drivers/gpu/drm/nouveau/nouveau_connector.h

   1 /*
   2  * Copyright (C) 2008 Maarten Maathuis.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #ifndef __NOUVEAU_CONNECTOR_H__
  28 #define __NOUVEAU_CONNECTOR_H__
  29
  30 #include <drm/drm_edid.h>
  31 #include <drm/drm_dp_helper.h>
  32 #include "nouveau_crtc.h"
  33
  34 #include <core/event.h>
  35
  36 #include <subdev/bios.h>
  37
  38 struct nouveau_i2c_port;
  39
  40 enum nouveau_underscan_type {
  41         UNDERSCAN_OFF,
  42         UNDERSCAN_ON,
  43         UNDERSCAN_AUTO,
  44 };
  45
  46 /* the enum values specifically defined here match nv50/nvd0 hw values, and
  47  * the code relies on this
  48  */
  49 enum nouveau_dithering_mode {
  50         DITHERING_MODE_OFF = 0x00,
  51         DITHERING_MODE_ON = 0x01,
  52         DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
  53         DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
  54         DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
  55         DITHERING_MODE_AUTO
  56 };
  57
  58 enum nouveau_dithering_depth {
  59         DITHERING_DEPTH_6BPC = 0x00,
  60         DITHERING_DEPTH_8BPC = 0x02,
  61         DITHERING_DEPTH_AUTO
  62 };
  63
  64 struct nouveau_connector {
  65         struct drm_connector base;
  66         enum dcb_connector_type type;
  67         u8 index;
  68         u8 *dcb;
  69
  70         struct nvkm_notify hpd;
  71
  72         struct drm_dp_aux aux;
  73
  74         int dithering_mode;
  75         int dithering_depth;
  76         int scaling_mode;
  77         enum nouveau_underscan_type underscan;
  78         u32 underscan_hborder;
  79         u32 underscan_vborder;
  80
  81         struct nouveau_encoder *detected_encoder;
  82         struct edid *edid;
  83         struct drm_display_mode *native_mode;
  84 };
  85
  86 static inline struct nouveau_connector *nouveau_connector(
  87                                                 struct drm_connector *con)
  88 {
  89         return container_of(con, struct nouveau_connector, base);
  90 }
  91
  92 static inline struct nouveau_connector *
  93 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
  94 {
  95         struct drm_device *dev = nv_crtc->base.dev;
  96         struct drm_connector *connector;
  97         struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
  98
  99         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 100                 if (connector->encoder && connector->encoder->crtc == crtc)
 101                         return nouveau_connector(connector);
 102         }
 103
 104         return NULL;
 105 }
 106
 107 struct drm_connector *
 108 nouveau_connector_create(struct drm_device *, int index);
 109
 110 #endif /* __NOUVEAU_CONNECTOR_H__ */