int alsps_driver_add(struct alsps_init_info* obj)
{
int err=0;
int i =0;
ALSPS_FUN();
for(i =0; i < MAX_CHOOSE_ALSPS_NUM; i++ )
{
if((i == 0) && (NULL == alsps_init_list[0])){
ALSPS_LOG("register alsps driver for the first time\n");
if(platform_driver_register(&als_ps_driver))
{
ALSPS_ERR("failed to register alsps driver already exist\n");
}
}
if(NULL == alsps_init_list[i])
{
obj->platform_diver_addr = &als_ps_driver;
alsps_init_list[i] = obj;
break;
}
}
if(NULL==alsps_init_list[i])
{
ALSPS_ERR("ALSPS driver add err \n");
err=-1;
}
return err;
}
//AAL functions****************************************
int alsps_aal_enable(int enable)
{
int ret = 0;
struct alsps_context *cxt = NULL;
if(!alsps_context_obj){
ALSPS_ERR("null pointer of alsps_context_obj!!\n");
return -1;
}
if(alsps_context_obj->als_ctl.enable_nodata == NULL){
ALSPS_ERR("alsps context obj not exsit in alsps_aal_enable\n");
return -1;
}
cxt = alsps_context_obj;
if(enable == 1){
if(alsps_context_obj->is_als_active_data == false)
ret = cxt->als_ctl.enable_nodata(enable);
}else if(enable == 0){
if(alsps_context_obj->is_als_active_data == false)
ret = cxt->als_ctl.enable_nodata(enable);
}
return ret;
}
static int alsps_probe(struct platform_device *pdev)
{
int err;
ALSPS_LOG("alsps_probe func called");
ALSPS_LOG("+++++++++++++alsps_probe!!\n");
alsps_context_obj = alsps_context_alloc_object();
if (!alsps_context_obj)
{
err = -ENOMEM;
ALSPS_ERR("unable to allocate devobj!\n");
goto exit_alloc_data_failed;
}
//init real alspseleration driver
err = alsps_real_driver_init();
if(err)
{
ALSPS_ERR("alsps real driver init fail\n");
goto real_driver_init_fail;
}
//init input dev
err = alsps_input_init(alsps_context_obj);
if(err)
{
ALSPS_ERR("unable to register alsps input device!\n");
goto exit_alloc_input_dev_failed;
}
atomic_set(&(alsps_context_obj->early_suspend), 0);
alsps_context_obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 1,
alsps_context_obj->early_drv.suspend = alsps_early_suspend,
alsps_context_obj->early_drv.resume = alsps_late_resume,
register_early_suspend(&alsps_context_obj->early_drv);
ALSPS_LOG("----alsps_probe OK !!\n");
return 0;
real_driver_init_fail:
exit_alloc_input_dev_failed:
kfree(alsps_context_obj);
exit_alloc_data_failed:
ALSPS_LOG("----alsps_probe fail !!!\n");
return err;
}
static ssize_t ps_store_active(struct device* dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct alsps_context *cxt = NULL;
//int err =0;
ALSPS_LOG("ps_store_active buf=%s\n",buf);
mutex_lock(&alsps_context_obj->alsps_op_mutex);
cxt = alsps_context_obj;
if (!strncmp(buf, "1", 1))
{
ps_enable_data(1);
}
else if (!strncmp(buf, "0", 1))
{
ps_enable_data(0);
}
else
{
ALSPS_ERR(" ps_store_active error !!\n");
}
mutex_unlock(&alsps_context_obj->alsps_op_mutex);
ALSPS_LOG(" ps_store_active done\n");
return count;
}
static ssize_t ps_store_delay(struct device* dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int delay=0;
int m_delay=0;
struct alsps_context *cxt = NULL;
mutex_lock(&alsps_context_obj->alsps_op_mutex);
cxt = alsps_context_obj;
if(NULL == cxt->ps_ctl.set_delay)
{
ALSPS_LOG("ps_ctl set_delay NULL\n");
mutex_unlock(&alsps_context_obj->alsps_op_mutex);
return count;
}
if (1 != sscanf(buf, "%d", &delay)) {
ALSPS_ERR("invalid format!!\n");
mutex_unlock(&alsps_context_obj->alsps_op_mutex);
return count;
}
if(false == cxt->ps_ctl.is_report_input_direct)
{
m_delay = (int)delay/1000/1000;
atomic_set(&alsps_context_obj->delay_ps, m_delay);
}
cxt->ps_ctl.set_delay(delay);
ALSPS_LOG(" ps_delay %d ns\n",delay);
mutex_unlock(&alsps_context_obj->alsps_op_mutex);
