text: #ifndef DDK750_POWER_H__
  #define DDK750_POWER_H__
  
  typedef enum _DPMS_t {
  	crtDPMS_ON = 0x0,
  	crtDPMS_STANDBY = 0x1,
  	crtDPMS_SUSPEND = 0x2,
  	crtDPMS_OFF = 0x3,
  }
  DPMS_t;
  
  #define setDAC(off) {							\
  	poke32(MISC_CTRL,						\
  	       (peek32(MISC_CTRL) & ~MISC_CTRL_DAC_POWER_OFF) | (off)); \
  }
  
  void ddk750_set_dpms(DPMS_t state);
  void sm750_set_power_mode(unsigned int powerMode);
  void sm750_set_current_gate(unsigned int gate);
  
  /*
   * This function enable/disable the 2D engine.
   */
  void sm750_enable_2d_engine(unsigned int enable);
  
  /*
   * This function enable/disable the DMA Engine
   */
  void sm750_enable_dma(unsigned int enable);
  
  /*
   * This function enable/disable the GPIO Engine
   */
  void sm750_enable_gpio(unsigned int enable);
  
  /*
   * This function enable/disable the I2C Engine
   */
  void sm750_enable_i2c(unsigned int enable);
  
  #endif
  