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linux/drivers/power/supply/samsung-sdi-battery.c

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power: supply: Static data for Samsung batteries If we detect a Samsung SDI battery, we return a static struct power_supply_battery_info and avoid looking further. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-02-26 02:28:00 +03:00
// SPDX-License-Identifier: GPL-2.0
/*
* Battery data and characteristics for Samsung SDI (Samsung Digital Interface)
* batteries. The data is retrieved automatically into drivers using
* the power_supply_get_battery_info() call.
*
* The BTI (battery type indicator) resistance in the code drops was very
* unreliable. The resistance listed here was obtained by simply measuring
* the BTI resistance with a multimeter on the battery.
*/
#include <linux/module.h>
#include <linux/power_supply.h>
#include "samsung-sdi-battery.h"
struct samsung_sdi_battery {
char *compatible;
char *name;
struct power_supply_battery_info info;
};
/*
* Voltage to internal resistance tables. The internal resistance varies
* depending on the VBAT voltage, so look this up from a table. Different
* tables apply depending on whether we are charging or not.
*/
static struct power_supply_vbat_ri_table samsung_vbat2res_discharging_eb_l1m7flu[] = {
{ .vbat_uv = 4240000, .ri_uohm = 160000 },
{ .vbat_uv = 4210000, .ri_uohm = 179000 },
{ .vbat_uv = 4180000, .ri_uohm = 183000 },
{ .vbat_uv = 4160000, .ri_uohm = 184000 },
{ .vbat_uv = 4140000, .ri_uohm = 191000 },
{ .vbat_uv = 4120000, .ri_uohm = 204000 },
{ .vbat_uv = 4076000, .ri_uohm = 220000 },
{ .vbat_uv = 4030000, .ri_uohm = 227000 },
{ .vbat_uv = 3986000, .ri_uohm = 215000 },
{ .vbat_uv = 3916000, .ri_uohm = 221000 },
{ .vbat_uv = 3842000, .ri_uohm = 259000 },
{ .vbat_uv = 3773000, .ri_uohm = 287000 },
{ .vbat_uv = 3742000, .ri_uohm = 283000 },
{ .vbat_uv = 3709000, .ri_uohm = 277000 },
{ .vbat_uv = 3685000, .ri_uohm = 297000 },
{ .vbat_uv = 3646000, .ri_uohm = 310000 },
{ .vbat_uv = 3616000, .ri_uohm = 331000 },
{ .vbat_uv = 3602000, .ri_uohm = 370000 },
{ .vbat_uv = 3578000, .ri_uohm = 350000 },
{ .vbat_uv = 3553000, .ri_uohm = 321000 },
{ .vbat_uv = 3503000, .ri_uohm = 322000 },
{ .vbat_uv = 3400000, .ri_uohm = 269000 },
{ .vbat_uv = 3360000, .ri_uohm = 328000 },
{ .vbat_uv = 3330000, .ri_uohm = 305000 },
{ .vbat_uv = 3300000, .ri_uohm = 339000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_charging_eb_l1m7flu[] = {
{ .vbat_uv = 4302000, .ri_uohm = 230000 },
{ .vbat_uv = 4276000, .ri_uohm = 345000 },
{ .vbat_uv = 4227000, .ri_uohm = 345000 },
{ .vbat_uv = 4171000, .ri_uohm = 346000 },
{ .vbat_uv = 4134000, .ri_uohm = 311000 },
{ .vbat_uv = 4084000, .ri_uohm = 299000 },
{ .vbat_uv = 4052000, .ri_uohm = 316000 },
{ .vbat_uv = 4012000, .ri_uohm = 309000 },
{ .vbat_uv = 3961000, .ri_uohm = 303000 },
{ .vbat_uv = 3939000, .ri_uohm = 280000 },
{ .vbat_uv = 3904000, .ri_uohm = 261000 },
{ .vbat_uv = 3850000, .ri_uohm = 212000 },
{ .vbat_uv = 3800000, .ri_uohm = 232000 },
{ .vbat_uv = 3750000, .ri_uohm = 177000 },
{ .vbat_uv = 3712000, .ri_uohm = 164000 },
{ .vbat_uv = 3674000, .ri_uohm = 161000 },
{ .vbat_uv = 3590000, .ri_uohm = 164000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_discharging_eb425161la[] = {
{ .vbat_uv = 4240000, .ri_uohm = 160000 },
{ .vbat_uv = 4210000, .ri_uohm = 179000 },
{ .vbat_uv = 4180000, .ri_uohm = 183000 },
{ .vbat_uv = 4160000, .ri_uohm = 184000 },
{ .vbat_uv = 4140000, .ri_uohm = 191000 },
{ .vbat_uv = 4120000, .ri_uohm = 204000 },
{ .vbat_uv = 4080000, .ri_uohm = 200000 },
{ .vbat_uv = 4027000, .ri_uohm = 202000 },
{ .vbat_uv = 3916000, .ri_uohm = 221000 },
{ .vbat_uv = 3842000, .ri_uohm = 259000 },
{ .vbat_uv = 3800000, .ri_uohm = 262000 },
{ .vbat_uv = 3742000, .ri_uohm = 263000 },
{ .vbat_uv = 3709000, .ri_uohm = 277000 },
{ .vbat_uv = 3685000, .ri_uohm = 312000 },
{ .vbat_uv = 3668000, .ri_uohm = 258000 },
{ .vbat_uv = 3660000, .ri_uohm = 247000 },
{ .vbat_uv = 3636000, .ri_uohm = 293000 },
{ .vbat_uv = 3616000, .ri_uohm = 331000 },
{ .vbat_uv = 3600000, .ri_uohm = 349000 },
{ .vbat_uv = 3593000, .ri_uohm = 345000 },
{ .vbat_uv = 3585000, .ri_uohm = 344000 },
{ .vbat_uv = 3572000, .ri_uohm = 336000 },
{ .vbat_uv = 3553000, .ri_uohm = 321000 },
{ .vbat_uv = 3517000, .ri_uohm = 336000 },
{ .vbat_uv = 3503000, .ri_uohm = 322000 },
{ .vbat_uv = 3400000, .ri_uohm = 269000 },
{ .vbat_uv = 3360000, .ri_uohm = 328000 },
