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/* SPDX-License-Identifier: GPL-2.0 */
#include <common.h>
#include <init.h>
#include <led.h>
#include <mach/linux.h>
#include <of.h>
static struct sandbox_led {
struct led led;
bool active;
} sandbox_led;
static inline void terminal_puts(const char *s)
{
linux_write(1, s, strlen(s));
}
static void sandbox_led_set(struct led *led, unsigned int brightness)
{
terminal_puts("\x1b]2;barebox ");
while (brightness--)
terminal_puts(".");
terminal_puts("\a");
sandbox_led.active = true;
}
static int sandbox_led_of_probe(struct device_d *dev)
{
struct device_node *np = dev->device_node;
int ret;
if (sandbox_led.led.set)
return -EBUSY;
sandbox_led.led.name = xstrdup(np->name);
sandbox_led.led.max_value = 5;
sandbox_led.led.set = sandbox_led_set;
ret = led_register(&sandbox_led.led);
if (ret)
return ret;
led_of_parse_trigger(&sandbox_led.led, np);
return 0;
}
static void sandbox_led_of_remove(struct device_d *dev)
{
if (sandbox_led.active)
sandbox_led_set(NULL, 0);
}
static struct of_device_id sandbox_led_of_ids[] = {
{ .compatible = "barebox,sandbox-led", },
{ }
};
static struct driver_d sandbox_led_of_driver = {
.name = "sandbox-led",
.probe = sandbox_led_of_probe,
.remove = sandbox_led_of_remove,
.of_compatible = sandbox_led_of_ids,
};
device_platform_driver(sandbox_led_of_driver);
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