linux/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
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   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
  48enum dcp_out_trunc_round_mode {
  49        DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE,
  50        DCP_OUT_TRUNC_ROUND_MODE_ROUND
  51};
  52
  53enum 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 */
  64enum 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
  72enum 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
  80enum dcp_spatial_dither_depth {
  81        DCP_SPATIAL_DITHER_DEPTH_30BPP,
  82        DCP_SPATIAL_DITHER_DEPTH_24BPP
  83};
  84
  85enum 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
  94enum grph_color_adjust_option {
  95        GRPH_COLOR_MATRIX_HW_DEFAULT = 1,
  96        GRPH_COLOR_MATRIX_SW
  97};
  98
  99static 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
 116static 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#if defined(CONFIG_DRM_AMD_DC_SI)
 150static bool dce60_setup_scaling_configuration(
 151        struct dce_transform *xfm_dce,
 152        const struct scaler_data *data)
 153{
 154        REG_SET(SCL_BYPASS_CONTROL, 0, SCL_BYPASS_MODE, 0);
 155
 156        if (data->taps.h_taps + data->taps.v_taps <= 2) {
 157                /* Set bypass */
 158
 159                /* DCE6 has no SCL_MODE register, skip scale mode programming */
 160
 161                return false;
 162        }
 163
 164        REG_SET_2(SCL_TAP_CONTROL, 0,
 165                        SCL_H_NUM_OF_TAPS, data->taps.h_taps - 1,
 166                        SCL_V_NUM_OF_TAPS, data->taps.v_taps - 1);
 167
 168        /* DCE6 has no SCL_MODE register, skip scale mode programming */
 169
 170        /* DCE6 has no SCL_BOUNDARY_MODE bit, skip replace out of bound pixels */
 171
 172        return true;
 173}
 174#endif
 175
 176static void program_overscan(
 177                struct dce_transform *xfm_dce,
 178                const struct scaler_data *data)
 179{
 180        int overscan_right = data->h_active
 181                        - data->recout.x - data->recout.width;
 182        int overscan_bottom = data->v_active
 183                        - data->recout.y - data->recout.height;
 184
 185        if (xfm_dce->base.ctx->dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
 186                overscan_bottom += 2;
 187                overscan_right += 2;
 188        }
 189
 190        if (overscan_right < 0) {
 191                BREAK_TO_DEBUGGER();
 192                overscan_right = 0;
 193        }
 194        if (overscan_bottom < 0) {
 195                BREAK_TO_DEBUGGER();
 196                overscan_bottom = 0;
 197        }
 198
 199        REG_SET_2(EXT_OVERSCAN_LEFT_RIGHT, 0,
 200                        EXT_OVERSCAN_LEFT, data->recout.x,
 201                        EXT_OVERSCAN_RIGHT, overscan_right);
 202        REG_SET_2(EXT_OVERSCAN_TOP_BOTTOM, 0,
 203                        EXT_OVERSCAN_TOP, data->recout.y,
 204                        EXT_OVERSCAN_BOTTOM, overscan_bottom);
 205}
 206
 207static void program_multi_taps_filter(
 208        struct dce_transform *xfm_dce,
 209        int taps,
 210        const uint16_t *coeffs,
 211        enum ram_filter_type filter_type)
 212{
 213        int phase, pair;
 214        int array_idx = 0;
 215        int taps_pairs = (taps + 1) / 2;
 216        int phases_to_program = SCL_PHASES / 2 + 1;
 217
 218        uint32_t power_ctl = 0;
 219
 220        if (!coeffs)
 221                return;
 222
 223        /*We need to disable power gating on coeff memory to do programming*/
 224        if (REG(DCFE_MEM_PWR_CTRL)) {
 225                power_ctl = REG_READ(DCFE_MEM_PWR_CTRL);
 226                REG_SET(DCFE_MEM_PWR_CTRL, power_ctl, SCL_COEFF_MEM_PWR_DIS, 1);
 227
 228                REG_WAIT(DCFE_MEM_PWR_STATUS, SCL_COEFF_MEM_PWR_STATE, 0, 1, 10);
 229        }
 230        for (phase = 0; phase < phases_to_program; phase++) {
 231                /*we always program N/2 + 1 phases, total phases N, but N/2-1 are just mirror
 232                phase 0 is unique and phase N/2 is unique if N is even*/
 233                for (pair = 0; pair < taps_pairs; pair++) {
 234                        uint16_t odd_coeff = 0;
