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 capacity;
51 int flags;
52 };
53
54 struct 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 bool removed;
65 unsigned long last_update;
66 union power_supply_propval last_status;
67 struct delayed_work work;
68 struct power_supply *bat;
69 struct list_head list;
70 struct mutex lock;
71 u8 *regs;
72 };
73
74 void bq27xxx_battery_update(struct bq27xxx_device_info *di);
75 int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
76 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
77 extern const struct dev_pm_ops bq27xxx_battery_battery_pm_ops;
78
79 #endif
80
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