| /* |
| * Copyright (c) 2010 Texas Instruments, Inc. |
| * Jason Kridner <jkridner@beagleboard.org> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| #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 STATUS_LED_GREEN |
| void green_led_off(void) |
| { |
| __led_set (STATUS_LED_GREEN, 0); |
| } |
| |
| void green_led_on(void) |
| { |
| __led_set (STATUS_LED_GREEN, 1); |
| } |
| #endif |
| |
| void __led_init (led_id_t mask, int state) |
| { |
| __led_set (mask, state); |
| } |
| |
| void __led_toggle (led_id_t mask) |
| { |
| int state, toggle_gpio = 0; |
| #ifdef STATUS_LED_BIT |
| if (!toggle_gpio && STATUS_LED_BIT & mask) |
| toggle_gpio = BEAGLE_LED_USR0; |
| #endif |
| #ifdef STATUS_LED_BIT1 |
| if (!toggle_gpio && STATUS_LED_BIT1 & mask) |
| toggle_gpio = BEAGLE_LED_USR1; |
| #endif |
| if (toggle_gpio) { |
| if (!gpio_request(toggle_gpio, "")) { |
| gpio_direction_output(toggle_gpio, 0); |
| 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) { |
| if (!gpio_request(BEAGLE_LED_USR0, "")) { |
| gpio_direction_output(BEAGLE_LED_USR0, 0); |
| gpio_set_value(BEAGLE_LED_USR0, state); |
| } |
| } |
| #endif |
| #ifdef STATUS_LED_BIT1 |
| if (STATUS_LED_BIT1 & mask) { |
| if (!gpio_request(BEAGLE_LED_USR1, "")) { |
| gpio_direction_output(BEAGLE_LED_USR1, 0); |
| gpio_set_value(BEAGLE_LED_USR1, state); |
| } |
| } |
| #endif |
| } |
