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
68struct nouveau_encoder *
69find_encoder(struct drm_connector *connector, int type);
70
71static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
72{
73	struct drm_encoder_slave *slave = to_encoder_slave(enc);
74
75	return container_of(slave, struct nouveau_encoder, base);
76}
77
78static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
79{
80	return &enc->base.base;
81}
82
83static inline struct drm_encoder_slave_funcs *
84get_slave_funcs(struct drm_encoder *enc)
85{
86	return to_encoder_slave(enc)->slave_funcs;
87}
88
89/* nouveau_dp.c */
90int nouveau_dp_detect(struct nouveau_encoder *);
91
92struct nouveau_connector *
93nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
94
95#endif /* __NOUVEAU_ENCODER_H__ */
96