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 * $FreeBSD$ 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 /* access: READ WRITE WORD */ 53 #define SMBATT_CMD_MANUFACTURER_ACCESS 0 54 55 /* 56 * access: READ WRITE WORD 57 * unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1) 58 * range : 0 .. 65535 inclusively 59 */ 60 #define SMBATT_CMD_REMAINING_CAPACITY_ALARM 0x1 61 62 /* 63 * access: READ WRITE WORD 64 * unit : minutes 65 * range : 0 .. 65535 inclusively 66 */ 67 #define SMBATT_CMD_REMAINING_TIME_ALARM 0x2 68 69 /* access: READ WRITE WORD */ 70 #define SMBATT_CMD_BATTERY_MODE 0x3 71 72 #define SMBATT_BM_INTERNAL_CHARGE_CONTROLLER (1 << 0) /* READ */ 73 #define SMBATT_BM_PRIMARY_BATTERY_SUPPORT (1 << 1) /* READ */ 74 #define SMBATT_BM_CONDITION_FLAG (1 << 7) /* READ */ 75 #define SMBATT_BM_CHARGE_CONTROLLER_ENABLED (1 << 8) /* READ WRITE */ 76 #define SMBATT_BM_PRIMARY_BATTERY (1 << 9) /* READ WRITE */ 77 #define SMBATT_BM_ALARM_MODE (1 << 13) /* READ WRITE */ 78 #define SMBATT_BM_CHARGER_MODE (1 << 14) /* READ WRITE */ 79 #define SMBATT_BM_CAPACITY_MODE (1 << 15) /* READ WRITE */ 80 81 /* 82 * access: READ WRITE WORD 83 * unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1) 84 * range : signed WORD 85 */ 86 #define SMBATT_CMD_AT_RATE 0x4 87 88 /* 89 * access: READ WORD 90 * unit : minutes 91 * range : 0 .. 65534, 65535 has special meaning 92 */ 93 #define SMBATT_CMD_AT_RATE_TIME_TO_FULL 0x5 94 95 /* 96 * access: READ WORD 97 * unit : minutes 98 * range : 0 .. 65534, 65535 has special meaning 99 */ 100 #define SMBATT_CMD_AT_RATE_TIME_TO_EMPTY 0x6 101 102 /* 103 * access: READ WORD */ 104 #define SMBATT_CMD_AT_RATE_OK 0x7 105 106 /* 107 * access: READ WORD 108 * unit : 0.1 degrees Kelvin 109 * range : 0 .. 6553.5 Kelvin 110 */ 111 #define SMBATT_CMD_TEMPERATURE 0x8 112 113 /* 114 * access: READ WORD 115 * unit : mV 116 * range : 0 .. 65535 inclusively 117 */ 118 #define SMBATT_CMD_VOLTAGE 0x9 119 120 /* 121 * access: READ WORD 122 * unit : mA 123 * range : signed WORD 124 */ 125 #define SMBATT_CMD_CURRENT 0xa 126 127 /* 128 * access: READ WORD 129 * unit : mA 130 * range : signed WORD 131 */ 132 #define SMBATT_CMD_AVERAGE_CURRENT 0xb 133 134 /* 135 * access: READ WORD 136 * unit : percent 137 * range : 0..100 inclusively 138 */ 139 #define SMBATT_CMD_MAX_ERROR 0xc 140 141 /* 142 * access: READ WORD 143 * unit : percent 144 * range : 0..100 inclusively 145 */ 146 #define SMBATT_CMD_RELATIVE_STATE_OF_CHARGE 0xd 147 148 /* 149 * access: READ WORD 150 * unit : percent 151 * range : 0..100 inclusively 152 */ 153 #define SMBATT_CMD_ABSOLUTE_STATE_OF_CHARGE 0xe 154 155 /* 156 * access: READ WORD 157 * unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1) 158 * range : 0..65535 inclusively 159 */ 160 #define SMBATT_CMD_REMAINING_CAPACITY 0xf 161 162 /* 163 * access: READ WORD 164 * unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1) 165 * range : 0..65535 inclusively 166 */ 167 #define SMBATT_CMD_FULL_CHARGE_CAPACITY 0x10 168 169 /* 170 * access: READ WORD 171 * unit : minutes 172 * range : 0..65534, 65535 is reserved 173 */ 174 #define