include/drm/drm_bridge.h

47  * enum drm_bridge_attach_flags - Flags for &drm_bridge_funcs.attach
58  * struct drm_bridge_funcs - drm_bridge control functions
93 	 * may be responsible to set a clock value. If the clock can not
109 	 * to look at anything else but the passed-in mode, and validate it
110 	 * against configuration-invariant hardware constraints. Any further
163 	 * @disable:
165 	 * This callback should disable the bridge. It is called right before
168 	 * bridge's @disable vfunc. If the preceding element is a &drm_encoder
169 	 * it's called right before the &drm_encoder_helper_funcs.disable,
176 	 * The @disable callback is optional.
183 	void (*disable)(struct drm_bridge *bridge);  member
188 	 * This callback should disable the bridge. It is called right after the
193 	 * &drm_encoder_helper_funcs.disable, &drm_encoder_helper_funcs.prepare
330 	 * This callback should disable the bridge. It is called right before
333 	 * bridge's @atomic_disable or @disable vfunc. If the preceding element
348 	 * This callback should disable the bridge. It is called right after the
368 	 * non-NULL).
527 	 * DRM_BRIDGE_OP_DETECT flag in their &drm_bridge->ops.
541 	 * The @get_modes callback is mostly intended to support non-probeable
544 	 * &drm_bridge_funcs->edid_read callback instead.
547 	 * DRM_BRIDGE_OP_MODES flag in their &drm_bridge->ops.
575 	 * DRM_BRIDGE_OP_EDID flag in their &drm_bridge->ops.
594 	 * Notify the bridge of hot plug detection.
607 	 * Enable hot plug detection. From now on the bridge shall call
609 	 * connection status, until hot plug detection gets disabled with
613 	 * that support hot-plug notification without polling. Bridges that
615 	 * the DRM_BRIDGE_OP_HPD flag in their &drm_bridge->ops.
622 	 * Disable hot plug detection. Once this function returns the bridge
627 	 * that support hot-plug notification without polling. Bridges that
629 	 * the DRM_BRIDGE_OP_HPD flag in their &drm_bridge->ops.
642 	 * &drm_bridge->ops.
662 	 * set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
673 	 * set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
682 	 * Allows bridges to create bridge-specific debugfs files.
688  * struct drm_bridge_timings - timing information for the bridge
696 	 * &drm_display_info->bus_flags.
703 	 * stable before the clock edge.
710 	 * input signal after the clock edge.
716 	 * True if the bus operates in dual-link mode. The exact meaning is
717 	 * dependent on the bus type. For LVDS buses, this indicates that even-
718 	 * and odd-numbered pixels are received on separate links.
724  * enum drm_bridge_ops - Bitmask of operations supported by the bridge
730 	 * &drm_bridge_funcs->detect callback.
736 	 * the &drm_bridge_funcs->edid_read callback.
740 	 * @DRM_BRIDGE_OP_HPD: The bridge can detect hot-plug and hot-unplug
742 	 * implement the &drm_bridge_funcs->hpd_enable and
743 	 * &drm_bridge_funcs->hpd_disable callbacks if they support enabling
744 	 * and disabling hot-plug detection dynamically.
751 	 * this flag shall implement the &drm_bridge_funcs->get_modes callback.
757 	 * implement the &drm_bridge_funcs->write_infoframe callback.
767  * struct drm_bridge - central DRM bridge control structure
823 	 * @hpd_cb: Hot plug detection callback, registered with
828 	 * @hpd_data: Private data passed to the Hot plug detection callback
882  * drm_bridge_get_next_bridge() - Get the next bridge in the chain
891 	if (list_is_last(&bridge->chain_node, &bridge->encoder->bridge_chain))  in drm_bridge_get_next_bridge()
898  * drm_bridge_get_prev_bridge() - Get the previous bridge in the chain
907 	if (list_is_first(&bridge->chain_node, &bridge->encoder->bridge_chain))  in drm_bridge_get_prev_bridge()
914  * drm_bridge_chain_get_first_bridge() - Get the first bridge in the chain
924 	return list_first_entry_or_null(&encoder->bridge_chain,  in drm_bridge_chain_get_first_bridge()
929  * drm_for_each_bridge_in_chain() - Iterate over all bridges present in a chain
937 	list_for_each_entry(bridge, &(encoder)->bridge_chain, chain_node)
1005 	return -EINVAL;  in drm_panel_bridge_set_orientation()
1020 	return ERR_PTR(-ENODEV);  in devm_drm_of_get_bridge()
1028 	return ERR_PTR(-ENODEV);  in drmm_of_get_bridge()