x86: irq: Support flags for acpi_gpe
This binding currently has a flags cell but it is not used. Make use of it
to create ACPI tables for interrupts.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
diff --git a/arch/x86/cpu/acpi_gpe.c b/arch/x86/cpu/acpi_gpe.c
index 8aa2009..70badb1 100644
--- a/arch/x86/cpu/acpi_gpe.c
+++ b/arch/x86/cpu/acpi_gpe.c
@@ -8,7 +8,10 @@
#include <dm.h>
#include <irq.h>
#include <log.h>
+#include <acpi/acpi_device.h>
#include <asm/io.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/x86-irq.h>
/**
* struct acpi_gpe_priv - private driver information
@@ -62,13 +65,36 @@
static int acpi_gpe_of_xlate(struct irq *irq, struct ofnode_phandle_args *args)
{
irq->id = args->args[0];
+ irq->flags = args->args[1];
return 0;
}
+#if CONFIG_IS_ENABLED(ACPIGEN)
+static int acpi_gpe_get_acpi(const struct irq *irq, struct acpi_irq *acpi_irq)
+{
+ memset(acpi_irq, '\0', sizeof(*acpi_irq));
+ acpi_irq->pin = irq->id;
+ acpi_irq->mode = irq->flags & IRQ_TYPE_EDGE_BOTH ?
+ ACPI_IRQ_EDGE_TRIGGERED : ACPI_IRQ_LEVEL_TRIGGERED;
+ acpi_irq->polarity = irq->flags &
+ (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_LEVEL_LOW) ?
+ ACPI_IRQ_ACTIVE_LOW : ACPI_IRQ_ACTIVE_HIGH;
+ acpi_irq->shared = irq->flags & X86_IRQ_TYPE_SHARED ?
+ ACPI_IRQ_SHARED : ACPI_IRQ_EXCLUSIVE;
+ acpi_irq->wake = irq->flags & X86_IRQ_TYPE_WAKE ? ACPI_IRQ_WAKE :
+ ACPI_IRQ_NO_WAKE;
+
+ return 0;
+}
+#endif
+
static const struct irq_ops acpi_gpe_ops = {
.read_and_clear = acpi_gpe_read_and_clear,
.of_xlate = acpi_gpe_of_xlate,
+#if CONFIG_IS_ENABLED(ACPIGEN)
+ .get_acpi = acpi_gpe_get_acpi,
+#endif
};
static const struct udevice_id acpi_gpe_ids[] = {