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_edid.h"
  31 #include "nouveau_i2c.h"
  32
  33 enum nouveau_underscan_type {
  34         UNDERSCAN_OFF,
  35         UNDERSCAN_ON,
  36         UNDERSCAN_AUTO,
  37 };
  38
  39 /* the enum values specifically defined here match nv50/nvd0 hw values, and
  40  * the code relies on this
  41  */
  42 enum nouveau_dithering_mode {
  43         DITHERING_MODE_OFF = 0x00,
  44         DITHERING_MODE_ON = 0x01,
  45         DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
  46         DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
  47         DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
  48         DITHERING_MODE_AUTO
  49 };
  50
  51 enum nouveau_dithering_depth {
  52         DITHERING_DEPTH_6BPC = 0x00,
  53         DITHERING_DEPTH_8BPC = 0x02,
  54         DITHERING_DEPTH_AUTO
  55 };
  56
  57 struct nouveau_connector {
  58         struct drm_connector base;
  59         enum dcb_connector_type type;
  60         u8 index;
  61         u8 *dcb;
  62         u8 hpd;
  63
  64         int dithering_mode;
  65         int dithering_depth;
  66         int scaling_mode;
  67         enum nouveau_underscan_type underscan;
  68         u32 underscan_hborder;
  69         u32 underscan_vborder;
  70
  71         struct nouveau_encoder *detected_encoder;
  72         struct edid *edid;
  73         struct drm_display_mode *native_mode;
  74 };
  75
  76 static inline struct nouveau_connector *nouveau_connector(
  77                                                 struct drm_connector *con)
  78 {
  79         return container_of(con, struct nouveau_connector, base);
  80 }
  81
  82 struct drm_connector *
  83 nouveau_connector_create(struct drm_device *, int index);
  84
  85 int
  86 nouveau_connector_bpp(struct drm_connector *);
  87
  88 #endif /* __NOUVEAU_CONNECTOR_H__ */