sys/dev/acpica/acpi_smbus.h

   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: src/sys/dev/acpica/acpi_smbus.h,v 1.1 2005/10/23 00:20:13 njl Exp $
  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_ */