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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / amd / display / dc / dce / dce_transform.c
blobab63d0d0304cb1012164edf8017b1d89aad638e6
1 /*
2 * Copyright 2012-16 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 "dce_transform.h"
27 #include "reg_helper.h"
28 #include "opp.h"
29 #include "basics/conversion.h"
30 #include "dc.h"
31
32 #define REG(reg) \
33 (xfm_dce->regs->reg)
34
35 #undef FN
36 #define FN(reg_name, field_name) \
37 xfm_dce->xfm_shift->field_name, xfm_dce->xfm_mask->field_name
38
39 #define CTX \
40 xfm_dce->base.ctx
41 #define DC_LOGGER \
42 xfm_dce->base.ctx->logger
43
44 #define IDENTITY_RATIO(ratio) (dc_fixpt_u2d19(ratio) == (1 << 19))
45 #define GAMUT_MATRIX_SIZE 12
46 #define SCL_PHASES 16
47
48 enum dcp_out_trunc_round_mode {
49 DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE,
50 DCP_OUT_TRUNC_ROUND_MODE_ROUND
51 };
52
53 enum dcp_out_trunc_round_depth {
54 DCP_OUT_TRUNC_ROUND_DEPTH_14BIT,
55 DCP_OUT_TRUNC_ROUND_DEPTH_13BIT,
56 DCP_OUT_TRUNC_ROUND_DEPTH_12BIT,
57 DCP_OUT_TRUNC_ROUND_DEPTH_11BIT,
58 DCP_OUT_TRUNC_ROUND_DEPTH_10BIT,
59 DCP_OUT_TRUNC_ROUND_DEPTH_9BIT,
60 DCP_OUT_TRUNC_ROUND_DEPTH_8BIT
61 };
62
63 /* defines the various methods of bit reduction available for use */
64 enum dcp_bit_depth_reduction_mode {
65 DCP_BIT_DEPTH_REDUCTION_MODE_DITHER,
66 DCP_BIT_DEPTH_REDUCTION_MODE_ROUND,
67 DCP_BIT_DEPTH_REDUCTION_MODE_TRUNCATE,
68 DCP_BIT_DEPTH_REDUCTION_MODE_DISABLED,
69 DCP_BIT_DEPTH_REDUCTION_MODE_INVALID
70 };
71
72 enum dcp_spatial_dither_mode {
73 DCP_SPATIAL_DITHER_MODE_AAAA,
74 DCP_SPATIAL_DITHER_MODE_A_AA_A,
75 DCP_SPATIAL_DITHER_MODE_AABBAABB,
76 DCP_SPATIAL_DITHER_MODE_AABBCCAABBCC,
77 DCP_SPATIAL_DITHER_MODE_INVALID
78 };
79
80 enum dcp_spatial_dither_depth {
81 DCP_SPATIAL_DITHER_DEPTH_30BPP,
82 DCP_SPATIAL_DITHER_DEPTH_24BPP
83 };
84
85 enum csc_color_mode {
86 /* 00 - BITS2:0 Bypass */
87 CSC_COLOR_MODE_GRAPHICS_BYPASS,
88 /* 01 - hard coded coefficient TV RGB */
89 CSC_COLOR_MODE_GRAPHICS_PREDEFINED,
90 /* 04 - programmable OUTPUT CSC coefficient */
91 CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC,
92 };
93
94 enum grph_color_adjust_option {
95 GRPH_COLOR_MATRIX_HW_DEFAULT = 1,
96 GRPH_COLOR_MATRIX_SW
97 };
98
99 static const struct out_csc_color_matrix global_color_matrix[] = {
100 { COLOR_SPACE_SRGB,
101 { 0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
102 { COLOR_SPACE_SRGB_LIMITED,
103 { 0x1B60, 0, 0, 0x200, 0, 0x1B60, 0, 0x200, 0, 0, 0x1B60, 0x200} },
104 { COLOR_SPACE_YCBCR601,
105 { 0xE00, 0xF447, 0xFDB9, 0x1000, 0x82F, 0x1012, 0x31F, 0x200, 0xFB47,
106 0xF6B9, 0xE00, 0x1000} },
107 { COLOR_SPACE_YCBCR709, { 0xE00, 0xF349, 0xFEB7, 0x1000, 0x5D2, 0x1394, 0x1FA,
108 0x200, 0xFCCB, 0xF535, 0xE00, 0x1000} },
109 /* TODO: correct values below */
110 { COLOR_SPACE_YCBCR601_LIMITED, { 0xE00, 0xF447, 0xFDB9, 0x1000, 0x991,
111 0x12C9, 0x3A6, 0x200, 0xFB47, 0xF6B9, 0xE00, 0x1000} },
112 { COLOR_SPACE_YCBCR709_LIMITED, { 0xE00, 0xF349, 0xFEB7, 0x1000, 0x6CE, 0x16E3,
113 0x24F, 0x200, 0xFCCB, 0xF535, 0xE00, 0x1000} }
114 };
115
116 static bool setup_scaling_configuration(
117 struct dce_transform *xfm_dce,
118 const struct scaler_data *data)
119 {
120 REG_SET(SCL_BYPASS_CONTROL, 0, SCL_BYPASS_MODE, 0);
121
122 if (data->taps.h_taps + data->taps.v_taps <= 2) {
123 /* Set bypass */
124 if (xfm_dce->xfm_mask->SCL_PSCL_EN != 0)
125 REG_UPDATE_2(SCL_MODE, SCL_MODE, 0, SCL_PSCL_EN, 0);
126 else
127 REG_UPDATE(SCL_MODE, SCL_MODE, 0);
128 return false;
129 }
130
131 REG_SET_2(SCL_TAP_CONTROL, 0,
132 SCL_H_NUM_OF_TAPS, data->taps.h_taps - 1,
133 SCL_V_NUM_OF_TAPS, data->taps.v_taps - 1);
134
135 if (data->format <= PIXEL_FORMAT_GRPH_END)
136 REG_UPDATE(SCL_MODE, SCL_MODE, 1);
137 else
138 REG_UPDATE(SCL_MODE, SCL_MODE, 2);
139
140 if (xfm_dce->xfm_mask->SCL_PSCL_EN != 0)
141 REG_UPDATE(SCL_MODE, SCL_PSCL_EN, 1);
142
143 /* 1 - Replace out of bound pixels with edge */
144 REG_SET(SCL_CONTROL, 0, SCL_BOUNDARY_MODE, 1);
145
146 return true;
147 }
148
149 static void program_overscan(
150 struct dce_transform *xfm_dce,
151 const struct scaler_data *data)
152 {
153 int overscan_right = data->h_active
154 - data->recout.x - data->recout.width;
155 int overscan_bottom = data->v_active
156 - data->recout.y - data->recout.height;
157
158 if (xfm_dce->base.ctx->dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
159 overscan_bottom += 2;
160 overscan_right += 2;
161 }
162
163 if (overscan_right < 0) {
164 BREAK_TO_DEBUGGER();
165 overscan_right = 0;
166 }
167 if (overscan_bottom < 0) {
168 BREAK_TO_DEBUGGER();
169 overscan_bottom = 0;
170 }
171
172 REG_SET_2(EXT_OVERSCAN_LEFT_RIGHT, 0,
173 EXT_OVERSCAN_LEFT, data->recout.x,
