C++ (Cpp) gpio_get_in_value 예제들

예제 #1

파일: chromeos.c 프로젝트: kmalkki/coreboot

void fill_lb_gpios(struct lb_gpios *gpios)
{
	int count = 0;

	/* Write Protect: active low */
	gpios->gpios[count].port = GPIO_R1_INDEX;
	gpios->gpios[count].polarity = ACTIVE_LOW;
	gpios->gpios[count].value = gpio_get_in_value(GPIO(R1));
	strncpy((char *)gpios->gpios[count].name, "write protect",
		GPIO_MAX_NAME_LENGTH);
	count++;

	/* Recovery: active high */
	gpios->gpios[count].port = -1;
	gpios->gpios[count].polarity = ACTIVE_HIGH;
	gpios->gpios[count].value = get_recovery_mode_switch();
	strncpy((char *)gpios->gpios[count].name, "recovery",
		GPIO_MAX_NAME_LENGTH);
	count++;

	/* Lid: active high */
	gpios->gpios[count].port = GPIO_R4_INDEX;
	gpios->gpios[count].polarity = ACTIVE_HIGH;
	gpios->gpios[count].value = gpio_get_in_value(GPIO(R4));
	strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH);
	count++;

	/* Power: active low */
	gpios->gpios[count].port = GPIO_Q0_INDEX;
	gpios->gpios[count].polarity = ACTIVE_LOW;
	gpios->gpios[count].value = gpio_get_in_value(GPIO(Q0));
	strncpy((char *)gpios->gpios[count].name, "power",
		GPIO_MAX_NAME_LENGTH);
	count++;

	/* Developer: virtual GPIO active high */
	gpios->gpios[count].port = -1;
	gpios->gpios[count].polarity = ACTIVE_HIGH;
	gpios->gpios[count].value = get_developer_mode_switch();
	strncpy((char *)gpios->gpios[count].name, "developer",
		GPIO_MAX_NAME_LENGTH);
	count++;

	gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
	gpios->count = count;

	printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
}

예제 #2

파일: chromeos.c 프로젝트: kmalkki/coreboot

int get_recovery_mode_switch(void)
{
	uint32_t ec_events;

	/* The GPIO is active low. */
	if (!gpio_get_in_value(GPIO(Q7))) // RECMODE_GPIO
		return 1;

	ec_events = google_chromeec_get_events_b();
	return !!(ec_events &
		  EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
}

예제 #3

파일: chromeos.c 프로젝트: kmalkki/coreboot

int get_write_protect_state(void)
{
	return !gpio_get_in_value(GPIO(R1));
}

예제 #4

파일: board.c 프로젝트: coreboot/depthcharge

static int get_gpio(struct GpioOps *me)
{
	IpqGpio *gpio = container_of(me, IpqGpio, gpio_ops);
	return gpio_get_in_value(gpio->desc);
}