#import <Foundation/Foundation.h>
#import <IOKit/i2c/IOI2CInterface.h>
#import <CoreGraphics/CoreGraphics.h>

typedef CFTypeRef IOAVService;
extern IOAVService IOAVServiceCreate(CFAllocatorRef allocator);
extern IOAVService IOAVServiceCreateWithService(CFAllocatorRef allocator, io_service_t service);
extern IOReturn IOAVServiceReadI2C(IOAVService service, uint32_t chipAddress, uint32_t offset, void* outputBuffer, uint32_t outputBufferSize);
extern IOReturn IOAVServiceWriteI2C(IOAVService service, uint32_t chipAddress, uint32_t dataAddress, void* inputBuffer, uint32_t inputBufferSize);
extern CFDictionaryRef CoreDisplay_DisplayCreateInfoDictionary(CGDirectDisplayID);

extern int DisplayServicesGetBrightness(CGDirectDisplayID display, float *brightness);
extern int DisplayServicesSetBrightness(CGDirectDisplayID display, float brightness);

@interface KeyboardBrightnessClient : NSObject

- (BOOL)isAutoBrightnessEnabledForKeyboard:(unsigned long long)keyboardID;
- (BOOL)isIdleDimmingSuspendedOnKeyboard:(unsigned long long)keyboardID;
- (BOOL)suspendIdleDimming:(BOOL)suspended forKeyboard:(unsigned long long)keyboardID;
- (BOOL)enableAutoBrightness:(BOOL)enabled forKeyboard:(unsigned long long)keyboardID;
- (BOOL)setBrightness:(float)brightness fadeSpeed:(int)fadeSpeed commit:(BOOL)commit forKeyboard:(unsigned long long)keyboardID;
- (BOOL)setBrightness:(float)brightness forKeyboard:(unsigned long long)keyboardID;
- (float)brightnessForKeyboard:(unsigned long long)keyboardID;
- (BOOL)isKeyboardBuiltIn:(unsigned long long)keyboardID;
- (id)copyKeyboardBacklightIDs;

@end