1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_BQ27X00_BATTERY_H__
3 #define __LINUX_BQ27X00_BATTERY_H__
5 #include <linux/power_supply.h>
8 BQ27000 = 1, /* bq27000, bq27200 */
9 BQ27010, /* bq27010, bq27210 */
10 BQ2750X, /* bq27500 deprecated alias */
11 BQ2751X, /* bq27510, bq27520 deprecated alias */
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 */
24 BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
28 BQ27545, /* bq27545 */
30 BQ27421, /* bq27421, bq27441, bq27621 */
40 struct bq27xxx_device_info;
41 struct bq27xxx_access_methods {
42 int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
43 int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
44 int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
45 int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
48 struct bq27xxx_reg_cache {
51 int time_to_empty_avg;
61 struct bq27xxx_device_info {
64 enum bq27xxx_chip chip;
67 struct bq27xxx_dm_reg *dm_regs;
69 struct bq27xxx_access_methods bus;
70 struct bq27xxx_reg_cache cache;
71 int charge_design_full;
73 unsigned long last_update;
74 union power_supply_propval last_status;
75 struct delayed_work work;
76 struct power_supply *bat;
77 struct list_head list;
82 void bq27xxx_battery_update(struct bq27xxx_device_info *di);
83 int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
84 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);