blob: 0ec8ab605ce35d305273b2a94c8cde7ff7687865 [file] [log] [blame]
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Mock battery charger driver.
*/
#include "battery_smart.h"
#include "charger.h"
#include "console.h"
#include "common.h"
#include "util.h"
static const struct charger_info mock_charger_info = {
.name = "MockCharger",
.voltage_max = 19200,
.voltage_min = 1024,
.voltage_step = 16,
.current_max = 8192,
.current_min = 128,
.current_step = 128,
.input_current_max = 8064,
.input_current_min = 128,
.input_current_step = 128,
};
#define OPTION_CHARGE_INHIBIT (1 << 0)
static uint32_t mock_option;
static uint32_t mock_mode;
static uint32_t mock_current;
static uint32_t mock_voltage;
static uint32_t mock_input_current;
const struct charger_info *charger_get_info(void)
{
return &mock_charger_info;
}
int charger_get_status(int *status)
{
*status = CHARGER_LEVEL_2;
if (mock_mode & CHARGE_FLAG_INHIBIT_CHARGE)
*status |= CHARGER_CHARGE_INHIBITED;
return EC_SUCCESS;
}
int charger_set_mode(int mode)
{
if (mode & CHARGE_FLAG_INHIBIT_CHARGE)
mock_mode |= OPTION_CHARGE_INHIBIT;
else
mock_mode &= ~OPTION_CHARGE_INHIBIT;
return EC_SUCCESS;
}
int charger_get_current(int *current)
{
*current = mock_current;
return EC_SUCCESS;
}
int charger_set_current(int current)
{
const struct charger_info *info = charger_get_info();
if (current > 0 && current < info->current_min)
current = info->current_min;
if (current > info->current_max)
current = info->current_max;
if (mock_current != current)
ccprintf("Charger set current: %d\n", current);
mock_current = current;
return EC_SUCCESS;
}
int charger_get_voltage(int *voltage)
{
*voltage = mock_voltage;
return EC_SUCCESS;
}
int charger_set_voltage(int voltage)
{
mock_voltage = voltage;
ccprintf("Charger set voltage: %d\n", voltage);
return EC_SUCCESS;
}
int charger_get_option(int *option)
{
*option = mock_option;
return EC_SUCCESS;
}
int charger_set_option(int option)
{
mock_option = option;
return EC_SUCCESS;
}
int charger_manufacturer_id(int *id)
{
return EC_SUCCESS;
}
int charger_device_id(int *id)
{
return EC_SUCCESS;
}
int charger_get_input_current(int *input_current)
{
*input_current = mock_input_current;
return EC_SUCCESS;
}
int charger_set_input_current(int current)
{
const struct charger_info *info = charger_get_info();
if (current < info->input_current_min)
current = info->input_current_min;
if (current > info->input_current_max)
current = info->input_current_max;
if (mock_input_current != current)
ccprintf("Charger set input current: %d\n", current);
mock_input_current = current;
return EC_SUCCESS;
}
int charger_post_init(void)
{
mock_current = mock_input_current = CONFIG_CHARGER_INPUT_CURRENT;
return EC_SUCCESS;
}