projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #include <linux/suspend.h> |
| 2 | #include <linux/utsname.h> | |
| 3 | ||
| 8686bcd0 | 4 | /* With SUSPEND_CONSOLE defined suspend looks *really* cool, but |
| 1da177e4 LT |
5 | we probably do not take enough locks for switching consoles, etc, |
| 6 | so bad things might happen. | |
| 7 | */ | |
| 8 | #if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) | |
| 9 | #define SUSPEND_CONSOLE (MAX_NR_CONSOLES-1) | |
| 10 | #endif | |
| 11 | ||
| 1da177e4 LT |
12 | struct swsusp_info { |
| 13 | struct new_utsname uts; | |
| 14 | u32 version_code; | |
| 15 | unsigned long num_physpages; | |
| 16 | int cpus; | |
| 17 | unsigned long image_pages; | |
| 7088a5c0 | 18 | unsigned long pages; |
| 1da177e4 LT |
19 | } __attribute__((aligned(PAGE_SIZE))); |
| 20 | ||
| 21 | ||
| 22 | ||
| 23 | #ifdef CONFIG_SOFTWARE_SUSPEND | |
| 24 | extern int pm_suspend_disk(void); | |
| 25 | ||
| 26 | #else | |
| 27 | static inline int pm_suspend_disk(void) | |
| 28 | { | |
| 29 | return -EPERM; | |
| 30 | } | |
| 31 | #endif | |
| 32 | extern struct semaphore pm_sem; | |
| 33 | #define power_attr(_name) \ | |
| 34 | static struct subsys_attribute _name##_attr = { \ | |
| 35 | .attr = { \ | |
| 36 | .name = __stringify(_name), \ | |
| 37 | .mode = 0644, \ | |
| 38 | }, \ | |
| 39 | .show = _name##_show, \ | |
| 40 | .store = _name##_store, \ | |
| 41 | } | |
| 42 | ||
| 43 | extern struct subsystem power_subsys; | |
| 44 | ||
| 1da177e4 LT |
45 | extern int pm_prepare_console(void); |
| 46 | extern void pm_restore_console(void); | |
| 25761b6e | 47 | |
| 25761b6e RW |
48 | /* References to section boundaries */ |
| 49 | extern const void __nosave_begin, __nosave_end; | |
| 50 | ||
| 51 | extern unsigned int nr_copy_pages; | |
| 72a97e08 RW |
52 | extern struct pbe *pagedir_nosave; |
| 53 | ||
| ca0aec0f RW |
54 | /* Preferred image size in MB (default 500) */ |
| 55 | extern unsigned int image_size; | |
| 25761b6e RW |
56 | |
| 57 | extern asmlinkage int swsusp_arch_suspend(void); | |
| 58 | extern asmlinkage int swsusp_arch_resume(void); | |
| 59 | ||
| 72a97e08 | 60 | extern unsigned int count_data_pages(void); |
| ed14b527 | 61 | extern void free_pagedir(struct pbe *pblist); |
| 72a97e08 | 62 | extern void release_eaten_pages(void); |
| 054bd4c1 | 63 | extern struct pbe *alloc_pagedir(unsigned nr_pages, gfp_t gfp_mask, int safe_needed); |
| 2c1b4a5c | 64 | extern void swsusp_free(void); |
| 054bd4c1 | 65 | extern int alloc_data_pages(struct pbe *pblist, gfp_t gfp_mask, int safe_needed); |
| 7088a5c0 RW |
66 | extern unsigned int snapshot_nr_pages(void); |
| 67 | extern struct pbe *snapshot_pblist(void); | |
| 68 | extern void snapshot_pblist_set(struct pbe *pblist); |