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1 /*
2  * Copyright 2012-14 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25
26 #ifndef DC_STREAM_H_
27 #define DC_STREAM_H_
28
29 #include "dc_types.h"
30 #include "grph_object_defs.h"
31
32 /*******************************************************************************
33  * Stream Interfaces
34  ******************************************************************************/
35
36 struct dc_stream_status {
37         int primary_otg_inst;
38         int stream_enc_inst;
39         int plane_count;
40         struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
41
42         /*
43          * link this stream passes through
44          */
45         struct dc_link *link;
46 };
47
48 struct dc_stream_state {
49         struct dc_sink *sink;
50         struct dc_crtc_timing timing;
51         struct dc_crtc_timing_adjust timing_adjust;
52         struct vrr_params vrr_params;
53
54         struct rect src; /* composition area */
55         struct rect dst; /* stream addressable area */
56
57         struct audio_info audio_info;
58
59         struct freesync_context freesync_ctx;
60
61         struct dc_hdr_static_metadata hdr_static_metadata;
62         struct dc_transfer_func *out_transfer_func;
63         struct colorspace_transform gamut_remap_matrix;
64         struct csc_transform csc_color_matrix;
65
66         enum dc_color_space output_color_space;
67         enum dc_dither_option dither_option;
68
69         enum view_3d_format view_format;
70         enum color_transfer_func output_tf;
71
72         bool ignore_msa_timing_param;
73         /* TODO: custom INFO packets */
74         /* TODO: ABM info (DMCU) */
75         /* PSR info */
76         unsigned char psr_version;
77         /* TODO: CEA VIC */
78
79         /* DMCU info */
80         unsigned int abm_level;
81         unsigned int bl_pwm_level;
82
83         /* from core_stream struct */
84         struct dc_context *ctx;
85
86         /* used by DCP and FMT */
87         struct bit_depth_reduction_params bit_depth_params;
88         struct clamping_and_pixel_encoding_params clamping;
89
90         int phy_pix_clk;
91         enum signal_type signal;
92         bool dpms_off;
93
94         struct dc_stream_status status;
95
96         struct dc_cursor_attributes cursor_attributes;
97         struct dc_cursor_position cursor_position;
98
99         /* from stream struct */
100         struct kref refcount;
101
102         struct crtc_trigger_info triggered_crtc_reset;
103
104         /* Computed state bits */
105         bool mode_changed : 1;
106
107 };
108
109 struct dc_stream_update {
110         struct rect src;
111         struct rect dst;
112         struct dc_transfer_func *out_transfer_func;
113         struct dc_hdr_static_metadata *hdr_static_metadata;
114         enum color_transfer_func color_output_tf;
115         unsigned int *abm_level;
116 };
117
118 bool dc_is_stream_unchanged(
119         struct dc_stream_state *old_stream, struct dc_stream_state *stream);
120 bool dc_is_stream_scaling_unchanged(
121         struct dc_stream_state *old_stream, struct dc_stream_state *stream);
122
123 /*
124  * Set up surface attributes and associate to a stream
125  * The surfaces parameter is an absolute set of all surface active for the stream.
126  * If no surfaces are provided, the stream will be blanked; no memory read.
127  * Any flip related attribute changes must be done through this interface.
128  *
129  * After this call:
130  *   Surfaces attributes are programmed and configured to be composed into stream.
131  *   This does not trigger a flip.  No surface address is programmed.
132  */
133
134 bool dc_commit_planes_to_stream(
135                 struct dc *dc,
136                 struct dc_plane_state **plane_states,
137                 uint8_t new_plane_count,
138                 struct dc_stream_state *dc_stream,
139                 struct dc_state *state);
140
141 void dc_commit_updates_for_stream(struct dc *dc,
142                 struct dc_surface_update *srf_updates,
143                 int surface_count,
144                 struct dc_stream_state *stream,
145                 struct dc_stream_update *stream_update,
146                 struct dc_plane_state **plane_states,
147                 struct dc_state *state);
148 /*
149  * Log the current stream state.
150  */
151 void dc_stream_log(
152         const struct dc_stream_state *stream,
153         struct dal_logger *dc_logger,
154         enum dc_log_type log_type);
155
156 uint8_t dc_get_current_stream_count(struct dc *dc);
157 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
158
159 /*
160  * Return the current frame counter.
