berlin_tools/bootloader/customization/as370/valens-p2/led.c

#include "led.h"
#include "i2c_led_driver.h"

#define LED_NUM 1
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))

LED leds_lp5018[LED_NUM] = {
	{
		false,
		0,
		0x29,
		LED_DRIVER_TYPE_LP5018,
	}
};

LED leds_aw210xx[LED_NUM] = {
	{
		false,
		0,
		0x21,
		LED_DRIVER_TYPE_AW210XX,
	}
};

static int leds_inited = 0;

static void init_leds(int led_driver_type) {
	int ret = -1;

	if (0 == leds_inited) {
		if (led_driver_type == LED_DRIVER_TYPE_LP5018) {
			ret = i2c_led_init(leds_lp5018, LED_NUM);
		} else if (led_driver_type == LED_DRIVER_TYPE_AW210XX) {
			ret = i2c_led_init(leds_aw210xx, LED_NUM);
		}

		if (ret == 0) {
			leds_inited = 1;
		}
	}

	return;
}

extern int lgpl_printf(const char *format, ...);

void detect_led_driver(int *led_driver_type) {
	if (i2c_led_detect_driver(leds_lp5018, LED_NUM, led_driver_type) == 0) {
		lgpl_printf("Detected LP5018 LED Driver\n");
	} else if (i2c_led_detect_driver(leds_aw210xx, LED_NUM, led_driver_type) == 0) {
		lgpl_printf("Detected AW21018 LED Driver\n");
	} else {
		lgpl_printf("Failed to detect LED Driver\n");
		*led_driver_type = LED_DRIVER_TYPE_UNKNOWN;
	}
}

void cold_boot_show_led_init_boot(int led_driver_type) {
	init_leds(led_driver_type);
	if (!leds_inited)
		return;

	// See go/vento-schematics for led channel mapping
	unsigned char led_frame_29[32] = {
					0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
					0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
					0x00, 0x00, 0x00, 0x00, 0x00, 0x00
				};

	i2c_led_show_frame(0, led_frame_29, ARRAY_SIZE(led_frame_29));
}

void cold_boot_show_led_done_boot() {
	// See go/vento-schematics for led channel mapping
	unsigned char led_frame_29[32] = {
					0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
					0x00, 0x00, 0x00, 0x9A, 0x9A, 0x9A,
					0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
					0x9A, 0x9A, 0x9A, 0x00, 0x00, 0x00,
					0x00, 0x00, 0x00, 0x00, 0x00, 0x00
				};

	if (!leds_inited)
		return;

	i2c_led_show_frame(0, led_frame_29, ARRAY_SIZE(led_frame_29));
}