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_dp_helper.h>
  34#include "nouveau_crtc.h"
  35
  36struct nvkm_i2c_port;
  37
  38enum nouveau_underscan_type {
  39        UNDERSCAN_OFF,
  40        UNDERSCAN_ON,
  41        UNDERSCAN_AUTO,
  42};
  43
  44/* the enum values specifically defined here match nv50/nvd0 hw values, and
  45 * the code relies on this
  46 */
  47enum nouveau_dithering_mode {
  48        DITHERING_MODE_OFF = 0x00,
  49        DITHERING_MODE_ON = 0x01,
  50        DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
  51        DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
  52        DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
  53        DITHERING_MODE_AUTO
  54};
  55
  56enum nouveau_dithering_depth {
  57        DITHERING_DEPTH_6BPC = 0x00,
  58        DITHERING_DEPTH_8BPC = 0x02,
  59        DITHERING_DEPTH_AUTO
  60};
  61
  62struct nouveau_connector {
  63        struct drm_connector base;
  64        enum dcb_connector_type type;
  65        u8 index;
  66        u8 *dcb;
  67
  68        struct nvif_notify hpd;
  69
  70        struct drm_dp_aux aux;
  71
  72        int dithering_mode;
  73        int dithering_depth;
  74        int scaling_mode;
  75        bool scaling_full;
  76        enum nouveau_underscan_type underscan;
  77        u32 underscan_hborder;
  78        u32 underscan_vborder;
  79
  80        struct nouveau_encoder *detected_encoder;
  81        struct edid *edid;
  82        struct drm_display_mode *native_mode;
  83};
  84
  85static inline struct nouveau_connector *nouveau_connector(
  86                                                struct drm_connector *con)
  87{
  88        return container_of(con, struct nouveau_connector, base);
  89}
  90
  91static inline struct nouveau_connector *
  92nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
  93{
  94        struct drm_device *dev = nv_crtc->base.dev;
  95        struct drm_connector *connector;
  96        struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
  97
  98        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
  99                if (connector->encoder && connector->encoder->crtc == crtc)
 100                        return nouveau_connector(connector);
 101        }
 102
 103        return NULL;
 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;
 112
 113#endif /* __NOUVEAU_CONNECTOR_H__ */
 114