{ .vbat_uv = 3330000, .ri_uohm = 305000 },
{ .vbat_uv = 3300000, .ri_uohm = 339000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_charging_eb425161la[] = {
{ .vbat_uv = 4345000, .ri_uohm = 230000 },
{ .vbat_uv = 4329000, .ri_uohm = 238000 },
{ .vbat_uv = 4314000, .ri_uohm = 225000 },
{ .vbat_uv = 4311000, .ri_uohm = 239000 },
{ .vbat_uv = 4294000, .ri_uohm = 235000 },
{ .vbat_uv = 4264000, .ri_uohm = 229000 },
{ .vbat_uv = 4262000, .ri_uohm = 228000 },
{ .vbat_uv = 4252000, .ri_uohm = 236000 },
{ .vbat_uv = 4244000, .ri_uohm = 234000 },
{ .vbat_uv = 4235000, .ri_uohm = 234000 },
{ .vbat_uv = 4227000, .ri_uohm = 238000 },
{ .vbat_uv = 4219000, .ri_uohm = 242000 },
{ .vbat_uv = 4212000, .ri_uohm = 239000 },
{ .vbat_uv = 4206000, .ri_uohm = 231000 },
{ .vbat_uv = 4201000, .ri_uohm = 231000 },
{ .vbat_uv = 4192000, .ri_uohm = 224000 },
{ .vbat_uv = 4184000, .ri_uohm = 238000 },
{ .vbat_uv = 4173000, .ri_uohm = 245000 },
{ .vbat_uv = 4161000, .ri_uohm = 244000 },
{ .vbat_uv = 4146000, .ri_uohm = 244000 },
{ .vbat_uv = 4127000, .ri_uohm = 228000 },
{ .vbat_uv = 4119000, .ri_uohm = 218000 },
{ .vbat_uv = 4112000, .ri_uohm = 215000 },
{ .vbat_uv = 4108000, .ri_uohm = 209000 },
{ .vbat_uv = 4102000, .ri_uohm = 214000 },
{ .vbat_uv = 4096000, .ri_uohm = 215000 },
{ .vbat_uv = 4090000, .ri_uohm = 215000 },
{ .vbat_uv = 4083000, .ri_uohm = 219000 },
{ .vbat_uv = 4078000, .ri_uohm = 208000 },
{ .vbat_uv = 4071000, .ri_uohm = 205000 },
{ .vbat_uv = 4066000, .ri_uohm = 208000 },
{ .vbat_uv = 4061000, .ri_uohm = 210000 },
{ .vbat_uv = 4055000, .ri_uohm = 212000 },
{ .vbat_uv = 4049000, .ri_uohm = 215000 },
{ .vbat_uv = 4042000, .ri_uohm = 212000 },
{ .vbat_uv = 4032000, .ri_uohm = 217000 },
{ .vbat_uv = 4027000, .ri_uohm = 220000 },
{ .vbat_uv = 4020000, .ri_uohm = 210000 },
{ .vbat_uv = 4013000, .ri_uohm = 214000 },
{ .vbat_uv = 4007000, .ri_uohm = 219000 },
{ .vbat_uv = 4003000, .ri_uohm = 229000 },
{ .vbat_uv = 3996000, .ri_uohm = 246000 },
{ .vbat_uv = 3990000, .ri_uohm = 245000 },
{ .vbat_uv = 3984000, .ri_uohm = 242000 },
{ .vbat_uv = 3977000, .ri_uohm = 236000 },
{ .vbat_uv = 3971000, .ri_uohm = 231000 },
{ .vbat_uv = 3966000, .ri_uohm = 229000 },
{ .vbat_uv = 3952000, .ri_uohm = 226000 },
{ .vbat_uv = 3946000, .ri_uohm = 222000 },
{ .vbat_uv = 3941000, .ri_uohm = 222000 },
{ .vbat_uv = 3936000, .ri_uohm = 217000 },
{ .vbat_uv = 3932000, .ri_uohm = 217000 },
{ .vbat_uv = 3928000, .ri_uohm = 212000 },
{ .vbat_uv = 3926000, .ri_uohm = 214000 },
{ .vbat_uv = 3922000, .ri_uohm = 209000 },
{ .vbat_uv = 3917000, .ri_uohm = 215000 },
{ .vbat_uv = 3914000, .ri_uohm = 212000 },
{ .vbat_uv = 3912000, .ri_uohm = 220000 },
{ .vbat_uv = 3910000, .ri_uohm = 226000 },
{ .vbat_uv = 3903000, .ri_uohm = 226000 },
{ .vbat_uv = 3891000, .ri_uohm = 222000 },
{ .vbat_uv = 3871000, .ri_uohm = 221000 },
{ .vbat_uv = 3857000, .ri_uohm = 219000 },
{ .vbat_uv = 3850000, .ri_uohm = 216000 },
{ .vbat_uv = 3843000, .ri_uohm = 212000 },
{ .vbat_uv = 3835000, .ri_uohm = 206000 },
{ .vbat_uv = 3825000, .ri_uohm = 217000 },
{ .vbat_uv = 3824000, .ri_uohm = 220000 },
{ .vbat_uv = 3820000, .ri_uohm = 237000 },
{ .vbat_uv = 3800000, .ri_uohm = 232000 },
{ .vbat_uv = 3750000, .ri_uohm = 177000 },
{ .vbat_uv = 3712000, .ri_uohm = 164000 },
{ .vbat_uv = 3674000, .ri_uohm = 161000 },
{ .vbat_uv = 3590000, .ri_uohm = 164000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_discharging_eb425161lu[] = {
{ .vbat_uv = 4240000, .ri_uohm = 160000 },
{ .vbat_uv = 4210000, .ri_uohm = 179000 },
{ .vbat_uv = 4180000, .ri_uohm = 183000 },
{ .vbat_uv = 4160000, .ri_uohm = 184000 },
{ .vbat_uv = 4140000, .ri_uohm = 191000 },
{ .vbat_uv = 4120000, .ri_uohm = 204000 },
{ .vbat_uv = 4080000, .ri_uohm = 200000 },
{ .vbat_uv = 4027000, .ri_uohm = 202000 },
{ .vbat_uv = 3916000, .ri_uohm = 221000 },
{ .vbat_uv = 3842000, .ri_uohm = 259000 },
{ .vbat_uv = 3800000, .ri_uohm = 262000 },
{ .vbat_uv = 3742000, .ri_uohm = 263000 },
{ .vbat_uv = 3708000, .ri_uohm = 277000 },
{ .vbat_uv = 3684000, .ri_uohm = 272000 },
{ .vbat_uv = 3664000, .ri_uohm = 278000 },
{ .vbat_uv = 3655000, .ri_uohm = 285000 },
{ .vbat_uv = 3638000, .ri_uohm = 261000 },
{ .vbat_uv = 3624000, .ri_uohm = 259000 },
{ .vbat_uv = 3616000, .ri_uohm = 266000 },
{ .vbat_uv = 3597000, .ri_uohm = 278000 },
{ .vbat_uv = 3581000, .ri_uohm = 281000 },
{ .vbat_uv = 3560000, .ri_uohm = 287000 },
{ .vbat_uv = 3527000, .ri_uohm = 289000 },