174 EXT_OVERSCAN_RIGHT, overscan_right);
175 REG_SET_2(EXT_OVERSCAN_TOP_BOTTOM, 0,
176 EXT_OVERSCAN_TOP, data->recout.y,
177 EXT_OVERSCAN_BOTTOM, overscan_bottom);
178 }
179
180 static void program_multi_taps_filter(
181 struct dce_transform *xfm_dce,
182 int taps,
183 const uint16_t *coeffs,
184 enum ram_filter_type filter_type)
185 {
186 int phase, pair;
187 int array_idx = 0;
188 int taps_pairs = (taps + 1) / 2;
189 int phases_to_program = SCL_PHASES / 2 + 1;
190
191 uint32_t power_ctl = 0;
192
193 if (!coeffs)
194 return;
195
196 /*We need to disable power gating on coeff memory to do programming*/
197 if (REG(DCFE_MEM_PWR_CTRL)) {
198 power_ctl = REG_READ(DCFE_MEM_PWR_CTRL);
199 REG_SET(DCFE_MEM_PWR_CTRL, power_ctl, SCL_COEFF_MEM_PWR_DIS, 1);
200
201 REG_WAIT(DCFE_MEM_PWR_STATUS, SCL_COEFF_MEM_PWR_STATE, 0, 1, 10);
202 }
203 for (phase = 0; phase < phases_to_program; phase++) {
204 /*we always program N/2 + 1 phases, total phases N, but N/2-1 are just mirror
205 phase 0 is unique and phase N/2 is unique if N is even*/
206 for (pair = 0; pair < taps_pairs; pair++) {
207 uint16_t odd_coeff = 0;
208 uint16_t even_coeff = coeffs[array_idx];
209
210 REG_SET_3(SCL_COEF_RAM_SELECT, 0,
211 SCL_C_RAM_FILTER_TYPE, filter_type,
212 SCL_C_RAM_PHASE, phase,
213 SCL_C_RAM_TAP_PAIR_IDX, pair);
214
215 if (taps % 2 && pair == taps_pairs - 1)
216 array_idx++;
217 else {
218 odd_coeff = coeffs[array_idx + 1];
219 array_idx += 2;
220 }
221
222 REG_SET_4(SCL_COEF_RAM_TAP_DATA, 0,
223 SCL_C_RAM_EVEN_TAP_COEF_EN, 1,
224 SCL_C_RAM_EVEN_TAP_COEF, even_coeff,
225 SCL_C_RAM_ODD_TAP_COEF_EN, 1,
226 SCL_C_RAM_ODD_TAP_COEF, odd_coeff);
227 }
228 }
229
230 /*We need to restore power gating on coeff memory to initial state*/
231 if (REG(DCFE_MEM_PWR_CTRL))
232 REG_WRITE(DCFE_MEM_PWR_CTRL, power_ctl);
233 }
234
235 static void program_viewport(
236 struct dce_transform *xfm_dce,
237 const struct rect *view_port)
238 {
239 REG_SET_2(VIEWPORT_START, 0,
240 VIEWPORT_X_START, view_port->x,
241 VIEWPORT_Y_START, view_port->y);
242
243 REG_SET_2(VIEWPORT_SIZE, 0,
244 VIEWPORT_HEIGHT, view_port->height,
245 VIEWPORT_WIDTH, view_port->width);
246
247 /* TODO: add stereo support */
248 }
249
250 static void calculate_inits(
251 struct dce_transform *xfm_dce,
252 const struct scaler_data *data,
253 struct scl_ratios_inits *inits)
254 {
255 struct fixed31_32 h_init;
256 struct fixed31_32 v_init;
257
258 inits->h_int_scale_ratio =
259 dc_fixpt_u2d19(data->ratios.horz) << 5;
260 inits->v_int_scale_ratio =
261 dc_fixpt_u2d19(data->ratios.vert) << 5;
262
263 h_init =
264 dc_fixpt_div_int(
265 dc_fixpt_add(
266 data->ratios.horz,
267 dc_fixpt_from_int(data->taps.h_taps + 1)),
268 2);
269 inits->h_init.integer = dc_fixpt_floor(h_init);
270 inits->h_init.fraction = dc_fixpt_u0d19(h_init) << 5;
271
272 v_init =
273 dc_fixpt_div_int(
274 dc_fixpt_add(
275 data->ratios.vert,
276 dc_fixpt_from_int(data->taps.v_taps + 1)),
277 2);
278 inits->v_init.integer = dc_fixpt_floor(v_init);
279 inits->v_init.fraction = dc_fixpt_u0d19(v_init) << 5;
280 }
281
282 static void program_scl_ratios_inits(
283 struct dce_transform *xfm_dce,
284 struct scl_ratios_inits *inits)
285 {
286
287 REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0,
288 SCL_H_SCALE_RATIO, inits->h_int_scale_ratio);
289
290 REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0,
291 SCL_V_SCALE_RATIO, inits->v_int_scale_ratio);
292
293 REG_SET_2(SCL_HORZ_FILTER_INIT, 0,
294 SCL_H_INIT_INT, inits->h_init.integer,
295 SCL_H_INIT_FRAC, inits->h_init.fraction);
296
297 REG_SET_2(SCL_VERT_FILTER_INIT, 0,
298 SCL_V_INIT_INT, inits->v_init.integer,
299 SCL_V_INIT_FRAC, inits->v_init.fraction);
300
301 REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0);
302 }
303
304 static const uint16_t *get_filter_coeffs_16p(int taps, struct fixed31_32 ratio)
305 {
306 if (taps == 4)
307 return get_filter_4tap_16p(ratio);
308 else if (taps == 3)
309 return get_filter_3tap_16p(ratio);
310 else if (taps == 2)
311 return get_filter_2tap_16p();
312 else if (taps == 1)
313 return NULL;
314 else {
315 /* should never happen, bug */
316 BREAK_TO_DEBUGGER();
317 return NULL;
318 }
319 }
320
321 static void dce_transform_set_scaler(
322 struct transform *xfm,
323 const struct scaler_data *data)
324 {
325 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
326 bool is_scaling_required;
327 bool filter_updated = false;
328 const uint16_t *coeffs_v, *coeffs_h;
329
330 /*Use all three pieces of memory always*/
331 REG_SET_2(LB_MEMORY_CTRL, 0,
332 LB_MEMORY_CONFIG, 0,
333 LB_MEMORY_SIZE, xfm_dce->lb_memory_size);
334
335 /* Clear SCL_F_SHARP_CONTROL value to 0 */
336 REG_WRITE(SCL_F_SHARP_CONTROL, 0);
337
338 /* 1. Program overscan */
