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@@ -0,0 +1,130 @@
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+/*
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+ * rcar_du_lvdscon.c -- R-Car Display Unit LVDS Connector
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+ *
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+ * Copyright (C) 2013 Renesas Corporation
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+ *
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+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ */
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+
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+#include <drm/drmP.h>
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+#include <drm/drm_crtc.h>
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+#include <drm/drm_crtc_helper.h>
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+
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+#include "rcar_du_drv.h"
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+#include "rcar_du_kms.h"
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+#include "rcar_du_lvdscon.h"
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+
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+struct rcar_du_lvds_connector {
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+ struct rcar_du_connector connector;
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+
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+ const struct rcar_du_panel_data *panel;
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+};
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+
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+#define to_rcar_lvds_connector(c) \
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+ container_of(c, struct rcar_du_lvds_connector, connector.connector)
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+
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+static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector)
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+{
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+ struct rcar_du_lvds_connector *lvdscon =
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+ to_rcar_lvds_connector(connector);
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+ struct drm_display_mode *mode;
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+
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+ mode = drm_mode_create(connector->dev);
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+ if (mode == NULL)
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+ return 0;
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+
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+ mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
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+ mode->clock = lvdscon->panel->mode.clock;
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+ mode->hdisplay = lvdscon->panel->mode.hdisplay;
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+ mode->hsync_start = lvdscon->panel->mode.hsync_start;
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+ mode->hsync_end = lvdscon->panel->mode.hsync_end;
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+ mode->htotal = lvdscon->panel->mode.htotal;
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+ mode->vdisplay = lvdscon->panel->mode.vdisplay;
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+ mode->vsync_start = lvdscon->panel->mode.vsync_start;
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+ mode->vsync_end = lvdscon->panel->mode.vsync_end;
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+ mode->vtotal = lvdscon->panel->mode.vtotal;
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+ mode->flags = lvdscon->panel->mode.flags;
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+
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+ drm_mode_set_name(mode);
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+ drm_mode_probed_add(connector, mode);
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+
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+ return 1;
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+}
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+
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+static int rcar_du_lvds_connector_mode_valid(struct drm_connector *connector,
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+ struct drm_display_mode *mode)
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+{
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+ return MODE_OK;
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+}
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+
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+static const struct drm_connector_helper_funcs connector_helper_funcs = {
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+ .get_modes = rcar_du_lvds_connector_get_modes,
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+ .mode_valid = rcar_du_lvds_connector_mode_valid,
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+ .best_encoder = rcar_du_connector_best_encoder,
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+};
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+
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+static void rcar_du_lvds_connector_destroy(struct drm_connector *connector)
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+{
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+ drm_sysfs_connector_remove(connector);
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+ drm_connector_cleanup(connector);
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+}
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+
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+static enum drm_connector_status
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+rcar_du_lvds_connector_detect(struct drm_connector *connector, bool force)
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+{
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+ return connector_status_connected;
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+}
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+
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+static const struct drm_connector_funcs connector_funcs = {
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+ .dpms = drm_helper_connector_dpms,
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+ .detect = rcar_du_lvds_connector_detect,
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+ .fill_modes = drm_helper_probe_single_connector_modes,
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+ .destroy = rcar_du_lvds_connector_destroy,
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+};
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+
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+int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu,
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+ struct rcar_du_encoder *renc,
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+ const struct rcar_du_panel_data *panel)
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+{
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+ struct rcar_du_lvds_connector *lvdscon;
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+ struct drm_connector *connector;
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+ int ret;
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+
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+ lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL);
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+ if (lvdscon == NULL)
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+ return -ENOMEM;
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+
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+ lvdscon->panel = panel;
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+
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+ connector = &lvdscon->connector.connector;
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+ connector->display_info.width_mm = panel->width_mm;
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+ connector->display_info.height_mm = panel->height_mm;
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+
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+ ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
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+ DRM_MODE_CONNECTOR_LVDS);
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+ if (ret < 0)
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+ return ret;
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+
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+ drm_connector_helper_add(connector, &connector_helper_funcs);
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+ ret = drm_sysfs_connector_add(connector);
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+ if (ret < 0)
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+ return ret;
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+
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+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
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+ drm_object_property_set_value(&connector->base,
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+ rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
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+
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+ ret = drm_mode_connector_attach_encoder(connector, &renc->encoder);
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+ if (ret < 0)
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+ return ret;
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+
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+ connector->encoder = &renc->encoder;
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+ lvdscon->connector.encoder = renc;
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+
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+ return 0;
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+}
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Laurent Pinchart