Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/*
2 * linux/drivers/i2c/chips/rtc8564.h
3 *
4 * Copyright (C) 2002-2004 Stefan Eletzhofer
5 *
6 * based on linux/drivers/acron/char/pcf8583.h
7 * Copyright (C) 2000 Russell King
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13struct rtc_tm {
14 unsigned char secs;
15 unsigned char mins;
16 unsigned char hours;
17 unsigned char mday;
18 unsigned char mon;
19 unsigned short year; /* xxxx 4 digits :) */
20 unsigned char wday;
21 unsigned char vl;
22};
23
24struct mem {
25 unsigned int loc;
26 unsigned int nr;
27 unsigned char *data;
28};
29
30#define RTC_GETDATETIME 0
31#define RTC_SETTIME 1
32#define RTC_SETDATETIME 2
33#define RTC_GETCTRL 3
34#define RTC_SETCTRL 4
35#define MEM_READ 5
36#define MEM_WRITE 6
37
38#define RTC8564_REG_CTRL1 0x0 /* T 0 S 0 | T 0 0 0 */
39#define RTC8564_REG_CTRL2 0x1 /* 0 0 0 TI/TP | AF TF AIE TIE */
40#define RTC8564_REG_SEC 0x2 /* VL 4 2 1 | 8 4 2 1 */
41#define RTC8564_REG_MIN 0x3 /* x 4 2 1 | 8 4 2 1 */
42#define RTC8564_REG_HR 0x4 /* x x 2 1 | 8 4 2 1 */
43#define RTC8564_REG_DAY 0x5 /* x x 2 1 | 8 4 2 1 */
44#define RTC8564_REG_WDAY 0x6 /* x x x x | x 4 2 1 */
45#define RTC8564_REG_MON_CENT 0x7 /* C x x 1 | 8 4 2 1 */
46#define RTC8564_REG_YEAR 0x8 /* 8 4 2 1 | 8 4 2 1 */
47#define RTC8564_REG_AL_MIN 0x9 /* AE 4 2 1 | 8 4 2 1 */
48#define RTC8564_REG_AL_HR 0xa /* AE 4 2 1 | 8 4 2 1 */
49#define RTC8564_REG_AL_DAY 0xb /* AE x 2 1 | 8 4 2 1 */
50#define RTC8564_REG_AL_WDAY 0xc /* AE x x x | x 4 2 1 */
51#define RTC8564_REG_CLKOUT 0xd /* FE x x x | x x FD1 FD0 */
52#define RTC8564_REG_TCTL 0xe /* TE x x x | x x FD1 FD0 */
53#define RTC8564_REG_TIMER 0xf /* 8 bit binary */
54
55/* Control reg */
56#define RTC8564_CTRL1_TEST1 (1<<3)
57#define RTC8564_CTRL1_STOP (1<<5)
58#define RTC8564_CTRL1_TEST2 (1<<7)
59
60#define RTC8564_CTRL2_TIE (1<<0)
61#define RTC8564_CTRL2_AIE (1<<1)
62#define RTC8564_CTRL2_TF (1<<2)
63#define RTC8564_CTRL2_AF (1<<3)
64#define RTC8564_CTRL2_TI_TP (1<<4)
65
66/* CLKOUT frequencies */
67#define RTC8564_FD_32768HZ (0x0)
68#define RTC8564_FD_1024HZ (0x1)
69#define RTC8564_FD_32 (0x2)
70#define RTC8564_FD_1HZ (0x3)
71
72/* Timer CTRL */
73#define RTC8564_TD_4096HZ (0x0)
74#define RTC8564_TD_64HZ (0x1)
75#define RTC8564_TD_1HZ (0x2)
76#define RTC8564_TD_1_60HZ (0x3)
77
78#define I2C_DRIVERID_RTC8564 0xf000