int acc_driver_add(struct acc_init_info* obj)
{
int err=0;
int i =0;
ACC_FUN();
for(i =0; i < MAX_CHOOSE_G_NUM; i++ )
{
if(i == 0){
ACC_LOG("register gensor driver for the first time\n");
if(platform_driver_register(&gsensor_driver))
{
ACC_ERR("failed to register gensor driver already exist\n");
}
}
if(NULL == gsensor_init_list[i])
{
obj->platform_diver_addr = &gsensor_driver;
gsensor_init_list[i] = obj;
break;
}
}
if(NULL==gsensor_init_list[i])
{
ACC_ERR("ACC driver add err \n");
err=-1;
}
return err;
}
static int acc_real_enable(int enable)
{
int err = 0;
struct acc_context *cxt = NULL;
cxt = acc_context_obj;
if (1 == enable) {
if (true == cxt->is_active_data || true == cxt->is_active_nodata) {
err = cxt->acc_ctl.enable_nodata(1);
if (err) {
err = cxt->acc_ctl.enable_nodata(1);
if (err) {
err = cxt->acc_ctl.enable_nodata(1);
if (err)
ACC_ERR("acc enable(%d) err 3 timers = %d\n",
enable, err);
}
}
ACC_LOG("acc real enable\n");
}
}
if (0 == enable) {
if (false == cxt->is_active_data && false == cxt->is_active_nodata) {
err = cxt->acc_ctl.enable_nodata(0);
if (err)
ACC_ERR("acc enable(%d) err = %d\n", enable, err);
ACC_LOG("acc real disable\n");
}
}
return err;
}
int acc_register_control_path(struct acc_control_path *ctl)
{
struct acc_context *cxt = NULL;
int err = 0;
cxt = acc_context_obj;
cxt->acc_ctl.set_delay = ctl->set_delay;
cxt->acc_ctl.open_report_data = ctl->open_report_data;
cxt->acc_ctl.enable_nodata = ctl->enable_nodata;
cxt->acc_ctl.is_support_batch = ctl->is_support_batch;
cxt->acc_ctl.is_report_input_direct = ctl->is_report_input_direct;
cxt->acc_ctl.acc_calibration = ctl->acc_calibration;
if (NULL == cxt->acc_ctl.set_delay || NULL == cxt->acc_ctl.open_report_data
|| NULL == cxt->acc_ctl.enable_nodata) {
ACC_LOG("acc register control path fail\n");
return -1;
}
/* add misc dev for sensor hal control cmd */
err = acc_misc_init(acc_context_obj);
if (err) {
ACC_ERR("unable to register acc misc device!!\n");
return -2;
}
err = sysfs_create_group(&acc_context_obj->mdev.this_device->kobj, &acc_attribute_group);
if (err < 0) {
ACC_ERR("unable to create acc attribute file\n");
return -3;
}
kobject_uevent(&acc_context_obj->mdev.this_device->kobj, KOBJ_ADD);
return 0;
}
static ssize_t acc_store_delay(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int64_t delay = 0;
int64_t mdelay = 0;
int ret = 0;
struct acc_context *cxt = NULL;
mutex_lock(&acc_context_obj->acc_op_mutex);
cxt = acc_context_obj;
if (NULL == cxt->acc_ctl.set_delay) {
ACC_LOG("acc_ctl set_delay NULL\n");
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
ret = kstrtoll(buf, 10, &delay);
if (ret != 0) {
ACC_ERR("invalid format!!\n");
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
if (false == cxt->acc_ctl.is_report_input_direct) {
mdelay = delay;
do_div(mdelay, 1000000);
atomic_set(&acc_context_obj->delay, mdelay);
}
cxt->acc_ctl.set_delay(delay);
ACC_LOG(" acc_delay %lld ns\n", delay);
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
static ssize_t acc_store_enable_nodata(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct acc_context *cxt = NULL;
ACC_LOG("acc_store_enable nodata buf=%s\n", buf);
