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