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irq_nextlevel: add API to query if an IRQ line is enabled

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There is an API to query if any IRQ is enabled but there is
none to query individual IRQ line. So add one.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2019-08-27 11:07:19 -07:00 committed by Anas Nashif
parent 71281292fb
commit d3e3552f65
1 changed files with 21 additions and 0 deletions
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21
include/irq_nextlevel.h
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@ -25,12 +25,15 @@ typedef void (*irq_next_level_func_t)(struct device *dev, unsigned int irq);
typedef unsigned int (*irq_next_level_get_state_t)(struct device *dev);
typedef void (*irq_next_level_priority_t)(struct device *dev,
unsigned int irq, unsigned int prio, u32_t flags);
typedef int (*irq_next_level_get_line_state_t)(struct device *dev,
unsigned int irq);
struct irq_next_level_api {
irq_next_level_func_t intr_enable;
irq_next_level_func_t intr_disable;
irq_next_level_get_state_t intr_get_state;
irq_next_level_priority_t intr_set_priority;
irq_next_level_get_line_state_t intr_get_line_state;
};
/**
* @endcond
@ -109,6 +112,24 @@ static inline void irq_set_priority_next_level(struct device *dev, u32_t irq,
api->intr_set_priority(dev, irq, prio, flags);
}
/**
* @brief Get IRQ line enable state.
*
* Query if a particular IRQ line is enabled.
*
* @param dev Pointer to the device structure for the driver instance.
* @param irq IRQ line to be queried.
*
* @return interrupt enable state, true or false
*/
static inline unsigned int irq_line_is_enabled_next_level(struct device *dev,
unsigned int irq)
{
const struct irq_next_level_api *api = dev->driver_api;
return api->intr_get_line_state(dev, irq);
}
/**
* @}
*/