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Commit 3ef647eb authored by Ashay Jaiswal's avatar Ashay Jaiswal
Browse files

power: smb5: add support to handle pulse skip interrupt 



Pulse skip IRQ is generated by PBS sequence whenever main
charger is in pulse skip mode, add support to handle pulse
skip IRQ and report pulse skip state to userspace.

Change-Id: I2c764cb17d0d8bb4abe98fa42788407ed2726628
Signed-off-by: default avatarAshay Jaiswal <ashayj@codeaurora.org>
parent 23041952

drivers/power/supply/qcom/qpnp-smb5.c

+9 −0
Original line number Diff line number Diff line
@@ -1073,6 +1073,7 @@ static enum power_supply_property smb5_usb_main_props[] = { 
	POWER_SUPPLY_PROP_FLASH_TRIGGER,

	POWER_SUPPLY_PROP_TOGGLE_STAT,

	POWER_SUPPLY_PROP_MAIN_FCC_MAX,

	POWER_SUPPLY_PROP_IRQ_STATUS,

};



static int smb5_usb_main_get_prop(struct power_supply *psy,
@@ -1118,6 +1119,9 @@ static int smb5_usb_main_get_prop(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_MAIN_FCC_MAX:

		val->intval = chg->main_fcc_max;

		break;

	case POWER_SUPPLY_PROP_IRQ_STATUS:

		rc = smblib_get_irq_status(chg, val);

		break;

	default:

		pr_debug("get prop %d is not supported in usb-main\n", psp);

		rc = -EINVAL;
@@ -3072,6 +3076,11 @@ static struct smb_irq_info smb5_irqs[] = { 
	[FLASH_EN_IRQ] = {

		.name		= "flash-en",

	},

	/* SDAM */

	[SDAM_STS_IRQ] = {

		.name		= "sdam-sts",

		.handler	= sdam_sts_change_irq_handler,

	},

};



static int smb5_get_irq_index_byname(const char *irq_name)

drivers/power/supply/qcom/smb5-lib.c

+39 −0
Original line number Diff line number Diff line
@@ -1416,6 +1416,29 @@ int smblib_toggle_smb_en(struct smb_charger *chg, int toggle) 
	return rc;

}



int smblib_get_irq_status(struct smb_charger *chg,

				union power_supply_propval *val)

{

	int rc;

	u8 reg;



	mutex_lock(&chg->irq_status_lock);

	/* Report and clear cached status */

	val->intval = chg->irq_status;

	chg->irq_status = 0;



	/* get real time status of pulse skip irq */

	rc = smblib_read(chg, MISC_PBS_RT_STS_REG, &reg);

	if (rc < 0)

		smblib_err(chg, "Couldn't read MISC_PBS_RT_STS_REG rc=%d\n",

				rc);

	else

		val->intval |= (reg & PULSE_SKIP_IRQ_BIT);

	mutex_unlock(&chg->irq_status_lock);



	return rc;

}



/****************************

 * uUSB Moisture Protection *

 ****************************/
@@ -4470,6 +4493,21 @@ irqreturn_t default_irq_handler(int irq, void *data) 
	return IRQ_HANDLED;

}



irqreturn_t sdam_sts_change_irq_handler(int irq, void *data)

{

	struct smb_irq_data *irq_data = data;

	struct smb_charger *chg = irq_data->parent_data;



	smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);



	mutex_lock(&chg->irq_status_lock);

	chg->irq_status |= PULSE_SKIP_IRQ_BIT;

	mutex_unlock(&chg->irq_status_lock);



	power_supply_changed(chg->usb_main_psy);

	return IRQ_HANDLED;

}



#define CHG_TERM_WA_ENTRY_DELAY_MS		300000		/* 5 min */

#define CHG_TERM_WA_EXIT_DELAY_MS		60000		/* 1 min */

static void smblib_eval_chg_termination(struct smb_charger *chg, u8 batt_status)
@@ -6864,6 +6902,7 @@ int smblib_init(struct smb_charger *chg) 
	int rc = 0;



	mutex_init(&chg->smb_lock);

	mutex_init(&chg->irq_status_lock);

	INIT_WORK(&chg->bms_update_work, bms_update_work);

	INIT_WORK(&chg->pl_update_work, pl_update_work);

	INIT_WORK(&chg->jeita_update_work, jeita_update_work);

drivers/power/supply/qcom/smb5-lib.h

+6 −1
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ enum smb_irq_index { 
	FLASH_STATE_CHANGE_IRQ,

	TORCH_REQ_IRQ,

	FLASH_EN_IRQ,

	SDAM_STS_IRQ,

	/* END */

	SMB_IRQ_MAX,

};
@@ -375,6 +376,7 @@ struct smb_charger { 
	struct mutex		smb_lock;

	struct mutex		ps_change_lock;

	struct mutex		dr_lock;

	struct mutex		irq_status_lock;



	/* power supplies */

	struct power_supply		*batt_psy;
@@ -551,6 +553,7 @@ struct smb_charger { 
	u32			headroom_mode;

	bool			flash_init_done;

	bool			flash_active;

	u32			irq_status;



	/* wireless */

	int			wireless_vout;
@@ -610,7 +613,7 @@ irqreturn_t wdog_bark_irq_handler(int irq, void *data); 
irqreturn_t typec_or_rid_detection_change_irq_handler(int irq, void *data);

irqreturn_t temp_change_irq_handler(int irq, void *data);

irqreturn_t usbin_ov_irq_handler(int irq, void *data);



irqreturn_t sdam_sts_change_irq_handler(int irq, void *data);

int smblib_get_prop_input_suspend(struct smb_charger *chg,

				union power_supply_propval *val);

int smblib_get_prop_batt_present(struct smb_charger *chg,
@@ -751,6 +754,8 @@ void smblib_hvdcp_detect_enable(struct smb_charger *chg, bool enable); 
void smblib_hvdcp_exit_config(struct smb_charger *chg);

void smblib_apsd_enable(struct smb_charger *chg, bool enable);

int smblib_force_vbus_voltage(struct smb_charger *chg, u8 val);

int smblib_get_irq_status(struct smb_charger *chg,

				union power_supply_propval *val);



int smblib_init(struct smb_charger *chg);

int smblib_deinit(struct smb_charger *chg);

drivers/power/supply/qcom/smb5-reg.h

+4 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#define DCIN_BASE	0x1400

#define TYPEC_BASE	0X1500

#define MISC_BASE	0x1600

#define MISC_PBS_BASE	0x7500



#define PERPH_TYPE_OFFSET	0x04

#define TYPE_MASK		GENMASK(7, 0)
@@ -548,4 +549,7 @@ enum { 


#define SMB_REG_H_THRESHOLD_MSB_REG		(MISC_BASE + 0XBC)



/* SDAM regs */

#define MISC_PBS_RT_STS_REG			(MISC_PBS_BASE + 0x10)

#define PULSE_SKIP_IRQ_BIT			BIT(4)

#endif /* __SMB5_CHARGER_REG_H */