86 строки
2.3 KiB
C
86 строки
2.3 KiB
C
#ifndef __LINUX_BQ27X00_BATTERY_H__
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#define __LINUX_BQ27X00_BATTERY_H__
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enum bq27xxx_chip {
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BQ27000 = 1, /* bq27000, bq27200 */
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BQ27010, /* bq27010, bq27210 */
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BQ2750X, /* bq27500 deprecated alias */
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BQ2751X, /* bq27510, bq27520 deprecated alias */
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BQ27500, /* bq27500/1 */
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BQ27510G1, /* bq27510G1 */
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BQ27510G2, /* bq27510G2 */
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BQ27510G3, /* bq27510G3 */
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BQ27520G1, /* bq27520G1 */
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BQ27520G2, /* bq27520G2 */
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BQ27520G3, /* bq27520G3 */
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BQ27520G4, /* bq27520G4 */
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BQ27530, /* bq27530, bq27531 */
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BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
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BQ27545, /* bq27545 */
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BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
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};
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/**
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* struct bq27xxx_plaform_data - Platform data for bq27xxx devices
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* @name: Name of the battery.
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* @chip: Chip class number of this device.
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* @read: HDQ read callback.
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* This function should provide access to the HDQ bus the battery is
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* connected to.
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* The first parameter is a pointer to the battery device, the second the
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* register to be read. The return value should either be the content of
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* the passed register or an error value.
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*/
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struct bq27xxx_platform_data {
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const char *name;
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enum bq27xxx_chip chip;
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int (*read)(struct device *dev, unsigned int);
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};
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struct bq27xxx_device_info;
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struct bq27xxx_access_methods {
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int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
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int (*write)(struct bq27xxx_device_info *di, u8 reg, int value, bool single);
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int (*read_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
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int (*write_bulk)(struct bq27xxx_device_info *di, u8 reg, u8 *data, int len);
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};
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struct bq27xxx_reg_cache {
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int temperature;
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int time_to_empty;
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int time_to_empty_avg;
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int time_to_full;
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int charge_full;
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int cycle_count;
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int capacity;
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int energy;
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int flags;
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int power_avg;
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int health;
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};
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struct bq27xxx_device_info {
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struct device *dev;
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int id;
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enum bq27xxx_chip chip;
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bool ram_chip;
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const char *name;
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struct bq27xxx_dm_reg *dm_regs;
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u32 unseal_key;
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struct bq27xxx_access_methods bus;
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struct bq27xxx_reg_cache cache;
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int charge_design_full;
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unsigned long last_update;
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struct delayed_work work;
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struct power_supply *bat;
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struct list_head list;
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struct mutex lock;
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u8 *regs;
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};
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void bq27xxx_battery_update(struct bq27xxx_device_info *di);
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int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
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void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
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#endif
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