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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
  15 #include <linux/platform_device.h>
  16
  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
 262 struct wm8350_rtc {
 263         struct platform_device *pdev;
 264         struct rtc_device *rtc;
 265         int alarm_enabled;      /* used over suspend/resume */
 266 };
 267
 268 #endif