // charger plugged out { if (chr_pluggedin || dir_update) { chr_cmd[2] = 7; ret = gtp_i2c_write(i2c_client_point, chr_cmd, 3); if (ret > 0) { GTP_INFO("Update status for Charger Plugout"); if (gtp_send_cfg(i2c_client_point) < 0) { GTP_ERROR("Send normal config failed."); } else { GTP_DEBUG("Send normal config."); } } chr_pluggedin = 0; } } } #endif

static int touch_event_handler(void *unused) { struct sched_param param = { .sched_priority = RTPM_PRIO_TPD }; u8 end_cmd[3] = {GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF, 0}; u8 point_data[2 + 1 + 8 * GTP_MAX_TOUCH + 1] = {GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF}; u8 touch_num = 0; u8 finger = 0; static u8 pre_touch = 0; static u8 pre_key = 0; #if GTP_WITH_PEN u8 pen_active = 0; static u8 pre_pen = 0; #endif u8 key_value = 0; u8 *coor_data = NULL; s32 input_x = 0; s32 input_y = 0; s32 input_w = 0; s32 id = 0; s32 i = 0; s32 ret = -1; #if GTP_COMPATIBLE_MODE u8 rqst_data[3] = {(u8)(GTP_REG_RQST >> 8), (u8)(GTP_REG_RQST & 0xFF), 0}; #endif

#ifdef TPD_PROXIMITY s32 err = 0; hwm_sensor_data sensor_data; u8 proximity_status; #endif

#if GTP_GESTURE_WAKEUP u8 doze_buf[3] = {0x81, 0x4B}; #endif

sched_setscheduler(current, SCHED_RR, &param); do { set_current_state(TASK_INTERRUPTIBLE); while (tpd_halt) { #if GTP_GESTURE_WAKEUP if (DOZE_ENABLED == doze_status) { break; } #endif tpd_flag = 0; msleep(20); }

wait_event_interruptible(waiter, tpd_flag != 0); tpd_flag = 0; TPD_DEBUG_SET_TIME; set_current_state(TASK_RUNNING);

#if GTP_CHARGER_SWITCH gtp_charger_switch(0); #endif

#if GTP_GESTURE_WAKEUP if(p_gesture_control == 0) { if (DOZE_ENABLED == doze_status) { ret = gtp_i2c_read(i2c_client_point, doze_buf, 3); GTP_DEBUG("0x814B = 0x%02X", doze_buf[2]); if (ret > 0) { // if ((doze_buf[2] == 'a') || (doze_buf[2] == 'b') || (doze_buf[2] == 'c') || // (doze_buf[2] == 'd') || (doze_buf[2] == 'e') || (doze_buf[2] == 'g') || // (doze_buf[2] == 'h') || (doze_buf[2] == 'm') || (doze_buf[2] == 'o') || // (doze_buf[2] == 'q') || (doze_buf[2] == 's') || (doze_buf[2] == 'v') || // (doze_buf[2] == 'w') || (doze_buf[2] == 'y') || (doze_buf[2] == 'z') || // (doze_buf[2] == 0x5E) /* ^ */|| (doze_buf[2] == 0x3E)/* > */ // ) /* { if (doze_buf[2] != 0x5E) { GTP_INFO("Wakeup by gesture(%c), light up the screen!", doze_buf[2]); } else { GTP_INFO("Wakeup by gesture(^), light up the screen!"); } doze_status = DOZE_WAKEUP; input_report_key(tpd->dev, KEY_POWER, 1); input_sync(tpd->dev); input_report_key(tpd->dev, KEY_POWER, 0); input_sync(tpd->dev); // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3); } */ if ((doze_buf[2] == 'c') || (doze_buf[2] == 'e') || (doze_buf[2] == 'm') || (doze_buf[2] == 'o') || (doze_buf[2] == 's') || (doze_buf[2] == 'v') || (doze_buf[2] == 'w') || (doze_buf[2] == 'z') ) { if (((doze_buf[2] == 'v') && ((gesture_three_byte_three & 0x01) == 0x01)) || ((doze_buf[2] == 'c') && ((gesture_three_byte_three & 0x02) == 0x02)) || ((doze_buf[2] == 'e') && ((gesture_three_byte_three & 0x04) == 0x04)) || ((doze_buf[2] == 'w') && ((gesture_three_byte_three & 0x08) == 0x08)) || ((doze_buf[2] == 'm') && ((gesture_three_byte_three & 0x10) == 0x10)) || ((doze_buf[2] == 's') && ((gesture_three_byte_three & 0x20) == 0x20)) || ((doze_buf[2] == 'z') && ((gesture_three_byte_three & 0x40) == 0x40)) || ((doze_buf[2] == 'o') && ((gesture_three_byte_three & 0x80) == 0x80)) ) { GTP_INFO("Wakeup by gesture(%c), light up the screen!", doze_buf[2]); doze_status = DOZE_WAKEUP; input_report_key(tpd->dev, KEY_GESTURE, 1); input_sync(tpd->dev); input_report_key(tpd->dev, KEY_GESTURE, 0); input_sync(tpd->dev);

