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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2010 Texas Instruments, Inc.
- * Jason Kridner <jkridner@beagleboard.org>
- */
- #include <common.h>
- #include <status_led.h>
- #include <asm/arch/cpu.h>
- #include <asm/io.h>
- #include <asm/arch/sys_proto.h>
- #include <asm/gpio.h>
- /* GPIO pins for the LEDs */
- #define BEAGLE_LED_USR0 150
- #define BEAGLE_LED_USR1 149
- #ifdef CONFIG_LED_STATUS_GREEN
- void green_led_off(void)
- {
- __led_set(CONFIG_LED_STATUS_GREEN, 0);
- }
- void green_led_on(void)
- {
- __led_set(CONFIG_LED_STATUS_GREEN, 1);
- }
- #endif
- static int get_led_gpio(led_id_t mask)
- {
- #ifdef CONFIG_LED_STATUS0
- if (CONFIG_LED_STATUS_BIT & mask)
- return BEAGLE_LED_USR0;
- #endif
- #ifdef CONFIG_LED_STATUS1
- if (CONFIG_LED_STATUS_BIT1 & mask)
- return BEAGLE_LED_USR1;
- #endif
- return 0;
- }
- void __led_init (led_id_t mask, int state)
- {
- int toggle_gpio;
- toggle_gpio = get_led_gpio(mask);
- if (toggle_gpio && !gpio_request(toggle_gpio, "led"))
- __led_set(mask, state);
- }
- void __led_toggle (led_id_t mask)
- {
- int state, toggle_gpio;
- toggle_gpio = get_led_gpio(mask);
- if (toggle_gpio) {
- state = gpio_get_value(toggle_gpio);
- gpio_direction_output(toggle_gpio, !state);
- }
- }
- void __led_set (led_id_t mask, int state)
- {
- int toggle_gpio;
- toggle_gpio = get_led_gpio(mask);
- if (toggle_gpio)
- gpio_direction_output(toggle_gpio, state);
- }
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