From cba34bd4d13f93087a5c873d7a15a059e54fb475 Mon Sep 17 00:00:00 2001
From: zhuangwei123 <zhuangwei@nblink-tech.com>
Date: Fri, 11 May 2018 14:36:18 +0800
Subject: [PATCH] [bsp/ls1cdev]drv_gpio add interrupt ops

---
 bsp/ls1cdev/drivers/drv_gpio.c | 56 +++++++++++++++++++++++++++++-----
 bsp/ls1cdev/drivers/drv_gpio.h |  7 +++--
 2 files changed, 53 insertions(+), 10 deletions(-)

diff --git a/bsp/ls1cdev/drivers/drv_gpio.c b/bsp/ls1cdev/drivers/drv_gpio.c
index 28af13385d..a4be5b2e4d 100644
--- a/bsp/ls1cdev/drivers/drv_gpio.c
+++ b/bsp/ls1cdev/drivers/drv_gpio.c
@@ -19,18 +19,22 @@
  *
  * Change Logs:
  * Date           Author       Notes
- * 2017-11-24     ÇÚΪ±¾       first version
+ * 2017-11-24     勤为本          first version
+ * 2018-05-11     zhuangwei    add gpio interrupt ops
  */
 
 #include <rtthread.h>
 #include <drivers/pin.h>
-#include "../libraries/ls1c_gpio.h"
+#include "ls1c_gpio.h"
+#include "ls1c.h"
+#include <rthw.h>
 
+#ifdef RT_USING_PIN
 
 void ls1c_pin_mode(struct rt_device *device, rt_base_t pin, rt_base_t mode)
 {
     unsigned int gpio = pin;
-    
+
     if (PIN_MODE_OUTPUT == mode)
     {
         gpio_init(gpio, gpio_mode_output);
@@ -47,7 +51,7 @@ void ls1c_pin_mode(struct rt_device *device, rt_base_t pin, rt_base_t mode)
 void ls1c_pin_write(struct rt_device *device, rt_base_t pin, rt_base_t value)
 {
     unsigned int gpio = pin;
-    
+
     if (PIN_LOW == value)
     {
         gpio_set(gpio, gpio_level_low);
@@ -78,20 +82,58 @@ int ls1c_pin_read(struct rt_device *device, rt_base_t pin)
     return value;
 }
 
+rt_err_t ls1c_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
+                             rt_uint32_t mode, void (*hdr)(void *args), void *args)
+{
+    unsigned int gpio = pin;
+    char irq_name[10];
 
-const static struct rt_pin_ops _ls1c_pin_ops = 
+    gpio_set_irq_type(gpio, mode);
+    rt_sprintf(irq_name, "PIN_%d", gpio);
+    rt_hw_interrupt_install(LS1C_GPIO_TO_IRQ(gpio), (rt_isr_handler_t)hdr, args, irq_name);
+
+    return RT_EOK;
+}
+
+rt_err_t ls1c_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
+{
+    return RT_EOK;
+}
+
+rt_err_t ls1c_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled)
+{
+    unsigned int gpio = pin;
+
+    if (enabled)
+        rt_hw_interrupt_umask(LS1C_GPIO_TO_IRQ(gpio));
+    else
+        rt_hw_interrupt_mask(LS1C_GPIO_TO_IRQ(gpio));
+    return RT_EOK;
+}
+
+
+const static struct rt_pin_ops _ls1c_pin_ops =
 {
     ls1c_pin_mode,
     ls1c_pin_write,
     ls1c_pin_read,
+
+    ls1c_pin_attach_irq,
+    ls1c_pin_dettach_irq,
+    ls1c_pin_irq_enable
 };
 
 
 int hw_pin_init(void)
 {
-    rt_device_pin_register("pin", &_ls1c_pin_ops, RT_NULL);
-    return 0;
+    int ret = RT_EOK;
+
+    ret = rt_device_pin_register("pin", &_ls1c_pin_ops, RT_NULL);
+
+    return ret;
 }
 INIT_BOARD_EXPORT(hw_pin_init);
 
+#endif /*RT_USING_PIN */
+
 
diff --git a/bsp/ls1cdev/drivers/drv_gpio.h b/bsp/ls1cdev/drivers/drv_gpio.h
index 7657eb000f..ab67d9f32a 100644
--- a/bsp/ls1cdev/drivers/drv_gpio.h
+++ b/bsp/ls1cdev/drivers/drv_gpio.h
@@ -19,11 +19,12 @@
  *
  * Change Logs:
  * Date           Author       Notes
- * 2017-11-24     ÇÚΪ±¾       first version
+ * 2017-11-24     勤为本          first version
+ * 2018-05-11     zhuangwei    add gpio interrupt ops
  */
 
-#ifndef LS1C_DRV_GPIO_H
-#define LS1C_DRV_GPIO_H
+#ifndef __DRV_GPIO_H__
+#define __DRV_GPIO_H__
 
 
 int hw_pin_init(void);