return count;
}
static ssize_t ps_store_batch(struct device* dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct alsps_context *cxt = NULL;
//int err =0;
ALSPS_LOG("ps_store_batch buf=%s\n",buf);
mutex_lock(&alsps_context_obj->alsps_op_mutex);
cxt = alsps_context_obj;
if(cxt->ps_ctl.is_support_batch){
if (!strncmp(buf, "1", 1))
{
cxt->is_ps_batch_enable = true;
}
else if (!strncmp(buf, "0", 1))
{
cxt->is_ps_batch_enable = false;
cxt->is_get_valid_ps_data_after_enable = false;
}
else
{
ALSPS_ERR(" ps_store_batch error !!\n");
}
}else{
ALSPS_LOG(" ps_store_batch not supported\n");
}
mutex_unlock(&alsps_context_obj->alsps_op_mutex);
ALSPS_LOG(" ps_store_batch done: %d\n", cxt->is_ps_batch_enable);
return count;
}
static int als_real_enable(int enable)
{
int err =0;
struct alsps_context *cxt = NULL;
cxt = alsps_context_obj;
if(1==enable)
{
if(true==cxt->is_als_active_data || true ==cxt->is_als_active_nodata)
{
err = cxt->als_ctl.enable_nodata(1);
if(err)
{
err = cxt->als_ctl.enable_nodata(1);
if(err)
{
err = cxt->als_ctl.enable_nodata(1);
if(err)
ALSPS_ERR("alsps enable(%d) err 3 timers = %d\n", enable, err);
}
}
ALSPS_LOG("alsps real enable \n" );
}
}
if(0 == enable)
{
if(false==cxt->is_als_active_data && false ==cxt->is_als_active_nodata)
{
ALSPS_LOG("AAL status is %d\n", aal_use);
if(aal_use == 0){
err = cxt->als_ctl.enable_nodata(0);
if(err)
{
ALSPS_ERR("alsps enable(%d) err = %d\n", enable, err);
}
}
ALSPS_LOG("alsps real disable \n" );
}
}
return err;
}
static int ps_real_enable(int enable)
{
int err =0;
struct alsps_context *cxt = NULL;
cxt = alsps_context_obj;
ALSPS_LOG("ps_real_enable func called");
if(1==enable)
{
if(true==cxt->is_ps_active_data || true ==cxt->is_ps_active_nodata)
{
err = cxt->ps_ctl.enable_nodata(1);
if(err)
{
err = cxt->ps_ctl.enable_nodata(1);
if(err)
{
err = cxt->ps_ctl.enable_nodata(1);
if(err)
ALSPS_ERR("ps enable(%d) err 3 timers = %d\n", enable, err);
}
}
ALSPS_LOG("ps real enable \n" );
}
}
if(0==enable)
{
if(false==cxt->is_ps_active_data && false ==cxt->is_ps_active_nodata)
{
err = cxt->ps_ctl.enable_nodata(0);
if(err)
{
ALSPS_ERR("ps enable(%d) err = %d\n", enable, err);
}
ALSPS_LOG("ps real disable \n" );
}
}
return err;
}
static int alsps_misc_init(struct alsps_context *cxt)
{
int err=0;
cxt->mdev.minor = MISC_DYNAMIC_MINOR;
cxt->mdev.name = ALSPS_MISC_DEV_NAME;
if((err = misc_register(&cxt->mdev)))
{
ALSPS_ERR("unable to register alsps misc device!!\n");
}
return err;
}
static int __init alsps_init(void)
{
ALSPS_FUN();
if(platform_driver_register(&alsps_driver))
{
ALSPS_ERR("failed to register alsps driver\n");
return -ENODEV;
}
return 0;
}
int als_register_control_path(struct als_control_path *ctl)
{
struct alsps_context *cxt = NULL;
int err =0;
cxt = alsps_context_obj;
cxt->als_ctl.set_delay = ctl->set_delay;
cxt->als_ctl.open_report_data= ctl->open_report_data;
cxt->als_ctl.enable_nodata = ctl->enable_nodata;
cxt->als_ctl.is_support_batch = ctl->is_support_batch;
cxt->als_ctl.is_report_input_direct= ctl->is_report_input_direct;
cxt->als_ctl.is_use_common_factory = ctl->is_use_common_factory;
if(NULL==cxt->als_ctl.set_delay || NULL==cxt->als_ctl.open_report_data
|| NULL==cxt->als_ctl.enable_nodata)
{
ALSPS_LOG("als register control path fail \n");
return -1;
}
//add misc dev for sensor hal control cmd
err = alsps_misc_init(alsps_context_obj);
if(err)
{
ALSPS_ERR("unable to register alsps misc device!!\n");
return -2;
}
err = sysfs_create_group(&alsps_context_obj->mdev.this_device->kobj,
&alsps_attribute_group);
if (err < 0)
{
ALSPS_ERR("unable to create alsps attribute file\n");