339 program_overscan(xfm_dce, data);
340
341 /* 2. Program taps and configuration */
342 is_scaling_required = setup_scaling_configuration(xfm_dce, data);
343
344 if (is_scaling_required) {
345 /* 3. Calculate and program ratio, filter initialization */
346 struct scl_ratios_inits inits = { 0 };
347
348 calculate_inits(xfm_dce, data, &inits);
349
350 program_scl_ratios_inits(xfm_dce, &inits);
351
352 coeffs_v = get_filter_coeffs_16p(data->taps.v_taps, data->ratios.vert);
353 coeffs_h = get_filter_coeffs_16p(data->taps.h_taps, data->ratios.horz);
354
355 if (coeffs_v != xfm_dce->filter_v || coeffs_h != xfm_dce->filter_h) {
356 /* 4. Program vertical filters */
357 if (xfm_dce->filter_v == NULL)
358 REG_SET(SCL_VERT_FILTER_CONTROL, 0,
359 SCL_V_2TAP_HARDCODE_COEF_EN, 0);
360 program_multi_taps_filter(
361 xfm_dce,
362 data->taps.v_taps,
363 coeffs_v,
364 FILTER_TYPE_RGB_Y_VERTICAL);
365 program_multi_taps_filter(
366 xfm_dce,
367 data->taps.v_taps,
368 coeffs_v,
369 FILTER_TYPE_ALPHA_VERTICAL);
370
371 /* 5. Program horizontal filters */
372 if (xfm_dce->filter_h == NULL)
373 REG_SET(SCL_HORZ_FILTER_CONTROL, 0,
374 SCL_H_2TAP_HARDCODE_COEF_EN, 0);
375 program_multi_taps_filter(
376 xfm_dce,
377 data->taps.h_taps,
378 coeffs_h,
379 FILTER_TYPE_RGB_Y_HORIZONTAL);
380 program_multi_taps_filter(
381 xfm_dce,
382 data->taps.h_taps,
383 coeffs_h,
384 FILTER_TYPE_ALPHA_HORIZONTAL);
385
386 xfm_dce->filter_v = coeffs_v;
387 xfm_dce->filter_h = coeffs_h;
388 filter_updated = true;
389 }
390 }
391
392 /* 6. Program the viewport */
393 program_viewport(xfm_dce, &data->viewport);
394
395 /* 7. Set bit to flip to new coefficient memory */
396 if (filter_updated)
397 REG_UPDATE(SCL_UPDATE, SCL_COEF_UPDATE_COMPLETE, 1);
398
399 REG_UPDATE(LB_DATA_FORMAT, ALPHA_EN, data->lb_params.alpha_en);
400 }
401
402 /*****************************************************************************
403 * set_clamp
404 *
405 * @param depth : bit depth to set the clamp to (should match denorm)
406 *
407 * @brief
408 * Programs clamp according to panel bit depth.
409 *
410 *******************************************************************************/
411 static void set_clamp(
412 struct dce_transform *xfm_dce,
413 enum dc_color_depth depth)
414 {
415 int clamp_max = 0;
416
417 /* At the clamp block the data will be MSB aligned, so we set the max
418 * clamp accordingly.
419 * For example, the max value for 6 bits MSB aligned (14 bit bus) would
420 * be "11 1111 0000 0000" in binary, so 0x3F00.
421 */
422 switch (depth) {
423 case COLOR_DEPTH_666:
424 /* 6bit MSB aligned on 14 bit bus '11 1111 0000 0000' */
425 clamp_max = 0x3F00;
426 break;
427 case COLOR_DEPTH_888:
428 /* 8bit MSB aligned on 14 bit bus '11 1111 1100 0000' */
429 clamp_max = 0x3FC0;
430 break;
431 case COLOR_DEPTH_101010:
432 /* 10bit MSB aligned on 14 bit bus '11 1111 1111 1100' */
433 clamp_max = 0x3FFC;
434 break;
435 case COLOR_DEPTH_121212:
436 /* 12bit MSB aligned on 14 bit bus '11 1111 1111 1111' */
437 clamp_max = 0x3FFF;
438 break;
439 default:
440 clamp_max = 0x3FC0;
441 BREAK_TO_DEBUGGER(); /* Invalid clamp bit depth */
442 }
443 REG_SET_2(OUT_CLAMP_CONTROL_B_CB, 0,
444 OUT_CLAMP_MIN_B_CB, 0,
445 OUT_CLAMP_MAX_B_CB, clamp_max);
446
447 REG_SET_2(OUT_CLAMP_CONTROL_G_Y, 0,
448 OUT_CLAMP_MIN_G_Y, 0,
449 OUT_CLAMP_MAX_G_Y, clamp_max);
450
451 REG_SET_2(OUT_CLAMP_CONTROL_R_CR, 0,
452 OUT_CLAMP_MIN_R_CR, 0,
453 OUT_CLAMP_MAX_R_CR, clamp_max);
454 }
455
456 /*******************************************************************************
457 * set_round
458 *
459 * @brief
460 * Programs Round/Truncate
461 *
462 * @param [in] mode :round or truncate
463 * @param [in] depth :bit depth to round/truncate to
464 OUT_ROUND_TRUNC_MODE 3:0 0xA Output data round or truncate mode
465 POSSIBLE VALUES:
466 00 - truncate to u0.12
467 01 - truncate to u0.11
468 02 - truncate to u0.10
469 03 - truncate to u0.9
470 04 - truncate to u0.8
471 05 - reserved
472 06 - truncate to u0.14
473 07 - truncate to u0.13 set_reg_field_value(
474 value,
475 clamp_max,
476 OUT_CLAMP_CONTROL_R_CR,
477 OUT_CLAMP_MAX_R_CR);
478 08 - round to u0.12
479 09 - round to u0.11
480 10 - round to u0.10
481 11 - round to u0.9
482 12 - round to u0.8
483 13 - reserved
484 14 - round to u0.14
485 15 - round to u0.13
486
487 ******************************************************************************/
488 static void set_round(
489 struct dce_transform *xfm_dce,
490 enum dcp_out_trunc_round_mode mode,
491 enum dcp_out_trunc_round_depth depth)
492 {
493 int depth_bits = 0;
494 int mode_bit = 0;
495
496 /* set up bit depth */
497 switch (depth) {
498 case DCP_OUT_TRUNC_ROUND_DEPTH_14BIT:
499 depth_bits = 6;
500 break;
501 case DCP_OUT_TRUNC_ROUND_DEPTH_13BIT:
