@@ -4,6 +4,7 @@ rcar-du-drm-y := rcar_du_crtc.o \
rcar_du_group.o \
rcar_du_kms.o \
rcar_du_lvdscon.o \
+ rcar_du_rgbcon.o \
rcar_du_plane.o \
rcar_du_vgacon.o
@@ -16,6 +16,7 @@
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_panel.h>
#include "rcar_du_drv.h"
#include "rcar_du_encoder.h"
@@ -23,6 +24,7 @@
#include "rcar_du_hdmienc.h"
#include "rcar_du_kms.h"
#include "rcar_du_lvdscon.h"
+#include "rcar_du_rgbcon.h"
#include "rcar_du_lvdsenc.h"
#include "rcar_du_vgacon.h"
@@ -42,6 +44,26 @@ rcar_du_connector_best_encoder(struct drm_connector *connector)
* Encoder
*/
+static unsigned int rcar_du_encoder_count_ports(struct device_node *node)
+{
+ struct device_node *ports;
+ struct device_node *port;
+ unsigned int num_ports = 0;
+
+ ports = of_get_child_by_name(node, "ports");
+ if (!ports)
+ ports = of_node_get(node);
+
+ for_each_child_of_node(ports, port) {
+ if (of_node_name_eq(port, "port"))
+ num_ports++;
+ }
+
+ of_node_put(ports);
+
+ return num_ports;
+}
+
static void rcar_du_encoder_disable(struct drm_encoder *encoder)
{
struct rcar_du_encoder *renc = to_rcar_encoder(encoder);
@@ -127,6 +149,7 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu,
{
struct rcar_du_encoder *renc;
struct drm_encoder *encoder;
+ struct drm_panel *panel;
unsigned int encoder_type;
int ret;
@@ -193,6 +216,19 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu,
ret = rcar_du_hdmi_connector_init(rcdu, renc);
break;
+ case DRM_MODE_ENCODER_NONE:
+ if ((output == RCAR_DU_OUTPUT_DPAD0 ||
+ output == RCAR_DU_OUTPUT_DPAD1) &&
+ rcar_du_encoder_count_ports(con_node) == 1) {
+ panel = of_drm_find_panel(con_node);
+ if (!panel)
+ ret = -EPROBE_DEFER;
+ else
+ ret = rcar_du_rgb_connector_init(rcdu, renc,
+ panel);
+ }
+ break;
+
default:
ret = -EINVAL;
break;
new file mode 100644
@@ -0,0 +1,105 @@
+/*
+ * rcar_du_rgbcon.c -- R-Car Display Unit RGB Connector
+ *
+ * Copyright (C) 2013-2020 Renesas Electronics Corporation
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_panel.h>
+
+#include "rcar_du_drv.h"
+#include "rcar_du_encoder.h"
+#include "rcar_du_kms.h"
+#include "rcar_du_rgbcon.h"
+
+struct rcar_du_rgb_connector {
+ struct rcar_du_connector connector;
+ struct drm_panel *drmpanel;
+};
+
+#define to_rcar_rgb_connector(c) \
+ container_of(c, struct rcar_du_rgb_connector, connector.connector)
+
+static int rcar_du_rgb_connector_get_modes(struct drm_connector *connector)
+{
+ struct rcar_du_rgb_connector *rgbcon =
+ to_rcar_rgb_connector(connector);
+
+ return drm_panel_get_modes(rgbcon->drmpanel);
+}
+
+static const struct drm_connector_helper_funcs connector_helper_funcs = {
+ .get_modes = rcar_du_rgb_connector_get_modes,
+ .best_encoder = rcar_du_connector_best_encoder,
+};
+
+static enum drm_connector_status
+rcar_du_rgb_connector_detect(struct drm_connector *connector, bool force)
+{
+ return connector_status_connected;
+}
+
+static void rcar_du_rgb_connector_destroy(struct drm_connector *connector)
+{
+ struct rcar_du_rgb_connector *rgbcon =
+ to_rcar_rgb_connector(connector);
+
+ drm_panel_detach(rgbcon->drmpanel);
+ drm_connector_cleanup(connector);
+}
+
+static const struct drm_connector_funcs connector_funcs = {
+ .dpms = drm_atomic_helper_connector_dpms,
+ .reset = drm_atomic_helper_connector_reset,
+ .detect = rcar_du_rgb_connector_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = rcar_du_rgb_connector_destroy,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+int rcar_du_rgb_connector_init(struct rcar_du_device *rcdu,
+ struct rcar_du_encoder *renc,
+ struct drm_panel *drmpanel)
+{
+ struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc);
+ struct rcar_du_rgb_connector *rgbcon;
+ struct drm_connector *connector;
+ int ret;
+
+ rgbcon = devm_kzalloc(rcdu->dev, sizeof(*rgbcon), GFP_KERNEL);
+ if (!rgbcon)
+ return -ENOMEM;
+
+ rgbcon->drmpanel = drmpanel;
+ connector = &rgbcon->connector.connector;
+ ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
+ DRM_MODE_CONNECTOR_DPI);
+ if (ret < 0)
+ return ret;
+
+ drm_connector_helper_add(connector, &connector_helper_funcs);
+
+ connector->dpms = DRM_MODE_DPMS_OFF;
+ drm_object_property_set_value(&connector->base,
+ rcdu->ddev->mode_config.dpms_property,
+ DRM_MODE_DPMS_OFF);
+
+ ret = drm_mode_connector_attach_encoder(connector, encoder);
+ if (ret < 0)
+ return ret;
+
+ drm_panel_attach(rgbcon->drmpanel, connector);
+ rgbcon->connector.encoder = renc;
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,22 @@
+/*
+ * rcar_du_rgbcon.h -- R-Car Display Unit RGB Connector
+ *
+ * Copyright (C) 2013-2020 Renesas Electronics Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __RCAR_DU_RGBCON_H__
+#define __RCAR_DU_RGBCON_H__
+
+struct rcar_du_device;
+struct rcar_du_encoder;
+
+int rcar_du_rgb_connector_init(struct rcar_du_device *rcdu,
+ struct rcar_du_encoder *renc,
+ struct drm_panel *drmpanel);
+
+#endif /* __RCAR_DU_RGBCON_H__ */