LXR linux/include/linux/power/bq27xxx

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __LINUX_BQ27X00_BATTERY_H__
   3#define __LINUX_BQ27X00_BATTERY_H__
   4
   5enum 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, bq27441, bq27621 */
  28        BQ27425,
  29        BQ27426,
  30        BQ27441,
  31        BQ27621,
  32};
  33
  34struct bq27xxx_device_info;
  35struct bq27xxx_access_methods {
  36        int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
  37        int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
  38        int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
  39        int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
  40};
  41
  42struct bq27xxx_reg_cache {
  43        int temperature;
  44        int time_to_empty;
  45        int time_to_empty_avg;
  46        int time_to_full;
  47        int charge_full;
  48        int cycle_count;
  49        int capacity;
  50        int energy;
  51        int flags;
  52        int power_avg;
  53        int health;
  54};
  55
  56struct bq27xxx_device_info {
  57        struct device *dev;
  58        int id;
  59        enum bq27xxx_chip chip;
  60        u32 opts;
  61        const char *name;
  62        struct bq27xxx_dm_reg *dm_regs;
  63        u32 unseal_key;
  64        struct bq27xxx_access_methods bus;
  65        struct bq27xxx_reg_cache cache;
  66        int charge_design_full;
  67        unsigned long last_update;
  68        struct delayed_work work;
  69        struct power_supply *bat;
  70        struct list_head list;
  71        struct mutex lock;
  72        u8 *regs;
  73};
  74
  75void bq27xxx_battery_update(struct bq27xxx_device_info *di);
  76int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
  77void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
  78
  79#endif
  80