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1 | /* |
2 | * rtc.h -- RTC driver for Wolfson WM8350 PMIC | |
3 | * | |
4 | * Copyright 2007 Wolfson Microelectronics PLC | |
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 | ||
12 | #ifndef __LINUX_MFD_WM8350_RTC_H | |
13 | #define __LINUX_MFD_WM8350_RTC_H | |
14 | ||
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15 | #include <linux/platform_device.h> |
16 | ||
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17 | /* |
18 | * Register values. | |
19 | */ | |
20 | #define WM8350_RTC_SECONDS_MINUTES 0x10 | |
21 | #define WM8350_RTC_HOURS_DAY 0x11 | |
22 | #define WM8350_RTC_DATE_MONTH 0x12 | |
23 | #define WM8350_RTC_YEAR 0x13 | |
24 | #define WM8350_ALARM_SECONDS_MINUTES 0x14 | |
25 | #define WM8350_ALARM_HOURS_DAY 0x15 | |
26 | #define WM8350_ALARM_DATE_MONTH 0x16 | |
27 | #define WM8350_RTC_TIME_CONTROL 0x17 | |
28 | ||
29 | /* | |
30 | * R16 (0x10) - RTC Seconds/Minutes | |
31 | */ | |
32 | #define WM8350_RTC_MINS_MASK 0x7F00 | |
33 | #define WM8350_RTC_MINS_SHIFT 8 | |
34 | #define WM8350_RTC_SECS_MASK 0x007F | |
35 | #define WM8350_RTC_SECS_SHIFT 0 | |
36 | ||
37 | /* | |
38 | * R17 (0x11) - RTC Hours/Day | |
39 | */ | |
40 | #define WM8350_RTC_DAY_MASK 0x0700 | |
41 | #define WM8350_RTC_DAY_SHIFT 8 | |
42 | #define WM8350_RTC_HPM_MASK 0x0020 | |
43 | #define WM8350_RTC_HPM_SHIFT 5 | |
44 | #define WM8350_RTC_HRS_MASK 0x001F | |
45 | #define WM8350_RTC_HRS_SHIFT 0 | |
46 | ||
47 | /* Bit values for R21 (0x15) */ | |
48 | #define WM8350_RTC_DAY_SUN 1 | |
49 | #define WM8350_RTC_DAY_MON 2 | |
50 | #define WM8350_RTC_DAY_TUE 3 | |
51 | #define WM8350_RTC_DAY_WED 4 | |
52 | #define WM8350_RTC_DAY_THU 5 | |
53 | #define WM8350_RTC_DAY_FRI 6 | |
54 | #define WM8350_RTC_DAY_SAT 7 | |
55 | ||
56 | #define WM8350_RTC_HPM_AM 0 | |
57 | #define WM8350_RTC_HPM_PM 1 | |
58 | ||
59 | /* | |
60 | * R18 (0x12) - RTC Date/Month | |
61 | */ | |
62 | #define WM8350_RTC_MTH_MASK 0x1F00 | |
63 | #define WM8350_RTC_MTH_SHIFT 8 | |
64 | #define WM8350_RTC_DATE_MASK 0x003F | |
65 | #define WM8350_RTC_DATE_SHIFT 0 | |
66 | ||
67 | /* Bit values for R22 (0x16) */ | |
68 | #define WM8350_RTC_MTH_JAN 1 | |
69 | #define WM8350_RTC_MTH_FEB 2 | |
70 | #define WM8350_RTC_MTH_MAR 3 | |
71 | #define WM8350_RTC_MTH_APR 4 | |
72 | #define WM8350_RTC_MTH_MAY 5 | |
73 | #define WM8350_RTC_MTH_JUN 6 | |
74 | #define WM8350_RTC_MTH_JUL 7 | |
