include/linux/extcon.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * External Connector (extcon) framework
4  * - linux/include/linux/extcon.h for extcon consumer device driver.
26 #define EXTCON_TYPE_USB		BIT(0)	/* USB connector */
27 #define EXTCON_TYPE_CHG		BIT(1)	/* Charger connector */
28 #define EXTCON_TYPE_JACK	BIT(2)	/* Jack connector */
29 #define EXTCON_TYPE_DISP	BIT(3)	/* Display connector */
30 #define EXTCON_TYPE_MISC	BIT(4)	/* Miscellaneous connector */
37 /* USB external connector */
43  * Charging external connector
45  * When one SDP charger connector was reported, we should also report
46  * the USB connector, which means EXTCON_CHG_USB_SDP should always
47  * appear together with EXTCON_USB. The same as ACA charger connector,
50  * The EXTCON_CHG_USB_SLOW connector can provide at least 500mA of
51  * current at 5V. The EXTCON_CHG_USB_FAST connector can provide at
61 #define EXTCON_CHG_USB_PD	12	/* USB Power Delivery */
63 /* Jack external connector */
73 /* Display external connector */
74 #define EXTCON_DISP_HDMI	40	/* High-Definition Multimedia Interface */
75 #define EXTCON_DISP_MHL		41	/* Mobile High-Definition Link */
79 #define EXTCON_DISP_HMD		45	/* Head-Mounted Display */
83 /* Miscellaneous external connector */
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)
173  * Following APIs get the connected state of each external connector.
174  * The 'id' argument indicates the defined external connector.
179  * Following APIs get the property of each external connector.
180  * The 'id' argument indicates the defined external connector
184  * for each external connector. They are used to get the capability of the
185  * property of each external connector based on the id and property.
195  * the change of both state and property value for each external connector.
198  *			for specific external connector of the extcon.
270 	return -ENOSYS;  in devm_extcon_register_notifier()
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()