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kernel/linux-rt-4.4.41/drivers/gpu/drm/nouveau/nouveau_connector.h 3.13 KB
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  /*
   * Copyright (C) 2008 Maarten Maathuis.
   * All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice (including the
   * next paragraph) shall be included in all copies or substantial
   * portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
   * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   */
  
  #ifndef __NOUVEAU_CONNECTOR_H__
  #define __NOUVEAU_CONNECTOR_H__
  
  #include <nvif/notify.h>
  
  #include <drm/drm_edid.h>
  #include <drm/drm_dp_helper.h>
  #include "nouveau_crtc.h"
  
  struct nvkm_i2c_port;
  
  enum nouveau_underscan_type {
  	UNDERSCAN_OFF,
  	UNDERSCAN_ON,
  	UNDERSCAN_AUTO,
  };
  
  /* the enum values specifically defined here match nv50/nvd0 hw values, and
   * the code relies on this
   */
  enum nouveau_dithering_mode {
  	DITHERING_MODE_OFF = 0x00,
  	DITHERING_MODE_ON = 0x01,
  	DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
  	DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
  	DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
  	DITHERING_MODE_AUTO
  };
  
  enum nouveau_dithering_depth {
  	DITHERING_DEPTH_6BPC = 0x00,
  	DITHERING_DEPTH_8BPC = 0x02,
  	DITHERING_DEPTH_AUTO
  };
  
  struct nouveau_connector {
  	struct drm_connector base;
  	enum dcb_connector_type type;
  	u8 index;
  	u8 *dcb;
  
  	struct nvif_notify hpd;
  
  	struct drm_dp_aux aux;
  
  	int dithering_mode;
  	int dithering_depth;
  	int scaling_mode;
  	bool scaling_full;
  	enum nouveau_underscan_type underscan;
  	u32 underscan_hborder;
  	u32 underscan_vborder;
  
  	struct nouveau_encoder *detected_encoder;
  	struct edid *edid;
  	struct drm_display_mode *native_mode;
  };
  
  static inline struct nouveau_connector *nouveau_connector(
  						struct drm_connector *con)
  {
  	return container_of(con, struct nouveau_connector, base);
  }
  
  static inline struct nouveau_connector *
  nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
  {
  	struct drm_device *dev = nv_crtc->base.dev;
  	struct drm_connector *connector;
  	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
  
  	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
  		if (connector->encoder && connector->encoder->crtc == crtc)
  			return nouveau_connector(connector);
  	}
  
  	return NULL;
  }
  
  struct drm_connector *
  nouveau_connector_create(struct drm_device *, int index);
  
  extern int nouveau_tv_disable;
  extern int nouveau_ignorelid;
  extern int nouveau_duallink;
  
  #endif /* __NOUVEAU_CONNECTOR_H__ */