if(doze_buf[2] == 'v') { gesture_data = 0xC6; } else if(doze_buf[2] == 'c') { gesture_data = 0xC1; } else if(doze_buf[2] == 'e') { gesture_data = 0xC0; } else if(doze_buf[2] == 'w') { gesture_data = 0xC2; } else if(doze_buf[2] == 'm') { gesture_data = 0xC3; } else if(doze_buf[2] == 's') { gesture_data = 0xC5; } else if(doze_buf[2] == 'z') { gesture_data = 0xCA; } else //doze_buf[2] == 'o' { gesture_data = 0xC4; } // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3);

gtp_enter_doze(i2c_client_point); } else { // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3); gtp_enter_doze(i2c_client_point); } } else if ( (doze_buf[2] == 0xAA) || (doze_buf[2] == 0xBB) || (doze_buf[2] == 0xAB) || (doze_buf[2] == 0xBA) ) { char *direction[4] = {"Right", "Down", "Up", "Left"}; u8 type = ((doze_buf[2] & 0x0F) - 0x0A) + (((doze_buf[2] >> 4) & 0x0F) - 0x0A) * 2; if(((type == 0) && ((gesture_three_byte_four & 0x01) == 0x01)) || ((type == 1) && ((gesture_three_byte_four & 0x04) == 0x04)) || ((type == 2) && ((gesture_three_byte_four & 0x08) == 0x08)) || ((type == 3) && ((gesture_three_byte_four & 0x02) ==0x02)) ) { GTP_INFO("%s slide to light up the screen!", direction[type]); doze_status = DOZE_WAKEUP; input_report_key(tpd->dev, KEY_GESTURE, 1); input_sync(tpd->dev); input_report_key(tpd->dev, KEY_GESTURE, 0); input_sync(tpd->dev); // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3); if(type == 0) { gesture_data = 0xB1; } else if(type == 1) { gesture_data = 0xB3; } else if(type == 2) { gesture_data = 0xB2; } else //type==3 { gesture_data = 0xB0; }

gtp_enter_doze(i2c_client_point); } else { // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3); gtp_enter_doze(i2c_client_point); } } else if (0xCC == doze_buf[2]) { if((gesture_three_byte_two & 0x01)== 0x01) { GTP_INFO("Double click to light up the screen!"); doze_status = DOZE_WAKEUP; input_report_key(tpd->dev, KEY_GESTURE, 1); input_sync(tpd->dev); input_report_key(tpd->dev, KEY_GESTURE, 0); input_sync(tpd->dev); // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3); gesture_data = DOUBLE_TAP;

gtp_enter_doze(i2c_client_point); } else { // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3); gtp_enter_doze(i2c_client_point); } } else { // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3); gtp_enter_doze(i2c_client_point); } } continue; } } else { // clear 0x814B doze_buf[2] = 0x00; gtp_i2c_write(i2c_client_point, doze_buf, 3); gtp_enter_doze(i2c_client_point); } #endif ret = gtp_i2c_read(i2c_client_point, point_data, 12); if (ret < 0) { GTP_ERROR("I2C transfer error. errno:%d\n ", ret); continue; } finger = point_data[GTP_ADDR_LENGTH]; #if GTP_COMPATIBLE_MODE if ((finger == 0x00) && (CHIP_TYPE_GT9F == gtp_chip_type)) { ret = gtp_i2c_read(i2c_client_point, rqst_data, 3);

