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