1/* rtc.h
2 *
3 * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd
4 *              http://www.samsung.com
5 *
6 * This program is free software; you can redistribute  it and/or modify it
7 * under  the terms of  the GNU General  Public License as published by the
8 * Free Software Foundation;  either version 2 of the  License, or (at your
9 * option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 */
17
18#ifndef __LINUX_MFD_SEC_RTC_H
19#define __LINUX_MFD_SEC_RTC_H
20
21enum s5m_rtc_reg {
22	S5M_RTC_SEC,
23	S5M_RTC_MIN,
24	S5M_RTC_HOUR,
25	S5M_RTC_WEEKDAY,
26	S5M_RTC_DATE,
27	S5M_RTC_MONTH,
28	S5M_RTC_YEAR1,
29	S5M_RTC_YEAR2,
30	S5M_ALARM0_SEC,
31	S5M_ALARM0_MIN,
32	S5M_ALARM0_HOUR,
33	S5M_ALARM0_WEEKDAY,
34	S5M_ALARM0_DATE,
35	S5M_ALARM0_MONTH,
36	S5M_ALARM0_YEAR1,
37	S5M_ALARM0_YEAR2,
38	S5M_ALARM1_SEC,
39	S5M_ALARM1_MIN,
40	S5M_ALARM1_HOUR,
41	S5M_ALARM1_WEEKDAY,
42	S5M_ALARM1_DATE,
43	S5M_ALARM1_MONTH,
44	S5M_ALARM1_YEAR1,
45	S5M_ALARM1_YEAR2,
46	S5M_ALARM0_CONF,
47	S5M_ALARM1_CONF,
48	S5M_RTC_STATUS,
49	S5M_WTSR_SMPL_CNTL,
50	S5M_RTC_UDR_CON,
51
52	S5M_RTC_REG_MAX,
53};
54
55enum s2mps_rtc_reg {
56	S2MPS_RTC_CTRL,
57	S2MPS_WTSR_SMPL_CNTL,
58	S2MPS_RTC_UDR_CON,
59	S2MPS_RSVD,
60	S2MPS_RTC_SEC,
61	S2MPS_RTC_MIN,
62	S2MPS_RTC_HOUR,
63	S2MPS_RTC_WEEKDAY,
64	S2MPS_RTC_DATE,
65	S2MPS_RTC_MONTH,
66	S2MPS_RTC_YEAR,
67	S2MPS_ALARM0_SEC,
68	S2MPS_ALARM0_MIN,
69	S2MPS_ALARM0_HOUR,
70	S2MPS_ALARM0_WEEKDAY,
71	S2MPS_ALARM0_DATE,
72	S2MPS_ALARM0_MONTH,
73	S2MPS_ALARM0_YEAR,
74	S2MPS_ALARM1_SEC,
75	S2MPS_ALARM1_MIN,
76	S2MPS_ALARM1_HOUR,
77	S2MPS_ALARM1_WEEKDAY,
78	S2MPS_ALARM1_DATE,
79	S2MPS_ALARM1_MONTH,
80	S2MPS_ALARM1_YEAR,
81	S2MPS_OFFSRC,
82
83	S2MPS_RTC_REG_MAX,
84};
85
86#define RTC_I2C_ADDR		(0x0C >> 1)
87
88#define HOUR_12			(1 << 7)
89#define HOUR_AMPM		(1 << 6)
90#define HOUR_PM			(1 << 5)
91#define S5M_ALARM0_STATUS	(1 << 1)
92#define S5M_ALARM1_STATUS	(1 << 2)
93#define S5M_UPDATE_AD		(1 << 0)
94
95#define S2MPS_ALARM0_STATUS	(1 << 2)
96#define S2MPS_ALARM1_STATUS	(1 << 1)
97
98/* RTC Control Register */
99#define BCD_EN_SHIFT		0
100#define BCD_EN_MASK		(1 << BCD_EN_SHIFT)
101#define MODEL24_SHIFT		1
102#define MODEL24_MASK		(1 << MODEL24_SHIFT)
103/* RTC Update Register1 */
104#define S5M_RTC_UDR_SHIFT	0
105#define S5M_RTC_UDR_MASK	(1 << S5M_RTC_UDR_SHIFT)
106#define S2MPS_RTC_WUDR_SHIFT	4
107#define S2MPS_RTC_WUDR_MASK	(1 << S2MPS_RTC_WUDR_SHIFT)
108#define S2MPS13_RTC_AUDR_SHIFT	1
109#define S2MPS13_RTC_AUDR_MASK	(1 << S2MPS13_RTC_AUDR_SHIFT)
110#define S2MPS_RTC_RUDR_SHIFT	0
111#define S2MPS_RTC_RUDR_MASK	(1 << S2MPS_RTC_RUDR_SHIFT)
112#define RTC_TCON_SHIFT		1
113#define RTC_TCON_MASK		(1 << RTC_TCON_SHIFT)
114#define S5M_RTC_TIME_EN_SHIFT	3
115#define S5M_RTC_TIME_EN_MASK	(1 << S5M_RTC_TIME_EN_SHIFT)
116/*
117 * UDR_T field in S5M_RTC_UDR_CON register determines the time needed
118 * for updating alarm and time registers. Default is 7.32 ms.
119 */
120#define S5M_RTC_UDR_T_SHIFT	6
121#define S5M_RTC_UDR_T_MASK	(0x3 << S5M_RTC_UDR_T_SHIFT)
122#define S5M_RTC_UDR_T_7320_US	(0x0 << S5M_RTC_UDR_T_SHIFT)
123#define S5M_RTC_UDR_T_1830_US	(0x1 << S5M_RTC_UDR_T_SHIFT)
124#define S5M_RTC_UDR_T_3660_US	(0x2 << S5M_RTC_UDR_T_SHIFT)
125#define S5M_RTC_UDR_T_450_US	(0x3 << S5M_RTC_UDR_T_SHIFT)
126
127/* RTC Hour register */
128#define HOUR_PM_SHIFT		6
129#define HOUR_PM_MASK		(1 << HOUR_PM_SHIFT)
130/* RTC Alarm Enable */
131#define ALARM_ENABLE_SHIFT	7
132#define ALARM_ENABLE_MASK	(1 << ALARM_ENABLE_SHIFT)
133
134#define SMPL_ENABLE_SHIFT	7
135#define SMPL_ENABLE_MASK	(1 << SMPL_ENABLE_SHIFT)
136
137#define WTSR_ENABLE_SHIFT	6
138#define WTSR_ENABLE_MASK	(1 << WTSR_ENABLE_SHIFT)
139
140enum {
141	RTC_SEC = 0,
142	RTC_MIN,
143	RTC_HOUR,
144	RTC_WEEKDAY,
145	RTC_DATE,
146	RTC_MONTH,
147	RTC_YEAR1,
148	RTC_YEAR2,
149};
150
151#endif /*  __LINUX_MFD_SEC_RTC_H */
152