1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26#ifndef _TODDS1307_H 27#define _TODDS1307_H 28 29#pragma ident "%Z%%M% %I% %E% SMI" 30 31#ifdef __cplusplus 32extern "C" { 33#endif 34 35#include <sys/i2c/clients/i2c_client.h> 36 37extern char *v_rtc_addr_reg; 38extern volatile uint8_t *v_rtc_data_reg; 39 40#define DS1307_ADDR_REG *(volatile uint8_t *)v_rtc_addr_reg 41#define DS1307_DATA_REG *(volatile uint8_t *)v_rtc_data_reg 42#define DS1307_NODE_TYPE "ddi_i2c:tod" 43 44struct rtc_t { 45 uint8_t rtc_sec; /* Seconds[0-60] */ 46 uint8_t rtc_min; /* Minutes[0-60] */ 47 uint8_t rtc_hrs; /* Hours[(1-12)/(0-23)] */ 48 uint8_t rtc_dow; /* Day of week[1-7] */ 49 uint8_t rtc_dom; /* Day of month[(1-28/29/30/31)] */ 50 uint8_t rtc_mon; /* Month[1-12] */ 51 uint8_t rtc_year; /* Year[00-99] */ 52 uint8_t rtc_ctl; /* DS1307 Control register */ 53}; 54 55 56/* 57 * Register definitions for RTC driver (DS1307 chip) 58 */ 59 60#define RTC_SEC 0x00 /* 00h Second */ 61#define RTC_MIN 0x01 /* 01h Minutes */ 62#define RTC_HRS 0x02 /* 02h Hours */ 63#define RTC_DOW 0x03 /* 03h Day-of-week */ 64#define RTC_DOM 0x04 /* 04h Day-of-month */ 65#define RTC_MON 0x05 /* 05h Month */ 66#define RTC_YEAR 0x06 /* 06h Year */ 67#define RTC_CTL 0x07 /* 07h Control reg. */ 68 69/* Oscillator */ 70 71#define OSCILLATOR_REG 0x00 /* Oscillator Reg Addr */ 72#define OSCILLATOR_DISABLE 0x80 73 74/* per instance based */ 75 76#define TOD_DETACHED 0x00 /* TOD detached */ 77#define TOD_ATTACHED 0x01 /* TOD attached */ 78 79typedef struct ds1307_state { 80 i2c_client_hdl_t ds1307_i2c_hdl; 81 char i2ctod_name[MAXNAMELEN]; /* node name */ 82 kmutex_t i2ctod_mutex; /* protects soft state */ 83 int instance; 84 dev_info_t *dip; 85 uint32_t state; 86 ddi_periodic_t cycid; /* periodical callback */ 87 struct rtc_t rtc; 88 i2c_transfer_t *i2c_tp; 89 ddi_softintr_t soft_intr_id; 90 uint32_t progress; 91}ds1307_state_t; 92 93#ifdef __cplusplus 94} 95#endif 96 97#endif /* _TODDS1307_H */ 98