1 /* SPDX-License-Identifier: GPL-2.0-only */
4  * - linux/include/linux/extcon.h for extcon consumer device driver.
26 #define EXTCON_TYPE_USB		BIT(0)	/* USB connector */
33  * Define the unique id of supported external connectors
37 /* USB external connector */
46  * the USB connector, which means EXTCON_CHG_USB_SDP should always
54 #define EXTCON_CHG_USB_SDP	5	/* Standard Downstream Port */
55 #define EXTCON_CHG_USB_DCP	6	/* Dedicated Charging Port */
56 #define EXTCON_CHG_USB_CDP	7	/* Charging Downstream Port */
61 #define EXTCON_CHG_USB_PD	12	/* USB Power Delivery */
74 #define EXTCON_DISP_HDMI	40	/* High-Definition Multimedia Interface */
75 #define EXTCON_DISP_MHL		41	/* Mobile High-Definition Link */
78 #define EXTCON_DISP_DP		44	/* Display Port */
79 #define EXTCON_DISP_HMD		45	/* Head-Mounted Display */
81 #define EXTCON_DISP_EDP		47	/* Embedded Display Port */
102  * EXTCON_PROP_USB_[property name]	: USB property
111  * - EXTCON_PROP_USB_VBUS
115  * - EXTCON_PROP_USB_TYPEC_POLARITY
119  * - EXTCON_PROP_USB_SS (SuperSpeed)
121  * @value:      0 (USB/USB2) or 1 (USB3)
122  * @default:    0 (USB/USB2)
131 #define EXTCON_PROP_USB_CNT	(EXTCON_PROP_USB_MAX - EXTCON_PROP_USB_MIN + 1)
136 #define EXTCON_PROP_CHG_CNT	(EXTCON_PROP_CHG_MAX - EXTCON_PROP_CHG_MIN + 1)
141 #define EXTCON_PROP_JACK_CNT (EXTCON_PROP_JACK_MAX - EXTCON_PROP_JACK_MIN + 1)
146  * - EXTCON_PROP_DISP_HPD (Hot Plug Detect)
157 #define EXTCON_PROP_DISP_CNT (EXTCON_PROP_DISP_MAX - EXTCON_PROP_DISP_MIN + 1)
174  * The 'id' argument indicates the defined external connector.
176 int extcon_get_state(struct extcon_dev *edev, unsigned int id);
180  * The 'id' argument indicates the defined external connector
185  * property of each external connector based on the id and property.
187 int extcon_get_property(struct extcon_dev *edev, unsigned int id,
191 				unsigned int id, unsigned int prop);
197  * extcon_register_notifier(*edev, id, *nb) : Register a notifier block
202 int extcon_register_notifier(struct extcon_dev *edev, unsigned int id,
204 int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id,
207 				struct extcon_dev *edev, unsigned int id,
210 				struct extcon_dev *edev, unsigned int id,
236 static inline int extcon_get_state(struct extcon_dev *edev, unsigned int id)  in extcon_get_state()  argument
241 static inline int extcon_get_property(struct extcon_dev *edev, unsigned int id,  in extcon_get_property()  argument
249 				unsigned int id, unsigned int prop)  in extcon_get_property_capability()  argument
255 				unsigned int id, struct notifier_block *nb)  in extcon_register_notifier()  argument
261 				unsigned int id, struct notifier_block *nb)  in extcon_unregister_notifier()  argument
267 				struct extcon_dev *edev, unsigned int id,  in devm_extcon_register_notifier()  argument
270 	return -ENOSYS;  in devm_extcon_register_notifier()
274 				struct extcon_dev *edev, unsigned int id,  in devm_extcon_unregister_notifier()  argument
302 	return ERR_PTR(-ENODEV);  in extcon_get_extcon_dev()
307 	return ERR_PTR(-ENODEV);  in extcon_find_edev_by_node()
313 	return ERR_PTR(-ENODEV);  in extcon_get_edev_by_phandle()
337 	return -EINVAL;  in extcon_register_interest()
342 	return -EINVAL;  in extcon_unregister_interest()