static int apds9130_enable_ps_sensor(struct i2c_client *client, int val)
{
struct apds9130_data *data = i2c_get_clientdata(client);
printk(KERN_INFO"enable ps sensor ( %d)\n", val);
/* APDS9130_DISABLE_PS (0) = Disable PS */
/* APDS9130_ENABLE_PS_WITH_INT (1) = Enable PS with interrupt enabled */
if(val == APDS9130_ENABLE_PS_WITH_INT ) {
#if defined(APDS9130_PROXIMITY_CAL)
data->cross_talk = apds9130_read_crosstalk_data_fs();
#ifdef CONFIG_LEDS_LP5521
if(data->cross_talk <= 10 || data->cross_talk>870)
#else
if(data->cross_talk < 0 || data->cross_talk>870)
#endif
{
printk(KERN_INFO"[%s] FROM FS data->crosstalk = %d", __func__, data->cross_talk);
data->cross_talk = PS_DEFAULT_CROSS_TALK;
}
printk(KERN_INFO"%s Cross_talk : %d\n", __FUNCTION__, data->cross_talk);
apds9130_Set_PS_Threshold_Adding_Cross_talk(client, data->cross_talk);
printk(KERN_INFO"%s apds9130_Set_PS_Threshold_Adding_Cross_talk\n", __FUNCTION__);
printk(KERN_INFO"%s apds9130_Set_PS_Threshold_Adding_Cross_talk = %d\n", __FUNCTION__,data->cross_talk);
#endif
//turn on p sensor
data->enable_ps_sensor = val;
apds9130_set_enable(client,0); /* Power Off */
apds9130_set_pilt(client, 0); // init threshold for proximity
apds9130_set_piht(client, data->ps_threshold); //[LGSI_SP4_BSP][[email protected]] add calibrated threshold
//[LGSI_SP4_BSP_BEGIN][[email protected]] Report the Far Detection evertytime when u enable the sensor 07-11-2012
input_report_abs(data->input_dev_ps, ABS_DISTANCE, PROX_INPUT_FAR);/* NEAR-to-FAR detection */
input_sync(data->input_dev_ps);
//[LGSI_SP4_BSP_END][[email protected]] Report the Far Detection evertytime when u enable the sensor
apds9130_set_enable(client, 0x2D); /* enable PS interrupt */
}
else {
apds9130_set_enable(client, 0);
data->enable_ps_sensor = 0;
}
return 0;
}
#ifdef CONFIG_PM
static int apds9130_suspend(struct i2c_client *client, pm_message_t mesg)
{
#if 1
#else
struct apds9130_data *data = i2c_get_clientdata(client);
if(data->sw_mode == PROX_STAT_SHUTDOWN)
return 0;
apds9130_set_enable(client, 0);
apds9130_set_command(client, 2);
__cancel_delayed_work(&data->dwork);
flush_delayed_work(&data->dwork);
flush_workqueue(apds9130_workqueue);
data->sw_mode = PROX_STAT_SHUTDOWN;
disable_irq(client->irq);
/* err = pdata->power(0);
if(err < 0) {
printk(KERN_INFO "%s, Proximity Power Off Fail in susped\n",__func__);
return err;
}
*/
irq_set_irq_wake(client->irq, 0);
if(NULL != apds9130_workqueue){
destroy_workqueue(apds9130_workqueue);
printk(KERN_INFO "%s, Destroy workqueue\n",__func__);
apds9130_workqueue = NULL;
}
#endif
}
static int __devexit apds9130_remove(struct i2c_client *client)
{
struct apds9130_data *data = i2c_get_clientdata(client);
/* Power down the device */
apds9130_set_enable(client, 0);
sysfs_remove_group(&client->dev.kobj, &apds9130_attr_group);
disable_irq_wake(client->irq);
free_irq(client->irq, client);
input_unregister_device(data->input_dev_ps);
input_free_device(data->input_dev_ps);