502 depth_bits = 7;
503 break;
504 case DCP_OUT_TRUNC_ROUND_DEPTH_12BIT:
505 depth_bits = 0;
506 break;
507 case DCP_OUT_TRUNC_ROUND_DEPTH_11BIT:
508 depth_bits = 1;
509 break;
510 case DCP_OUT_TRUNC_ROUND_DEPTH_10BIT:
511 depth_bits = 2;
512 break;
513 case DCP_OUT_TRUNC_ROUND_DEPTH_9BIT:
514 depth_bits = 3;
515 break;
516 case DCP_OUT_TRUNC_ROUND_DEPTH_8BIT:
517 depth_bits = 4;
518 break;
519 default:
520 depth_bits = 4;
521 BREAK_TO_DEBUGGER(); /* Invalid dcp_out_trunc_round_depth */
522 }
523
524 /* set up round or truncate */
525 switch (mode) {
526 case DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE:
527 mode_bit = 0;
528 break;
529 case DCP_OUT_TRUNC_ROUND_MODE_ROUND:
530 mode_bit = 1;
531 break;
532 default:
533 BREAK_TO_DEBUGGER(); /* Invalid dcp_out_trunc_round_mode */
534 }
535
536 depth_bits |= mode_bit << 3;
537
538 REG_SET(OUT_ROUND_CONTROL, 0, OUT_ROUND_TRUNC_MODE, depth_bits);
539 }
540
541 /*****************************************************************************
542 * set_dither
543 *
544 * @brief
545 * Programs Dither
546 *
547 * @param [in] dither_enable : enable dither
548 * @param [in] dither_mode : dither mode to set
549 * @param [in] dither_depth : bit depth to dither to
550 * @param [in] frame_random_enable : enable frame random
551 * @param [in] rgb_random_enable : enable rgb random
552 * @param [in] highpass_random_enable : enable highpass random
553 *
554 ******************************************************************************/
555
556 static void set_dither(
557 struct dce_transform *xfm_dce,
558 bool dither_enable,
559 enum dcp_spatial_dither_mode dither_mode,
560 enum dcp_spatial_dither_depth dither_depth,
561 bool frame_random_enable,
562 bool rgb_random_enable,
563 bool highpass_random_enable)
564 {
565 int dither_depth_bits = 0;
566 int dither_mode_bits = 0;
567
568 switch (dither_mode) {
569 case DCP_SPATIAL_DITHER_MODE_AAAA:
570 dither_mode_bits = 0;
571 break;
572 case DCP_SPATIAL_DITHER_MODE_A_AA_A:
573 dither_mode_bits = 1;
574 break;
575 case DCP_SPATIAL_DITHER_MODE_AABBAABB:
576 dither_mode_bits = 2;
577 break;
578 case DCP_SPATIAL_DITHER_MODE_AABBCCAABBCC:
579 dither_mode_bits = 3;
580 break;
581 default:
582 /* Invalid dcp_spatial_dither_mode */
583 BREAK_TO_DEBUGGER();
584 }
585
586 switch (dither_depth) {
587 case DCP_SPATIAL_DITHER_DEPTH_30BPP:
588 dither_depth_bits = 0;
589 break;
590 case DCP_SPATIAL_DITHER_DEPTH_24BPP:
591 dither_depth_bits = 1;
592 break;
593 default:
594 /* Invalid dcp_spatial_dither_depth */
595 BREAK_TO_DEBUGGER();
596 }
597
598 /* write the register */
599 REG_SET_6(DCP_SPATIAL_DITHER_CNTL, 0,
600 DCP_SPATIAL_DITHER_EN, dither_enable,
601 DCP_SPATIAL_DITHER_MODE, dither_mode_bits,
602 DCP_SPATIAL_DITHER_DEPTH, dither_depth_bits,
603 DCP_FRAME_RANDOM_ENABLE, frame_random_enable,
604 DCP_RGB_RANDOM_ENABLE, rgb_random_enable,
605 DCP_HIGHPASS_RANDOM_ENABLE, highpass_random_enable);
606 }
607
608 /*****************************************************************************
609 * dce_transform_bit_depth_reduction_program
610 *
611 * @brief
612 * Programs the DCP bit depth reduction registers (Clamp, Round/Truncate,
613 * Dither) for dce
614 *
615 * @param depth : bit depth to set the clamp to (should match denorm)
616 *
617 ******************************************************************************/
618 static void program_bit_depth_reduction(
619 struct dce_transform *xfm_dce,
620 enum dc_color_depth depth,
621 const struct bit_depth_reduction_params *bit_depth_params)
622 {
623 enum dcp_out_trunc_round_depth trunc_round_depth;
624 enum dcp_out_trunc_round_mode trunc_mode;
625 bool spatial_dither_enable;
626
627 ASSERT(depth < COLOR_DEPTH_121212); /* Invalid clamp bit depth */
628
629 spatial_dither_enable = bit_depth_params->flags.SPATIAL_DITHER_ENABLED;
630 /* Default to 12 bit truncation without rounding */
631 trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
632 trunc_mode = DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
633
634 if (bit_depth_params->flags.TRUNCATE_ENABLED) {
635 /* Don't enable dithering if truncation is enabled */
636 spatial_dither_enable = false;
637 trunc_mode = bit_depth_params->flags.TRUNCATE_MODE ?
638 DCP_OUT_TRUNC_ROUND_MODE_ROUND :
639 DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
640
641 if (bit_depth_params->flags.TRUNCATE_DEPTH == 0 ||
642 bit_depth_params->flags.TRUNCATE_DEPTH == 1)
643 trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_8BIT;
644 else if (bit_depth_params->flags.TRUNCATE_DEPTH == 2)
645 trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_10BIT;
646 else {
647 /*
648 * Invalid truncate/round depth. Setting here to 12bit
649 * to prevent use-before-initialize errors.
