aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nouveau_encoder.h
blob: e24341229d5e0e6d3ed330a5895a478d32ccdf69 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
/*
 * Copyright (C) 2008 Maarten Maathuis.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#ifndef __NOUVEAU_ENCODER_H__
#define __NOUVEAU_ENCODER_H__

#include <subdev/bios/dcb.h>

#include <drm/drm_encoder_slave.h>
#include "nv04_display.h"

#define NV_DPMS_CLEARED 0x80

struct nouveau_i2c_port;

struct nouveau_encoder {
	struct drm_encoder_slave base;

	struct dcb_output *dcb;
	int or;
	struct nouveau_i2c_port *i2c;

	/* different to drm_encoder.crtc, this reflects what's
	 * actually programmed on the hw, not the proposed crtc */
	struct drm_crtc *crtc;

	struct drm_display_mode mode;
	int last_dpms;

	struct nv04_output_reg restore;

	union {
		struct {
			u8  dpcd[8];
			int link_nr;
			int link_bw;
			u32 datarate;
		} dp;
	};
};

struct nouveau_encoder *
find_encoder(struct drm_connector *connector, int type);

static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
{
	struct drm_encoder_slave *slave = to_encoder_slave(enc);

	return container_of(slave, struct nouveau_encoder, base);
}

static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
{
	return &enc->base.base;
}

static inline struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder *enc)
{
	return to_encoder_slave(enc)->slave_funcs;
}

/* nouveau_dp.c */
bool nouveau_dp_detect(struct drm_encoder *);
void nouveau_dp_dpms(struct drm_encoder *, int mode, u32 datarate,
		     struct nouveau_object *);

struct nouveau_connector *
nouveau_encoder_connector_get(struct nouveau_encoder *encoder);

#endif /* __NOUVEAU_ENCODER_H__ */