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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-11 11:01:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-11 11:01:57 +0100 |
| commit | 34ff7999dc4a3da6fe96821031975b8170dd36ee (patch) | |
| tree | 8d21ea24b7c20e69c84ece7f1b6e3530766cc030 /include/uapi/linux | |
| parent | 046cc01be6b9d139b49dfc396b7201c633ff1a26 (diff) | |
| parent | ba27a0247b7187af36cb0b1fe7f7a68067ccb555 (diff) | |
Merge tag 'counter-updates-for-6.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter into char-misc-next
William writes:
Counter updates for 6.15
counter:
- Introduce the COUNTER_EVENT_DIRECTION_CHANGE event
- Introduce the COUNTER_COMP_COMPARE helper macro
microchip-tcb-cpature:
- Add IRQ handling
- Add support for capture extensions
- Add support for compare extension
ti-eqep:
- Add support for reading and detecting changes in direction
tools/counter:
- Add counter_watch_events executable to .gitignore
- Support COUNTER_EVENT_DIRECTION_CHANGE in counter_watch_events tool
* tag 'counter-updates-for-6.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter:
counter: microchip-tcb-capture: Add support for RC Compare
counter: Introduce the compare component
counter: microchip-tcb-capture: Add capture extensions for registers RA/RB
counter: microchip-tcb-capture: Add IRQ handling
counter: ti-eqep: add direction support
tools/counter: add direction change event to watcher
counter: add direction change event
tools/counter: gitignore counter_watch_events
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/counter.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/counter/microchip-tcb-capture.h | 40 |
2 files changed, 42 insertions, 0 deletions
diff --git a/include/uapi/linux/counter.h b/include/uapi/linux/counter.h index 008a691c254b..350b45d616bb 100644 --- a/include/uapi/linux/counter.h +++ b/include/uapi/linux/counter.h @@ -65,6 +65,8 @@ enum counter_event_type { COUNTER_EVENT_CHANGE_OF_STATE, /* Count value captured */ COUNTER_EVENT_CAPTURE, + /* Direction change detected */ + COUNTER_EVENT_DIRECTION_CHANGE, }; /** diff --git a/include/uapi/linux/counter/microchip-tcb-capture.h b/include/uapi/linux/counter/microchip-tcb-capture.h new file mode 100644 index 000000000000..136e2faa7730 --- /dev/null +++ b/include/uapi/linux/counter/microchip-tcb-capture.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Channel numbers used by the microchip-tcb-capture driver + * Copyright (C) 2025 Bence Csókás + */ +#ifndef _UAPI_COUNTER_MCHP_TCB_H_ +#define _UAPI_COUNTER_MCHP_TCB_H_ + +/* + * The driver defines the following components: + * + * Count 0 + * \__ Synapse 0 -- Signal 0 (Channel A, i.e. TIOA) + * \__ Synapse 1 -- Signal 1 (Channel B, i.e. TIOB) + * \__ Extension capture0 (RA register) + * \__ Extension capture1 (RB register) + * + * It also supports the following events: + * + * Channel 0: + * - CV register changed + * - CV overflowed + * - RA captured + * Channel 1: + * - RB captured + * Channel 2: + * - RC compare triggered + */ + +/* Capture extensions */ +#define COUNTER_MCHP_EXCAP_RA 0 +#define COUNTER_MCHP_EXCAP_RB 1 + +/* Event channels */ +#define COUNTER_MCHP_EVCHN_CV 0 +#define COUNTER_MCHP_EVCHN_RA 0 +#define COUNTER_MCHP_EVCHN_RB 1 +#define COUNTER_MCHP_EVCHN_RC 2 + +#endif /* _UAPI_COUNTER_MCHP_TCB_H_ */ |