650 */
651 trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
652 BREAK_TO_DEBUGGER();
653 }
654 }
655
656 set_clamp(xfm_dce, depth);
657 set_round(xfm_dce, trunc_mode, trunc_round_depth);
658 set_dither(xfm_dce,
659 spatial_dither_enable,
660 DCP_SPATIAL_DITHER_MODE_A_AA_A,
661 DCP_SPATIAL_DITHER_DEPTH_30BPP,
662 bit_depth_params->flags.FRAME_RANDOM,
663 bit_depth_params->flags.RGB_RANDOM,
664 bit_depth_params->flags.HIGHPASS_RANDOM);
665 }
666
667 static int dce_transform_get_max_num_of_supported_lines(
668 struct dce_transform *xfm_dce,
669 enum lb_pixel_depth depth,
670 int pixel_width)
671 {
672 int pixels_per_entries = 0;
673 int max_pixels_supports = 0;
674
675 ASSERT(pixel_width);
676
677 /* Find number of pixels that can fit into a single LB entry and
678 * take floor of the value since we cannot store a single pixel
679 * across multiple entries. */
680 switch (depth) {
681 case LB_PIXEL_DEPTH_18BPP:
682 pixels_per_entries = xfm_dce->lb_bits_per_entry / 18;
683 break;
684
685 case LB_PIXEL_DEPTH_24BPP:
686 pixels_per_entries = xfm_dce->lb_bits_per_entry / 24;
687 break;
688
689 case LB_PIXEL_DEPTH_30BPP:
690 pixels_per_entries = xfm_dce->lb_bits_per_entry / 30;
691 break;
692
693 case LB_PIXEL_DEPTH_36BPP:
694 pixels_per_entries = xfm_dce->lb_bits_per_entry / 36;
695 break;
696
697 default:
698 DC_LOG_WARNING("%s: Invalid LB pixel depth",
699 __func__);
700 BREAK_TO_DEBUGGER();
701 break;
702 }
703
704 ASSERT(pixels_per_entries);
705
706 max_pixels_supports =
707 pixels_per_entries *
708 xfm_dce->lb_memory_size;
709
710 return (max_pixels_supports / pixel_width);
711 }
712
713 static void set_denormalization(
714 struct dce_transform *xfm_dce,
715 enum dc_color_depth depth)
716 {
717 int denorm_mode = 0;
718
719 switch (depth) {
720 case COLOR_DEPTH_666:
721 /* 63/64 for 6 bit output color depth */
722 denorm_mode = 1;
723 break;
724 case COLOR_DEPTH_888:
725 /* Unity for 8 bit output color depth
726 * because prescale is disabled by default */
727 denorm_mode = 0;
728 break;
729 case COLOR_DEPTH_101010:
730 /* 1023/1024 for 10 bit output color depth */
731 denorm_mode = 3;
732 break;
733 case COLOR_DEPTH_121212:
734 /* 4095/4096 for 12 bit output color depth */
735 denorm_mode = 5;
736 break;
737 case COLOR_DEPTH_141414:
738 case COLOR_DEPTH_161616:
739 default:
740 /* not valid used case! */
741 break;
742 }
743
744 REG_SET(DENORM_CONTROL, 0, DENORM_MODE, denorm_mode);
745 }
746
747 static void dce_transform_set_pixel_storage_depth(
748 struct transform *xfm,
749 enum lb_pixel_depth depth,
750 const struct bit_depth_reduction_params *bit_depth_params)
751 {
752 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
753 int pixel_depth, expan_mode;
754 enum dc_color_depth color_depth;
755
756 switch (depth) {
757 case LB_PIXEL_DEPTH_18BPP:
758 color_depth = COLOR_DEPTH_666;
759 pixel_depth = 2;
760 expan_mode = 1;
761 break;
762 case LB_PIXEL_DEPTH_24BPP:
763 color_depth = COLOR_DEPTH_888;
764 pixel_depth = 1;
765 expan_mode = 1;
766 break;
767 case LB_PIXEL_DEPTH_30BPP:
768 color_depth = COLOR_DEPTH_101010;
769 pixel_depth = 0;
770 expan_mode = 1;
771 break;
772 case LB_PIXEL_DEPTH_36BPP:
773 color_depth = COLOR_DEPTH_121212;
774 pixel_depth = 3;
775 expan_mode = 0;
776 break;
777 default:
778 color_depth = COLOR_DEPTH_101010;
779 pixel_depth = 0;
780 expan_mode = 1;
781 BREAK_TO_DEBUGGER();
782 break;
783 }
784
785 set_denormalization(xfm_dce, color_depth);
786 program_bit_depth_reduction(xfm_dce, color_depth, bit_depth_params);
787
788 REG_UPDATE_2(LB_DATA_FORMAT,
789 PIXEL_DEPTH, pixel_depth,
790 PIXEL_EXPAN_MODE, expan_mode);
791
792 if (!(xfm_dce->lb_pixel_depth_supported & depth)) {
793 /*we should use unsupported capabilities
794 * unless it is required by w/a*/
795 DC_LOG_WARNING("%s: Capability not supported",
796 __func__);
797 }
798 }
799
800 static void program_gamut_remap(
801 struct dce_transform *xfm_dce,
802 const uint16_t *reg_val)
803 {
804 if (reg_val) {
805 REG_SET_2(GAMUT_REMAP_C11_C12, 0,
806 GAMUT_REMAP_C11, reg_val[0],
807 GAMUT_REMAP_C12, reg_val[1]);
808 REG_SET_2(GAMUT_REMAP_C13_C14, 0,
809 GAMUT_REMAP_C13, reg_val[2],
810 GAMUT_REMAP_C14, reg_val[3]);
811 REG_SET_2(GAMUT_REMAP_C21_C22, 0,
812 GAMUT_REMAP_C21, reg_val[4],
813 GAMUT_REMAP_C22, reg_val[5]);
814 REG_SET_2(GAMUT_REMAP_C23_C24, 0,
815 GAMUT_REMAP_C23, reg_val[6],
816 GAMUT_REMAP_C24, reg_val[7]);
817 REG_SET_2(GAMUT_REMAP_C31_C32, 0,
818 GAMUT_REMAP_C31, reg_val[8],
819 GAMUT_REMAP_C32, reg_val[9]);
820 REG_SET_2(GAMUT_REMAP_C33_C34, 0,
821 GAMUT_REMAP_C33, reg_val[10],
822 GAMUT_REMAP_C34, reg_val[11]);
823
824 REG_SET(GAMUT_REMAP_CONTROL, 0, GRPH_GAMUT_REMAP_MODE, 1);
825 } else
826 REG_SET(GAMUT_REMAP_CONTROL, 0, GRPH_GAMUT_REMAP_MODE, 0);
827
828 }
829
830 /**
831 *****************************************************************************
832 * Function: dal_transform_wide_gamut_set_gamut_remap
833 *
834 * @param [in] const struct xfm_grph_csc_adjustment *adjust
835 *
836 * @return
837 * void
838 *
839 * @note calculate and apply color temperature adjustment to in Rgb color space
840 *
841 * @see
842 *
843 *****************************************************************************
844 */
845 static void dce_transform_set_gamut_remap(
846 struct transform *xfm,
847 const struct xfm_grph_csc_adjustment *adjust)
848 {
849 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
850 int i = 0;
