blob: de9685a89d7a5a9be3285cf3388b0d2167181a34 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* Copyright 2016 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 "util.h"
/* Shutdown mode parameter to write to manufacturer access register */
#define SB_SHIP_MODE_REG 0x3a
#define SB_SHUTDOWN_DATA 0xC574
static const struct battery_info info = {
.voltage_max = 13200,
.voltage_normal = 11550,
.voltage_min = 9100,
/* 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 = 60,
};
const struct battery_info *battery_get_info(void)
{
return &info;
}
int board_cut_off_battery(void)
{
int rv;
/* Ship mode command must be sent twice to take effect */
rv = sb_write(SB_SHIP_MODE_REG, SB_SHUTDOWN_DATA);
if (rv != EC_SUCCESS)
return rv;
return sb_write(SB_SHIP_MODE_REG, SB_SHUTDOWN_DATA);
}
|
