diff options
Diffstat (limited to 'src/kernel/ao.h')
| -rw-r--r-- | src/kernel/ao.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/kernel/ao.h b/src/kernel/ao.h index 59a469ae..6ed0299e 100644 --- a/src/kernel/ao.h +++ b/src/kernel/ao.h @@ -124,6 +124,16 @@ ao_timer_init(void); void ao_clock_init(void); +#if AO_POWER_MANAGEMENT +/* Go to low power clock */ +void +ao_clock_suspend(void); + +/* Restart full-speed clock */ +void +ao_clock_resume(void); +#endif + /* * ao_mutex.c */ @@ -810,6 +820,8 @@ struct ao_fifo { } while(0) #define ao_fifo_full(f) ((((f).insert + 1) & (AO_FIFO_SIZE-1)) == (f).remove) +#define ao_fifo_mostly(f) ((((f).insert - (f).remove) & (AO_FIFO_SIZE-1)) >= (AO_FIFO_SIZE * 3 / 4)) +#define ao_fifo_barely(f) ((((f).insert - (f).remove) & (AO_FIFO_SIZE-1)) >= (AO_FIFO_SIZE * 1 / 4)) #define ao_fifo_empty(f) ((f).insert == (f).remove) #if PACKET_HAS_MASTER || PACKET_HAS_SLAVE |