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drivers/interrupt_controller: rv32m1_intmux: add get_line_state

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This implements the new API to query whether a particular IRQ
line is enabled.

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
commit 460e3c0094
1 changed files with 14 additions and 0 deletions
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14
drivers/interrupt_controller/rv32m1_intmux.c
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@ -86,6 +86,19 @@ static u32_t rv32m1_intmux_get_state(struct device *dev)
return 0;
}
static int rv32m1_intmux_get_line_state(struct device *dev, unsigned int irq)
{
INTMUX_Type *regs = DEV_REGS(dev);
u32_t channel = rv32m1_intmux_channel(irq);
u32_t line = rv32m1_intmux_line(irq);
if ((regs->CHANNEL[channel].CHn_IER_31_0 & BIT(line)) != 0) {
return 1;
}
return 0;
}
/*
* IRQ handling.
*/
@ -113,6 +126,7 @@ static const struct irq_next_level_api rv32m1_intmux_apis = {
.intr_enable = rv32m1_intmux_irq_enable,
.intr_disable = rv32m1_intmux_irq_disable,
.intr_get_state = rv32m1_intmux_get_state,
.intr_get_line_state = rv32m1_intmux_get_line_state,
};
static const struct rv32m1_intmux_config rv32m1_intmux_cfg = {