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