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/* Copyright 2018 SiFive, Inc */
/* SPDX-License-Identifier: Apache-2.0 */
#include <metal/machine/platform.h>
#ifdef METAL_SIFIVE_LOCAL_EXTERNAL_INTERRUPTS0
#include <metal/io.h>
#include <metal/drivers/sifive_local-external-interrupts0.h>
#include <metal/machine.h>
void __metal_driver_sifive_local_external_interrupt_init(struct metal_interrupt *controller)
{
struct __metal_driver_sifive_local_external_interrupts0 *local0;
local0 = (struct __metal_driver_sifive_local_external_interrupts0 *)(controller);
if ( !local0->init_done ) {
struct metal_interrupt *intc =
__metal_driver_sifive_local_external_interrupts0_interrupt_parent(controller);
if (intc) {
/* Register its interruptswith with parent controller, aka all external to default isr */
for (int i = 0;
i < __metal_driver_sifive_local_external_interrupts0_num_interrupts(controller);
i++) {
intc->vtable->interrupt_register(intc,
__metal_driver_sifive_local_external_interrupts0_interrupt_lines(controller, i),
NULL, controller);
}
local0->init_done = 1;
}
}
}
int __metal_driver_sifive_local_external_interrupt_register(struct metal_interrupt *controller,
int id, metal_interrupt_handler_t isr,
void *priv)
{
int rc = -1;
if (id != 0) {
struct metal_interrupt *intc =
__metal_driver_sifive_local_external_interrupts0_interrupt_parent(controller);
/* Enable its interrupts with parent controller */
if (intc) {
rc = intc->vtable->interrupt_register(intc, id, isr, priv);
}
}
return rc;
}
int __metal_driver_sifive_local_external_interrupt_enable(struct metal_interrupt *controller, int id)
{
int rc = -1;
if (id != 0) {
struct metal_interrupt *intc =
__metal_driver_sifive_local_external_interrupts0_interrupt_parent(controller);
/* Enable its interrupts with parent controller */
if (intc) {
rc = intc->vtable->interrupt_enable(intc, id);
}
}
return rc;
}
int __metal_driver_sifive_local_external_interrupt_disable(struct metal_interrupt *controller, int id)
{
int rc = -1;
if (id != 0) {
struct metal_interrupt *intc =
__metal_driver_sifive_local_external_interrupts0_interrupt_parent(controller);
/* Enable its interrupts with parent controller */
if (intc) {
rc = intc->vtable->interrupt_disable(intc, id);
}
}
return rc;
}
int __metal_driver_sifive_local_external_interrupt_set_threshold(struct metal_interrupt *controller,
unsigned int threshold)
{
/* Core controller does not support threshold configuration */
return -1;
}
unsigned int __metal_driver_sifive_local_external_interrupt_get_threshold(struct metal_interrupt *controller)
{
/* Core controller does not support threshold configuration */
return 0;
}
int __metal_driver_sifive_local_external_interrupt_set_priority(struct metal_interrupt *controller,
int id, unsigned int priority)
{
/* Core controller does not support priority configuration */
return -1;
}
unsigned int __metal_driver_sifive_local_external_interrupt_get_priority(struct metal_interrupt *controller, int id)
{
/* Core controller does not support priority configuration */
return 0;
}
int __metal_driver_sifive_local_external_command_request (struct metal_interrupt *controller,
int command, void *data)
{
int idx;
int rc = -1;
switch (command) {
case METAL_MAX_INTERRUPT_GET:
rc = __metal_driver_sifive_local_external_interrupts0_num_interrupts(controller);
break;
case METAL_INDEX_INTERRUPT_GET:
rc = 0;
if (data) {
idx = *(int *)data;
rc = __metal_driver_sifive_local_external_interrupts0_interrupt_lines(controller, idx);
}
break;
default:
break;
}
return rc;
}
__METAL_DEFINE_VTABLE(__metal_driver_vtable_sifive_local_external_interrupts0) = {
.local0_vtable.interrupt_init = __metal_driver_sifive_local_external_interrupt_init,
.local0_vtable.interrupt_register = __metal_driver_sifive_local_external_interrupt_register,
.local0_vtable.interrupt_enable = __metal_driver_sifive_local_external_interrupt_enable,
.local0_vtable.interrupt_disable = __metal_driver_sifive_local_external_interrupt_disable,
.local0_vtable.interrupt_get_threshold = __metal_driver_sifive_local_external_interrupt_get_threshold,
.local0_vtable.interrupt_set_threshold = __metal_driver_sifive_local_external_interrupt_set_threshold,
.local0_vtable.interrupt_get_priority = __metal_driver_sifive_local_external_interrupt_get_priority,
.local0_vtable.interrupt_set_priority = __metal_driver_sifive_local_external_interrupt_set_priority,
.local0_vtable.command_request = __metal_driver_sifive_local_external_command_request,
};
#endif
typedef int no_empty_translation_units;
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