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 | #include <nvif/conn.h> |
30 | #include <nvif/event.h> |
31 | |
32 | #include <nvhw/class/cl507d.h> |
33 | #include <nvhw/class/cl907d.h> |
34 | #include <nvhw/drf.h> |
35 | |
36 | #include <drm/display/drm_dp_helper.h> |
37 | #include <drm/drm_crtc.h> |
38 | #include <drm/drm_edid.h> |
39 | #include <drm/drm_encoder.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 | struct backlight_device *dev; |
51 | |
52 | struct drm_edp_backlight_info edp_info; |
53 | bool uses_dpcd : 1; |
54 | |
55 | int id; |
56 | }; |
57 | #endif |
58 | |
59 | #define nouveau_conn_atom(p) \ |
60 | container_of((p), struct nouveau_conn_atom, state) |
61 | |
62 | struct nouveau_conn_atom { |
63 | struct drm_connector_state state; |
64 | |
65 | struct { |
66 | /* The enum values specifically defined here match nv50/gf119 |
67 | * hw values, and the code relies on this. |
68 | */ |
69 | enum { |
70 | DITHERING_MODE_OFF = |
71 | NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, DISABLE), |
72 | DITHERING_MODE_ON = |
73 | NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, ENABLE), |
74 | DITHERING_MODE_DYNAMIC2X2 = DITHERING_MODE_ON | |
75 | NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, DYNAMIC_2X2), |
76 | DITHERING_MODE_STATIC2X2 = DITHERING_MODE_ON | |
77 | NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, STATIC_2X2), |
78 | DITHERING_MODE_TEMPORAL = DITHERING_MODE_ON | |
79 | NVDEF(NV907D, HEAD_SET_DITHER_CONTROL, MODE, TEMPORAL), |
80 | DITHERING_MODE_AUTO |
81 | } mode; |
82 | enum { |
83 | DITHERING_DEPTH_6BPC = |
84 | NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_6_BITS), |
85 | DITHERING_DEPTH_8BPC = |
86 | NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_8_BITS), |
87 | DITHERING_DEPTH_AUTO |
88 | } depth; |
89 | } dither; |
90 | |
91 | struct { |
92 | int mode; /* DRM_MODE_SCALE_* */ |
93 | struct { |
94 | enum { |
95 | UNDERSCAN_OFF, |
96 | UNDERSCAN_ON, |
97 | UNDERSCAN_AUTO, |
98 | } mode; |
99 | u32 hborder; |
100 | u32 vborder; |
101 | } underscan; |
102 | bool full; |
103 | } scaler; |
104 | |
105 | struct { |
106 | int color_vibrance; |
107 | int vibrant_hue; |
108 | } procamp; |
109 | |
110 | union { |
111 | struct { |
112 | bool dither:1; |
113 | bool scaler:1; |
114 | bool procamp:1; |
115 | }; |
116 | u8 mask; |
117 | } set; |
118 | }; |
119 | |
120 | struct nouveau_connector { |
121 | struct drm_connector base; |
122 | enum dcb_connector_type type; |
123 | u8 index; |
124 | |
125 | struct nvif_conn conn; |
126 | u64 hpd_pending; |
127 | struct nvif_event hpd; |
128 | struct nvif_event irq; |
129 | struct work_struct irq_work; |
130 | |
131 | struct drm_dp_aux aux; |
132 | |
133 | /* The fixed DP encoder for this connector, if there is one */ |
134 | struct nouveau_encoder *dp_encoder; |
135 | |
136 | int dithering_mode; |
137 | int scaling_mode; |
138 | |
139 | struct nouveau_encoder *detected_encoder; |
140 | struct edid *edid; |
141 | struct drm_display_mode *native_mode; |
142 | #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT |
143 | struct nouveau_backlight *backlight; |
144 | #endif |
145 | /* |
146 | * Our connector property code expects a nouveau_conn_atom struct |
147 | * even on pre-nv50 where we do not support atomic. This embedded |
148 | * version gets used in the non atomic modeset case. |
149 | */ |
150 | struct nouveau_conn_atom properties_state; |
151 | }; |
152 | |
153 | static inline struct nouveau_connector *nouveau_connector( |
154 | struct drm_connector *con) |
155 | { |
156 | return container_of(con, struct nouveau_connector, base); |