wake_lock_destroy(&data->ps_wlock);
//
mutex_destroy(&data->update_lock);
//
kfree(data);
}
static int __devexit apds9130_remove(struct i2c_client *client)
{
struct apds9130_data *data = i2c_get_clientdata(client);
/* Power down the device */
apds9130_set_enable(client, 0);
sysfs_remove_group(&client->dev.kobj, &apds9130_attr_group);
disable_irq_wake(client->irq);
free_irq(client->irq, client);
input_unregister_device(data->input_dev_ps);
input_free_device(data->input_dev_ps);
wake_lock_destroy(&data->ps_wlock);
//[LGSI_SP4_BSP_BEGIN][[email protected]] 30-11-2012 Destroy the mutex after its usage
mutex_destroy(&data->update_lock);
//[LGSI_SP4_BSP_END][[email protected]]
kfree(data);
static int apds9130_enable_ps_sensor(struct i2c_client *client, int val)
{
struct apds9130_data *data = i2c_get_clientdata(client);
printk(KERN_INFO"enable ps sensor ( %d)\n", val);
/* APDS9130_DISABLE_PS (0) = Disable PS */
/* APDS9130_ENABLE_PS_WITH_INT (1) = Enable PS with interrupt enabled */
if(val == APDS9130_ENABLE_PS_WITH_INT ) {
#if defined(APDS9130_PROXIMITY_CAL)
data->cross_talk = apds9130_read_crosstalk_data_fs();
if(data->cross_talk < 0 || data->cross_talk>870)
data->cross_talk = PS_DEFAULT_CROSS_TALK;
printk(KERN_INFO"%s Cross_talk : %d\n", __FUNCTION__, data->cross_talk);
apds9130_Set_PS_Threshold_Adding_Cross_talk(client, data->cross_talk);
printk(KERN_INFO"%s apds9130_Set_PS_Threshold_Adding_Cross_talk\n", __FUNCTION__);
printk(KERN_INFO"%s apds9130_Set_PS_Threshold_Adding_Cross_talk = %d\n", __FUNCTION__,data->cross_talk);
#endif
//turn on p sensor
data->enable_ps_sensor = val;
apds9130_set_enable(client,0); /* Power Off */
apds9130_set_pilt(client, 0); // init threshold for proximity
apds9130_set_piht(client, data->ps_threshold); //
//
input_report_abs(data->input_dev_ps, ABS_DISTANCE, PROX_INPUT_FAR);/* NEAR-to-FAR detection */
input_sync(data->input_dev_ps);
//
apds9130_set_enable(client, 0x2D); /* enable PS interrupt */
}
else {
apds9130_set_enable(client, 0);
data->enable_ps_sensor = 0;
}
return 0;
}
*/
static int apds9130_init_client(struct i2c_client *client)
{
struct apds9130_data *data = i2c_get_clientdata(client);
int err;
int id;
err = apds9130_set_enable(client, 0);
if (err < 0)
return err;
data->pDrive = APDS9130_PDRVIE_100MA;
id = i2c_smbus_read_byte_data(client, CMD_BYTE|APDS9130_ID_REG);
if (id == 0x39) {
printk(KERN_INFO"APDS-9130\n");
}
else {
printk(KERN_INFO"Not APDS-9130 %x\n", id);
return -EIO;
}
err = apds9130_set_ptime(client, 0xFF); // 2.72ms Prox integration time
if (err < 0) return err;
err = apds9130_set_wtime(client, 0xDC); // 100ms Wait time for POLL_MEDIUM
if (err < 0) return err;
err = apds9130_set_ppcount(client, APDS9130_PS_PULSE_NUMBER);
if (err < 0) return err;
err = apds9130_set_config(client, 0); // no long wait
if (err < 0) return err;
err = apds9130_set_control(client, APDS9130_PDRVIE_100MA|APDS9130_PRX_IR_DIOD|APDS9130_PGAIN_2X); // 2012.10.10 PGAIN 4x-> 2x chkim.
