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 <nvif/notify.h>
  31
  32 #include <drm/drm_edid.h>
  33 #include <drm/drm_encoder.h>
  34 #include <drm/drm_dp_helper.h>
  35 #include "nouveau_crtc.h"
  36 #include "nouveau_encoder.h"
  37
  38 struct nvkm_i2c_port;
  39
  40 struct nouveau_connector {
  41         struct drm_connector base;
  42         enum dcb_connector_type type;
  43         u8 index;
  44         u8 *dcb;
  45
  46         struct nvif_notify hpd;
  47
  48         struct drm_dp_aux aux;
  49
  50         int dithering_mode;
  51         int scaling_mode;
  52
  53         struct nouveau_encoder *detected_encoder;
  54         struct edid *edid;
  55         struct drm_display_mode *native_mode;
  56 };
  57
  58 static inline struct nouveau_connector *nouveau_connector(
  59                                                 struct drm_connector *con)
  60 {
  61         return container_of(con, struct nouveau_connector, base);
  62 }
  63
  64 static inline bool
  65 nouveau_connector_is_mst(struct drm_connector *connector)
  66 {
  67         const struct nouveau_encoder *nv_encoder;
  68         const struct drm_encoder *encoder;
  69
  70         if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
  71                 return false;
  72
  73         nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
  74         if (!nv_encoder)
  75                 return false;
  76
  77         encoder = &nv_encoder->base.base;
  78         return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
  79 }
  80
  81 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \
  82         drm_for_each_connector_iter(connector, iter) \
  83                 for_each_if(!nouveau_connector_is_mst(connector))
  84
  85 static inline struct nouveau_connector *
  86 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
  87 {
  88         struct drm_device *dev = nv_crtc->base.dev;
  89         struct drm_connector *connector;
  90         struct drm_connector_list_iter conn_iter;
  91         struct nouveau_connector *nv_connector = NULL;
  92         struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
  93
  94         drm_connector_list_iter_begin(dev, &conn_iter);
  95         nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
  96                 if (connector->encoder && connector->encoder->crtc == crtc) {
  97                         nv_connector = nouveau_connector(connector);
  98                         break;
  99                 }
 100         }
 101         drm_connector_list_iter_end(&conn_iter);
 102
 103         return nv_connector;
 104 }
 105
 106 struct drm_connector *
 107 nouveau_connector_create(struct drm_device *, int index);
 108
 109 extern int nouveau_tv_disable;
 110 extern int nouveau_ignorelid;
 111 extern int nouveau_duallink;
 112 extern int nouveau_hdmimhz;
 113
 114 #include <drm/drm_crtc.h>
 115 #define nouveau_conn_atom(p)                                                   \
 116         container_of((p), struct nouveau_conn_atom, state)
 117
 118 struct nouveau_conn_atom {
 119         struct drm_connector_state state;
 120
 121         struct {
 122                 /* The enum values specifically defined here match nv50/gf119
 123                  * hw values, and the code relies on this.
 124                  */
 125                 enum {
 126                         DITHERING_MODE_OFF = 0x00,
 127                         DITHERING_MODE_ON = 0x01,
 128                         DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
 129                         DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
 130                         DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
 131                         DITHERING_MODE_AUTO
 132                 } mode;
 133                 enum {
 134                         DITHERING_DEPTH_6BPC = 0x00,
 135                         DITHERING_DEPTH_8BPC = 0x02,
 136                         DITHERING_DEPTH_AUTO
 137                 } depth;
 138         } dither;
 139
 140         struct {
 141                 int mode;       /* DRM_MODE_SCALE_* */
 142                 struct {
 143                         enum {
 144                                 UNDERSCAN_OFF,
 145                                 UNDERSCAN_ON,
 146                                 UNDERSCAN_AUTO,
 147                         } mode;
 148                         u32 hborder;
 149                         u32 vborder;
 150                 } underscan;
 151                 bool full;
 152         } scaler;
 153
 154         struct {
 155                 int color_vibrance;
 156                 int vibrant_hue;
 157         } procamp;
 158
 159         union {
 160                 struct {
 161                         bool dither:1;
 162                         bool scaler:1;
 163                         bool procamp:1;
 164                 };
 165                 u8 mask;
 166         } set;
 167 };
 168
 169 void nouveau_conn_attach_properties(struct drm_connector *);
 170 void nouveau_conn_reset(struct drm_connector *);
 171 struct drm_connector_state *
 172 nouveau_conn_atomic_duplicate_state(struct drm_connector *);
 173 void nouveau_conn_atomic_destroy_state(struct drm_connector *,
 174                                        struct drm_connector_state *);
 175 int nouveau_conn_atomic_set_property(struct drm_connector *,
 176                                      struct drm_connector_state *,
 177                                      struct drm_property *, u64);
 178 int nouveau_conn_atomic_get_property(struct drm_connector *,
 179                                      const struct drm_connector_state *,
 180                                      struct drm_property *, u64 *);
 181 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
 182 #endif /* __NOUVEAU_CONNECTOR_H__ */