Lines Matching +full:interrupt +full:- +full:map +full:- +full:mask

2  * Interrupt handling for GE FPGA based PIC
17 #include <linux/interrupt.h>
38 /* Interrupt Controller Interface Registers */
57  * Interrupt Controller Handling
59  * The interrupt controller handles interrupts for most on board interrupts,
67  * 12    RO Real Time Clock Interrupt Status
68  * 11    RO Temperature Interrupt Status
69  * 10    RO Temperature Critical Interrupt Status
70  * 9     RO Ethernet PHY1 Interrupt Status
71  * 8     RO Ethernet PHY3 Interrupt Status
72  * 7     RO PEX8548 Interrupt Status
74  * 5     RO Watchdog 0 Interrupt Status
75  * 4     RO Watchdog 1 Interrupt Status
76  * 3     RO AXIS Message FIFO A Interrupt Status
77  * 2     RO AXIS Message FIFO B Interrupt Status
78  * 1     RO AXIS Message FIFO C Interrupt Status
79  * 0     RO AXIS Message FIFO D Interrupt Status
83  * interrupt could generate interrupts on both output lines!
100 	 * See if we actually have an interrupt, call generic handling code if  in gef_pic_cascade()
108 	chip->irq_eoi(&desc->irq_data);  in gef_pic_cascade()
115 	u32 mask;  in gef_pic_mask()  local
118 	mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));  in gef_pic_mask()
119 	mask &= ~(1 << hwirq);  in gef_pic_mask()
120 	out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);  in gef_pic_mask()
126 	/* Don't think we actually have to do anything to ack an interrupt,  in gef_pic_mask_ack()
127 	 * we just need to clear down the devices interrupt and it will go away  in gef_pic_mask_ack()
136 	u32 mask;  in gef_pic_unmask()  local
139 	mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));  in gef_pic_unmask()
140 	mask |= (1 << hwirq);  in gef_pic_unmask()
141 	out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);  in gef_pic_unmask()
153 /* When an interrupt is being configured, this call allows some flexibilty
181 	.map	= gef_pic_host_map,
193 	/* Map the devices registers into memory */  in gef_pic_init()
207 	/* Map controller */  in gef_pic_init()
210 		printk(KERN_ERR "SBC610: failed to map cascade interrupt");  in gef_pic_init()
225  * This is called when we receive an interrupt with apparently comes from this
226  * chip - check, returning the highest interrupt generated or return 0.
230 	u32 cause, mask, active;  in gef_pic_get_irq()  local
236 	mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));  in gef_pic_get_irq()
238 	active = cause & mask;  in gef_pic_get_irq()
241 		for (hwirq = GEF_PIC_NUM_IRQS - 1; hwirq > -1; hwirq--) {  in gef_pic_get_irq()