161  */
162 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
163
164 /* TODO: Return parsed values rather than direct register read
165  * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
166  * being refactored properly to be dce-specific
167  */
168 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
169                                   uint32_t *v_blank_start,
170                                   uint32_t *v_blank_end,
171                                   uint32_t *h_position,
172                                   uint32_t *v_position);
173
174 enum dc_status dc_add_stream_to_ctx(
175                         struct dc *dc,
176                 struct dc_state *new_ctx,
177                 struct dc_stream_state *stream);
178
179 enum dc_status dc_remove_stream_from_ctx(
180                 struct dc *dc,
181                         struct dc_state *new_ctx,
182                         struct dc_stream_state *stream);
183
184
185 bool dc_add_plane_to_context(
186                 const struct dc *dc,
187                 struct dc_stream_state *stream,
188                 struct dc_plane_state *plane_state,
189                 struct dc_state *context);
190
191 bool dc_remove_plane_from_context(
192                 const struct dc *dc,
193                 struct dc_stream_state *stream,
194                 struct dc_plane_state *plane_state,
195                 struct dc_state *context);
196
197 bool dc_rem_all_planes_for_stream(
198                 const struct dc *dc,
199                 struct dc_stream_state *stream,
200                 struct dc_state *context);
201
202 bool dc_add_all_planes_for_stream(
203                 const struct dc *dc,
204                 struct dc_stream_state *stream,
205                 struct dc_plane_state * const *plane_states,
206                 int plane_count,
207                 struct dc_state *context);
208
209 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
210
211 /*
212  * This function takes a stream and checks if it is guaranteed to be supported.
213  * Guaranteed means that MAX_COFUNC similar streams are supported.
214  *
215  * After this call:
216  *   No hardware is programmed for call.  Only validation is done.
217  */
218
219 /*
220  * Set up streams and links associated to drive sinks
221  * The streams parameter is an absolute set of all active streams.
222  *
223  * After this call:
224  *   Phy, Encoder, Timing Generator are programmed and enabled.
225  *   New streams are enabled with blank stream; no memory read.
226  */
227 /*
228  * Enable stereo when commit_streams is not required,
229  * for example, frame alternate.
230  */
231 bool dc_enable_stereo(
232         struct dc *dc,
233         struct dc_state *context,
234         struct dc_stream_state *streams[],
235         uint8_t stream_count);
236
237
238 enum surface_update_type dc_check_update_surfaces_for_stream(
239                 struct dc *dc,
240                 struct dc_surface_update *updates,
241                 int surface_count,
242                 struct dc_stream_update *stream_update,
243                 const struct dc_stream_status *stream_status);
244
245 /**
246  * Create a new default stream for the requested sink
247  */
248 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
249
250 void update_stream_signal(struct dc_stream_state *stream);
251
252 void dc_stream_retain(struct dc_stream_state *dc_stream);
253 void dc_stream_release(struct dc_stream_state *dc_stream);
254
255 struct dc_stream_status *dc_stream_get_status(
256         struct dc_stream_state *dc_stream);
257
258 /*******************************************************************************
259  * Cursor interfaces - To manages the cursor within a stream
260  ******************************************************************************/
261 /* TODO: Deprecated once we switch to dc_set_cursor_position */
262 bool dc_stream_set_cursor_attributes(
263         struct dc_stream_state *stream,
264         const struct dc_cursor_attributes *attributes);
265
266 bool dc_stream_set_cursor_position(
267         struct dc_stream_state *stream,
268         const struct dc_cursor_position *position);
269
270 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
271                                 struct dc_stream_state **stream,
272                                 int num_streams,
273                                 int vmin,
274                                 int vmax);
275
276 bool dc_stream_get_crtc_position(struct dc *dc,
277                                  struct dc_stream_state **stream,
278                                  int num_streams,
279                                  unsigned int *v_pos,
280                                  unsigned int *nom_v_pos);
281
282 bool dc_stream_configure_crc(struct dc *dc,
283                              struct dc_stream_state *stream,
284                              bool enable,
285                              bool continuous);
286
287 bool dc_stream_get_crc(struct dc *dc,
288                        struct dc_stream_state *stream,
289                        uint32_t *r_cr,
290                        uint32_t *g_y,
291                        uint32_t *b_cb);
292
293 void dc_stream_set_static_screen_events(struct dc *dc,
294                                         struct dc_stream_state **stream,
295                                         int num_streams,
296                                         const struct dc_static_screen_events *events);
297
298 void dc_stream_set_dither_option(struct dc_stream_state *stream,
299                                  enum dc_dither_option option);
300
301
302 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
303                                 struct dc_stream_state **stream,
304                                 int num_streams,
305                                 int vmin,
306                                 int vmax);
307
308 bool dc_stream_get_crtc_position(struct dc *dc,
309                                  struct dc_stream_state **stream,
310                                  int num_streams,
311                                  unsigned int *v_pos,
312                                  unsigned int *nom_v_pos);
313
314 void dc_stream_set_static_screen_events(struct dc *dc,
315                                         struct dc_stream_state **stream,
316                                         int num_streams,
317                                         const struct dc_static_screen_events *events);
318
319 #endif /* DC_STREAM_H_ */