drivers/i2c/chips/rtc8564.h

   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  */
  13 struct 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
  24 struct 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