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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_CONNECTOR_H__
28#define __NOUVEAU_CONNECTOR_H__
29
30#include <nvif/notify.h>
31
32#include <drm/drm_edid.h>
33#include <drm/drm_dp_helper.h>
34#include "nouveau_crtc.h"
35
36struct nouveau_i2c_port;
37
38enum nouveau_underscan_type {
39	UNDERSCAN_OFF,
40	UNDERSCAN_ON,
41	UNDERSCAN_AUTO,
42};
43
44/* the enum values specifically defined here match nv50/nvd0 hw values, and
45 * the code relies on this
46 */
47enum nouveau_dithering_mode {
48	DITHERING_MODE_OFF = 0x00,
49	DITHERING_MODE_ON = 0x01,
50	DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
51	DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
52	DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
53	DITHERING_MODE_AUTO
54};
55
56enum nouveau_dithering_depth {
57	DITHERING_DEPTH_6BPC = 0x00,
58	DITHERING_DEPTH_8BPC = 0x02,
59	DITHERING_DEPTH_AUTO
60};
61
62struct nouveau_connector {
63	struct drm_connector base;
64	enum dcb_connector_type type;
65	u8 index;
66	u8 *dcb;
67
68	struct nvif_notify hpd;
69
70	struct drm_dp_aux aux;
71
72	int dithering_mode;
73	int dithering_depth;
74	int scaling_mode;
75	enum nouveau_underscan_type underscan;
76	u32 underscan_hborder;
77	u32 underscan_vborder;
78
79	struct nouveau_encoder *detected_encoder;
80	struct edid *edid;
81	struct drm_display_mode *native_mode;
82};
83
84static inline struct nouveau_connector *nouveau_connector(
85						struct drm_connector *con)
86{
87	return container_of(con, struct nouveau_connector, base);
88}
89
90static inline struct nouveau_connector *
91nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
92{
93	struct drm_device *dev = nv_crtc->base.dev;
94	struct drm_connector *connector;
95	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
96
97	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
98		if (connector->encoder && connector->encoder->crtc == crtc)
99			return nouveau_connector(connector);
100	}
101
102	return NULL;
103}
104
105struct drm_connector *
106nouveau_connector_create(struct drm_device *, int index);
107
108extern int nouveau_tv_disable;
109extern int nouveau_ignorelid;
110extern int nouveau_duallink;
111
112#endif /* __NOUVEAU_CONNECTOR_H__ */
113