 235                        uint16_t even_coeff = coeffs[array_idx];
 236
 237                        REG_SET_3(SCL_COEF_RAM_SELECT, 0,
 238                                        SCL_C_RAM_FILTER_TYPE, filter_type,
 239                                        SCL_C_RAM_PHASE, phase,
 240                                        SCL_C_RAM_TAP_PAIR_IDX, pair);
 241
 242                        if (taps % 2 && pair == taps_pairs - 1)
 243                                array_idx++;
 244                        else {
 245                                odd_coeff = coeffs[array_idx + 1];
 246                                array_idx += 2;
 247                        }
 248
 249                        REG_SET_4(SCL_COEF_RAM_TAP_DATA, 0,
 250                                        SCL_C_RAM_EVEN_TAP_COEF_EN, 1,
 251                                        SCL_C_RAM_EVEN_TAP_COEF, even_coeff,
 252                                        SCL_C_RAM_ODD_TAP_COEF_EN, 1,
 253                                        SCL_C_RAM_ODD_TAP_COEF, odd_coeff);
 254                }
 255        }
 256
 257        /*We need to restore power gating on coeff memory to initial state*/
 258        if (REG(DCFE_MEM_PWR_CTRL))
 259                REG_WRITE(DCFE_MEM_PWR_CTRL, power_ctl);
 260}
 261
 262static void program_viewport(
 263        struct dce_transform *xfm_dce,
 264        const struct rect *view_port)
 265{
 266        REG_SET_2(VIEWPORT_START, 0,
 267                        VIEWPORT_X_START, view_port->x,
 268                        VIEWPORT_Y_START, view_port->y);
 269
 270        REG_SET_2(VIEWPORT_SIZE, 0,
 271                        VIEWPORT_HEIGHT, view_port->height,
 272                        VIEWPORT_WIDTH, view_port->width);
 273
 274        /* TODO: add stereo support */
 275}
 276
 277static void calculate_inits(
 278        struct dce_transform *xfm_dce,
 279        const struct scaler_data *data,
 280        struct scl_ratios_inits *inits)
 281{
 282        struct fixed31_32 h_init;
 283        struct fixed31_32 v_init;
 284
 285        inits->h_int_scale_ratio =
 286                dc_fixpt_u2d19(data->ratios.horz) << 5;
 287        inits->v_int_scale_ratio =
 288                dc_fixpt_u2d19(data->ratios.vert) << 5;
 289
 290        h_init =
 291                dc_fixpt_div_int(
 292                        dc_fixpt_add(
 293                                data->ratios.horz,
 294                                dc_fixpt_from_int(data->taps.h_taps + 1)),
 295                                2);
 296        inits->h_init.integer = dc_fixpt_floor(h_init);
 297        inits->h_init.fraction = dc_fixpt_u0d19(h_init) << 5;
 298
 299        v_init =
 300                dc_fixpt_div_int(
 301                        dc_fixpt_add(
 302                                data->ratios.vert,
 303                                dc_fixpt_from_int(data->taps.v_taps + 1)),
 304                                2);
 305        inits->v_init.integer = dc_fixpt_floor(v_init);
 306        inits->v_init.fraction = dc_fixpt_u0d19(v_init) << 5;
 307}
 308
 309#if defined(CONFIG_DRM_AMD_DC_SI)
 310static void dce60_calculate_inits(
 311        struct dce_transform *xfm_dce,
 312        const struct scaler_data *data,
 313        struct sclh_ratios_inits *inits)
 314{
 315        struct fixed31_32 v_init;
 316
 317        inits->h_int_scale_ratio =
 318                dc_fixpt_u2d19(data->ratios.horz) << 5;
 319        inits->v_int_scale_ratio =
 320                dc_fixpt_u2d19(data->ratios.vert) << 5;
 321
 322        /* DCE6 h_init_luma setting inspired by DCE110 */
 323        inits->h_init_luma.integer = 1;
 324
 325        /* DCE6 h_init_chroma setting inspired by DCE110 */
 326        inits->h_init_chroma.integer = 1;
 327
 328        v_init =
 329                dc_fixpt_div_int(
 330                        dc_fixpt_add(
 331                                data->ratios.vert,
 332                                dc_fixpt_from_int(data->taps.v_taps + 1)),
 333                                2);
 334        inits->v_init.integer = dc_fixpt_floor(v_init);
 335        inits->v_init.fraction = dc_fixpt_u0d19(v_init) << 5;
 336}
 337#endif
 338
 339static void program_scl_ratios_inits(
 340        struct dce_transform *xfm_dce,
 341        struct scl_ratios_inits *inits)
 342{
 343
