9  * @brief Public interface for multi-level interrupts
31 		/* First level interrupt bits */
33 		/* Second level interrupt bits */
35 		/* Third level interrupt bits */
39 	/* Third level IRQ's interrupt controller */
41 		/* IRQ of the third level interrupt aggregator */
45 	/* Second level IRQ's interrupt controller */
47 		/* IRQ of the second level interrupt aggregator */
83  * @brief Return IRQ level
84  * This routine returns the interrupt level number of the provided interrupt.
88  * @return 1 if IRQ level 1, 2 if IRQ level 2, 3 if IRQ level 3
100  * @brief Return the 2nd level interrupt number
102  * This routine returns the second level irq number of the zephyr irq
107  * @return 2nd level IRQ number
119  * @brief Preprocessor macro to convert `irq` from level 1 to level 2 format
123  * @return 2nd level IRQ number
128  * @brief Converts irq from level 1 to level 2 format
131  * This routine converts the input into the level 2 irq number format
137  * @return 2nd level IRQ number
153  * @brief Returns the parent IRQ of the level 2 raw IRQ number
156  * The parent of a 2nd level interrupt is in the 1st byte
160  * @return 2nd level IRQ parent
172  * @brief Return the 3rd level interrupt number
175  * This routine returns the third level irq number of the zephyr irq
180  * @return 3rd level IRQ number
192  * @brief Preprocessor macro to convert `irq` from level 1 to level 3 format
196  * @return 3rd level IRQ number
202  * @brief Converts irq from level 1 to level 3 format
205  * This routine converts the input into the level 3 irq number format
211  * @return 3rd level IRQ number
227  * @brief Returns the parent IRQ of the level 3 raw IRQ number
230  * The parent of a 3rd level interrupt is in the 2nd byte
234  * @return 3rd level IRQ parent
246  * @brief Return the interrupt number for a given level
249  * @param level IRQ level
251  * @return IRQ number in the level
253 static inline unsigned int irq_from_level(unsigned int irq, unsigned int level)  in irq_from_level()  argument
255 	if (level == 1) {  in irq_from_level()
257 	} else if (level == 2) {  in irq_from_level()
259 	} else if (level == 3) {  in irq_from_level()
263 	/* level is higher than 3 */  in irq_from_level()
269  * @brief Converts irq from level 1 to a given level
272  * @param level IRQ level
274  * @return Converted IRQ number in the level
276 static inline unsigned int irq_to_level(unsigned int irq, unsigned int level)  in irq_to_level()  argument
278 	if (level == 1) {  in irq_to_level()
280 	} else if (level == 2) {  in irq_to_level()
282 	} else if (level == 3) {  in irq_to_level()
286 	/* level is higher than 3 */  in irq_to_level()
292  * @brief Returns the parent IRQ of the given level raw IRQ number
295  * @param level IRQ level
297  * @return IRQ parent of the given level
299 static inline unsigned int irq_parent_level(unsigned int irq, unsigned int level)  in irq_parent_level()  argument
301 	if (level == 1) {  in irq_parent_level()
304 	} else if (level == 2) {  in irq_parent_level()
306 	} else if (level == 3) {  in irq_parent_level()
310 	/* level is higher than 3 */  in irq_parent_level()
324 	const unsigned int level = irq_get_level(irq);  in irq_get_intc_irq()  local
326 	__ASSERT_NO_MSG(level <= 3);  in irq_get_intc_irq()
331 	if (level == 3) {  in irq_get_intc_irq()
333 	} else if (level == 2) {  in irq_get_intc_irq()