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 "dispnv04/disp.h"
34
35 #define NV_DPMS_CLEARED 0x80
36
37 struct nouveau_i2c_port;
38
39 struct nouveau_encoder {
40 struct drm_encoder_slave base;
41
42 struct dcb_output *dcb;
43 int or;
44 struct nouveau_i2c_port *i2c;
45
46 /* different to drm_encoder.crtc, this reflects what's
47 * actually programmed on the hw, not the proposed crtc */
48 struct drm_crtc *crtc;
49
50 struct drm_display_mode mode;
51 int last_dpms;
52
53 struct nv04_output_reg restore;
54
55 union {
56 struct {
57 u8 dpcd[8];
58 int link_nr;
59 int link_bw;
60 u32 datarate;
61 } dp;
62 };
63 };
64
65 struct nouveau_encoder *
66 find_encoder(struct drm_connector *connector, int type);
67
nouveau_encoder(struct drm_encoder * enc)68 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
69 {
70 struct drm_encoder_slave *slave = to_encoder_slave(enc);
71
72 return container_of(slave, struct nouveau_encoder, base);
73 }
74
to_drm_encoder(struct nouveau_encoder * enc)75 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
76 {
77 return &enc->base.base;
78 }
79
80 static inline struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder * enc)81 get_slave_funcs(struct drm_encoder *enc)
82 {
83 return to_encoder_slave(enc)->slave_funcs;
84 }
85
86 /* nouveau_dp.c */
87 bool nouveau_dp_detect(struct drm_encoder *);
88 void nouveau_dp_dpms(struct drm_encoder *, int mode, u32 datarate,
89 struct nouveau_object *);
90
91 struct nouveau_connector *
92 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
93
94 #endif /* __NOUVEAU_ENCODER_H__ */
95