mutex_lock(&acc_context_obj->acc_op_mutex);
cxt = acc_context_obj;
if (NULL == cxt->acc_ctl.enable_nodata) {
ACC_LOG("acc_ctl enable nodata NULL\n");
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
if (!strncmp(buf, "1", 1)) {
/* cxt->acc_ctl.enable_nodata(1); */
acc_enable_nodata(1);
} else if (!strncmp(buf, "0", 1)) {
/* cxt->acc_ctl.enable_nodata(0); */
acc_enable_nodata(0);
} else {
ACC_ERR(" acc_store enable nodata cmd error !!\n");
}
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
static void startTimer(struct hrtimer *timer, int delay_ms, bool first)
{
struct acc_context *obj = (struct acc_context *)container_of(timer, struct acc_context, hrTimer);
static int count;
if (obj == NULL) {
ACC_ERR("NULL pointer\n");
return;
}
if (first) {
obj->target_ktime = ktime_add_ns(ktime_get(), (int64_t)delay_ms*1000000);
/* ACC_LOG("%d, cur_nt = %lld, delay_ms = %d, target_nt = %lld\n", count,
getCurNT(), delay_ms, ktime_to_us(obj->target_ktime)); */
count = 0;
} else {
do {
obj->target_ktime = ktime_add_ns(obj->target_ktime, (int64_t)delay_ms*1000000);
} while (ktime_to_ns(obj->target_ktime) < ktime_to_ns(ktime_get()));
/* ACC_LOG("%d, cur_nt = %lld, delay_ms = %d, target_nt = %lld\n", count,
getCurNT(), delay_ms, ktime_to_us(obj->target_ktime)); */
count++;
}
hrtimer_start(timer, obj->target_ktime, HRTIMER_MODE_ABS);
}
static ssize_t acc_store_active(struct device* dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct acc_context *cxt = NULL;
//int err =0;
ACC_LOG("acc_store_active buf=%s\n",buf);
mutex_lock(&acc_context_obj->acc_op_mutex);
cxt = acc_context_obj;
if(NULL == cxt->acc_ctl.open_report_data)
{
ACC_LOG("acc_ctl enable NULL\n");
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
if (!strncmp(buf, "1", 1))
{
// cxt->acc_ctl.enable(1);
acc_enable_data(1);
}
else if (!strncmp(buf, "0", 1))
{
//cxt->acc_ctl.enable(0);
acc_enable_data(0);
}
else
{
ACC_ERR(" acc_store_active error !!\n");
}
mutex_unlock(&acc_context_obj->acc_op_mutex);
ACC_LOG(" acc_store_active done\n");
return count;
}
static struct acc_context *acc_context_alloc_object(void)
{
struct acc_context *obj = kzalloc(sizeof(*obj), GFP_KERNEL);
ACC_LOG("acc_context_alloc_object++++\n");
if (!obj) {
ACC_ERR("Alloc accel object error!\n");
return NULL;
}
atomic_set(&obj->delay, 200); /*5Hz , set work queue delay time 200ms */
atomic_set(&obj->wake, 0);
INIT_WORK(&obj->report, acc_work_func);
obj->accel_workqueue = NULL;
obj->accel_workqueue = create_workqueue("accel_polling");
if (!obj->accel_workqueue) {
kfree(obj);
return NULL;
}
initTimer(&obj->hrTimer, acc_poll);
obj->is_first_data_after_enable = false;
obj->is_polling_run = false;
mutex_init(&obj->acc_op_mutex);
obj->is_batch_enable = false;/* for batch mode init */
obj->cali_sw[ACC_AXIS_X] = 0;
obj->cali_sw[ACC_AXIS_Y] = 0;
obj->cali_sw[ACC_AXIS_Z] = 0;
ACC_LOG("acc_context_alloc_object----\n");
return obj;
}
static ssize_t acc_store_delay(struct device* dev, struct device_attribute *attr,
const char *buf, size_t count)
{
// struct acc_context *devobj = (struct acc_context*)dev_get_drvdata(dev);
int delay = 0;
