Cross Reference: /src/sys/arch/shark/isa/isa

Lines Matching refs:irq
70  * IRQ/FIQ initialisation, claim, release and handler routines
108  * Initialise the IRQ/FIQ sub system
116 	/* Clear all the IRQ handlers and the irq block masks */
135 	/* Enable IRQ's and FIQ's */
141  * int irq_claim(int irq, irqhandler_t *handler)
143  * Enable an IRQ and install a handler for it.
147 irq_claim(int irq, irqhandler_t *handler, const char *group, const char *name)
159 	 * IRQ_INSTRUCT indicates that we should get the irq number
160 	 * from the irq structure
162 	if (irq == IRQ_INSTRUCT)
163 		irq = handler->ih_num;
165 	/* Make sure the irq number is valid */
166 	if (irq < 0 || irq >= NIRQS)
178 	handler->ih_next = irqhandlers[irq];
179 	irqhandlers[irq] = handler;
190 	 * IRQ number though for the moment they are
192 	handler->ih_num = irq;
196 	enable_irq(irq);
203  * int irq_release(int irq, irqhandler_t *handler)
205  * Disable an IRQ and remove a handler for it.
209 irq_release(int irq, irqhandler_t *handler)
215 	 * IRQ_INSTRUCT indicates that we should get the irq number
216 	 * from the irq structure
218 	if (irq == IRQ_INSTRUCT)
219 		irq = handler->ih_num;
221 	/* Make sure the irq number is valid */
222 	if (irq < 0 || irq >= NIRQS)
226 	prehand = &irqhandlers[irq];
244 	if (irqhandlers[irq])
245 		irqhandlers[irq]->ih_flags |= IRQ_FLAG_ACTIVE;
253 	 * this IRQ.
255 	if (irqhandlers[irq] == NULL)
256 		disable_irq(irq);
273 	int          irq, level;
277 	/* First, figure out which levels each IRQ uses. */
278 	for (irq = 0; irq < NIRQS; irq++) {
280 		for (ptr = irqhandlers[irq]; ptr; ptr = ptr->ih_next)
282 		irqlevel[irq] = levels;
288 		for (irq = 0; irq < NIRQS; irq++)
289 			if (irqlevel[irq] & (1 << level))
290 				irqs |= 1 << irq;
310 intr_claim(int irq, int level, int (*ih_func)(void *), void *ih_arg, const char *group, const char *name)
320 	if (irq_claim(irq, ih, group, name) != 0) {
342  * void disable_irq(int irq)
344  * Disables a specific irq. The irq is removed from the master irq mask
348 disable_irq(int irq)
353 	current_mask &= ~(1 << irq);
360  * void enable_irq(int irq)
362  * Enables a specific irq. The irq is added to the master irq mask
368 enable_irq(int irq)
373 	current_mask |= (1 << irq);
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