283 lines
7.1 KiB
C
283 lines
7.1 KiB
C
/*-
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* Copyright (c) 2005 Hans Petter Selasky
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ACPI_SMBUS_H_
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#define _ACPI_SMBUS_H_
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/*
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* System Management Bus register offsets
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*/
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#define SMBUS_PRTCL 0
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#define SMBUS_STS 1
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#define SMBUS_STS_MASK 0x1f
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#define SMBUS_ADDR 2
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#define SMBUS_CMD 3
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#define SMBUS_DATA 4 /* 32 bytes */
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#define SMBUS_BCNT 36
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#define SMBUS_ALRM_ADDR 37
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#define SMBUS_ALRM_DATA 38 /* 2 bytes */
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/*
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* Smart-Battery commands and definitions
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*/
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/* Base address */
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#define SMBATT_ADDRESS 0x16
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/* access: READ WRITE WORD */
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#define SMBATT_CMD_MANUFACTURER_ACCESS 0
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/*
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* access: READ WRITE WORD
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* unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
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* range : 0 .. 65535 inclusively
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*/
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#define SMBATT_CMD_REMAINING_CAPACITY_ALARM 0x1
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/*
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* access: READ WRITE WORD
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* unit : minutes
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* range : 0 .. 65535 inclusively
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*/
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#define SMBATT_CMD_REMAINING_TIME_ALARM 0x2
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/* access: READ WRITE WORD */
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#define SMBATT_CMD_BATTERY_MODE 0x3
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#define SMBATT_BM_INTERNAL_CHARGE_CONTROLLER (1 << 0) /* READ */
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#define SMBATT_BM_PRIMARY_BATTERY_SUPPORT (1 << 1) /* READ */
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#define SMBATT_BM_CONDITION_FLAG (1 << 7) /* READ */
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#define SMBATT_BM_CHARGE_CONTROLLER_ENABLED (1 << 8) /* READ WRITE */
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#define SMBATT_BM_PRIMARY_BATTERY (1 << 9) /* READ WRITE */
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#define SMBATT_BM_ALARM_MODE (1 << 13) /* READ WRITE */
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#define SMBATT_BM_CHARGER_MODE (1 << 14) /* READ WRITE */
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#define SMBATT_BM_CAPACITY_MODE (1 << 15) /* READ WRITE */
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/*
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* access: READ WRITE WORD
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* unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
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* range : signed WORD
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*/
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#define SMBATT_CMD_AT_RATE 0x4
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/*
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* access: READ WORD
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* unit : minutes
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* range : 0 .. 65534, 65535 has special meaning
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*/
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#define SMBATT_CMD_AT_RATE_TIME_TO_FULL 0x5
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/*
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* access: READ WORD
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* unit : minutes
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* range : 0 .. 65534, 65535 has special meaning
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*/
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#define SMBATT_CMD_AT_RATE_TIME_TO_EMPTY 0x6
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/*
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* access: READ WORD */
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#define SMBATT_CMD_AT_RATE_OK 0x7
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/*
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* access: READ WORD
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* unit : 0.1 degrees Kelvin
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* range : 0 .. 6553.5 Kelvin
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*/
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#define SMBATT_CMD_TEMPERATURE 0x8
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/*
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* access: READ WORD
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* unit : mV
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* range : 0 .. 65535 inclusively
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*/
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#define SMBATT_CMD_VOLTAGE 0x9
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/*
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* access: READ WORD
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* unit : mA
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* range : signed WORD
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*/
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#define SMBATT_CMD_CURRENT 0xa
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/*
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* access: READ WORD
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* unit : mA
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* range : signed WORD
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*/
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#define SMBATT_CMD_AVERAGE_CURRENT 0xb
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/*
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* access: READ WORD
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* unit : percent
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* range : 0..100 inclusively
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*/
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#define SMBATT_CMD_MAX_ERROR 0xc
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/*
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* access: READ WORD
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* unit : percent
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* range : 0..100 inclusively
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*/
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#define SMBATT_CMD_RELATIVE_STATE_OF_CHARGE 0xd
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/*
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* access: READ WORD
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* unit : percent
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* range : 0..100 inclusively
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*/
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#define SMBATT_CMD_ABSOLUTE_STATE_OF_CHARGE 0xe
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/*
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* access: READ WORD
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* unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
