xref: /OK3568_Linux_fs/kernel/include/linux/power/cw2015_battery.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Fuel gauge driver for CellWise 2013 / 2015
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (C) 2012, RockChip
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Authors: xuhuicong <xhc@rock-chips.com>
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * Based on rk30_adc_battery.c
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun  * This program is free software; you can redistribute it and/or modify
11*4882a593Smuzhiyun  * it under the terms of the GNU General Public License version 2 as
12*4882a593Smuzhiyun  * published by the Free Software Foundation.
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  */
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #ifndef CW2015_BATTERY_H
17*4882a593Smuzhiyun #define CW2015_BATTERY_H
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #define SIZE_BATINFO    64
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #define CW2015_GPIO_HIGH  1
22*4882a593Smuzhiyun #define CW2015_GPIO_LOW   0
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #define REG_VERSION             0x0
25*4882a593Smuzhiyun #define REG_VCELL               0x2
26*4882a593Smuzhiyun #define REG_SOC                 0x4
27*4882a593Smuzhiyun #define REG_RRT_ALERT           0x6
28*4882a593Smuzhiyun #define REG_CONFIG              0x8
29*4882a593Smuzhiyun #define REG_MODE                0xA
30*4882a593Smuzhiyun #define REG_BATINFO             0x10
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun #define MODE_SLEEP_MASK         (0x3<<6)
33*4882a593Smuzhiyun #define MODE_SLEEP              (0x3<<6)
34*4882a593Smuzhiyun #define MODE_NORMAL             (0x0<<6)
35*4882a593Smuzhiyun #define MODE_QUICK_START        (0x3<<4)
36*4882a593Smuzhiyun #define MODE_RESTART            (0xf<<0)
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #define CONFIG_UPDATE_FLG       (0x1<<1)
39*4882a593Smuzhiyun #define ATHD                    (0x0<<3)
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun #define CW_I2C_SPEED			100000
42*4882a593Smuzhiyun #define BATTERY_UP_MAX_CHANGE		(420 * 1000)
43*4882a593Smuzhiyun #define BATTERY_DOWN_MAX_CHANGE		(120 * 1000)
44*4882a593Smuzhiyun #define BATTERY_DOWN_CHANGE		60
45*4882a593Smuzhiyun #define BATTERY_DOWN_MIN_CHANGE_RUN	30
46*4882a593Smuzhiyun #define BATTERY_DOWN_MIN_CHANGE_SLEEP	1800
47*4882a593Smuzhiyun #define BATTERY_JUMP_TO_ZERO		(30 * 1000)
48*4882a593Smuzhiyun #define BATTERY_CAPACITY_ERROR		(40 * 1000)
49*4882a593Smuzhiyun #define BATTERY_CHARGING_ZERO		(1800 * 1000)
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #define DOUBLE_SERIES_BATTERY	0
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #define CHARGING_ON		1
54*4882a593Smuzhiyun #define NO_CHARGING		0
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun #define BATTERY_DOWN_MAX_CHANGE_RUN_AC_ONLINE 3600
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun #define NO_STANDARD_AC_BIG_CHARGE_MODE 1
59*4882a593Smuzhiyun /* #define SYSTEM_SHUTDOWN_VOLTAGE  3400000 */
60*4882a593Smuzhiyun #define BAT_LOW_INTERRUPT    1
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun #define USB_CHARGER_MODE        1
63*4882a593Smuzhiyun #define AC_CHARGER_MODE         2
64*4882a593Smuzhiyun #define   CW_QUICKSTART         0
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun #define TIMER_MS_COUNTS			1000
67*4882a593Smuzhiyun #define DEFAULT_MONITOR_SEC		8
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun /* virtual params */
70*4882a593Smuzhiyun #define VIRTUAL_CURRENT			1000
71*4882a593Smuzhiyun #define VIRTUAL_VOLTAGE			3888
72*4882a593Smuzhiyun #define VIRTUAL_SOC			66
73*4882a593Smuzhiyun #define VIRTUAL_PRESET			1
74*4882a593Smuzhiyun #define VIRTUAL_TEMPERATURE		188
75*4882a593Smuzhiyun #define VIRTUAL_TIME2EMPTY		60
76*4882a593Smuzhiyun #define VIRTUAL_STATUS			POWER_SUPPLY_STATUS_CHARGING
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun enum bat_mode {
79*4882a593Smuzhiyun 	MODE_BATTARY = 0,
80*4882a593Smuzhiyun 	MODE_VIRTUAL,
81*4882a593Smuzhiyun };
82*4882a593Smuzhiyun 
83*4882a593Smuzhiyun struct cw_bat_platform_data {
84*4882a593Smuzhiyun 	int divider_res1;
85*4882a593Smuzhiyun 	int divider_res2;
86*4882a593Smuzhiyun 	u32 *cw_bat_config_info;
87*4882a593Smuzhiyun 	int design_capacity;
88*4882a593Smuzhiyun };
89*4882a593Smuzhiyun 
90*4882a593Smuzhiyun struct cw_battery {
91*4882a593Smuzhiyun 	struct i2c_client *client;
92*4882a593Smuzhiyun 	struct workqueue_struct *battery_workqueue;
93*4882a593Smuzhiyun 	struct delayed_work battery_delay_work;
94*4882a593Smuzhiyun 	struct cw_bat_platform_data plat_data;
95*4882a593Smuzhiyun 
96*4882a593Smuzhiyun 	struct power_supply *rk_bat;
97*4882a593Smuzhiyun 
98*4882a593Smuzhiyun 	struct power_supply *chrg_usb_psy;
99*4882a593Smuzhiyun 	struct power_supply *chrg_ac_psy;
100*4882a593Smuzhiyun 
101*4882a593Smuzhiyun #ifdef CONFIG_PM
102*4882a593Smuzhiyun 	struct timespec suspend_time_before;
103*4882a593Smuzhiyun 	struct timespec after;
104*4882a593Smuzhiyun 	int suspend_resume_mark;
105*4882a593Smuzhiyun #endif
106*4882a593Smuzhiyun 	int charger_mode;
107*4882a593Smuzhiyun 	int capacity;
108*4882a593Smuzhiyun 	int voltage;
109*4882a593Smuzhiyun 	int status;
110*4882a593Smuzhiyun 	int time_to_empty;
111*4882a593Smuzhiyun 	int alt;
112*4882a593Smuzhiyun 	u32 monitor_sec;
113*4882a593Smuzhiyun 	u32 bat_mode;
114*4882a593Smuzhiyun 	int bat_change;
115*4882a593Smuzhiyun 	bool dual_battery;
116*4882a593Smuzhiyun 	int charge_count;
117*4882a593Smuzhiyun };
118*4882a593Smuzhiyun 
119*4882a593Smuzhiyun #endif
120