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         struct drm_display_mode mode;
  42         int last_dpms;
  43
  44         struct nv04_output_reg restore;
  45
  46         void (*disconnect)(struct nouveau_encoder *encoder);
  47
  48         union {
  49                 struct {
  50                         int mc_unknown;
  51                         int dpcd_version;
  52                         int link_nr;
  53                         int link_bw;
  54                 } dp;
  55         };
  56 };
  57
  58 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
  59 {
  60         struct drm_encoder_slave *slave = to_encoder_slave(enc);
  61
  62         return container_of(slave, struct nouveau_encoder, base);
  63 }
  64
  65 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
  66 {
  67         return &enc->base.base;
  68 }
  69
  70 struct nouveau_connector *
  71 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
  72 int nv50_sor_create(struct drm_device *dev, struct dcb_entry *entry);
  73 int nv50_dac_create(struct drm_device *dev, struct dcb_entry *entry);
  74
  75 struct bit_displayport_encoder_table {
  76         uint32_t match;
  77         uint8_t  record_nr;
  78         uint8_t  unknown;
  79         uint16_t script0;
  80         uint16_t script1;
  81         uint16_t unknown_table;
  82 } __attribute__ ((packed));
  83
  84 struct bit_displayport_encoder_table_entry {
  85         uint8_t vs_level;
  86         uint8_t pre_level;
  87         uint8_t reg0;
  88         uint8_t reg1;
  89         uint8_t reg2;
  90 } __attribute__ ((packed));
  91
  92 #endif /* __NOUVEAU_ENCODER_H__ */