int mdelay=0;
struct acc_context *cxt = NULL;
//int err =0;
mutex_lock(&acc_context_obj->acc_op_mutex);
cxt = acc_context_obj;
if(NULL == cxt->acc_ctl.set_delay)
{
ACC_LOG("acc_ctl set_delay NULL\n");
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
if (1 != sscanf(buf, "%d", &delay)) {
ACC_ERR("invalid format!!\n");
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
if(false == cxt->acc_ctl.is_report_input_direct)
{
mdelay = (int)delay/1000/1000;
atomic_set(&acc_context_obj->delay, mdelay);
}
cxt->acc_ctl.set_delay(delay);
ACC_LOG(" acc_delay %d ns\n",delay);
mutex_unlock(&acc_context_obj->acc_op_mutex);
return count;
}
static ssize_t acc_store_batch(struct device* dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct acc_context *cxt = NULL;
mutex_lock(&acc_context_obj->acc_op_mutex);
ACC_LOG("acc_store_batch buf=%s\n",buf);
cxt = acc_context_obj;
if(cxt->acc_ctl.is_support_batch)
{
if (!strncmp(buf, "1", 1))
{
cxt->is_batch_enable = true;
}
else if (!strncmp(buf, "0", 1))
{
cxt->is_batch_enable = false;
}
else
{
ACC_ERR(" acc_store_batch error !!\n");
}
}
else
{
ACC_LOG(" acc_store_batch mot supported\n");
}
mutex_unlock(&acc_context_obj->acc_op_mutex);
ACC_LOG(" acc_store_batch done: %d\n", cxt->is_batch_enable);
return count;
}
static struct acc_context *acc_context_alloc_object(void)
{
struct acc_context *obj = kzalloc(sizeof(*obj), GFP_KERNEL);
ACC_LOG("acc_context_alloc_object++++\n");
if(!obj)
{
ACC_ERR("Alloc accel object error!\n");
return NULL;
}
atomic_set(&obj->delay, 200); /*5Hz*/// set work queue delay time 200ms
atomic_set(&obj->wake, 0);
INIT_WORK(&obj->report, acc_work_func);
init_timer(&obj->timer);
obj->timer.expires = jiffies + atomic_read(&obj->delay)/(1000/HZ);
obj->timer.function = acc_poll;
obj->timer.data = (unsigned long)obj;
obj->is_first_data_after_enable = false;
obj->is_polling_run = false;
mutex_init(&obj->acc_op_mutex);
obj->is_batch_enable = false;//for batch mode init
obj->cali_sw[ACC_AXIS_X]=0;
obj->cali_sw[ACC_AXIS_Y]=0;
obj->cali_sw[ACC_AXIS_Z]=0;
ACC_LOG("acc_context_alloc_object----\n");
return obj;
}
static int acc_probe(struct platform_device *pdev)
{
int err = 0;
ACC_LOG("+++++++++++++accel_probe!!\n");
acc_context_obj = acc_context_alloc_object();
if (!acc_context_obj)
{
err = -ENOMEM;
ACC_ERR("unable to allocate devobj!\n");
goto exit_alloc_data_failed;
}
//init real acceleration driver
err = acc_real_driver_init();
if(err)
{
ACC_ERR("acc real driver init fail\n");
goto real_driver_init_fail;
}
//init input dev
err = acc_input_init(acc_context_obj);
if(err)
{
ACC_ERR("unable to register acc input device!\n");
goto exit_alloc_input_dev_failed;
}
err = sm_input_init();
if(err)
{
ACC_ERR("unable to register acc input device!\n");
goto exit_alloc_input_dev_failed;
}
atomic_set(&(acc_context_obj->early_suspend), 0);
acc_context_obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 1,
acc_context_obj->early_drv.suspend = acc_early_suspend,
acc_context_obj->early_drv.resume = acc_late_resume,
register_early_suspend(&acc_context_obj->early_drv);
ACC_LOG("----accel_probe OK !!\n");
return 0;
real_driver_init_fail:
exit_alloc_input_dev_failed:
kfree(acc_context_obj);
exit_alloc_data_failed:
ACC_LOG("----accel_probe fail !!!\n");
return err;
}
static int acc_probe(void)
{
int err;
ACC_LOG("+++++++++++++accel_probe!!\n");
acc_context_obj = acc_context_alloc_object();
if (!acc_context_obj) {
err = -ENOMEM;
ACC_ERR("unable to allocate devobj!\n");
goto exit_alloc_data_failed;
}
/* init real acceleration driver */
err = acc_real_driver_init();
if (err) {
ACC_ERR("acc real driver init fail\n");
goto real_driver_init_fail;
}
/* init acc common factory mode misc device */
err = acc_factory_device_init();
if (err)
ACC_ERR("acc factory device already registed\n");
/* init input dev */
err = acc_input_init(acc_context_obj);
if (err) {
ACC_ERR("unable to register acc input device!\n");
goto exit_alloc_input_dev_failed;
}
ACC_LOG("----accel_probe OK !!\n");
return 0;
real_driver_init_fail:
exit_alloc_input_dev_failed:
kfree(acc_context_obj);
exit_alloc_data_failed:
ACC_ERR("----accel_probe fail !!!\n");
return err;
}
static int __init acc_init(void)
{
ACC_FUN();
if(platform_driver_register(&acc_driver))
{
ACC_ERR("failed to register acc driver\n");
return -ENODEV;
}
return 0;
}
static int acc_factory_open(struct inode *inode, struct file *file)
{
file->private_data = acc_context_obj;
if (file->private_data == NULL)
{
ACC_ERR("null pointer!!\n");
return -EINVAL;
}
return nonseekable_open(inode, file);
}
static int __init acc_init(void)
{
ACC_LOG("acc_init\n");
if (acc_probe()) {
ACC_ERR("failed to register acc driver\n");
return -ENODEV;
}
return 0;
}
static int acc_misc_init(struct acc_context *cxt)
{
int err=0;
cxt->mdev.minor = MISC_DYNAMIC_MINOR;
cxt->mdev.name = ACC_MISC_DEV_NAME;
if((err = misc_register(&cxt->mdev)))
{
ACC_ERR("unable to register acc misc device!!\n");
}
//dev_set_drvdata(cxt->mdev.this_device, cxt);
return err;
}
static int acc_remove(struct platform_device *pdev)
{
int err=0;
ACC_FUN(f);
input_unregister_device(acc_context_obj->idev);
sysfs_remove_group(&acc_context_obj->idev->dev.kobj,
&acc_attribute_group);
if((err = misc_deregister(&acc_context_obj->mdev)))
{
ACC_ERR("misc_deregister fail: %d\n", err);
}
kfree(acc_context_obj);
return 0;
}
static int acc_remove(void)
{
int err = 0;
input_unregister_device(acc_context_obj->idev);
sysfs_remove_group(&acc_context_obj->idev->dev.kobj, &acc_attribute_group);
err = misc_deregister(&acc_context_obj->mdev);
if (err)
ACC_ERR("misc_deregister fail: %d\n", err);
kfree(acc_context_obj);
return 0;
}
static int acc_enable_data(int enable)
{
struct acc_context *cxt = NULL;
//int err =0;
cxt = acc_context_obj;
if(NULL == cxt->acc_ctl.open_report_data)
{
ACC_ERR("no acc control path\n");
return -1;
}
if(1 == enable)
{
ACC_LOG("ACC enable data\n");
cxt->is_active_data =true;
cxt->is_first_data_after_enable = true;
cxt->acc_ctl.open_report_data(1);
if(false == cxt->is_polling_run && cxt->is_batch_enable == false)
{
if(false == cxt->acc_ctl.is_report_input_direct)
{
mod_timer(&cxt->timer, jiffies + atomic_read(&cxt->delay)/(1000/HZ));
cxt->is_polling_run = true;
}
}
}
if(0 == enable)
{
ACC_LOG("ACC disable \n");
cxt->is_active_data =false;
