A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-25 22:23:14 -04:00
Code Issues Projects Releases Packages Wiki Activity

ffc: add ffc featrue

Browse source 
Flash fast charge
At different battery temperature zones, use different
CV and charge iterm.

porting from https://gerrit.mot.com/#/c/1551505/

Change-Id: I8558b47f771b6785af0f7d75ea9093fc5af17c54
Signed-off-by: chailu1 <chailu1@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2001406
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Haijian Ma <mahj8@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
chailu1 2021-07-03 14:27:13 +08:00 • committed by Lu Chai
commit 1125771201
1 changed files with 67 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

69
drivers/power/mmi-smbcharger-iio/mmi-smbcharger-iio.c
View file

@ -328,8 +328,15 @@ struct smb_mmi_params {
struct smb_mmi_chg_param aicl_cont_threshold;
};
struct mmi_ffc_zone {
int ffc_max_mv;
int ffc_chg_iterm;
int ffc_qg_iterm;
};
struct mmi_sm_params {
int num_temp_zones;
struct mmi_ffc_zone *ffc_zones;
struct mmi_temp_zone *temp_zones;
enum mmi_temp_zones pres_temp_zone;
enum mmi_chrg_step pres_chrg_step;
@ -562,6 +569,7 @@ enum smb_mmi_ext_iio_channels {
SMB5_QG_CAPACITY,
SMB5_QG_CHARGE_FULL,
SMB5_QG_CHARGE_FULL_DESIGN,
SMB5_QG_BATT_FULL_CURRENT,
};
static const char * const smb_mmi_ext_iio_chan_name[] = {
@ -583,7 +591,7 @@ static const char * const smb_mmi_ext_iio_chan_name[] = {
[SMB5_QG_CAPACITY] = "capacity",
[SMB5_QG_CHARGE_FULL] = "charge_full",
[SMB5_QG_CHARGE_FULL_DESIGN] = "charge_full_design",
[SMB5_QG_BATT_FULL_CURRENT] = "batt_full_current",
};
bool is_chan_valid(struct smb_mmi_charger *chip,
@ -2861,6 +2869,30 @@ vote_now:
return sched_time;
}
static int mmi_get_ffc_fv(struct smb_mmi_charger *chip, int zone)
{
int rc;
int ffc_max_fv;
struct mmi_sm_params *prm = &chip->sm_param[BASE_BATT];
if (prm->ffc_zones == NULL || zone >= prm->num_temp_zones)
return 0;
rc = smb_mmi_write_iio_chan(chip,
SMB5_QG_BATT_FULL_CURRENT, prm->ffc_zones[zone].ffc_qg_iterm);
if (rc < 0) {
mmi_err(chip, "Couldn't set batt full current, rc=%d\n", rc);
}
prm->chrg_iterm = prm->ffc_zones[zone].ffc_chg_iterm;
ffc_max_fv = prm->ffc_zones[zone].ffc_max_mv;
mmi_info(chip,
"FFC temp zone %d, fv %d mV, chg iterm %d mA, qg iterm %d mA\n",
zone, ffc_max_fv, prm->chrg_iterm, prm->ffc_zones[zone].ffc_qg_iterm);
return ffc_max_fv;
}
static void mmi_basic_charge_sm(struct smb_mmi_charger *chip,
struct smb_mmi_chg_status *stat)
{
@ -2896,7 +2928,9 @@ static void mmi_basic_charge_sm(struct smb_mmi_charger *chip,
vote(chip->fv_votable,
BATT_PROFILE_VOTER, false, 0);
}
max_fv_mv = chip->base_fv_mv;
max_fv_mv = mmi_get_ffc_fv(chip, prm->pres_temp_zone);
if (max_fv_mv == 0)
max_fv_mv = chip->base_fv_mv;
mmi_find_temp_zone(chip, prm, stat->batt_temp);
if (prm->pres_temp_zone >= prm->num_temp_zones)
@ -3853,6 +3887,37 @@ static int parse_mmi_dt(struct smb_mmi_charger *chg)
chip->pres_chrg_step = STEP_NONE;
}
if (of_find_property(node, "qcom,mmi-ffc-zones", &byte_len)) {
if ((byte_len / sizeof(struct mmi_ffc_zone) != chip->num_temp_zones)
|| ((byte_len / sizeof(u32)) % 3)) {
mmi_err(chg, "DT error wrong mmi ffc zones\n");
return -ENODEV;
}
chip->ffc_zones = (struct mmi_ffc_zone *)
devm_kzalloc(chg->dev, byte_len, GFP_KERNEL);
if (chip->ffc_zones == NULL)
return -ENOMEM;
rc = of_property_read_u32_array(node,
"qcom,mmi-ffc-zones",
(u32 *)chip->ffc_zones,
byte_len / sizeof(u32));
if (rc < 0) {
mmi_err(chg, "Couldn't read mmi ffc zones rc = %d\n", rc);
return rc;
}
for (i = 0; i < chip->num_temp_zones; i++) {
mmi_info(chg, "FFC:Zone %d,Volt %d,Ich %d,Iqg %d", i,
chip->ffc_zones[i].ffc_max_mv,
chip->ffc_zones[i].ffc_chg_iterm,
chip->ffc_zones[i].ffc_qg_iterm);
}
} else
chip->ffc_zones = NULL;
rc = of_property_read_u32(node, "qcom,iterm-ma",
&chip->chrg_iterm);
if (rc)