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 nvkm_i2c_port;
38
39 struct nouveau_encoder {
40 struct drm_encoder_slave base;
41
42 struct dcb_output *dcb;
43 int or;
44
45 struct i2c_adapter *i2c;
46 struct nvkm_i2c_aux *aux;
47
48 /* different to drm_encoder.crtc, this reflects what's
49 * actually programmed on the hw, not the proposed crtc */
50 struct drm_crtc *crtc;
51 u32 ctrl;
52
53 struct drm_display_mode mode;
54 int last_dpms;
55
56 struct nv04_output_reg restore;
57
58 union {
59 struct {
60 u8 dpcd[8];
61 int link_nr;
62 int link_bw;
63 u32 datarate;
64 } dp;
65 };
66
67 void (*enc_save)(struct drm_encoder *encoder);
68 void (*enc_restore)(struct drm_encoder *encoder);
69 };
70
71 struct nouveau_encoder *
72 find_encoder(struct drm_connector *connector, int type);
73
nouveau_encoder(struct drm_encoder * enc)74 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
75 {
76 struct drm_encoder_slave *slave = to_encoder_slave(enc);
77
78 return container_of(slave, struct nouveau_encoder, base);
79 }
80
to_drm_encoder(struct nouveau_encoder * enc)81 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
82 {
83 return &enc->base.base;
84 }
85
86 static inline const struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder * enc)87 get_slave_funcs(struct drm_encoder *enc)
88 {
89 return to_encoder_slave(enc)->slave_funcs;
90 }
91
92 /* nouveau_dp.c */
93 int nouveau_dp_detect(struct nouveau_encoder *);
94
95 struct nouveau_connector *
96 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
97
98 #endif /* __NOUVEAU_ENCODER_H__ */
99