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1 /*
2  * Copyright 2012-15 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 #include "dm_services.h"
27 #include "basics/conversion.h"
28
29 #include "dce_opp.h"
30
31 #include "reg_helper.h"
32
33 #define REG(reg)\
34         (opp110->regs->reg)
35
36 #undef FN
37 #define FN(reg_name, field_name) \
38         opp110->opp_shift->field_name, opp110->opp_mask->field_name
39
40 #define CTX \
41         opp110->base.ctx
42
43 enum {
44         MAX_PWL_ENTRY = 128,
45         MAX_REGIONS_NUMBER = 16
46 };
47
48 enum {
49         MAX_LUT_ENTRY = 256,
50         MAX_NUMBER_OF_ENTRIES = 256
51 };
52
53
54 enum {
55         OUTPUT_CSC_MATRIX_SIZE = 12
56 };
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79 /*
80  *****************************************************************************
81  *  Function: regamma_config_regions_and_segments
82  *
83  *     build regamma curve by using predefined hw points
84  *     uses interface parameters ,like EDID coeff.
85  *
86  * @param   : parameters   interface parameters
87  *  @return void
88  *
89  *  @note
90  *
91  *  @see
92  *
93  *****************************************************************************
94  */
95
96
97
98 /*
99  *      set_truncation
100  *      1) set truncation depth: 0 for 18 bpp or 1 for 24 bpp
101  *      2) enable truncation
102  *      3) HW remove 12bit FMT support for DCE11 power saving reason.
103  */
104 static void set_truncation(
105                 struct dce110_opp *opp110,
106                 const struct bit_depth_reduction_params *params)
107 {
108         /*Disable truncation*/
109         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
110                         FMT_TRUNCATE_EN, 0,
111                         FMT_TRUNCATE_DEPTH, 0,
112                         FMT_TRUNCATE_MODE, 0);
113
114
115         if (params->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
116                 /*  8bpc trunc on YCbCr422*/
117                 if (params->flags.TRUNCATE_DEPTH == 1)
118                         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
119                                         FMT_TRUNCATE_EN, 1,
120                                         FMT_TRUNCATE_DEPTH, 1,
121                                         FMT_TRUNCATE_MODE, 0);
122                 else if (params->flags.TRUNCATE_DEPTH == 2)
123                         /*  10bpc trunc on YCbCr422*/
124                         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
125                                         FMT_TRUNCATE_EN, 1,
126                                         FMT_TRUNCATE_DEPTH, 2,
127                                         FMT_TRUNCATE_MODE, 0);
128                 return;
129         }
130         /* on other format-to do */
131         if (params->flags.TRUNCATE_ENABLED == 0)
132                 return;
133         /*Set truncation depth and Enable truncation*/
134         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
135                                 FMT_TRUNCATE_EN, 1,
136                                 FMT_TRUNCATE_DEPTH,
137                                 params->flags.TRUNCATE_DEPTH,
138                                 FMT_TRUNCATE_MODE,
139                                 params->flags.TRUNCATE_MODE);
140 }
141
142 #if defined(CONFIG_DRM_AMD_DC_SI)
143 /*
144  *      dce60_set_truncation
145  *      1) set truncation depth: 0 for 18 bpp or 1 for 24 bpp
146  *      2) enable truncation
147  *      3) HW remove 12bit FMT support for DCE11 power saving reason.
