2 * Copyright (C) 2008 Maarten Maathuis.
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:
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.
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.
27 #ifndef __NOUVEAU_ENCODER_H__
28 #define __NOUVEAU_ENCODER_H__
30 #include <subdev/bios/dcb.h>
32 #include <drm/drm_encoder_slave.h>
33 #include <drm/drm_dp_mst_helper.h>
34 #include "dispnv04/disp.h"
35 struct nv50_head_atom;
37 #define NV_DPMS_CLEARED 0x80
41 struct nouveau_encoder {
42 struct drm_encoder_slave base;
44 struct dcb_output *dcb;
48 struct i2c_adapter *i2c;
49 struct nvkm_i2c_aux *aux;
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;
57 struct drm_display_mode mode;
60 struct nv04_output_reg restore;
64 struct nv50_mstm *mstm;
71 bool dp_interlace : 1;
74 void (*enc_save)(struct drm_encoder *encoder);
75 void (*enc_restore)(struct drm_encoder *encoder);
76 void (*update)(struct nouveau_encoder *, u8 head,
77 struct nv50_head_atom *, u8 proto, u8 depth);
80 struct nouveau_encoder *
81 find_encoder(struct drm_connector *connector, int type);
83 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
85 struct drm_encoder_slave *slave = to_encoder_slave(enc);
87 return container_of(slave, struct nouveau_encoder, base);
90 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
92 return &enc->base.base;
95 static inline const struct drm_encoder_slave_funcs *
96 get_slave_funcs(struct drm_encoder *enc)
98 return to_encoder_slave(enc)->slave_funcs;
102 enum nouveau_dp_status {
107 int nouveau_dp_detect(struct nouveau_encoder *);
108 enum drm_mode_status nv50_dp_mode_valid(struct drm_connector *,
109 struct nouveau_encoder *,
110 const struct drm_display_mode *,
113 struct nouveau_connector *
114 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
116 int nv50_mstm_detect(struct nv50_mstm *, u8 dpcd[8], int allow);
117 void nv50_mstm_remove(struct nv50_mstm *);
118 void nv50_mstm_service(struct nv50_mstm *);
119 #endif /* __NOUVEAU_ENCODER_H__ */