Home Explore Help
Register Sign In
phyus
/
linux-vybrid_public
8
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Tree: 3883cbb6c1
Branches Tags
linux-vybrid_pu...
/
arch
/
arm
/
include
/
asm
/
psci.h

psci.h 1.2 KB
History Raw

123456789101112131415161718192021222324252627282930313233343536373839404142434445 
  1. /*
    2. 

  2.  * This program is free software; you can redistribute it and/or modify
    3. 

  3.  * it under the terms of the GNU General Public License version 2 as
    4. 

  4.  * published by the Free Software Foundation.
    5. 

  5.  *
    6. 

  6.  * This program is distributed in the hope that it will be useful,
    7. 

  7.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    8. 

  8.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    9. 

  9.  * GNU General Public License for more details.
    10. 

  10.  *
    11. 

  11.  * Copyright (C) 2012 ARM Limited
    12. 

  12.  */
    13. 

  13. 

  14. #ifndef __ASM_ARM_PSCI_H
    15. 

  15. #define __ASM_ARM_PSCI_H
    16. 

  16. 

  17. #define PSCI_POWER_STATE_TYPE_STANDBY		0
    18. 

  18. #define PSCI_POWER_STATE_TYPE_POWER_DOWN	1
    19. 

  19. 

  20. struct psci_power_state {
    21. 

  21. 	u16	id;
    22. 

  22. 	u8	type;
    23. 

  23. 	u8	affinity_level;
    24. 

  24. };
    25. 

  25. 

  26. struct psci_operations {
    27. 

  27. 	int (*cpu_suspend)(struct psci_power_state state,
    28. 

  28. 			   unsigned long entry_point);
    29. 

  29. 	int (*cpu_off)(struct psci_power_state state);
    30. 

  30. 	int (*cpu_on)(unsigned long cpuid, unsigned long entry_point);
    31. 

  31. 	int (*migrate)(unsigned long cpuid);
    32. 

  32. };
    33. 

  33. 

  34. extern struct psci_operations psci_ops;
    35. 

  35. extern struct smp_operations psci_smp_ops;
    36. 

  36. 

  37. #ifdef CONFIG_ARM_PSCI
    38. 

  38. void psci_init(void);
    39. 

  39. bool psci_smp_available(void);
    40. 

  40. #else
    41. 

  41. static inline void psci_init(void) { }
    42. 

  42. static inline bool psci_smp_available(void) { return false; }
    43. 

  43. #endif
    44. 

  44. 

  45. #endif /* __ASM_ARM_PSCI_H */
    46.