bq27xxx_battery.h

 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
 7enum 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
41struct bq27xxx_device_info;
42struct 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
49struct bq27xxx_reg_cache {
50	int capacity;
51	int flags;
52};
53
54struct bq27xxx_device_info {
55	struct device *dev;
56	enum bq27xxx_chip chip;
57	u32 opts;
58	const char *name;
59	struct bq27xxx_dm_reg *dm_regs;
60	u32 unseal_key;
61	struct bq27xxx_access_methods bus;
62	struct bq27xxx_reg_cache cache;
63	int charge_design_full;
64	int voltage_min_design;
65	int voltage_max_design;
66	bool removed;
67	unsigned long last_update;
68	union power_supply_propval last_status;
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);
79extern const struct dev_pm_ops bq27xxx_battery_battery_pm_ops;
80
81#endif