GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/gmp/drv/osal/linux/kernel/osal_interrupt.c

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) XMEDIA. All rights reserved.
+ */
+#include "osal.h"
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/printk.h>
+#include <linux/interrupt.h>
+
+int osal_request_irq(unsigned int irq, osal_irq_handler_t handler, osal_irq_handler_t thread_fn, const char *name,
+                     void *dev)
+{
+    unsigned long flags = IRQF_SHARED;
+
+    return request_threaded_irq(irq, (irq_handler_t)handler, (irq_handler_t)thread_fn, flags, name, dev);
+}
+EXPORT_SYMBOL(osal_request_irq);
+void osal_free_irq(unsigned int irq, void *dev)
+{
+    free_irq(irq, dev);
+}
+EXPORT_SYMBOL(osal_free_irq);
+
+int osal_in_interrupt(void)
+{
+    return in_interrupt();
+}
+EXPORT_SYMBOL(osal_in_interrupt);
+
+#if 0
+#ifdef CONFIG_ARM_GIC
+
+#define DIS_IRQ_CNT 2
+struct gic_sgi_handle {
+    unsigned int irq;
+    void (*handle)(unsigned int cpu_intrf,
+                   unsigned int irq_num,
+                   struct pt_regs *regs);
+};
+int osal_register_gic_handle(unsigned int index, unsigned int irq,
+    osal_gic_handle_t handle, const char *name, void *dev)
+{
+    extern struct gic_sgi_handle dis_irq_handle[DIS_IRQ_CNT];
+
+
+    if (index >= DIS_IRQ_CNT) {
+        printk("index(%d) is error.\n", index);
+        return -1;
+    }
+    dis_irq_handle[index].irq = irq;
+    dis_irq_handle[index].handle = (void (*)(unsigned int, unsigned int, struct pt_regs *))(handle);
+
+    return 0;
+}
+EXPORT_SYMBOL(osal_register_gic_handle);
+
+int osal_unregister_gic_handle(unsigned int index, unsigned int irq, void *dev)
+{
+    extern struct gic_sgi_handle dis_irq_handle[DIS_IRQ_CNT];
+
+    if (index >= DIS_IRQ_CNT) {
+        printk("index(%d) is error.\n", index);
+        return -1;
+    }
+    dis_irq_handle[index].irq = 0xF;
+    dis_irq_handle[index].handle = NULL;
+
+    return 0;
+}
+EXPORT_SYMBOL(osal_unregister_gic_handle);
+#endif
+#endif