The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/acpica/acpi_smbus.h

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    1 /*-
    2  * Copyright (c) 2005 Hans Petter Selasky
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  *      $FreeBSD: releng/10.4/sys/dev/acpica/acpi_smbus.h 151564 2005-10-23 00:20:13Z njl $
   27  */
   28 
   29 #ifndef _ACPI_SMBUS_H_
   30 #define _ACPI_SMBUS_H_
   31 
   32 /*
   33  * System Management Bus register offsets
   34  */
   35 #define SMBUS_PRTCL             0
   36 #define SMBUS_STS               1
   37 #define SMBUS_STS_MASK          0x1f
   38 #define SMBUS_ADDR              2
   39 #define SMBUS_CMD               3
   40 #define SMBUS_DATA              4       /* 32 bytes */
   41 #define SMBUS_BCNT              36
   42 #define SMBUS_ALRM_ADDR         37
   43 #define SMBUS_ALRM_DATA         38      /* 2 bytes */
   44 
   45 /*
   46  * Smart-Battery commands and definitions
   47  */
   48 
   49 /* Base address */
   50 #define SMBATT_ADDRESS          0x16
   51 
   52 
   53 /* access: READ WRITE WORD */
   54 #define SMBATT_CMD_MANUFACTURER_ACCESS          0
   55 
   56 /*
   57  * access: READ WRITE WORD
   58  * unit  : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
   59  * range : 0 .. 65535 inclusively
   60  */
   61 #define SMBATT_CMD_REMAINING_CAPACITY_ALARM     0x1
   62 
   63 /*
   64  * access: READ WRITE WORD
   65  * unit  : minutes
   66  * range : 0 .. 65535 inclusively
   67  */
   68 #define SMBATT_CMD_REMAINING_TIME_ALARM         0x2
   69 
   70 /* access: READ WRITE WORD */
   71 #define SMBATT_CMD_BATTERY_MODE                 0x3
   72 
   73 #define SMBATT_BM_INTERNAL_CHARGE_CONTROLLER    (1 <<  0) /* READ */
   74 #define SMBATT_BM_PRIMARY_BATTERY_SUPPORT       (1 <<  1) /* READ */
   75 #define SMBATT_BM_CONDITION_FLAG                (1 <<  7) /* READ */
   76 #define SMBATT_BM_CHARGE_CONTROLLER_ENABLED     (1 <<  8) /* READ WRITE */
   77 #define SMBATT_BM_PRIMARY_BATTERY               (1 <<  9) /* READ WRITE */
   78 #define SMBATT_BM_ALARM_MODE                    (1 << 13) /* READ WRITE */
   79 #define SMBATT_BM_CHARGER_MODE                  (1 << 14) /* READ WRITE */
   80 #define SMBATT_BM_CAPACITY_MODE                 (1 << 15) /* READ WRITE */
   81 
   82 /*
   83  * access: READ WRITE WORD
   84  * unit  : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
   85  * range : signed WORD
   86  */
   87 #define SMBATT_CMD_AT_RATE                      0x4
   88 
   89 /*
   90  * access: READ WORD
   91  * unit  : minutes
   92  * range : 0 .. 65534, 65535 has special meaning
   93  */
   94 #define SMBATT_CMD_AT_RATE_TIME_TO_FULL         0x5
   95 
   96 /*
   97  * access: READ WORD
   98  * unit  : minutes
   99  * range : 0 .. 65534, 65535 has special meaning
  100  */
  101 #define SMBATT_CMD_AT_RATE_TIME_TO_EMPTY        0x6
  102 
  103 /*
  104  * access: READ WORD */
  105 #define SMBATT_CMD_AT_RATE_OK                   0x7
  106 
  107 /*
  108  * access: READ WORD
  109  * unit  : 0.1 degrees Kelvin
  110  * range : 0 .. 6553.5 Kelvin
  111  */
  112 #define SMBATT_CMD_TEMPERATURE                  0x8
  113 
  114 /*
  115  * access: READ WORD
  116  * unit  : mV
  117  * range : 0 .. 65535 inclusively
  118  */
  119 #define SMBATT_CMD_VOLTAGE                      0x9
  120 
  121 /*
  122  * access: READ WORD
  123  * unit  : mA
  124  * range : signed WORD
  125  */
  126 #define SMBATT_CMD_CURRENT                      0xa
  127 
  128 /*
  129  * access: READ WORD
  130  * unit  : mA
  131  * range : signed WORD
  132  */
  133 #define SMBATT_CMD_AVERAGE_CURRENT              0xb
  134 
  135 /*
  136  * access: READ WORD
  137  * unit  : percent
  138  * range : 0..100 inclusively
  139  */
  140 #define SMBATT_CMD_MAX_ERROR                    0xc
  141 
  142 /*
  143  * access: READ WORD
  144  * unit  : percent
  145  * range : 0..100 inclusively
  146  */
  147 #define SMBATT_CMD_RELATIVE_STATE_OF_CHARGE     0xd
  148 
  149 /*
  150  * access: READ WORD
  151  * unit  : percent
  152  * range : 0..100 inclusively
  153  */
  154 #define SMBATT_CMD_ABSOLUTE_STATE_OF_CHARGE     0xe
  155 
  156 /*
  157  * access: READ WORD
  158  * unit  : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
  159  * range : 0..65535 inclusively
  160  */
  161 #define SMBATT_CMD_REMAINING_CAPACITY           0xf