return -3;
}
kobject_uevent(&alsps_context_obj->mdev.this_device->kobj, KOBJ_ADD);
return 0;
}
static int ps_enable_data(int enable)
{
struct alsps_context *cxt = NULL;
//int err =0;
cxt = alsps_context_obj;
ALSPS_LOG("ps_enable_data func called");
if(NULL == cxt->ps_ctl.open_report_data)
{
ALSPS_ERR("no ps control path\n");
return -1;
}
if(1 == enable)
{
ALSPS_LOG("PS enable data\n");
cxt->is_ps_active_data =true;
cxt->is_ps_first_data_after_enable = true;
cxt->ps_ctl.open_report_data(1);
if(false == cxt->is_ps_polling_run && cxt->is_ps_batch_enable == false)
{
if(false == cxt->ps_ctl.is_report_input_direct)
{
mod_timer(&cxt->timer_ps, jiffies + atomic_read(&cxt->delay_ps)/(1000/HZ));
cxt->is_ps_polling_run = true;
cxt->is_get_valid_ps_data_after_enable = false;
}
}
}
if(0 == enable)
{
ALSPS_LOG("PS disable \n");
cxt->is_ps_active_data =false;
cxt->ps_ctl.open_report_data(0);
if(true == cxt->is_ps_polling_run)
{
if(false == cxt->ps_ctl.is_report_input_direct )
{
cxt->is_ps_polling_run = false;
smp_mb();
del_timer_sync(&cxt->timer_ps);
smp_mb();
cancel_work_sync(&cxt->report_ps);
cxt->drv_data.ps_data.values[0] = ALSPS_INVALID_VALUE;
}
}
}
ps_real_enable(enable);
return 0;
}
int alsps_aal_get_data()
{
int ret = 0;
struct alsps_context *cxt = NULL;
int value = 0;
int status = 0;
if(!alsps_context_obj){
ALSPS_ERR("alsps_context_obj null pointer!!\n");
return -1;
}
if(alsps_context_obj->als_data.get_data == NULL){
ALSPS_ERR("aal:get_data not exsit\n");
return -1;
}
cxt = alsps_context_obj;
ret = cxt->als_data.get_data(&value,&status);
if(ret < 0)
return -1;
return value;
}
static int alsps_remove(struct platform_device *pdev)
{
int err=0;
ALSPS_FUN(f);
input_unregister_device(alsps_context_obj->idev);
sysfs_remove_group(&alsps_context_obj->idev->dev.kobj,
&alsps_attribute_group);
if((err = misc_deregister(&alsps_context_obj->mdev)))
{
ALSPS_ERR("misc_deregister fail: %d\n", err);
}
kfree(alsps_context_obj);
return 0;
}
static ssize_t ps_store_batch(struct device* dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct alsps_context *cxt = NULL;
//int err =0;
ALSPS_LOG("ps_store_batch buf=%s\n",buf);
mutex_lock(&alsps_context_obj->alsps_op_mutex);
cxt = alsps_context_obj;
if(cxt->ps_ctl.is_support_batch){
if (!strncmp(buf, "1", 1))
{
cxt->is_ps_batch_enable = true;
if(true == cxt->is_ps_polling_run)
{
cxt->is_ps_polling_run = false;
del_timer_sync(&cxt->timer_ps);
cancel_work_sync(&cxt->report_ps);
cxt->drv_data.ps_data.values[0] = ALSPS_INVALID_VALUE;
cxt->drv_data.ps_data.values[1] = ALSPS_INVALID_VALUE;
cxt->drv_data.ps_data.values[2] = ALSPS_INVALID_VALUE;
}
}
else if (!strncmp(buf, "0", 1))
{
cxt->is_ps_batch_enable = false;
if(false == cxt->is_ps_polling_run)
{
if(false == cxt->ps_ctl.is_report_input_direct)
{
mod_timer(&cxt->timer_ps, jiffies + atomic_read(&cxt->delay_ps)/(1000/HZ));
cxt->is_ps_polling_run = true;
cxt->is_get_valid_ps_data_after_enable = false;
}
}
}
else
{
ALSPS_ERR(" ps_store_batch error !!\n");
}
}else{
ALSPS_LOG(" ps_store_batch not supported\n");
}
mutex_unlock(&alsps_context_obj->alsps_op_mutex);
ALSPS_LOG(" ps_store_batch done: %d\n", cxt->is_ps_batch_enable);
return count;
}
static struct alsps_context *alsps_context_alloc_object(void)
{
struct alsps_context *obj = kzalloc(sizeof(*obj), GFP_KERNEL);
ALSPS_LOG("alsps_context_alloc_object++++\n");
ALSPS_LOG("alsps_context func called");
if(!obj)
{
ALSPS_ERR("Alloc alsps object error!\n");
return NULL;
}
atomic_set(&obj->delay_als, 200); /*5Hz*/// set work queue delay time 200ms
atomic_set(&obj->delay_ps, 200); /*5Hz*/// set work queue delay time 200ms
