tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __LINUX_BQ27X00_BATTERY_H__
2#define __LINUX_BQ27X00_BATTERY_H__
3
4enum bq27xxx_chip {
5 BQ27000 = 1, /* bq27000, bq27200 */
6 BQ27010, /* bq27010, bq27210 */
7 BQ27500, /* bq27500, bq27510, bq27520 */
8 BQ27530, /* bq27530, bq27531 */
9 BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
10 BQ27545, /* bq27545 */
11 BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
12};
13
14/**
15 * struct bq27xxx_plaform_data - Platform data for bq27xxx devices
16 * @name: Name of the battery.
17 * @chip: Chip class number of this device.
18 * @read: HDQ read callback.
19 * This function should provide access to the HDQ bus the battery is
20 * connected to.
21 * The first parameter is a pointer to the battery device, the second the
22 * register to be read. The return value should either be the content of
23 * the passed register or an error value.
24 */
25struct bq27xxx_platform_data {
26 const char *name;
27 enum bq27xxx_chip chip;
28 int (*read)(struct device *dev, unsigned int);
29};
30
31struct bq27xxx_device_info;
32struct bq27xxx_access_methods {
33 int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
34};
35
36struct bq27xxx_reg_cache {
37 int temperature;
38 int time_to_empty;
39 int time_to_empty_avg;
40 int time_to_full;
41 int charge_full;
42 int cycle_count;
43 int capacity;
44 int energy;
45 int flags;
46 int power_avg;
47 int health;
48};
49
50struct bq27xxx_device_info {
51 struct device *dev;
52 int id;
53 enum bq27xxx_chip chip;
54 const char *name;
55 struct bq27xxx_access_methods bus;
56 struct bq27xxx_reg_cache cache;
57 int charge_design_full;
58 unsigned long last_update;
59 struct delayed_work work;
60 struct power_supply *bat;
61 struct mutex lock;
62 u8 *regs;
63};
64
65void bq27xxx_battery_update(struct bq27xxx_device_info *di);
66int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
67void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
68
69#endif