158 static uint32_t counter_stm32_ticks_add(uint32_t val1, uint32_t val2, uint32_t top)  in counter_stm32_ticks_add()  argument
162 	if (likely(IS_BIT_MASK(top))) {  in counter_stm32_ticks_add()
163 		return (val1 + val2) & top;  in counter_stm32_ticks_add()
166 	to_top = top - val1;  in counter_stm32_ticks_add()
171 static uint32_t counter_stm32_ticks_sub(uint32_t val, uint32_t old, uint32_t top)  in counter_stm32_ticks_sub()  argument
173 	if (likely(IS_BIT_MASK(top))) {  in counter_stm32_ticks_sub()
174 		return (val - old) & top;  in counter_stm32_ticks_sub()
177 	/* if top is not 2^n-1 */  in counter_stm32_ticks_sub()
178 	return (val >= old) ? (val - old) : val + top + 1U - old;  in counter_stm32_ticks_sub()
202 	uint32_t top = counter_stm32_get_top_value(dev);  in counter_stm32_set_cc()  local
222 		max_rel_val = top - data->guard_period;  in counter_stm32_set_cc()
234 		irq_on_late = val < (top / 2U);  in counter_stm32_set_cc()
236 		max_rel_val = irq_on_late ? top / 2U : top;  in counter_stm32_set_cc()
237 		val = counter_stm32_ticks_add(now, val, top);  in counter_stm32_set_cc()
245 	diff = counter_stm32_ticks_sub(val - 1U, counter_stm32_read(dev), top);  in counter_stm32_set_cc()
546 	__ASSERT(cb != NULL, "top event enabled - expecting callback");  in counter_stm32_top_irq_handle()