drivers/misc/mediatek/magnetometer/lsm303c-new/lsm303c.h

   1 /* linux/drivers/hwmon/LSM303C.c
   2  *
   3  * (C) Copyright 2008
   4  * MediaTek <www.mediatek.com>
   5  *
   6  * LSM303C driver for MT6516
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23
  24 #ifndef LSM303C
  25 #define LSM303C
  26 #include <linux/ioctl.h>
  27
  28 /* Magnetometer Sensor Full Scale */
  29 // conversion of magnetic data to uT units
  30 #define CONVERT_M                   (1.0f/10.0f)
  31 #define CONVERT_M_X                 (CONVERT_M)
  32 #define CONVERT_M_Y                 (CONVERT_M)
  33 #define CONVERT_M_Z                 (CONVERT_M)
  34
  35 #define I2C_AUTO_INCREMENT      (0x80)
  36
  37
  38 #define LSM303C_REG_CTL0                        0x1F
  39 #define LSM303C_REG_DEVID                       0x0F
  40 #define LSM303C_REG_BW_RATE                     0x20
  41 #define LSM303C_REG_DATA_FORMAT         0x21
  42 #define LSM303C_REG_POWER_CTL           0x22
  43 #define LSM303C_REG_DATAX0                  0x28
  44
  45 #define LSM303C_REG_OFSX            0XFF
  46
  47
  48
  49
  50 #define LSM303C_FIXED_DEVID                     0x3d
  51
  52
  53 #define LSM303C_MAG_FS_MASK     (0x60)
  54 #define LSM303C_MAG_FS_16G      (0x60)  /* Full scale 16 gauss */
  55
  56
  57 #define SENSITIVITY_MAG_16G     480     /**     ugauss/LSB      */
  58
  59 #define LSM303C_MAG_POWER_ON      (0x00)  /* POWER ON */
  60 #define LSM303C_MAG_POWER_OFF     (0x02)  /* POWER ON */
  61
  62
  63 #define ODR_MAG_MASK              (0X1C)        /* Mask for odr change on mag */
  64 //#define LSM303C_MAG_ODR3_125  (0x00)  /* 3.25Hz output data rate */
  65 #define LSM303C_MAG_ODR_625       (0x00)  /* 0.625Hz output data rate */
  66 #define LSM303C_MAG_ODR1_25       (0x04)  /* 1.25Hz output data rate */
  67 #define LSM303C_MAG_ODR2_5        (0x08)  /* 2.5Hz output data rate */
  68 #define LSM303C_MAG_ODR5          (0x0c)  /* 5Hz output data rate */
  69 #define LSM303C_MAG_ODR10         (0x10)  /* 10Hz output data rate */
  70 #define LSM303C_MAG_ODR20         (0x14)  /* 20Hz output data rate */
  71 #define LSM303C_MAG_ODR40         (0x18)  /* 20Hz output data rate */
  72 #define LSM303C_MAG_ODR80         (0x1c)  /* 20Hz output data rate */
  73
  74
  75 #define LSM303C_SUCCESS                                         0
  76 #define LSM303C_ERR_I2C                                         -1
  77 #define LSM303C_ERR_STATUS                                      -3
  78 #define LSM303C_ERR_SETUP_FAILURE                       -4
  79 #define LSM303C_ERR_GETGSENSORDATA                      -5
  80 #define LSM303C_ERR_IDENTIFICATION                      -6
  81
  82
  83
  84 #define LSM303C_BUFSIZE                         256
  85
  86
  87 #endif