2 * include/asm-blackfin/dpmc.h - Miscellaneous IOCTL commands for Dynamic Power
3 * Management Controller Driver.
4 * Copyright (C) 2004-2008 Analog Device Inc.
7 #ifndef _BLACKFIN_DPMC_H_
8 #define _BLACKFIN_DPMC_H_
11 #define DEEP_SLEEP_MODE 2
12 #define ACTIVE_PLL_DISABLED 3
14 #define ACTIVE_PLL_ENABLED 5
15 #define HIBERNATE_MODE 6
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)
36 #define DPMC_MINOR 254
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);
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);
65 extern unsigned long get_cclk(void);
66 extern unsigned long get_sclk(void);
68 struct bfin_dpmc_platform_data {
69 const unsigned int *tuple_tab;
70 unsigned short tabsize;
71 unsigned short vr_settling_time; /* in us */
74 #define VRPAIR(vlev, freq) (((vlev) << 16) | ((freq) >> 16))
76 #endif /* __KERNEL__ */
78 #endif /*_BLACKFIN_DPMC_H_*/