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 <drm/drm_util.h>
  36
  37#include "nouveau_crtc.h"
  38#include "nouveau_encoder.h"
  39
  40struct nvkm_i2c_port;
  41struct dcb_output;
  42
  43#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
  44struct nouveau_backlight;
  45#endif
  46
  47struct nouveau_connector {
  48        struct drm_connector base;
  49        enum dcb_connector_type type;
  50        u8 index;
  51        u8 *dcb;
  52
  53        struct nvif_notify hpd;
  54
  55        struct drm_dp_aux aux;
  56
  57        int dithering_mode;
  58        int scaling_mode;
  59
  60        struct nouveau_encoder *detected_encoder;
  61        struct edid *edid;
  62        struct drm_display_mode *native_mode;
  63#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
  64        struct nouveau_backlight *backlight;
  65#endif
  66};
  67
  68static inline struct nouveau_connector *nouveau_connector(
  69                                                struct drm_connector *con)
  70{
  71        return container_of(con, struct nouveau_connector, base);
  72}
  73
  74static inline bool
  75nouveau_connector_is_mst(struct drm_connector *connector)
  76{
  77        const struct nouveau_encoder *nv_encoder;
  78        const struct drm_encoder *encoder;
  79
  80        if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
  81                return false;
  82
  83        nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
  84        if (!nv_encoder)
  85                return false;
  86
  87        encoder = &nv_encoder->base.base;
  88        return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
  89}
  90
  91#define nouveau_for_each_non_mst_connector_iter(connector, iter) \
  92        drm_for_each_connector_iter(connector, iter) \
  93                for_each_if(!nouveau_connector_is_mst(connector))
  94
  95static inline struct nouveau_connector *
  96nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
  97{
  98        struct drm_device *dev = nv_crtc->base.dev;
  99        struct drm_connector *connector;
 100        struct drm_connector_list_iter conn_iter;
 101        struct nouveau_connector *nv_connector = NULL;
 102        struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
 103
 104        drm_connector_list_iter_begin(dev, &conn_iter);
 105        nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
 106                if (connector->encoder && connector->encoder->crtc == crtc) {
 107                        nv_connector = nouveau_connector(connector);
 108                        break;
 109                }
 110        }
 111        drm_connector_list_iter_end(&conn_iter);
 112
 113        return nv_connector;
 114}
 115
 116struct drm_connector *
 117nouveau_connector_create(struct drm_device *, const struct dcb_output *);
 118
 119extern int nouveau_tv_disable;
 120extern int nouveau_ignorelid;
 121extern int nouveau_duallink;
 122extern int nouveau_hdmimhz;
 123
 124#include <drm/drm_crtc.h>
 125#define nouveau_conn_atom(p)                                                   \
 126        container_of((p), struct nouveau_conn_atom, state)
 127
 128struct nouveau_conn_atom {
 129        struct drm_connector_state state;
 130
 131        struct {
 132                /* The enum values specifically defined here match nv50/gf119
 133                 * hw values, and the code relies on this.
 134                 */
 135                enum {
 136                        DITHERING_MODE_OFF = 0x00,
 137                        DITHERING_MODE_ON = 0x01,
 138                        DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
 139                        DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
 140                        DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
 141                        DITHERING_MODE_AUTO
 142                } mode;
 143                enum {
 144                        DITHERING_DEPTH_6BPC = 0x00,
 145                        DITHERING_DEPTH_8BPC = 0x02,
 146                        DITHERING_DEPTH_AUTO
 147                } depth;
 148        } dither;
 149
 150        struct {
 151                int mode;       /* DRM_MODE_SCALE_* */
 152                struct {
 153                        enum {
 154                                UNDERSCAN_OFF,
 155                                UNDERSCAN_ON,
 156                                UNDERSCAN_AUTO,
 157                        } mode;
 158                        u32 hborder;
 159                        u32 vborder;
 160                } underscan;
 161                bool full;
 162        } scaler;
 163
 164        struct {
 165                int color_vibrance;
 166                int vibrant_hue;
 167        } procamp;
 168
 169        union {
 170                struct {
 171                        bool dither:1;
 172                        bool scaler:1;
 173                        bool procamp:1;
 174                };
 175                u8 mask;
 176        } set;
 177};
 178
 179void nouveau_conn_attach_properties(struct drm_connector *);
 180void nouveau_conn_reset(struct drm_connector *);
 181struct drm_connector_state *
 182nouveau_conn_atomic_duplicate_state(struct drm_connector *);
 183void nouveau_conn_atomic_destroy_state(struct drm_connector *,
 184                                       struct drm_connector_state *);
 185int nouveau_conn_atomic_set_property(struct drm_connector *,
 186                                     struct drm_connector_state *,
 187                                     struct drm_property *, u64);
 188int nouveau_conn_atomic_get_property(struct drm_connector *,
 189                                     const struct drm_connector_state *,
 190                                     struct drm_property *, u64 *);
 191struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
 192
 193#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
 194extern int nouveau_backlight_init(struct drm_connector *);
 195extern void nouveau_backlight_fini(struct drm_connector *);
 196extern void nouveau_backlight_ctor(void);
 197extern void nouveau_backlight_dtor(void);
 198#else
 199static inline int
 200nouveau_backlight_init(struct drm_connector *connector)
 201{
 202        return 0;
 203}
 204
 205static inline void
 206nouveau_backlight_fini(struct drm_connector *connector) {
 207}
 208
 209static inline void
 210nouveau_backlight_ctor(void) {
 211}
 212
 213static inline void
 214nouveau_backlight_dtor(void) {
 215}
 216#endif
 217
 218#endif /* __NOUVEAU_CONNECTOR_H__ */
 219