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#include "mag_factory.h"
static int mag_factory_open(struct inode *inode, struct file *file)
{
file->private_data = mag_context_obj;
if (file->private_data == NULL)
{
MAG_ERR("null pointer!!\n");
return -EINVAL;
}
return nonseekable_open(inode, file);
}
static int mag_factory_release(struct inode *inode, struct file *file)
{
file->private_data = NULL;
return 0;
}
static long mag_factory_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *data;
long err = 0;
struct mag_context *cxt = mag_context_obj;
int x,y,z,status;
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)
{
MAG_ERR("access error: %08X, (%2d, %2d)\n", cmd, _IOC_DIR(cmd), _IOC_SIZE(cmd));
return -EFAULT;
}
switch (cmd)
{
case MSENSOR_IOCTL_SENSOR_ENABLE:
if(cxt->mag_ctl.m_enable != NULL){
err = cxt->mag_ctl.m_enable(1);
if(err < 0)
{
MAG_ERR("MSENSOR_IOCTL_SENSOR_ENABLE read data fail!\n");
break;
}
}
break;
case MSENSOR_IOCTL_READ_SENSORDATA:
data = (void __user *) arg;
if (data == NULL)
{
err = -EINVAL;
break;
}
if(cxt->mag_dev_data.get_data_m != NULL){
err = cxt->mag_dev_data.get_raw_data(&x, &y, &z);
if(err < 0)
{
MAG_ERR("MSENSOR_IOCTL_READ_SENSORDATA read data fail!\n");
break;
}
sprintf(strbuf, "%x %x %x", x, y, z);
MAG_ERR("MSENSOR_IOCTL_READ_SENSORDATA read data : (%d, %d, %d)!\n", x, y, z);
MAG_ERR("MSENSOR_IOCTL_READ_SENSORDATA read strbuf : (%s)!\n", strbuf);
if (copy_to_user(data, strbuf, strlen(strbuf)+1))
{
err = -EFAULT;
break;
}
}else{
MAG_ERR("MSENSOR_IOCTL_READ_SENSORDATA NULL!\n");
}
break;
case MSENSOR_IOCTL_READ_FACTORY_SENSORDATA:
data = (void __user *) arg;
if (data == NULL)
{
err = -EINVAL;
break;
}
if(cxt->mag_dev_data.get_data_o != NULL){
err = cxt->mag_dev_data.get_data_o(&x, &y, &z, &status);
if(err < 0)
{
MAG_ERR("MSENSOR_IOCTL_READ_FACTORY_SENSORDATA read data fail!\n");
break;
}
sprintf(strbuf, "%x %x %x %x %x", x, y, z, status, 1);
MAG_ERR("MSENSOR_IOCTL_READ_FACTORY_SENSORDATA read data : (%d, %d, %d, %d)!\n", x, y, z, status);
if (copy_to_user(data, strbuf, strlen(strbuf)+1))
{
err = -EFAULT;
break;
}
}else{
MAG_ERR("MSENSOR_IOCTL_READ_FACTORY_SENSORDATA NULL!\n ");
}
break;
default:
MAG_ERR("unknown IOCTL: 0x%08x\n", cmd);
err = -ENOIOCTLCMD;
break;
}
return err;
}
static struct file_operations mag_factory_fops = {
.open = mag_factory_open,
.release = mag_factory_release,
.unlocked_ioctl = mag_factory_unlocked_ioctl,
};
static struct miscdevice mag_factory_device = {
.minor = MISC_DYNAMIC_MINOR,
.name = "msensor",
.fops = &mag_factory_fops,
};
int mag_factory_device_init()
{
int error = 0;
struct mag_context *cxt = mag_context_obj;
if (!cxt->mag_ctl.is_use_common_factory) {
MAG_LOG("Node of '/dev/msensor' has already existed!\n");
return -1;
}
if ((error = misc_register(&mag_factory_device)))
{
MAG_ERR("mag_factory_device register failed\n");
error = -1;
}
return error;
}
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