  162 
  163 /*
  164  * access: READ WORD
  165  * unit  : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
  166  * range : 0..65535 inclusively
  167  */
  168 #define SMBATT_CMD_FULL_CHARGE_CAPACITY         0x10
  169 
  170 /*
  171  * access: READ WORD
  172  * unit  : minutes
  173  * range : 0..65534, 65535 is reserved
  174  */
  175 #define SMBATT_CMD_RUN_TIME_TO_EMPTY            0x11
  176 
  177 /*
  178  * access: READ WORD
  179  * unit  : minutes
  180  * range : 0..65534, 65535 is reserved
  181  */
  182 #define SMBATT_CMD_AVERAGE_TIME_TO_EMPTY        0x12
  183 
  184 /*
  185  * access: READ WORD
  186  * unit  : minutes
  187  * range : 0..65534, 65535 is reserved
  188  */
  189 #define SMBATT_CMD_AVERAGE_TIME_TO_FULL         0x13
  190 
  191 /*
  192  * access: READ WORD
  193  * unit  : mA
  194  */
  195 #define SMBATT_CMD_CHARGING_CURRENT             0x14
  196 
  197 /*
  198  * access: READ WORD
  199  * unit  : mV
  200  * range : 0 .. 65534, 65535 reserved
  201  */
  202 #define SMBATT_CMD_CHARGING_VOLTAGE             0x15
  203 
  204 /* access: READ WORD */
  205 #define SMBATT_CMD_BATTERY_STATUS               0x16
  206 
  207 /* alarm bits */
  208 #define SMBATT_BS_OVER_CHARGED_ALARM            (1 << 15)
  209 #define SMBATT_BS_TERMINATE_CHARGE_ALARM        (1 << 14)
  210 #define SMBATT_BS_RESERVED_2                    (1 << 13)
  211 #define SMBATT_BS_OVER_TEMP_ALARM               (1 << 12)
  212 #define SMBATT_BS_TERMINATE_DISCHARGE_ALARM     (1 << 11)
  213 #define SMBATT_BS_RESERVED_1                    (1 << 10)
  214 #define SMBATT_BS_REMAINING_CAPACITY_ALARM      (1 << 9)
  215 #define SMBATT_BS_REMAINING_TIME_ALARM          (1 << 8)
  216 
  217 /* status bits */
  218 #define SMBATT_BS_INITIALIZED                   (1 << 7)
  219 #define SMBATT_BS_DISCHARGING                   (1 << 6)
  220 #define SMBATT_BS_FULLY_CHARGED                 (1 << 5)
  221 #define SMBATT_BS_FULLY_DISCHARGED              (1 << 4)
  222 
  223 /* error bits */
  224 #define SMBATT_BS_GET_ERROR(x)                  ((x) & 0xf)
  225 #define SMBATT_BS_ERROR_OK                      0
  226 #define SMBATT_BS_ERROR_BUSY                    1
  227 #define SMBATT_BS_ERROR_RESERVED_COMMAND        2
  228 #define SMBATT_BS_ERROR_UNSUPPORTED_COMMAND     3
  229 #define SMBATT_BS_ERROR_ACCESS_DENIED           4
  230 #define SMBATT_BS_ERROR_OVER_UNDER_FLOW         5
  231 #define SMBATT_BS_ERROR_BADSIZE                 6
  232 #define SMBATT_BS_ERROR_UNKNOWN                 7
  233 
  234 /*
  235  * access: READ WORD
  236  * unit  : cycle(s)
  237  * range : 0 .. 65534, 65535 reserved
  238  */
  239 #define SMBATT_CMD_CYCLE_COUNT                  0x17
  240 
  241 /*
  242  * access: READ WORD
  243  * unit  : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
  244  * range : 0..65535 inclusively
  245  */
  246 #define SMBATT_CMD_DESIGN_CAPACITY              0x18
  247 
  248 /*
  249  * access: READ WORD
  250  * unit  : mV
  251  * range : 0..65535 mV
  252  */
  253 #define SMBATT_CMD_DESIGN_VOLTAGE               0x19
  254 
  255 /* access: READ WORD */
  256 #define SMBATT_CMD_SPECIFICATION_INFO           0x1a
  257 
  258 #define SMBATT_SI_GET_REVISION(x)       (((x) >>  0) & 0xf)
  259 #define SMBATT_SI_GET_VERSION(x)        (((x) >>  4) & 0xf)
  260 #define SMBATT_SI_GET_VSCALE(x)         (((x) >>  8) & 0xf)
  261 #define SMBATT_SI_GET_IPSCALE(x)        (((x) >> 12) & 0xf)
  262 
  263 /* access: READ WORD */
  264 #define SMBATT_CMD_MANUFACTURE_DATE             0x1b
  265 
  266 #define SMBATT_MD_GET_DAY(x)             (((x) >> 0) & 0x1f)
  267 #define SMBATT_MD_GET_MONTH(x)           (((x) >> 5) & 0xf)
  268 #define SMBATT_MD_GET_YEAR(x)           ((((x) >> 9) & 0x7f) + 1980)
  269 
  270 /* access: READ WORD */
  271 #define SMBATT_CMD_SERIAL_NUMBER                0x1c
  272 
  273 /* access: READ BLOCK */
  274 #define SMBATT_CMD_MANUFACTURER_NAME            0x20
  275 
  276 /* access: READ BLOCK */
  277 #define SMBATT_CMD_DEVICE_NAME                  0x21
  278 
  279 /* access: READ BLOCK */
  280 #define SMBATT_CMD_DEVICE_CHEMISTRY             0x22
  281 
  282 /* access: READ BLOCK */
  283 #define SMBATT_CMD_MANUFACTURER_DATA            0x23
  284 
  285 #endif /* !_ACPI_SMBUS_H_ */

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