{ .vbat_uv = 3512000, .ri_uohm = 286000 },
{ .vbat_uv = 3494000, .ri_uohm = 282000 },
{ .vbat_uv = 3400000, .ri_uohm = 269000 },
{ .vbat_uv = 3360000, .ri_uohm = 328000 },
{ .vbat_uv = 3330000, .ri_uohm = 305000 },
{ .vbat_uv = 3300000, .ri_uohm = 339000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_charging_eb425161lu[] = {
{ .vbat_uv = 4346000, .ri_uohm = 293000 },
{ .vbat_uv = 4336000, .ri_uohm = 290000 },
{ .vbat_uv = 4315000, .ri_uohm = 274000 },
{ .vbat_uv = 4310000, .ri_uohm = 264000 },
{ .vbat_uv = 4275000, .ri_uohm = 275000 },
{ .vbat_uv = 4267000, .ri_uohm = 274000 },
{ .vbat_uv = 4227000, .ri_uohm = 262000 },
{ .vbat_uv = 4186000, .ri_uohm = 282000 },
{ .vbat_uv = 4136000, .ri_uohm = 246000 },
{ .vbat_uv = 4110000, .ri_uohm = 242000 },
{ .vbat_uv = 4077000, .ri_uohm = 249000 },
{ .vbat_uv = 4049000, .ri_uohm = 238000 },
{ .vbat_uv = 4017000, .ri_uohm = 268000 },
{ .vbat_uv = 3986000, .ri_uohm = 261000 },
{ .vbat_uv = 3962000, .ri_uohm = 252000 },
{ .vbat_uv = 3940000, .ri_uohm = 235000 },
{ .vbat_uv = 3930000, .ri_uohm = 237000 },
{ .vbat_uv = 3924000, .ri_uohm = 255000 },
{ .vbat_uv = 3910000, .ri_uohm = 244000 },
{ .vbat_uv = 3889000, .ri_uohm = 231000 },
{ .vbat_uv = 3875000, .ri_uohm = 249000 },
{ .vbat_uv = 3850000, .ri_uohm = 212000 },
{ .vbat_uv = 3800000, .ri_uohm = 232000 },
{ .vbat_uv = 3750000, .ri_uohm = 177000 },
{ .vbat_uv = 3712000, .ri_uohm = 164000 },
{ .vbat_uv = 3674000, .ri_uohm = 161000 },
{ .vbat_uv = 3590000, .ri_uohm = 164000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_discharging_eb485159lu[] = {
{ .vbat_uv = 4240000, .ri_uohm = 160000 },
{ .vbat_uv = 4210000, .ri_uohm = 179000 },
{ .vbat_uv = 4180000, .ri_uohm = 183000 },
{ .vbat_uv = 4160000, .ri_uohm = 184000 },
{ .vbat_uv = 4140000, .ri_uohm = 191000 },
{ .vbat_uv = 4120000, .ri_uohm = 204000 },
{ .vbat_uv = 4080000, .ri_uohm = 200000 },
{ .vbat_uv = 4027000, .ri_uohm = 202000 },
{ .vbat_uv = 3916000, .ri_uohm = 221000 },
{ .vbat_uv = 3842000, .ri_uohm = 259000 },
{ .vbat_uv = 3800000, .ri_uohm = 262000 },
{ .vbat_uv = 3715000, .ri_uohm = 340000 },
{ .vbat_uv = 3700000, .ri_uohm = 300000 },
{ .vbat_uv = 3682000, .ri_uohm = 233000 },
{ .vbat_uv = 3655000, .ri_uohm = 246000 },
{ .vbat_uv = 3639000, .ri_uohm = 260000 },
{ .vbat_uv = 3621000, .ri_uohm = 254000 },
{ .vbat_uv = 3583000, .ri_uohm = 266000 },
{ .vbat_uv = 3536000, .ri_uohm = 274000 },
{ .vbat_uv = 3502000, .ri_uohm = 300000 },
{ .vbat_uv = 3465000, .ri_uohm = 245000 },
{ .vbat_uv = 3438000, .ri_uohm = 225000 },
{ .vbat_uv = 3330000, .ri_uohm = 305000 },
{ .vbat_uv = 3300000, .ri_uohm = 339000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_charging_eb485159lu[] = {
{ .vbat_uv = 4302000, .ri_uohm = 200000 },
{ .vbat_uv = 4258000, .ri_uohm = 206000 },
{ .vbat_uv = 4200000, .ri_uohm = 231000 },
{ .vbat_uv = 4150000, .ri_uohm = 198000 },
{ .vbat_uv = 4134000, .ri_uohm = 268000 },
{ .vbat_uv = 4058000, .ri_uohm = 172000 },
{ .vbat_uv = 4003000, .ri_uohm = 227000 },
{ .vbat_uv = 3972000, .ri_uohm = 241000 },
{ .vbat_uv = 3953000, .ri_uohm = 244000 },
{ .vbat_uv = 3950000, .ri_uohm = 213000 },
{ .vbat_uv = 3900000, .ri_uohm = 225000 },
{ .vbat_uv = 3850000, .ri_uohm = 212000 },
{ .vbat_uv = 3800000, .ri_uohm = 232000 },
{ .vbat_uv = 3750000, .ri_uohm = 177000 },
{ .vbat_uv = 3712000, .ri_uohm = 164000 },
{ .vbat_uv = 3674000, .ri_uohm = 161000 },
{ .vbat_uv = 3590000, .ri_uohm = 164000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_discharging_eb535151vu[] = {
{ .vbat_uv = 4071000, .ri_uohm = 158000 },
{ .vbat_uv = 4019000, .ri_uohm = 187000 },
{ .vbat_uv = 3951000, .ri_uohm = 191000 },
{ .vbat_uv = 3901000, .ri_uohm = 193000 },
{ .vbat_uv = 3850000, .ri_uohm = 273000 },
{ .vbat_uv = 3800000, .ri_uohm = 305000 },
{ .vbat_uv = 3750000, .ri_uohm = 205000 },
{ .vbat_uv = 3700000, .ri_uohm = 290000 },
{ .vbat_uv = 3650000, .ri_uohm = 262000 },
{ .vbat_uv = 3618000, .ri_uohm = 290000 },
{ .vbat_uv = 3505000, .ri_uohm = 235000 },
{ .vbat_uv = 3484000, .ri_uohm = 253000 },
{ .vbat_uv = 3413000, .ri_uohm = 243000 },
{ .vbat_uv = 3393000, .ri_uohm = 285000 },
{ .vbat_uv = 3361000, .ri_uohm = 281000 },
{ .vbat_uv = 3302000, .ri_uohm = 286000 },
{ .vbat_uv = 3280000, .ri_uohm = 250000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_charging_eb535151vu[] = {
{ .vbat_uv = 4190000, .ri_uohm = 214000 },
{ .vbat_uv = 4159000, .ri_uohm = 252000 },
{ .vbat_uv = 4121000, .ri_uohm = 245000 },
