Cross Reference: /src/sys/arch/arm/iomd/iomd

Lines Matching refs:irq
37  * IRQ/FIQ initialisation, claim, release and handler routines
75  * Initialise the IRQ/FIQ sub system
83 	/* Clear all the IRQ handlers and the irq block masks */
87 	/* Clear the IRQ/FIQ masks in the IOMD */
120 	/* Enable IRQ's and FIQ's */
126  * int irq_claim(int irq, irqhandler_t *handler)
128  * Enable an IRQ and install a handler for it.
132 irq_claim(int irq, irqhandler_t *handler)
146 	 * IRQ_INSTRUCT indicates that we should get the irq number
147 	 * from the irq structure
149 	if (irq == IRQ_INSTRUCT)
150 		irq = handler->ih_num;
152 	/* Make sure the irq number is valid */
153 	if (irq < 0 || irq >= NIRQS)
163 	handler->ih_next = irqhandlers[irq];
164 	irqhandlers[irq] = handler;
175 	 * IRQ number though for the moment they are
177 	handler->ih_num = irq;
181 	char *iptr = _intrnames + (irq * 14);
185 		snprintf(iptr, 14, "irq %2d     ", irq);
190 	 * Update the irq masks.
191 	 * Find the lowest interrupt priority on the irq chain.
200 		 * Find the lowest interrupt priority on the irq chain.
203 		ptr = irqhandlers[irq];
218 				irqmasks[max_level] &= ~(1 << irq);
222 				irqmasks[level] |= (1 << irq);
235 	enable_irq(irq);
244  * int irq_release(int irq, irqhandler_t *handler)
246  * Disable an IRQ and remove a handler for it.
250 irq_release(int irq, irqhandler_t *handler)
257 	 * IRQ_INSTRUCT indicates that we should get the irq number
258 	 * from the irq structure
260 	if (irq == IRQ_INSTRUCT)
261 		irq = handler->ih_num;
263 	/* Make sure the irq number is valid */
264 	if (irq < 0 || irq >= NIRQS)
268 	irqhand = irqhandlers[irq];
269 	prehand = &irqhandlers[irq];
286 	if (irqhandlers[irq])
287 		irqhandlers[irq]->ih_flags |= IRQ_FLAG_ACTIVE;
291 	char *iptr = _intrnames + (irq * 14);
292 	if (irqhandlers[irq] && irqhandlers[irq]->ih_name) {
293 		strlcpy(iptr, irqhandlers[irq]->ih_name, 14);
295 		snprintf(iptr, 14, "irq %2d     ", irq);
300 	 * Update the irq masks.
309 			irqmasks[level] &= ~(1 << irq);
312 		 * Find the lowest interrupt priority on the irq chain.
315 		ptr = irqhandlers[irq];
324 				irqmasks[level] |= (1 << irq);
332 	 * this IRQ.
334 	if (irqhandlers[irq] == NULL)
335 		disable_irq(irq);
344 intr_claim(int irq, int level, const char *name, int (*ih_func)(void *),
356 	if (irq_claim(irq, ih) != 0) {
405  * void disable_irq(int irq)
407  * Disables a specific irq. The irq is removed from the master irq mask
411 disable_irq(int irq)
416 	current_mask &= ~(1 << irq);
423  * void enable_irq(int irq)
425  * Enables a specific irq. The irq is added to the master irq mask
431 enable_irq(int irq)
436 	current_mask |= (1 << irq);
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