drm/rcar-du: Split VGA encoder and connector

This prepares for the encoders rework.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

drivers/gpu/drm/rcar-du/Makefile

@@ -4,6 +4,7 @@ rcar-du-drm-y := rcar_du_crtc.o \
 		 rcar_du_lvds.o \
 		 rcar_du_lvdscon.o \
 		 rcar_du_plane.o \
-		 rcar_du_vga.o
+		 rcar_du_vga.o \
+		 rcar_du_vgacon.o
 
 obj-$(CONFIG_DRM_RCAR_DU)	+= rcar-du-drm.o

drivers/gpu/drm/rcar-du/rcar_du_vga.c

 /*
- * rcar_du_vga.c  --  R-Car Display Unit VGA DAC and Connector
+ * rcar_du_vga.c  --  R-Car Display Unit VGA DAC
  *
  * Copyright (C) 2013 Renesas Corporation
  *
@@ -18,89 +18,7 @@
 #include "rcar_du_drv.h"
 #include "rcar_du_kms.h"
 #include "rcar_du_vga.h"
-
-/* -----------------------------------------------------------------------------
- * Connector
- */
-
-static int rcar_du_vga_connector_get_modes(struct drm_connector *connector)
-{
-	return 0;
-}
-
-static int rcar_du_vga_connector_mode_valid(struct drm_connector *connector,
-					    struct drm_display_mode *mode)
-{
-	return MODE_OK;
-}
-
-static const struct drm_connector_helper_funcs connector_helper_funcs = {
-	.get_modes = rcar_du_vga_connector_get_modes,
-	.mode_valid = rcar_du_vga_connector_mode_valid,
-	.best_encoder = rcar_du_connector_best_encoder,
-};
-
-static void rcar_du_vga_connector_destroy(struct drm_connector *connector)
-{
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-}
-
-static enum drm_connector_status
-rcar_du_vga_connector_detect(struct drm_connector *connector, bool force)
-{
-	return connector_status_unknown;
-}
-
-static const struct drm_connector_funcs connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.detect = rcar_du_vga_connector_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = rcar_du_vga_connector_destroy,
-};
-
-static int rcar_du_vga_connector_init(struct rcar_du_device *rcdu,
-				      struct rcar_du_encoder *renc)
-{
-	struct rcar_du_connector *rcon;
-	struct drm_connector *connector;
-	int ret;
-
-	rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
-	if (rcon == NULL)
-		return -ENOMEM;
-
-	connector = &rcon->connector;
-	connector->display_info.width_mm = 0;
-	connector->display_info.height_mm = 0;
-
-	ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
-				 DRM_MODE_CONNECTOR_VGA);
-	if (ret < 0)
-		return ret;
-
-	drm_connector_helper_add(connector, &connector_helper_funcs);
-	ret = drm_sysfs_connector_add(connector);
-	if (ret < 0)
-		return ret;
-
-	drm_helper_connector_dpms(connector, 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, &renc->encoder);
-	if (ret < 0)
-		return ret;
-
-	connector->encoder = &renc->encoder;
-	rcon->encoder = renc;
-
-	return 0;
-}
-
-/* -----------------------------------------------------------------------------
- * Encoder
- */
+#include "rcar_du_vgacon.h"
 
 static void rcar_du_vga_encoder_dpms(struct drm_encoder *encoder, int mode)
 {

drivers/gpu/drm/rcar-du/rcar_du_vga.h

 /*
- * rcar_du_vga.h  --  R-Car Display Unit VGA DAC and Connector
+ * rcar_du_vga.h  --  R-Car Display Unit VGA DAC
  *
  * Copyright (C) 2013 Renesas Corporation
  *

drivers/gpu/drm/rcar-du/rcar_du_vgacon.c

+/*
+ * rcar_du_vgacon.c  --  R-Car Display Unit VGA Connector
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * 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_crtc.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "rcar_du_drv.h"
+#include "rcar_du_kms.h"
+#include "rcar_du_vgacon.h"
+
+static int rcar_du_vga_connector_get_modes(struct drm_connector *connector)
+{
+	return 0;
+}
+
+static int rcar_du_vga_connector_mode_valid(struct drm_connector *connector,
+					    struct drm_display_mode *mode)
+{
+	return MODE_OK;
+}
+
+static const struct drm_connector_helper_funcs connector_helper_funcs = {
+	.get_modes = rcar_du_vga_connector_get_modes,
+	.mode_valid = rcar_du_vga_connector_mode_valid,
+	.best_encoder = rcar_du_connector_best_encoder,
+};
+
+static void rcar_du_vga_connector_destroy(struct drm_connector *connector)
+{
+	drm_sysfs_connector_remove(connector);
+	drm_connector_cleanup(connector);
+}
+
+static enum drm_connector_status
+rcar_du_vga_connector_detect(struct drm_connector *connector, bool force)
+{
+	return connector_status_unknown;
+}
+
+static const struct drm_connector_funcs connector_funcs = {
+	.dpms = drm_helper_connector_dpms,
+	.detect = rcar_du_vga_connector_detect,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.destroy = rcar_du_vga_connector_destroy,
+};
+
+int rcar_du_vga_connector_init(struct rcar_du_device *rcdu,
+			       struct rcar_du_encoder *renc)
+{
+	struct rcar_du_connector *rcon;
+	struct drm_connector *connector;
+	int ret;
+
+	rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
+	if (rcon == NULL)
+		return -ENOMEM;
+
+	connector = &rcon->connector;
+	connector->display_info.width_mm = 0;
+	connector->display_info.height_mm = 0;
+
+	ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
+				 DRM_MODE_CONNECTOR_VGA);
+	if (ret < 0)
+		return ret;
+
+	drm_connector_helper_add(connector, &connector_helper_funcs);
+	ret = drm_sysfs_connector_add(connector);
+	if (ret < 0)
+		return ret;
+
+	drm_helper_connector_dpms(connector, 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, &renc->encoder);
+	if (ret < 0)
+		return ret;
+
+	connector->encoder = &renc->encoder;
+	rcon->encoder = renc;
+
+	return 0;
+}

drivers/gpu/drm/rcar-du/rcar_du_vgacon.h

+/*
+ * rcar_du_vgacon.h  --  R-Car Display Unit VGA Connector
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * 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_VGACON_H__
+#define __RCAR_DU_VGACON_H__
+
+struct rcar_du_device;
+struct rcar_du_encoder;
+
+int rcar_du_vga_connector_init(struct rcar_du_device *rcdu,
+			       struct rcar_du_encoder *renc);
+
+#endif /* __RCAR_DU_VGACON_H__ */