148  */
149 static void dce60_set_truncation(
150                 struct dce110_opp *opp110,
151                 const struct bit_depth_reduction_params *params)
152 {
153         /* DCE6 has no FMT_TRUNCATE_MODE bit in FMT_BIT_DEPTH_CONTROL reg */
154
155         /*Disable truncation*/
156         REG_UPDATE_2(FMT_BIT_DEPTH_CONTROL,
157                         FMT_TRUNCATE_EN, 0,
158                         FMT_TRUNCATE_DEPTH, 0);
159
160         if (params->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
161                 /*  8bpc trunc on YCbCr422*/
162                 if (params->flags.TRUNCATE_DEPTH == 1)
163                         REG_UPDATE_2(FMT_BIT_DEPTH_CONTROL,
164                                         FMT_TRUNCATE_EN, 1,
165                                         FMT_TRUNCATE_DEPTH, 1);
166                 else if (params->flags.TRUNCATE_DEPTH == 2)
167                         /*  10bpc trunc on YCbCr422*/
168                         REG_UPDATE_2(FMT_BIT_DEPTH_CONTROL,
169                                         FMT_TRUNCATE_EN, 1,
170                                         FMT_TRUNCATE_DEPTH, 2);
171                 return;
172         }
173         /* on other format-to do */
174         if (params->flags.TRUNCATE_ENABLED == 0)
175                 return;
176         /*Set truncation depth and Enable truncation*/
177         REG_UPDATE_2(FMT_BIT_DEPTH_CONTROL,
178                                 FMT_TRUNCATE_EN, 1,
179                                 FMT_TRUNCATE_DEPTH,
180                                 params->flags.TRUNCATE_DEPTH);
181 }
182 #endif
183
184 /*
185  *      set_spatial_dither
186  *      1) set spatial dithering mode: pattern of seed
187  *      2) set spatial dithering depth: 0 for 18bpp or 1 for 24bpp
188  *      3) set random seed
189  *      4) set random mode
190  *              lfsr is reset every frame or not reset
191  *              RGB dithering method
192  *              0: RGB data are all dithered with x^28+x^3+1
193  *              1: R data is dithered with x^28+x^3+1
194  *              G data is dithered with x^28+X^9+1
195  *              B data is dithered with x^28+x^13+1
196  *              enable high pass filter or not
197  *      5) enable spatical dithering
198  */
199 static void set_spatial_dither(
200         struct dce110_opp *opp110,
201         const struct bit_depth_reduction_params *params)
202 {
203         /*Disable spatial (random) dithering*/
204         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
205                 FMT_SPATIAL_DITHER_EN, 0,
206                 FMT_SPATIAL_DITHER_DEPTH, 0,
207                 FMT_SPATIAL_DITHER_MODE, 0);
208
209         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
210                 FMT_HIGHPASS_RANDOM_ENABLE, 0,
211                 FMT_FRAME_RANDOM_ENABLE, 0,
212                 FMT_RGB_RANDOM_ENABLE, 0);
213
214         REG_UPDATE(FMT_BIT_DEPTH_CONTROL,
215                 FMT_TEMPORAL_DITHER_EN, 0);
216
217         if (params->flags.SPATIAL_DITHER_ENABLED == 0)
218                 return;
219
220         /* only use FRAME_COUNTER_MAX if frameRandom == 1*/
221
222         if (opp110->opp_mask->FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX &&
223                         opp110->opp_mask->FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP) {
224                 if (params->flags.FRAME_RANDOM == 1) {
225                         if (params->flags.SPATIAL_DITHER_DEPTH == 0 ||
226                         params->flags.SPATIAL_DITHER_DEPTH == 1) {
227                                 REG_UPDATE_2(FMT_CONTROL,
228                                         FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 15,
229                                         FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 2);
230                         } else if (params->flags.SPATIAL_DITHER_DEPTH == 2) {
231                                 REG_UPDATE_2(FMT_CONTROL,
232                                         FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 3,
233                                         FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 1);
234                         } else
235                                 return;
236                 } else {
237                         REG_UPDATE_2(FMT_CONTROL,
238                                         FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 0,
239                                         FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 0);
240                 }
241         }
242         /* Set seed for random values for
243          * spatial dithering for R,G,B channels
244          */
245         REG_UPDATE(FMT_DITHER_RAND_R_SEED,
246                         FMT_RAND_R_SEED, params->r_seed_value);
247
248         REG_UPDATE(FMT_DITHER_RAND_G_SEED,
249                         FMT_RAND_G_SEED, params->g_seed_value);
250
251         REG_UPDATE(FMT_DITHER_RAND_B_SEED,
252                         FMT_RAND_B_SEED, params->b_seed_value);
253
254         /* FMT_OFFSET_R_Cr  31:16 0x0 Setting the zero
255          * offset for the R/Cr channel, lower 4LSB
256          * is forced to zeros. Typically set to 0
257          * RGB and 0x80000 YCbCr.
258          */
259         /* FMT_OFFSET_G_Y   31:16 0x0 Setting the zero
260          * offset for the G/Y  channel, lower 4LSB is
261          * forced to zeros. Typically set to 0 RGB
262          * and 0x80000 YCbCr.
