1 // SPDX-License-Identifier: GPL-2.0+
4  * Maxime Ripard <maxime.ripard@free-electrons.com>
23 	struct drm_panel	*panel;  member
42 	struct sun4i_lvds *lvds =  in sun4i_lvds_get_modes()  local
45 	return drm_panel_get_modes(lvds->panel);  in sun4i_lvds_get_modes()
55 	struct sun4i_lvds *lvds = drm_connector_to_sun4i_lvds(connector);  in sun4i_lvds_connector_destroy()  local
57 	drm_panel_detach(lvds->panel);  in sun4i_lvds_connector_destroy()
71 	struct sun4i_lvds *lvds = drm_encoder_to_sun4i_lvds(encoder);  in sun4i_lvds_encoder_enable()  local
73 	DRM_DEBUG_DRIVER("Enabling LVDS output\n");  in sun4i_lvds_encoder_enable()
75 	if (lvds->panel) {  in sun4i_lvds_encoder_enable()
76 		drm_panel_prepare(lvds->panel);  in sun4i_lvds_encoder_enable()
77 		drm_panel_enable(lvds->panel);  in sun4i_lvds_encoder_enable()
83 	struct sun4i_lvds *lvds = drm_encoder_to_sun4i_lvds(encoder);  in sun4i_lvds_encoder_disable()  local
85 	DRM_DEBUG_DRIVER("Disabling LVDS output\n");  in sun4i_lvds_encoder_disable()
87 	if (lvds->panel) {  in sun4i_lvds_encoder_disable()
88 		drm_panel_disable(lvds->panel);  in sun4i_lvds_encoder_disable()
89 		drm_panel_unprepare(lvds->panel);  in sun4i_lvds_encoder_disable()
106 	struct sun4i_lvds *lvds;  in sun4i_lvds_init()  local
109 	lvds = devm_kzalloc(drm->dev, sizeof(*lvds), GFP_KERNEL);  in sun4i_lvds_init()
110 	if (!lvds)  in sun4i_lvds_init()
111 		return -ENOMEM;  in sun4i_lvds_init()
112 	encoder = &lvds->encoder;  in sun4i_lvds_init()
114 	ret = drm_of_find_panel_or_bridge(tcon->dev->of_node, 1, 0,  in sun4i_lvds_init()
115 					  &lvds->panel, &bridge);  in sun4i_lvds_init()
117 		dev_info(drm->dev, "No panel or bridge found... LVDS output disabled\n");  in sun4i_lvds_init()
121 	drm_encoder_helper_add(&lvds->encoder,  in sun4i_lvds_init()
124 			       &lvds->encoder,  in sun4i_lvds_init()
129 		dev_err(drm->dev, "Couldn't initialise the lvds encoder\n");  in sun4i_lvds_init()
133 	/* The LVDS encoder can only work with the TCON channel 0 */  in sun4i_lvds_init()
134 	lvds->encoder.possible_crtcs = drm_crtc_mask(&tcon->crtc->crtc);  in sun4i_lvds_init()
136 	if (lvds->panel) {  in sun4i_lvds_init()
137 		drm_connector_helper_add(&lvds->connector,  in sun4i_lvds_init()
139 		ret = drm_connector_init(drm, &lvds->connector,  in sun4i_lvds_init()
143 			dev_err(drm->dev, "Couldn't initialise the lvds connector\n");  in sun4i_lvds_init()
147 		drm_connector_attach_encoder(&lvds->connector,  in sun4i_lvds_init()
148 						  &lvds->encoder);  in sun4i_lvds_init()
150 		ret = drm_panel_attach(lvds->panel, &lvds->connector);  in sun4i_lvds_init()
152 			dev_err(drm->dev, "Couldn't attach our panel\n");  in sun4i_lvds_init()
160 			dev_err(drm->dev, "Couldn't attach our bridge\n");  in sun4i_lvds_init()
168 	drm_encoder_cleanup(&lvds->encoder);  in sun4i_lvds_init()