include/linux/power/bq27xxx_battery.h

   1 #ifndef __LINUX_BQ27X00_BATTERY_H__
   2 #define __LINUX_BQ27X00_BATTERY_H__
   3
   4 enum bq27xxx_chip {
   5         BQ27000 = 1, /* bq27000, bq27200 */
   6         BQ27010, /* bq27010, bq27210 */
   7         BQ2750X, /* bq27500 deprecated alias */
   8         BQ2751X, /* bq27510, bq27520 deprecated alias */
   9         BQ27500, /* bq27500/1 */
  10         BQ27510G1, /* bq27510G1 */
  11         BQ27510G2, /* bq27510G2 */
  12         BQ27510G3, /* bq27510G3 */
  13         BQ27520G1, /* bq27520G1 */
  14         BQ27520G2, /* bq27520G2 */
  15         BQ27530, /* bq27530, bq27531 */
  16         BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
  17         BQ27545, /* bq27545 */
  18         BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
  19 };
  20
  21 /**
  22  * struct bq27xxx_plaform_data - Platform data for bq27xxx devices
  23  * @name: Name of the battery.
  24  * @chip: Chip class number of this device.
  25  * @read: HDQ read callback.
  26  *      This function should provide access to the HDQ bus the battery is
  27  *      connected to.
  28  *      The first parameter is a pointer to the battery device, the second the
  29  *      register to be read. The return value should either be the content of
  30  *      the passed register or an error value.
  31  */
  32 struct bq27xxx_platform_data {
  33         const char *name;
  34         enum bq27xxx_chip chip;
  35         int (*read)(struct device *dev, unsigned int);
  36 };
  37
  38 struct bq27xxx_device_info;
  39 struct bq27xxx_access_methods {
  40         int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
  41 };
  42
  43 struct bq27xxx_reg_cache {
  44         int temperature;
  45         int time_to_empty;
  46         int time_to_empty_avg;
  47         int time_to_full;
  48         int charge_full;
  49         int cycle_count;
  50         int capacity;
  51         int energy;
  52         int flags;
  53         int power_avg;
  54         int health;
  55 };
  56
  57 struct bq27xxx_device_info {
  58         struct device *dev;
  59         int id;
  60         enum bq27xxx_chip chip;
  61         const char *name;
  62         struct bq27xxx_access_methods bus;
  63         struct bq27xxx_reg_cache cache;
  64         int charge_design_full;
  65         unsigned long last_update;
  66         struct delayed_work work;
  67         struct power_supply *bat;
  68         struct list_head list;
  69         struct mutex lock;
  70         u8 *regs;
  71 };
  72
  73 void bq27xxx_battery_update(struct bq27xxx_device_info *di);
  74 int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
  75 void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
  76
  77 #endif