if (err < 0) return err;
err = apds9130_set_pilt(client, 0); // init threshold for proximity
if (err < 0) return err;
err = apds9130_set_piht(client, APDS9130_PS_DETECTION_THRESHOLD);
if (err < 0) return err;
err = apds9130_set_pers(client, APDS9130_PPERS_2); // 2 consecutive Interrupt persistence
if (err < 0) return err;
// sensor is in disabled mode but all the configurations are preset
/* Temp block the below code as no need to set cross talk threshold during proximity OFF state [LGSI_SP4_BSP][[email protected]]
#if defined(APDS9130_PROXIMITY_CAL)
err = apds9130_set_enable(client,0);
if(err < 0){
printk(KERN_INFO "%s, enable set Fail\n",__func__);
return err;
}
#endif
*/
*/
static int apds9130_init_client(struct i2c_client *client)
{
struct apds9130_data *data = i2c_get_clientdata(client);
int err;
int id;
err = apds9130_set_enable(client, 0);
if (err < 0)
return err;
data->pDrive = APDS9130_PDRVIE_100MA;
id = i2c_smbus_read_byte_data(client, CMD_BYTE|APDS9130_ID_REG);
if (id == 0x39) {
printk(KERN_INFO"APDS-9130\n");
}
else {
printk(KERN_INFO"Not APDS-9130 %x\n", id);
return -EIO;
}
err = apds9130_set_ptime(client, 0xFF); // 2.72ms Prox integration time
if (err < 0) return err;
err = apds9130_set_wtime(client, 0xDC); // 100ms Wait time for POLL_MEDIUM
if (err < 0) return err;
err = apds9130_set_ppcount(client, APDS9130_PS_PULSE_NUMBER);
if (err < 0) return err;
err = apds9130_set_config(client, 0); // no long wait
if (err < 0) return err;
err = apds9130_set_control(client, APDS9130_PDRVIE_100MA|APDS9130_PRX_IR_DIOD|APDS9130_PGAIN_2X); // 2012.10.10 PGAIN 4x-> 2x chkim.
if (err < 0) return err;
err = apds9130_set_pilt(client, 0); // init threshold for proximity
if (err < 0) return err;
err = apds9130_set_piht(client, APDS9130_PS_DETECTION_THRESHOLD);
if (err < 0) return err;
err = apds9130_set_pers(client, APDS9130_PPERS_2); // 2 consecutive Interrupt persistence
if (err < 0) return err;
// sensor is in disabled mode but all the configurations are preset
/*
*/
static int apds9130_suspend(struct i2c_client *client, pm_message_t mesg)
{
struct apds9130_data *data = i2c_get_clientdata(client);
printk("[ProximitySensor] %s [%x][%d]\n", __func__, data->enable, data->irq_wake);
disable_irq(data->irq);
if( !enable_irq_wake(data->irq) )
data->irq_wake = 1;
flush_delayed_work_sync(&data->dwork);
if( data->enable & 0x20 ) {
apds9130_set_enable(client, 0x25);
} else {
apds9130_set_enable(client, 0);
}
return 0;
}
/*
* Initialization function
*/
static int apds9130_init_client(struct i2c_client *client)
{
int err;
int id;
err = apds9130_set_enable(client, 0);
if (err < 0)
return err;
id = i2c_smbus_read_byte_data(client, CMD_BYTE|APDS9130_ID_REG);
if (id == 0x39) {
printk("[ProximitySensor] APDS-9130\n");
} else {
printk("[ProximitySensor_E] Not APDS-9130 %x\n", id);
return -EIO;
}
err = apds9130_set_ptime(client, 0xFF); // 2.72ms Prox integration time
if (err < 0) return err;
err = apds9130_set_wtime(client, 0xDC); // 100ms Wait time for POLL_MEDIUM
if (err < 0) return err;
err = apds9130_set_ppcount(client, APDS9130_PS_PULSE_NUMBER);
if (err < 0) return err;
err = apds9130_set_config(client, 0); // no long wait
if (err < 0) return err;
#if defined(CONFIG_MACH_LGE_L9II_OPEN_EU)