atomic_set(&obj->wake, 0);
INIT_WORK(&obj->report_als, als_work_func);
INIT_WORK(&obj->report_ps, ps_work_func);
init_timer(&obj->timer_als);
init_timer(&obj->timer_ps);
obj->timer_als.expires = jiffies + atomic_read(&obj->delay_als)/(1000/HZ);
obj->timer_als.function = als_poll;
obj->timer_als.data = (unsigned long)obj;
obj->timer_ps.expires = jiffies + atomic_read(&obj->delay_ps)/(1000/HZ);
obj->timer_ps.function = ps_poll;
obj->timer_ps.data = (unsigned long)obj;
obj->is_als_first_data_after_enable = false;
obj->is_als_polling_run = false;
obj->is_ps_first_data_after_enable = false;
obj->is_ps_polling_run = false;
mutex_init(&obj->alsps_op_mutex);
obj->is_als_batch_enable = false;//for batch mode init
obj->is_ps_batch_enable = false;//for batch mode init
ALSPS_LOG("alsps_context_alloc_object----\n");
return obj;
}
static int alsps_probe(struct platform_device *pdev)
{
int err;
ALSPS_LOG("+++++++++++++alsps_probe!!\n");
alsps_context_obj = alsps_context_alloc_object();
if (!alsps_context_obj)
{
err = -ENOMEM;
ALSPS_ERR("unable to allocate devobj!\n");
goto exit_alloc_data_failed;
}
//init real alspseleration driver
err = alsps_real_driver_init();
if(err)
{
ALSPS_ERR("alsps real driver init fail\n");
goto real_driver_init_fail;
}
//init alsps common factory mode misc device
err = alsps_factory_device_init();
if(err)
{
ALSPS_ERR("alsps factory device already registed\n");
}
//init input dev
err = alsps_input_init(alsps_context_obj);
if(err)
{
ALSPS_ERR("unable to register alsps input device!\n");
goto exit_alloc_input_dev_failed;
}
#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(CONFIG_EARLYSUSPEND)
atomic_set(&(alsps_context_obj->early_suspend), 0);
alsps_context_obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 1,
alsps_context_obj->early_drv.suspend = alsps_early_suspend,
alsps_context_obj->early_drv.resume = alsps_late_resume,
register_early_suspend(&alsps_context_obj->early_drv);
#endif
ALSPS_LOG("----alsps_probe OK !!\n");
return 0;
//exit_hwmsen_create_attr_failed:
//exit_misc_register_failed:
//exit_err_sysfs:
real_driver_init_fail:
exit_alloc_input_dev_failed:
kfree(alsps_context_obj);
alsps_context_obj = NULL;
exit_alloc_data_failed:
ALSPS_LOG("----alsps_probe fail !!!\n");
return err;
}
static void als_work_func(struct work_struct *work)
{
struct alsps_context *cxt = NULL;
//int out_size;
//hwm_sensor_data sensor_data;
int value=0,status=0;
int64_t nt;
struct timespec time;
int err;
cxt = alsps_context_obj;
if(NULL == cxt->als_data.get_data)
{
ALSPS_ERR("alsps driver not register data path\n");
return;
}
time.tv_sec = time.tv_nsec = 0;
time = get_monotonic_coarse();
nt = time.tv_sec*1000000000LL+time.tv_nsec;
//add wake lock to make sure data can be read before system suspend
err = cxt->als_data.get_data(&value,&status);
if(err)
{
ALSPS_ERR("get alsps data fails!!\n" );
goto als_loop;
}
else
{
{
cxt->drv_data.als_data.values[0] = value;
cxt->drv_data.als_data.status = status;
cxt->drv_data.als_data.time = nt;
}
}
if(true == cxt->is_als_first_data_after_enable)
{
cxt->is_als_first_data_after_enable = false;
//filter -1 value
if(ALSPS_INVALID_VALUE == cxt->drv_data.als_data.values[0] )
{
ALSPS_LOG(" read invalid data \n");
goto als_loop;
}
}
//report data to input device
//printk("new alsps work run....\n");
//ALSPS_LOG("als data[%d] \n" ,cxt->drv_data.als_data.values[0]);
als_data_report(cxt->idev,
cxt->drv_data.als_data.values[0],
cxt->drv_data.als_data.status);
als_loop:
if(true == cxt->is_als_polling_run)
{
{
mod_timer(&cxt->timer_als, jiffies + atomic_read(&cxt->delay_als)/(1000/HZ));
}
}
}