LXR linux/include/linux/power/bq27xxx

   1#ifndef __LINUX_BQ27X00_BATTERY_H__
   2#define __LINUX_BQ27X00_BATTERY_H__
   3
   4enum 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        BQ27520G3, /* bq27520G3 */
  16        BQ27520G4, /* bq27520G4 */
  17        BQ27530, /* bq27530, bq27531 */
  18        BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
  19        BQ27545, /* bq27545 */
  20        BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
  21};
  22
  23/**
  24 * struct bq27xxx_plaform_data - Platform data for bq27xxx devices
  25 * @name: Name of the battery.
  26 * @chip: Chip class number of this device.
  27 * @read: HDQ read callback.
  28 *      This function should provide access to the HDQ bus the battery is
  29 *      connected to.
  30 *      The first parameter is a pointer to the battery device, the second the
  31 *      register to be read. The return value should either be the content of
  32 *      the passed register or an error value.
  33 */
  34struct bq27xxx_platform_data {
  35        const char *name;
  36        enum bq27xxx_chip chip;
  37        int (*read)(struct device *dev, unsigned int);
  38};
  39
  40struct bq27xxx_device_info;
  41struct bq27xxx_access_methods {
  42        int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
  43        int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
  44        int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
  45        int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
  46};
  47
  48struct bq27xxx_reg_cache {
  49        int temperature;
  50        int time_to_empty;
  51        int time_to_empty_avg;
  52        int time_to_full;
  53        int charge_full;
  54        int cycle_count;
  55        int capacity;
  56        int energy;
  57        int flags;
  58        int power_avg;
  59        int health;
  60};
  61
  62struct bq27xxx_device_info {
  63        struct device *dev;
  64        int id;
  65        enum bq27xxx_chip chip;
  66        bool ram_chip;
  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        unsigned long last_update;
  74        struct delayed_work work;
  75        struct power_supply *bat;
  76        struct list_head list;
  77        struct mutex lock;
  78        u8 *regs;
  79};
  80
  81void bq27xxx_battery_update(struct bq27xxx_device_info *di);
  82int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
  83void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
  84
  85#endif
  86