C++ (Cpp) IXP2000_BOARD_IRQ示例

示例#1

文件： ixdp2x01.c 项目： GodFox/magx_kernel_xpixl

static void ixdp2x01_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
{
	u32 ex_interrupt;
	int i;

	desc->chip->mask(irq);

	ex_interrupt = *IXDP2X01_INT_STAT_REG & valid_irq_mask;

	if (!ex_interrupt) {
		printk(KERN_ERR "Spurious IXDP2X01 CPLD interrupt!\n");
		return;
	}

	for (i = 0; i < IXP2000_BOARD_IRQS; i++) {
		if (ex_interrupt & (1 << i)) {
			struct irqdesc *cpld_desc;
			int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
			cpld_desc = irq_desc + cpld_irq;
			cpld_desc->handle(cpld_irq, cpld_desc, regs);
		}
	}

	desc->chip->unmask(irq);
}

示例#2

文件： ixdp2x00.c 项目： Jackeagle/android_kernel_sony_c2305

static void ixdp2x00_irq_handler(unsigned int irq, struct irq_desc *desc)
{
        volatile u32 ex_interrupt = 0;
	static struct slowport_cfg old_cfg;
	int i;

	desc->irq_data.chip->irq_mask(&desc->irq_data);

#ifdef CONFIG_ARCH_IXDP2400
	if (machine_is_ixdp2400())
		ixp2000_acquire_slowport(&slowport_cpld_cfg, &old_cfg);
#endif
        ex_interrupt = *board_irq_stat & 0xff;
	if (machine_is_ixdp2400())
		ixp2000_release_slowport(&old_cfg);

	if(!ex_interrupt) {
		printk(KERN_ERR "Spurious IXDP2x00 CPLD interrupt!\n");
		return;
	}

	for(i = 0; i < board_irq_count; i++) {
		if(ex_interrupt & (1 << i))  {
			int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
			generic_handle_irq(cpld_irq);
		}
	}

	desc->irq_data.chip->irq_unmask(&desc->irq_data);
}

示例#3

文件： ixdp2x00.c 项目： Jackeagle/android_kernel_sony_c2305

void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long *mask_reg, unsigned long nr_of_irqs)
{
	unsigned int irq;

	ixp2000_init_irq();
	
	if (!ixdp2x00_master_npu())
		return;

	board_irq_stat = stat_reg;
	board_irq_mask = mask_reg;
	board_irq_count = nr_of_irqs;

	*board_irq_mask = 0xffffffff;

	for(irq = IXP2000_BOARD_IRQ(0); irq < IXP2000_BOARD_IRQ(board_irq_count); irq++) {
		irq_set_chip_and_handler(irq, &ixdp2x00_cpld_irq_chip,
					 handle_level_irq);
		set_irq_flags(irq, IRQF_VALID);
	}

	/* Hook into PCI interrupt */
	irq_set_chained_handler(IRQ_IXP2000_PCIB, ixdp2x00_irq_handler);
}

示例#4

文件： ixdp2x01.c 项目： andi34/Dhollmen_Kernel

static void ixdp2x01_irq_handler(unsigned int irq, struct irq_desc *desc)
{
	u32 ex_interrupt;
	int i;

	desc->irq_data.chip->irq_mask(&desc->irq_data);

	ex_interrupt = *IXDP2X01_INT_STAT_REG & valid_irq_mask;

	if (!ex_interrupt) {
		printk(KERN_ERR "Spurious IXDP2X01 CPLD interrupt!\n");
		return;
	}

	for (i = 0; i < IXP2000_BOARD_IRQS; i++) {
		if (ex_interrupt & (1 << i)) {
			int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
			generic_handle_irq(cpld_irq);
		}
	}

	desc->irq_data.chip->irq_unmask(&desc->irq_data);
}