1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_BQ27X00_BATTERY_H__
3 #define __LINUX_BQ27X00_BATTERY_H__
4 
5 #include <linux/power_supply.h>
6 
7 enum bq27xxx_chip {
8 	BQ27000 = 1, /* bq27000, bq27200 */
9 	BQ27010, /* bq27010, bq27210 */
10 	BQ2750X, /* bq27500 deprecated alias */
11 	BQ2751X, /* bq27510, bq27520 deprecated alias */
12 	BQ2752X,
13 	BQ27500, /* bq27500/1 */
14 	BQ27510G1, /* bq27510G1 */
15 	BQ27510G2, /* bq27510G2 */
16 	BQ27510G3, /* bq27510G3 */
17 	BQ27520G1, /* bq27520G1 */
18 	BQ27520G2, /* bq27520G2 */
19 	BQ27520G3, /* bq27520G3 */
20 	BQ27520G4, /* bq27520G4 */
21 	BQ27521, /* bq27521 */
22 	BQ27530, /* bq27530, bq27531 */
23 	BQ27531,
24 	BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
25 	BQ27542,
26 	BQ27546,
27 	BQ27742,
28 	BQ27545, /* bq27545 */
29 	BQ27411,
30 	BQ27421, /* bq27421, bq27441, bq27621 */
31 	BQ27425,
32 	BQ27426,
33 	BQ27441,
34 	BQ27621,
35 	BQ27Z561,
36 	BQ28Z610,
37 	BQ34Z100,
38 	BQ78Z100,
39 };
40 
41 struct bq27xxx_device_info;
42 struct bq27xxx_access_methods {
43 	int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
44 	int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
45 	int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
46 	int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
47 };
48 
49 struct bq27xxx_reg_cache {
50 	int temperature;
51 	int time_to_empty;
52 	int time_to_empty_avg;
53 	int time_to_full;
54 	int charge_full;
55 	int cycle_count;
56 	int capacity;
57 	int energy;
58 	int flags;
59 	int health;
60 };
61 
62 struct bq27xxx_device_info {
63 	struct device *dev;
64 	int id;
65 	enum bq27xxx_chip chip;
66 	u32 opts;
67 	const char *name;
68 	struct bq27xxx_dm_reg *dm_regs;
69 	u32 unseal_key;
70 	struct bq27xxx_access_methods bus;
71 	struct bq27xxx_reg_cache cache;
72 	int charge_design_full;
73 	bool removed;
74 	unsigned long last_update;
75 	union power_supply_propval last_status;
76 	struct delayed_work work;
77 	struct power_supply *bat;
78 	struct list_head list;
79 	struct mutex lock;
80 	u8 *regs;
81 };
82 
83 void bq27xxx_battery_update(struct bq27xxx_device_info *di);
84 int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
85 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
86 
87 #endif
88