diff options
| -rw-r--r-- | drivers/power/supply/qcom/smb-lib.c | 235 | ||||
| -rw-r--r-- | drivers/power/supply/qcom/smb-lib.h | 1 |
2 files changed, 120 insertions, 116 deletions
diff --git a/drivers/power/supply/qcom/smb-lib.c b/drivers/power/supply/qcom/smb-lib.c index b0c25dda97fe..f17ccc91e38c 100644 --- a/drivers/power/supply/qcom/smb-lib.c +++ b/drivers/power/supply/qcom/smb-lib.c @@ -2550,52 +2550,53 @@ int smblib_set_prop_pd_active(struct smb_charger *chg, { int rc; u8 stat = 0; - bool cc_debounced; bool orientation; - bool pd_active = val->intval; - if (!get_effective_result(chg->pd_allowed_votable)) { - smblib_err(chg, "PD is not allowed\n"); + if (!get_effective_result(chg->pd_allowed_votable)) return -EINVAL; - } - - vote(chg->apsd_disable_votable, PD_VOTER, pd_active, 0); - vote(chg->pd_allowed_votable, PD_VOTER, pd_active, 0); - vote(chg->usb_irq_enable_votable, PD_VOTER, pd_active, 0); - /* - * VCONN_EN_ORIENTATION_BIT controls whether to use CC1 or CC2 line - * when TYPEC_SPARE_CFG_BIT (CC pin selection s/w override) is set - * or when VCONN_EN_VALUE_BIT is set. - */ rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); return rc; } - if (pd_active) { + chg->pd_active = val->intval; + if (chg->pd_active) { + vote(chg->apsd_disable_votable, PD_VOTER, true, 0); + vote(chg->pd_allowed_votable, PD_VOTER, true, 0); + vote(chg->usb_irq_enable_votable, PD_VOTER, true, 0); + + /* + * VCONN_EN_ORIENTATION_BIT controls whether to use CC1 or CC2 + * line when TYPEC_SPARE_CFG_BIT (CC pin selection s/w override) + * is set or when VCONN_EN_VALUE_BIT is set. + */ orientation = stat & CC_ORIENTATION_BIT; rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, VCONN_EN_ORIENTATION_BIT, orientation ? 0 : VCONN_EN_ORIENTATION_BIT); - if (rc < 0) { + if (rc < 0) smblib_err(chg, "Couldn't enable vconn on CC line rc=%d\n", rc); - return rc; - } + + /* SW controlled CC_OUT */ + rc = smblib_masked_write(chg, TAPER_TIMER_SEL_CFG_REG, + TYPEC_SPARE_CFG_BIT, TYPEC_SPARE_CFG_BIT); + if (rc < 0) + smblib_err(chg, "Couldn't enable SW cc_out rc=%d\n", + rc); + /* * Enforce 500mA for PD until the real vote comes in later. * It is guaranteed that pd_active is set prior to * pd_current_max */ rc = vote(chg->usb_icl_votable, PD_VOTER, true, USBIN_500MA); - if (rc < 0) { + if (rc < 0) smblib_err(chg, "Couldn't vote for USB ICL rc=%d\n", - rc); - return rc; - } + rc); /* since PD was found the cable must be non-legacy */ vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, false, 0); @@ -2603,36 +2604,32 @@ int smblib_set_prop_pd_active(struct smb_charger *chg, /* clear USB ICL vote for DCP_VOTER */ rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); if (rc < 0) - smblib_err(chg, - "Couldn't un-vote DCP from USB ICL rc=%d\n", - rc); + smblib_err(chg, "Couldn't un-vote DCP from USB ICL rc=%d\n", + rc); /* remove USB_PSY_VOTER */ rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); - if (rc < 0) { + if (rc < 0) smblib_err(chg, "Couldn't unvote USB_PSY rc=%d\n", rc); - return rc; - } - } + } else { + vote(chg->apsd_disable_votable, PD_VOTER, false, 0); + vote(chg->pd_allowed_votable, PD_VOTER, true, 0); + vote(chg->usb_irq_enable_votable, PD_VOTER, true, 0); - /* CC pin selection s/w override in PD session; h/w otherwise. */ - rc = smblib_masked_write(chg, TAPER_TIMER_SEL_CFG_REG, - TYPEC_SPARE_CFG_BIT, - pd_active ? TYPEC_SPARE_CFG_BIT : 0); - if (rc < 0) { - smblib_err(chg, "Couldn't change cc_out ctrl to %s rc=%d\n", - pd_active ? "SW" : "HW", rc); - return rc; - } + /* HW controlled CC_OUT */ + rc = smblib_masked_write(chg, TAPER_TIMER_SEL_CFG_REG, + TYPEC_SPARE_CFG_BIT, 0); + if (rc < 0) + smblib_err(chg, "Couldn't enable HW cc_out rc=%d\n", + rc); - cc_debounced = (bool)(stat & TYPEC_DEBOUNCE_DONE_STATUS_BIT); - if (!pd_active && cc_debounced) - try_rerun_apsd_for_hvdcp(chg); + if ((stat & (TYPEC_DEBOUNCE_DONE_STATUS_BIT | UFP_DFP_MODE_BIT)) + == TYPEC_DEBOUNCE_DONE_STATUS_BIT) + try_rerun_apsd_for_hvdcp(chg); + } - chg->pd_active = pd_active; smblib_update_usb_type(chg); power_supply_changed(chg->usb_psy); - return rc; } @@ -3516,58 +3513,6 @@ irqreturn_t smblib_handle_usb_source_change(int irq, void *data) return IRQ_HANDLED; } -static void typec_source_removal(struct smb_charger *chg) -{ - int rc; - - /* reset legacy unknown vote */ - vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, false, 0); - - /* reset both usbin current and voltage votes */ - vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0); - vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0); - - cancel_delayed_work_sync(&chg->hvdcp_detect_work); - - if (chg->wa_flags & QC_AUTH_INTERRUPT_WA_BIT) { - /* re-enable AUTH_IRQ_EN_CFG_BIT */ - rc = smblib_masked_write(chg, - USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, - AUTH_IRQ_EN_CFG_BIT, AUTH_IRQ_EN_CFG_BIT); - if (rc < 0) - smblib_err(chg, - "Couldn't enable QC auth setting rc=%d\n", rc); - } - - /* reconfigure allowed voltage for HVDCP */ - rc = smblib_set_adapter_allowance(chg, - USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); - if (rc < 0) - smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", - rc); - - chg->voltage_min_uv = MICRO_5V; - chg->voltage_max_uv = MICRO_5V; - - /* clear USB ICL vote for PD_VOTER */ - rc = vote(chg->usb_icl_votable, PD_VOTER, false, 0); - if (rc < 0) - smblib_err(chg, "Couldn't un-vote PD from USB ICL rc=%d\n", rc); - - /* clear USB ICL vote for USB_PSY_VOTER */ - rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); - if (rc < 0) - smblib_err(chg, - "Couldn't un-vote USB_PSY from USB ICL rc=%d\n", rc); - - /* clear USB ICL vote for DCP_VOTER */ - rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); - if (rc < 0) - smblib_err(chg, - "Couldn't un-vote DCP from USB ICL rc=%d\n", rc); - -} - static void typec_source_insertion(struct smb_charger *chg) { /* @@ -3605,30 +3550,47 @@ static void smblib_handle_typec_removal(struct smb_charger *chg) chg->cc2_detach_wa_active = false; + /* reset APSD voters */ + vote(chg->apsd_disable_votable, PD_HARD_RESET_VOTER, false, 0); + vote(chg->apsd_disable_votable, PD_VOTER, false, 0); + cancel_delayed_work_sync(&chg->pl_enable_work); - vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0); - vote(chg->awake_votable, PL_DELAY_VOTER, false, 0); + cancel_delayed_work_sync(&chg->hvdcp_detect_work); + + /* reset input current limit voters */ + vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, 100000); + vote(chg->usb_icl_votable, PD_VOTER, false, 0); + vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); + vote(chg->usb_icl_votable, DCP_VOTER, false, 0); + vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, false, 0); + /* reset hvdcp voters */ + vote(chg->hvdcp_disable_votable_indirect, VBUS_CC_SHORT_VOTER, true, 0); + vote(chg->hvdcp_disable_votable_indirect, PD_INACTIVE_VOTER, true, 0); + + /* reset power delivery voters */ + vote(chg->pd_allowed_votable, PD_VOTER, false, 0); vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, true, 0); vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, true, 0); + + /* reset usb irq voters */ vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0); vote(chg->usb_irq_enable_votable, QC_VOTER, false, 0); - /* reset votes from vbus_cc_short */ - vote(chg->hvdcp_disable_votable_indirect, VBUS_CC_SHORT_VOTER, - true, 0); - vote(chg->hvdcp_disable_votable_indirect, PD_INACTIVE_VOTER, - true, 0); - /* - * cable could be removed during hard reset, remove its vote to - * disable