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Ralf Baechle
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Nov 17, 2005
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refs/heads/master: bdc3c3c7cbc3e1244c03640b4b372d097a1dacf3 | ||
refs/heads/master: 443bf3292f04c53e92bf0588f1aa2c9b421545e2 |
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/* | ||
* ds17287rtc.h - register definitions for the ds1728[57] RTC / CMOS RAM | ||
* | ||
* This file is subject to the terms and conditions of the GNU General Public | ||
* License. See the file "COPYING" in the main directory of this archive | ||
* for more details. | ||
* | ||
* (C) 2003 Guido Guenther <agx@sigxcpu.org> | ||
*/ | ||
#ifndef __LINUX_DS17287RTC_H | ||
#define __LINUX_DS17287RTC_H | ||
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#include <linux/rtc.h> /* get the user-level API */ | ||
#include <linux/spinlock.h> /* spinlock_t */ | ||
#include <linux/mc146818rtc.h> | ||
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/* Register A */ | ||
#define DS_REGA_DV2 0x40 /* countdown chain */ | ||
#define DS_REGA_DV1 0x20 /* oscillator enable */ | ||
#define DS_REGA_DV0 0x10 /* bank select */ | ||
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/* bank 1 registers */ | ||
#define DS_B1_MODEL 0x40 /* model number byte */ | ||
#define DS_B1_SN1 0x41 /* serial number byte 1 */ | ||
#define DS_B1_SN2 0x42 /* serial number byte 2 */ | ||
#define DS_B1_SN3 0x43 /* serial number byte 3 */ | ||
#define DS_B1_SN4 0x44 /* serial number byte 4 */ | ||
#define DS_B1_SN5 0x45 /* serial number byte 5 */ | ||
#define DS_B1_SN6 0x46 /* serial number byte 6 */ | ||
#define DS_B1_CRC 0x47 /* CRC byte */ | ||
#define DS_B1_CENTURY 0x48 /* Century byte */ | ||
#define DS_B1_DALARM 0x49 /* date alarm */ | ||
#define DS_B1_XCTRL4A 0x4a /* extendec control register 4a */ | ||
#define DS_B1_XCTRL4B 0x4b /* extendec control register 4b */ | ||
#define DS_B1_RTCADDR2 0x4e /* rtc address 2 */ | ||
#define DS_B1_RTCADDR3 0x4f /* rtc address 3 */ | ||
#define DS_B1_RAMLSB 0x50 /* extended ram LSB */ | ||
#define DS_B1_RAMMSB 0x51 /* extended ram MSB */ | ||
#define DS_B1_RAMDPORT 0x53 /* extended ram data port */ | ||
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/* register details */ | ||
/* extended control register 4a */ | ||
#define DS_XCTRL4A_VRT2 0x80 /* valid ram and time */ | ||
#define DS_XCTRL4A_INCR 0x40 /* increment progress status */ | ||
#define DS_XCTRL4A_BME 0x20 /* burst mode enable */ | ||
#define DS_XCTRL4A_PAB 0x08 /* power active bar ctrl */ | ||
#define DS_XCTRL4A_RF 0x04 /* ram clear flag */ | ||
#define DS_XCTRL4A_WF 0x02 /* wake up alarm flag */ | ||
#define DS_XCTRL4A_KF 0x01 /* kickstart flag */ | ||
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/* interrupt causes */ | ||
#define DS_XCTRL4A_IFS (DS_XCTRL4A_RF|DS_XCTRL4A_WF|DS_XCTRL4A_KF) | ||
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/* extended control register 4b */ | ||
#define DS_XCTRL4B_ABE 0x80 /* auxiliary battery enable */ | ||
#define DS_XCTRL4B_E32K 0x40 /* enable 32.768 kHz Output */ | ||
#define DS_XCTRL4B_CS 0x20 /* crystal select */ | ||
#define DS_XCTRL4B_RCE 0x10 /* ram clear enable */ | ||
#define DS_XCTRL4B_PRS 0x08 /* PAB resec select */ | ||
#define DS_XCTRL4B_RIE 0x04 /* ram clear interrupt enable */ | ||
#define DS_XCTRL4B_WFE 0x02 /* wake up alarm interrupt enable */ | ||
#define DS_XCTRL4B_KFE 0x01 /* kickstart interrupt enable */ | ||
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/* interrupt enable bits */ | ||
#define DS_XCTRL4B_IFES (DS_XCTRL4B_RIE|DS_XCTRL4B_WFE|DS_XCTRL4B_KFE) | ||
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#endif /* __LINUX_DS17287RTC_H */ |