75 | #define WM8350_RTC_MTH_AUG 8 | |
76 | #define WM8350_RTC_MTH_SEP 9 | |
77 | #define WM8350_RTC_MTH_OCT 10 | |
78 | #define WM8350_RTC_MTH_NOV 11 | |
79 | #define WM8350_RTC_MTH_DEC 12 | |
80 | #define WM8350_RTC_MTH_JAN_BCD 0x01 | |
81 | #define WM8350_RTC_MTH_FEB_BCD 0x02 | |
82 | #define WM8350_RTC_MTH_MAR_BCD 0x03 | |
83 | #define WM8350_RTC_MTH_APR_BCD 0x04 | |
84 | #define WM8350_RTC_MTH_MAY_BCD 0x05 | |
85 | #define WM8350_RTC_MTH_JUN_BCD 0x06 | |
86 | #define WM8350_RTC_MTH_JUL_BCD 0x07 | |
87 | #define WM8350_RTC_MTH_AUG_BCD 0x08 | |
88 | #define WM8350_RTC_MTH_SEP_BCD 0x09 | |
89 | #define WM8350_RTC_MTH_OCT_BCD 0x10 | |
90 | #define WM8350_RTC_MTH_NOV_BCD 0x11 | |
91 | #define WM8350_RTC_MTH_DEC_BCD 0x12 | |
92 | ||
93 | /* | |
94 | * R19 (0x13) - RTC Year | |
95 | */ | |
96 | #define WM8350_RTC_YHUNDREDS_MASK 0x3F00 | |
97 | #define WM8350_RTC_YHUNDREDS_SHIFT 8 | |
98 | #define WM8350_RTC_YUNITS_MASK 0x00FF | |
99 | #define WM8350_RTC_YUNITS_SHIFT 0 | |
100 | ||
101 | /* | |
102 | * R20 (0x14) - Alarm Seconds/Minutes | |
103 | */ | |
104 | #define WM8350_RTC_ALMMINS_MASK 0x7F00 | |
105 | #define WM8350_RTC_ALMMINS_SHIFT 8 | |
106 | #define WM8350_RTC_ALMSECS_MASK 0x007F | |
107 | #define WM8350_RTC_ALMSECS_SHIFT 0 | |
108 | ||
109 | /* Bit values for R20 (0x14) */ | |
110 | #define WM8350_RTC_ALMMINS_DONT_CARE -1 | |
111 | #define WM8350_RTC_ALMSECS_DONT_CARE -1 | |
112 | ||
113 | /* | |
114 | * R21 (0x15) - Alarm Hours/Day | |
115 | */ | |
116 | #define WM8350_RTC_ALMDAY_MASK 0x0F00 | |
117 | #define WM8350_RTC_ALMDAY_SHIFT 8 | |
118 | #define WM8350_RTC_ALMHPM_MASK 0x0020 | |
119 | #define WM8350_RTC_ALMHPM_SHIFT 5 | |
120 | #define WM8350_RTC_ALMHRS_MASK 0x001F | |
121 | #define WM8350_RTC_ALMHRS_SHIFT 0 | |
122 | ||
123 | /* Bit values for R21 (0x15) */ | |
124 | #define WM8350_RTC_ALMDAY_DONT_CARE -1 | |
125 | #define WM8350_RTC_ALMDAY_SUN 1 | |
126 | #define WM8350_RTC_ALMDAY_MON 2 | |
127 | #define WM8350_RTC_ALMDAY_TUE 3 | |
128 | #define WM8350_RTC_ALMDAY_WED 4 | |
129 | #define WM8350_RTC_ALMDAY_THU 5 | |
130 | #define WM8350_RTC_ALMDAY_FRI 6 | |
131 | #define WM8350_RTC_ALMDAY_SAT 7 | |
132 | ||
133 | #define WM8350_RTC_ALMHPM_AM 0 | |
134 | #define WM8350_RTC_ALMHPM_PM 1 | |
135 | ||
136 | #define WM8350_RTC_ALMHRS_DONT_CARE -1 | |
137 | ||
138 | /* | |
139 | * R22 (0x16) - Alarm Date/Month | |
140 | */ | |
141 | #define WM8350_RTC_ALMMTH_MASK 0x1F00 | |