if(ret < 0) { GTP_ERROR("I2C transfer error. errno:%d\n ", ret); continue; } switch (rqst_data[2]) { case GTP_RQST_BAK_REF: GTP_INFO("Request Ref."); rqst_processing = 1; ret = gtp_bak_ref_proc(i2c_client_point, GTP_BAK_REF_SEND); if(SUCCESS == ret) { GTP_INFO("Send ref success."); rqst_data[2] = GTP_RQST_RESPONDED; gtp_i2c_write(i2c_client_point, rqst_data, 3); rqst_processing = 0; } goto exit_work_func; case GTP_RQST_CONFIG: GTP_INFO("Request Config."); ret = gtp_send_cfg(i2c_client_point); if (ret < 0) { GTP_ERROR("Send config error."); } else { GTP_INFO("Send config success."); rqst_data[2] = GTP_RQST_RESPONDED; gtp_i2c_write(i2c_client_point, rqst_data, 3); } goto exit_work_func; case GTP_RQST_MAIN_CLOCK: GTP_INFO("Request main clock."); rqst_processing = 1; ret = gtp_main_clk_proc(i2c_client_point); if(SUCCESS == ret) { GTP_INFO("Send main clk success."); rqst_data[2] = GTP_RQST_RESPONDED; gtp_i2c_write(i2c_client_point, rqst_data, 3); rqst_processing = 0; } goto exit_work_func; case GTP_RQST_RESET: GTP_INFO("Request Reset."); gtp_recovery_reset(i2c_client_point); goto exit_work_func; default: GTP_INFO("Undefined request code: 0x%02X", rqst_data[2]); rqst_data[2] = GTP_RQST_RESPONDED; gtp_i2c_write(i2c_client_point, rqst_data, 3); break; } } #endif if (finger == 0x00) { continue; } if ((finger & 0x80) == 0) { goto exit_work_func; } #ifdef TPD_PROXIMITY if (tpd_proximity_flag == 1) { proximity_status = point_data[GTP_ADDR_LENGTH]; GTP_DEBUG("REG INDEX[0x814E]:0x%02X\n", proximity_status);

if (proximity_status & 0x60) //proximity or large touch detect,enable hwm_sensor. { tpd_proximity_detect = 0; //sensor_data.values[0] = 0; } else { tpd_proximity_detect = 1; //sensor_data.values[0] = 1; }

//get raw data GTP_DEBUG(" ps change\n"); GTP_DEBUG("PROXIMITY STATUS:0x%02X\n", tpd_proximity_detect); //map and store data to hwm_sensor_data sensor_data.values[0] = tpd_get_ps_value(); sensor_data.value_divide = 1; sensor_data.status = SENSOR_STATUS_ACCURACY_MEDIUM; //report to the up-layer ret = hwmsen_get_interrupt_data(ID_PROXIMITY, &sensor_data);

if (ret) { GTP_ERROR("Call hwmsen_get_interrupt_data fail = %d\n", err); } }

#endif

touch_num = finger & 0x0f;

if (touch_num > GTP_MAX_TOUCH) { goto exit_work_func; }

if (touch_num > 1) { u8 buf[8 * GTP_MAX_TOUCH] = {(GTP_READ_COOR_ADDR + 10) >> 8, (GTP_READ_COOR_ADDR + 10) & 0xff};

ret = gtp_i2c_read(i2c_client_point, buf, 2 + 8 * (touch_num - 1)); memcpy(&point_data[12], &buf[2], 8 * (touch_num - 1)); }

#if (GTP_HAVE_TOUCH_KEY || GTP_PEN_HAVE_BUTTON) key_value = point_data[3 + 8 * touch_num];