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* range : 0..65535 inclusively
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*/
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#define SMBATT_CMD_REMAINING_CAPACITY 0xf
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/*
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* access: READ WORD
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* unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
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* range : 0..65535 inclusively
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*/
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#define SMBATT_CMD_FULL_CHARGE_CAPACITY 0x10
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/*
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* access: READ WORD
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* unit : minutes
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* range : 0..65534, 65535 is reserved
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*/
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#define SMBATT_CMD_RUN_TIME_TO_EMPTY 0x11
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/*
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* access: READ WORD
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* unit : minutes
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* range : 0..65534, 65535 is reserved
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*/
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#define SMBATT_CMD_AVERAGE_TIME_TO_EMPTY 0x12
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/*
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* access: READ WORD
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* unit : minutes
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* range : 0..65534, 65535 is reserved
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*/
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#define SMBATT_CMD_AVERAGE_TIME_TO_FULL 0x13
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/*
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* access: READ WORD
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* unit : mA
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*/
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#define SMBATT_CMD_CHARGING_CURRENT 0x14
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/*
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* access: READ WORD
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* unit : mV
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* range : 0 .. 65534, 65535 reserved
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*/
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#define SMBATT_CMD_CHARGING_VOLTAGE 0x15
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/* access: READ WORD */
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#define SMBATT_CMD_BATTERY_STATUS 0x16
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/* alarm bits */
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#define SMBATT_BS_OVER_CHARGED_ALARM (1 << 15)
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#define SMBATT_BS_TERMINATE_CHARGE_ALARM (1 << 14)
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#define SMBATT_BS_RESERVED_2 (1 << 13)
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#define SMBATT_BS_OVER_TEMP_ALARM (1 << 12)
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#define SMBATT_BS_TERMINATE_DISCHARGE_ALARM (1 << 11)
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#define SMBATT_BS_RESERVED_1 (1 << 10)
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#define SMBATT_BS_REMAINING_CAPACITY_ALARM (1 << 9)
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#define SMBATT_BS_REMAINING_TIME_ALARM (1 << 8)
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/* status bits */
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#define SMBATT_BS_INITIALIZED (1 << 7)
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#define SMBATT_BS_DISCHARGING (1 << 6)
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#define SMBATT_BS_FULLY_CHARGED (1 << 5)
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#define SMBATT_BS_FULLY_DISCHARGED (1 << 4)
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/* error bits */
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#define SMBATT_BS_GET_ERROR(x) ((x) & 0xf)
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#define SMBATT_BS_ERROR_OK 0
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#define SMBATT_BS_ERROR_BUSY 1
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#define SMBATT_BS_ERROR_RESERVED_COMMAND 2
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#define SMBATT_BS_ERROR_UNSUPPORTED_COMMAND 3
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#define SMBATT_BS_ERROR_ACCESS_DENIED 4
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#define SMBATT_BS_ERROR_OVER_UNDER_FLOW 5
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#define SMBATT_BS_ERROR_BADSIZE 6
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#define SMBATT_BS_ERROR_UNKNOWN 7
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/*
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* access: READ WORD
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* unit : cycle(s)
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* range : 0 .. 65534, 65535 reserved
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*/
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#define SMBATT_CMD_CYCLE_COUNT 0x17
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/*
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* access: READ WORD
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* unit : mAh (CAPACITY_MODE=0) or 10 mWh (CAPACITY_MODE=1)
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* range : 0..65535 inclusively
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*/
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#define SMBATT_CMD_DESIGN_CAPACITY 0x18
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/*
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* access: READ WORD
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* unit : mV
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* range : 0..65535 mV
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*/
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#define SMBATT_CMD_DESIGN_VOLTAGE 0x19
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/* access: READ WORD */
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#define SMBATT_CMD_SPECIFICATION_INFO 0x1a
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#define SMBATT_SI_GET_REVISION(x) (((x) >> 0) & 0xf)
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#define SMBATT_SI_GET_VERSION(x) (((x) >> 4) & 0xf)
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#define SMBATT_SI_GET_VSCALE(x) (((x) >> 8) & 0xf)
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#define SMBATT_SI_GET_IPSCALE(x) (((x) >> 12) & 0xf)
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/* access: READ WORD */
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#define SMBATT_CMD_MANUFACTURE_DATE 0x1b
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#define SMBATT_MD_GET_DAY(x) (((x) >> 0) & 0x1f)
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#define SMBATT_MD_GET_MONTH(x) (((x) >> 5) & 0xf)
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#define SMBATT_MD_GET_YEAR(x) ((((x) >> 9) & 0x7f) + 1980)
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/* access: READ WORD */
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#define SMBATT_CMD_SERIAL_NUMBER 0x1c
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/* access: READ BLOCK */
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#define SMBATT_CMD_MANUFACTURER_NAME 0x20
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/* access: READ BLOCK */
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#define SMBATT_CMD_DEVICE_NAME 0x21
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/* access: READ BLOCK */
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#define SMBATT_CMD_DEVICE_CHEMISTRY 0x22
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/* access: READ BLOCK */
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#define SMBATT_CMD_MANUFACTURER_DATA 0x23
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#endif /* !_ACPI_SMBUS_H_ */
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