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 <nvhw/class/cl507d.h>
33 #include <nvhw/class/cl907d.h>
34 #include <nvhw/drf.h>
35
36 #include <drm/drm_crtc.h>
37 #include <drm/drm_edid.h>
38 #include <drm/drm_encoder.h>
39 #include <drm/drm_dp_helper.h>
40 #include <drm/drm_util.h>
41
42 #include "nouveau_crtc.h"
43 #include "nouveau_encoder.h"
44
45 struct nvkm_i2c_port;
46 struct dcb_output;
47
48 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
49 struct nouveau_backlight;
50 #endif
51
52 #define nouveau_conn_atom(p) \
53 container_of((p), struct nouveau_conn_atom, state)
54
55 struct nouveau_conn_atom {
56 struct drm_connector_state state;
57
58 struct {
59 /* The enum values specifically defined here match nv50/gf119
60 * hw values, and the code relies on this.
61 */
62 enum {
63 DITHERING_MODE_OFF =
64 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, DISABLE),
65 DITHERING_MODE_ON =
66 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, ENABLE),
67 DITHERING_MODE_DYNAMIC2X2 = DITHERING_MODE_ON |
68 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, DYNAMIC_2X2),
69 DITHERING_MODE_STATIC2X2 = DITHERING_MODE_ON |
70 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, STATIC_2X2),
71 DITHERING_MODE_TEMPORAL = DITHERING_MODE_ON |
72 NVDEF(NV907D, HEAD_SET_DITHER_CONTROL, MODE, TEMPORAL),
73 DITHERING_MODE_AUTO
74 } mode;
75 enum {
76 DITHERING_DEPTH_6BPC =
77 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_6_BITS),
78 DITHERING_DEPTH_8BPC =
79 NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_8_BITS),
80 DITHERING_DEPTH_AUTO
81 } depth;
82 } dither;
83
84 struct {
85 int mode; /* DRM_MODE_SCALE_* */
86 struct {
87 enum {
88 UNDERSCAN_OFF,
89 UNDERSCAN_ON,
90 UNDERSCAN_AUTO,
91 } mode;
92 u32 hborder;
93 u32 vborder;
94 } underscan;
95 bool full;
96 } scaler;
97
98 struct {
99 int color_vibrance;
100 int vibrant_hue;
101 } procamp;
102
103 union {
104 struct {
105 bool dither:1;
106 bool scaler:1;
107 bool procamp:1;
108 };
109 u8 mask;
110 } set;
111 };
112
113 struct nouveau_connector {
114 struct drm_connector base;
115 enum dcb_connector_type type;
116 u8 index;
117 u8 *dcb;
118
119 struct nvif_notify hpd;
120
121 struct drm_dp_aux aux;
122
123 int dithering_mode;
124 int scaling_mode;
125
126 struct nouveau_encoder *detected_encoder;
127 struct edid *edid;
128 struct drm_display_mode *native_mode;
129 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
130 struct nouveau_backlight *backlight;
131 #endif
132 /*
133 * Our connector property code expects a nouveau_conn_atom struct
134 * even on pre-nv50 where we do not support atomic. This embedded
135 * version gets used in the non atomic modeset case.
136 */
137 struct nouveau_conn_atom properties_state;
138 };
139
nouveau_connector(struct drm_connector * con)140 static inline struct nouveau_connector *nouveau_connector(
141 struct drm_connector *con)
142 {
143 return container_of(con, struct nouveau_connector, base);
144 }
145
146 static inline bool
nouveau_connector_is_mst(struct drm_connector * connector)147 nouveau_connector_is_mst(struct drm_connector *connector)
148 {
149 const struct nouveau_encoder *nv_encoder;
150 const struct drm_encoder *encoder;
151
152 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
153 return false;
154
155 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
156 if (!nv_encoder)
157 return false;
158
159 encoder = &nv_encoder->base.base;
160 return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
161 }
162
163 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \
164 drm_for_each_connector_iter(connector, iter) \
165 for_each_if(!nouveau_connector_is_mst(connector))
166
167 static inline struct nouveau_connector *
nouveau_crtc_connector_get(struct nouveau_crtc * nv_crtc)168 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
169 {
170 struct drm_device *dev = nv_crtc->base.dev;
171 struct drm_connector *connector;
172 struct drm_connector_list_iter conn_iter;
173 struct nouveau_connector *nv_connector = NULL;
174 struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
175
176 drm_connector_list_iter_begin(dev, &conn_iter);
177 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
178 if (connector->encoder && connector->encoder->crtc == crtc) {
179 nv_connector = nouveau_connector(connector);
180 break;
181 }
182 }
183 drm_connector_list_iter_end(&conn_iter);
184
185 return nv_connector;
186 }
187
188 struct drm_connector *
189 nouveau_connector_create(struct drm_device *, const struct dcb_output *);
190 void nouveau_connector_hpd(struct drm_connector *connector);
191
192 extern int nouveau_tv_disable;
193 extern int nouveau_ignorelid;
194 extern int nouveau_duallink;
195 extern int nouveau_hdmimhz;
196
197 void nouveau_conn_attach_properties(struct drm_connector *);
198 void nouveau_conn_reset(struct drm_connector *);
199 struct drm_connector_state *
200 nouveau_conn_atomic_duplicate_state(struct drm_connector *);
201 void nouveau_conn_atomic_destroy_state(struct drm_connector *,
202 struct drm_connector_state *);
203 int nouveau_conn_atomic_set_property(struct drm_connector *,
204 struct drm_connector_state *,
205 struct drm_property *, u64);
206 int nouveau_conn_atomic_get_property(struct drm_connector *,
207 const struct drm_connector_state *,
208 struct drm_property *, u64 *);
209 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
210 enum drm_mode_status
211 nouveau_conn_mode_clock_valid(const struct drm_display_mode *,
212 const unsigned min_clock,
213 const unsigned max_clock,
214 unsigned *clock);
215
216 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
217 extern int nouveau_backlight_init(struct drm_connector *);
218 extern void nouveau_backlight_fini(struct drm_connector *);
219 extern void nouveau_backlight_ctor(void);
220 extern void nouveau_backlight_dtor(void);
221 #else
222 static inline int
nouveau_backlight_init(struct drm_connector * connector)223 nouveau_backlight_init(struct drm_connector *connector)
224 {
225 return 0;
226 }
227
228 static inline void
nouveau_backlight_fini(struct drm_connector * connector)229 nouveau_backlight_fini(struct drm_connector *connector) {
230 }
231
232 static inline void
nouveau_backlight_ctor(void)233 nouveau_backlight_ctor(void) {
234 }
235
236 static inline void
nouveau_backlight_dtor(void)237 nouveau_backlight_dtor(void) {
238 }
239 #endif
240
241 #endif /* __NOUVEAU_CONNECTOR_H__ */
242