if (key_value || pre_key) { #if GTP_PEN_HAVE_BUTTON if (key_value == 0x40) { GTP_DEBUG("BTN_STYLUS & BTN_STYLUS2 Down."); input_report_key(pen_dev, BTN_STYLUS, 1); input_report_key(pen_dev, BTN_STYLUS2, 1); pen_active = 1; } else if (key_value == 0x10) { GTP_DEBUG("BTN_STYLUS Down, BTN_STYLUS2 Up."); input_report_key(pen_dev, BTN_STYLUS, 1); input_report_key(pen_dev, BTN_STYLUS2, 0); pen_active = 1; } else if (key_value == 0x20) { GTP_DEBUG("BTN_STYLUS Up, BTN_STYLUS2 Down."); input_report_key(pen_dev, BTN_STYLUS, 0); input_report_key(pen_dev, BTN_STYLUS2, 1); pen_active = 1; } else { GTP_DEBUG("BTN_STYLUS & BTN_STYLUS2 Up."); input_report_key(pen_dev, BTN_STYLUS, 0); input_report_key(pen_dev, BTN_STYLUS2, 0); if ( (pre_key == 0x40) || (pre_key == 0x20) || (pre_key == 0x10) ) { pen_active = 1; } } if (pen_active) { touch_num = 0; // shield pen point //pre_touch = 0; // clear last pen status } #endif #if GTP_HAVE_TOUCH_KEY if (!pre_touch) { for (i = 0; i < GTP_MAX_KEY_NUM; i++) { input_report_key(tpd->dev, touch_key_array[i], key_value & (0x01 << i)); } touch_num = 0; // shiled fingers } #endif } #endif pre_key = key_value;

GTP_DEBUG("pre_touch:%02x, finger:%02x.", pre_touch, finger); if (touch_num) { for (i = 0; i < touch_num; i++) { coor_data = &point_data[i * 8 + 3];

id = coor_data[0] & 0x0F; input_x = coor_data[1] | coor_data[2] << 8; input_y = coor_data[3] | coor_data[4] << 8; input_w = coor_data[5] | coor_data[6] << 8;

input_x = TPD_WARP_X(abs_x_max, input_x); input_y = TPD_WARP_Y(abs_y_max, input_y);

#if GTP_WITH_PEN id = coor_data[0]; if ((id & 0x80)) // pen/stylus is activated { GTP_DEBUG("Pen touch DOWN!"); pre_pen = 1; //id &= 0x7F; id = 0; GTP_DEBUG("(%d)(%d, %d)[%d]", id, input_x, input_y, input_w); gtp_pen_down(input_x, input_y, input_w, id); pen_active = 1; } else #endif { GTP_DEBUG(" (%d)(%d, %d)[%d]", id, input_x, input_y, input_w); tpd_down(input_x, input_y, input_w, id); } } } else { if (pre_touch) { #if GTP_WITH_PEN if (pre_pen) { GTP_DEBUG("Pen touch UP!"); gtp_pen_up(); pre_pen = 0; pen_active = 1; } else #endif { GTP_DEBUG("Touch Release!"); tpd_up(0, 0, 0); } } } pre_touch = touch_num; #if GTP_WITH_PEN if (pen_active) { pen_active = 0; input_sync(pen_dev); } else #endif { input_sync(tpd->dev); }

exit_work_func:

if (!gtp_rawdiff_mode) { ret = gtp_i2c_write(i2c_client_point, end_cmd, 3);

if (ret < 0) { GTP_INFO("I2C write end_cmd error!"); } }

} while (!kthread_should_stop());

return 0; }

static int tpd_local_init(void) { #ifdef TPD_POWER_SOURCE_CUSTOM #ifdef CONFIG_OF_TOUCH #ifdef CONFIG_ARCH_MT6580 tpd->reg=regulator_get(tpd->tpd_dev,TPD_POWER_SOURCE_CUSTOM); // get pointer to regulator structure if (IS_ERR(tpd->reg)) { GTP_ERROR("regulator_get() failed!\n"); } #endif #endif #endif #if GTP_ESD_PROTECT clk_tick_cnt = 2 * HZ; // HZ: clock ticks in 1 second generated by system GTP_DEBUG("Clock ticks for an esd cycle: %d", clk_tick_cnt); INIT_DELAYED_WORK(&gtp_esd_check_work, gtp_esd_check_func); gtp_esd_check_workqueue = create_workqueue("gtp_esd_check"); spin_lock_init(&esd_lock); // 2.6.39 & later // esd_lock = SPIN_LOCK_UNLOCKED; // 2.6.39 & before #endif

#if GTP_SUPPORT_I2C_DMA tpd->dev->dev.coherent_dma_mask = DMA_BIT_MASK(32); gpDMABuf_va = (u8 *)dma_alloc_coherent(&tpd->dev->dev, GTP_DMA_MAX_TRANSACTION_LENGTH, &gpDMABuf_pa, GFP_KERNEL); if(!gpDMABuf_va){ GTP_INFO("[Error] Allocate DMA I2C Buffer failed!\n"); } memset(gpDMABuf_va, 0, GTP_DMA_MAX_TRANSACTION_LENGTH); #endif if (i2c_add_driver(&tpd_i2c_driver) != 0) { GTP_INFO("unable to add i2c driver.\n"); return -1; }

if (tpd_load_status == 0) //if(tpd_load_status == 0) // disable auto load touch driver for linux3.0 porting { GTP_INFO("add error touch panel driver.\n"); i2c_del_driver(&tpd_i2c_driver); return -1; }

