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/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef _UAPI_COUNTER_H_
#define _UAPI_COUNTER_H_
#include <linux/ioctl.h>
#include <linux/types.h>
enum counter_component_type {
COUNTER_COMPONENT_NONE,
COUNTER_COMPONENT_SIGNAL,
COUNTER_COMPONENT_COUNT,
COUNTER_COMPONENT_FUNCTION,
COUNTER_COMPONENT_SYNAPSE_ACTION,
COUNTER_COMPONENT_EXTENSION,
};
enum counter_scope {
COUNTER_SCOPE_DEVICE,
COUNTER_SCOPE_SIGNAL,
COUNTER_SCOPE_COUNT,
};
struct counter_component {
__u8 type;
__u8 scope;
__u8 parent;
__u8 id;
};
enum counter_event_type {
COUNTER_EVENT_OVERFLOW,
COUNTER_EVENT_UNDERFLOW,
COUNTER_EVENT_OVERFLOW_UNDERFLOW,
COUNTER_EVENT_THRESHOLD,
COUNTER_EVENT_INDEX,
COUNTER_EVENT_CHANGE_OF_STATE,
COUNTER_EVENT_CAPTURE,
};
struct counter_watch {
struct counter_component component;
__u8 event;
__u8 channel;
};
#define COUNTER_ADD_WATCH_IOCTL _IOW(0x3E, 0x00, struct counter_watch)
#define COUNTER_ENABLE_EVENTS_IOCTL _IO(0x3E, 0x01)
#define COUNTER_DISABLE_EVENTS_IOCTL _IO(0x3E, 0x02)
struct counter_event {
__aligned_u64 timestamp;
__aligned_u64 value;
struct counter_watch watch;
__u8 status;
};
enum counter_count_direction {
COUNTER_COUNT_DIRECTION_FORWARD,
COUNTER_COUNT_DIRECTION_BACKWARD,
};
enum counter_count_mode {
COUNTER_COUNT_MODE_NORMAL,
COUNTER_COUNT_MODE_RANGE_LIMIT,
COUNTER_COUNT_MODE_NON_RECYCLE,
COUNTER_COUNT_MODE_MODULO_N,
};
enum counter_function {
COUNTER_FUNCTION_INCREASE,
COUNTER_FUNCTION_DECREASE,
COUNTER_FUNCTION_PULSE_DIRECTION,
COUNTER_FUNCTION_QUADRATURE_X1_A,
COUNTER_FUNCTION_QUADRATURE_X1_B,
COUNTER_FUNCTION_QUADRATURE_X2_A,
COUNTER_FUNCTION_QUADRATURE_X2_B,
COUNTER_FUNCTION_QUADRATURE_X4,
};
enum counter_signal_level {
COUNTER_SIGNAL_LEVEL_LOW,
COUNTER_SIGNAL_LEVEL_HIGH,
};
enum counter_synapse_action {
COUNTER_SYNAPSE_ACTION_NONE,
COUNTER_SYNAPSE_ACTION_RISING_EDGE,
COUNTER_SYNAPSE_ACTION_FALLING_EDGE,
COUNTER_SYNAPSE_ACTION_BOTH_EDGES,
};
enum counter_signal_polarity {
COUNTER_SIGNAL_POLARITY_POSITIVE,
COUNTER_SIGNAL_POLARITY_NEGATIVE,
};
#endif
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