cxt->acc_ctl.open_report_data(0);
if(true == cxt->is_polling_run)
{
if(false == cxt->acc_ctl.is_report_input_direct)
{
cxt->is_polling_run = false;
del_timer_sync(&cxt->timer);
cancel_work_sync(&cxt->report);
cxt->drv_data.acc_data.values[0] = ACC_INVALID_VALUE;
cxt->drv_data.acc_data.values[1] = ACC_INVALID_VALUE;
cxt->drv_data.acc_data.values[2] = ACC_INVALID_VALUE;
}
}
}
acc_real_enable(enable);
return 0;
}
static ssize_t acc_store_batch(struct device* dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct acc_context *cxt = NULL;
//int err =0;
ACC_LOG("acc_store_batch buf=%s\n",buf);
mutex_lock(&acc_context_obj->acc_op_mutex);
cxt = acc_context_obj;
if(cxt->acc_ctl.is_support_batch){
if (!strncmp(buf, "1", 1))
{
cxt->is_batch_enable = true;
if(true == cxt->is_polling_run)
{
cxt->is_polling_run = false;
del_timer_sync(&cxt->timer);
cancel_work_sync(&cxt->report);
cxt->drv_data.acc_data.values[0] = ACC_INVALID_VALUE;
cxt->drv_data.acc_data.values[1] = ACC_INVALID_VALUE;
cxt->drv_data.acc_data.values[2] = ACC_INVALID_VALUE;
}
}
else if (!strncmp(buf, "0", 1))
{
cxt->is_batch_enable = false;
if(false == cxt->is_polling_run)
{
if(false == cxt->acc_ctl.is_report_input_direct)
{
mod_timer(&cxt->timer, jiffies + atomic_read(&cxt->delay)/(1000/HZ));
cxt->is_polling_run = true;
}
}
}
else
{
ACC_ERR(" acc_store_batch error !!\n");
}
}else{
ACC_LOG(" acc_store_batch mot supported\n");
}
mutex_unlock(&acc_context_obj->acc_op_mutex);
ACC_LOG(" acc_store_batch done: %d\n", cxt->is_batch_enable);
return count;
}
int acc_enable_nodata(int enable)
{
struct acc_context *cxt = NULL;
cxt = acc_context_obj;
if (NULL == cxt->acc_ctl.enable_nodata) {
ACC_ERR("acc_enable_nodata:acc ctl path is NULL\n");
return -1;
}
if (1 == enable)
cxt->is_active_nodata = true;
if (0 == enable)
cxt->is_active_nodata = false;
acc_real_enable(enable);
return 0;
}
static int acc_enable_data(int enable)
{
struct acc_context *cxt = NULL;
cxt = acc_context_obj;
if (NULL == cxt->acc_ctl.open_report_data) {
ACC_ERR("no acc control path\n");
return -1;
}
if (1 == enable) {
ACC_LOG("ACC enable data\n");
cxt->is_active_data = true;
cxt->is_first_data_after_enable = true;
cxt->acc_ctl.open_report_data(1);
acc_real_enable(enable);
if (false == cxt->is_polling_run && cxt->is_batch_enable == false) {
if (false == cxt->acc_ctl.is_report_input_direct) {
startTimer(&cxt->hrTimer, atomic_read(&cxt->delay), true);
cxt->is_polling_run = true;
}
}
}
if (0 == enable) {
ACC_LOG("ACC disable\n");
cxt->is_active_data = false;
cxt->acc_ctl.open_report_data(0);
if (true == cxt->is_polling_run) {
if (false == cxt->acc_ctl.is_report_input_direct) {
cxt->is_polling_run = false;
smp_mb();/* for memory barrier */
stopTimer(&cxt->hrTimer);
smp_mb();/* for memory barrier */
cancel_work_sync(&cxt->report);
cxt->drv_data.acc_data.values[0] = ACC_INVALID_VALUE;
cxt->drv_data.acc_data.values[1] = ACC_INVALID_VALUE;
cxt->drv_data.acc_data.values[2] = ACC_INVALID_VALUE;
}
}
acc_real_enable(enable);
}
return 0;
}
static ssize_t acc_store_batch(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct acc_context *cxt = NULL;
