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fc91a7f7fd
BUG=chrome-os-partner:25031
BRANCH=rambi
TEST=Manually
make BOARD=peppy
make BOARD=falco
make BOARD=rambi
make BOARD=squawks
On rambi and squawks, connect charger
ectool chargecontrol discharge
ectool i2cread 16 0 0x16 0x0a
It should return 16-bit negative integer.
Change-Id: I8a8dfa90d2ad82595ac7a420c3c8ffc13b12cde6
Signed-off-by: Justin Chuang <jchuang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/182586
Reviewed-by: Dave Parker <dparker@chromium.org>
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Charger/battery debug command module for Chrome EC */
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#ifndef __CROS_EC_CHARGER_H
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#define __CROS_EC_CHARGER_H
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#include "common.h"
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/* Charger infomation
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* voltage unit: mV
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* current unit: mA
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*/
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struct charger_info {
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const char *name;
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uint16_t voltage_max;
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uint16_t voltage_min;
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uint16_t voltage_step;
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uint16_t current_max;
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uint16_t current_min;
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uint16_t current_step;
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uint16_t input_current_max;
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uint16_t input_current_min;
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uint16_t input_current_step;
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};
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/* Power state machine post init */
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int charger_post_init(void);
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/* Get charger information. */
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const struct charger_info *charger_get_info(void);
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/* Get smart battery charger status. Supported flags:
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* CHARGER_CHARGE_INHIBITED
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* CHARGER_LEVEL_2
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*/
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int charger_get_status(int *status);
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/* Set smart battery charger mode. Supported mode(s):
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* CHARGER_FLAG_INHIBIT_CHARGE
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*/
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int charger_set_mode(int mode);
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/**
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* For chargers that are able to supply 5V output power for OTG dongle, this
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* function enables or disables 5V power output.
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*/
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int charger_enable_otg_power(int enabled);
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/**
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* Return the closest match the charger can supply to the requested current.
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*
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* @param current Requested current in mA.
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*
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* @return Current the charger will actually supply if <current> is requested.
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*/
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int charger_closest_current(int current);
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/**
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* Return the closest match the charger can supply to the requested voltage.
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*
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* @param voltage Requested voltage in mV.
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*
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* @return Voltage the charger will actually supply if <voltage> is requested.
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*/
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int charger_closest_voltage(int voltage);
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/* Get/set charge current limit in mA */
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int charger_get_current(int *current);
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int charger_set_current(int current);
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/* Get/set charge voltage limit in mV */
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int charger_get_voltage(int *voltage);
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int charger_set_voltage(int voltage);
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/* Discharge battery when on AC power. */
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int charger_discharge_on_ac(int enable);
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/* Other parameters that may be charger-specific, but are common so far. */
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int charger_set_input_current(int input_current);
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int charger_get_input_current(int *input_current);
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int charger_manufacturer_id(int *id);
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int charger_device_id(int *id);
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int charger_get_option(int *option);
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int charger_set_option(int option);
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#endif /* __CROS_EC_CHARGER_H */
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