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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, [email protected].
*/
/*
* The purpose of this code is to signal the operational status of a
* target which usually boots over the network; while running in
* PCBoot, a status LED is blinking. As soon as a valid BOOTP reply
* message has been received, the LED is turned off. The Linux
* kernel, once it is running, will start blinking the LED again,
* with another frequency.
*/
#ifndef _STATUS_LED_H_
#define _STATUS_LED_H_
#ifdef CONFIG_LED_STATUS
#define LED_STATUS_PERIOD (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ)
#ifdef CONFIG_LED_STATUS1
#define LED_STATUS_PERIOD1 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ1)
#endif /* CONFIG_LED_STATUS1 */
#ifdef CONFIG_LED_STATUS2
#define LED_STATUS_PERIOD2 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ2)
#endif /* CONFIG_LED_STATUS2 */
#ifdef CONFIG_LED_STATUS3
#define LED_STATUS_PERIOD3 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ3)
#endif /* CONFIG_LED_STATUS3 */
#ifdef CONFIG_LED_STATUS4
#define LED_STATUS_PERIOD4 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ4)
#endif /* CONFIG_LED_STATUS4 */
#ifdef CONFIG_LED_STATUS5
#define LED_STATUS_PERIOD5 (CONFIG_SYS_HZ / CONFIG_LED_STATUS_FREQ5)
#endif /* CONFIG_LED_STATUS5 */
void status_led_init(void);
void status_led_tick(unsigned long timestamp);
void status_led_set(int led, int state);
static inline void status_led_boot_blink(void)
{
#ifdef CONFIG_LED_STATUS_BOOT_ENABLE
status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_BLINKING);
#endif
}
#if defined(CONFIG_LED_STATUS_BOARD_SPECIFIC)
/* led_id_t is unsigned long mask */
typedef unsigned long led_id_t;
extern void __led_toggle (led_id_t mask);
extern void __led_init (led_id_t mask, int state);
extern void __led_set (led_id_t mask, int state);
void __led_blink(led_id_t mask, int freq);
#else
# error Status LED configuration missing
#endif
#else
static inline void status_led_init(void) { }
static inline void status_led_set(int led, int state) { }
static inline void status_led_boot_blink(void) { }
#endif /* CONFIG_LED_STATUS */
#endif /* _STATUS_LED_H_ */
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