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_crtc.h>
33 #include <drm/drm_edid.h>
34 #include <drm/drm_encoder.h>
35 #include <drm/drm_dp_helper.h>
36 #include <drm/drm_util.h>
37
38 #include "nouveau_crtc.h"
39 #include "nouveau_encoder.h"
40
41 struct nvkm_i2c_port;
42 struct dcb_output;
43
44 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
45 struct nouveau_backlight;
46 #endif
47
48 #define nouveau_conn_atom(p) \
49 container_of((p), struct nouveau_conn_atom, state)
50
51 struct nouveau_conn_atom {
52 struct drm_connector_state state;
53
54 struct {
55 /* The enum values specifically defined here match nv50/gf119
56 * hw values, and the code relies on this.
57 */
58 enum {
59 DITHERING_MODE_OFF = 0x00,
60 DITHERING_MODE_ON = 0x01,
61 DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
62 DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
63 DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
64 DITHERING_MODE_AUTO
65 } mode;
66 enum {
67 DITHERING_DEPTH_6BPC = 0x00,
68 DITHERING_DEPTH_8BPC = 0x02,
69 DITHERING_DEPTH_AUTO
70 } depth;
71 } dither;
72
73 struct {
74 int mode; /* DRM_MODE_SCALE_* */
75 struct {
76 enum {
77 UNDERSCAN_OFF,
78 UNDERSCAN_ON,
79 UNDERSCAN_AUTO,
80 } mode;
81 u32 hborder;
82 u32 vborder;
83 } underscan;
84 bool full;
85 } scaler;
86
87 struct {
88 int color_vibrance;
89 int vibrant_hue;
90 } procamp;
91
92 union {
93 struct {
94 bool dither:1;
95 bool scaler:1;
96 bool procamp:1;
97 };
98 u8 mask;
99 } set;
100 };
101
102 struct nouveau_connector {
103 struct drm_connector base;
104 enum dcb_connector_type type;
105 u8 index;
106 u8 *dcb;
107
108 struct nvif_notify hpd;
109
110 struct drm_dp_aux aux;
111
112 int dithering_mode;
113 int scaling_mode;
114
115 struct nouveau_encoder *detected_encoder;
116 struct edid *edid;
117 struct drm_display_mode *native_mode;
118 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
119 struct nouveau_backlight *backlight;
120 #endif
121 /*
122 * Our connector property code expects a nouveau_conn_atom struct
123 * even on pre-nv50 where we do not support atomic. This embedded
124 * version gets used in the non atomic modeset case.
125 */
126 struct nouveau_conn_atom properties_state;
127 };
128
nouveau_connector(struct drm_connector * con)129 static inline struct nouveau_connector *nouveau_connector(
130 struct drm_connector *con)
131 {
132 return container_of(con, struct nouveau_connector, base);
133 }
134
135 static inline bool
nouveau_connector_is_mst(struct drm_connector * connector)136 nouveau_connector_is_mst(struct drm_connector *connector)
137 {
138 const struct nouveau_encoder *nv_encoder;
139 const struct drm_encoder *encoder;
140
141 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
142 return false;
143
144 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
145 if (!nv_encoder)
146 return false;
147
148 encoder = &nv_encoder->base.base;
149 return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
150 }
151
152 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \
153 drm_for_each_connector_iter(connector, iter) \
154 for_each_if(!nouveau_connector_is_mst(connector))
155
156 static inline struct nouveau_connector *
nouveau_crtc_connector_get(struct nouveau_crtc * nv_crtc)157 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
158 {
159 struct drm_device *dev = nv_crtc->base.dev;
160 struct drm_connector *connector;
161 struct drm_connector_list_iter conn_iter;
162 struct nouveau_connector *nv_connector = NULL;
163 struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
164
165 drm_connector_list_iter_begin(dev, &conn_iter);
166 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
167 if (connector->encoder && connector->encoder->crtc == crtc) {
168 nv_connector = nouveau_connector(connector);
169 break;
170 }
171 }
172 drm_connector_list_iter_end(&conn_iter);
173
174 return nv_connector;
175 }
176
177 struct drm_connector *
178 nouveau_connector_create(struct drm_device *, const struct dcb_output *);
179
180 extern int nouveau_tv_disable;
181 extern int nouveau_ignorelid;
182 extern int nouveau_duallink;
183 extern int nouveau_hdmimhz;
184
185 void nouveau_conn_attach_properties(struct drm_connector *);
186 void nouveau_conn_reset(struct drm_connector *);
187 struct drm_connector_state *
188 nouveau_conn_atomic_duplicate_state(struct drm_connector *);
189 void nouveau_conn_atomic_destroy_state(struct drm_connector *,
190 struct drm_connector_state *);
191 int nouveau_conn_atomic_set_property(struct drm_connector *,
192 struct drm_connector_state *,
193 struct drm_property *, u64);
194 int nouveau_conn_atomic_get_property(struct drm_connector *,
195 const struct drm_connector_state *,
196 struct drm_property *, u64 *);
197 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
198
199 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
200 extern int nouveau_backlight_init(struct drm_connector *);
201 extern void nouveau_backlight_fini(struct drm_connector *);
202 extern void nouveau_backlight_ctor(void);
203 extern void nouveau_backlight_dtor(void);
204 #else
205 static inline int
nouveau_backlight_init(struct drm_connector * connector)206 nouveau_backlight_init(struct drm_connector *connector)
207 {
208 return 0;
209 }
210
211 static inline void
nouveau_backlight_fini(struct drm_connector * connector)212 nouveau_backlight_fini(struct drm_connector *connector) {
213 }
214
215 static inline void
nouveau_backlight_ctor(void)216 nouveau_backlight_ctor(void) {
217 }
218
219 static inline void
nouveau_backlight_dtor(void)220 nouveau_backlight_dtor(void) {
221 }
222 #endif
223
224 #endif /* __NOUVEAU_CONNECTOR_H__ */
225