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 <drm/drm_util.h>
36 
37 #include "nouveau_crtc.h"
38 #include "nouveau_encoder.h"
39 
40 struct nvkm_i2c_port;
41 
42 struct nouveau_connector {
43 	struct drm_connector base;
44 	enum dcb_connector_type type;
45 	u8 index;
46 	u8 *dcb;
47 
48 	struct nvif_notify hpd;
49 
50 	struct drm_dp_aux aux;
51 
52 	int dithering_mode;
53 	int scaling_mode;
54 
55 	struct nouveau_encoder *detected_encoder;
56 	struct edid *edid;
57 	struct drm_display_mode *native_mode;
58 };
59 
60 static inline struct nouveau_connector *nouveau_connector(
61 						struct drm_connector *con)
62 {
63 	return container_of(con, struct nouveau_connector, base);
64 }
65 
66 static inline bool
67 nouveau_connector_is_mst(struct drm_connector *connector)
68 {
69 	const struct nouveau_encoder *nv_encoder;
70 	const struct drm_encoder *encoder;
71 
72 	if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
73 		return false;
74 
75 	nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
76 	if (!nv_encoder)
77 		return false;
78 
79 	encoder = &nv_encoder->base.base;
80 	return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
81 }
82 
83 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \
84 	drm_for_each_connector_iter(connector, iter) \
85 		for_each_if(!nouveau_connector_is_mst(connector))
86 
87 static inline struct nouveau_connector *
88 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
89 {
90 	struct drm_device *dev = nv_crtc->base.dev;
91 	struct drm_connector *connector;
92 	struct drm_connector_list_iter conn_iter;
93 	struct nouveau_connector *nv_connector = NULL;
94 	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
95 
96 	drm_connector_list_iter_begin(dev, &conn_iter);
97 	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
98 		if (connector->encoder && connector->encoder->crtc == crtc) {
99 			nv_connector = nouveau_connector(connector);
100 			break;
101 		}
102 	}
103 	drm_connector_list_iter_end(&conn_iter);
104 
105 	return nv_connector;
106 }
107 
108 struct drm_connector *
109 nouveau_connector_create(struct drm_device *, int index);
110 
111 extern int nouveau_tv_disable;
112 extern int nouveau_ignorelid;
113 extern int nouveau_duallink;
114 extern int nouveau_hdmimhz;
115 
116 #include <drm/drm_crtc.h>
117 #define nouveau_conn_atom(p)                                                   \
118 	container_of((p), struct nouveau_conn_atom, state)
119 
120 struct nouveau_conn_atom {
121 	struct drm_connector_state state;
122 
123 	struct {
124 		/* The enum values specifically defined here match nv50/gf119
125 		 * hw values, and the code relies on this.
126 		 */
127 		enum {
128 			DITHERING_MODE_OFF = 0x00,
129 			DITHERING_MODE_ON = 0x01,
130 			DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
131 			DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
132 			DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
133 			DITHERING_MODE_AUTO
134 		} mode;
135 		enum {
136 			DITHERING_DEPTH_6BPC = 0x00,
137 			DITHERING_DEPTH_8BPC = 0x02,
138 			DITHERING_DEPTH_AUTO
139 		} depth;
140 	} dither;
141 
142 	struct {
143 		int mode;	/* DRM_MODE_SCALE_* */
144 		struct {
145 			enum {
146 				UNDERSCAN_OFF,
147 				UNDERSCAN_ON,
148 				UNDERSCAN_AUTO,
149 			} mode;
150 			u32 hborder;
151 			u32 vborder;
152 		} underscan;
153 		bool full;
154 	} scaler;
155 
156 	struct {
157 		int color_vibrance;
158 		int vibrant_hue;
159 	} procamp;
160 
161 	union {
162 		struct {
163 			bool dither:1;
164 			bool scaler:1;
165 			bool procamp:1;
166 		};
167 		u8 mask;
168 	} set;
169 };
170 
171 void nouveau_conn_attach_properties(struct drm_connector *);
172 void nouveau_conn_reset(struct drm_connector *);
173 struct drm_connector_state *
174 nouveau_conn_atomic_duplicate_state(struct drm_connector *);
175 void nouveau_conn_atomic_destroy_state(struct drm_connector *,
176 				       struct drm_connector_state *);
177 int nouveau_conn_atomic_set_property(struct drm_connector *,
178 				     struct drm_connector_state *,
179 				     struct drm_property *, u64);
180 int nouveau_conn_atomic_get_property(struct drm_connector *,
181 				     const struct drm_connector_state *,
182 				     struct drm_property *, u64 *);
183 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
184 #endif /* __NOUVEAU_CONNECTOR_H__ */
185