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 <nvhw/class/cl507d.h>
  33 #include <nvhw/class/cl907d.h>
  34 #include <nvhw/drf.h>
  35
  36 #include <drm/drm_crtc.h>
  37 #include <drm/drm_edid.h>
  38 #include <drm/drm_encoder.h>
  39 #include <drm/drm_dp_helper.h>
  40 #include <drm/drm_util.h>
  41
  42 #include "nouveau_crtc.h"
  43 #include "nouveau_encoder.h"
  44
  45 struct nvkm_i2c_port;
  46 struct dcb_output;
  47
  48 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
  49 struct nouveau_backlight;
  50 #endif
  51
  52 #define nouveau_conn_atom(p)                                                   \
  53         container_of((p), struct nouveau_conn_atom, state)
  54
  55 struct nouveau_conn_atom {
  56         struct drm_connector_state state;
  57
  58         struct {
  59                 /* The enum values specifically defined here match nv50/gf119
  60                  * hw values, and the code relies on this.
  61                  */
  62                 enum {
  63                         DITHERING_MODE_OFF =
  64                                 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, DISABLE),
  65                         DITHERING_MODE_ON =
  66                                 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, ENABLE),
  67                         DITHERING_MODE_DYNAMIC2X2 = DITHERING_MODE_ON |
  68                                 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, DYNAMIC_2X2),
  69                         DITHERING_MODE_STATIC2X2 = DITHERING_MODE_ON |
  70                                 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, STATIC_2X2),
  71                         DITHERING_MODE_TEMPORAL = DITHERING_MODE_ON |
  72                                 NVDEF(NV907D, HEAD_SET_DITHER_CONTROL, MODE, TEMPORAL),
  73                         DITHERING_MODE_AUTO
  74                 } mode;
  75                 enum {
  76                         DITHERING_DEPTH_6BPC =
  77                                 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_6_BITS),
  78                         DITHERING_DEPTH_8BPC =
  79                                 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_8_BITS),
  80                         DITHERING_DEPTH_AUTO
  81                 } depth;
  82         } dither;
  83
  84         struct {
  85                 int mode;       /* DRM_MODE_SCALE_* */
  86                 struct {
  87                         enum {
  88                                 UNDERSCAN_OFF,
  89                                 UNDERSCAN_ON,
  90                                 UNDERSCAN_AUTO,
  91                         } mode;
  92                         u32 hborder;
  93                         u32 vborder;
  94                 } underscan;
  95                 bool full;
  96         } scaler;
  97
  98         struct {
  99                 int color_vibrance;
 100                 int vibrant_hue;
 101         } procamp;
 102
 103         union {
 104                 struct {
 105                         bool dither:1;
 106                         bool scaler:1;
 107                         bool procamp:1;
 108                 };
 109                 u8 mask;
 110         } set;
 111 };
 112
 113 struct nouveau_connector {
 114         struct drm_connector base;
 115         enum dcb_connector_type type;
 116         u8 index;
 117         u8 *dcb;
 118
 119         struct nvif_notify hpd;
 120
 121         struct drm_dp_aux aux;
 122
 123         int dithering_mode;
 124         int scaling_mode;
 125
 126         struct nouveau_encoder *detected_encoder;
 127         struct edid *edid;
 128         struct drm_display_mode *native_mode;
 129 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
 130         struct nouveau_backlight *backlight;
 131 #endif
 132         /*
 133          * Our connector property code expects a nouveau_conn_atom struct
 134          * even on pre-nv50 where we do not support atomic. This embedded
 135          * version gets used in the non atomic modeset case.
 136          */
 137         struct nouveau_conn_atom properties_state;
 138 };
 139
 140 static inline struct nouveau_connector *nouveau_connector(
 141                                                 struct drm_connector *con)
 142 {
 143         return container_of(con, struct nouveau_connector, base);
 144 }
 145
 146 static inline bool
 147 nouveau_connector_is_mst(struct drm_connector *connector)
 148 {
 149         const struct nouveau_encoder *nv_encoder;
 150         const struct drm_encoder *encoder;
 151
 152         if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
 153                 return false;
 154
 155         nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
 156         if (!nv_encoder)
 157                 return false;
 158
 159         encoder = &nv_encoder->base.base;
 160         return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
 161 }
 162
 163 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \
 164         drm_for_each_connector_iter(connector, iter) \
 165                 for_each_if(!nouveau_connector_is_mst(connector))
 166
 167 static inline struct nouveau_connector *
 168 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
 169 {
 170         struct drm_device *dev = nv_crtc->base.dev;
 171         struct drm_connector *connector;
 172         struct drm_connector_list_iter conn_iter;
 173         struct nouveau_connector *nv_connector = NULL;
 174         struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
 175
 176         drm_connector_list_iter_begin(dev, &conn_iter);
 177         nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
 178                 if (connector->encoder && connector->encoder->crtc == crtc) {
 179                         nv_connector = nouveau_connector(connector);
 180                         break;
 181                 }
 182         }
 183         drm_connector_list_iter_end(&conn_iter);
 184
 185         return nv_connector;
 186 }
 187
 188 struct drm_connector *
 189 nouveau_connector_create(struct drm_device *, const struct dcb_output *);
 190 void nouveau_connector_hpd(struct drm_connector *connector);
 191
 192 extern int nouveau_tv_disable;
 193 extern int nouveau_ignorelid;
 194 extern int nouveau_duallink;
 195 extern int nouveau_hdmimhz;
 196
 197 void nouveau_conn_attach_properties(struct drm_connector *);
 198 void nouveau_conn_reset(struct drm_connector *);
 199 struct drm_connector_state *
 200 nouveau_conn_atomic_duplicate_state(struct drm_connector *);
 201 void nouveau_conn_atomic_destroy_state(struct drm_connector *,
 202                                        struct drm_connector_state *);
 203 int nouveau_conn_atomic_set_property(struct drm_connector *,
 204                                      struct drm_connector_state *,
 205                                      struct drm_property *, u64);
 206 int nouveau_conn_atomic_get_property(struct drm_connector *,
 207                                      const struct drm_connector_state *,
 208                                      struct drm_property *, u64 *);
 209 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
 210 enum drm_mode_status
 211 nouveau_conn_mode_clock_valid(const struct drm_display_mode *,
 212                               const unsigned min_clock,
 213                               const unsigned max_clock,
 214                               unsigned *clock);
 215
 216 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
 217 extern int nouveau_backlight_init(struct drm_connector *);
 218 extern void nouveau_backlight_fini(struct drm_connector *);
 219 extern void nouveau_backlight_ctor(void);
 220 extern void nouveau_backlight_dtor(void);
 221 #else
 222 static inline int
 223 nouveau_backlight_init(struct drm_connector *connector)
 224 {
 225         return 0;
 226 }
 227
 228 static inline void
 229 nouveau_backlight_fini(struct drm_connector *connector) {
 230 }
 231
 232 static inline void
 233 nouveau_backlight_ctor(void) {
 234 }
 235
 236 static inline void
 237 nouveau_backlight_dtor(void) {
 238 }
 239 #endif
 240
 241 #endif /* __NOUVEAU_CONNECTOR_H__ */