linux/power/bq27xxx_battery.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __LINUX_BQ27X00_BATTERY_H__
0003 #define __LINUX_BQ27X00_BATTERY_H__
0004
0005 enum bq27xxx_chip {
0006     BQ27000 = 1, /* bq27000, bq27200 */
0007     BQ27010, /* bq27010, bq27210 */
0008     BQ2750X, /* bq27500 deprecated alias */
0009     BQ2751X, /* bq27510, bq27520 deprecated alias */
0010     BQ2752X,
0011     BQ27500, /* bq27500/1 */
0012     BQ27510G1, /* bq27510G1 */
0013     BQ27510G2, /* bq27510G2 */
0014     BQ27510G3, /* bq27510G3 */
0015     BQ27520G1, /* bq27520G1 */
0016     BQ27520G2, /* bq27520G2 */
0017     BQ27520G3, /* bq27520G3 */
0018     BQ27520G4, /* bq27520G4 */
0019     BQ27521, /* bq27521 */
0020     BQ27530, /* bq27530, bq27531 */
0021     BQ27531,
0022     BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
0023     BQ27542,
0024     BQ27546,
0025     BQ27742,
0026     BQ27545, /* bq27545 */
0027     BQ27411,
0028     BQ27421, /* bq27421, bq27441, bq27621 */
0029     BQ27425,
0030     BQ27426,
0031     BQ27441,
0032     BQ27621,
0033     BQ27Z561,
0034     BQ28Z610,
0035     BQ34Z100,
0036     BQ78Z100,
0037 };
0038
0039 struct bq27xxx_device_info;
0040 struct bq27xxx_access_methods {
0041     int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
0042     int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
0043     int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
0044     int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
0045 };
0046
0047 struct bq27xxx_reg_cache {
0048     int temperature;
0049     int time_to_empty;
0050     int time_to_empty_avg;
0051     int time_to_full;
0052     int charge_full;
0053     int cycle_count;
0054     int capacity;
0055     int energy;
0056     int flags;
0057     int health;
0058 };
0059
0060 struct bq27xxx_device_info {
0061     struct device *dev;
0062     int id;
0063     enum bq27xxx_chip chip;
0064     u32 opts;
0065     const char *name;
0066     struct bq27xxx_dm_reg *dm_regs;
0067     u32 unseal_key;
0068     struct bq27xxx_access_methods bus;
0069     struct bq27xxx_reg_cache cache;
0070     int charge_design_full;
0071     unsigned long last_update;
0072     struct delayed_work work;
0073     struct power_supply *bat;
0074     struct list_head list;
0075     struct mutex lock;
0076     u8 *regs;
0077 };
0078
0079 void bq27xxx_battery_update(struct bq27xxx_device_info *di);
0080 int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
0081 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
0082
0083 #endif