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nouveau_connector.h revision 760285e7e7ab282c25b5e90816f7c47000557f4f 
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 <drm/drm_edid.h>
31#include "nouveau_i2c.h"
32
33enum nouveau_underscan_type {
34	UNDERSCAN_OFF,
35	UNDERSCAN_ON,
36	UNDERSCAN_AUTO,
37};
38
39/* the enum values specifically defined here match nv50/nvd0 hw values, and
40 * the code relies on this
41 */
42enum nouveau_dithering_mode {
43	DITHERING_MODE_OFF = 0x00,
44	DITHERING_MODE_ON = 0x01,
45	DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
46	DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
47	DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
48	DITHERING_MODE_AUTO
49};
50
51enum nouveau_dithering_depth {
52	DITHERING_DEPTH_6BPC = 0x00,
53	DITHERING_DEPTH_8BPC = 0x02,
54	DITHERING_DEPTH_AUTO
55};
56
57struct nouveau_connector {
58	struct drm_connector base;
59	enum dcb_connector_type type;
60	u8 index;
61	u8 *dcb;
62	u8 hpd;
63
64	int dithering_mode;
65	int dithering_depth;
66	int scaling_mode;
67	enum nouveau_underscan_type underscan;
68	u32 underscan_hborder;
69	u32 underscan_vborder;
70
71	struct nouveau_encoder *detected_encoder;
72	struct edid *edid;
73	struct drm_display_mode *native_mode;
74};
75
76static inline struct nouveau_connector *nouveau_connector(
77						struct drm_connector *con)
78{
79	return container_of(con, struct nouveau_connector, base);
80}
81
82struct drm_connector *
83nouveau_connector_create(struct drm_device *, int index);
84
85int
86nouveau_connector_bpp(struct drm_connector *);
87
88#endif /* __NOUVEAU_CONNECTOR_H__ */
89