1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_BQ27X00_BATTERY_H__
3 #define __LINUX_BQ27X00_BATTERY_H__
4 
5 enum 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 	BQ27421, /* bq27421, bq27441, bq27621 */
28 	BQ27425,
29 	BQ27426,
30 	BQ27441,
31 	BQ27621,
32 };
33 
34 struct bq27xxx_device_info;
35 struct bq27xxx_access_methods {
36 	int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
37 	int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
38 	int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
39 	int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
40 };
41 
42 struct bq27xxx_reg_cache {
43 	int temperature;
44 	int time_to_empty;
45 	int time_to_empty_avg;
46 	int time_to_full;
47 	int charge_full;
48 	int cycle_count;
49 	int capacity;
50 	int energy;
51 	int flags;
52 	int power_avg;
53 	int health;
54 };
55 
56 struct bq27xxx_device_info {
57 	struct device *dev;
58 	int id;
59 	enum bq27xxx_chip chip;
60 	u32 opts;
61 	const char *name;
62 	struct bq27xxx_dm_reg *dm_regs;
63 	u32 unseal_key;
64 	struct bq27xxx_access_methods bus;
65 	struct bq27xxx_reg_cache cache;
66 	int charge_design_full;
67 	unsigned long last_update;
68 	struct delayed_work work;
69 	struct power_supply *bat;
70 	struct list_head list;
71 	struct mutex lock;
72 	u8 *regs;
73 };
74 
75 void bq27xxx_battery_update(struct bq27xxx_device_info *di);
76 int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
77 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
78 
79 #endif
80