1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2008 Maarten Maathuis.
3*4882a593Smuzhiyun * All Rights Reserved.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining
6*4882a593Smuzhiyun * a copy of this software and associated documentation files (the
7*4882a593Smuzhiyun * "Software"), to deal in the Software without restriction, including
8*4882a593Smuzhiyun * without limitation the rights to use, copy, modify, merge, publish,
9*4882a593Smuzhiyun * distribute, sublicense, and/or sell copies of the Software, and to
10*4882a593Smuzhiyun * permit persons to whom the Software is furnished to do so, subject to
11*4882a593Smuzhiyun * the following conditions:
12*4882a593Smuzhiyun *
13*4882a593Smuzhiyun * The above copyright notice and this permission notice (including the
14*4882a593Smuzhiyun * next paragraph) shall be included in all copies or substantial
15*4882a593Smuzhiyun * portions of the Software.
16*4882a593Smuzhiyun *
17*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18*4882a593Smuzhiyun * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20*4882a593Smuzhiyun * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21*4882a593Smuzhiyun * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22*4882a593Smuzhiyun * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23*4882a593Smuzhiyun * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24*4882a593Smuzhiyun *
25*4882a593Smuzhiyun */
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun #ifndef __NOUVEAU_ENCODER_H__
28*4882a593Smuzhiyun #define __NOUVEAU_ENCODER_H__
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #include <subdev/bios/dcb.h>
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun #include <drm/drm_encoder_slave.h>
33*4882a593Smuzhiyun #include <drm/drm_dp_mst_helper.h>
34*4882a593Smuzhiyun #include "dispnv04/disp.h"
35*4882a593Smuzhiyun struct nv50_head_atom;
36*4882a593Smuzhiyun struct nouveau_connector;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun #define NV_DPMS_CLEARED 0x80
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun struct nvkm_i2c_port;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun struct nouveau_encoder {
43*4882a593Smuzhiyun struct drm_encoder_slave base;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun struct dcb_output *dcb;
46*4882a593Smuzhiyun int or;
47*4882a593Smuzhiyun int link;
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun struct i2c_adapter *i2c;
50*4882a593Smuzhiyun struct nvkm_i2c_aux *aux;
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun /* different to drm_encoder.crtc, this reflects what's
53*4882a593Smuzhiyun * actually programmed on the hw, not the proposed crtc */
54*4882a593Smuzhiyun struct drm_crtc *crtc;
55*4882a593Smuzhiyun u32 ctrl;
56*4882a593Smuzhiyun bool audio;
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun struct drm_display_mode mode;
59*4882a593Smuzhiyun int last_dpms;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun struct nv04_output_reg restore;
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun union {
64*4882a593Smuzhiyun struct {
65*4882a593Smuzhiyun struct nv50_mstm *mstm;
66*4882a593Smuzhiyun int link_nr;
67*4882a593Smuzhiyun int link_bw;
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun /* Protects DP state that needs to be accessed outside
70*4882a593Smuzhiyun * connector reprobing contexts
71*4882a593Smuzhiyun */
72*4882a593Smuzhiyun struct mutex hpd_irq_lock;
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun u8 dpcd[DP_RECEIVER_CAP_SIZE];
75*4882a593Smuzhiyun u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
76*4882a593Smuzhiyun struct drm_dp_desc desc;
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun u8 sink_count;
