blob: d32436ab81ffb95144abfcb1630777dbb461b3af (
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
|
/* 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.
*/
#ifndef __CHARGE_MANAGER_H
#define __CHARGE_MANAGER_H
/* Charge port that indicates no active port */
#define CHARGE_SUPPLIER_NONE -1
#define CHARGE_PORT_NONE -1
#define CHARGE_CEIL_NONE -1
/* Initial charge state */
#define CHARGE_CURRENT_UNINITIALIZED -1
#define CHARGE_VOLTAGE_UNINITIALIZED -1
#define POWER(charge_port) ((charge_port.current) * (charge_port.voltage))
/* Charge tasks report available current and voltage */
struct charge_port_info {
int current;
int voltage;
};
/* Called by charging tasks to update their available charge */
void charge_manager_update(int supplier,
int charge_port,
struct charge_port_info *charge);
/* Update charge ceiling for a given port */
void charge_manager_set_ceil(int port, int ceil);
/* Returns the current active charge port, as determined by charge manager */
int charge_manager_get_active_charge_port(void);
#endif /* __CHARGE_MANAGER_H */
|