{ .vbat_uv = 4069000, .ri_uohm = 228000 },
{ .vbat_uv = 4046000, .ri_uohm = 229000 },
{ .vbat_uv = 4026000, .ri_uohm = 233000 },
{ .vbat_uv = 4007000, .ri_uohm = 240000 },
{ .vbat_uv = 3982000, .ri_uohm = 291000 },
{ .vbat_uv = 3945000, .ri_uohm = 276000 },
{ .vbat_uv = 3924000, .ri_uohm = 266000 },
{ .vbat_uv = 3910000, .ri_uohm = 258000 },
{ .vbat_uv = 3900000, .ri_uohm = 271000 },
{ .vbat_uv = 3844000, .ri_uohm = 279000 },
{ .vbat_uv = 3772000, .ri_uohm = 217000 },
{ .vbat_uv = 3673000, .ri_uohm = 208000 },
{ .vbat_uv = 3571000, .ri_uohm = 208000 },
{ .vbat_uv = 3510000, .ri_uohm = 228000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_discharging_eb585157lu[] = {
{ .vbat_uv = 4194000, .ri_uohm = 121000 },
{ .vbat_uv = 4169000, .ri_uohm = 188000 },
{ .vbat_uv = 4136000, .ri_uohm = 173000 },
{ .vbat_uv = 4108000, .ri_uohm = 158000 },
{ .vbat_uv = 4064000, .ri_uohm = 143000 },
{ .vbat_uv = 3956000, .ri_uohm = 160000 },
{ .vbat_uv = 3847000, .ri_uohm = 262000 },
{ .vbat_uv = 3806000, .ri_uohm = 280000 },
{ .vbat_uv = 3801000, .ri_uohm = 266000 },
{ .vbat_uv = 3794000, .ri_uohm = 259000 },
{ .vbat_uv = 3785000, .ri_uohm = 234000 },
{ .vbat_uv = 3779000, .ri_uohm = 227000 },
{ .vbat_uv = 3772000, .ri_uohm = 222000 },
{ .vbat_uv = 3765000, .ri_uohm = 221000 },
{ .vbat_uv = 3759000, .ri_uohm = 216000 },
{ .vbat_uv = 3754000, .ri_uohm = 206000 },
{ .vbat_uv = 3747000, .ri_uohm = 212000 },
{ .vbat_uv = 3743000, .ri_uohm = 208000 },
{ .vbat_uv = 3737000, .ri_uohm = 212000 },
{ .vbat_uv = 3733000, .ri_uohm = 200000 },
{ .vbat_uv = 3728000, .ri_uohm = 203000 },
{ .vbat_uv = 3722000, .ri_uohm = 207000 },
{ .vbat_uv = 3719000, .ri_uohm = 208000 },
{ .vbat_uv = 3715000, .ri_uohm = 209000 },
{ .vbat_uv = 3712000, .ri_uohm = 211000 },
{ .vbat_uv = 3709000, .ri_uohm = 210000 },
{ .vbat_uv = 3704000, .ri_uohm = 216000 },
{ .vbat_uv = 3701000, .ri_uohm = 218000 },
{ .vbat_uv = 3698000, .ri_uohm = 222000 },
{ .vbat_uv = 3694000, .ri_uohm = 218000 },
{ .vbat_uv = 3692000, .ri_uohm = 215000 },
{ .vbat_uv = 3688000, .ri_uohm = 224000 },
{ .vbat_uv = 3686000, .ri_uohm = 224000 },
{ .vbat_uv = 3683000, .ri_uohm = 228000 },
{ .vbat_uv = 3681000, .ri_uohm = 228000 },
{ .vbat_uv = 3679000, .ri_uohm = 229000 },
{ .vbat_uv = 3676000, .ri_uohm = 232000 },
{ .vbat_uv = 3675000, .ri_uohm = 229000 },
{ .vbat_uv = 3673000, .ri_uohm = 229000 },
{ .vbat_uv = 3672000, .ri_uohm = 223000 },
{ .vbat_uv = 3669000, .ri_uohm = 224000 },
{ .vbat_uv = 3666000, .ri_uohm = 224000 },
{ .vbat_uv = 3663000, .ri_uohm = 221000 },
{ .vbat_uv = 3660000, .ri_uohm = 218000 },
{ .vbat_uv = 3657000, .ri_uohm = 215000 },
{ .vbat_uv = 3654000, .ri_uohm = 212000 },
{ .vbat_uv = 3649000, .ri_uohm = 215000 },
{ .vbat_uv = 3644000, .ri_uohm = 215000 },
{ .vbat_uv = 3636000, .ri_uohm = 215000 },
{ .vbat_uv = 3631000, .ri_uohm = 206000 },
{ .vbat_uv = 3623000, .ri_uohm = 205000 },
{ .vbat_uv = 3616000, .ri_uohm = 193000 },
{ .vbat_uv = 3605000, .ri_uohm = 193000 },
{ .vbat_uv = 3600000, .ri_uohm = 198000 },
{ .vbat_uv = 3597000, .ri_uohm = 198000 },
{ .vbat_uv = 3592000, .ri_uohm = 203000 },
{ .vbat_uv = 3591000, .ri_uohm = 188000 },
{ .vbat_uv = 3587000, .ri_uohm = 188000 },
{ .vbat_uv = 3583000, .ri_uohm = 177000 },
{ .vbat_uv = 3577000, .ri_uohm = 170000 },
{ .vbat_uv = 3568000, .ri_uohm = 135000 },
{ .vbat_uv = 3552000, .ri_uohm = 54000 },
{ .vbat_uv = 3526000, .ri_uohm = 130000 },
{ .vbat_uv = 3501000, .ri_uohm = 48000 },
{ .vbat_uv = 3442000, .ri_uohm = 183000 },
{ .vbat_uv = 3326000, .ri_uohm = 372000 },
{ .vbat_uv = 3161000, .ri_uohm = 452000 },
};
static struct power_supply_vbat_ri_table samsung_vbat2res_charging_eb585157lu[] = {
{ .vbat_uv = 4360000, .ri_uohm = 128000 },
{ .vbat_uv = 4325000, .ri_uohm = 130000 },
{ .vbat_uv = 4316000, .ri_uohm = 148000 },
{ .vbat_uv = 4308000, .ri_uohm = 162000 },
{ .vbat_uv = 4301000, .ri_uohm = 162000 },
{ .vbat_uv = 4250000, .ri_uohm = 162000 },
{ .vbat_uv = 4230000, .ri_uohm = 164000 },
{ .vbat_uv = 4030000, .ri_uohm = 164000 },
{ .vbat_uv = 4000000, .ri_uohm = 193000 },
{ .vbat_uv = 3950000, .ri_uohm = 204000 },
{ .vbat_uv = 3850000, .ri_uohm = 210000 },
{ .vbat_uv = 3800000, .ri_uohm = 230000 },
{ .vbat_uv = 3790000, .ri_uohm = 240000 },
{ .vbat_uv = 3780000, .ri_uohm = 311000 },
{ .vbat_uv = 3760000, .ri_uohm = 420000 },
{ .vbat_uv = 3700000, .ri_uohm = 504000 },
{ .vbat_uv = 3600000, .ri_uohm = 565000 },
};
/*
* Temperature to internal resistance scaling tables.