851
852 if (adjust->gamut_adjust_type != GRAPHICS_GAMUT_ADJUST_TYPE_SW)
853 /* Bypass if type is bypass or hw */
854 program_gamut_remap(xfm_dce, NULL);
855 else {
856 struct fixed31_32 arr_matrix[GAMUT_MATRIX_SIZE];
857 uint16_t arr_reg_val[GAMUT_MATRIX_SIZE];
858
859 for (i = 0; i < GAMUT_MATRIX_SIZE; i++)
860 arr_matrix[i] = adjust->temperature_matrix[i];
861
862 convert_float_matrix(
863 arr_reg_val, arr_matrix, GAMUT_MATRIX_SIZE);
864
865 program_gamut_remap(xfm_dce, arr_reg_val);
866 }
867 }
868
869 static uint32_t decide_taps(struct fixed31_32 ratio, uint32_t in_taps, bool chroma)
870 {
871 uint32_t taps;
872
873 if (IDENTITY_RATIO(ratio)) {
874 return 1;
875 } else if (in_taps != 0) {
876 taps = in_taps;
877 } else {
878 taps = 4;
879 }
880
881 if (chroma) {
882 taps /= 2;
883 if (taps < 2)
884 taps = 2;
885 }
886
887 return taps;
888 }
889
890
891 bool dce_transform_get_optimal_number_of_taps(
892 struct transform *xfm,
893 struct scaler_data *scl_data,
894 const struct scaling_taps *in_taps)
895 {
896 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
897 int pixel_width = scl_data->viewport.width;
898 int max_num_of_lines;
899
900 if (xfm_dce->prescaler_on &&
901 (scl_data->viewport.width > scl_data->recout.width))
902 pixel_width = scl_data->recout.width;
903
904 max_num_of_lines = dce_transform_get_max_num_of_supported_lines(
905 xfm_dce,
906 scl_data->lb_params.depth,
907 pixel_width);
908
909 /* Fail if in_taps are impossible */
910 if (in_taps->v_taps >= max_num_of_lines)
911 return false;
912
913 /*
914 * Set taps according to this policy (in this order)
915 * - Use 1 for no scaling
916 * - Use input taps
917 * - Use 4 and reduce as required by line buffer size
918 * - Decide chroma taps if chroma is scaled
919 *
920 * Ignore input chroma taps. Decide based on non-chroma
921 */
922 scl_data->taps.h_taps = decide_taps(scl_data->ratios.horz, in_taps->h_taps, false);
923 scl_data->taps.v_taps = decide_taps(scl_data->ratios.vert, in_taps->v_taps, false);
924 scl_data->taps.h_taps_c = decide_taps(scl_data->ratios.horz_c, in_taps->h_taps, true);
925 scl_data->taps.v_taps_c = decide_taps(scl_data->ratios.vert_c, in_taps->v_taps, true);
926
927 if (!IDENTITY_RATIO(scl_data->ratios.vert)) {
928 /* reduce v_taps if needed but ensure we have at least two */
929 if (in_taps->v_taps == 0
930 && max_num_of_lines <= scl_data->taps.v_taps
931 && scl_data->taps.v_taps > 1) {
932 scl_data->taps.v_taps = max_num_of_lines - 1;
933 }
934
935 if (scl_data->taps.v_taps <= 1)
936 return false;
937 }
938
939 if (!IDENTITY_RATIO(scl_data->ratios.vert_c)) {
940 /* reduce chroma v_taps if needed but ensure we have at least two */
941 if (max_num_of_lines <= scl_data->taps.v_taps_c && scl_data->taps.v_taps_c > 1) {
942 scl_data->taps.v_taps_c = max_num_of_lines - 1;
943 }
944
945 if (scl_data->taps.v_taps_c <= 1)
946 return false;
947 }
948
949 /* we've got valid taps */
950 return true;
951 }
952
953 static void dce_transform_reset(struct transform *xfm)
954 {
955 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
956
957 xfm_dce->filter_h = NULL;
958 xfm_dce->filter_v = NULL;
959 }
960
961 static void program_color_matrix(
962 struct dce_transform *xfm_dce,
963 const struct out_csc_color_matrix *tbl_entry,
964 enum grph_color_adjust_option options)
965 {
966 {
967 REG_SET_2(OUTPUT_CSC_C11_C12, 0,
968 OUTPUT_CSC_C11, tbl_entry->regval[0],
969 OUTPUT_CSC_C12, tbl_entry->regval[1]);
970 }
971 {
972 REG_SET_2(OUTPUT_CSC_C13_C14, 0,
973 OUTPUT_CSC_C11, tbl_entry->regval[2],
974 OUTPUT_CSC_C12, tbl_entry->regval[3]);
975 }
976 {
977 REG_SET_2(OUTPUT_CSC_C21_C22, 0,
978 OUTPUT_CSC_C11, tbl_entry->regval[4],
979 OUTPUT_CSC_C12, tbl_entry->regval[5]);
980 }
981 {
982 REG_SET_2(OUTPUT_CSC_C23_C24, 0,
983 OUTPUT_CSC_C11, tbl_entry->regval[6],
984 OUTPUT_CSC_C12, tbl_entry->regval[7]);
985 }
986 {
987 REG_SET_2(OUTPUT_CSC_C31_C32, 0,
988 OUTPUT_CSC_C11, tbl_entry->regval[8],
989 OUTPUT_CSC_C12, tbl_entry->regval[9]);
990 }
991 {
992 REG_SET_2(OUTPUT_CSC_C33_C34, 0,
993 OUTPUT_CSC_C11, tbl_entry->regval[10],
994 OUTPUT_CSC_C12, tbl_entry->regval[11]);
995 }
996 }
997
998 static bool configure_graphics_mode(
999 struct dce_transform *xfm_dce,
1000 enum csc_color_mode config,
1001 enum graphics_csc_adjust_type csc_adjust_type,
1002 enum dc_color_space color_space)
1003 {
1004 REG_SET(OUTPUT_CSC_CONTROL, 0,
1005 OUTPUT_CSC_GRPH_MODE, 0);
1006
1007 if (csc_adjust_type == GRAPHICS_CSC_ADJUST_TYPE_SW) {
1008 if (config == CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC) {
1009 REG_SET(OUTPUT_CSC_CONTROL, 0,
1010 OUTPUT_CSC_GRPH_MODE, 4);
1011 } else {
1012
1013 switch (color_space) {
1014 case COLOR_SPACE_SRGB:
1015 /* by pass */
1016 REG_SET(OUTPUT_CSC_CONTROL, 0,
1017 OUTPUT_CSC_GRPH_MODE, 0);
1018 break;
1019 case COLOR_SPACE_SRGB_LIMITED:
1020 /* TV RGB */
1021 REG_SET(OUTPUT_CSC_CONTROL, 0,
1022 OUTPUT_CSC_GRPH_MODE, 1);
1023 break;
1024 case COLOR_SPACE_YCBCR601:
1025 case COLOR_SPACE_YCBCR601_LIMITED:
1026 /* YCbCr601 */
1027 REG_SET(OUTPUT_CSC_CONTROL, 0,
1028 OUTPUT_CSC_GRPH_MODE, 2);
1029 break;
1030 case COLOR_SPACE_YCBCR709:
1031 case COLOR_SPACE_YCBCR709_LIMITED:
1032 /* YCbCr709 */
1033 REG_SET(OUTPUT_CSC_CONTROL, 0,
1034 OUTPUT_CSC_GRPH_MODE, 3);
1035 break;
1036 default:
1037 return false;
1038 }
1039 }
1040 } else if (csc_adjust_type == GRAPHICS_CSC_ADJUST_TYPE_HW) {
1041 switch (color_space) {
