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_edid.h"
31 #include "nouveau_i2c.h"
32 
33 enum 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  */
42 enum 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 
51 enum nouveau_dithering_depth {
52 	DITHERING_DEPTH_6BPC = 0x00,
53 	DITHERING_DEPTH_8BPC = 0x02,
54 	DITHERING_DEPTH_AUTO
55 };
56 
57 struct 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 
76 static inline struct nouveau_connector *nouveau_connector(
77 						struct drm_connector *con)
78 {
79 	return container_of(con, struct nouveau_connector, base);
80 }
81 
82 struct drm_connector *
83 nouveau_connector_create(struct drm_device *, int index);
84 
85 int
86 nouveau_connector_bpp(struct drm_connector *);
87 
88 #endif /* __NOUVEAU_CONNECTOR_H__ */
89