 4b96b70cfa
			
		
	
	
	4b96b70cfa
	
	
	
		
			
			Add a new macro to downcast an rcar_du_encoder pointer to a drm_encoder pointer and use it. This prepares for the replacement of the rcar_drm_encoder encoder field with a drm_slave_encoder. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
		
			
				
	
	
		
			90 lines
		
	
	
	
		
			2.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
	
		
			2.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * rcar_du_vgacon.c  --  R-Car Display Unit VGA Connector
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|  *
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|  * Copyright (C) 2013-2014 Renesas Electronics 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_encoder.h"
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| #include "rcar_du_kms.h"
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| #include "rcar_du_vgacon.h"
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| 
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| static int rcar_du_vga_connector_get_modes(struct drm_connector *connector)
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| {
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| 	return 0;
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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_vga_connector_get_modes,
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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_vga_connector_destroy(struct drm_connector *connector)
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| {
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| 	drm_connector_unregister(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_vga_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_vga_connector_detect,
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| 	.fill_modes = drm_helper_probe_single_connector_modes,
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| 	.destroy = rcar_du_vga_connector_destroy,
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| };
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| 
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| int rcar_du_vga_connector_init(struct rcar_du_device *rcdu,
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| 			       struct rcar_du_encoder *renc)
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| {
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| 	struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc);
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| 	struct rcar_du_connector *rcon;
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| 	struct drm_connector *connector;
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| 	int ret;
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| 
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| 	rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
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| 	if (rcon == NULL)
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| 		return -ENOMEM;
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| 
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| 	connector = &rcon->connector;
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| 	connector->display_info.width_mm = 0;
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| 	connector->display_info.height_mm = 0;
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| 
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| 	ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
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| 				 DRM_MODE_CONNECTOR_VGA);
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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_connector_register(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, encoder);
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| 	if (ret < 0)
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| 		return ret;
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| 
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| 	connector->encoder = encoder;
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| 	rcon->encoder = renc;
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| 
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| 	return 0;
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| }
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