/*********************************************************************************
 *      Copyright:  (C) 2017 LingYun IoT Studio <www.iot-yun.com>
 *                  All rights reserved.
 *
 *       Filename:  platdev_led.h
 *    Description:  This is the LED platform device head file
 *                 
 *        Version:  1.0.0(10/27/2011~)
 *         Author:  Guo Wenxue <guowenxue@gmail.com>
 *      ChangeLog:  1, Release initial version on "10/27/2011 11:39:10 AM"
 *                 
 ********************************************************************************/

#ifndef  _PLATDEV_LED_H_
#define  _PLATDEV_LED_H_

#include <linux/platform_device.h>
#include <linux/version.h>

#include <mach/regs-gpio.h>

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)
#include <mach/hardware.h>
#include <mach/gpio.h>
#include <asm/irq.h>
#else 
#include <asm-arm/irq.h>
#include <asm/arch/gpio.h>
#include <asm/arch/hardware.h>
#endif



#define ENPULLUP                    1
#define DISPULLUP                   0

#define HIGHLEVEL                   1
#define LOWLEVEL                    0

#define INPUT                       1
#define OUTPUT                      0

#define OFF                         0
#define ON                          1

#define ENABLE                      1
#define DISABLE                     0

/*  LED hardware informtation structure*/
struct s3c_led_info
{
    unsigned char           num;              /* The LED number  */
    unsigned int            gpio;             /* Which GPIO the LED used */  
    unsigned char           active_level;     /* The GPIO pin level(HIGHLEVEL or LOWLEVEL) to turn on or off  */
    unsigned char           status;           /* Current LED status: OFF/ON */
    unsigned char           blink;            /* Blink or not */           
};

/*  The LED platform device private data structure */
struct s3c_led_platform_data
{
    struct s3c_led_info    *leds;
    int                     nleds;
};


#endif   /* ----- #ifndef _PLATDEV_LED_H_  ----- */