79*4882a593Smuzhiyun } dp;
80*4882a593Smuzhiyun };
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun struct {
83*4882a593Smuzhiyun bool dp_interlace : 1;
84*4882a593Smuzhiyun } caps;
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun void (*enc_save)(struct drm_encoder *encoder);
87*4882a593Smuzhiyun void (*enc_restore)(struct drm_encoder *encoder);
88*4882a593Smuzhiyun void (*update)(struct nouveau_encoder *, u8 head,
89*4882a593Smuzhiyun struct nv50_head_atom *, u8 proto, u8 depth);
90*4882a593Smuzhiyun };
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun struct nv50_mstm {
93*4882a593Smuzhiyun struct nouveau_encoder *outp;
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun struct drm_dp_mst_topology_mgr mgr;
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun /* Protected under nouveau_encoder->dp.hpd_irq_lock */
98*4882a593Smuzhiyun bool can_mst;
99*4882a593Smuzhiyun bool is_mst;
100*4882a593Smuzhiyun bool suspended;
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun bool modified;
103*4882a593Smuzhiyun bool disabled;
104*4882a593Smuzhiyun int links;
105*4882a593Smuzhiyun };
106*4882a593Smuzhiyun
107*4882a593Smuzhiyun struct nouveau_encoder *
108*4882a593Smuzhiyun find_encoder(struct drm_connector *connector, int type);
109*4882a593Smuzhiyun
nouveau_encoder(struct drm_encoder * enc)110*4882a593Smuzhiyun static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
111*4882a593Smuzhiyun {
112*4882a593Smuzhiyun struct drm_encoder_slave *slave = to_encoder_slave(enc);
113*4882a593Smuzhiyun
114*4882a593Smuzhiyun return container_of(slave, struct nouveau_encoder, base);
115*4882a593Smuzhiyun }
116*4882a593Smuzhiyun
to_drm_encoder(struct nouveau_encoder * enc)117*4882a593Smuzhiyun static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
118*4882a593Smuzhiyun {
119*4882a593Smuzhiyun return &enc->base.base;
120*4882a593Smuzhiyun }
121*4882a593Smuzhiyun
122*4882a593Smuzhiyun static inline const struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder * enc)123*4882a593Smuzhiyun get_slave_funcs(struct drm_encoder *enc)
124*4882a593Smuzhiyun {
125*4882a593Smuzhiyun return to_encoder_slave(enc)->slave_funcs;
126*4882a593Smuzhiyun }
127*4882a593Smuzhiyun
128*4882a593Smuzhiyun /* nouveau_dp.c */
129*4882a593Smuzhiyun enum nouveau_dp_status {
130*4882a593Smuzhiyun NOUVEAU_DP_NONE,
131*4882a593Smuzhiyun NOUVEAU_DP_SST,
132*4882a593Smuzhiyun NOUVEAU_DP_MST,
133*4882a593Smuzhiyun };
134*4882a593Smuzhiyun
135*4882a593Smuzhiyun int nouveau_dp_detect(struct nouveau_connector *, struct nouveau_encoder *);
136*4882a593Smuzhiyun void nouveau_dp_irq(struct nouveau_drm *drm,
137*4882a593Smuzhiyun struct nouveau_connector *nv_connector);
138*4882a593Smuzhiyun enum drm_mode_status nv50_dp_mode_valid(struct drm_connector *,
139*4882a593Smuzhiyun struct nouveau_encoder *,
140*4882a593Smuzhiyun const struct drm_display_mode *,
141*4882a593Smuzhiyun unsigned *clock);
142*4882a593Smuzhiyun
143*4882a593Smuzhiyun struct nouveau_connector *
144*4882a593Smuzhiyun nv50_outp_get_new_connector(struct nouveau_encoder *outp,
145*4882a593Smuzhiyun struct drm_atomic_state *state);
146*4882a593Smuzhiyun struct nouveau_connector *
147*4882a593Smuzhiyun nv50_outp_get_old_connector(struct nouveau_encoder *outp,
148*4882a593Smuzhiyun struct drm_atomic_state *state);
149*4882a593Smuzhiyun
150*4882a593Smuzhiyun int nv50_mstm_detect(struct nouveau_encoder *encoder);
151*4882a593Smuzhiyun void nv50_mstm_remove(struct nv50_mstm *mstm);
152*4882a593Smuzhiyun bool nv50_mstm_service(struct nouveau_drm *drm,
153*4882a593Smuzhiyun struct nouveau_connector *nv_connector,
154*4882a593Smuzhiyun struct nv50_mstm *mstm);
155*4882a593Smuzhiyun #endif /* __NOUVEAU_ENCODER_H__ */
156