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

Lines Matching refs:irq
39  * IRQ/FIQ initialisation, claim, release and handler routines
71  * Initialise the IRQ/FIQ sub system
79 	/* Clear all the IRQ handlers and the irq block masks */
98 	/* Enable IRQ's and FIQ's */
104  * int irq_claim(int irq, irqhandler_t *handler)
106  * Enable an IRQ and install a handler for it.
110 irq_claim(int irq, irqhandler_t *handler, const char *group, const char *name)
123 	 * IRQ_INSTRUCT indicates that we should get the irq number
124 	 * from the irq structure
126 	if (irq == IRQ_INSTRUCT)
127 		irq = handler->ih_num;
129 	/* Make sure the irq number is valid */
130 	if (irq < 0 || irq >= NIRQS)
141 	handler->ih_next = irqhandlers[irq];
142 	irqhandlers[irq] = handler;
153 	 * IRQ number though for the moment they are
155 	handler->ih_num = irq;
158 	 * Update the irq masks.
159 	 * Find the lowest interrupt priority on the irq chain.
168 		 * Find the lowest interrupt priority on the irq chain.
171 		ptr = irqhandlers[irq];
180 				irqmasks[level] |= (1 << irq);
193 	enable_irq(irq);
201  * int irq_release(int irq, irqhandler_t *handler)
203  * Disable an IRQ and remove a handler for it.
207 irq_release(int irq, irqhandler_t *handler)
214 	 * IRQ_INSTRUCT indicates that we should get the irq number
215 	 * from the irq structure
217 	if (irq == IRQ_INSTRUCT)
218 		irq = handler->ih_num;
220 	/* Make sure the irq number is valid */
221 	if (irq < 0 || irq >= NIRQS)
225 	irqhand = irqhandlers[irq];
226 	prehand = &irqhandlers[irq];
243 	if (irqhandlers[irq])
244 		irqhandlers[irq]->ih_flags |= IRQ_FLAG_ACTIVE;
247 	 * Update the irq masks.
256 			irqmasks[level] &= ~(1 << irq);
259 		 * Find the lowest interrupt priority on the irq chain.
262 		ptr = irqhandlers[irq];
271 				irqmasks[level] |= (1 << irq);
279 	 * this IRQ.
281 	if (irqhandlers[irq] == NULL)
282 		disable_irq(irq);
291 intr_claim(int irq, int level, int (*ih_func)(void *), void *ih_arg, const char *group, const char *name)
301 	if (irq_claim(irq, ih, group, name) != 0) {
323  * void disable_irq(int irq)
325  * Disables a specific irq. The irq is removed from the master irq mask
329 disable_irq(int irq)
334 	current_mask &= ~(1 << irq);
341  * void enable_irq(int irq)
343  * Enables a specific irq. The irq is added to the master irq mask
349 enable_irq(int irq)
354 	current_mask |= (1 << irq);
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