apsd - */ - vote(chg->apsd_disable_votable, PD_HARD_RESET_VOTER, false, 0); + /* reset parallel voters */ + vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0); + vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0); + vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0); + vote(chg->awake_votable, PL_DELAY_VOTER, false, 0); chg->vconn_attempts = 0; chg->otg_attempts = 0; chg->pulse_cnt = 0; chg->usb_icl_delta_ua = 0; + chg->voltage_min_uv = MICRO_5V; + chg->voltage_max_uv = MICRO_5V; + chg->pd_active = 0; + chg->pd_hard_reset = 0; /* enable APSD CC trigger for next insertion */ rc = smblib_masked_write(chg, TYPE_C_CFG_REG, @@ -3636,9 +3598,42 @@ static void smblib_handle_typec_removal(struct smb_charger *chg) if (rc < 0) smblib_err(chg, "Couldn't enable APSD_START_ON_CC rc=%d\n", rc); - smblib_update_usb_type(chg); - typec_source_removal(chg); + if (chg->wa_flags & QC_AUTH_INTERRUPT_WA_BIT) { + /* re-enable AUTH_IRQ_EN_CFG_BIT */ + rc = smblib_masked_write(chg, + USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, + AUTH_IRQ_EN_CFG_BIT, AUTH_IRQ_EN_CFG_BIT); + if (rc < 0) + smblib_err(chg, + "Couldn't enable QC auth setting rc=%d\n", rc); + } + + /* reconfigure allowed voltage for HVDCP */ + rc = smblib_set_adapter_allowance(chg, + USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); + if (rc < 0) + smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", + rc); + + /* enable DRP */ + rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, + TYPEC_POWER_ROLE_CMD_MASK, 0); + if (rc < 0) + smblib_err(chg, "Couldn't enable DRP rc=%d\n", rc); + + /* HW controlled CC_OUT */ + rc = smblib_masked_write(chg, TAPER_TIMER_SEL_CFG_REG, + TYPEC_SPARE_CFG_BIT, 0); + if (rc < 0) + smblib_err(chg, "Couldn't enable HW cc_out rc=%d\n", rc); + + /* restore crude sensor */ + rc = smblib_write(chg, TM_IO_DTEST4_SEL, 0xA5); + if (rc < 0) + smblib_err(chg, "Couldn't restore crude sensor rc=%d\n", rc); + typec_sink_removal(chg); + smblib_update_usb_type(chg); } static void smblib_handle_typec_insertion(struct smb_charger *chg, @@ -3655,7 +3650,6 @@ static void smblib_handle_typec_insertion(struct smb_charger *chg, rc); if (sink_attached) { - typec_source_removal(chg); typec_sink_insertion(chg); } else { typec_sink_removal(chg); @@ -3663,8 +3657,7 @@ static void smblib_handle_typec_insertion(struct smb_charger *chg, } rp = smblib_get_prop_ufp_mode(chg); - if (rp == POWER_SUPPLY_TYPEC_SOURCE_HIGH - || rp == POWER_SUPPLY_TYPEC_NON_COMPLIANT) { + if (rp == POWER_SUPPLY_TYPEC_SOURCE_HIGH) { smblib_dbg(chg, PR_MISC, "VBUS & CC could be shorted; keeping HVDCP disabled\n"); vote(chg->hvdcp_disable_votable_indirect, VBUS_CC_SHORT_VOTER, true, 0); @@ -3680,10 +3673,20 @@ static void smblib_handle_typec_debounce_done(struct smb_charger *chg, int rc; union power_supply_propval pval = {0, }; - if (rising) - smblib_handle_typec_insertion(chg, sink_attached, legacy_cable); - else - smblib_handle_typec_removal(chg); + if (rising) { + if (!chg->typec_present) { + chg->typec_present = true; + smblib_dbg(chg, PR_MISC, "TypeC insertion\n"); + smblib_handle_typec_insertion(chg, sink_attached, + legacy_cable); + } + } else { + if (chg->typec_present) { + chg->typec_present = false; + smblib_dbg(chg, PR_MISC, "TypeC removal\n"); + smblib_handle_typec_removal(chg); + } + } rc = smblib_get_prop_typec_mode(chg, &pval); if (rc < 0) diff --git a/drivers/power/supply/qcom/smb-lib.h b/drivers/power/supply/qcom/smb-lib.h index 70371decacd8..002d58b8c33c 100644 --- a/drivers/power/supply/qcom/smb-lib.h +++ b/drivers/power/supply/qcom/smb-lib.h @@ -307,6 +307,7 @@ struct smb_charger { int otg_cl_ua; bool uusb_apsd_rerun_done; bool pd_hard_reset; + bool typec_present; /* workaround flag */ u32 wa_flags; |
