linux/include/asm-blackfin/dpmc.h
Michael Hennerich 1efc80b53e Blackfin arch: Functional power management support
Enable: PM_SUSPEND_MEM -> Blackfin Hibernate to SDRAM
This feature requires a special bootloader (u-boot)
supporting return from hibernate.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-07-19 16:57:32 +08:00

59 lines
1.3 KiB
C

/*
* 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_
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
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 do_hibernate(int wakeup);
void set_dram_srfs(void);
void unset_dram_srfs(void);
#define VRPAIR(vlev, freq) (((vlev) << 16) | ((freq) >> 16))
struct bfin_dpmc_platform_data {
const unsigned int *tuple_tab;
unsigned short tabsize;
unsigned short vr_settling_time; /* in us */
};
#else
#define PM_PUSH(x) \
R0 = [P0 + (x - SRAM_BASE_ADDRESS)];\
[--SP] = R0;\
#define PM_POP(x) \
R0 = [SP++];\
[P0 + (x - SRAM_BASE_ADDRESS)] = R0;\
#define PM_SYS_PUSH(x) \
R0 = [P0 + (x - PLL_CTL)];\
[--SP] = R0;\
#define PM_SYS_POP(x) \
R0 = [SP++];\
[P0 + (x - PLL_CTL)] = R0;\
#define PM_SYS_PUSH16(x) \
R0 = w[P0 + (x - PLL_CTL)];\
[--SP] = R0;\
#define PM_SYS_POP16(x) \
R0 = [SP++];\
w[P0 + (x - PLL_CTL)] = R0;\
#endif
#endif /* __KERNEL__ */
#endif /*_BLACKFIN_DPMC_H_*/