157 | } |
158 | |
159 | static inline bool |
160 | nouveau_connector_is_mst(struct drm_connector *connector) |
161 | { |
162 | const struct nouveau_encoder *nv_encoder; |
163 | const struct drm_encoder *encoder; |
164 | |
165 | if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) |
166 | return false; |
167 | |
168 | nv_encoder = find_encoder(connector, type: DCB_OUTPUT_ANY); |
169 | if (!nv_encoder) |
170 | return false; |
171 | |
172 | encoder = &nv_encoder->base.base; |
173 | return encoder->encoder_type == DRM_MODE_ENCODER_DPMST; |
174 | } |
175 | |
176 | #define nouveau_for_each_non_mst_connector_iter(connector, iter) \ |
177 | drm_for_each_connector_iter(connector, iter) \ |
178 | for_each_if(!nouveau_connector_is_mst(connector)) |
179 | |
180 | static inline struct nouveau_connector * |
181 | nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc) |
182 | { |
183 | struct drm_device *dev = nv_crtc->base.dev; |
184 | struct drm_connector *connector; |
185 | struct drm_connector_list_iter conn_iter; |
186 | struct nouveau_connector *nv_connector = NULL; |
187 | struct drm_crtc *crtc = to_drm_crtc(crtc: nv_crtc); |
188 | |
189 | drm_connector_list_iter_begin(dev, iter: &conn_iter); |
190 | nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { |
191 | if (connector->encoder && connector->encoder->crtc == crtc) { |
192 | nv_connector = nouveau_connector(con: connector); |
193 | break; |
194 | } |
195 | } |
196 | drm_connector_list_iter_end(iter: &conn_iter); |
197 | |
198 | return nv_connector; |
199 | } |
200 | |
201 | struct drm_connector * |
202 | nouveau_connector_create(struct drm_device *, int id); |
203 | void nouveau_connector_hpd(struct nouveau_connector *, u64 bits); |
204 | |
205 | extern int nouveau_tv_disable; |
206 | extern int nouveau_ignorelid; |
207 | extern int nouveau_duallink; |
208 | extern int nouveau_hdmimhz; |
209 | |
210 | void nouveau_conn_attach_properties(struct drm_connector *); |
211 | void nouveau_conn_reset(struct drm_connector *); |
212 | struct drm_connector_state * |
213 | nouveau_conn_atomic_duplicate_state(struct drm_connector *); |
214 | void nouveau_conn_atomic_destroy_state(struct drm_connector *, |
215 | struct drm_connector_state *); |
216 | int nouveau_conn_atomic_set_property(struct drm_connector *, |
217 | struct drm_connector_state *, |
218 | struct drm_property *, u64); |
219 | int nouveau_conn_atomic_get_property(struct drm_connector *, |
220 | const struct drm_connector_state *, |
221 | struct drm_property *, u64 *); |
222 | struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *); |
223 | enum drm_mode_status |
224 | nouveau_conn_mode_clock_valid(const struct drm_display_mode *, |
225 | const unsigned min_clock, |
226 | const unsigned max_clock, |
227 | unsigned *clock); |
228 | |
229 | #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT |
230 | extern int nouveau_backlight_init(struct drm_connector *); |
231 | extern void nouveau_backlight_fini(struct drm_connector *); |
232 | extern void nouveau_backlight_ctor(void); |
233 | extern void nouveau_backlight_dtor(void); |
234 | #else |
235 | static inline int |
236 | nouveau_backlight_init(struct drm_connector *connector) |
237 | { |
238 | return 0; |
239 | } |
240 | |
241 | static inline void |
242 | nouveau_backlight_fini(struct drm_connector *connector) { |
243 | } |
244 | |
245 | static inline void |
246 | nouveau_backlight_ctor(void) { |
247 | } |
248 | |
249 | static inline void |
250 | nouveau_backlight_dtor(void) { |
251 | } |
252 | #endif |
253 | |
254 | #endif /* __NOUVEAU_CONNECTOR_H__ */ |
255 | |