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 struct dcb_output;
42
43 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
44 struct nouveau_backlight;
45 #endif
46
47 struct nouveau_connector {
48 struct drm_connector base;
49 enum dcb_connector_type type;
50 u8 index;
51 u8 *dcb;
52
53 struct nvif_notify hpd;
54
55 struct drm_dp_aux aux;
56
57 int dithering_mode;
58 int scaling_mode;
59
60 struct nouveau_encoder *detected_encoder;
61 struct edid *edid;
62 struct drm_display_mode *native_mode;
63 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
64 struct nouveau_backlight *backlight;
65 #endif
66 };
67
nouveau_connector(struct drm_connector * con)68 static inline struct nouveau_connector *nouveau_connector(
69 struct drm_connector *con)
70 {
71 return container_of(con, struct nouveau_connector, base);
72 }
73
74 static inline bool
nouveau_connector_is_mst(struct drm_connector * connector)75 nouveau_connector_is_mst(struct drm_connector *connector)
76 {
77 const struct nouveau_encoder *nv_encoder;
78 const struct drm_encoder *encoder;
79
80 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
81 return false;
82
83 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
84 if (!nv_encoder)
85 return false;
86
87 encoder = &nv_encoder->base.base;
88 return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
89 }
90
91 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \
92 drm_for_each_connector_iter(connector, iter) \
93 for_each_if(!nouveau_connector_is_mst(connector))
94
95 static inline struct nouveau_connector *
nouveau_crtc_connector_get(struct nouveau_crtc * nv_crtc)96 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
97 {
98 struct drm_device *dev = nv_crtc->base.dev;
99 struct drm_connector *connector;
100 struct drm_connector_list_iter conn_iter;
101 struct nouveau_connector *nv_connector = NULL;
102 struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
103
104 drm_connector_list_iter_begin(dev, &conn_iter);
105 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
106 if (connector->encoder && connector->encoder->crtc == crtc) {
107 nv_connector = nouveau_connector(connector);
108 break;
109 }
110 }
111 drm_connector_list_iter_end(&conn_iter);
112
113 return nv_connector;
114 }
115
116 struct drm_connector *
117 nouveau_connector_create(struct drm_device *, const struct dcb_output *);
118
119 extern int nouveau_tv_disable;
120 extern int nouveau_ignorelid;
121 extern int nouveau_duallink;
122 extern int nouveau_hdmimhz;
123
124 #include <drm/drm_crtc.h>
125 #define nouveau_conn_atom(p) \
126 container_of((p), struct nouveau_conn_atom, state)
127
128 struct nouveau_conn_atom {
129 struct drm_connector_state state;
130
131 struct {
132 /* The enum values specifically defined here match nv50/gf119
133 * hw values, and the code relies on this.
134 */
135 enum {
136 DITHERING_MODE_OFF = 0x00,
137 DITHERING_MODE_ON = 0x01,
138 DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
139 DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
140 DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
141 DITHERING_MODE_AUTO
142 } mode;
143 enum {
144 DITHERING_DEPTH_6BPC = 0x00,
145 DITHERING_DEPTH_8BPC = 0x02,
146 DITHERING_DEPTH_AUTO
147 } depth;
148 } dither;
149
150 struct {
151 int mode; /* DRM_MODE_SCALE_* */
152 struct {
153 enum {
154 UNDERSCAN_OFF,
155 UNDERSCAN_ON,
156 UNDERSCAN_AUTO,
157 } mode;
158 u32 hborder;
159 u32 vborder;
160 } underscan;
161 bool full;
162 } scaler;
163
164 struct {
165 int color_vibrance;
166 int vibrant_hue;
167 } procamp;
168
169 union {
170 struct {
171 bool dither:1;
172 bool scaler:1;
173 bool procamp:1;
174 };
175 u8 mask;
176 } set;
177 };
178
179 void nouveau_conn_attach_properties(struct drm_connector *);
180 void nouveau_conn_reset(struct drm_connector *);
181 struct drm_connector_state *
182 nouveau_conn_atomic_duplicate_state(struct drm_connector *);
183 void nouveau_conn_atomic_destroy_state(struct drm_connector *,
184 struct drm_connector_state *);
185 int nouveau_conn_atomic_set_property(struct drm_connector *,
186 struct drm_connector_state *,
187 struct drm_property *, u64);
188 int nouveau_conn_atomic_get_property(struct drm_connector *,
189 const struct drm_connector_state *,
190 struct drm_property *, u64 *);
191 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
192
193 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
194 extern int nouveau_backlight_init(struct drm_connector *);
195 extern void nouveau_backlight_fini(struct drm_connector *);
196 extern void nouveau_backlight_ctor(void);
197 extern void nouveau_backlight_dtor(void);
198 #else
199 static inline int
nouveau_backlight_init(struct drm_connector * connector)200 nouveau_backlight_init(struct drm_connector *connector)
201 {
202 return 0;
203 }
204
205 static inline void
nouveau_backlight_fini(struct drm_connector * connector)206 nouveau_backlight_fini(struct drm_connector *connector) {
207 }
208
209 static inline void
nouveau_backlight_ctor(void)210 nouveau_backlight_ctor(void) {
211 }
212
213 static inline void
nouveau_backlight_dtor(void)214 nouveau_backlight_dtor(void) {
215 }
216 #endif
217
218 #endif /* __NOUVEAU_CONNECTOR_H__ */
219