ACC_LOG("acc_store_batch buf=%s\n", buf);
mutex_lock(&acc_context_obj->acc_op_mutex);
cxt = acc_context_obj;
if (cxt->acc_ctl.is_support_batch) {
if (!strncmp(buf, "1", 1)) {
cxt->is_batch_enable = true;
if (true == cxt->is_polling_run) {
cxt->is_polling_run = false;
smp_mb(); /* for memory barrier */
stopTimer(&cxt->hrTimer);
smp_mb(); /* for memory barrier */
cancel_work_sync(&cxt->report);
cxt->drv_data.acc_data.values[0] = ACC_INVALID_VALUE;
cxt->drv_data.acc_data.values[1] = ACC_INVALID_VALUE;
cxt->drv_data.acc_data.values[2] = ACC_INVALID_VALUE;
}
} else if (!strncmp(buf, "0", 1)) {
cxt->is_batch_enable = false;
if (false == cxt->is_polling_run) {
if (false == cxt->acc_ctl.is_report_input_direct && true == cxt->is_active_data) {
startTimer(&cxt->hrTimer, atomic_read(&cxt->delay), true);
cxt->is_polling_run = true;
}
}
} else
ACC_ERR(" acc_store_batch error !!\n");
} else
ACC_LOG(" acc_store_batch mot supported\n");
mutex_unlock(&acc_context_obj->acc_op_mutex);
ACC_LOG(" acc_store_batch done: %d\n", cxt->is_batch_enable);
return count;
}
static int acc_probe(struct platform_device *pdev)
{
int err;
ACC_LOG("+++++++++++++accel_probe!!\n");
acc_context_obj = acc_context_alloc_object();
if (!acc_context_obj)
{
err = -ENOMEM;
ACC_ERR("unable to allocate devobj!\n");
goto exit_alloc_data_failed;
}
//init real acceleration driver
err = acc_real_driver_init();
if(err)
{
ACC_ERR("acc real driver init fail\n");
goto real_driver_init_fail;
}
//init acc common factory mode misc device
err = acc_factory_device_init();
if(err)
{
ACC_ERR("acc factory device already registed\n");
}
//init input dev
err = acc_input_init(acc_context_obj);
if(err)
{
ACC_ERR("unable to register acc input device!\n");
goto exit_alloc_input_dev_failed;
}
#if defined(CONFIG_HAS_EARLYSUSPEND)
atomic_set(&(acc_context_obj->early_suspend), 0);
acc_context_obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 1,
acc_context_obj->early_drv.suspend = acc_early_suspend,
acc_context_obj->early_drv.resume = acc_late_resume,
register_early_suspend(&acc_context_obj->early_drv);
#endif
ACC_LOG("----accel_probe OK !!\n");
return 0;
//exit_hwmsen_create_attr_failed:
//exit_misc_register_failed:
//exit_err_sysfs:
if (err)
{
ACC_ERR("sysfs node creation error \n");
acc_input_destroy(acc_context_obj);
}
real_driver_init_fail:
exit_alloc_input_dev_failed:
kfree(acc_context_obj);
exit_alloc_data_failed:
ACC_LOG("----accel_probe fail !!!\n");
return err;
}
static void acc_work_func(struct work_struct *work)
{
struct acc_context *cxt = NULL;
//int out_size;
//hwm_sensor_data sensor_data;
int x,y,z,status;
int64_t nt;
struct timespec time;
int err;
cxt = acc_context_obj;
if(NULL == cxt->acc_data.get_data)
{
ACC_LOG("acc driver not register data path\n");
}
time.tv_sec = time.tv_nsec = 0;
time = get_monotonic_coarse();
nt = time.tv_sec*1000000000LL+time.tv_nsec;
err = cxt->acc_data.get_data(&x,&y,&z,&status);
if(err)
{
ACC_ERR("get acc data fails!!\n" );
goto acc_loop;
}
else
{
{
if( 0 == x && 0==y
&& 0 == z)
{
goto acc_loop;
}
cxt->drv_data.acc_data.values[0] = x+cxt->cali_sw[0];
cxt->drv_data.acc_data.values[1] = y+cxt->cali_sw[1];
