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"),
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:
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
20 * OTHER DEALINGS IN THE SOFTWARE.
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;
51 struct dc_crtc_timing_adjust timing_adjust;
52 struct vrr_params vrr_params;
54 struct rect src; /* composition area */
55 struct rect dst; /* stream addressable area */
57 struct audio_info audio_info;
59 struct freesync_context freesync_ctx;
61 struct dc_info_packet hdr_static_metadata;
62 PHYSICAL_ADDRESS_LOC dmdata_address;
63 bool use_dynamic_meta;
65 struct dc_transfer_func *out_transfer_func;
66 struct colorspace_transform gamut_remap_matrix;
67 struct dc_csc_transform csc_color_matrix;
69 enum dc_color_space output_color_space;
70 enum dc_dither_option dither_option;
72 enum view_3d_format view_format;
74 bool ignore_msa_timing_param;
76 unsigned long long periodic_fn_vsync_delta;
78 /* TODO: custom INFO packets */
79 /* TODO: ABM info (DMCU) */
81 unsigned char psr_version;
85 unsigned int abm_level;
86 unsigned int bl_pwm_level;
88 /* from core_stream struct */
89 struct dc_context *ctx;
91 /* used by DCP and FMT */
92 struct bit_depth_reduction_params bit_depth_params;
93 struct clamping_and_pixel_encoding_params clamping;
96 enum signal_type signal;
99 struct dc_stream_status status;
101 struct dc_cursor_attributes cursor_attributes;
102 struct dc_cursor_position cursor_position;
103 uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
105 /* from stream struct */
106 struct kref refcount;
108 struct crtc_trigger_info triggered_crtc_reset;
110 /* Computed state bits */
111 bool mode_changed : 1;
115 struct dc_stream_update {
118 struct dc_transfer_func *out_transfer_func;
119 struct dc_info_packet *hdr_static_metadata;
120 unsigned int *abm_level;
122 unsigned long long *periodic_fn_vsync_delta;
125 bool dc_is_stream_unchanged(
126 struct dc_stream_state *old_stream, struct dc_stream_state *stream);
127 bool dc_is_stream_scaling_unchanged(
128 struct dc_stream_state *old_stream, struct dc_stream_state *stream);
131 * Set up surface attributes and associate to a stream
132 * The surfaces parameter is an absolute set of all surface active for the stream.
133 * If no surfaces are provided, the stream will be blanked; no memory read.
134 * Any flip related attribute changes must be done through this interface.
137 * Surfaces attributes are programmed and configured to be composed into stream.
138 * This does not trigger a flip. No surface address is programmed.
141 void dc_commit_updates_for_stream(struct dc *dc,
142 struct dc_surface_update *srf_updates,
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);
149 * Log the current stream state.
151 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
153 uint8_t dc_get_current_stream_count(struct dc *dc);
154 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
157 * Return the current frame counter.
159 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
161 /* TODO: Return parsed values rather than direct register read
162 * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
163 * being refactored properly to be dce-specific
165 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
166 uint32_t *v_blank_start,
167 uint32_t *v_blank_end,
168 uint32_t *h_position,
169 uint32_t *v_position);
171 enum dc_status dc_add_stream_to_ctx(
173 struct dc_state *new_ctx,
174 struct dc_stream_state *stream);
176 enum dc_status dc_remove_stream_from_ctx(
178 struct dc_state *new_ctx,
179 struct dc_stream_state *stream);
182 bool dc_add_plane_to_context(
184 struct dc_stream_state *stream,
185 struct dc_plane_state *plane_state,
186 struct dc_state *context);
188 bool dc_remove_plane_from_context(
190 struct dc_stream_state *stream,
191 struct dc_plane_state *plane_state,
192 struct dc_state *context);
194 bool dc_rem_all_planes_for_stream(
196 struct dc_stream_state *stream,
197 struct dc_state *context);
199 bool dc_add_all_planes_for_stream(
201 struct dc_stream_state *stream,
202 struct dc_plane_state * const *plane_states,
204 struct dc_state *context);
206 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
209 * Set up streams and links associated to drive sinks
210 * The streams parameter is an absolute set of all active streams.
213 * Phy, Encoder, Timing Generator are programmed and enabled.
214 * New streams are enabled with blank stream; no memory read.
217 * Enable stereo when commit_streams is not required,
218 * for example, frame alternate.
220 bool dc_enable_stereo(
222 struct dc_state *context,
223 struct dc_stream_state *streams[],
224 uint8_t stream_count);
227 enum surface_update_type dc_check_update_surfaces_for_stream(
229 struct dc_surface_update *updates,
231 struct dc_stream_update *stream_update,
232 const struct dc_stream_status *stream_status);
235 * Create a new default stream for the requested sink
237 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
239 void update_stream_signal(struct dc_stream_state *stream);
241 void dc_stream_retain(struct dc_stream_state *dc_stream);
242 void dc_stream_release(struct dc_stream_state *dc_stream);
244 struct dc_stream_status *dc_stream_get_status(
245 struct dc_stream_state *dc_stream);
247 /*******************************************************************************
248 * Cursor interfaces - To manages the cursor within a stream
249 ******************************************************************************/
250 /* TODO: Deprecated once we switch to dc_set_cursor_position */
251 bool dc_stream_set_cursor_attributes(
252 struct dc_stream_state *stream,
253 const struct dc_cursor_attributes *attributes);
255 bool dc_stream_set_cursor_position(
256 struct dc_stream_state *stream,
257 const struct dc_cursor_position *position);
260 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
261 struct dc_stream_state **stream,
266 bool dc_stream_get_crtc_position(struct dc *dc,
267 struct dc_stream_state **stream,
270 unsigned int *nom_v_pos);
272 bool dc_stream_configure_crc(struct dc *dc,
273 struct dc_stream_state *stream,
277 bool dc_stream_get_crc(struct dc *dc,
278 struct dc_stream_state *stream,
283 void dc_stream_set_static_screen_events(struct dc *dc,
284 struct dc_stream_state **stream,
286 const struct dc_static_screen_events *events);
288 void dc_stream_set_dither_option(struct dc_stream_state *stream,
289 enum dc_dither_option option);
292 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
293 struct dc_stream_state **stream,
298 bool dc_stream_get_crtc_position(struct dc *dc,
299 struct dc_stream_state **stream,
302 unsigned int *nom_v_pos);
304 #endif /* DC_STREAM_H_ */