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 32 extern "C" { 33 #endif 34 35 #include <sys/i2c/clients/i2c_client.h> 36 37 extern char *v_rtc_addr_reg; 38 extern 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 44 struct 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 79 typedef 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 */