Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[sfrench/cifs-2.6.git] / 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 // TODO: References to this needs to be removed..
49 struct freesync_context {
50         bool dummy;
51 };
52
53 struct dc_stream_state {
54         struct dc_sink *sink;
55         struct dc_crtc_timing timing;
56         struct dc_crtc_timing_adjust adjust;
57         struct dc_info_packet vrr_infopacket;
58         struct dc_info_packet vsc_infopacket;
59         struct dc_info_packet vsp_infopacket;
60
61         struct rect src; /* composition area */
62         struct rect dst; /* stream addressable area */
63
64         // TODO: References to this needs to be removed..
65         struct freesync_context freesync_ctx;
66
67         struct audio_info audio_info;
68
69         struct dc_info_packet hdr_static_metadata;
70         PHYSICAL_ADDRESS_LOC dmdata_address;
71         bool   use_dynamic_meta;
72
73         struct dc_transfer_func *out_transfer_func;
74         struct colorspace_transform gamut_remap_matrix;
75         struct dc_csc_transform csc_color_matrix;
76
77         enum dc_color_space output_color_space;
78         enum dc_dither_option dither_option;
79
80         enum view_3d_format view_format;
81
82         bool ignore_msa_timing_param;
83
84         unsigned long long periodic_fn_vsync_delta;
85
86         /* TODO: custom INFO packets */
87         /* TODO: ABM info (DMCU) */
88         /* PSR info */
89         unsigned char psr_version;
90         /* TODO: CEA VIC */
91
92         /* DMCU info */
93         unsigned int abm_level;
94
95         /* from core_stream struct */
96         struct dc_context *ctx;
97
98         /* used by DCP and FMT */
99         struct bit_depth_reduction_params bit_depth_params;
100         struct clamping_and_pixel_encoding_params clamping;
101
102         int phy_pix_clk;
103         enum signal_type signal;
104         bool dpms_off;
105         bool apply_edp_fast_boot_optimization;
106
107         struct dc_cursor_attributes cursor_attributes;
108         struct dc_cursor_position cursor_position;
109         uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
110
111         /* from stream struct */
112         struct kref refcount;
113
114         struct crtc_trigger_info triggered_crtc_reset;
115
116         /* Computed state bits */
117         bool mode_changed : 1;
118
119 };
120
121 struct dc_stream_update {
122         struct rect src;
123         struct rect dst;
124         struct dc_transfer_func *out_transfer_func;
125         struct dc_info_packet *hdr_static_metadata;
126         unsigned int *abm_level;
127
128         unsigned long long *periodic_fn_vsync_delta;
129         struct dc_crtc_timing_adjust *adjust;
130         struct dc_info_packet *vrr_infopacket;
131         struct dc_info_packet *vsc_infopacket;
132         struct dc_info_packet *vsp_infopacket;
133
134         bool *dpms_off;
135
136         struct colorspace_transform *gamut_remap;
137         enum dc_color_space *output_color_space;
138         enum dc_dither_option *dither_option;
139
140         struct dc_csc_transform *output_csc_transform;
141
142 };
143
144 bool dc_is_stream_unchanged(
145         struct dc_stream_state *old_stream, struct dc_stream_state *stream);
146 bool dc_is_stream_scaling_unchanged(
147         struct dc_stream_state *old_stream, struct dc_stream_state *stream);
148
149 /*
150  * Set up surface attributes and associate to a stream
151  * The surfaces parameter is an absolute set of all surface active for the stream.
152  * If no surfaces are provided, the stream will be blanked; no memory read.
153  * Any flip related attribute changes must be done through this interface.
154  *
155  * After this call:
156  *   Surfaces attributes are programmed and configured to be composed into stream.
157  *   This does not trigger a flip.  No surface address is programmed.
158  */
159
160 void dc_commit_updates_for_stream(struct dc *dc,
161                 struct dc_surface_update *srf_updates,
162                 int surface_count,
163                 struct dc_stream_state *stream,
164                 struct dc_stream_update *stream_update,
165                 struct dc_plane_state **plane_states,
166                 struct dc_state *state);
167 /*
168  * Log the current stream state.
169  */
170 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
171
172 uint8_t dc_get_current_stream_count(struct dc *dc);
173 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
174
175 /*
176  * Return the current frame counter.