SMBATT_CMD_RUN_TIME_TO_EMPTY 0x11 175 176 /* 177 * access: READ WORD 178 * unit : minutes 179 * range : 0..65534, 65535 is reserved 180 */ 181 #define SMBATT_CMD_AVERAGE_TIME_TO_EMPTY 0x12 182 183 /* 184 * access: READ WORD 185 * unit : minutes 186 * range : 0..65534, 65535 is reserved 187 */ 188 #define SMBATT_CMD_AVERAGE_TIME_TO_FULL 0x13 189 190 /* 191 * access: READ WORD 192 * unit : mA 193 */ 194 #define SMBATT_CMD_CHARGING_CURRENT 0x14 195 196 /* 197 * access: READ WORD 198 * unit : mV 199 * range : 0 .. 65534, 65535 reserved 200 */ 201 #define SMBATT_CMD_CHARGING_VOLTAGE 0x15 202 203 /* access: READ WORD */ 204 #define SMBATT_CMD_BATTERY_STATUS 0x16 205 206 /* alarm bits */ 207 #define SMBATT_BS_OVER_CHARGED_ALARM (1 << 15) 208 #define SMBATT_BS_TERMINATE_CHARGE_ALARM (1 << 14) 209 #define SMBATT_BS_RESERVED_2 (1 << 13) 210 #define SMBATT_BS_OVER_TEMP_ALARM (1 << 12) 211 #define SMBATT_BS_TERMINATE_DISCHARGE_ALARM (1 << 11) 212 #define SMBATT_BS_RESERVED_1 (1 << 10) 213 #define SMBATT_BS_REMAINING_CAPACITY_ALARM (1 << 9) 214 #define SMBATT_BS_REMAINING_TIME_ALARM (1 << 8) 215 216 /* status bits */ 217 #define SMBATT_BS_INITIALIZED (1 << 7) 218 #define SMBATT_BS_DISCHARGING (1 << 6) 219 #define SMBATT_BS_FULLY_CHARGED (1 << 5) 220 #define SMBATT_BS_FULLY_DISCHARGED (1 << 4) 221 222 /* error bits */ 223 #define SMBATT_BS_GET_ERROR(x) ((x) & 0xf) 224 #define SMBATT_BS_ERROR_OK 0 225 #define SMBATT_BS_ERROR_BUSY 1 226 #define SMBATT_BS_ERROR_RESERVED_COMMAND 2 227 #define SMBATT_BS_ERROR_UNSUPPORTED_COMMAND 3 228 #define SMBATT_BS_ERROR_ACCESS_DENIED 4 229 #define SMBATT_BS_ERROR_OVER_UNDER_FLOW 5 230 #define SMBATT_BS_ERROR_BADSIZE 6 231 #define SMBATT_BS_ERROR_UNKNOWN 7 232 233 /* 234 * access: READ WORD 235 * unit : cycle(s) 236 * range : 0 .. 65534, 65535 reserved 237 */ 238 #define SMBATT_CMD_CYCLE_COUNT 0x17 239 240 /* 241 * access: READ WORD 242 * unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1) 243 * range : 0..65535 inclusively 244 */ 245 #define SMBATT_CMD_DESIGN_CAPACITY 0x18 246 247 /* 248 * access: READ WORD 249 * unit : mV 250 * range : 0..65535 mV 251 */ 252 #define SMBATT_CMD_DESIGN_VOLTAGE 0x19 253 254 /* access: READ WORD */ 255 #define SMBATT_CMD_SPECIFICATION_INFO 0x1a 256 257 #define SMBATT_SI_GET_REVISION(x) (((x) >> 0) & 0xf) 258 #define SMBATT_SI_GET_VERSION(x) (((x) >> 4) & 0xf) 259 #define SMBATT_SI_GET_VSCALE(x) (((x) >> 8) & 0xf) 260 #define SMBATT_SI_GET_IPSCALE(x) (((x) >> 12) & 0xf) 261 262 /* access: READ WORD */ 263 #define SMBATT_CMD_MANUFACTURE_DATE 0x1b 264 265 #define SMBATT_MD_GET_DAY(x) (((x) >> 0) & 0x1f) 266 #define SMBATT_MD_GET_MONTH(x) (((x) >> 5) & 0xf) 267 #define SMBATT_MD_GET_YEAR(x) ((((x) >> 9) & 0x7f) + 1980) 268 269 /* access: READ WORD */ 270 #define SMBATT_CMD_SERIAL_NUMBER 0x1c 271 272 /* access: READ BLOCK */ 273 #define SMBATT_CMD_MANUFACTURER_NAME 0x20 274 275 /* access: READ BLOCK */ 276 #define SMBATT_CMD_DEVICE_NAME 0x21 277 278 /* access: READ BLOCK */ 279 #define SMBATT_CMD_DEVICE_CHEMISTRY 0x22 280 281 /* access: READ BLOCK */ 282 #define SMBATT_CMD_MANUFACTURER_DATA 0x23 283 284 #endif /* !_ACPI_SMBUS_H_ */ 285