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
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| @@ -65,6 +65,8 @@ enum counter_event_type { · 64 unmodified lines | ||
| 65 | 65 | COUNTER_EVENT_CHANGE_OF_STATE, |
| 66 | 66 | /* Count value captured */ |
| 67 | 67 | COUNTER_EVENT_CAPTURE, |
| 68 | + /* Direction change detected */ | |
| 69 | + COUNTER_EVENT_DIRECTION_CHANGE, | |
| 68 | 70 | }; |
| 69 | 71 | |
| 70 | 72 | /** |
| @@ -0,0 +1,40 @@ | ||
| 1 | +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| 2 | +/* | |
| 3 | + * Channel numbers used by the microchip-tcb-capture driver | |
| 4 | + * Copyright (C) 2025 Bence Csókás | |
| 5 | + */ | |
| 6 | +#ifndef _UAPI_COUNTER_MCHP_TCB_H_ | |
| 7 | +#define _UAPI_COUNTER_MCHP_TCB_H_ | |
| 8 | + | |
| 9 | +/* | |
| 10 | + * The driver defines the following components: | |
| 11 | + * | |
| 12 | + * Count 0 | |
| 13 | + * \__ Synapse 0 -- Signal 0 (Channel A, i.e. TIOA) | |
| 14 | + * \__ Synapse 1 -- Signal 1 (Channel B, i.e. TIOB) | |
| 15 | + * \__ Extension capture0 (RA register) | |
| 16 | + * \__ Extension capture1 (RB register) | |
| 17 | + * | |
| 18 | + * It also supports the following events: | |
| 19 | + * | |
| 20 | + * Channel 0: | |
| 21 | + * - CV register changed | |
| 22 | + * - CV overflowed | |
| 23 | + * - RA captured | |
| 24 | + * Channel 1: | |
| 25 | + * - RB captured | |
| 26 | + * Channel 2: | |
| 27 | + * - RC compare triggered | |
| 28 | + */ | |
| 29 | + | |
| 30 | +/* Capture extensions */ | |
| 31 | +#define COUNTER_MCHP_EXCAP_RA 0 | |
| 32 | +#define COUNTER_MCHP_EXCAP_RB 1 | |
| 33 | + | |
| 34 | +/* Event channels */ | |
| 35 | +#define COUNTER_MCHP_EVCHN_CV 0 | |
| 36 | +#define COUNTER_MCHP_EVCHN_RA 0 | |
| 37 | +#define COUNTER_MCHP_EVCHN_RB 1 | |
| 38 | +#define COUNTER_MCHP_EVCHN_RC 2 | |
| 39 | + | |
| 40 | +#endif /* _UAPI_COUNTER_MCHP_TCB_H_ */ | |