linux/include/asm-blackfin/dpmc.h

/*
 * include/asm-blackfin/dpmc.h -  Miscellaneous IOCTL commands for Dynamic Power
 *   			 	Management Controller Driver.
 * Copyright (C) 2004-2008 Analog Device Inc.
 *
 */
#ifndef _BLACKFIN_DPMC_H_
#define _BLACKFIN_DPMC_H_

#define SLEEP_MODE		1
#define DEEP_SLEEP_MODE		2
#define ACTIVE_PLL_DISABLED	3
#define FULLON_MODE		4
#define ACTIVE_PLL_ENABLED	5
#define HIBERNATE_MODE		6

#define IOCTL_FULL_ON_MODE	_IO('s', 0xA0)
#define IOCTL_ACTIVE_MODE	_IO('s', 0xA1)
#define IOCTL_SLEEP_MODE	_IO('s', 0xA2)
#define IOCTL_DEEP_SLEEP_MODE	_IO('s', 0xA3)
#define IOCTL_HIBERNATE_MODE	_IO('s', 0xA4)
#define IOCTL_CHANGE_FREQUENCY	_IOW('s', 0xA5, unsigned long)
#define IOCTL_CHANGE_VOLTAGE	_IOW('s', 0xA6, unsigned long)
#define IOCTL_SET_CCLK		_IOW('s', 0xA7, unsigned long)
#define IOCTL_SET_SCLK		_IOW('s', 0xA8, unsigned long)
#define IOCTL_GET_PLLSTATUS	_IOW('s', 0xA9, unsigned long)
#define IOCTL_GET_CORECLOCK	_IOW('s', 0xAA, unsigned long)
#define IOCTL_GET_SYSTEMCLOCK	_IOW('s', 0xAB, unsigned long)
#define IOCTL_GET_VCO		_IOW('s', 0xAC, unsigned long)
#define IOCTL_DISABLE_WDOG_TIMER _IO('s', 0xAD)
#define IOCTL_UNMASK_WDOG_WAKEUP_EVENT _IO('s',0xAE)
#define IOCTL_PROGRAM_WDOG_TIMER _IOW('s',0xAF,unsigned long)
#define IOCTL_CLEAR_WDOG_WAKEUP_EVENT _IO('s',0xB0)
#define IOCTL_SLEEP_DEEPER_MODE _IO('s',0xB1)

#define DPMC_MINOR		254

#define ON	0
#define OFF	1

#ifdef __KERNEL__

unsigned long calc_volt(void);
int calc_vlev(int vlt);
unsigned long change_voltage(unsigned long volt);
int calc_msel(int vco_hz);
unsigned long change_frequency(unsigned long vco_mhz);
int set_pll_div(unsigned short sel, unsigned char flag);
int get_vco(void);
unsigned long change_system_clock(unsigned long clock);
unsigned long change_core_clock(unsigned long clock);
unsigned long get_pll_status(void);
void change_baud(int baud);
void fullon_mode(void);
void active_mode(void);
void sleep_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
void deep_sleep(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
void hibernate_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
void sleep_deeper(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
void program_wdog_timer(unsigned long);
void unmask_wdog_wakeup_evt(void);
void clear_wdog_wakeup_evt(void);
void disable_wdog_timer(void);

extern unsigned long get_cclk(void);
extern unsigned long get_sclk(void);

struct bfin_dpmc_platform_data {
	const unsigned int *tuple_tab;
	unsigned short tabsize;
	unsigned short vr_settling_time; /* in us */
};

#define VRPAIR(vlev, freq) (((vlev) << 16) | ((freq) >> 16))

#endif	/* __KERNEL__ */

#endif	/*_BLACKFIN_DPMC_H_*/