*
* "resistance" is the percentage of the resistance determined from the voltage
* so this represents the capacity ratio at different temperatures.
*
* FIXME: the proper table is missing: Samsung does not provide the necessary
* temperature compensation tables so we just state 100% for every temperature.
* If you have the datasheets, please provide these tables.
*/
static struct power_supply_resistance_temp_table samsung_temp2res[] = {
{ .temp = 50, .resistance = 100 },
{ .temp = 40, .resistance = 100 },
{ .temp = 30, .resistance = 100 },
{ .temp = 20, .resistance = 100 },
{ .temp = 10, .resistance = 100 },
{ .temp = 00, .resistance = 100 },
{ .temp = -10, .resistance = 100 },
{ .temp = -20, .resistance = 100 },
};
/*
* Capacity tables for different Open Circuit Voltages (OCV).
* These must be sorted by falling OCV value.
*/
static struct power_supply_battery_ocv_table samsung_ocv_cap_eb485159lu[] = {
{ .ocv = 4330000, .capacity = 100},
{ .ocv = 4320000, .capacity = 99},
{ .ocv = 4283000, .capacity = 95},
{ .ocv = 4246000, .capacity = 92},
{ .ocv = 4211000, .capacity = 89},
{ .ocv = 4167000, .capacity = 85},
{ .ocv = 4146000, .capacity = 83},
{ .ocv = 4124000, .capacity = 81},
{ .ocv = 4062000, .capacity = 75},
{ .ocv = 4013000, .capacity = 70},
{ .ocv = 3977000, .capacity = 66},
{ .ocv = 3931000, .capacity = 60},
{ .ocv = 3914000, .capacity = 58},
{ .ocv = 3901000, .capacity = 57},
{ .ocv = 3884000, .capacity = 56},
{ .ocv = 3870000, .capacity = 55},
{ .ocv = 3862000, .capacity = 54},
{ .ocv = 3854000, .capacity = 53},
{ .ocv = 3838000, .capacity = 50},
{ .ocv = 3823000, .capacity = 47},
{ .ocv = 3813000, .capacity = 45},
{ .ocv = 3807000, .capacity = 43},
{ .ocv = 3800000, .capacity = 41},
{ .ocv = 3795000, .capacity = 40},
{ .ocv = 3786000, .capacity = 37},
{ .ocv = 3783000, .capacity = 35},
{ .ocv = 3773000, .capacity = 30},
{ .ocv = 3758000, .capacity = 25},
{ .ocv = 3745000, .capacity = 22},
{ .ocv = 3738000, .capacity = 20},
{ .ocv = 3733000, .capacity = 19},
{ .ocv = 3716000, .capacity = 17},
{ .ocv = 3709000, .capacity = 16},
{ .ocv = 3698000, .capacity = 15},
{ .ocv = 3687000, .capacity = 14},
{ .ocv = 3684000, .capacity = 13},
{ .ocv = 3684000, .capacity = 12},
{ .ocv = 3678000, .capacity = 10},
{ .ocv = 3671000, .capacity = 9},
{ .ocv = 3665000, .capacity = 8},
{ .ocv = 3651000, .capacity = 7},
{ .ocv = 3634000, .capacity = 6},
{ .ocv = 3601000, .capacity = 5},
{ .ocv = 3564000, .capacity = 4},
{ .ocv = 3516000, .capacity = 3},
{ .ocv = 3456000, .capacity = 2},
{ .ocv = 3381000, .capacity = 1},
{ .ocv = 3300000, .capacity = 0},
};
/* Same capacity table is used by eb-l1m7flu, eb425161la, eb425161lu */
static struct power_supply_battery_ocv_table samsung_ocv_cap_1500mah[] = {
{ .ocv = 4328000, .capacity = 100},
{ .ocv = 4299000, .capacity = 99},
{ .ocv = 4281000, .capacity = 98},
{ .ocv = 4241000, .capacity = 95},
{ .ocv = 4183000, .capacity = 90},
{ .ocv = 4150000, .capacity = 87},
{ .ocv = 4116000, .capacity = 84},
{ .ocv = 4077000, .capacity = 80},
{ .ocv = 4068000, .capacity = 79},
{ .ocv = 4058000, .capacity = 77},
{ .ocv = 4026000, .capacity = 75},
{ .ocv = 3987000, .capacity = 72},
{ .ocv = 3974000, .capacity = 69},
{ .ocv = 3953000, .capacity = 66},
{ .ocv = 3933000, .capacity = 63},
{ .ocv = 3911000, .capacity = 60},
{ .ocv = 3900000, .capacity = 58},
{ .ocv = 3873000, .capacity = 55},
{ .ocv = 3842000, .capacity = 52},
{ .ocv = 3829000, .capacity = 50},
{ .ocv = 3810000, .capacity = 45},
{ .ocv = 3793000, .capacity = 40},
{ .ocv = 3783000, .capacity = 35},
{ .ocv = 3776000, .capacity = 30},
{ .ocv = 3762000, .capacity = 25},
{ .ocv = 3746000, .capacity = 20},
{ .ocv = 3739000, .capacity = 18},
{ .ocv = 3715000, .capacity = 15},
{ .ocv = 3700000, .capacity = 12},
{ .ocv = 3690000, .capacity = 10},
{ .ocv = 3680000, .capacity = 9},
{ .ocv = 3670000, .capacity = 7},
{ .ocv = 3656000, .capacity = 5},
{ .ocv = 3634000, .capacity = 4},
{ .ocv = 3614000, .capacity = 3},
{ .ocv = 3551000, .capacity = 2},
{ .ocv = 3458000, .capacity = 1},
{ .ocv = 3300000, .capacity = 0},
};
static struct power_supply_battery_ocv_table samsung_ocv_cap_eb535151vu[] = {
{ .ocv = 4178000, .capacity = 100},
{ .ocv = 4148000, .capacity = 99},
{ .ocv = 4105000, .capacity = 95},
{ .ocv = 4078000, .capacity = 92},
{ .ocv = 4057000, .capacity = 89},
{ .ocv = 4013000, .capacity = 85},
{ .ocv = 3988000, .capacity = 82},
{ .ocv = 3962000, .capacity = 77},
{ .ocv = 3920000, .capacity = 70},
{ .ocv = 3891000, .capacity = 65},
{ .ocv = 3874000, .capacity = 62},
{ .ocv = 3839000, .capacity = 59},
{ .ocv = 3816000, .capacity = 55},
{ .ocv = 3798000, .capacity = 50},
{ .ocv = 3778000, .capacity = 40},