#ifdef TPD_HAVE_BUTTON tpd_button_setting(TPD_KEY_COUNT, tpd_keys_local, tpd_keys_dim_local);// initialize tpd button data #endif

#if (defined(TPD_WARP_START) && defined(TPD_WARP_END)) TPD_DO_WARP = 1; memcpy(tpd_wb_start, tpd_wb_start_local, TPD_WARP_CNT * 4); memcpy(tpd_wb_end, tpd_wb_start_local, TPD_WARP_CNT * 4); #endif

#if (defined(TPD_HAVE_CALIBRATION) && !defined(TPD_CUSTOM_CALIBRATION)) memcpy(tpd_calmat, tpd_def_calmat_local, 8 * 4); memcpy(tpd_def_calmat, tpd_def_calmat_local, 8 * 4); #endif

// set vendor string tpd->dev->id.vendor = 0x00; tpd->dev->id.product = tpd_info.pid; tpd->dev->id.version = tpd_info.vid;

GTP_INFO("end %s, %d\n", __FUNCTION__, __LINE__); tpd_type_cap = 1;

return 0; }

static s8 gtp_enter_doze(struct i2c_client *client) { s8 ret = -1; s8 retry = 0; u8 i2c_control_buf[3] = {(u8)(GTP_REG_SLEEP >> 8), (u8)GTP_REG_SLEEP, 8};

GTP_DEBUG_FUNC();

GTP_DEBUG("Entering gesture mode..."); while(retry++ < 5) { i2c_control_buf[0] = 0x80; i2c_control_buf[1] = 0x46; ret = gtp_i2c_write(client, i2c_control_buf, 3); if (ret < 0) { GTP_DEBUG("Failed to set gesture flag into 0x8046, %d", retry); continue; } i2c_control_buf[0] = 0x80; i2c_control_buf[1] = 0x40; ret = gtp_i2c_write(client, i2c_control_buf, 3); if (ret > 0) { doze_status = DOZE_ENABLED; GTP_INFO("Gesture mode enabled."); return ret; } msleep(10); } GTP_ERROR("GTP send gesture cmd failed."); return ret; }

/******************************************************* Function: Eter sleep function.

Input: client:i2c_client.

Output: Executive outcomes.0--success,non-0--fail. *******************************************************/ static s8 gtp_enter_sleep(struct i2c_client *client) { #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { u8 i2c_status_buf[3] = {0x80, 0x44, 0x00}; s32 ret = 0; ret = gtp_i2c_read(client, i2c_status_buf, 3); if(ret <= 0) { GTP_ERROR("[gtp_enter_sleep]Read ref status reg error."); } if (i2c_status_buf[2] & 0x80) { //Store bak ref ret = gtp_bak_ref_proc(client, GTP_BAK_REF_STORE); if(FAIL == ret) { GTP_ERROR("[gtp_enter_sleep]Store bak ref failed."); } } } #endif #if GTP_POWER_CTRL_SLEEP

GTP_GPIO_OUTPUT(GTP_RST_PORT, 0); GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); msleep(10);

#ifdef MT6573 mt_set_gpio_mode(GPIO_CTP_EN_PIN, GPIO_CTP_EN_PIN_M_GPIO); mt_set_gpio_dir(GPIO_CTP_EN_PIN, GPIO_DIR_OUT); mt_set_gpio_out(GPIO_CTP_EN_PIN, GPIO_OUT_ZERO); msleep(30); #else // ( defined(MT6575) || defined(MT6577) || defined(MT6589) )

#ifdef TPD_POWER_SOURCE_1800 hwPowerDown(TPD_POWER_SOURCE_1800, "TP"); #endif #ifdef TPD_POWER_SOURCE_CUSTOM hwPowerDown(TPD_POWER_SOURCE_CUSTOM, "TP"); #else hwPowerDown(MT65XX_POWER_LDO_VGP2, "TP"); #endif #endif GTP_INFO("GTP enter sleep by poweroff!"); return 0; #else { s8 ret = -1; s8 retry = 0; u8 i2c_control_buf[3] = {(u8)(GTP_REG_SLEEP >> 8), (u8)GTP_REG_SLEEP, 5}; GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); msleep(5); while (retry++ < 5) { ret = gtp_i2c_write(client, i2c_control_buf, 3); if (ret > 0) { GTP_INFO("GTP enter sleep!"); return ret; } msleep(10); } GTP_ERROR("GTP send sleep cmd failed."); return ret; } #endif }

/******************************************************* Function: Wakeup from sleep mode Function.

