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_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
  35struct 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                        int mc_unknown;
  53                        uint32_t unk0;
  54                        uint32_t unk1;
  55                        int dpcd_version;
  56                        int link_nr;
  57                        int link_bw;
  58                        bool enhanced_frame;
  59                } dp;
  60        };
  61};
  62
  63static 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
  70static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
  71{
  72        return &enc->base.base;
  73}
  74
  75static inline struct drm_encoder_slave_funcs *
  76get_slave_funcs(struct drm_encoder *enc)
  77{
  78        return to_encoder_slave(enc)->slave_funcs;
  79}
  80
  81struct nouveau_connector *
  82nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
  83int nv50_sor_create(struct drm_connector *, struct dcb_entry *);
  84int nv50_dac_create(struct drm_connector *, struct dcb_entry *);
  85
  86struct bit_displayport_encoder_table {
  87        uint32_t match;
  88        uint8_t  record_nr;
  89        uint8_t  unknown;
  90        uint16_t script0;
  91        uint16_t script1;
  92        uint16_t unknown_table;
  93} __attribute__ ((packed));
  94
  95struct bit_displayport_encoder_table_entry {
  96        uint8_t vs_level;
  97        uint8_t pre_level;
  98        uint8_t reg0;
  99        uint8_t reg1;
 100        uint8_t reg2;
 101} __attribute__ ((packed));
 102
 103#endif /* __NOUVEAU_ENCODER_H__ */
 104