263          */
264         /* FMT_OFFSET_B_Cb  31:16 0x0 Setting the zero
265          * offset for the B/Cb channel, lower 4LSB is
266          * forced to zeros. Typically set to 0 RGB and
267          * 0x80000 YCbCr.
268          */
269
270         /* Disable High pass filter
271          * Reset only at startup
272          * Set RGB data dithered with x^28+x^3+1
273          */
274         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
275                 FMT_HIGHPASS_RANDOM_ENABLE, params->flags.HIGHPASS_RANDOM,
276                 FMT_FRAME_RANDOM_ENABLE, params->flags.FRAME_RANDOM,
277                 FMT_RGB_RANDOM_ENABLE, params->flags.RGB_RANDOM);
278
279         /* Set spatial dithering bit depth
280          * Set spatial dithering mode
281          * (default is Seed patterrn AAAA...)
282          * Enable spatial dithering
283          */
284         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
285                 FMT_SPATIAL_DITHER_DEPTH, params->flags.SPATIAL_DITHER_DEPTH,
286                 FMT_SPATIAL_DITHER_MODE, params->flags.SPATIAL_DITHER_MODE,
287                 FMT_SPATIAL_DITHER_EN, 1);
288 }
289
290 /*
291  *      SetTemporalDither (Frame Modulation)
292  *      1) set temporal dither depth
293  *      2) select pattern: from hard-coded pattern or programmable pattern
294  *      3) select optimized strips for BGR or RGB LCD sub-pixel
295  *      4) set s matrix
296  *      5) set t matrix
297  *      6) set grey level for 0.25, 0.5, 0.75
298  *      7) enable temporal dithering
299  */
300
301 static void set_temporal_dither(
302         struct dce110_opp *opp110,
303         const struct bit_depth_reduction_params *params)
304 {
305         /*Disable temporal (frame modulation) dithering first*/
306         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
307                 FMT_TEMPORAL_DITHER_EN, 0,
308                 FMT_TEMPORAL_DITHER_RESET, 0,
309                 FMT_TEMPORAL_DITHER_OFFSET, 0);
310
311         REG_UPDATE_2(FMT_BIT_DEPTH_CONTROL,
312                 FMT_TEMPORAL_DITHER_DEPTH, 0,
313                 FMT_TEMPORAL_LEVEL, 0);
314
315         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
316                 FMT_25FRC_SEL, 0,
317                 FMT_50FRC_SEL, 0,
318                 FMT_75FRC_SEL, 0);
319
320         /* no 10bpc dither on DCE11*/
321         if (params->flags.FRAME_MODULATION_ENABLED == 0 ||
322                 params->flags.FRAME_MODULATION_DEPTH == 2)
323                 return;
324
325         /* Set temporal dithering depth*/
326         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
327                 FMT_TEMPORAL_DITHER_DEPTH, params->flags.FRAME_MODULATION_DEPTH,
328                 FMT_TEMPORAL_DITHER_RESET, 0,
329                 FMT_TEMPORAL_DITHER_OFFSET, 0);
330
331         /*Select legacy pattern based on FRC and Temporal level*/
332         if (REG(FMT_TEMPORAL_DITHER_PATTERN_CONTROL)) {
333                 REG_WRITE(FMT_TEMPORAL_DITHER_PATTERN_CONTROL, 0);
334                 /*Set s matrix*/
335                 REG_WRITE(FMT_TEMPORAL_DITHER_PROGRAMMABLE_PATTERN_S_MATRIX, 0);
336                 /*Set t matrix*/
337                 REG_WRITE(FMT_TEMPORAL_DITHER_PROGRAMMABLE_PATTERN_T_MATRIX, 0);
338         }
339
340         /*Select patterns for 0.25, 0.5 and 0.75 grey level*/
341         REG_UPDATE(FMT_BIT_DEPTH_CONTROL,
342                 FMT_TEMPORAL_LEVEL, params->flags.TEMPORAL_LEVEL);
343
344         REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL,
345                 FMT_25FRC_SEL, params->flags.FRC25,
346                 FMT_50FRC_SEL, params->flags.FRC50,
347                 FMT_75FRC_SEL, params->flags.FRC75);
348
349         /*Enable bit reduction by temporal (frame modulation) dithering*/
350         REG_UPDATE(FMT_BIT_DEPTH_CONTROL,
351                 FMT_TEMPORAL_DITHER_EN, 1);
