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_ */ 286