C++ (Cpp) GPIO_BLINK_EN Examples

Example #1

File: kw_gpio.c Project: 0s4l/u-boot-xlnx

void __set_blinking(unsigned pin, int blink)
{
	u32 u;

	u = readl(GPIO_BLINK_EN(pin));
	if (blink)
		u |= 1 << (pin & 31);
	else
		u &= ~(1 << (pin & 31));
	writel(u, GPIO_BLINK_EN(pin));
}

Example #2

File: gpio.c Project: jakev/CobraDroidBeta

void orion_gpio_set_blink(unsigned pin, int blink)
{
	unsigned long flags;
	u32 u;

	spin_lock_irqsave(&gpio_lock, flags);

	/*
	 * Set output value to zero.
	 */
	__set_level(pin, 0);

	u = readl(GPIO_BLINK_EN(pin));
	if (blink)
		u |= 1 << (pin & 31);
	else
		u &= ~(1 << (pin & 31));
	writel(u, GPIO_BLINK_EN(pin));

	spin_unlock_irqrestore(&gpio_lock, flags);
}

Example #3

File: gpio.c Project: jakev/CobraDroidBeta

void gpio_set_value(unsigned pin, int value)
{
	unsigned long flags;
	u32 u;

	spin_lock_irqsave(&gpio_lock, flags);

	/*
	 * Disable blinking.
	 */
	u = readl(GPIO_BLINK_EN(pin));
	u &= ~(1 << (pin & 31));
	writel(u, GPIO_BLINK_EN(pin));

	/*
	 * Configure GPIO output value.
	 */
	__set_level(pin, value);

	spin_unlock_irqrestore(&gpio_lock, flags);
}

Example #4

File: gpio.c Project: jakev/CobraDroidBeta

int gpio_direction_output(unsigned pin, int value)
{
	unsigned long flags;
	u32 u;

	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
		pr_debug("%s: invalid GPIO %d\n", __func__, pin);
		return -EINVAL;
	}

	spin_lock_irqsave(&gpio_lock, flags);

	/*
	 * Some callers might not have used gpio_request(),
	 * so flag this pin as requested now.
	 */
	if (gpio_label[pin] == NULL)
		gpio_label[pin] = "?";

	/*
	 * Disable blinking.
	 */
	u = readl(GPIO_BLINK_EN(pin));
	u &= ~(1 << (pin & 31));
	writel(u, GPIO_BLINK_EN(pin));

	/*
	 * Configure GPIO output value.
	 */
	__set_level(pin, value);

	/*
	 * Configure GPIO direction.
	 */
	__set_direction(pin, 0);

	spin_unlock_irqrestore(&gpio_lock, flags);

	return 0;
}