include/asm-blackfin/dpmc.h

   1 /*
   2  * include/asm-blackfin/dpmc.h -  Miscellaneous IOCTL commands for Dynamic Power
   3  *                              Management Controller Driver.
   4  * Copyright (C) 2004-2008 Analog Device Inc.
   5  *
   6  */
   7 #ifndef _BLACKFIN_DPMC_H_
   8 #define _BLACKFIN_DPMC_H_
   9
  10 #define SLEEP_MODE              1
  11 #define DEEP_SLEEP_MODE         2
  12 #define ACTIVE_PLL_DISABLED     3
  13 #define FULLON_MODE             4
  14 #define ACTIVE_PLL_ENABLED      5
  15 #define HIBERNATE_MODE          6
  16
  17 #define IOCTL_FULL_ON_MODE      _IO('s', 0xA0)
  18 #define IOCTL_ACTIVE_MODE       _IO('s', 0xA1)
  19 #define IOCTL_SLEEP_MODE        _IO('s', 0xA2)
  20 #define IOCTL_DEEP_SLEEP_MODE   _IO('s', 0xA3)
  21 #define IOCTL_HIBERNATE_MODE    _IO('s', 0xA4)
  22 #define IOCTL_CHANGE_FREQUENCY  _IOW('s', 0xA5, unsigned long)
  23 #define IOCTL_CHANGE_VOLTAGE    _IOW('s', 0xA6, unsigned long)
  24 #define IOCTL_SET_CCLK          _IOW('s', 0xA7, unsigned long)
  25 #define IOCTL_SET_SCLK          _IOW('s', 0xA8, unsigned long)
  26 #define IOCTL_GET_PLLSTATUS     _IOW('s', 0xA9, unsigned long)
  27 #define IOCTL_GET_CORECLOCK     _IOW('s', 0xAA, unsigned long)
  28 #define IOCTL_GET_SYSTEMCLOCK   _IOW('s', 0xAB, unsigned long)
  29 #define IOCTL_GET_VCO           _IOW('s', 0xAC, unsigned long)
  30 #define IOCTL_DISABLE_WDOG_TIMER _IO('s', 0xAD)
  31 #define IOCTL_UNMASK_WDOG_WAKEUP_EVENT _IO('s',0xAE)
  32 #define IOCTL_PROGRAM_WDOG_TIMER _IOW('s',0xAF,unsigned long)
  33 #define IOCTL_CLEAR_WDOG_WAKEUP_EVENT _IO('s',0xB0)
  34 #define IOCTL_SLEEP_DEEPER_MODE _IO('s',0xB1)
  35
  36 #define DPMC_MINOR              254
  37
  38 #define ON      0
  39 #define OFF     1
  40
  41 #ifdef __KERNEL__
  42
  43 unsigned long calc_volt(void);
  44 int calc_vlev(int vlt);
  45 unsigned long change_voltage(unsigned long volt);
  46 int calc_msel(int vco_hz);
  47 unsigned long change_frequency(unsigned long vco_mhz);
  48 int set_pll_div(unsigned short sel, unsigned char flag);
  49 int get_vco(void);
  50 unsigned long change_system_clock(unsigned long clock);
  51 unsigned long change_core_clock(unsigned long clock);
  52 unsigned long get_pll_status(void);
  53 void change_baud(int baud);
  54 void fullon_mode(void);
  55 void active_mode(void);
  56 void sleep_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
  57 void deep_sleep(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
  58 void hibernate_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
  59 void sleep_deeper(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
  60 void program_wdog_timer(unsigned long);
  61 void unmask_wdog_wakeup_evt(void);
  62 void clear_wdog_wakeup_evt(void);
  63 void disable_wdog_timer(void);
  64
  65 extern unsigned long get_cclk(void);
  66 extern unsigned long get_sclk(void);
  67
  68 struct bfin_dpmc_platform_data {
  69         const unsigned int *tuple_tab;
  70         unsigned short tabsize;
  71         unsigned short vr_settling_time; /* in us */
  72 };
  73
  74 #define VRPAIR(vlev, freq) (((vlev) << 16) | ((freq) >> 16))
  75
  76 #endif  /* __KERNEL__ */
  77
  78 #endif  /*_BLACKFIN_DPMC_H_*/