http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/rtc.h

/* * Generic RTC interface. * This version contains the part of the user interface to the Real Time Clock * service. It is used with both the legacy mc146818 and also EFI * Struct rtc_time and first 12 ioctl by Paul Gortmaker, 1996 - separated out * from <linux/mc146818rtc.h> to this file for 2.4 kernels. * * Copyright (C) 1999 Hewlett-Packard Co. * Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com> */ #ifndef _LINUX_RTC_H_ #define _LINUX_RTC_H_ #ifdef __KERNEL__ #include <linux/interrupt.h> #endif /* * 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 disable, 1 = alarm disabled */ unsigned char pending; /* 0 = alarm pending, 1 = alarm not 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 */ #ifdef __KERNEL__ typedef struct rtc_task { void (*func)(void *private_data); void *private_data; } rtc_task_t; int rtc_register(rtc_task_t *task); int rtc_unregister(rtc_task_t *task); int rtc_control(rtc_task_t *t, unsigned int cmd, unsigned long arg); void rtc_get_rtc_time(struct rtc_time *rtc_tm); irqreturn_t rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs); #endif /* __KERNEL__ */ #endif /* _LINUX_RTC_H_ */