power/supply/cros_usbpd-charger.c

25 #define DRV_NAME "cros-usbpd-charger"
41 	struct charger_data *charger;
92 	return port->port_number >= port->charger->num_usbpd_ports;
95 static int cros_usbpd_charger_ec_command(struct charger_data *charger,
103 	struct cros_ec_dev *ec_dev = charger->ec_dev;
119 	ret = cros_ec_cmd_xfer_status(charger->ec_device, msg);
127 static int cros_usbpd_charger_get_num_ports(struct charger_data *charger)
132 	ret = cros_usbpd_charger_ec_command(charger, 0,
141 static int cros_usbpd_charger_get_usbpd_num_ports(struct charger_data *charger)
146 	ret = cros_usbpd_charger_ec_command(charger, 0, EC_CMD_USB_PD_PORTS,
156 	struct charger_data *charger = port->charger;
163 	ret = cros_usbpd_charger_ec_command(charger, 0,
168 		dev_err(charger->dev,
173 	dev_dbg(charger->dev, "Port %d: VID = 0x%x, PID=0x%x, PTYPE=0x%x\n",
185 	struct charger_data *charger = port->charger;
189 	struct device *dev = charger->dev;
193 	ret = cros_usbpd_charger_ec_command(charger, 0,
269 		 * While the EC is trying to determine the type of charger that
270 		 * has been plugged in, it will report the charger type as
328 static int cros_usbpd_charger_set_ext_power_limit(struct charger_data *charger,
338 	ret = cros_usbpd_charger_ec_command(charger, 0,
342 		dev_err(charger->dev,
351 	struct charger_data *charger = port->charger;
354 	for (i = 0; i < charger->num_registered_psy; i++)
355 		cros_usbpd_charger_get_port_status(charger->ports[i], false);
363 	struct charger_data *charger = port->charger;
364 	struct cros_ec_device *ec_device = charger->ec_device;
365 	struct device *dev = charger->dev;
450 	struct charger_data *charger = port->charger;
451 	struct device *dev = charger->dev;
466 		ret = cros_usbpd_charger_set_ext_power_limit(charger, intval,
481 		ret = cros_usbpd_charger_set_ext_power_limit(charger,
524 	struct charger_data *charger = container_of(nb, struct charger_data,
527 	cros_usbpd_charger_power_changed(charger->ports[0]->psy);
533 	struct charger_data *charger = data;
535 	cros_usbpd_unregister_notify(&charger->notifier);
544 	struct charger_data *charger;
550 	charger = devm_kzalloc(dev, sizeof(struct charger_data),
552 	if (!charger)
555 	charger->dev = dev;
556 	charger->ec_dev = ec_dev;
557 	charger->ec_device = ec_device;
559 	platform_set_drvdata(pd, charger);
566 	charger->num_usbpd_ports =
567 		cros_usbpd_charger_get_usbpd_num_ports(charger);
568 	if (charger->num_usbpd_ports <= 0) {
576 	charger->num_charger_ports = cros_usbpd_charger_get_num_ports(charger);
577 	if (charger->num_charger_ports < 0) {
582 		 * let's set up the number of charger ports equal to the number
585 		dev_info(dev, "Could not get charger port count\n");
586 		charger->num_charger_ports = charger->num_usbpd_ports;
589 	if (charger->num_charger_ports <= 0) {
604 	if (charger->num_charger_ports < charger->num_usbpd_ports ||
605 	    charger->num_charger_ports > (charger->num_usbpd_ports + 1)) {
611 	for (i = 0; i < charger->num_charger_ports; i++) {
620 		port->charger = charger;
660 		charger->ports[charger->num_registered_psy++] = port;
663 	if (!charger->num_registered_psy) {
670 	charger->notifier.notifier_call = cros_usbpd_charger_ec_event;
671 	ret = cros_usbpd_register_notify(&charger->notifier);
677 				charger);
695 	struct charger_data *charger = dev_get_drvdata(dev);
698 	if (!charger)
701 	for (i = 0; i < charger->num_registered_psy; i++) {
702 		power_supply_changed(charger->ports[i]->psy);
703 		charger->ports[i]->last_update =
725 MODULE_DESCRIPTION("ChromeOS EC USBPD charger");