NetBSD/sys/dev/i2c/x1226reg.h

102 lines
3.6 KiB
C

/* $NetBSD: x1226reg.h,v 1.1 2003/10/06 18:02:02 shige Exp $ */
/*
* Copyright (c) 2003 Shigeyuki Fukushima.
* All rights reserved.
*
* Written by Shigeyuki Fukushima for the NetBSD project.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Shigeyuki Fukushima.
* 4. The name of Shigeyuki Fukushima may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY SHIGEYUKI FUKUSHIMA ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SHIGEYUKI FUKUSHIMA
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Xicor X1226 RTC registers
*/
#ifndef _DEV_I2C_X1226REG_H_
#define _DEV_I2C_X1226REG_H_
/*
* Xicor X1226 RTC I2C Address:
*
* 110 1111
*/
#define X1226_ADDRMASK 0x7f
#define X1226_ADDR 0x6f
/* XICOR X1226 Device Identifier */
#define X1226_DEVID_CCR 0x6f
#define X1226_DEVID_EEPROM 0x57
/* Watchdog RTC registers */
#define X1226_REG_Y2K 0x37 /* bcd century (19/20) */
#define X1226_REG_DW 0x36 /* bcd ay of week (0-6) */
#define X1226_REG_YR 0x35 /* bcd year (0-99) */
#define X1226_REG_MO 0x34 /* bcd onth (1-12) */
#define X1226_REG_DT 0x33 /* bcd ay (1-31) */
#define X1226_REG_HR 0x32 /* bcd our (0-23) */
#define X1226_REG_MN 0x31 /* bcd inute (0-59) */
#define X1226_REG_SC 0x30 /* bcd econd (0-59) */
#define X1226_REG_RTC_BASE 0x30
#define X1226_REG_RTC_SIZE (X1226_REG_Y2K - X1226_REG_RTC_BASE)
/* Watchdog RTC registers mask */
#define X1226_REG_Y2K_MASK 0x39
#define X1226_REG_DW_MASK 0x07
#define X1226_REG_YR_MASK 0xff
#define X1226_REG_MO_MASK 0x1f
#define X1226_REG_DT_MASK 0x3f
#define X1226_REG_HR12_MASK 0x1f
#define X1226_REG_HR24_MASK 0x3f
#define X1226_REG_MN_MASK 0x7f
#define X1226_REG_SC_MASK 0x7f
#define X1226_REG_SR 0x3f
#define X1226_CTRL_DTR 0x13
#define X1226_CTRL_ATR 0x12
#define X1226_CTRL_INT 0x11
#define X1226_CTRL_BL 0x10
/* NVRAM size (512 x 8 bit) */
#define X1226_NVRAM_START 0x0040
#define X1226_NVRAM_END 0x00FF
#define X1226_NVRAM_SIZE ((X1226_NVRAM_END - X1226_NVRAM_START) + 1)
/* XICOR X1226 RTC flags */
#define X1226_FLAG_SR_RTCF 0x01
#define X1226_FLAG_SR_WEL 0x02
#define X1226_FLAG_SR_RWEL 0x04
#define X1226_FLAG_SR_AL0 0x20
#define X1226_FLAG_SR_AL1 0x40
#define X1226_FLAG_SR_BAT 0x80
#define X1226_FLAG_HR_12HPM 0x20
#define X1226_FLAG_HR_24H 0x80
#endif /* _DEV_I2C_X1226REG_H_ */