include/linux/power/bq27xxx_battery.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __LINUX_BQ27X00_BATTERY_H__
   3 #define __LINUX_BQ27X00_BATTERY_H__
   4
   5 enum bq27xxx_chip {
   6         BQ27000 = 1, /* bq27000, bq27200 */
   7         BQ27010, /* bq27010, bq27210 */
   8         BQ2750X, /* bq27500 deprecated alias */
   9         BQ2751X, /* bq27510, bq27520 deprecated alias */
  10         BQ2752X,
  11         BQ27500, /* bq27500/1 */
  12         BQ27510G1, /* bq27510G1 */
  13         BQ27510G2, /* bq27510G2 */
  14         BQ27510G3, /* bq27510G3 */
  15         BQ27520G1, /* bq27520G1 */
  16         BQ27520G2, /* bq27520G2 */
  17         BQ27520G3, /* bq27520G3 */
  18         BQ27520G4, /* bq27520G4 */
  19         BQ27521, /* bq27521 */
  20         BQ27530, /* bq27530, bq27531 */
  21         BQ27531,
  22         BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
  23         BQ27542,
  24         BQ27546,
  25         BQ27742,
  26         BQ27545, /* bq27545 */
  27         BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
  28         BQ27425,
  29         BQ27441,
  30         BQ27621,
  31 };
  32
  33 struct bq27xxx_device_info;
  34 struct bq27xxx_access_methods {
  35         int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
  36         int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
  37         int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
  38         int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
  39 };
  40
  41 struct bq27xxx_reg_cache {
  42         int temperature;
  43         int time_to_empty;
  44         int time_to_empty_avg;
  45         int time_to_full;
  46         int charge_full;
  47         int cycle_count;
  48         int capacity;
  49         int energy;
  50         int flags;
  51         int power_avg;
  52         int health;
  53 };
  54
  55 struct bq27xxx_device_info {
  56         struct device *dev;
  57         int id;
  58         enum bq27xxx_chip chip;
  59         u32 opts;
  60         const char *name;
  61         struct bq27xxx_dm_reg *dm_regs;
  62         u32 unseal_key;
  63         struct bq27xxx_access_methods bus;
  64         struct bq27xxx_reg_cache cache;
  65         int charge_design_full;
  66         unsigned long last_update;
  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
  78 #endif