2 * rcar_du_vgacon.c -- R-Car Display Unit VGA 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_vgacon.h"
23 static int rcar_du_vga_connector_get_modes(struct drm_connector *connector)
28 static const struct drm_connector_helper_funcs connector_helper_funcs = {
29 .get_modes = rcar_du_vga_connector_get_modes,
30 .best_encoder = rcar_du_connector_best_encoder,
33 static void rcar_du_vga_connector_destroy(struct drm_connector *connector)
35 drm_connector_unregister(connector);
36 drm_connector_cleanup(connector);
39 static enum drm_connector_status
40 rcar_du_vga_connector_detect(struct drm_connector *connector, bool force)
42 return connector_status_connected;
45 static const struct drm_connector_funcs connector_funcs = {
46 .dpms = drm_helper_connector_dpms,
47 .detect = rcar_du_vga_connector_detect,
48 .fill_modes = drm_helper_probe_single_connector_modes,
49 .destroy = rcar_du_vga_connector_destroy,
52 int rcar_du_vga_connector_init(struct rcar_du_device *rcdu,
53 struct rcar_du_encoder *renc)
55 struct rcar_du_connector *rcon;
56 struct drm_connector *connector;
59 rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
63 connector = &rcon->connector;
64 connector->display_info.width_mm = 0;
65 connector->display_info.height_mm = 0;
67 ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
68 DRM_MODE_CONNECTOR_VGA);
72 drm_connector_helper_add(connector, &connector_helper_funcs);
73 ret = drm_connector_register(connector);
77 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
78 drm_object_property_set_value(&connector->base,
79 rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
81 ret = drm_mode_connector_attach_encoder(connector, &renc->encoder);
85 connector->encoder = &renc->encoder;