blob: 30f2f508f0afaa5d5b500932a32d834abe2ca48d [file] [log] [blame]
/*
* Copyright (c) 2013 Corscience GmbH & Co.KG
* Andreas BieƟmann <andreas.biessmann@corscience.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <status_led.h>
#include <twl4030.h>
#include <asm/arch/cpu.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#define TRICORDER_STATUS_LED_YELLOW 42
#define TRICORDER_STATUS_LED_GREEN 43
void __led_init(led_id_t mask, int state)
{
__led_set(mask, state);
}
void __led_toggle(led_id_t mask)
{
int toggle_gpio = 0;
#ifdef STATUS_LED_BIT
if (!toggle_gpio && STATUS_LED_BIT & mask)
toggle_gpio = TRICORDER_STATUS_LED_GREEN;
#endif
#ifdef STATUS_LED_BIT1
if (!toggle_gpio && STATUS_LED_BIT1 & mask)
toggle_gpio = TRICORDER_STATUS_LED_YELLOW;
#endif
#ifdef STATUS_LED_BIT2
if (!toggle_gpio && STATUS_LED_BIT2 & mask) {
uint8_t val;
twl4030_i2c_read_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
&val);
val ^= (TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDAPWM);
twl4030_i2c_write_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
val);
}
#endif
if (toggle_gpio) {
int state;
gpio_request(toggle_gpio, "");
state = gpio_get_value(toggle_gpio);
gpio_set_value(toggle_gpio, !state);
}
}
void __led_set(led_id_t mask, int state)
{
#ifdef STATUS_LED_BIT
if (STATUS_LED_BIT & mask) {
gpio_request(TRICORDER_STATUS_LED_GREEN, "");
gpio_direction_output(TRICORDER_STATUS_LED_GREEN, 0);
gpio_set_value(TRICORDER_STATUS_LED_GREEN, state);
}
#endif
#ifdef STATUS_LED_BIT1
if (STATUS_LED_BIT1 & mask) {
gpio_request(TRICORDER_STATUS_LED_YELLOW, "");
gpio_direction_output(TRICORDER_STATUS_LED_YELLOW, 0);
gpio_set_value(TRICORDER_STATUS_LED_YELLOW, state);
}
#endif
#ifdef STATUS_LED_BIT2
if (STATUS_LED_BIT2 & mask) {
if (STATUS_LED_OFF == state)
twl4030_i2c_write_u8(TWL4030_CHIP_LED,
TWL4030_LED_LEDEN, 0);
else
twl4030_i2c_write_u8(TWL4030_CHIP_LED,
TWL4030_LED_LEDEN,
(TWL4030_LED_LEDEN_LEDAON |
TWL4030_LED_LEDEN_LEDAPWM));
}
#endif
}