352 }
353
354 /*
355  *      Set Clamping
356  *      1) Set clamping format based on bpc - 0 for 6bpc (No clamping)
357  *              1 for 8 bpc
358  *              2 for 10 bpc
359  *              3 for 12 bpc
360  *              7 for programable
361  *      2) Enable clamp if Limited range requested
362  */
363 void dce110_opp_set_clamping(
364         struct dce110_opp *opp110,
365         const struct clamping_and_pixel_encoding_params *params)
366 {
367         REG_SET_2(FMT_CLAMP_CNTL, 0,
368                 FMT_CLAMP_DATA_EN, 0,
369                 FMT_CLAMP_COLOR_FORMAT, 0);
370
371         switch (params->clamping_level) {
372         case CLAMPING_FULL_RANGE:
373                 break;
374         case CLAMPING_LIMITED_RANGE_8BPC:
375                 REG_SET_2(FMT_CLAMP_CNTL, 0,
376                         FMT_CLAMP_DATA_EN, 1,
377                         FMT_CLAMP_COLOR_FORMAT, 1);
378                 break;
379         case CLAMPING_LIMITED_RANGE_10BPC:
380                 REG_SET_2(FMT_CLAMP_CNTL, 0,
381                         FMT_CLAMP_DATA_EN, 1,
382                         FMT_CLAMP_COLOR_FORMAT, 2);
383                 break;
384         case CLAMPING_LIMITED_RANGE_12BPC:
385                 REG_SET_2(FMT_CLAMP_CNTL, 0,
386                         FMT_CLAMP_DATA_EN, 1,
387                         FMT_CLAMP_COLOR_FORMAT, 3);
388                 break;
389         case CLAMPING_LIMITED_RANGE_PROGRAMMABLE:
390                 /*Set clamp control*/
391                 REG_SET_2(FMT_CLAMP_CNTL, 0,
392                         FMT_CLAMP_DATA_EN, 1,
393                         FMT_CLAMP_COLOR_FORMAT, 7);
394
395                 /*set the defaults*/
396                 REG_SET_2(FMT_CLAMP_COMPONENT_R, 0,
397                         FMT_CLAMP_LOWER_R, 0x10,
398                         FMT_CLAMP_UPPER_R, 0xFEF);
399
400                 REG_SET_2(FMT_CLAMP_COMPONENT_G, 0,
401                         FMT_CLAMP_LOWER_G, 0x10,
402                         FMT_CLAMP_UPPER_G, 0xFEF);
403
404                 REG_SET_2(FMT_CLAMP_COMPONENT_B, 0,
405                         FMT_CLAMP_LOWER_B, 0x10,
406                         FMT_CLAMP_UPPER_B, 0xFEF);
407                 break;
408         default:
409                 break;
410         }
411 }
412
413 #if defined(CONFIG_DRM_AMD_DC_SI)
414 /*
415  *      Set Clamping for DCE6 parts
416  *      1) Set clamping format based on bpc - 0 for 6bpc (No clamping)
417  *              1 for 8 bpc
418  *              2 for 10 bpc
419  *              3 for 12 bpc
420  *              7 for programable
421  *      2) Enable clamp if Limited range requested
422  */
423 static void dce60_opp_set_clamping(
424         struct dce110_opp *opp110,
425         const struct clamping_and_pixel_encoding_params *params)
426 {
427         REG_SET_2(FMT_CLAMP_CNTL, 0,
428                 FMT_CLAMP_DATA_EN, 0,
429                 FMT_CLAMP_COLOR_FORMAT, 0);
430
431         switch (params->clamping_level) {
432         case CLAMPING_FULL_RANGE:
433                 break;
434         case CLAMPING_LIMITED_RANGE_8BPC:
435                 REG_SET_2(FMT_CLAMP_CNTL, 0,
436                         FMT_CLAMP_DATA_EN, 1,
437                         FMT_CLAMP_COLOR_FORMAT, 1);
438                 break;
439         case CLAMPING_LIMITED_RANGE_10BPC:
440                 REG_SET_2(FMT_CLAMP_CNTL, 0,
441                         FMT_CLAMP_DATA_EN, 1,
442                         FMT_CLAMP_COLOR_FORMAT, 2);
443                 break;
444         case CLAMPING_LIMITED_RANGE_12BPC:
445                 REG_SET_2(FMT_CLAMP_CNTL, 0,
446                         FMT_CLAMP_DATA_EN, 1,
447                         FMT_CLAMP_COLOR_FORMAT, 3);
448                 break;
449         case CLAMPING_LIMITED_RANGE_PROGRAMMABLE:
450                 /*Set clamp control*/
