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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#include <nvif/outp.h>
30#include <subdev/bios/dcb.h>
31
32#include <drm/display/drm_dp_helper.h>
33#include <drm/display/drm_dp_mst_helper.h>
34#include <drm/drm_encoder_slave.h>
35
36#include "dispnv04/disp.h"
37
38struct nv50_head_atom;
39struct nouveau_connector;
40
41#define NV_DPMS_CLEARED 0x80
42
43struct nvkm_i2c_port;
44
45struct nouveau_encoder {
46 struct drm_encoder_slave base;
47
48 struct dcb_output *dcb;
49 struct nvif_outp outp;
50 int or;
51
52 struct i2c_adapter *i2c;
53 struct nvkm_i2c_aux *aux;
54
55 /* different to drm_encoder.crtc, this reflects what's
56 * actually programmed on the hw, not the proposed crtc */
57 struct drm_crtc *crtc;
58 u32 ctrl;
59
60 /* Protected by nouveau_drm.audio.lock */
61 struct {
62 bool enabled;
63 struct drm_connector *connector;
64 } audio;
65
66 struct drm_display_mode mode;
67 int last_dpms;
68
69 struct nv04_output_reg restore;
70
71 union {
72 struct {
73 struct nv50_mstm *mstm;
74 int link_nr;
75 int link_bw;
76
77 /* Protects DP state that needs to be accessed outside
78 * connector reprobing contexts
79 */
80 struct mutex hpd_irq_lock;
81
82 u8 dpcd[DP_RECEIVER_CAP_SIZE];
83 u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
84 struct drm_dp_desc desc;
85
86 u8 sink_count;
87 } dp;
88 };
89
90 struct {
91 bool dp_interlace : 1;
92 } caps;
93
94 void (*enc_save)(struct drm_encoder *encoder);
95 void (*enc_restore)(struct drm_encoder *encoder);
96 void (*update)(struct nouveau_encoder *, u8 head,
97 struct nv50_head_atom *, u8 proto, u8 depth);
98};
99
100struct nv50_mstm {
101 struct nouveau_encoder *outp;
102
103 struct drm_dp_mst_topology_mgr mgr;
104
105 /* Protected under nouveau_encoder->dp.hpd_irq_lock */
106 bool can_mst;
107 bool is_mst;
108 bool suspended;
109
110 bool modified;
111 bool disabled;
112 int links;
113};
114
115struct nouveau_encoder *
116find_encoder(struct drm_connector *connector, int type);
117
118static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
119{
120 struct drm_encoder_slave *slave = to_encoder_slave(enc);
121
122 return container_of(slave, struct nouveau_encoder, base);
123}
124
125static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
126{
127 return &enc->base.base;
128}
129
130static inline const struct drm_encoder_slave_funcs *
131get_slave_funcs(struct drm_encoder *enc)
132{
133 return to_encoder_slave(enc)->slave_funcs;
134}
135
136/* nouveau_dp.c */
137enum nouveau_dp_status {
138 NOUVEAU_DP_NONE,
139 NOUVEAU_DP_SST,
140 NOUVEAU_DP_MST,
141};
142
143int nouveau_dp_detect(struct nouveau_connector *, struct nouveau_encoder *);
144bool nouveau_dp_link_check(struct nouveau_connector *);
145void nouveau_dp_irq(struct work_struct *);
146enum drm_mode_status nv50_dp_mode_valid(struct drm_connector *,
147 struct nouveau_encoder *,
148 const struct drm_display_mode *,
149 unsigned *clock);
150
151struct nouveau_connector *
152nv50_outp_get_new_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp);
153struct nouveau_connector *
154nv50_outp_get_old_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp);
155
156int nv50_mstm_detect(struct nouveau_encoder *encoder);
157void nv50_mstm_remove(struct nv50_mstm *mstm);
158bool nv50_mstm_service(struct nouveau_drm *drm,
159 struct nouveau_connector *nv_connector,
160 struct nv50_mstm *mstm);
161#endif /* __NOUVEAU_ENCODER_H__ */