drivers/video/backlight/rk2818_backlight.h

   1 /*
   2  *  drivers/video/rk29_backlight.h
   3  *
   4  */
   5
   6 #ifndef __ASM_ARCH_RK2818_BACKLIGHT_H
   7 #define __ASM_ARCH_RK2818_BACKLIGHT_H
   8
   9 ///PWM_CTRL
  10 #define PWM_DIV2            (0<<9)
  11 #define PWM_DIV4            (1<<9)
  12 #define PWM_DIV8            (2<<9)
  13 #define PWM_DIV16           (3<<9)
  14 #define PWM_DIV32           (4<<9)
  15 #define PWM_DIV64           (5<<9)
  16 #define PWM_DIV128          (6<<9)
  17 #define PWM_DIV256          (7<<9)
  18 #define PWM_DIV512          (8<<9)
  19 #define PWM_DIV1024         (9<<9)
  20
  21 #define PWM_CAPTURE         (1<<8)
  22 #define PWM_RESET           (1<<7)
  23 #define PWM_INTCLR          (1<<6)
  24 #define PWM_INTEN           (1<<5)
  25 #define PWM_SINGLE          (1<<6)
  26
  27 #define PWM_ENABLE          (1<<3)
  28 #define PWM_TIME_EN         (1)
  29
  30
  31 #define PWM_REG_CNTR         0x00
  32 #define PWM_REG_HRC          0x04
  33 #define PWM_REG_LRC          0x08
  34 #define PWM_REG_CTRL         0x0c
  35
  36
  37 #define PWM_DIV              PWM_DIV2
  38 #ifdef CONFIG_MACH_RK30_DS1001B
  39 #define PWM_APB_PRE_DIV      20000
  40 #else
  41 #define PWM_APB_PRE_DIV      1000
  42 #endif
  43 #define BL_STEP              255
  44
  45 #endif  /* __ASM_ARCH_RK2818_BACKLIGHT_H */