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  */
set_truncation(struct dce110_opp * opp110,const struct bit_depth_reduction_params * params)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  */
dce60_set_truncation(struct dce110_opp * opp110,const struct bit_depth_reduction_params * params)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  */
set_spatial_dither(struct dce110_opp * opp110,const struct bit_depth_reduction_params * params)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 
set_temporal_dither(struct dce110_opp * opp110,const struct bit_depth_reduction_params * params)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  */
dce110_opp_set_clamping(struct dce110_opp * opp110,const struct clamping_and_pixel_encoding_params * params)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  */
dce60_opp_set_clamping(struct dce110_opp * opp110,const struct clamping_and_pixel_encoding_params * params)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  */
set_pixel_encoding(struct dce110_opp * opp110,const struct clamping_and_pixel_encoding_params * params)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  */
dce60_set_pixel_encoding(struct dce110_opp * opp110,const struct clamping_and_pixel_encoding_params * params)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 
dce110_opp_program_bit_depth_reduction(struct output_pixel_processor * opp,const struct bit_depth_reduction_params * params)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)
dce60_opp_program_bit_depth_reduction(struct output_pixel_processor * opp,const struct bit_depth_reduction_params * params)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 
dce110_opp_program_clamping_and_pixel_encoding(struct output_pixel_processor * opp,const struct clamping_and_pixel_encoding_params * params)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)
dce60_opp_program_clamping_and_pixel_encoding(struct output_pixel_processor * opp,const struct clamping_and_pixel_encoding_params * params)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 
program_formatter_420_memory(struct output_pixel_processor * opp)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 
dce110_opp_set_dyn_expansion(struct output_pixel_processor * opp,enum dc_color_space color_sp,enum dc_color_depth color_dpth,enum signal_type signal)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 
program_formatter_reset_dig_resync_fifo(struct output_pixel_processor * opp)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 
dce110_opp_program_fmt(struct output_pixel_processor * opp,struct bit_depth_reduction_params * fmt_bit_depth,struct clamping_and_pixel_encoding_params * clamping)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)
dce60_opp_program_fmt(struct output_pixel_processor * opp,struct bit_depth_reduction_params * fmt_bit_depth,struct clamping_and_pixel_encoding_params * clamping)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 
dce110_opp_construct(struct dce110_opp * opp110,struct dc_context * ctx,uint32_t inst,const struct dce_opp_registers * regs,const struct dce_opp_shift * opp_shift,const struct dce_opp_mask * opp_mask)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)
dce60_opp_construct(struct dce110_opp * opp110,struct dc_context * ctx,uint32_t inst,const struct dce_opp_registers * regs,const struct dce_opp_shift * opp_shift,const struct dce_opp_mask * opp_mask)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 
dce110_opp_destroy(struct output_pixel_processor ** opp)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 
769