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_encoder.h>
34 #include <drm/drm_dp_helper.h>
35 #include "nouveau_crtc.h"
36 #include "nouveau_encoder.h"
37 
38 struct nvkm_i2c_port;
39 
40 struct nouveau_connector {
41 	struct drm_connector base;
42 	enum dcb_connector_type type;
43 	u8 index;
44 	u8 *dcb;
45 
46 	struct nvif_notify hpd;
47 
48 	struct drm_dp_aux aux;
49 
50 	int dithering_mode;
51 	int scaling_mode;
52 
53 	struct nouveau_encoder *detected_encoder;
54 	struct edid *edid;
55 	struct drm_display_mode *native_mode;
56 };
57 
58 static inline struct nouveau_connector *nouveau_connector(
59 						struct drm_connector *con)
60 {
61 	return container_of(con, struct nouveau_connector, base);
62 }
63 
64 static inline bool
65 nouveau_connector_is_mst(struct drm_connector *connector)
66 {
67 	const struct nouveau_encoder *nv_encoder;
68 	const struct drm_encoder *encoder;
69 
70 	if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
71 		return false;
72 
73 	nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
74 	if (!nv_encoder)
75 		return false;
76 
77 	encoder = &nv_encoder->base.base;
78 	return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
79 }
80 
81 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \
82 	drm_for_each_connector_iter(connector, iter) \
83 		for_each_if(!nouveau_connector_is_mst(connector))
84 
85 static inline struct nouveau_connector *
86 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
87 {
88 	struct drm_device *dev = nv_crtc->base.dev;
89 	struct drm_connector *connector;
90 	struct drm_connector_list_iter conn_iter;
91 	struct nouveau_connector *nv_connector = NULL;
92 	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
93 
94 	drm_connector_list_iter_begin(dev, &conn_iter);
95 	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
96 		if (connector->encoder && connector->encoder->crtc == crtc) {
97 			nv_connector = nouveau_connector(connector);
98 			break;
99 		}
100 	}
101 	drm_connector_list_iter_end(&conn_iter);
102 
103 	return nv_connector;
104 }
105 
106 struct drm_connector *
107 nouveau_connector_create(struct drm_device *, int index);
108 
109 extern int nouveau_tv_disable;
110 extern int nouveau_ignorelid;
111 extern int nouveau_duallink;
112 extern int nouveau_hdmimhz;
113 
114 #include <drm/drm_crtc.h>
115 #define nouveau_conn_atom(p)                                                   \
116 	container_of((p), struct nouveau_conn_atom, state)
117 
118 struct nouveau_conn_atom {
119 	struct drm_connector_state state;
120 
121 	struct {
122 		/* The enum values specifically defined here match nv50/gf119
123 		 * hw values, and the code relies on this.
124 		 */
125 		enum {
126 			DITHERING_MODE_OFF = 0x00,
127 			DITHERING_MODE_ON = 0x01,
128 			DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
129 			DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
130 			DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
131 			DITHERING_MODE_AUTO
132 		} mode;
133 		enum {
134 			DITHERING_DEPTH_6BPC = 0x00,
135 			DITHERING_DEPTH_8BPC = 0x02,
136 			DITHERING_DEPTH_AUTO
137 		} depth;
138 	} dither;
139 
140 	struct {
141 		int mode;	/* DRM_MODE_SCALE_* */
142 		struct {
143 			enum {
144 				UNDERSCAN_OFF,
145 				UNDERSCAN_ON,
146 				UNDERSCAN_AUTO,
147 			} mode;
148 			u32 hborder;
149 			u32 vborder;
150 		} underscan;
151 		bool full;
152 	} scaler;
153 
154 	struct {
155 		int color_vibrance;
156 		int vibrant_hue;
157 	} procamp;
158 
159 	union {
160 		struct {
161 			bool dither:1;
162 			bool scaler:1;
163 			bool procamp:1;
164 		};
165 		u8 mask;
166 	} set;
167 };
168 
169 void nouveau_conn_attach_properties(struct drm_connector *);
170 void nouveau_conn_reset(struct drm_connector *);
171 struct drm_connector_state *
172 nouveau_conn_atomic_duplicate_state(struct drm_connector *);
173 void nouveau_conn_atomic_destroy_state(struct drm_connector *,
174 				       struct drm_connector_state *);
175 int nouveau_conn_atomic_set_property(struct drm_connector *,
176 				     struct drm_connector_state *,
177 				     struct drm_property *, u64);
178 int nouveau_conn_atomic_get_property(struct drm_connector *,
179 				     const struct drm_connector_state *,
180 				     struct drm_property *, u64 *);
181 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
182 #endif /* __NOUVEAU_CONNECTOR_H__ */
183