142 | #define WM8350_RTC_ALMMTH_SHIFT 8 | |
143 | #define WM8350_RTC_ALMDATE_MASK 0x003F | |
144 | #define WM8350_RTC_ALMDATE_SHIFT 0 | |
145 | ||
146 | /* Bit values for R22 (0x16) */ | |
147 | #define WM8350_RTC_ALMDATE_DONT_CARE -1 | |
148 | ||
149 | #define WM8350_RTC_ALMMTH_DONT_CARE -1 | |
150 | #define WM8350_RTC_ALMMTH_JAN 1 | |
151 | #define WM8350_RTC_ALMMTH_FEB 2 | |
152 | #define WM8350_RTC_ALMMTH_MAR 3 | |
153 | #define WM8350_RTC_ALMMTH_APR 4 | |
154 | #define WM8350_RTC_ALMMTH_MAY 5 | |
155 | #define WM8350_RTC_ALMMTH_JUN 6 | |
156 | #define WM8350_RTC_ALMMTH_JUL 7 | |
157 | #define WM8350_RTC_ALMMTH_AUG 8 | |
158 | #define WM8350_RTC_ALMMTH_SEP 9 | |
159 | #define WM8350_RTC_ALMMTH_OCT 10 | |
160 | #define WM8350_RTC_ALMMTH_NOV 11 | |
161 | #define WM8350_RTC_ALMMTH_DEC 12 | |
162 | #define WM8350_RTC_ALMMTH_JAN_BCD 0x01 | |
163 | #define WM8350_RTC_ALMMTH_FEB_BCD 0x02 | |
164 | #define WM8350_RTC_ALMMTH_MAR_BCD 0x03 | |
165 | #define WM8350_RTC_ALMMTH_APR_BCD 0x04 | |
166 | #define WM8350_RTC_ALMMTH_MAY_BCD 0x05 | |
167 | #define WM8350_RTC_ALMMTH_JUN_BCD 0x06 | |
168 | #define WM8350_RTC_ALMMTH_JUL_BCD 0x07 | |
169 | #define WM8350_RTC_ALMMTH_AUG_BCD 0x08 | |
170 | #define WM8350_RTC_ALMMTH_SEP_BCD 0x09 | |
171 | #define WM8350_RTC_ALMMTH_OCT_BCD 0x10 | |
172 | #define WM8350_RTC_ALMMTH_NOV_BCD 0x11 | |
173 | #define WM8350_RTC_ALMMTH_DEC_BCD 0x12 | |
174 | ||
175 | /* | |
176 | * R23 (0x17) - RTC Time Control | |
177 | */ | |
178 | #define WM8350_RTC_BCD 0x8000 | |
179 | #define WM8350_RTC_BCD_MASK 0x8000 | |
180 | #define WM8350_RTC_BCD_SHIFT 15 | |
181 | #define WM8350_RTC_12HR 0x4000 | |
182 | #define WM8350_RTC_12HR_MASK 0x4000 | |
183 | #define WM8350_RTC_12HR_SHIFT 14 | |
184 | #define WM8350_RTC_DST 0x2000 | |
185 | #define WM8350_RTC_DST_MASK 0x2000 | |
186 | #define WM8350_RTC_DST_SHIFT 13 | |
187 | #define WM8350_RTC_SET 0x0800 | |
188 | #define WM8350_RTC_SET_MASK 0x0800 | |
189 | #define WM8350_RTC_SET_SHIFT 11 | |
190 | #define WM8350_RTC_STS 0x0400 | |
191 | #define WM8350_RTC_STS_MASK 0x0400 | |
192 | #define WM8350_RTC_STS_SHIFT 10 | |
193 | #define WM8350_RTC_ALMSET 0x0200 | |
194 | #define WM8350_RTC_ALMSET_MASK 0x0200 | |
195 | #define WM8350_RTC_ALMSET_SHIFT 9 | |
196 | #define WM8350_RTC_ALMSTS 0x0100 | |
197 | #define WM8350_RTC_ALMSTS_MASK 0x0100 | |
198 | #define WM8350_RTC_ALMSTS_SHIFT 8 | |
199 | #define WM8350_RTC_PINT 0x0070 | |