{ .ocv = 3764000, .capacity = 30},
{ .ocv = 3743000, .capacity = 25},
{ .ocv = 3711000, .capacity = 20},
{ .ocv = 3691000, .capacity = 18},
{ .ocv = 3685000, .capacity = 15},
{ .ocv = 3680000, .capacity = 12},
{ .ocv = 3662000, .capacity = 10},
{ .ocv = 3638000, .capacity = 9},
{ .ocv = 3593000, .capacity = 7},
{ .ocv = 3566000, .capacity = 6},
{ .ocv = 3497000, .capacity = 4},
{ .ocv = 3405000, .capacity = 2},
{ .ocv = 3352000, .capacity = 1},
{ .ocv = 3300000, .capacity = 0},
};
static struct power_supply_battery_ocv_table samsung_ocv_cap_eb585157lu[] = {
{ .ocv = 4320000, .capacity = 100},
{ .ocv = 4296000, .capacity = 99},
{ .ocv = 4283000, .capacity = 98},
{ .ocv = 4245000, .capacity = 95},
{ .ocv = 4185000, .capacity = 90},
{ .ocv = 4152000, .capacity = 87},
{ .ocv = 4119000, .capacity = 84},
{ .ocv = 4077000, .capacity = 80},
{ .ocv = 4057000, .capacity = 78},
{ .ocv = 4048000, .capacity = 77},
{ .ocv = 4020000, .capacity = 74},
{ .ocv = 4003000, .capacity = 72},
{ .ocv = 3978000, .capacity = 69},
{ .ocv = 3955000, .capacity = 66},
{ .ocv = 3934000, .capacity = 63},
{ .ocv = 3912000, .capacity = 60},
{ .ocv = 3894000, .capacity = 58},
{ .ocv = 3860000, .capacity = 55},
{ .ocv = 3837000, .capacity = 52},
{ .ocv = 3827000, .capacity = 50},
{ .ocv = 3806000, .capacity = 45},
{ .ocv = 3791000, .capacity = 40},
{ .ocv = 3779000, .capacity = 35},
{ .ocv = 3770000, .capacity = 30},
{ .ocv = 3758000, .capacity = 25},
{ .ocv = 3739000, .capacity = 20},
{ .ocv = 3730000, .capacity = 18},
{ .ocv = 3706000, .capacity = 15},
{ .ocv = 3684000, .capacity = 13},
{ .ocv = 3675000, .capacity = 10},
{ .ocv = 3673000, .capacity = 9},
{ .ocv = 3665000, .capacity = 7},
{ .ocv = 3649000, .capacity = 5},
{ .ocv = 3628000, .capacity = 4},
{ .ocv = 3585000, .capacity = 3},
{ .ocv = 3525000, .capacity = 2},
{ .ocv = 3441000, .capacity = 1},
{ .ocv = 3300000, .capacity = 0},
};
static struct power_supply_maintenance_charge_table samsung_maint_charge_table[] = {
{
/* Maintenance charging phase A, 60 hours */
.charge_current_max_ua = 600000,
.charge_voltage_max_uv = 4150000,
.charge_safety_timer_minutes = 60*60,
},
{
/* Maintenance charging phase B, 200 hours */
.charge_current_max_ua = 600000,
.charge_voltage_max_uv = 4100000,
.charge_safety_timer_minutes = 200*60,
}
};
static struct samsung_sdi_battery samsung_sdi_batteries[] = {
{
/*
* Used in Samsung GT-I8190 "Golden"
* Data from vendor boardfile board-golden-[bm|battery].c
*/
.compatible = "samsung,eb-l1m7flu",
.name = "EB-L1M7FLU",
.info = {
.charge_full_design_uah = 1500000,
.technology = POWER_SUPPLY_TECHNOLOGY_LION,
.factory_internal_resistance_uohm = 100000,
.factory_internal_resistance_charging_uohm = 200000,
/* If you have data on this fix the min_design_uv */
.voltage_min_design_uv = 3320000,
.voltage_max_design_uv = 4340000,
.overvoltage_limit_uv = 4500000,
.constant_charge_current_max_ua = 900000,
.constant_charge_voltage_max_uv = 4320000,
.charge_term_current_ua = 200000,
.charge_restart_voltage_uv = 4300000,
.maintenance_charge = samsung_maint_charge_table,
.maintenance_charge_size = ARRAY_SIZE(samsung_maint_charge_table),
.alert_low_temp_charge_current_ua = 300000,
.alert_low_temp_charge_voltage_uv = 4000000,
.alert_high_temp_charge_current_ua = 300000,
.alert_high_temp_charge_voltage_uv = 4000000,
.temp_min = -50,
.temp_alert_min = 0,
.temp_alert_max = 40,
.temp_max = 60,
.resist_table = samsung_temp2res,
.resist_table_size = ARRAY_SIZE(samsung_temp2res),
/* If you have tables for more temperatures, add them */
.ocv_temp[0] = 25,
.ocv_table[0] = samsung_ocv_cap_1500mah,
.ocv_table_size[0] = ARRAY_SIZE(samsung_ocv_cap_1500mah),
.vbat2ri_discharging = samsung_vbat2res_discharging_eb_l1m7flu,
.vbat2ri_discharging_size = ARRAY_SIZE(samsung_vbat2res_discharging_eb_l1m7flu),
.vbat2ri_charging = samsung_vbat2res_charging_eb_l1m7flu,
.vbat2ri_charging_size = ARRAY_SIZE(samsung_vbat2res_charging_eb_l1m7flu),
.bti_resistance_ohm = 2400,
.bti_resistance_tolerance = 40,
},
},
{
/*
* Used in Samsung SGH-T599 "Codina TMO" and SGH-I407 "Kyle"
* Data from vendor boardfile board-kyle-[bm|battery].c
*/
.compatible = "samsung,eb425161la",
.name = "EB425161LA",
.info = {
.charge_full_design_uah = 1500000,
.technology = POWER_SUPPLY_TECHNOLOGY_LION,
.factory_internal_resistance_uohm = 136000,
.factory_internal_resistance_charging_uohm = 200000,
/* If you have data on this fix the min_design_uv */
.voltage_min_design_uv = 3320000,
.voltage_max_design_uv = 4340000,
.overvoltage_limit_uv = 4500000,
.constant_charge_current_max_ua = 900000,
.constant_charge_voltage_max_uv = 4320000,
.charge_term_current_ua = 200000,
.charge_restart_voltage_uv = 4270000,
