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input/ff: extend ioctrl to support factory calibration

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Signed-off-by: fangpeina <fangpeina@xiaomi.com>
This commit is contained in:
fangpeina 2024-10-24 17:54:35 +08:00 committed by Xiang Xiao
parent dcf6dd8c8b
commit 3518c69e6c
2 changed files with 61 additions and 0 deletions
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24
drivers/input/ff_upper.c
View file

@ -391,6 +391,30 @@ static int ff_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
}
break;
case EVIOCSETCALIBDATA:
{
if (upper->lower->set_calibvalue == NULL)
{
ret = -ENOTSUP;
break;
}
ret = upper->lower->set_calibvalue(upper->lower, arg);
}
break;
case EVIOCCALIBRATE:
{
if (upper->lower->calibrate == NULL)
{
ret = -ENOTSUP;
break;
}
ret = upper->lower->calibrate(upper->lower, arg);
}
break;
default:
ret = -ENOTTY;
break;

37
include/nuttx/input/ff.h
View file

@ -107,6 +107,19 @@
#define EVIOCGEFFECTS _FFIOC(3)
/* This cmd use to calibrate the device and return the calibration value.
* Arg: pointer to address of integer array value, return the calibration
* value.
*/
#define EVIOCCALIBRATE _FFIOC(4)
/* This cmd use to set calibration value for the device.
* Arg: pointer to address of the calibration value which should be set.
*/
#define EVIOCSETCALIBDATA _FFIOC(5)
/****************************************************************************
* Public Types
****************************************************************************/
@ -403,6 +416,30 @@ struct ff_lowerhalf_s
CODE void (*destroy)(FAR struct ff_lowerhalf_s *lower);
/* The calibration value to be written in or the non-volatile memory of the
* device or dedicated registers. At each power-on, so that the values read
* from the device are already corrected. When the device is calibrated,
* the absolute accuracy will be better than before.
* Note: the parameters associated with calibration value, maxinum 32-byte.
*/
CODE int (*set_calibvalue)(FAR struct ff_lowerhalf_s *lower,
unsigned long arg);
/* This operation can trigger the calibration operation, and if the
* calibration operation is short-lived, the calibration result value can
* be obtained at the same time, the calibration value to be written in
* the non-volatile memory of the device or dedicated registers. When the
* upper-level application calibration is completed, the current
* calibration value of the device needs to be obtained and backed up,
* so that the last calibration value can be directly obtained after
* power-on.
* Note: the parameters associated with calibration value, maxinum 32-byte.
*/
CODE int (*calibrate)(FAR struct ff_lowerhalf_s *lower,
unsigned long arg);
/* The bitmap of force feedback capabilities truly supported by device */
unsigned long ffbit[BITS_TO_LONGS(FF_CNT)];