evie/android_kernel_oneplus_msm8998
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power: smb-lib: Add USB notification

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In designs without the pd-phy interface the usb
insertion/removal and CC_orientation needs to be 
notified to the usb stack by the charger driver. 
Add this notification support via the extcon interface.

CRs-Fixed: 2086422
Change-Id: I22eae3f818859c8fbd08066f690517d4210c7dd3
Signed-off-by: Ankit Sharma <ansharma@codeaurora.org>
This commit is contained in:
Ankit Sharma 2017-08-14 17:08:23 +05:30
parent 86db25491e
commit 8cd61d5d11
2 changed files with 47 additions and 0 deletions
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40
drivers/power/supply/qcom/smb-lib.c
View file

@ -3566,6 +3566,32 @@ static void smblib_force_legacy_icl(struct smb_charger *chg, int pst)
}
}
static void smblib_notify_extcon_props(struct smb_charger *chg)
{
union power_supply_propval val;
smblib_get_prop_typec_cc_orientation(chg, &val);
extcon_set_cable_state_(chg->extcon, EXTCON_USB_CC,
(val.intval == 2) ? 1 : 0);
extcon_set_cable_state_(chg->extcon, EXTCON_USB_SPEED, true);
}
static void smblib_notify_device_mode(struct smb_charger *chg, bool enable)
{
if (enable)
smblib_notify_extcon_props(chg);
extcon_set_cable_state_(chg->extcon, EXTCON_USB, enable);
}
static void smblib_notify_usb_host(struct smb_charger *chg, bool enable)
{
if (enable)
smblib_notify_extcon_props(chg);
extcon_set_cable_state_(chg->extcon, EXTCON_USB_HOST, enable);
}
#define HVDCP_DET_MS 2500
static void smblib_handle_apsd_done(struct smb_charger *chg, bool rising)
{
@ -3585,6 +3611,8 @@ static void smblib_handle_apsd_done(struct smb_charger *chg, bool rising)
if (chg->micro_usb_mode)
extcon_set_cable_state_(chg->extcon, EXTCON_USB,
true);
if (chg->use_extcon)
smblib_notify_device_mode(chg, true);
case OCP_CHARGER_BIT:
case FLOAT_CHARGER_BIT:
/* if not DCP then no hvdcp timeout happens, Enable pd here. */
@ -3669,6 +3697,10 @@ static void typec_sink_insertion(struct smb_charger *chg)
*/
vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER,
false, 0);
if (chg->use_extcon) {
smblib_notify_usb_host(chg, true);
chg->otg_present = true;
}
}
static void typec_sink_removal(struct smb_charger *chg)
@ -3817,6 +3849,14 @@ unlock:
typec_sink_removal(chg);
smblib_update_usb_type(chg);
if (chg->use_extcon) {
if (chg->otg_present)
smblib_notify_usb_host(chg, false);
else
smblib_notify_device_mode(chg, false);
}
chg->otg_present = false;
}
static void smblib_handle_typec_insertion(struct smb_charger *chg)

7
drivers/power/supply/qcom/smb-lib.h
View file

@ -139,9 +139,14 @@ struct smb_irq_info {
static const unsigned int smblib_extcon_cable[] = {
EXTCON_USB,
EXTCON_USB_HOST,
EXTCON_USB_CC,
EXTCON_USB_SPEED,
EXTCON_NONE,
};
/* EXTCON_USB and EXTCON_USB_HOST are mutually exclusive */
static const u32 smblib_extcon_exclusive[] = {0x3, 0};
struct smb_regulator {
struct regulator_dev *rdev;
struct regulator_desc rdesc;
@ -327,6 +332,8 @@ struct smb_charger {
int usb_icl_change_irq_enabled;
u32 jeita_status;
u8 float_cfg;
bool use_extcon;
bool otg_present;
/* workaround flag */
u32 wa_flags;