.maintenance_charge = samsung_maint_charge_table,
.maintenance_charge_size = ARRAY_SIZE(samsung_maint_charge_table),
.alert_low_temp_charge_current_ua = 300000,
.alert_low_temp_charge_voltage_uv = 4000000,
.alert_high_temp_charge_current_ua = 300000,
.alert_high_temp_charge_voltage_uv = 4000000,
.temp_min = -30,
.temp_alert_min = 0,
.temp_alert_max = 40,
.temp_max = 47,
.resist_table = samsung_temp2res,
.resist_table_size = ARRAY_SIZE(samsung_temp2res),
/* If you have tables for more temperatures, add them */
.ocv_temp[0] = 25,
.ocv_table[0] = samsung_ocv_cap_1500mah,
.ocv_table_size[0] = ARRAY_SIZE(samsung_ocv_cap_1500mah),
.vbat2ri_discharging = samsung_vbat2res_discharging_eb425161la,
.vbat2ri_discharging_size = ARRAY_SIZE(samsung_vbat2res_discharging_eb425161la),
.vbat2ri_charging = samsung_vbat2res_charging_eb425161la,
.vbat2ri_charging_size = ARRAY_SIZE(samsung_vbat2res_charging_eb425161la),
.bti_resistance_ohm = 2400,
.bti_resistance_tolerance = 40,
},
},
{
/*
* Used in Samsung GT-I8160 "Codina"
* Data from vendor boardfile board-codina-[bm|battery].c
*/
.compatible = "samsung,eb425161lu",
.name = "EB425161LU",
.info = {
.charge_full_design_uah = 1500000,
.technology = POWER_SUPPLY_TECHNOLOGY_LION,
.factory_internal_resistance_uohm = 100000,
.factory_internal_resistance_charging_uohm = 200000,
/* If you have data on this fix the min_design_uv */
.voltage_min_design_uv = 3320000,
.voltage_max_design_uv = 4350000,
.overvoltage_limit_uv = 4500000,
.constant_charge_current_max_ua = 900000,
.constant_charge_voltage_max_uv = 4340000,
.charge_term_current_ua = 200000,
.charge_restart_voltage_uv = 4280000,
.maintenance_charge = samsung_maint_charge_table,
.maintenance_charge_size = ARRAY_SIZE(samsung_maint_charge_table),
.alert_low_temp_charge_current_ua = 300000,
.alert_low_temp_charge_voltage_uv = 4000000,
.alert_high_temp_charge_current_ua = 300000,
.alert_high_temp_charge_voltage_uv = 4000000,
.temp_min = -50,
.temp_alert_min = 0,
.temp_alert_max = 43,
.temp_max = 49,
.resist_table = samsung_temp2res,
.resist_table_size = ARRAY_SIZE(samsung_temp2res),
/* If you have tables for more temperatures, add them */
.ocv_temp[0] = 25,
.ocv_table[0] = samsung_ocv_cap_1500mah,
.ocv_table_size[0] = ARRAY_SIZE(samsung_ocv_cap_1500mah),
.vbat2ri_discharging = samsung_vbat2res_discharging_eb425161lu,
.vbat2ri_discharging_size = ARRAY_SIZE(samsung_vbat2res_discharging_eb425161lu),
.vbat2ri_charging = samsung_vbat2res_charging_eb425161lu,
.vbat2ri_charging_size = ARRAY_SIZE(samsung_vbat2res_charging_eb425161lu),
.bti_resistance_ohm = 2400,
.bti_resistance_tolerance = 40,
},
},
{
/*
* Used in Samsung GT-S7710 "Skomer"
* Data from vendor boardfile board-skomer-[bm|battery].c
*/
.compatible = "samsung,eb485159lu",
.name = "EB485159LU",
.info = {
.charge_full_design_uah = 1700000,
.technology = POWER_SUPPLY_TECHNOLOGY_LION,
.factory_internal_resistance_uohm = 100000,
.factory_internal_resistance_charging_uohm = 200000,
.voltage_min_design_uv = 3320000,
.voltage_max_design_uv = 4350000,
.overvoltage_limit_uv = 4500000,
.constant_charge_current_max_ua = 900000,
.constant_charge_voltage_max_uv = 4340000,
.charge_term_current_ua = 200000,
.charge_restart_voltage_uv = 4300000,
.maintenance_charge = samsung_maint_charge_table,
.maintenance_charge_size = ARRAY_SIZE(samsung_maint_charge_table),
.alert_low_temp_charge_current_ua = 300000,
.alert_low_temp_charge_voltage_uv = 4000000,
.alert_high_temp_charge_current_ua = 300000,
.alert_high_temp_charge_voltage_uv = 4000000,
.temp_min = -50,
.temp_alert_min = 0,
.temp_alert_max = 40,
.temp_max = 60,
.resist_table = samsung_temp2res,
.resist_table_size = ARRAY_SIZE(samsung_temp2res),
/* If you have tables for more temperatures, add them */
.ocv_temp[0] = 25,
.ocv_table[0] = samsung_ocv_cap_eb485159lu,
.ocv_table_size[0] = ARRAY_SIZE(samsung_ocv_cap_eb485159lu),
/* CHECKME: vendor uses the 1500 mAh table, check against datasheet */
.vbat2ri_discharging = samsung_vbat2res_discharging_eb485159lu,
.vbat2ri_discharging_size = ARRAY_SIZE(samsung_vbat2res_discharging_eb485159lu),
.vbat2ri_charging = samsung_vbat2res_charging_eb485159lu,
.vbat2ri_charging_size = ARRAY_SIZE(samsung_vbat2res_charging_eb485159lu),
.bti_resistance_ohm = 2400,
.bti_resistance_tolerance = 40,
},
},
{
/*
* Used in Samsung GT-I9070 "Janice"
* Data from vendor boardfile board-janice-bm.c
*/
.compatible = "samsung,eb535151vu",
.name = "EB535151VU",
.info = {
.charge_full_design_uah = 1500000,
.technology = POWER_SUPPLY_TECHNOLOGY_LION,
.factory_internal_resistance_uohm = 100000,
.factory_internal_resistance_charging_uohm = 200000,
/* If you have data on this fix the min_design_uv */
.voltage_min_design_uv = 3300000,
