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nouveau_encoder.h
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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 <subdev/bios/dcb.h>
31 
32 #include <drm/drm_encoder_slave.h>
33 #include "nv04_display.h"
34 
35 #define NV_DPMS_CLEARED 0x80
36 
37 struct nouveau_i2c_port;
38 
39 struct dp_train_func {
40  void (*link_set)(struct drm_device *, struct dcb_output *, int crtc,
41  int nr, u32 bw, bool enhframe);
42  void (*train_set)(struct drm_device *, struct dcb_output *, u8 pattern);
43  void (*train_adj)(struct drm_device *, struct dcb_output *,
44  u8 lane, u8 swing, u8 preem);
45 };
46 
49 
50  struct dcb_output *dcb;
51  int or;
52 
53  /* different to drm_encoder.crtc, this reflects what's
54  * actually programmed on the hw, not the proposed crtc */
55  struct drm_crtc *crtc;
56 
58  int last_dpms;
59 
61 
62  union {
63  struct {
64  u8 dpcd[8];
65  int link_nr;
66  int link_bw;
68  } dp;
69  };
70 };
71 
72 struct nouveau_encoder *
74 
75 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
76 {
78 
79  return container_of(slave, struct nouveau_encoder, base);
80 }
81 
82 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
83 {
84  return &enc->base.base;
85 }
86 
87 static inline struct drm_encoder_slave_funcs *
88 get_slave_funcs(struct drm_encoder *enc)
89 {
90  return to_encoder_slave(enc)->slave_funcs;
91 }
92 
93 /* nouveau_dp.c */
94 bool nouveau_dp_detect(struct drm_encoder *);
95 void nouveau_dp_dpms(struct drm_encoder *, int mode, u32 datarate,
96  struct dp_train_func *);
97 u8 *nouveau_dp_bios_data(struct drm_device *, struct dcb_output *, u8 **);
98 
99 struct nouveau_connector *
101 int nv50_sor_create(struct drm_connector *, struct dcb_output *);
102 void nv50_sor_dp_calc_tu(struct drm_device *, int, int, u32, u32);
103 int nv50_dac_create(struct drm_connector *, struct dcb_output *);
104 
105 
106 #endif /* __NOUVEAU_ENCODER_H__ */