diff options
Diffstat (limited to 'include/linux/rtc.h')
| -rw-r--r-- | include/linux/rtc.h | 98 |
1 files changed, 2 insertions, 96 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h index f071b3922c6..9531845c419 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -11,102 +11,10 @@ #ifndef _LINUX_RTC_H_ #define _LINUX_RTC_H_ -/* - * The struct used to pass data via the following ioctl. Similar to the - * struct tm in <time.h>, but it needs to be here so that the kernel - * source is self contained, allowing cross-compiles, etc. etc. - */ - -struct rtc_time { - int tm_sec; - int tm_min; - int tm_hour; - int tm_mday; - int tm_mon; - int tm_year; - int tm_wday; - int tm_yday; - int tm_isdst; -}; - -/* - * This data structure is inspired by the EFI (v0.92) wakeup - * alarm API. - */ -struct rtc_wkalrm { - unsigned char enabled; /* 0 = alarm disabled, 1 = alarm enabled */ - unsigned char pending; /* 0 = alarm not pending, 1 = alarm pending */ - struct rtc_time time; /* time the alarm is set to */ -}; - -/* - * Data structure to control PLL correction some better RTC feature - * pll_value is used to get or set current value of correction, - * the rest of the struct is used to query HW capabilities. - * This is modeled after the RTC used in Q40/Q60 computers but - * should be sufficiently flexible for other devices - * - * +ve pll_value means clock will run faster by - * pll_value*pll_posmult/pll_clock - * -ve pll_value means clock will run slower by - * pll_value*pll_negmult/pll_clock - */ - -struct rtc_pll_info { - int pll_ctrl; /* placeholder for fancier control */ - int pll_value; /* get/set correction value */ - int pll_max; /* max +ve (faster) adjustment value */ - int pll_min; /* max -ve (slower) adjustment value */ - int pll_posmult; /* factor for +ve correction */ - int pll_negmult; /* factor for -ve correction */ - long pll_clock; /* base PLL frequency */ -}; - -/* - * ioctl calls that are permitted to the /dev/rtc interface, if - * any of the RTC drivers are enabled. - */ - -#define RTC_AIE_ON _IO('p', 0x01) /* Alarm int. enable on */ -#define RTC_AIE_OFF _IO('p', 0x02) /* ... off */ -#define RTC_UIE_ON _IO('p', 0x03) /* Update int. enable on */ -#define RTC_UIE_OFF _IO('p', 0x04) /* ... off */ -#define RTC_PIE_ON _IO('p', 0x05) /* Periodic int. enable on */ -#define RTC_PIE_OFF _IO('p', 0x06) /* ... off */ -#define RTC_WIE_ON _IO('p', 0x0f) /* Watchdog int. enable on */ -#define RTC_WIE_OFF _IO('p', 0x10) /* ... off */ - -#define RTC_ALM_SET _IOW('p', 0x07, struct rtc_time) /* Set alarm time */ -#define RTC_ALM_READ _IOR('p', 0x08, struct rtc_time) /* Read alarm time */ -#define RTC_RD_TIME _IOR('p', 0x09, struct rtc_time) /* Read RTC time */ -#define RTC_SET_TIME _IOW('p', 0x0a, struct rtc_time) /* Set RTC time */ -#define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long) /* Read IRQ rate */ -#define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long) /* Set IRQ rate */ -#define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long) /* Read epoch */ -#define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long) /* Set epoch */ - -#define RTC_WKALM_SET _IOW('p', 0x0f, struct rtc_wkalrm)/* Set wakeup alarm*/ -#define RTC_WKALM_RD _IOR('p', 0x10, struct rtc_wkalrm)/* Get wakeup alarm*/ - -#define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info) /* Get PLL correction */ -#define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info) /* Set PLL correction */ - -#define RTC_VL_READ _IOR('p', 0x13, int) /* Voltage low detector */ -#define RTC_VL_CLR _IO('p', 0x14) /* Clear voltage low information */ - -/* interrupt flags */ -#define RTC_IRQF 0x80 /* Any of the following is active */ -#define RTC_PF 0x40 /* Periodic interrupt */ -#define RTC_AF 0x20 /* Alarm interrupt */ -#define RTC_UF 0x10 /* Update interrupt for 1Hz RTC */ - - -#define RTC_MAX_FREQ 8192 - -#ifdef __KERNEL__ #include <linux/types.h> #include <linux/interrupt.h> +#include <uapi/linux/rtc.h> extern int rtc_month_days(unsigned int month, unsigned int year); extern int rtc_year_days(unsigned int day, unsigned int month, unsigned int year); @@ -276,12 +184,10 @@ static inline bool is_leap_year(unsigned int year) return (!(year % 4) && (year % 100)) || !(year % 400); } -#ifdef CONFIG_RTC_HCTOSYS +#ifdef CONFIG_RTC_HCTOSYS_DEVICE extern int rtc_hctosys_ret; #else #define rtc_hctosys_ret -ENODEV #endif -#endif /* __KERNEL__ */ - #endif /* _LINUX_RTC_H_ */ |