.voltage_max_design_uv = 4180000,
.overvoltage_limit_uv = 4500000,
.constant_charge_current_max_ua = 900000,
.constant_charge_voltage_max_uv = 4200000,
.charge_term_current_ua = 200000,
power: supply: samsung-sdi-battery: Add missing charge restart voltages Two of the batteries were missing charging restart voltages, meaning they can drain if the algorithm relies on restarting charging at this voltage. Fix it up. Fixes: c8aee3f41cb8 ("power: supply: Static data for Samsung batteries") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-03-06 02:24:20 +03:00
.charge_restart_voltage_uv = 4170000,
power: supply: Static data for Samsung batteries If we detect a Samsung SDI battery, we return a static struct power_supply_battery_info and avoid looking further. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-02-26 02:28:00 +03:00
.maintenance_charge = samsung_maint_charge_table,
.maintenance_charge_size = ARRAY_SIZE(samsung_maint_charge_table),
.alert_low_temp_charge_current_ua = 300000,
.alert_low_temp_charge_voltage_uv = 4000000,
.alert_high_temp_charge_current_ua = 300000,
.alert_high_temp_charge_voltage_uv = 4000000,
.temp_min = -5,
.temp_alert_min = 0,
.temp_alert_max = 40,
.temp_max = 60,
.resist_table = samsung_temp2res,
.resist_table_size = ARRAY_SIZE(samsung_temp2res),
/* If you have tables for more temperatures, add them */
.ocv_temp[0] = 25,
.ocv_table[0] = samsung_ocv_cap_eb535151vu,
.ocv_table_size[0] = ARRAY_SIZE(samsung_ocv_cap_eb535151vu),
.vbat2ri_discharging = samsung_vbat2res_discharging_eb535151vu,
.vbat2ri_discharging_size = ARRAY_SIZE(samsung_vbat2res_discharging_eb535151vu),
.vbat2ri_charging = samsung_vbat2res_charging_eb535151vu,
.vbat2ri_charging_size = ARRAY_SIZE(samsung_vbat2res_charging_eb535151vu),
.bti_resistance_ohm = 1500,
.bti_resistance_tolerance = 40,
},
},
{
/*
* Used in Samsung GT-I8530 "Gavini"
* Data from vendor boardfile board-gavini-bm.c
*/
.compatible = "samsung,eb585157lu",
.name = "EB585157LU",
.info = {
.charge_full_design_uah = 2000000,
.technology = POWER_SUPPLY_TECHNOLOGY_LION,
.factory_internal_resistance_uohm = 105000,
.factory_internal_resistance_charging_uohm = 160000,
/* If you have data on this fix the min_design_uv */
.voltage_min_design_uv = 3300000,
.voltage_max_design_uv = 4320000,
.overvoltage_limit_uv = 4500000,
.constant_charge_current_max_ua = 1500000,
.constant_charge_voltage_max_uv = 4350000,
.charge_term_current_ua = 120000,
power: supply: samsung-sdi-battery: Add missing charge restart voltages Two of the batteries were missing charging restart voltages, meaning they can drain if the algorithm relies on restarting charging at this voltage. Fix it up. Fixes: c8aee3f41cb8 ("power: supply: Static data for Samsung batteries") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-03-06 02:24:20 +03:00
.charge_restart_voltage_uv = 4300000,
power: supply: Static data for Samsung batteries If we detect a Samsung SDI battery, we return a static struct power_supply_battery_info and avoid looking further. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2022-02-26 02:28:00 +03:00
.maintenance_charge = samsung_maint_charge_table,
.maintenance_charge_size = ARRAY_SIZE(samsung_maint_charge_table),
.alert_low_temp_charge_current_ua = 300000,
.alert_low_temp_charge_voltage_uv = 4000000,
.alert_high_temp_charge_current_ua = 300000,
.alert_high_temp_charge_voltage_uv = 4000000,
.temp_min = -5,
.temp_alert_min = 0,
.temp_alert_max = 40,
.temp_max = 60,
.resist_table = samsung_temp2res,
.resist_table_size = ARRAY_SIZE(samsung_temp2res),
/* If you have tables for more temperatures, add them */
.ocv_temp[0] = 25,
.ocv_table[0] = samsung_ocv_cap_eb585157lu,
.ocv_table_size[0] = ARRAY_SIZE(samsung_ocv_cap_eb585157lu),
.vbat2ri_discharging = samsung_vbat2res_discharging_eb585157lu,
.vbat2ri_discharging_size = ARRAY_SIZE(samsung_vbat2res_discharging_eb585157lu),
.vbat2ri_charging = samsung_vbat2res_charging_eb585157lu,
.vbat2ri_charging_size = ARRAY_SIZE(samsung_vbat2res_charging_eb585157lu),
.bti_resistance_ohm = 2400,
.bti_resistance_tolerance = 40,
},
},
};
int samsung_sdi_battery_get_info(struct device *dev,
const char *compatible,
struct power_supply_battery_info **info)
{
struct samsung_sdi_battery *batt;
int i;
for (i = 0; i < ARRAY_SIZE(samsung_sdi_batteries); i++) {
batt = &samsung_sdi_batteries[i];
if (!strcmp(compatible, batt->compatible))
break;
}
if (i == ARRAY_SIZE(samsung_sdi_batteries))
return -ENODEV;
*info = &batt->info;
dev_info(dev, "Samsung SDI %s battery %d mAh\n",
batt->name, batt->info.charge_full_design_uah / 1000);
return 0;
}
EXPORT_SYMBOL_GPL(samsung_sdi_battery_get_info);
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