Пример #1
0
static irqreturn_t at91_cf_irq(int irq, void *_cf, struct pt_regs *r)
{
	struct at91_cf_socket	*cf = (struct at91_cf_socket *) _cf;

	if (irq == cf->board->det_pin) {
		unsigned present = at91_cf_present(cf);

		/* kick pccard as needed */
		if (present != cf->present) {
			cf->present = present;
			pr_debug("%s: card %s\n", driver_name,
					present ? "present" : "gone");
			pcmcia_parse_events(&cf->socket, SS_DETECT);
		}
	}

	return IRQ_HANDLED;
}
Пример #2
0
static irqreturn_t at91_cf_irq(int irq, void *_cf)
{
	struct at91_cf_socket *cf = _cf;

	if (irq == gpio_to_irq(cf->board->det_pin)) {
		unsigned present = at91_cf_present(cf);

		/* kick pccard as needed */
		if (present != cf->present) {
			cf->present = present;
			dev_dbg(&cf->pdev->dev, "card %s\n",
					present ? "present" : "gone");
			pcmcia_parse_events(&cf->socket, SS_DETECT);
		}
	}

	return IRQ_HANDLED;
}
Пример #3
0
static irqreturn_t at91_cf_irq(int irq, void *_cf)
{
	struct at91_cf_socket *cf = _cf;

	if (irq == gpio_to_irq(cf->board->det_pin)) {
		unsigned present = at91_cf_present(cf);

		/*                       */
		if (present != cf->present) {
			cf->present = present;
			pr_debug("%s: card %s\n", driver_name,
					present ? "present" : "gone");
			pcmcia_parse_events(&cf->socket, SS_DETECT);
		}
	}

	return IRQ_HANDLED;
}
Пример #4
0
static int at91_cf_get_status(struct pcmcia_socket *s, u_int *sp)
{
	struct at91_cf_socket	*cf;

	if (!sp)
		return -EINVAL;

	cf = container_of(s, struct at91_cf_socket, socket);

	/* NOTE: CF is always 3VCARD */
	if (at91_cf_present(cf)) {
		int rdy	= gpio_is_valid(cf->board->irq_pin);	/* RDY/nIRQ */
		int vcc	= gpio_is_valid(cf->board->vcc_pin);

		*sp = SS_DETECT | SS_3VCARD;
		if (!rdy || gpio_get_value(cf->board->irq_pin))
			*sp |= SS_READY;
		if (!vcc || gpio_get_value(cf->board->vcc_pin))
			*sp |= SS_POWERON;
	} else
		*sp = 0;

	return 0;
}