2 * rcar_du_lvdscon.c -- R-Car Display Unit LVDS Connector
4 * Copyright (C) 2013 Renesas Corporation
6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
15 #include <drm/drm_crtc.h>
16 #include <drm/drm_crtc_helper.h>
18 #include "rcar_du_drv.h"
19 #include "rcar_du_encoder.h"
20 #include "rcar_du_kms.h"
21 #include "rcar_du_lvdscon.h"
23 struct rcar_du_lvds_connector {
24 struct rcar_du_connector connector;
26 const struct rcar_du_panel_data *panel;
29 #define to_rcar_lvds_connector(c) \
30 container_of(c, struct rcar_du_lvds_connector, connector.connector)
32 static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector)
34 struct rcar_du_lvds_connector *lvdscon =
35 to_rcar_lvds_connector(connector);
36 struct drm_display_mode *mode;
38 mode = drm_mode_create(connector->dev);
42 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
43 mode->clock = lvdscon->panel->mode.clock;
44 mode->hdisplay = lvdscon->panel->mode.hdisplay;
45 mode->hsync_start = lvdscon->panel->mode.hsync_start;
46 mode->hsync_end = lvdscon->panel->mode.hsync_end;
47 mode->htotal = lvdscon->panel->mode.htotal;
48 mode->vdisplay = lvdscon->panel->mode.vdisplay;
49 mode->vsync_start = lvdscon->panel->mode.vsync_start;
50 mode->vsync_end = lvdscon->panel->mode.vsync_end;
51 mode->vtotal = lvdscon->panel->mode.vtotal;
52 mode->flags = lvdscon->panel->mode.flags;
54 drm_mode_set_name(mode);
55 drm_mode_probed_add(connector, mode);
60 static const struct drm_connector_helper_funcs connector_helper_funcs = {
61 .get_modes = rcar_du_lvds_connector_get_modes,
62 .best_encoder = rcar_du_connector_best_encoder,
65 static void rcar_du_lvds_connector_destroy(struct drm_connector *connector)
67 drm_connector_unregister(connector);
68 drm_connector_cleanup(connector);
71 static enum drm_connector_status
72 rcar_du_lvds_connector_detect(struct drm_connector *connector, bool force)
74 return connector_status_connected;
77 static const struct drm_connector_funcs connector_funcs = {
78 .dpms = drm_helper_connector_dpms,
79 .detect = rcar_du_lvds_connector_detect,
80 .fill_modes = drm_helper_probe_single_connector_modes,
81 .destroy = rcar_du_lvds_connector_destroy,
84 int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu,
85 struct rcar_du_encoder *renc,
86 const struct rcar_du_panel_data *panel)
88 struct rcar_du_lvds_connector *lvdscon;
89 struct drm_connector *connector;
92 lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL);
96 lvdscon->panel = panel;
98 connector = &lvdscon->connector.connector;
99 connector->display_info.width_mm = panel->width_mm;
100 connector->display_info.height_mm = panel->height_mm;
102 ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
103 DRM_MODE_CONNECTOR_LVDS);
107 drm_connector_helper_add(connector, &connector_helper_funcs);
108 ret = drm_connector_register(connector);
112 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
113 drm_object_property_set_value(&connector->base,
114 rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
116 ret = drm_mode_connector_attach_encoder(connector, &renc->encoder);
120 connector->encoder = &renc->encoder;
121 lvdscon->connector.encoder = renc;