10 #include <irq-generic.h>
11 #include "irq-internal.h"
35 int bad_irq(int irq)  in bad_irq()  argument
42 	if (irq < PLATFORM_MAX_IRQ) {  in bad_irq()
43 		if (!irq_desc[irq].handle_irq)  in bad_irq()
46 		if (bad_virq(irq)) {  in bad_irq()
47 			IRQ_E("Unknown virq: %d\n", irq);  in bad_irq()
56 void __generic_gpio_handle_irq(int irq)  in __generic_gpio_handle_irq()  argument
58 	if (bad_irq(irq))  in __generic_gpio_handle_irq()
61 	if (irq < PLATFORM_GIC_MAX_IRQ) {  in __generic_gpio_handle_irq()
62 		IRQ_W("IRQ %d: Invalid GPIO irq\n", irq);  in __generic_gpio_handle_irq()
66 	if (irq_desc[irq].handle_irq) {  in __generic_gpio_handle_irq()
67 		irq_desc[irq].count++;  in __generic_gpio_handle_irq()
68 		irq_desc[irq].handle_irq(irq, irq_desc[irq].data);  in __generic_gpio_handle_irq()
74 	u32 irq;  in __do_generic_irq_handler()  local
79 	irq = irqchip.gic->irq_get();  in __do_generic_irq_handler()
81 	if (irq < PLATFORM_GIC_MAX_IRQ) {  in __do_generic_irq_handler()
82 		if (irq_desc[irq].handle_irq) {  in __do_generic_irq_handler()
83 			irq_desc[irq].count++;  in __do_generic_irq_handler()
84 			irq_desc[irq].handle_irq(irq, irq_desc[irq].data);  in __do_generic_irq_handler()
88 	irqchip.gic->irq_eoi(irq);  in __do_generic_irq_handler()
91 int irq_is_busy(int irq)  in irq_is_busy()  argument
93 	return (irq >= 0 && irq_desc[irq].handle_irq) ? -EBUSY : 0;  in irq_is_busy()
114 	 * request irq for gpio banks.  in __do_arch_irq_init()
163 int irq_handler_enable(int irq)  in irq_handler_enable()  argument
167 	if (bad_irq(irq))  in irq_handler_enable()
170 	if (irq < PLATFORM_GIC_MAX_IRQ)  in irq_handler_enable()
171 		ret = irqchip.gic->irq_enable(irq);  in irq_handler_enable()
172 	else if (irq < PLATFORM_GPIO_MAX_IRQ)  in irq_handler_enable()
173 		ret = irqchip.gpio->irq_enable(irq);  in irq_handler_enable()
175 		ret = irqchip.virq->irq_enable(irq);  in irq_handler_enable()
177 	if (!ret && irq < PLATFORM_MAX_IRQ)  in irq_handler_enable()
178 		irq_desc[irq].flag |= IRQ_FLG_ENABLE;  in irq_handler_enable()
183 int irq_handler_disable(int irq)  in irq_handler_disable()  argument
187 	if (bad_irq(irq))  in irq_handler_disable()
190 	if (irq < PLATFORM_GIC_MAX_IRQ)  in irq_handler_disable()
191 		ret = irqchip.gic->irq_disable(irq);  in irq_handler_disable()
192 	else if (irq < PLATFORM_GPIO_MAX_IRQ)  in irq_handler_disable()
193 		ret = irqchip.gpio->irq_disable(irq);  in irq_handler_disable()
195 		ret = irqchip.virq->irq_disable(irq);  in irq_handler_disable()
197 	if (!ret && irq < PLATFORM_MAX_IRQ)  in irq_handler_disable()
198 		irq_desc[irq].flag &= ~IRQ_FLG_ENABLE;  in irq_handler_disable()
203 int irq_set_irq_type(int irq, unsigned int type)  in irq_set_irq_type()  argument
205 	if (bad_irq(irq))  in irq_set_irq_type()
208 	if (irq < PLATFORM_GIC_MAX_IRQ)  in irq_set_irq_type()
209 		return irqchip.gic->irq_set_type(irq, type);  in irq_set_irq_type()
210 	else if (irq < PLATFORM_GPIO_MAX_IRQ)  in irq_set_irq_type()
211 		return irqchip.gpio->irq_set_type(irq, type);  in irq_set_irq_type()
216 int irq_revert_irq_type(int irq)  in irq_revert_irq_type()  argument
218 	if (bad_irq(irq))  in irq_revert_irq_type()
221 	if (irq < PLATFORM_GIC_MAX_IRQ)  in irq_revert_irq_type()
223 	else if (irq < PLATFORM_GPIO_MAX_IRQ)  in irq_revert_irq_type()
224 		return irqchip.gpio->irq_revert_type(irq);  in irq_revert_irq_type()
229 int irq_get_gpio_level(int irq)  in irq_get_gpio_level()  argument
231 	if (bad_irq(irq))  in irq_get_gpio_level()
234 	if (irq < PLATFORM_GIC_MAX_IRQ)  in irq_get_gpio_level()
236 	else if (irq < PLATFORM_GPIO_MAX_IRQ)  in irq_get_gpio_level()
237 		return irqchip.gpio->irq_get_gpio_level(irq);  in irq_get_gpio_level()
242 void irq_install_handler(int irq, interrupt_handler_t *handler, void *data)  in irq_install_handler()  argument
249 	if (irq < PLATFORM_MAX_IRQ) {  in irq_install_handler()
250 		if (!handler || irq_desc[irq].handle_irq)  in irq_install_handler()
252 		irq_desc[irq].handle_irq = handler;  in irq_install_handler()
253 		irq_desc[irq].data = data;  in irq_install_handler()
255 		virq_install_handler(irq, handler, data);  in irq_install_handler()
259 void irq_free_handler(int irq)  in irq_free_handler()  argument
261 	if (irq_handler_disable(irq))  in irq_free_handler()
264 	if (irq < PLATFORM_MAX_IRQ) {  in irq_free_handler()
265 		irq_desc[irq].handle_irq = NULL;  in irq_free_handler()
266 		irq_desc[irq].data = NULL;  in irq_free_handler()
268 		virq_free_handler(irq);  in irq_free_handler()
272 int irq_handler_enable_suspend_only(int irq)  in irq_handler_enable_suspend_only()  argument
274 	if (bad_irq(irq))  in irq_handler_enable_suspend_only()
278 		printf("Over max count(%d) of suspend irq\n",  in irq_handler_enable_suspend_only()
283 	irqchip.suspend_irq[irqchip.suspend_num++] = irq;  in irq_handler_enable_suspend_only()
385 	printf(" IRQ    En    Handler       Driver         Name              Trig\n");  in do_dump_irqs()
394 			drv_name = "IRQ";  in do_dump_irqs()