200 | #define WM8350_RTC_PINT_MASK 0x0070 | |
201 | #define WM8350_RTC_PINT_SHIFT 4 | |
202 | #define WM8350_RTC_DSW 0x000F | |
203 | #define WM8350_RTC_DSW_MASK 0x000F | |
204 | #define WM8350_RTC_DSW_SHIFT 0 | |
205 | ||
206 | /* Bit values for R23 (0x17) */ | |
207 | #define WM8350_RTC_BCD_BINARY 0 | |
208 | #define WM8350_RTC_BCD_BCD 1 | |
209 | ||
210 | #define WM8350_RTC_12HR_24HR 0 | |
211 | #define WM8350_RTC_12HR_12HR 1 | |
212 | ||
213 | #define WM8350_RTC_DST_DISABLED 0 | |
214 | #define WM8350_RTC_DST_ENABLED 1 | |
215 | ||
216 | #define WM8350_RTC_SET_RUN 0 | |
217 | #define WM8350_RTC_SET_SET 1 | |
218 | ||
219 | #define WM8350_RTC_STS_RUNNING 0 | |
220 | #define WM8350_RTC_STS_STOPPED 1 | |
221 | ||
222 | #define WM8350_RTC_ALMSET_RUN 0 | |
223 | #define WM8350_RTC_ALMSET_SET 1 | |
224 | ||
225 | #define WM8350_RTC_ALMSTS_RUNNING 0 | |
226 | #define WM8350_RTC_ALMSTS_STOPPED 1 | |
227 | ||
228 | #define WM8350_RTC_PINT_DISABLED 0 | |
229 | #define WM8350_RTC_PINT_SECS 1 | |
230 | #define WM8350_RTC_PINT_MINS 2 | |
231 | #define WM8350_RTC_PINT_HRS 3 | |
232 | #define WM8350_RTC_PINT_DAYS 4 | |
233 | #define WM8350_RTC_PINT_MTHS 5 | |
234 | ||
235 | #define WM8350_RTC_DSW_DISABLED 0 | |
236 | #define WM8350_RTC_DSW_1HZ 1 | |
237 | #define WM8350_RTC_DSW_2HZ 2 | |
238 | #define WM8350_RTC_DSW_4HZ 3 | |
239 | #define WM8350_RTC_DSW_8HZ 4 | |
240 | #define WM8350_RTC_DSW_16HZ 5 | |
241 | #define WM8350_RTC_DSW_32HZ 6 | |
242 | #define WM8350_RTC_DSW_64HZ 7 | |
243 | #define WM8350_RTC_DSW_128HZ 8 | |
244 | #define WM8350_RTC_DSW_256HZ 9 | |
245 | #define WM8350_RTC_DSW_512HZ 10 | |
246 | #define WM8350_RTC_DSW_1024HZ 11 | |
247 | ||
248 | /* | |
249 | * R218 (0xDA) - RTC Tick Control | |
250 | */ | |
251 | #define WM8350_RTC_TICKSTS 0x4000 | |
252 | #define WM8350_RTC_CLKSRC 0x2000 | |
253 | #define WM8350_RTC_TRIM_MASK 0x03FF | |
254 | ||
255 | /* | |
256 | * RTC Interrupts. | |
257 | */ | |
258 | #define WM8350_IRQ_RTC_PER 7 | |
259 | #define WM8350_IRQ_RTC_SEC 8 | |
260 | #define WM8350_IRQ_RTC_ALM 9 | |
261 | ||
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262 | struct wm8350_rtc { |
263 | struct platform_device *pdev; | |
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264 | struct rtc_device *rtc; |
265 | int alarm_enabled; /* used over suspend/resume */ | |
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266 | }; |
267 | ||
64a91ce9 | 268 | #endif |