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smb:integrate charge pump ffc feature

Browse source 
Support battery ffc feature
at Qcom
Porting: (CR)

Change-Id: I8858601f3f6a003e303b330f42fe7167c2c0d801
Signed-off-by: xuwei9 <xuwei9@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1908651
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Lu Chai <chailu1@motorola.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
xuwei9 2021-03-24 18:14:43 +08:00 • committed by Wei Xu
commit 2a3771065b
1 changed files with 91 additions and 1 deletions
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92
drivers/power/qpnp-smbcharger-mmi/qpnp-smbcharger-mmi.c
View file

@ -313,6 +313,12 @@ struct smb_mmi_params {
struct smb_mmi_chg_param freq_switcher;
};
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_temp_zone *temp_zones;
@ -325,6 +331,7 @@ struct mmi_sm_params {
int target_fv;
int ocp[MAX_NUM_STEPS];
int demo_mode_prev_soc;
struct mmi_ffc_zone *ffc_zones;
};
enum charging_limit_modes {
@ -3155,6 +3162,49 @@ vote_now:
return sched_time;
}
int mmi_set_prop_to_bms(struct smb_mmi_charger *chg,
enum power_supply_property psp,
union power_supply_propval *val)
{
int rc;
if (!chg->bms_psy)
return -EINVAL;
rc = power_supply_set_property(chg->bms_psy, psp, val);
return rc;
}
static int mmi_get_ffc_fv(struct smb_mmi_charger *chg, int zone,int batt)
{
union power_supply_propval prop = {0,};
int rc;
int ffc_max_fv;
struct mmi_sm_params *chip = &chg->sm_param[batt];
if (chip->ffc_zones == NULL
|| zone >= chip->num_temp_zones)
return 0;
prop.intval = chip->ffc_zones[zone].ffc_qg_iterm;
rc = mmi_set_prop_to_bms(chg,
POWER_SUPPLY_PROP_BATT_FULL_CURRENT, &prop);
if (rc < 0) {
mmi_err(chg, "Set bat full curr fail rc=%d\n", rc);
return 0;
}
chip->chrg_iterm = chip->ffc_zones[zone].ffc_chg_iterm;
ffc_max_fv = chip->ffc_zones[zone].ffc_max_mv;
mmi_err(chg,
"FFC temp zone %d, fv %d mV, chg iterm %d mA, qg iterm %d mA\n",
zone, ffc_max_fv, chip->chrg_iterm,
chip->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)
{
@ -3190,7 +3240,11 @@ 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,BASE_BATT);
if (max_fv_mv == 0)
max_fv_mv = chip->base_fv_mv;
mmi_info(chip,"max_fv_mv:%d\n",max_fv_mv);
mmi_find_temp_zone(chip, prm, stat->batt_temp);
if (prm->pres_temp_zone >= prm->num_temp_zones)
@ -4243,6 +4297,42 @@ 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_err(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)