tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __LINUX_BQ27X00_BATTERY_H__
3#define __LINUX_BQ27X00_BATTERY_H__
4
5enum bq27xxx_chip {
6 BQ27000 = 1, /* bq27000, bq27200 */
7 BQ27010, /* bq27010, bq27210 */
8 BQ2750X, /* bq27500 deprecated alias */
9 BQ2751X, /* bq27510, bq27520 deprecated alias */
10 BQ2752X,
11 BQ27500, /* bq27500/1 */
12 BQ27510G1, /* bq27510G1 */
13 BQ27510G2, /* bq27510G2 */
14 BQ27510G3, /* bq27510G3 */
15 BQ27520G1, /* bq27520G1 */
16 BQ27520G2, /* bq27520G2 */
17 BQ27520G3, /* bq27520G3 */
18 BQ27520G4, /* bq27520G4 */
19 BQ27521, /* bq27521 */
20 BQ27530, /* bq27530, bq27531 */
21 BQ27531,
22 BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
23 BQ27542,
24 BQ27546,
25 BQ27742,
26 BQ27545, /* bq27545 */
27 BQ27411,
28 BQ27421, /* bq27421, bq27441, bq27621 */
29 BQ27425,
30 BQ27426,
31 BQ27441,
32 BQ27621,
33};
34
35struct bq27xxx_device_info;
36struct bq27xxx_access_methods {
37 int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
38 int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
39 int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
40 int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
41};
42
43struct bq27xxx_reg_cache {
44 int temperature;
45 int time_to_empty;
46 int time_to_empty_avg;
47 int time_to_full;
48 int charge_full;
49 int cycle_count;
50 int capacity;
51 int energy;
52 int flags;
53 int power_avg;
54 int health;
55};
56
57struct bq27xxx_device_info {
58 struct device *dev;
59 int id;
60 enum bq27xxx_chip chip;
61 u32 opts;
62 const char *name;
63 struct bq27xxx_dm_reg *dm_regs;
64 u32 unseal_key;
65 struct bq27xxx_access_methods bus;
66 struct bq27xxx_reg_cache cache;
67 int charge_design_full;
68 unsigned long last_update;
69 struct delayed_work work;
70 struct power_supply *bat;
71 struct list_head list;
72 struct mutex lock;
73 u8 *regs;
74};
75
76void bq27xxx_battery_update(struct bq27xxx_device_info *di);
77int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
78void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
79
80#endif