C++ (Cpp) pcic_pin_to_irq Examples

Example #1

void __init fill_ebus_child(struct device_node *dp,
			    struct linux_ebus_child *dev)
{
	const int *regs;
	const int *irqs;
	int i, len;

	dev->prom_node = dp;
	regs = of_get_property(dp, "reg", &len);
	if (!regs)
		len = 0;
	dev->num_addrs = len / sizeof(regs[0]);

	for (i = 0; i < dev->num_addrs; i++) {
		if (regs[i] >= dev->parent->num_addrs) {
			prom_printf("UGH: property for %s was %d, need < %d\n",
				    dev->prom_node->name, len,
				    dev->parent->num_addrs);
			panic(__FUNCTION__);
		}

		/* XXX resource */
		dev->resource[i].start =
			dev->parent->resource[regs[i]].start;
	}

	for (i = 0; i < PROMINTR_MAX; i++)
		dev->irqs[i] = PCI_IRQ_NONE;

	if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
		dev->num_irqs = 1;
	} else {
		irqs = of_get_property(dp, "interrupts", &len);
		if (!irqs) {
			dev->num_irqs = 0;
			dev->irqs[0] = 0;
			if (dev->parent->num_irqs != 0) {
				dev->num_irqs = 1;
				dev->irqs[0] = dev->parent->irqs[0];
			}
		} else {
			dev->num_irqs = len / sizeof(irqs[0]);
			if (irqs[0] == 0 || irqs[0] >= 8) {
				/*
				 * XXX Zero is a valid pin number...
				 * This works as long as Ebus is not wired
				 * to INTA#.
				 */
				printk("EBUS: %s got bad irq %d from PROM\n",
				       dev->prom_node->name, irqs[0]);
				dev->num_irqs = 0;
				dev->irqs[0] = 0;
			} else {
				dev->irqs[0] =
					pcic_pin_to_irq(irqs[0],
							dev->prom_node->name);
			}
		}
	}
}

Example #2

void __init fill_ebus_child(int node, struct linux_prom_registers *preg,
				struct linux_ebus_child *dev)
{
	int regs[PROMREG_MAX];
	int irqs[PROMREG_MAX];
	char lbuf[128];
	int i, len;

	dev->prom_node = node;
	prom_getstring(node, "name", lbuf, sizeof(lbuf));
	strcpy(dev->prom_name, lbuf);

	len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
	if (len == -1) len = 0;
	dev->num_addrs = len / sizeof(regs[0]);

	for (i = 0; i < dev->num_addrs; i++) {
		if (regs[i] >= dev->parent->num_addrs) {
			prom_printf("UGH: property for %s was %d, need < %d\n",
				    dev->prom_name, len, dev->parent->num_addrs);
			panic(__FUNCTION__);
		}
		dev->resource[i].start = dev->parent->resource[regs[i]].start; /* XXX resource */
	}

	for (i = 0; i < PROMINTR_MAX; i++)
		dev->irqs[i] = PCI_IRQ_NONE;

	if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) {
		dev->num_irqs = 1;
	} else if ((len = prom_getproperty(node, "interrupts",
	    (char *)&irqs, sizeof(irqs))) == -1 || len == 0) {
		dev->num_irqs = 0;
		dev->irqs[0] = 0;
		if (dev->parent->num_irqs != 0) {
			dev->num_irqs = 1;
			dev->irqs[0] = dev->parent->irqs[0];
/* P3 */ /* printk("EBUS: dev %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
		}
	} else {
		dev->num_irqs = len / sizeof(irqs[0]);
		if (irqs[0] == 0 || irqs[0] >= 8) {
			/*
			 * XXX Zero is a valid pin number...
			 * This works as long as Ebus is not wired to INTA#.
			 */
			printk("EBUS: %s got bad irq %d from PROM\n",
			    dev->prom_name, irqs[0]);
			dev->num_irqs = 0;
			dev->irqs[0] = 0;
		} else {
			dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name);
		}
	}
}

Example #3

int __init ebus_blacklist_irq(const char *name)
{
	struct ebus_device_irq *dp;

	if ((dp = ebus_blackp) != NULL) {
		for (; dp->name != NULL; dp++) {
			if (strcmp(name, dp->name) == 0) {
				return pcic_pin_to_irq(dp->pin, name);
			}
		}
	}
	return 0;
}