2 * Copyright 2012-14 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
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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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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
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30 #include "grph_object_defs.h"
32 /*******************************************************************************
34 ******************************************************************************/
36 struct dc_stream_status {
40 struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
43 * link this stream passes through
48 struct dc_stream_state {
50 struct dc_crtc_timing timing;
52 struct rect src; /* composition area */
53 struct rect dst; /* stream addressable area */
55 struct audio_info audio_info;
57 struct freesync_context freesync_ctx;
59 struct dc_hdr_static_metadata hdr_static_metadata;
60 struct dc_transfer_func *out_transfer_func;
61 struct colorspace_transform gamut_remap_matrix;
62 struct csc_transform csc_color_matrix;
64 enum dc_color_space output_color_space;
65 enum dc_dither_option dither_option;
67 enum view_3d_format view_format;
69 bool ignore_msa_timing_param;
70 /* TODO: custom INFO packets */
71 /* TODO: ABM info (DMCU) */
75 /* from core_stream struct */
76 struct dc_context *ctx;
78 /* used by DCP and FMT */
79 struct bit_depth_reduction_params bit_depth_params;
80 struct clamping_and_pixel_encoding_params clamping;
83 enum signal_type signal;
86 struct dc_stream_status status;
88 struct dc_cursor_attributes cursor_attributes;
89 struct dc_cursor_position cursor_position;
91 /* from stream struct */
94 struct crtc_trigger_info triggered_crtc_reset;
96 /* Computed state bits */
97 bool mode_changed : 1;
101 struct dc_stream_update {
104 struct dc_transfer_func *out_transfer_func;
105 struct dc_hdr_static_metadata *hdr_static_metadata;
108 bool dc_is_stream_unchanged(
109 struct dc_stream_state *old_stream, struct dc_stream_state *stream);
110 bool dc_is_stream_scaling_unchanged(
111 struct dc_stream_state *old_stream, struct dc_stream_state *stream);
114 * Set up surface attributes and associate to a stream
115 * The surfaces parameter is an absolute set of all surface active for the stream.
116 * If no surfaces are provided, the stream will be blanked; no memory read.
117 * Any flip related attribute changes must be done through this interface.
120 * Surfaces attributes are programmed and configured to be composed into stream.
121 * This does not trigger a flip. No surface address is programmed.
124 bool dc_commit_planes_to_stream(
126 struct dc_plane_state **plane_states,
127 uint8_t new_plane_count,
128 struct dc_stream_state *dc_stream,
129 struct dc_state *state);
131 void dc_commit_updates_for_stream(struct dc *dc,
132 struct dc_surface_update *srf_updates,
134 struct dc_stream_state *stream,
135 struct dc_stream_update *stream_update,
136 struct dc_plane_state **plane_states,
137 struct dc_state *state);
139 * Log the current stream state.
142 const struct dc_stream_state *stream,
143 struct dal_logger *dc_logger,
144 enum dc_log_type log_type);
146 uint8_t dc_get_current_stream_count(struct dc *dc);
147 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
150 * Return the current frame counter.
152 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
154 /* TODO: Return parsed values rather than direct register read
155 * This has a dependency on the caller (amdgpu_get_crtc_scanoutpos)
156 * being refactored properly to be dce-specific
158 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
159 uint32_t *v_blank_start,
160 uint32_t *v_blank_end,
161 uint32_t *h_position,
162 uint32_t *v_position);
164 enum dc_status dc_add_stream_to_ctx(
166 struct dc_state *new_ctx,
167 struct dc_stream_state *stream);
169 enum dc_status dc_remove_stream_from_ctx(
171 struct dc_state *new_ctx,
172 struct dc_stream_state *stream);
175 bool dc_add_plane_to_context(
177 struct dc_stream_state *stream,
178 struct dc_plane_state *plane_state,
179 struct dc_state *context);
181 bool dc_remove_plane_from_context(
183 struct dc_stream_state *stream,
184 struct dc_plane_state *plane_state,
185 struct dc_state *context);
187 bool dc_rem_all_planes_for_stream(
189 struct dc_stream_state *stream,
190 struct dc_state *context);
192 bool dc_add_all_planes_for_stream(
194 struct dc_stream_state *stream,
195 struct dc_plane_state * const *plane_states,
197 struct dc_state *context);
199 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
202 * This function takes a stream and checks if it is guaranteed to be supported.
203 * Guaranteed means that MAX_COFUNC similar streams are supported.
206 * No hardware is programmed for call. Only validation is done.
210 * Set up streams and links associated to drive sinks
211 * The streams parameter is an absolute set of all active streams.
214 * Phy, Encoder, Timing Generator are programmed and enabled.
215 * New streams are enabled with blank stream; no memory read.
218 * Enable stereo when commit_streams is not required,
219 * for example, frame alternate.
221 bool dc_enable_stereo(
223 struct dc_state *context,
224 struct dc_stream_state *streams[],
225 uint8_t stream_count);
228 enum surface_update_type dc_check_update_surfaces_for_stream(
230 struct dc_surface_update *updates,
232 struct dc_stream_update *stream_update,
233 const struct dc_stream_status *stream_status);
236 * Create a new default stream for the requested sink
238 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
240 void dc_stream_retain(struct dc_stream_state *dc_stream);
241 void dc_stream_release(struct dc_stream_state *dc_stream);
243 struct dc_stream_status *dc_stream_get_status(
244 struct dc_stream_state *dc_stream);
246 /*******************************************************************************
247 * Cursor interfaces - To manages the cursor within a stream
248 ******************************************************************************/
249 /* TODO: Deprecated once we switch to dc_set_cursor_position */
250 bool dc_stream_set_cursor_attributes(
251 struct dc_stream_state *stream,
252 const struct dc_cursor_attributes *attributes);
254 bool dc_stream_set_cursor_position(
255 struct dc_stream_state *stream,
256 const struct dc_cursor_position *position);
258 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
259 struct dc_stream_state **stream,
264 bool dc_stream_get_crtc_position(struct dc *dc,
265 struct dc_stream_state **stream,
268 unsigned int *nom_v_pos);
270 void dc_stream_set_static_screen_events(struct dc *dc,
271 struct dc_stream_state **stream,
273 const struct dc_static_screen_events *events);
276 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
277 struct dc_stream_state **stream,
282 bool dc_stream_get_crtc_position(struct dc *dc,
283 struct dc_stream_state **stream,
286 unsigned int *nom_v_pos);
288 void dc_stream_set_static_screen_events(struct dc *dc,
289 struct dc_stream_state **stream,
291 const struct dc_static_screen_events *events);
293 #endif /* DC_STREAM_H_ */