todds1307.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _TODDS1307_H
#define _TODDS1307_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/cyclic.h>
#include <sys/i2c/clients/i2c_client.h>
extern char *v_rtc_addr_reg;
extern volatile uint8_t *v_rtc_data_reg;
#define DS1307_ADDR_REG *(volatile uint8_t *)v_rtc_addr_reg
#define DS1307_DATA_REG *(volatile uint8_t *)v_rtc_data_reg
#define DS1307_NODE_TYPE "ddi_i2c:tod"
struct rtc_t {
uint8_t rtc_sec; /* Seconds[0-60] */
uint8_t rtc_min; /* Minutes[0-60] */
uint8_t rtc_hrs; /* Hours[(1-12)/(0-23)] */
uint8_t rtc_dow; /* Day of week[1-7] */
uint8_t rtc_dom; /* Day of month[(1-28/29/30/31)] */
uint8_t rtc_mon; /* Month[1-12] */
uint8_t rtc_year; /* Year[00-99] */
uint8_t rtc_ctl; /* DS1307 Control register */
};
/*
* Register definitions for RTC driver (DS1307 chip)
*/
#define RTC_SEC 0x00 /* 00h Second */
#define RTC_MIN 0x01 /* 01h Minutes */
#define RTC_HRS 0x02 /* 02h Hours */
#define RTC_DOW 0x03 /* 03h Day-of-week */
#define RTC_DOM 0x04 /* 04h Day-of-month */
#define RTC_MON 0x05 /* 05h Month */
#define RTC_YEAR 0x06 /* 06h Year */
#define RTC_CTL 0x07 /* 07h Control reg. */
/* Oscillator */
#define OSCILLATOR_REG 0x00 /* Oscillator Reg Addr */
#define OSCILLATOR_DISABLE 0x80
/* per instance based */
#define TOD_DETACHED 0x00 /* TOD detached */
#define TOD_ATTACHED 0x01 /* TOD attached */
typedef struct ds1307_state {
i2c_client_hdl_t ds1307_i2c_hdl;
char i2ctod_name[MAXNAMELEN]; /* node name */
kmutex_t i2ctod_mutex; /* protects soft state */
int instance;
dev_info_t *dip;
uint32_t state;
cyclic_id_t cycid;
struct rtc_t rtc;
i2c_transfer_t *i2c_tp;
ddi_softintr_t soft_intr_id;
uint32_t progress;
}ds1307_state_t;
#ifdef __cplusplus
}
#endif
#endif /* _TODDS1307_H */