177  */
178 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
179
180 /* TODO: Return parsed values rather than direct register read
181  * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
182  * being refactored properly to be dce-specific
183  */
184 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
185                                   uint32_t *v_blank_start,
186                                   uint32_t *v_blank_end,
187                                   uint32_t *h_position,
188                                   uint32_t *v_position);
189
190 enum dc_status dc_add_stream_to_ctx(
191                         struct dc *dc,
192                 struct dc_state *new_ctx,
193                 struct dc_stream_state *stream);
194
195 enum dc_status dc_remove_stream_from_ctx(
196                 struct dc *dc,
197                         struct dc_state *new_ctx,
198                         struct dc_stream_state *stream);
199
200
201 bool dc_add_plane_to_context(
202                 const struct dc *dc,
203                 struct dc_stream_state *stream,
204                 struct dc_plane_state *plane_state,
205                 struct dc_state *context);
206
207 bool dc_remove_plane_from_context(
208                 const struct dc *dc,
209                 struct dc_stream_state *stream,
210                 struct dc_plane_state *plane_state,
211                 struct dc_state *context);
212
213 bool dc_rem_all_planes_for_stream(
214                 const struct dc *dc,
215                 struct dc_stream_state *stream,
216                 struct dc_state *context);
217
218 bool dc_add_all_planes_for_stream(
219                 const struct dc *dc,
220                 struct dc_stream_state *stream,
221                 struct dc_plane_state * const *plane_states,
222                 int plane_count,
223                 struct dc_state *context);
224
225 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
226
227 /*
228  * Set up streams and links associated to drive sinks
229  * The streams parameter is an absolute set of all active streams.
230  *
231  * After this call:
232  *   Phy, Encoder, Timing Generator are programmed and enabled.
233  *   New streams are enabled with blank stream; no memory read.
234  */
235 /*
236  * Enable stereo when commit_streams is not required,
237  * for example, frame alternate.
238  */
239 bool dc_enable_stereo(
240         struct dc *dc,
241         struct dc_state *context,
242         struct dc_stream_state *streams[],
243         uint8_t stream_count);
244
245
246 enum surface_update_type dc_check_update_surfaces_for_stream(
247                 struct dc *dc,
248                 struct dc_surface_update *updates,
249                 int surface_count,
250                 struct dc_stream_update *stream_update,
251                 const struct dc_stream_status *stream_status);
252
253 /**
254  * Create a new default stream for the requested sink
255  */
256 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
257
258 void update_stream_signal(struct dc_stream_state *stream);
259
260 void dc_stream_retain(struct dc_stream_state *dc_stream);
261 void dc_stream_release(struct dc_stream_state *dc_stream);
262
263 struct dc_stream_status *dc_stream_get_status(
264         struct dc_stream_state *dc_stream);
265
266 /*******************************************************************************
267  * Cursor interfaces - To manages the cursor within a stream
268  ******************************************************************************/
269 /* TODO: Deprecated once we switch to dc_set_cursor_position */
270 bool dc_stream_set_cursor_attributes(
271         struct dc_stream_state *stream,
272         const struct dc_cursor_attributes *attributes);
273
274 bool dc_stream_set_cursor_position(
275         struct dc_stream_state *stream,
276         const struct dc_cursor_position *position);
277
278
279 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
280                                 struct dc_stream_state *stream,
281                                 struct dc_crtc_timing_adjust *adjust);
282
283 bool dc_stream_get_crtc_position(struct dc *dc,
284                                  struct dc_stream_state **stream,
285                                  int num_streams,
286                                  unsigned int *v_pos,
287                                  unsigned int *nom_v_pos);
288
289 bool dc_stream_configure_crc(struct dc *dc,
290                              struct dc_stream_state *stream,
291                              bool enable,
292                              bool continuous);
293
294 bool dc_stream_get_crc(struct dc *dc,
295                        struct dc_stream_state *stream,
296                        uint32_t *r_cr,
297                        uint32_t *g_y,
298                        uint32_t *b_cb);
299
300 void dc_stream_set_static_screen_events(struct dc *dc,
301                                         struct dc_stream_state **stream,
302                                         int num_streams,
303                                         const struct dc_static_screen_events *events);
304
305 void dc_stream_set_dither_option(struct dc_stream_state *stream,
306                                  enum dc_dither_option option);
307
308 bool dc_stream_set_gamut_remap(struct dc *dc,
309                                const struct dc_stream_state *stream);
310
311 bool dc_stream_program_csc_matrix(struct dc *dc,
312                                   struct dc_stream_state *stream);
313
314 bool dc_stream_get_crtc_position(struct dc *dc,
315                                  struct dc_stream_state **stream,
316                                  int num_streams,
317                                  unsigned int *v_pos,
318                                  unsigned int *nom_v_pos);
319
320 #endif /* DC_STREAM_H_ */