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 
36 struct nvkm_i2c_port;
37 
38 struct nouveau_connector {
39 	struct drm_connector base;
40 	enum dcb_connector_type type;
41 	u8 index;
42 	u8 *dcb;
43 
44 	struct nvif_notify hpd;
45 
46 	struct drm_dp_aux aux;
47 
48 	int dithering_mode;
49 	int scaling_mode;
50 
51 	struct nouveau_encoder *detected_encoder;
52 	struct edid *edid;
53 	struct drm_display_mode *native_mode;
54 };
55 
56 static inline struct nouveau_connector *nouveau_connector(
57 						struct drm_connector *con)
58 {
59 	return container_of(con, struct nouveau_connector, base);
60 }
61 
62 static inline struct nouveau_connector *
63 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
64 {
65 	struct drm_device *dev = nv_crtc->base.dev;
66 	struct drm_connector *connector;
67 	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
68 
69 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
70 		if (connector->encoder && connector->encoder->crtc == crtc)
71 			return nouveau_connector(connector);
72 	}
73 
74 	return NULL;
75 }
76 
77 struct drm_connector *
78 nouveau_connector_create(struct drm_device *, int index);
79 
80 extern int nouveau_tv_disable;
81 extern int nouveau_ignorelid;
82 extern int nouveau_duallink;
83 extern int nouveau_hdmimhz;
84 
85 #include <drm/drm_crtc.h>
86 #define nouveau_conn_atom(p)                                                   \
87 	container_of((p), struct nouveau_conn_atom, state)
88 
89 struct nouveau_conn_atom {
90 	struct drm_connector_state state;
91 
92 	struct {
93 		/* The enum values specifically defined here match nv50/gf119
94 		 * hw values, and the code relies on this.
95 		 */
96 		enum {
97 			DITHERING_MODE_OFF = 0x00,
98 			DITHERING_MODE_ON = 0x01,
99 			DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
100 			DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
101 			DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
102 			DITHERING_MODE_AUTO
103 		} mode;
104 		enum {
105 			DITHERING_DEPTH_6BPC = 0x00,
106 			DITHERING_DEPTH_8BPC = 0x02,
107 			DITHERING_DEPTH_AUTO
108 		} depth;
109 	} dither;
110 
111 	struct {
112 		int mode;	/* DRM_MODE_SCALE_* */
113 		struct {
114 			enum {
115 				UNDERSCAN_OFF,
116 				UNDERSCAN_ON,
117 				UNDERSCAN_AUTO,
118 			} mode;
119 			u32 hborder;
120 			u32 vborder;
121 		} underscan;
122 		bool full;
123 	} scaler;
124 
125 	struct {
126 		int color_vibrance;
127 		int vibrant_hue;
128 	} procamp;
129 
130 	union {
131 		struct {
132 			bool dither:1;
133 			bool scaler:1;
134 			bool procamp:1;
135 		};
136 		u8 mask;
137 	} set;
138 };
139 
140 void nouveau_conn_attach_properties(struct drm_connector *);
141 void nouveau_conn_reset(struct drm_connector *);
142 struct drm_connector_state *
143 nouveau_conn_atomic_duplicate_state(struct drm_connector *);
144 void nouveau_conn_atomic_destroy_state(struct drm_connector *,
145 				       struct drm_connector_state *);
146 int nouveau_conn_atomic_set_property(struct drm_connector *,
147 				     struct drm_connector_state *,
148 				     struct drm_property *, u64);
149 int nouveau_conn_atomic_get_property(struct drm_connector *,
150 				     const struct drm_connector_state *,
151 				     struct drm_property *, u64 *);
152 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
153 #endif /* __NOUVEAU_CONNECTOR_H__ */
154