Input: client:i2c_client.

Output: Executive outcomes.0--success,non-0--fail. *******************************************************/ static s8 gtp_wakeup_sleep(struct i2c_client *client) { u8 retry = 0; s8 ret = -1;

GTP_DEBUG("GTP wakeup begin.");

#if (GTP_POWER_CTRL_SLEEP)

#if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { force_reset_guitar(); GTP_INFO("Esd recovery wakeup."); return 0; } #endif

while (retry++ < 5) { ret = tpd_power_on(client);

if (ret < 0) { GTP_ERROR("I2C Power on ERROR!"); continue; } GTP_INFO("Ic wakeup by poweron"); return 0; } #else

#if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { u8 opr_buf[2] = {0}; while (retry++ < 10) { GTP_GPIO_OUTPUT(GTP_INT_PORT, 1); msleep(5); ret = gtp_i2c_test(client); if (ret >= 0) { // Hold ss51 & dsp opr_buf[0] = 0x0C; ret = i2c_write_bytes(client, 0x4180, opr_buf, 1); if (ret < 0) { GTP_DEBUG("Hold ss51 & dsp I2C error,retry:%d", retry); continue; } // Confirm hold opr_buf[0] = 0x00; ret = i2c_read_bytes(client, 0x4180, opr_buf, 1); if (ret < 0) { GTP_DEBUG("confirm ss51 & dsp hold, I2C error,retry:%d", retry); continue; } if (0x0C != opr_buf[0]) { GTP_DEBUG("ss51 & dsp not hold, val: %d, retry: %d", opr_buf[0], retry); continue; } GTP_DEBUG("ss51 & dsp has been hold"); ret = gtp_fw_startup(client); if (FAIL == ret) { GTP_ERROR("[gtp_wakeup_sleep]Startup fw failed."); continue; } GTP_INFO("flashless wakeup sleep success"); return ret; } force_reset_guitar(); retry = 0; break; } if (retry >= 10) { GTP_ERROR("wakeup retry timeout, process esd reset"); force_reset_guitar(); } GTP_ERROR("GTP wakeup sleep failed."); return ret; } #endif while (retry++ < 10) { #if GTP_GESTURE_WAKEUP if((gesture_three_byte_one == 0) || ((gesture_three_byte_two == 0) && (gesture_three_byte_three == 0) && (gesture_three_byte_four == 0))) { GTP_GPIO_OUTPUT(GTP_INT_PORT, 1); msleep(5); } else { if (DOZE_WAKEUP != doze_status) { GTP_INFO("Powerkey wakeup."); } else { GTP_INFO("Gesture wakeup."); } doze_status = DOZE_DISABLED; gtp_irq_disable(); //mt65xx_eint_mask(CUST_EINT_TOUCH_PANEL_NUM); gtp_reset_guitar(client, 20); //mt65xx_eint_unmask(CUST_EINT_TOUCH_PANEL_NUM); gtp_irq_enable(); } #else GTP_GPIO_OUTPUT(GTP_INT_PORT, 1); msleep(5); #endif ret = gtp_i2c_test(client);

if (ret >= 0) { GTP_INFO("GTP wakeup sleep."); #if (!GTP_GESTURE_WAKEUP) { gtp_int_sync(25); #if GTP_ESD_PROTECT gtp_init_ext_watchdog(client); #endif } #endif if((gesture_three_byte_one == 0) || ((gesture_three_byte_two == 0) && (gesture_three_byte_three == 0) && (gesture_three_byte_four == 0))) { gtp_int_sync(25); #if GTP_ESD_PROTECT gtp_init_ext_watchdog(client); #endif } return ret; } gtp_reset_guitar(client, 20); } #endif GTP_ERROR("GTP wakeup sleep failed."); return ret; }

