[mirror_ubuntu-artful-kernel.git] / include / linux / power / bq27xxx_battery.h

#ifndef __LINUX_BQ27X00_BATTERY_H__
#define __LINUX_BQ27X00_BATTERY_H__

enum bq27xxx_chip {
	BQ27000 = 1, /* bq27000, bq27200 */
	BQ27010, /* bq27010, bq27210 */
	BQ27500, /* bq27500, bq27510, bq27520 */
	BQ27530, /* bq27530, bq27531 */
	BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
	BQ27545, /* bq27545 */
	BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
};

/**
 * struct bq27xxx_plaform_data - Platform data for bq27xxx devices
 * @name: Name of the battery.
 * @chip: Chip class number of this device.
 * @read: HDQ read callback.
 *	This function should provide access to the HDQ bus the battery is
 *	connected to.
 *	The first parameter is a pointer to the battery device, the second the
 *	register to be read. The return value should either be the content of
 *	the passed register or an error value.
 */
struct bq27xxx_platform_data {
	const char *name;
	enum bq27xxx_chip chip;
	int (*read)(struct device *dev, unsigned int);
};

struct bq27xxx_device_info;
struct bq27xxx_access_methods {
	int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
};

struct bq27xxx_reg_cache {
	int temperature;
	int time_to_empty;
	int time_to_empty_avg;
	int time_to_full;
	int charge_full;
	int cycle_count;
	int capacity;
	int energy;
	int flags;
	int power_avg;
	int health;
};

struct bq27xxx_device_info {
	struct device *dev;
	int id;
	enum bq27xxx_chip chip;
	const char *name;
	struct bq27xxx_access_methods bus;
	struct bq27xxx_reg_cache cache;
	int charge_design_full;
	unsigned long last_update;
	struct delayed_work work;
	struct power_supply *bat;
	struct mutex lock;
	u8 *regs;
};

void bq27xxx_battery_update(struct bq27xxx_device_info *di);
int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);

#endif
Commit	Line	Data
7fb7ba58 LPC	1	#ifndef __LINUX_BQ27X00_BATTERY_H__
	2	#define __LINUX_BQ27X00_BATTERY_H__
	3
703df6c0 AD	4	enum bq27xxx_chip {
	5	BQ27000 = 1, /* bq27000, bq27200 */
	6	BQ27010, /* bq27010, bq27210 */
	7	BQ27500, /* bq27500, bq27510, bq27520 */
	8	BQ27530, /* bq27530, bq27531 */
	9	BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
	10	BQ27545, /* bq27545 */
	11	BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
	12	};
	13
7fb7ba58	14	/**
081bab21	15	* struct bq27xxx_plaform_data - Platform data for bq27xxx devices
424cfde4 AD	16	* @name: Name of the battery.
424cfde4 AD	17	* @chip: Chip class number of this device.
7fb7ba58 LPC	18	* @read: HDQ read callback.
	19	* This function should provide access to the HDQ bus the battery is
	20	* connected to.
	21	* The first parameter is a pointer to the battery device, the second the
	22	* register to be read. The return value should either be the content of
	23	* the passed register or an error value.
	24	*/
081bab21	25	struct bq27xxx_platform_data {
7fb7ba58	26	const char *name;
424cfde4	27	enum bq27xxx_chip chip;
7fb7ba58 LPC	28	int (read)(struct device dev, unsigned int);
	29	};
	30
703df6c0 AD	31	struct bq27xxx_device_info;
	32	struct bq27xxx_access_methods {
	33	int (read)(struct bq27xxx_device_info di, u8 reg, bool single);
	34	};
	35
	36	struct bq27xxx_reg_cache {
	37	int temperature;
	38	int time_to_empty;
	39	int time_to_empty_avg;
	40	int time_to_full;
	41	int charge_full;
	42	int cycle_count;
	43	int capacity;
	44	int energy;
	45	int flags;
	46	int power_avg;
	47	int health;
	48	};
	49
	50	struct bq27xxx_device_info {
	51	struct device *dev;
9aafabc7	52	int id;
703df6c0 AD	53	enum bq27xxx_chip chip;
	54	const char *name;
	55	struct bq27xxx_access_methods bus;
	56	struct bq27xxx_reg_cache cache;
	57	int charge_design_full;
	58	unsigned long last_update;
	59	struct delayed_work work;
	60	struct power_supply *bat;
	61	struct mutex lock;
	62	u8 *regs;
	63	};
	64
	65	void bq27xxx_battery_update(struct bq27xxx_device_info *di);
	66	int bq27xxx_battery_setup(struct bq27xxx_device_info *di);
	67	void bq27xxx_battery_teardown(struct bq27xxx_device_info *di);
	68
7fb7ba58	69	#endif