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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 "dispnv04/disp.h"
34
35#define NV_DPMS_CLEARED 0x80
36
37struct nvkm_i2c_port;
38
39struct 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
71struct nouveau_encoder *
72find_encoder(struct drm_connector *connector, int type);
73
74static 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
81static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
82{
83 return &enc->base.base;
84}
85
86static inline const struct drm_encoder_slave_funcs *
87get_slave_funcs(struct drm_encoder *enc)
88{
89 return to_encoder_slave(enc)->slave_funcs;
90}
91
92/* nouveau_dp.c */
93int nouveau_dp_detect(struct nouveau_encoder *);
94
95struct nouveau_connector *
96nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
97
98#endif /* __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 <subdev/bios/dcb.h>
31
32#include <drm/drm_encoder_slave.h>
33#include <drm/drm_dp_mst_helper.h>
34#include "dispnv04/disp.h"
35struct nv50_head_atom;
36
37#define NV_DPMS_CLEARED 0x80
38
39struct nvkm_i2c_port;
40
41struct nouveau_encoder {
42 struct drm_encoder_slave base;
43
44 struct dcb_output *dcb;
45 int or;
46 int link;
47
48 struct i2c_adapter *i2c;
49 struct nvkm_i2c_aux *aux;
50
51 /* different to drm_encoder.crtc, this reflects what's
52 * actually programmed on the hw, not the proposed crtc */
53 struct drm_crtc *crtc;
54 u32 ctrl;
55
56 struct drm_display_mode mode;
57 int last_dpms;
58
59 struct nv04_output_reg restore;
60
61 union {
62 struct {
63 struct nv50_mstm *mstm;
64 int link_nr;
65 int link_bw;
66 } dp;
67 };
68
69 void (*enc_save)(struct drm_encoder *encoder);
70 void (*enc_restore)(struct drm_encoder *encoder);
71 void (*update)(struct nouveau_encoder *, u8 head,
72 struct nv50_head_atom *, u8 proto, u8 depth);
73};
74
75struct nouveau_encoder *
76find_encoder(struct drm_connector *connector, int type);
77
78static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
79{
80 struct drm_encoder_slave *slave = to_encoder_slave(enc);
81
82 return container_of(slave, struct nouveau_encoder, base);
83}
84
85static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
86{
87 return &enc->base.base;
88}
89
90static inline const struct drm_encoder_slave_funcs *
91get_slave_funcs(struct drm_encoder *enc)
92{
93 return to_encoder_slave(enc)->slave_funcs;
94}
95
96/* nouveau_dp.c */
97enum nouveau_dp_status {
98 NOUVEAU_DP_SST,
99 NOUVEAU_DP_MST,
100};
101
102int nouveau_dp_detect(struct nouveau_encoder *);
103
104struct nouveau_connector *
105nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
106
107int nv50_mstm_detect(struct nv50_mstm *, u8 dpcd[8], int allow);
108void nv50_mstm_remove(struct nv50_mstm *);
109void nv50_mstm_service(struct nv50_mstm *);
110#endif /* __NOUVEAU_ENCODER_H__ */