/* Function to manage low power suspend */ static void tpd_suspend(struct early_suspend *h) { s32 ret = -1;

GTP_INFO("System suspend.");

#ifdef TPD_PROXIMITY

if (tpd_proximity_flag == 1) { return ; }

#endif

tpd_halt = 1; #if GTP_ESD_PROTECT gtp_esd_switch(i2c_client_point, SWITCH_OFF); #endif #if GTP_GESTURE_WAKEUP if((gesture_three_byte_one == 0) || ((gesture_three_byte_two == 0) && (gesture_three_byte_three == 0) && (gesture_three_byte_four == 0))) { gtp_irq_disable(); ret = gtp_enter_sleep(i2c_client_point); } else { ret = gtp_enter_doze(i2c_client_point); } #else //mt65xx_eint_mask(CUST_EINT_TOUCH_PANEL_NUM); gtp_irq_disable(); ret = gtp_enter_sleep(i2c_client_point); #endif if (ret < 0) { GTP_ERROR("GTP early suspend failed."); } // to avoid waking up while not sleeping, delay 48 + 10ms to ensure reliability msleep(58); }

/* Function to manage power-on resume */ static void tpd_resume(struct early_suspend *h) { s32 ret = -1;

GTP_INFO("System resume."); #ifdef TPD_PROXIMITY

if (tpd_proximity_flag == 1) { return ; }

#endif ret = gtp_wakeup_sleep(i2c_client_point);

if (ret < 0) { GTP_ERROR("GTP later resume failed."); } #if GTP_COMPATIBLE_MODE if (CHIP_TYPE_GT9F == gtp_chip_type) { // do nothing } else #endif { gtp_send_cfg(i2c_client_point); } #if GTP_CHARGER_SWITCH gtp_charger_switch(1); // force update #endif

tpd_halt = 0; #if GTP_GESTURE_WAKEUP if((gesture_three_byte_one == 0) || ((gesture_three_byte_two == 0) && (gesture_three_byte_three == 0) && (gesture_three_byte_four == 0))) { gtp_irq_enable(); } else { doze_status = DOZE_DISABLED; } #else //mt65xx_eint_unmask(CUST_EINT_TOUCH_PANEL_NUM); gtp_irq_enable(); #endif

#if GTP_ESD_PROTECT gtp_esd_switch(i2c_client_point, SWITCH_ON); #endif

}

static struct tpd_driver_t tpd_device_driver = { .tpd_device_name = "gt9xx", .tpd_local_init = tpd_local_init, .suspend = tpd_suspend, .resume = tpd_resume, #ifdef TPD_HAVE_BUTTON .tpd_have_button = 1, #else .tpd_have_button = 0, #endif };

/* called when loaded into kernel */ static int __init tpd_driver_init(void) { GTP_INFO("MediaTek gt91xx touch panel driver init\n");

i2c_register_board_info(I2C_BUS_NUMBER, &i2c_tpd, 1); if (tpd_driver_add(&tpd_device_driver) < 0) GTP_INFO("add generic driver failed\n");

return 0; }

/* should never be called */ static void __exit tpd_driver_exit(void) { GTP_INFO("MediaTek gt91xx touch panel driver exit\n"); tpd_driver_remove(&tpd_device_driver); #if GTP_COVER_CONTROL unregister_cover_notifier(&cover_notifier1); #endif #if GTP_P_GESTURE_CONTROL unregister_gesture_notifier(&gesture_notifier1); #endif }

module_init(tpd_driver_init); module_exit(tpd_driver_exit);

ltr599.c_new:

#include <linux/earlysuspend.h> #include <linux/wakelock.h> #include <linux/sched.h> #include <alsps.h> #include <linux/mutex.h>

#undef CUSTOM_KERNEL_SENSORHUB #ifdef CUSTOM_KERNEL_SENSORHUB #include <SCP_sensorHub.h> #endif

#define POWER_NONE_MACRO MT65XX_POWER_NONE #define GN_MTK_BSP_PS_DYNAMIC_CALI

#define LTR559_DEV_NAME "LTR_559ALS"

#define APS_ERR_ST(f) printk(KERN_ERR APS_TAG"%s %d : ", __FUNCTION__, __LINE__)

extern int gesture_notifier_call_chain(unsigned long val, void *v); //add by chen gesture /*----------------------------------------------------------------------------*/