| /* | 
 |  * This file is auto-generated. Modifications will be lost. | 
 |  * | 
 |  * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ | 
 |  * for more information. | 
 |  */ | 
 | #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, | 
 |   COUNTER_COUNT_MODE_INTERRUPT_ON_TERMINAL_COUNT, | 
 |   COUNTER_COUNT_MODE_HARDWARE_RETRIGGERABLE_ONESHOT, | 
 |   COUNTER_COUNT_MODE_RATE_GENERATOR, | 
 |   COUNTER_COUNT_MODE_SQUARE_WAVE_MODE, | 
 |   COUNTER_COUNT_MODE_SOFTWARE_TRIGGERED_STROBE, | 
 |   COUNTER_COUNT_MODE_HARDWARE_TRIGGERED_STROBE, | 
 | }; | 
 | 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 |