451                 REG_SET_2(FMT_CLAMP_CNTL, 0,
452                         FMT_CLAMP_DATA_EN, 1,
453                         FMT_CLAMP_COLOR_FORMAT, 7);
454
455                 /* DCE6 does have FMT_CLAMP_COMPONENT_{R,G,B} registers */
456
457                 break;
458         default:
459                 break;
460         }
461 }
462 #endif
463
464 /*
465  *      set_pixel_encoding
466  *
467  *      Set Pixel Encoding
468  *              0: RGB 4:4:4 or YCbCr 4:4:4 or YOnly
469  *              1: YCbCr 4:2:2
470  */
471 static void set_pixel_encoding(
472         struct dce110_opp *opp110,
473         const struct clamping_and_pixel_encoding_params *params)
474 {
475         if (opp110->opp_mask->FMT_CBCR_BIT_REDUCTION_BYPASS)
476                 REG_UPDATE_3(FMT_CONTROL,
477                                 FMT_PIXEL_ENCODING, 0,
478                                 FMT_SUBSAMPLING_MODE, 0,
479                                 FMT_CBCR_BIT_REDUCTION_BYPASS, 0);
480         else
481                 REG_UPDATE_2(FMT_CONTROL,
482                                 FMT_PIXEL_ENCODING, 0,
483                                 FMT_SUBSAMPLING_MODE, 0);
484
485         if (params->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
486                 REG_UPDATE_2(FMT_CONTROL,
487                                 FMT_PIXEL_ENCODING, 1,
488                                 FMT_SUBSAMPLING_ORDER, 0);
489         }
490         if (params->pixel_encoding == PIXEL_ENCODING_YCBCR420) {
491                 REG_UPDATE_3(FMT_CONTROL,
492                                 FMT_PIXEL_ENCODING, 2,
493                                 FMT_SUBSAMPLING_MODE, 2,
494                                 FMT_CBCR_BIT_REDUCTION_BYPASS, 1);
495         }
496
497 }
498
499 #if defined(CONFIG_DRM_AMD_DC_SI)
500 /*
501  *      dce60_set_pixel_encoding
502  *      DCE6 has no FMT_SUBSAMPLING_{MODE,ORDER} bits in FMT_CONTROL reg
503  *      Set Pixel Encoding
504  *              0: RGB 4:4:4 or YCbCr 4:4:4 or YOnly
505  *              1: YCbCr 4:2:2
506  */
507 static void dce60_set_pixel_encoding(
508         struct dce110_opp *opp110,
509         const struct clamping_and_pixel_encoding_params *params)
510 {
511         if (opp110->opp_mask->FMT_CBCR_BIT_REDUCTION_BYPASS)
512                 REG_UPDATE_2(FMT_CONTROL,
513                                 FMT_PIXEL_ENCODING, 0,
514                                 FMT_CBCR_BIT_REDUCTION_BYPASS, 0);
515         else
516                 REG_UPDATE(FMT_CONTROL,
517                                 FMT_PIXEL_ENCODING, 0);
518
519         if (params->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
520                 REG_UPDATE(FMT_CONTROL,
521                                 FMT_PIXEL_ENCODING, 1);
522         }
523         if (params->pixel_encoding == PIXEL_ENCODING_YCBCR420) {
524                 REG_UPDATE_2(FMT_CONTROL,
525                                 FMT_PIXEL_ENCODING, 2,
526                                 FMT_CBCR_BIT_REDUCTION_BYPASS, 1);
527         }
528
529 }
530 #endif
531
532 void dce110_opp_program_bit_depth_reduction(
533         struct output_pixel_processor *opp,
534         const struct bit_depth_reduction_params *params)
535 {
536         struct dce110_opp *opp110 = TO_DCE110_OPP(opp);
537
538         set_truncation(opp110, params);
539         set_spatial_dither(opp110, params);
540         set_temporal_dither(opp110, params);
541 }
542
543 #if defined(CONFIG_DRM_AMD_DC_SI)
544 static void dce60_opp_program_bit_depth_reduction(
545         struct output_pixel_processor *opp,
546         const struct bit_depth_reduction_params *params)
547 {
548         struct dce110_opp *opp110 = TO_DCE110_OPP(opp);
549
550         dce60_set_truncation(opp110, params);
551         set_spatial_dither(opp110, params);
552         set_temporal_dither(opp110, params);
553 }
554 #endif
555
