73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* Copyright (c) XMEDIA. All rights reserved.
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*/
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#include "osal.h"
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/printk.h>
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#include <linux/interrupt.h>
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int osal_request_irq(unsigned int irq, osal_irq_handler_t handler, osal_irq_handler_t thread_fn, const char *name,
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void *dev)
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{
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unsigned long flags = IRQF_SHARED;
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return request_threaded_irq(irq, (irq_handler_t)handler, (irq_handler_t)thread_fn, flags, name, dev);
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}
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EXPORT_SYMBOL(osal_request_irq);
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void osal_free_irq(unsigned int irq, void *dev)
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{
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free_irq(irq, dev);
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}
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EXPORT_SYMBOL(osal_free_irq);
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int osal_in_interrupt(void)
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{
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return in_interrupt();
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}
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EXPORT_SYMBOL(osal_in_interrupt);
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#if 0
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#ifdef CONFIG_ARM_GIC
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#define DIS_IRQ_CNT 2
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struct gic_sgi_handle {
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unsigned int irq;
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void (*handle)(unsigned int cpu_intrf,
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unsigned int irq_num,
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struct pt_regs *regs);
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};
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int osal_register_gic_handle(unsigned int index, unsigned int irq,
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osal_gic_handle_t handle, const char *name, void *dev)
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{
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extern struct gic_sgi_handle dis_irq_handle[DIS_IRQ_CNT];
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if (index >= DIS_IRQ_CNT) {
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printk("index(%d) is error.\n", index);
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return -1;
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}
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dis_irq_handle[index].irq = irq;
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dis_irq_handle[index].handle = (void (*)(unsigned int, unsigned int, struct pt_regs *))(handle);
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return 0;
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}
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EXPORT_SYMBOL(osal_register_gic_handle);
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int osal_unregister_gic_handle(unsigned int index, unsigned int irq, void *dev)
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{
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extern struct gic_sgi_handle dis_irq_handle[DIS_IRQ_CNT];
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if (index >= DIS_IRQ_CNT) {
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printk("index(%d) is error.\n", index);
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return -1;
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}
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dis_irq_handle[index].irq = 0xF;
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dis_irq_handle[index].handle = NULL;
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return 0;
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}
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EXPORT_SYMBOL(osal_unregister_gic_handle);
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#endif
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#endif
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