LXR linux/drivers/gpu/drm/nouveau/nouveau

   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
  38struct nvkm_i2c_port;
  39
  40struct 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
  58static inline struct nouveau_connector *nouveau_connector(
  59                                                struct drm_connector *con)
  60{
  61        return container_of(con, struct nouveau_connector, base);
  62}
  63
  64static inline bool
  65nouveau_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
  85static inline struct nouveau_connector *
  86nouveau_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
 106struct drm_connector *
 107nouveau_connector_create(struct drm_device *, int index);
 108
 109extern int nouveau_tv_disable;
 110extern int nouveau_ignorelid;
 111extern int nouveau_duallink;
 112extern 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
 118struct 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
 169void nouveau_conn_attach_properties(struct drm_connector *);
 170void nouveau_conn_reset(struct drm_connector *);
 171struct drm_connector_state *
 172nouveau_conn_atomic_duplicate_state(struct drm_connector *);
 173void nouveau_conn_atomic_destroy_state(struct drm_connector *,
 174                                       struct drm_connector_state *);
 175int nouveau_conn_atomic_set_property(struct drm_connector *,
 176                                     struct drm_connector_state *,
 177                                     struct drm_property *, u64);
 178int nouveau_conn_atomic_get_property(struct drm_connector *,
 179                                     const struct drm_connector_state *,
 180                                     struct drm_property *, u64 *);
 181struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
 182#endif /* __NOUVEAU_CONNECTOR_H__ */
 183