556 void dce110_opp_program_clamping_and_pixel_encoding(
557         struct output_pixel_processor *opp,
558         const struct clamping_and_pixel_encoding_params *params)
559 {
560         struct dce110_opp *opp110 = TO_DCE110_OPP(opp);
561
562         dce110_opp_set_clamping(opp110, params);
563         set_pixel_encoding(opp110, params);
564 }
565
566 #if defined(CONFIG_DRM_AMD_DC_SI)
567 static void dce60_opp_program_clamping_and_pixel_encoding(
568         struct output_pixel_processor *opp,
569         const struct clamping_and_pixel_encoding_params *params)
570 {
571         struct dce110_opp *opp110 = TO_DCE110_OPP(opp);
572
573         dce60_opp_set_clamping(opp110, params);
574         dce60_set_pixel_encoding(opp110, params);
575 }
576 #endif
577
578 static void program_formatter_420_memory(struct output_pixel_processor *opp)
579 {
580         struct dce110_opp *opp110 = TO_DCE110_OPP(opp);
581         uint32_t fmt_mem_cntl_value;
582
583         /* Program source select*/
584         /* Use HW default source select for FMT_MEMORYx_CONTROL */
585         /* Use that value for FMT_SRC_SELECT as well*/
586         REG_GET(CONTROL,
587                         FMT420_MEM0_SOURCE_SEL, &fmt_mem_cntl_value);
588
589         REG_UPDATE(FMT_CONTROL,
590                         FMT_SRC_SELECT, fmt_mem_cntl_value);
591
592         /* Turn on the memory */
593         REG_UPDATE(CONTROL,
594                         FMT420_MEM0_PWR_FORCE, 0);
595 }
596
597 void dce110_opp_set_dyn_expansion(
598         struct output_pixel_processor *opp,
599         enum dc_color_space color_sp,
600         enum dc_color_depth color_dpth,
601         enum signal_type signal)
602 {
603         struct dce110_opp *opp110 = TO_DCE110_OPP(opp);
604
605         REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,
606                         FMT_DYNAMIC_EXP_EN, 0,
607                         FMT_DYNAMIC_EXP_MODE, 0);
608
609         /*00 - 10-bit -> 12-bit dynamic expansion*/
610         /*01 - 8-bit  -> 12-bit dynamic expansion*/
611         if (signal == SIGNAL_TYPE_HDMI_TYPE_A ||
612                 signal == SIGNAL_TYPE_DISPLAY_PORT ||
613                 signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
614                 switch (color_dpth) {
615                 case COLOR_DEPTH_888:
616                         REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,
617                                 FMT_DYNAMIC_EXP_EN, 1,
618                                 FMT_DYNAMIC_EXP_MODE, 1);
619                         break;
620                 case COLOR_DEPTH_101010:
621                         REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,
622                                 FMT_DYNAMIC_EXP_EN, 1,
623                                 FMT_DYNAMIC_EXP_MODE, 0);
624                         break;
625                 case COLOR_DEPTH_121212:
626                         REG_UPDATE_2(
627                                 FMT_DYNAMIC_EXP_CNTL,
628                                 FMT_DYNAMIC_EXP_EN, 1,/*otherwise last two bits are zero*/
629                                 FMT_DYNAMIC_EXP_MODE, 0);
630                         break;
631                 default:
632                         break;
633                 }
634         }
635 }
636
637 static void program_formatter_reset_dig_resync_fifo(struct output_pixel_processor *opp)
638 {
639         struct dce110_opp *opp110 = TO_DCE110_OPP(opp);
640
641         /* clear previous phase lock status*/
642         REG_UPDATE(FMT_CONTROL,
643                         FMT_420_PIXEL_PHASE_LOCKED_CLEAR, 1);
644
645         /* poll until FMT_420_PIXEL_PHASE_LOCKED become 1*/
646         REG_WAIT(FMT_CONTROL, FMT_420_PIXEL_PHASE_LOCKED, 1, 10, 10);
647
648 }
649
650 void dce110_opp_program_fmt(
651         struct output_pixel_processor *opp,
652         struct bit_depth_reduction_params *fmt_bit_depth,