1042 case COLOR_SPACE_SRGB:
1043 /* by pass */
1044 REG_SET(OUTPUT_CSC_CONTROL, 0,
1045 OUTPUT_CSC_GRPH_MODE, 0);
1046 break;
1047 break;
1048 case COLOR_SPACE_SRGB_LIMITED:
1049 /* TV RGB */
1050 REG_SET(OUTPUT_CSC_CONTROL, 0,
1051 OUTPUT_CSC_GRPH_MODE, 1);
1052 break;
1053 case COLOR_SPACE_YCBCR601:
1054 case COLOR_SPACE_YCBCR601_LIMITED:
1055 /* YCbCr601 */
1056 REG_SET(OUTPUT_CSC_CONTROL, 0,
1057 OUTPUT_CSC_GRPH_MODE, 2);
1058 break;
1059 case COLOR_SPACE_YCBCR709:
1060 case COLOR_SPACE_YCBCR709_LIMITED:
1061 /* YCbCr709 */
1062 REG_SET(OUTPUT_CSC_CONTROL, 0,
1063 OUTPUT_CSC_GRPH_MODE, 3);
1064 break;
1065 default:
1066 return false;
1067 }
1068
1069 } else
1070 /* by pass */
1071 REG_SET(OUTPUT_CSC_CONTROL, 0,
1072 OUTPUT_CSC_GRPH_MODE, 0);
1073
1074 return true;
1075 }
1076
1077 void dce110_opp_set_csc_adjustment(
1078 struct transform *xfm,
1079 const struct out_csc_color_matrix *tbl_entry)
1080 {
1081 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1082 enum csc_color_mode config =
1083 CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC;
1084
1085 program_color_matrix(
1086 xfm_dce, tbl_entry, GRPH_COLOR_MATRIX_SW);
1087
1088 /* We did everything ,now program DxOUTPUT_CSC_CONTROL */
1089 configure_graphics_mode(xfm_dce, config, GRAPHICS_CSC_ADJUST_TYPE_SW,
1090 tbl_entry->color_space);
1091 }
1092
1093 void dce110_opp_set_csc_default(
1094 struct transform *xfm,
1095 const struct default_adjustment *default_adjust)
1096 {
1097 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1098 enum csc_color_mode config =
1099 CSC_COLOR_MODE_GRAPHICS_PREDEFINED;
1100
1101 if (default_adjust->force_hw_default == false) {
1102 const struct out_csc_color_matrix *elm;
1103 /* currently parameter not in use */
1104 enum grph_color_adjust_option option =
1105 GRPH_COLOR_MATRIX_HW_DEFAULT;
1106 uint32_t i;
1107 /*
1108 * HW default false we program locally defined matrix
1109 * HW default true we use predefined hw matrix and we
1110 * do not need to program matrix
1111 * OEM wants the HW default via runtime parameter.
1112 */
1113 option = GRPH_COLOR_MATRIX_SW;
1114
1115 for (i = 0; i < ARRAY_SIZE(global_color_matrix); ++i) {
1116 elm = &global_color_matrix[i];
1117 if (elm->color_space != default_adjust->out_color_space)
1118 continue;
1119 /* program the matrix with default values from this
1120 * file */
1121 program_color_matrix(xfm_dce, elm, option);
1122 config = CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC;
1123 break;
1124 }
1125 }
1126
1127 /* configure the what we programmed :
1128 * 1. Default values from this file
1129 * 2. Use hardware default from ROM_A and we do not need to program
1130 * matrix */
1131
1132 configure_graphics_mode(xfm_dce, config,
1133 default_adjust->csc_adjust_type,
1134 default_adjust->out_color_space);
1135 }
1136
1137 static void program_pwl(struct dce_transform *xfm_dce,
1138 const struct pwl_params *params)
1139 {
1140 int retval;
1141 uint8_t max_tries = 10;
1142 uint8_t counter = 0;
1143 uint32_t i = 0;
1144 const struct pwl_result_data *rgb = params->rgb_resulted;
1145
1146 /* Power on LUT memory */
1147 if (REG(DCFE_MEM_PWR_CTRL))
1148 REG_UPDATE(DCFE_MEM_PWR_CTRL,
1149 DCP_REGAMMA_MEM_PWR_DIS, 1);
1150 else
1151 REG_UPDATE(DCFE_MEM_LIGHT_SLEEP_CNTL,
1152 REGAMMA_LUT_LIGHT_SLEEP_DIS, 1);
1153
1154 while (counter < max_tries) {
1155 if (REG(DCFE_MEM_PWR_STATUS)) {
1156 REG_GET(DCFE_MEM_PWR_STATUS,
1157 DCP_REGAMMA_MEM_PWR_STATE,
1158 &retval);
1159
1160 if (retval == 0)
1161 break;
1162 ++counter;
1163 } else {
1164 REG_GET(DCFE_MEM_LIGHT_SLEEP_CNTL,
1165 REGAMMA_LUT_MEM_PWR_STATE,
1166 &retval);
1167
1168 if (retval == 0)
1169 break;
1170 ++counter;
1171 }
1172 }
1173
1174 if (counter == max_tries) {
1175 DC_LOG_WARNING("%s: regamma lut was not powered on "
1176 "in a timely manner,"
1177 " programming still proceeds\n",
1178 __func__);
1179 }
1180
1181 REG_UPDATE(REGAMMA_LUT_WRITE_EN_MASK,
1182 REGAMMA_LUT_WRITE_EN_MASK, 7);
1183
1184 REG_WRITE(REGAMMA_LUT_INDEX, 0);
1185
1186 /* Program REGAMMA_LUT_DATA */
1187 while (i != params->hw_points_num) {
1188
1189 REG_WRITE(REGAMMA_LUT_DATA, rgb->red_reg);
1190 REG_WRITE(REGAMMA_LUT_DATA, rgb->green_reg);
1191 REG_WRITE(REGAMMA_LUT_DATA, rgb->blue_reg);
1192 REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_red_reg);
1193 REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_green_reg);
1194 REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_blue_reg);
1195
1196 ++rgb;
1197 ++i;
1198 }
1199
1200 /* we are done with DCP LUT memory; re-enable low power mode */
1201 if (REG(DCFE_MEM_PWR_CTRL))
1202 REG_UPDATE(DCFE_MEM_PWR_CTRL,
1203 DCP_REGAMMA_MEM_PWR_DIS, 0);
1204 else
1205 REG_UPDATE(DCFE_MEM_LIGHT_SLEEP_CNTL,
1206 REGAMMA_LUT_LIGHT_SLEEP_DIS, 0);
1207 }
1208
1209 static void regamma_config_regions_and_segments(struct dce_transform *xfm_dce,
1210 const struct pwl_params *params)
1211 {
1212 const struct gamma_curve *curve;
1213
1214 REG_SET_2(REGAMMA_CNTLA_START_CNTL, 0,
1215 REGAMMA_CNTLA_EXP_REGION_START, params->arr_points[0].custom_float_x,
1216 REGAMMA_CNTLA_EXP_REGION_START_SEGMENT, 0);
1217
1218 REG_SET(REGAMMA_CNTLA_SLOPE_CNTL, 0,
1219 REGAMMA_CNTLA_EXP_REGION_LINEAR_SLOPE, params->arr_points[0].custom_float_slope);
1220
1221 REG_SET(REGAMMA_CNTLA_END_CNTL1, 0,
1222 REGAMMA_CNTLA_EXP_REGION_END, params->arr_points[1].custom_float_x);
1223
1224 REG_SET_2(REGAMMA_CNTLA_END_CNTL2, 0,
