diff options
Diffstat (limited to 'include/uapi/linux/counter/microchip-tcb-capture.h')
| -rw-r--r-- | include/uapi/linux/counter/microchip-tcb-capture.h | 40 |
1 files changed, 40 insertions, 0 deletions
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_ */ |