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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_WRITE_PROTECT_H
#define __CROS_EC_WRITE_PROTECT_H
#ifdef CONFIG_ZEPHYR
#include "zephyr_write_protect.h"
#else
#include "gpio.h"
static inline bool write_protect_is_asserted(void)
{
#ifdef CONFIG_WP_ALWAYS
return true;
#elif defined(CONFIG_WP_ACTIVE_HIGH)
return gpio_get_level(GPIO_WP);
#else
return !gpio_get_level(GPIO_WP_L);
#endif
}
static inline int write_protect_enable_interrupt(void)
{
#ifdef CONFIG_WP_ACTIVE_HIGH
return gpio_enable_interrupt(GPIO_WP);
#else
return gpio_enable_interrupt(GPIO_WP_L);
#endif
}
#ifdef TEST_BUILD
/**
* Set the WP state.
*
* @param value Logical level of the WP pin
*/
static inline void write_protect_set(int value)
{
#ifdef CONFIG_WP_ACTIVE_HIGH
gpio_set_level(GPIO_WP, value);
#else
gpio_set_level(GPIO_WP_L, !value);
#endif /* CONFIG_WP_ACTIVE_HIGH */
}
#endif /* TEST_BUILD */
#endif /* !CONFIG_ZEPHYR */
#endif /* __CROS_EC_WRITE_PROTECT_H */
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