1225 REGAMMA_CNTLA_EXP_REGION_END_BASE, params->arr_points[1].custom_float_y,
1226 REGAMMA_CNTLA_EXP_REGION_END_SLOPE, params->arr_points[1].custom_float_slope);
1227
1228 curve = params->arr_curve_points;
1229
1230 REG_SET_4(REGAMMA_CNTLA_REGION_0_1, 0,
1231 REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1232 REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1233 REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1234 REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1235 curve += 2;
1236
1237 REG_SET_4(REGAMMA_CNTLA_REGION_2_3, 0,
1238 REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1239 REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1240 REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1241 REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1242 curve += 2;
1243
1244 REG_SET_4(REGAMMA_CNTLA_REGION_4_5, 0,
1245 REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1246 REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1247 REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1248 REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1249 curve += 2;
1250
1251 REG_SET_4(REGAMMA_CNTLA_REGION_6_7, 0,
1252 REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1253 REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1254 REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1255 REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1256 curve += 2;
1257
1258 REG_SET_4(REGAMMA_CNTLA_REGION_8_9, 0,
1259 REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1260 REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1261 REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1262 REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1263 curve += 2;
1264
1265 REG_SET_4(REGAMMA_CNTLA_REGION_10_11, 0,
1266 REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1267 REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1268 REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1269 REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1270 curve += 2;
1271
1272 REG_SET_4(REGAMMA_CNTLA_REGION_12_13, 0,
1273 REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1274 REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1275 REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1276 REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1277 curve += 2;
1278
1279 REG_SET_4(REGAMMA_CNTLA_REGION_14_15, 0,
1280 REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1281 REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1282 REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1283 REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1284 }
1285
1286
1287
1288 void dce110_opp_program_regamma_pwl(struct transform *xfm,
1289 const struct pwl_params *params)
1290 {
1291 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1292
1293 /* Setup regions */
1294 regamma_config_regions_and_segments(xfm_dce, params);
1295
1296 /* Program PWL */
1297 program_pwl(xfm_dce, params);
1298 }
1299
1300 void dce110_opp_power_on_regamma_lut(struct transform *xfm,
1301 bool power_on)
1302 {
1303 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1304
1305 if (REG(DCFE_MEM_PWR_CTRL))
1306 REG_UPDATE_2(DCFE_MEM_PWR_CTRL,
1307 DCP_REGAMMA_MEM_PWR_DIS, power_on,
1308 DCP_LUT_MEM_PWR_DIS, power_on);
1309 else
1310 REG_UPDATE_2(DCFE_MEM_LIGHT_SLEEP_CNTL,
1311 REGAMMA_LUT_LIGHT_SLEEP_DIS, power_on,
1312 DCP_LUT_LIGHT_SLEEP_DIS, power_on);
1313
1314 }
1315
1316 void dce110_opp_set_regamma_mode(struct transform *xfm,
1317 enum opp_regamma mode)
1318 {
1319 struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1320
1321 REG_SET(REGAMMA_CONTROL, 0,
1322 GRPH_REGAMMA_MODE, mode);
1323 }
1324
1325 static const struct transform_funcs dce_transform_funcs = {
1326 .transform_reset = dce_transform_reset,
1327 .transform_set_scaler = dce_transform_set_scaler,
1328 .transform_set_gamut_remap = dce_transform_set_gamut_remap,
1329 .opp_set_csc_adjustment = dce110_opp_set_csc_adjustment,
1330 .opp_set_csc_default = dce110_opp_set_csc_default,
1331 .opp_power_on_regamma_lut = dce110_opp_power_on_regamma_lut,
1332 .opp_program_regamma_pwl = dce110_opp_program_regamma_pwl,
1333 .opp_set_regamma_mode = dce110_opp_set_regamma_mode,
1334 .transform_set_pixel_storage_depth = dce_transform_set_pixel_storage_depth,
1335 .transform_get_optimal_number_of_taps = dce_transform_get_optimal_number_of_taps
1336 };
1337
1338 /*****************************************/
1339 /* Constructor, Destructor */
1340 /*****************************************/
1341
1342 void dce_transform_construct(
1343 struct dce_transform *xfm_dce,
1344 struct dc_context *ctx,
1345 uint32_t inst,
1346 const struct dce_transform_registers *regs,
1347 const struct dce_transform_shift *xfm_shift,
1348 const struct dce_transform_mask *xfm_mask)
1349 {
1350 xfm_dce->base.ctx = ctx;
1351
1352 xfm_dce->base.inst = inst;
1353 xfm_dce->base.funcs = &dce_transform_funcs;
1354
1355 xfm_dce->regs = regs;
1356 xfm_dce->xfm_shift = xfm_shift;
1357 xfm_dce->xfm_mask = xfm_mask;
1358
1359 xfm_dce->prescaler_on = true;
1360 xfm_dce->lb_pixel_depth_supported =
1361 LB_PIXEL_DEPTH_18BPP |
1362 LB_PIXEL_DEPTH_24BPP |
1363 LB_PIXEL_DEPTH_30BPP;
1364
1365 xfm_dce->lb_bits_per_entry = LB_BITS_PER_ENTRY;
1366 xfm_dce->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x6B0*/
1367 }
Linux with added FPC-III support