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 temperature; 51 int time_to_empty; 52 int time_to_empty_avg; 53 int time_to_full; 54 int charge_full; 55 int cycle_count; 56 int capacity; 57 int energy; 58 int flags; 59 int health; 60 }; 61 62 struct bq27xxx_device_info { 63 struct device *dev; 64 int id; 65 enum bq27xxx_chip chip; 66 u32 opts; 67 const char *name; 68 struct bq27xxx_dm_reg *dm_regs; 69 u32 unseal_key; 70 struct bq27xxx_access_methods bus; 71 struct bq27xxx_reg_cache cache; 72 int charge_design_full; 73 bool removed; 74 unsigned long last_update; 75 union power_supply_propval last_status; 76 struct delayed_work work; 77 struct power_supply *bat; 78 struct list_head list; 79 struct mutex lock; 80 u8 *regs; 81 }; 82 83 void bq27xxx_battery_update(struct bq27xxx_device_info *di); 84 int bq27xxx_battery_setup(struct bq27xxx_device_info *di); 85 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di); 86 87 #endif 88