xref: /netbsd/sys/dev/i2c/x1226reg.h (revision 6550d01e)
1 /*	$NetBSD: x1226reg.h,v 1.3 2005/12/11 12:21:23 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 2003 Shigeyuki Fukushima.
5  * All rights reserved.
6  *
7  * Written by Shigeyuki Fukushima for the NetBSD project.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *      This product includes software developed for the NetBSD Project by
20  *      Shigeyuki Fukushima.
21  * 4. The name of Shigeyuki Fukushima may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY SHIGEYUKI FUKUSHIMA ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL SHIGEYUKI FUKUSHIMA
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 /*
39  * Xicor X1226 RTC registers
40  */
41 
42 #ifndef _DEV_I2C_X1226REG_H_
43 #define _DEV_I2C_X1226REG_H_
44 
45 /*
46  * Xicor X1226 RTC I2C Address:
47  *
48  *	110 1111
49  */
50 #define	X1226_ADDRMASK		0x7f
51 #define	X1226_ADDR		0x6f
52 
53 /* XICOR X1226 Device Identifier */
54 #define X1226_DEVID_CCR		0x6f
55 #define X1226_DEVID_EEPROM	0x57
56 
57 /* Watchdog RTC registers */
58 #define	X1226_REG_Y2K		0x37	/* bcd century (19/20) */
59 #define	X1226_REG_DW		0x36	/* bcd ay of week (0-6) */
60 #define	X1226_REG_YR		0x35	/* bcd year (0-99) */
61 #define	X1226_REG_MO		0x34	/* bcd onth (1-12) */
62 #define	X1226_REG_DT		0x33	/* bcd ay (1-31) */
63 #define	X1226_REG_HR		0x32	/* bcd our (0-23) */
64 #define	X1226_REG_MN		0x31	/* bcd inute (0-59) */
65 #define	X1226_REG_SC		0x30	/* bcd econd (0-59) */
66 #define	X1226_REG_RTC_BASE	0x30
67 #define	X1226_REG_RTC_SIZE	((X1226_REG_Y2K - X1226_REG_RTC_BASE) + 1)
68 /* Watchdog RTC registers mask */
69 #define	X1226_REG_Y2K_MASK	0x39
70 #define	X1226_REG_DW_MASK	0x07
71 #define	X1226_REG_YR_MASK	0xff
72 #define	X1226_REG_MO_MASK	0x1f
73 #define	X1226_REG_DT_MASK	0x3f
74 #define	X1226_REG_HR12_MASK	0x1f
75 #define	X1226_REG_HR24_MASK	0x3f
76 #define	X1226_REG_MN_MASK	0x7f
77 #define	X1226_REG_SC_MASK	0x7f
78 
79 #define	X1226_REG_SR		0x3f
80 #define	X1226_CTRL_DTR		0x13
81 #define	X1226_CTRL_ATR		0x12
82 #define	X1226_CTRL_INT		0x11
83 #define	X1226_CTRL_BL		0x10
84 
85 /* NVRAM size (512 x 8 bit) */
86 #define X1226_NVRAM_START	0x0040
87 #define X1226_NVRAM_END		0x00FF
88 #define X1226_NVRAM_SIZE	((X1226_NVRAM_END - X1226_NVRAM_START) + 1)
89 
90 /* XICOR X1226 RTC flags */
91 #define X1226_FLAG_SR_RTCF	0x01
92 #define X1226_FLAG_SR_WEL	0x02
93 #define X1226_FLAG_SR_RWEL	0x04
94 #define X1226_FLAG_SR_AL0	0x20
95 #define X1226_FLAG_SR_AL1	0x40
96 #define X1226_FLAG_SR_BAT	0x80
97 #define X1226_FLAG_HR_12HPM	0x20
98 #define X1226_FLAG_HR_24H	0x80
99 
100 
101 #endif /* _DEV_I2C_X1226REG_H_ */
102