err = apds9130_set_control(client, APDS9130_PDRVIE_100MA|APDS9130_PRX_IR_DIOD|APDS9130_PGAIN_2X);
#else
err = apds9130_set_control(client, APDS9130_PDRVIE_100MA|APDS9130_PRX_IR_DIOD|APDS9130_PGAIN_4X);
#endif
if (err < 0) return err;
err = apds9130_set_pilt(client, 1023); // to force first Near-to-Far interrupt
if (err < 0) return err;
err = apds9130_set_piht(client, 0);
if (err < 0) return err;
err = apds9130_set_pers(client, APDS9130_PPERS_2); // 2 consecutive Interrupt persistence
if (err < 0) return err;
// sensor is in disabled mode but all the configurations are preset
return 0;
}
}
static int apds9130_resume(struct i2c_client *client)
{
#if 1
#else
struct apds9130_data *data = i2c_get_clientdata(client);
int ret;
int err = 0;
if(apds9130_workqueue == NULL) {
apds9130_workqueue = create_workqueue("proximity");
if(NULL == apds9130_workqueue)
return -ENOMEM;
}
printk(KERN_INFO"apds9190_resume \n");
if(data->sw_mode == PROX_STAT_OPERATING)
return 0;
enable_irq(client->irq);
mdelay(50);
err = apds9130_set_enable(client, 0x2D);
if(err < 0){
printk(KERN_INFO "%s, enable set Fail\n",__func__);
return -1;
}
data->sw_mode = PROX_STAT_OPERATING;
ret = irq_set_irq_wake(client->irq, 1);
if(ret)
irq_set_irq_wake(client->irq, 0);
apds9130_set_command(client, 0);
#endif
static int apds9130_Run_Cross_talk_Calibration(struct i2c_client *client)
{
struct apds9130_data *data = i2c_get_clientdata(client);
unsigned int sum_of_pdata = 0,temp_pdata[20];
unsigned int ret=0,i=0,j=0,ArySize = 20,cal_check_flag = 0;
unsigned int old_enable = 0;
printk(KERN_INFO"%s Enter \n", __FUNCTION__);
old_enable = data->enable;
RE_CALIBRATION:
sum_of_pdata = 0;
apds9130_set_enable(client, 0x0D);
msleep(50);
for(i =0;i<20;i++) {
temp_pdata[i] = i2c_smbus_read_word_data(client, CMD_WORD|APDS9130_PDATAL_REG);
mdelay(6);
}
for(i=0; i<ArySize-1; i++)
for(j=i+1; j<ArySize; j++)
if(temp_pdata[i] > temp_pdata[j])
apds9130_swap(temp_pdata+i, temp_pdata+j);
for (i = 5;i<15;i++)
sum_of_pdata = sum_of_pdata + temp_pdata[i];
data->cross_talk = sum_of_pdata/10;
if (data->cross_talk>870)
{
if (cal_check_flag == 0)
{
cal_check_flag = 1;
goto RE_CALIBRATION;
}
else
{
apds9130_set_enable(client,0x00);
apds9130_set_enable(client,old_enable);
return -1;
}
}
#ifdef CONFIG_LEDS_LP5521
data->ps_threshold = 100 + data->cross_talk;
data->ps_hysteresis_threshold = data->ps_threshold - 40;
#else
data->ps_threshold = 150 + data->cross_talk;
data->ps_hysteresis_threshold = data->ps_threshold - 60;
#endif
ret = apds9130_backup_crosstalk_data_fs(data->cross_talk);
if(ret < 0)
{
printk(KERN_ERR"[%s] apds9130_backup_crosstalk_data_fs fail ",__func__);
return -1;
}
printk(KERN_INFO"%s threshold : %d\n", __FUNCTION__, data->ps_threshold);
printk(KERN_INFO"%s Hysteresis_threshold : %d\n",__FUNCTION__, data->ps_hysteresis_threshold);
apds9130_set_enable(client,0x00);
apds9130_set_enable(client,old_enable);
printk(KERN_INFO"%s Leave\n", __FUNCTION__);
return data->cross_talk;
}
static int apds9130_Run_Cross_talk_Calibration(struct i2c_client *client)
{
struct apds9130_data *data = i2c_get_clientdata(client);
int pdata[20], total_pdata = 0;
int i, j, temp;
bool isCal = false;
printk("===================================================\n%s: START proximity sensor calibration\n", __func__);
// proximity enable & wait
