drivers/gpu/drm/amd/display/dc/dc_stream.h

   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
  52         struct rect src; /* composition area */
  53         struct rect dst; /* stream addressable area */
  54
  55         struct audio_info audio_info;
  56
  57         struct freesync_context freesync_ctx;
  58
  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;
  63
  64         enum dc_color_space output_color_space;
  65         enum dc_dither_option dither_option;
  66
  67         enum view_3d_format view_format;
  68
  69         bool ignore_msa_timing_param;
  70         /* TODO: custom INFO packets */
  71         /* TODO: ABM info (DMCU) */
  72         /* TODO: PSR info */
  73         /* TODO: CEA VIC */
  74
  75         /* from core_stream struct */
  76         struct dc_context *ctx;
  77
  78         /* used by DCP and FMT */
  79         struct bit_depth_reduction_params bit_depth_params;
  80         struct clamping_and_pixel_encoding_params clamping;
  81
  82         int phy_pix_clk;
  83         enum signal_type signal;
  84         bool dpms_off;
  85
  86         struct dc_stream_status status;
  87
  88         struct dc_cursor_attributes cursor_attributes;
  89         struct dc_cursor_position cursor_position;
  90
  91         /* from stream struct */
  92         struct kref refcount;
  93
  94         struct crtc_trigger_info triggered_crtc_reset;
  95
  96         /* Computed state bits */
  97         bool mode_changed : 1;
  98
  99 };
 100
 101 struct dc_stream_update {
 102         struct rect src;
 103         struct rect dst;
 104         struct dc_transfer_func *out_transfer_func;
 105         struct dc_hdr_static_metadata *hdr_static_metadata;
 106 };
 107
 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);
 112
 113 /*
 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.
 118  *
 119  * After this call:
 120  *   Surfaces attributes are programmed and configured to be composed into stream.
 121  *   This does not trigger a flip.  No surface address is programmed.
 122  */
 123
 124 bool dc_commit_planes_to_stream(
 125                 struct dc *dc,
 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);
 130
 131 void dc_commit_updates_for_stream(struct dc *dc,
 132                 struct dc_surface_update *srf_updates,
 133                 int surface_count,
 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);
 138 /*
 139  * Log the current stream state.
 140  */
 141 void dc_stream_log(
 142         const struct dc_stream_state *stream,
 143         struct dal_logger *dc_logger,
 144         enum dc_log_type log_type);
 145
 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);
 148
 149 /*
 150  * Return the current frame counter.
 151  */
 152 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
 153
 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
 157  */
 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);
 163
 164 enum dc_status dc_add_stream_to_ctx(
 165                         struct dc *dc,
 166                 struct dc_state *new_ctx,
 167                 struct dc_stream_state *stream);
 168
 169 enum dc_status dc_remove_stream_from_ctx(
 170                 struct dc *dc,
 171                         struct dc_state *new_ctx,
 172                         struct dc_stream_state *stream);
 173
 174
 175 bool dc_add_plane_to_context(
 176                 const struct dc *dc,
 177                 struct dc_stream_state *stream,
 178                 struct dc_plane_state *plane_state,
 179                 struct dc_state *context);
 180
 181 bool dc_remove_plane_from_context(
 182                 const struct dc *dc,
 183                 struct dc_stream_state *stream,
 184                 struct dc_plane_state *plane_state,
 185                 struct dc_state *context);
 186
 187 bool dc_rem_all_planes_for_stream(
 188                 const struct dc *dc,
 189                 struct dc_stream_state *stream,
 190                 struct dc_state *context);
 191
 192 bool dc_add_all_planes_for_stream(
 193                 const struct dc *dc,
 194                 struct dc_stream_state *stream,
 195                 struct dc_plane_state * const *plane_states,
 196                 int plane_count,
 197                 struct dc_state *context);
 198
 199 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
 200
 201 /*
 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.
 204  *
 205  * After this call:
 206  *   No hardware is programmed for call.  Only validation is done.
 207  */
 208
 209 /*
 210  * Set up streams and links associated to drive sinks
 211  * The streams parameter is an absolute set of all active streams.
 212  *
 213  * After this call:
 214  *   Phy, Encoder, Timing Generator are programmed and enabled.
 215  *   New streams are enabled with blank stream; no memory read.
 216  */
 217 /*
 218  * Enable stereo when commit_streams is not required,
 219  * for example, frame alternate.
 220  */
 221 bool dc_enable_stereo(
 222         struct dc *dc,
 223         struct dc_state *context,
 224         struct dc_stream_state *streams[],
 225         uint8_t stream_count);
 226
 227
 228 enum surface_update_type dc_check_update_surfaces_for_stream(
 229                 struct dc *dc,
 230                 struct dc_surface_update *updates,
 231                 int surface_count,
 232                 struct dc_stream_update *stream_update,
 233                 const struct dc_stream_status *stream_status);
 234
 235 /**
 236  * Create a new default stream for the requested sink
 237  */
 238 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
 239
 240 void dc_stream_retain(struct dc_stream_state *dc_stream);
 241 void dc_stream_release(struct dc_stream_state *dc_stream);
 242
 243 struct dc_stream_status *dc_stream_get_status(
 244         struct dc_stream_state *dc_stream);
 245
 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);
 253
 254 bool dc_stream_set_cursor_position(
 255         struct dc_stream_state *stream,
 256         const struct dc_cursor_position *position);
 257
 258 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
 259                                 struct dc_stream_state **stream,
 260                                 int num_streams,
 261                                 int vmin,
 262                                 int vmax);
 263
 264 bool dc_stream_get_crtc_position(struct dc *dc,
 265                                  struct dc_stream_state **stream,
 266                                  int num_streams,
 267                                  unsigned int *v_pos,
 268                                  unsigned int *nom_v_pos);
 269
 270 void dc_stream_set_static_screen_events(struct dc *dc,
 271                                         struct dc_stream_state **stream,
 272                                         int num_streams,
 273                                         const struct dc_static_screen_events *events);
 274
 275
 276 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
 277                                 struct dc_stream_state **stream,
 278                                 int num_streams,
 279                                 int vmin,
 280                                 int vmax);
 281
 282 bool dc_stream_get_crtc_position(struct dc *dc,
 283                                  struct dc_stream_state **stream,
 284                                  int num_streams,
 285                                  unsigned int *v_pos,
 286                                  unsigned int *nom_v_pos);
 287
 288 void dc_stream_set_static_screen_events(struct dc *dc,
 289                                         struct dc_stream_state **stream,
 290                                         int num_streams,
 291                                         const struct dc_static_screen_events *events);
 292
 293 #endif /* DC_STREAM_H_ */