cxt->drv_data.acc_data.values[2] = z+cxt->cali_sw[2];
cxt->drv_data.acc_data.status = status;
cxt->drv_data.acc_data.time = nt;
}
}
if(true == cxt->is_first_data_after_enable)
{
cxt->is_first_data_after_enable = false;
//filter -1 value
if(ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[0] ||
ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[1] ||
ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[2])
{
ACC_LOG(" read invalid data \n");
goto acc_loop;
}
}
//report data to input device
//printk("new acc work run....\n");
//ACC_LOG("acc data[%d,%d,%d] \n" ,cxt->drv_data.acc_data.values[0],
//cxt->drv_data.acc_data.values[1],cxt->drv_data.acc_data.values[2]);
acc_data_report(cxt->drv_data.acc_data.values[0],
cxt->drv_data.acc_data.values[1],cxt->drv_data.acc_data.values[2],
cxt->drv_data.acc_data.status);
acc_loop:
if(true == cxt->is_polling_run)
{
mod_timer(&cxt->timer, jiffies + atomic_read(&cxt->delay)/(1000/HZ));
}
}
static long acc_factory_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *data;
int err = 0;
struct acc_context *cxt = acc_context_obj;
int x,y,z;
char strbuf[256];
int cali[3] = {0};
SENSOR_DATA sensor_data = {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)
{
ACC_ERR("access error: %08X, (%2d, %2d)\n", cmd, _IOC_DIR(cmd), _IOC_SIZE(cmd));
return -EFAULT;
}
switch (cmd)
{
case GSENSOR_IOCTL_INIT:
break;
case GSENSOR_IOCTL_READ_CHIPINFO:
break;
case GSENSOR_IOCTL_READ_SENSORDATA:
data = (void __user *) arg;
if (data == NULL)
{
err = -EINVAL;
break;
}
if(cxt->acc_ctl.enable_nodata != NULL){
err = cxt->acc_ctl.enable_nodata(1);
if(err)
{
err = cxt->acc_ctl.enable_nodata(1);
if(err)
{
err = cxt->acc_ctl.enable_nodata(1);
if(err)
ACC_ERR("acc ioctl enable err 3 timers = %d\n", err);
}
}
ACC_LOG("acc ioctl real enable \n" );
}
if(cxt->acc_data.get_data != NULL){
//err = cxt->acc_data.get_data(&x, &y, &z, &status);
err = cxt->acc_data.get_raw_data(&x, &y, &z);
if(err < 0)
{
ACC_ERR("GSENSOR_IOCTL_READ_SENSORDATA read data fail!\n");
break;
}
x+=cxt->cali_sw[0];
y+=cxt->cali_sw[1];
z+=cxt->cali_sw[2];
sprintf(strbuf, "%x %x %x", x, y, z);
ACC_LOG("GSENSOR_IOCTL_READ_SENSORDATA read data : (%d, %d, %d)!\n", x, y, z);
ACC_LOG("GSENSOR_IOCTL_READ_SENSORDATA read strbuf : (%s)!\n", strbuf);
if (copy_to_user(data, strbuf, strlen(strbuf)+1))
{
err = -EFAULT;
break;
}
}else{
ACC_ERR("GSENSOR_IOCTL_READ_SENSORDATA ");
}
break;
case GSENSOR_IOCTL_READ_RAW_DATA:
data = (void __user *) arg;
if (data == NULL)
{
err = -EINVAL;
break;
}
if(cxt->acc_data.get_raw_data != NULL){
err = cxt->acc_data.get_raw_data(&x, &y, &z);
if(err < 0)
{
ACC_ERR("GSENSOR_IOCTL_READ_RAW_DATA read data fail!\n");
break;
}
x+=cxt->cali_sw[0];
y+=cxt->cali_sw[1];
z+=cxt->cali_sw[2];
sprintf(strbuf, "%x %x %x", x, y, z);
ACC_LOG("GSENSOR_IOCTL_READ_RAW_DATA read data : (%d, %d, %d)!\n", x, y, z);
if (copy_to_user(data, strbuf, strlen(strbuf)+1))
{
err = -EFAULT;
break;
}
}else{
ACC_ERR("GSENSOR_IOCTL_READ_SENSORDATA ");
}
break;
case GSENSOR_IOCTL_SET_CALI:
data = (void __user*)arg;
if (data == NULL)
{
err = -EINVAL;
break;
}
if (copy_from_user(&sensor_data, data, sizeof(sensor_data)))
