56 	uint32_t top;  member
118 			  uint32_t old, uint32_t top)  in ticks_sub()  argument
122 	} else if (likely(IS_BIT_MASK(top))) {  in ticks_sub()
123 		return (val - old) & top;  in ticks_sub()
126 	/* if top is not 2^n-1 */  in ticks_sub()
127 	return (val >= old) ? (val - old) : val + top + 1 - old;  in ticks_sub()
131 static uint32_t skip_zero_on_custom_top(uint32_t val, uint32_t top)  in skip_zero_on_custom_top()  argument
136 	if (unlikely(val == 0) && (top != NRF_RTC_COUNTER_MAX)) {  in skip_zero_on_custom_top()
144 			  uint32_t val2, uint32_t top)  in ticks_add()  argument
149 		ARG_UNUSED(top);  in ticks_add()
152 	if (likely(IS_BIT_MASK(top))) {  in ticks_add()
153 		sum = sum & top;  in ticks_add()
155 		sum = sum > top ? sum - (top + 1) : sum;  in ticks_add()
158 	return skip_zero_on_custom_top(sum, top);  in ticks_add()
189 	val = ticks_add(dev, val, 1, data->top);  in handle_next_tick_case()
215  *   it won't be further in future than <top> - <guard_period> from now.
233 	__ASSERT_NO_MSG(data->guard_period < data->top);  in set_cc()
237 	uint32_t top;  in set_cc()  local
250 	top = data->top;  in set_cc()
264 	if (ticks_sub(dev, prev_val, now, top) == 1) {  in set_cc()
272 		val = skip_zero_on_custom_top(val, top);  in set_cc()
274 		max_rel_val = top - data->guard_period;  in set_cc()
285 		irq_on_late = val < (top / 2);  in set_cc()
287 		max_rel_val = irq_on_late ? top / 2 : top;  in set_cc()
288 		val = ticks_add(dev, now, val, top);  in set_cc()
291 	diff = ticks_sub(dev, val, now, top);  in set_cc()
306 		diff = ticks_sub(dev, val - 1, now, top);  in set_cc()
342 	if (alarm_cfg->ticks > data->top) {  in set_channel_alarm()
448  * automatically in case of max top value or PPI usage.
454 	return (data->top != NRF_RTC_COUNTER_MAX) && !IS_PPI_WRAP(dev);  in sw_wrap_required()
509 		if ((dev_data->top == NRF_RTC_COUNTER_MAX) &&  in set_top_value()
512 		} else if (((dev_data->top != NRF_RTC_COUNTER_MAX) &&  in set_top_value()
520 	dev_data->top = cfg->ticks;  in set_top_value()
571 	data->top = NRF_RTC_COUNTER_MAX;  in init_rtc()
582 	return data->top;  in get_top_value()
617 		/* Perform manual clear if custom top value is used and PPI  in top_irq_handle()
658 				cc = ticks_sub(dev, cc, 1, data->top);  in alarm_irq_handle()