003-power_management_sleep_mode_ext29.patch

Index: arch/arm/mach-str8100/str8100_pm.c
===================================================================
--- arch/arm/mach-str8100/str8100_pm.c	(revision 378)
+++ arch/arm/mach-str8100/str8100_pm.c	(working copy)
@@ -35,6 +35,9 @@
 #include <asm/mach-types.h>
 
 #ifdef CONFIG_PM
+
+static struct proc_dir_entry *proc_str8100_pm;
+
 /******************************************************************************
  *
  * FUNCTION:  Hal_Cpu_Enter_Sleep_Mode
@@ -148,16 +151,57 @@
 //        .finish         = str8100_pm_finish,
 };
 
+static irqreturn_t str8100_ext_irq_handler(int this_irq, void *dev_id, struct pt_regs *regs)
+{
+	//if(debug) 
+	printk("%s: this_irq=%d\n",__FUNCTION__,this_irq);
+
+	HAL_INTC_DISABLE_INTERRUPT_SOURCE(this_irq);
+/*	if(test_gpio_external_pin){
+		test_gpio_external_pin();
+	}
+	*/
+	HAL_INTC_CLEAR_EDGE_TRIGGER_INTERRUPT(this_irq);
+	HAL_INTC_ENABLE_INTERRUPT_SOURCE(this_irq);
+
+    return IRQ_HANDLED;
+}
+
+static int str8100_pm_proc(char *page, char **start,  off_t off, int count, int *eof, void *data)
+{
+	int ret=0;
+
+	printk("%s:PM_SUSPEND_STANDBY  \n",__FUNCTION__);
+	str8100_pm_enter(PM_SUSPEND_STANDBY);
+
+	return ret;
+}
+
 static int __init str8100_pm_init(void)
 {
 	int ret;
-printk("%s: \n",__FUNCTION__);
+	printk("%s: \n",__FUNCTION__);
+	proc_str8100_pm = create_proc_read_entry("str8100/pm", 0, NULL, str8100_pm_proc, NULL) ;
 
-    /*
+    	/*
      * Configure system Xtal clock to be output to CLKOUT pin
      */
 	HAL_PWRMGT_CONFIGURE_CLOCK_OUT_PIN(0, 0);
 
+	/*setup trigger mod in edge 
+	{
+		//HAL_INTC_SET_EDGE_TRIGGER_MODE(INTC_EXT_INT29_BIT_INDEX);
+		//HAL_INTC_SET_RISING_EDGE_TRIGGER_LEVEL(INTC_EXT_INT29_BIT_INDEX);
+	}
+	*/
+	
+	//setup level trigger mod for low on ext int 29
+	HAL_INTC_SET_ACTIVE_LOW_TRIGGER_LEVEL(INTC_EXT_INT29_BIT_INDEX);
+
+	//setup misc pin and req a irq
+	HAL_MISC_ENABLE_EXT_INT29_PINS();
+	ret = request_irq(29, str8100_ext_irq_handler, 0, "str8100_ext", 0);
+
 	pm_set_ops(&str8100_pm_ops);
 	return 0;
 }