{
err = -EFAULT;
break;
}
cali[0] = sensor_data.x ;
cali[1] = sensor_data.y ;
cali[2] = sensor_data.z ;
ACC_LOG("GSENSOR_IOCTL_SET_CALI data : (%d, %d, %d)!\n", cali[0], cali[1], cali[2]);
acc_set_cali(cali);
/*if(cxt->acc_ctl.acc_calibration != NULL)
{
err = cxt->acc_ctl.acc_calibration(SETCALI, cali);
if(err < 0)
{
ACC_ERR("GSENSOR_IOCTL_SET_CALI fail!\n");
break;
}
}
*/
break;
case GSENSOR_IOCTL_CLR_CALI:
/*
if(cxt->acc_ctl.acc_calibration != NULL)
{
err = cxt->acc_ctl.acc_calibration(CLRCALI, cali);
if(err < 0)
{
ACC_ERR("GSENSOR_IOCTL_CLR_CALI fail!\n");
break;
}
}
*/
acc_clear_cali();
break;
case GSENSOR_IOCTL_GET_CALI:
data = (void __user*)arg;
if (data == NULL)
{
err = -EINVAL;
break;
}
/*
if(cxt->acc_ctl.acc_calibration != NULL)
{
err = cxt->acc_ctl.acc_calibration(GETCALI, cali);
if(err < 0)
{
ACC_ERR("GSENSOR_IOCTL_GET_CALI fail!\n");
break;
}
}
*/
ACC_LOG("GSENSOR_IOCTL_GET_CALI data : (%d, %d, %d)!\n", cxt->cali_sw[0], cxt->cali_sw[1], cxt->cali_sw[2]);
sensor_data.x = cxt->cali_sw[0];
sensor_data.y = cxt->cali_sw[1];
sensor_data.z = cxt->cali_sw[2];
if (copy_to_user(data, &sensor_data, sizeof(sensor_data)))
{
err = -EFAULT;
break;
}
break;
default:
ACC_ERR("unknown IOCTL: 0x%08x\n", cmd);
err = -ENOIOCTLCMD;
break;
}
return err;
}
static void acc_work_func(struct work_struct *work)
{
struct acc_context *cxt = NULL;
int x, y, z, status;
int64_t pre_ns, cur_ns;
int64_t delay_ms;
int err;
cxt = acc_context_obj;
delay_ms = atomic_read(&cxt->delay);
if (NULL == cxt->acc_data.get_data) {
ACC_ERR("acc driver not register data path\n");
return;
}
cur_ns = getCurNS();
err = cxt->acc_data.get_data(&x, &y, &z, &status);
if (err) {
ACC_ERR("get acc data fails!!\n");
goto acc_loop;
} else {
if (0 == x && 0 == y && 0 == z)
goto acc_loop;
cxt->drv_data.acc_data.values[0] = x;
cxt->drv_data.acc_data.values[1] = y;
cxt->drv_data.acc_data.values[2] = z;
cxt->drv_data.acc_data.status = status;
pre_ns = cxt->drv_data.acc_data.time;
cxt->drv_data.acc_data.time = cur_ns;
}
if (true == cxt->is_first_data_after_enable) {
pre_ns = cur_ns;
cxt->is_first_data_after_enable = false;
/* filter -1 value */
if (ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[0] ||
ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[1] ||
ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[2]) {
ACC_LOG(" read invalid data\n");
goto acc_loop;
}
}
/* report data to input device */
/* printk("new acc work run....\n"); */
/* ACC_LOG("acc data[%d,%d,%d]\n" ,cxt->drv_data.acc_data.values[0], */
/* cxt->drv_data.acc_data.values[1],cxt->drv_data.acc_data.values[2]); */
while ((cur_ns - pre_ns) >= delay_ms*1800000LL) {
pre_ns += delay_ms*1000000LL;
acc_data_report(cxt->drv_data.acc_data.values[0],
cxt->drv_data.acc_data.values[1], cxt->drv_data.acc_data.values[2],
cxt->drv_data.acc_data.status, pre_ns);
}
acc_data_report(cxt->drv_data.acc_data.values[0],
cxt->drv_data.acc_data.values[1], cxt->drv_data.acc_data.values[2],
cxt->drv_data.acc_data.status, cxt->drv_data.acc_data.time);
acc_loop:
if (true == cxt->is_polling_run)
startTimer(&cxt->hrTimer, atomic_read(&cxt->delay), false);
}