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 | |
38 | struct nv50_head_atom; |
39 | struct nouveau_connector; |
40 | |
41 | #define NV_DPMS_CLEARED 0x80 |
42 | |
43 | struct nvkm_i2c_port; |
44 | |
45 | struct 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 nouveau_connector *conn; |
53 | |
54 | struct i2c_adapter *i2c; |
55 | |
56 | /* different to drm_encoder.crtc, this reflects what's |
57 | * actually programmed on the hw, not the proposed crtc */ |
58 | struct drm_crtc *crtc; |
59 | u32 ctrl; |
60 | |
61 | /* Protected by nouveau_drm.audio.lock */ |
62 | struct { |
63 | bool enabled; |
64 | } audio; |
65 | |
66 | struct drm_display_mode mode; |
67 | int last_dpms; |
68 | |
69 | struct nv04_output_reg restore; |
70 | |
71 | struct { |
72 | struct { |
73 | bool enabled; |
74 | } hdmi; |
75 | |
76 | struct { |
77 | struct nv50_mstm *mstm; |
78 | |
79 | struct { |
80 | u8 caps[DP_LTTPR_COMMON_CAP_SIZE]; |
81 | u8 nr; |
82 | } lttpr; |
83 | |
84 | u8 dpcd[DP_RECEIVER_CAP_SIZE]; |
85 | |
86 | struct nvif_outp_dp_rate rate[8]; |
87 | int rate_nr; |
88 | |
89 | int link_nr; |
90 | int link_bw; |
91 | |
92 | struct { |
93 | bool mst; |
94 | u8 nr; |
95 | u32 bw; |
96 | } lt; |
97 | |
98 | /* Protects DP state that needs to be accessed outside |
99 | * connector reprobing contexts |
100 | */ |
101 | struct mutex hpd_irq_lock; |
102 | |
103 | u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; |
104 | struct drm_dp_desc desc; |
105 | |
106 | u8 sink_count; |
107 | } dp; |
108 | }; |
109 | |
110 | struct { |
111 | bool dp_interlace : 1; |
112 | } caps; |
113 | |
114 | void (*enc_save)(struct drm_encoder *encoder); |
115 | void (*enc_restore)(struct drm_encoder *encoder); |
116 | void (*update)(struct nouveau_encoder *, u8 head, |
117 | struct nv50_head_atom *, u8 proto, u8 depth); |
118 | }; |
119 | |
120 | struct nv50_mstm { |
121 | struct nouveau_encoder *outp; |
122 | |
123 | struct drm_dp_mst_topology_mgr mgr; |
124 | |
125 | /* Protected under nouveau_encoder->dp.hpd_irq_lock */ |
126 | bool can_mst; |
127 | bool is_mst; |
128 | bool suspended; |
129 | |
130 | bool modified; |
131 | bool disabled; |
132 | int links; |
133 | }; |
134 | |
135 | struct nouveau_encoder * |
136 | find_encoder(struct drm_connector *connector, int type); |
137 | |
138 | static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc) |
139 | { |
140 | struct drm_encoder_slave *slave = to_encoder_slave(enc); |
141 | |
142 | return container_of(slave, struct nouveau_encoder, base); |
143 | } |
144 | |
145 | static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc) |
146 | { |
147 | return &enc->base.base; |
148 | } |
149 | |
150 | static inline const struct drm_encoder_slave_funcs * |
151 | get_slave_funcs(struct drm_encoder *enc) |
152 | { |
153 | return to_encoder_slave(enc)->slave_funcs; |
154 | } |
155 | |
156 | /* nouveau_dp.c */ |
157 | enum nouveau_dp_status { |
158 | NOUVEAU_DP_NONE, |
159 | NOUVEAU_DP_SST, |
160 | NOUVEAU_DP_MST, |
161 | }; |
162 | |
163 | int nouveau_dp_detect(struct nouveau_connector *, struct nouveau_encoder *); |
164 | bool nouveau_dp_train(struct nouveau_encoder *, bool mst, u32 khz, u8 bpc); |
165 | void nouveau_dp_power_down(struct nouveau_encoder *); |
166 | bool nouveau_dp_link_check(struct nouveau_connector *); |
167 | void nouveau_dp_irq(struct work_struct *); |
168 | enum drm_mode_status nv50_dp_mode_valid(struct nouveau_encoder *, |
169 | const struct drm_display_mode *, |
170 | unsigned *clock); |
171 | |
172 | struct nouveau_connector * |
173 | nv50_outp_get_new_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp); |
174 | struct nouveau_connector * |
175 | nv50_outp_get_old_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp); |
176 | |
177 | int nv50_mstm_detect(struct nouveau_encoder *encoder); |
178 | void nv50_mstm_remove(struct nv50_mstm *mstm); |
179 | bool nv50_mstm_service(struct nouveau_drm *drm, |
180 | struct nouveau_connector *nv_connector, |
181 | struct nv50_mstm *mstm); |
182 | #endif /* __NOUVEAU_ENCODER_H__ */ |
183 | |