apds9130_set_enable(client, 0x0D);
RE_CALIBRATION:
// read 20 data to calculate the average pdata at no-object state
for(i=0; i<20; i++) {
pdata[i] = i2c_smbus_read_word_data(client, CMD_WORD|APDS9130_PDATAL_REG);
mdelay(5);
}
// pdata sorting
for(i=0; i<19; i++) {
for(j=i+1; j<20; j++) {
if(pdata[i] > pdata[j]) {
temp = pdata[i];
pdata[i] = pdata[j];
pdata[j] = temp;
}
}
}
// calculate the cross-talk using central 10 data
for(i=5; i<15; i++) {
printk("pdata = %d\n", pdata[i]);
total_pdata += pdata[i];
}
// store cross_talk value into the apds9190_data structure
data->cross_talk = total_pdata / 10;
data->avg_cross_talk = data->cross_talk;
// check if the calibrated cross_talk data is valid or not
if(data->cross_talk > MAX_CROSS_TALK) {
printk("[ProximitySensor] %s: invalid calibrated data\n", __func__);
if(!isCal) {
printk("[ProximitySensor] %s: RE_CALIBRATION start\n", __func__);
isCal = true;
total_pdata = 0;
goto RE_CALIBRATION;
} else {
printk("[ProximitySensor] %s: CALIBRATION FAIL -> cross_talk is set to DEFAULT\n", __func__);
data->cross_talk = DEFAULT_CROSS_TALK;
}
}
// proximity disable
apds9130_set_enable(client, 0x00);
printk("[ProximitySensor] %s: total_pdata = %d & cross_talk = %d\n%s: FINISH proximity sensor calibration\n===================================================\n",
__func__, total_pdata, data->cross_talk, __func__);
return data->cross_talk;
}
static int apds9130_enable_ps_sensor(struct i2c_client *client, int val)
{
struct apds9130_data *data = i2c_get_clientdata(client);
printk("[ProximitySensor] %s(%d)\n", __func__, val);
if ((val != APDS9130_DISABLE_PS) && (val != APDS9130_ENABLE_PS_WITH_INT) && (val != APDS9130_ENABLE_PS_NO_INT)) {
printk("[ProximitySensor_E] %s : invalid value(%d)\n", __func__, val);
return -1;
}
/* APDS9130_DISABLE_PS (0) = Disable PS */
/* APDS9130_ENABLE_PS_WITH_INT (1) = Enable PS with interrupt enabled */
/* APDS9130_ENABLE_PS_NO_INT (2) = Enable PS without interrupt enabled */
if(val == APDS9130_ENABLE_PS_WITH_INT || val == APDS9130_ENABLE_PS_NO_INT) {
//turn on p sensor
data->enable_ps_sensor = val;
apds9130_set_enable(client,0); /* Power Off */
apds9130_set_pilt(client, 1023); // to force first Near-to-Far interrupt
apds9130_set_piht(client, 0);
/*
*/
apds9130_set_pers(client, APDS9130_PPERS_0);
if (val == APDS9130_ENABLE_PS_WITH_INT) {
apds9130_set_enable(client, 0x2D); /* enable PS interrupt */
/*
* If work is already scheduled then subsequent schedules will not
* change the scheduled time that's why we have to cancel it first.
*/
__cancel_delayed_work(&data->ps_dwork);
flush_delayed_work(&data->ps_dwork);
}
else {
apds9130_set_enable(client, 0x0D); /* no PS interrupt */
/*
* If work is already scheduled then subsequent schedules will not
* change the scheduled time that's why we have to cancel it first.
*/
__cancel_delayed_work(&data->ps_dwork);
flush_delayed_work(&data->ps_dwork);
schedule_delayed_work(&data->ps_dwork, msecs_to_jiffies(data->ps_poll_delay));
}
}
else {
apds9130_set_enable(client, 0);
data->enable_ps_sensor = 0;
/*
* If work is already scheduled then subsequent schedules will not
* change the scheduled time that's why we have to cancel it first.
*/
__cancel_delayed_work(&data->ps_dwork);
flush_delayed_work(&data->ps_dwork);
}
return 0;
}
