1 /* SPDX-License-Identifier: GPL-2.0 */
5  * The DP AUX bus is used for devices that are connected over a DisplayPort
6  * AUX bus. The devices on the far side of the bus are referred to as
17  * struct dp_aux_ep_device - Main dev structure for DP AUX endpoints
19  * This is used to instantiate devices that are connected via a DP AUX
20  * bus. Usually the device is a panel, but conceivable other devices could
26 	/** @aux: Pointer to the aux bus */
27 	struct drm_dp_aux *aux;  member
47 int of_dp_aux_populate_bus(struct drm_dp_aux *aux,
48 			   int (*done_probing)(struct drm_dp_aux *aux));
49 void of_dp_aux_depopulate_bus(struct drm_dp_aux *aux);
50 int devm_of_dp_aux_populate_bus(struct drm_dp_aux *aux,
51 				int (*done_probing)(struct drm_dp_aux *aux));
54 static inline int of_dp_aux_populate_ep_devices(struct drm_dp_aux *aux)  in of_dp_aux_populate_ep_devices()  argument
58 	ret = of_dp_aux_populate_bus(aux, NULL);  in of_dp_aux_populate_ep_devices()
60 	/* New API returns -ENODEV for no child case; adapt to old assumption */  in of_dp_aux_populate_ep_devices()
61 	return (ret != -ENODEV) ? ret : 0;  in of_dp_aux_populate_ep_devices()
64 static inline int devm_of_dp_aux_populate_ep_devices(struct drm_dp_aux *aux)  in devm_of_dp_aux_populate_ep_devices()  argument
68 	ret = devm_of_dp_aux_populate_bus(aux, NULL);  in devm_of_dp_aux_populate_ep_devices()
70 	/* New API returns -ENODEV for no child case; adapt to old assumption */  in devm_of_dp_aux_populate_ep_devices()
71 	return (ret != -ENODEV) ? ret : 0;  in devm_of_dp_aux_populate_ep_devices()
74 static inline void of_dp_aux_depopulate_ep_devices(struct drm_dp_aux *aux)  in of_dp_aux_depopulate_ep_devices()  argument
76 	of_dp_aux_depopulate_bus(aux);  in of_dp_aux_depopulate_ep_devices()