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/* Copyright (c) 2014 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.
*
* Battery pack vendor provided charging profile
*/
#include "battery.h"
#include "battery_smart.h"
#include "gpio.h"
#include "host_command.h"
#define SB_SHIP_MODE_ADDR 0x3a
#define SB_SHIP_MODE_DATA 0xc574
/* Values for 48Wh 4UAF495780-1-T1186/AC011353-PRR14G01 battery */
static const struct battery_info info_4s1p = {
.voltage_max = 17200,
.voltage_normal = 15200, /* Average of max & min */
.voltage_min = 12000,
/* Pre-charge values. */
.precharge_current = 256, /* mA */
.start_charging_min_c = 0,
.start_charging_max_c = 50,
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = 0,
.discharging_max_c = 40,
};
/* Values for 54Wh LIS3091ACPC(SYS6)/AC011401-PRR13G01 battery */
static const struct battery_info info_3s1p = {
.voltage_max = 12600,
.voltage_normal = 11100, /* Average of max & min */
.voltage_min = 9000,
/* Pre-charge values. */
.precharge_current = 256, /* mA */
.start_charging_min_c = 0,
.start_charging_max_c = 50,
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = 0,
.discharging_max_c = 75,
};
const struct battery_info *battery_get_info(void)
{
if (gpio_get_level(GPIO_BAT_ID))
return &info_3s1p;
else
return &info_4s1p;
}
int board_cut_off_battery(void)
{
return sb_write(SB_SHIP_MODE_ADDR, SB_SHIP_MODE_DATA);
}
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