diff options
Diffstat (limited to 'chip/it83xx/hwtimer_chip.h')
| -rw-r--r-- | chip/it83xx/hwtimer_chip.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/chip/it83xx/hwtimer_chip.h b/chip/it83xx/hwtimer_chip.h index 9217545c5b..690505dcb1 100644 --- a/chip/it83xx/hwtimer_chip.h +++ b/chip/it83xx/hwtimer_chip.h @@ -8,7 +8,11 @@ #ifndef __CROS_EC_HWTIMER_CHIP_H #define __CROS_EC_HWTIMER_CHIP_H +#define FREE_EXT_TIMER_L EXT_TIMER_3 +#define FREE_EXT_TIMER_H EXT_TIMER_4 #define FAN_CTRL_EXT_TIMER EXT_TIMER_5 +#define EVENT_EXT_TIMER EXT_TIMER_6 +#define WDT_EXT_TIMER EXT_TIMER_7 enum ext_timer_clock_source { EXT_PSR_32P768K_HZ = 0, @@ -17,16 +21,19 @@ enum ext_timer_clock_source { EXT_PSR_8M_HZ = 3 }; +/* + * 24-bit timers: external timer 3, 5, and 7 + * 32-bit timers: external timer 4, 6, and 8 + */ enum ext_timer_sel { - /* For WDT capture important state information before being reset */ + /* timer 3 and 4 combine mode for free running timer */ EXT_TIMER_3 = 0, - /* reserved */ EXT_TIMER_4, /* For fan control */ EXT_TIMER_5, - /* reserved */ + /* timer 6 for event timer */ EXT_TIMER_6, - /* reserved */ + /* For WDT capture important state information before being reset */ EXT_TIMER_7, /* reserved */ EXT_TIMER_8, @@ -44,11 +51,18 @@ extern const struct ext_timer_ctrl_t et_ctrl_regs[]; void ext_timer_start(enum ext_timer_sel ext_timer, int en_irq); void ext_timer_stop(enum ext_timer_sel ext_timer, int dis_irq); void fan_ext_timer_interrupt(void); +void update_exc_start_time(void); +/** + * Config a external timer. + * + * @param raw (!=0) timer count equal to param "ms" no conversion. + */ int ext_timer_ms(enum ext_timer_sel ext_timer, enum ext_timer_clock_source ext_timer_clock, int start, int et_int, int32_t ms, - int first_time_enable); + int first_time_enable, + int raw); #endif /* __CROS_EC_HWTIMER_CHIP_H */ |