drivers/gpu/drm/nouveau/nouveau_encoder.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_ENCODER_H__
  28 #define __NOUVEAU_ENCODER_H__
  29
  30 #include "drm_encoder_slave.h"
  31 #include "nouveau_drv.h"
  32
  33 #define NV_DPMS_CLEARED 0x80
  34
  35 struct nouveau_encoder {
  36         struct drm_encoder_slave base;
  37
  38         struct dcb_entry *dcb;
  39         int or;
  40
  41         /* different to drm_encoder.crtc, this reflects what's
  42          * actually programmed on the hw, not the proposed crtc */
  43         struct drm_crtc *crtc;
  44
  45         struct drm_display_mode mode;
  46         int last_dpms;
  47
  48         struct nv04_output_reg restore;
  49
  50         union {
  51                 struct {
  52                         u8  dpcd[8];
  53                         int link_nr;
  54                         int link_bw;
  55                         u32 datarate;
  56                 } dp;
  57         };
  58 };
  59
  60 struct nouveau_encoder *
  61 find_encoder(struct drm_connector *connector, int type);
  62
  63 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
  64 {
  65         struct drm_encoder_slave *slave = to_encoder_slave(enc);
  66
  67         return container_of(slave, struct nouveau_encoder, base);
  68 }
  69
  70 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
  71 {
  72         return &enc->base.base;
  73 }
  74
  75 static inline struct drm_encoder_slave_funcs *
  76 get_slave_funcs(struct drm_encoder *enc)
  77 {
  78         return to_encoder_slave(enc)->slave_funcs;
  79 }
  80
  81 struct nouveau_connector *
  82 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
  83 int nv50_sor_create(struct drm_connector *, struct dcb_entry *);
  84 int nv50_dac_create(struct drm_connector *, struct dcb_entry *);
  85
  86 #endif /* __NOUVEAU_ENCODER_H__ */