653         struct clamping_and_pixel_encoding_params *clamping)
654 {
655         /* dithering is affected by <CrtcSourceSelect>, hence should be
656          * programmed afterwards */
657
658         if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420)
659                 program_formatter_420_memory(opp);
660
661         dce110_opp_program_bit_depth_reduction(
662                 opp,
663                 fmt_bit_depth);
664
665         dce110_opp_program_clamping_and_pixel_encoding(
666                 opp,
667                 clamping);
668
669         if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420)
670                 program_formatter_reset_dig_resync_fifo(opp);
671
672         return;
673 }
674
675 #if defined(CONFIG_DRM_AMD_DC_SI)
676 static void dce60_opp_program_fmt(
677         struct output_pixel_processor *opp,
678         struct bit_depth_reduction_params *fmt_bit_depth,
679         struct clamping_and_pixel_encoding_params *clamping)
680 {
681         /* dithering is affected by <CrtcSourceSelect>, hence should be
682          * programmed afterwards */
683
684         if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420)
685                 program_formatter_420_memory(opp);
686
687         dce60_opp_program_bit_depth_reduction(
688                 opp,
689                 fmt_bit_depth);
690
691         dce60_opp_program_clamping_and_pixel_encoding(
692                 opp,
693                 clamping);
694
695         if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420)
696                 program_formatter_reset_dig_resync_fifo(opp);
697
698         return;
699 }
700 #endif
701
702
703
704 /*****************************************/
705 /* Constructor, Destructor               */
706 /*****************************************/
707
708 static const struct opp_funcs funcs = {
709         .opp_set_dyn_expansion = dce110_opp_set_dyn_expansion,
710         .opp_destroy = dce110_opp_destroy,
711         .opp_program_fmt = dce110_opp_program_fmt,
712         .opp_program_bit_depth_reduction = dce110_opp_program_bit_depth_reduction
713 };
714
715 #if defined(CONFIG_DRM_AMD_DC_SI)
716 static const struct opp_funcs dce60_opp_funcs = {
717         .opp_set_dyn_expansion = dce110_opp_set_dyn_expansion,
718         .opp_destroy = dce110_opp_destroy,
719         .opp_program_fmt = dce60_opp_program_fmt,
720         .opp_program_bit_depth_reduction = dce60_opp_program_bit_depth_reduction
721 };
722 #endif
723
724 void dce110_opp_construct(struct dce110_opp *opp110,
725         struct dc_context *ctx,
726         uint32_t inst,
727         const struct dce_opp_registers *regs,
728         const struct dce_opp_shift *opp_shift,
729         const struct dce_opp_mask *opp_mask)
730 {
731         opp110->base.funcs = &funcs;
732
733         opp110->base.ctx = ctx;
734
735         opp110->base.inst = inst;
736
737         opp110->regs = regs;
738         opp110->opp_shift = opp_shift;
739         opp110->opp_mask = opp_mask;
740 }
741
742 #if defined(CONFIG_DRM_AMD_DC_SI)
743 void dce60_opp_construct(struct dce110_opp *opp110,
744         struct dc_context *ctx,
745         uint32_t inst,
746         const struct dce_opp_registers *regs,
747         const struct dce_opp_shift *opp_shift,
748         const struct dce_opp_mask *opp_mask)
749 {
750         opp110->base.funcs = &dce60_opp_funcs;
751
752         opp110->base.ctx = ctx;
753
754         opp110->base.inst = inst;
755
756         opp110->regs = regs;
757         opp110->opp_shift = opp_shift;
758         opp110->opp_mask = opp_mask;
759 }
760 #endif
761
762 void dce110_opp_destroy(struct output_pixel_processor **opp)
763 {
764         if (*opp)
765                 kfree(FROM_DCE11_OPP(*opp));
766         *opp = NULL;
767 }
768
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