 344        REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0,
 345                        SCL_H_SCALE_RATIO, inits->h_int_scale_ratio);
 346
 347        REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0,
 348                        SCL_V_SCALE_RATIO, inits->v_int_scale_ratio);
 349
 350        REG_SET_2(SCL_HORZ_FILTER_INIT, 0,
 351                        SCL_H_INIT_INT, inits->h_init.integer,
 352                        SCL_H_INIT_FRAC, inits->h_init.fraction);
 353
 354        REG_SET_2(SCL_VERT_FILTER_INIT, 0,
 355                        SCL_V_INIT_INT, inits->v_init.integer,
 356                        SCL_V_INIT_FRAC, inits->v_init.fraction);
 357
 358        REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0);
 359}
 360
 361#if defined(CONFIG_DRM_AMD_DC_SI)
 362static void dce60_program_scl_ratios_inits(
 363        struct dce_transform *xfm_dce,
 364        struct sclh_ratios_inits *inits)
 365{
 366
 367        REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0,
 368                        SCL_H_SCALE_RATIO, inits->h_int_scale_ratio);
 369
 370        REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0,
 371                        SCL_V_SCALE_RATIO, inits->v_int_scale_ratio);
 372
 373        /* DCE6 has SCL_HORZ_FILTER_INIT_RGB_LUMA register */
 374        REG_SET_2(SCL_HORZ_FILTER_INIT_RGB_LUMA, 0,
 375                        SCL_H_INIT_INT_RGB_Y, inits->h_init_luma.integer,
 376                        SCL_H_INIT_FRAC_RGB_Y, inits->h_init_luma.fraction);
 377
 378        /* DCE6 has SCL_HORZ_FILTER_INIT_CHROMA register */
 379        REG_SET_2(SCL_HORZ_FILTER_INIT_CHROMA, 0,
 380                        SCL_H_INIT_INT_CBCR, inits->h_init_chroma.integer,
 381                        SCL_H_INIT_FRAC_CBCR, inits->h_init_chroma.fraction);
 382
 383        REG_SET_2(SCL_VERT_FILTER_INIT, 0,
 384                        SCL_V_INIT_INT, inits->v_init.integer,
 385                        SCL_V_INIT_FRAC, inits->v_init.fraction);
 386
 387        REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0);
 388}
 389#endif
 390
 391static const uint16_t *get_filter_coeffs_16p(int taps, struct fixed31_32 ratio)
 392{
 393        if (taps == 4)
 394                return get_filter_4tap_16p(ratio);
 395        else if (taps == 3)
 396                return get_filter_3tap_16p(ratio);
 397        else if (taps == 2)
 398                return get_filter_2tap_16p();
 399        else if (taps == 1)
 400                return NULL;
 401        else {
 402                /* should never happen, bug */
 403                BREAK_TO_DEBUGGER();
 404                return NULL;
 405        }
 406}
 407
 408static void dce_transform_set_scaler(
 409        struct transform *xfm,
 410        const struct scaler_data *data)
 411{
 412        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
 413        bool is_scaling_required;
 414        bool filter_updated = false;
 415        const uint16_t *coeffs_v, *coeffs_h;
 416
 417        /*Use all three pieces of memory always*/
 418        REG_SET_2(LB_MEMORY_CTRL, 0,
 419                        LB_MEMORY_CONFIG, 0,
 420                        LB_MEMORY_SIZE, xfm_dce->lb_memory_size);
 421
 422        /* Clear SCL_F_SHARP_CONTROL value to 0 */
 423        REG_WRITE(SCL_F_SHARP_CONTROL, 0);
 424
 425        /* 1. Program overscan */
 426        program_overscan(xfm_dce, data);
 427
 428        /* 2. Program taps and configuration */
 429        is_scaling_required = setup_scaling_configuration(xfm_dce, data);
 430
 431        if (is_scaling_required) {
 432                /* 3. Calculate and program ratio, filter initialization */
 433                struct scl_ratios_inits inits = { 0 };
 434
 435                calculate_inits(xfm_dce, data, &inits);
 436
 437                program_scl_ratios_inits(xfm_dce, &inits);
 438
 439                coeffs_v = get_filter_coeffs_16p(data->taps.v_taps, data->ratios.vert);
 440                coeffs_h = get_filter_coeffs_16p(data->taps.h_taps, data->ratios.horz);
 441
 442                if (coeffs_v != xfm_dce->filter_v || coeffs_h != xfm_dce->filter_h) {
 443                        /* 4. Program vertical filters */
 444                        if (xfm_dce->filter_v == NULL)
 445                                REG_SET(SCL_VERT_FILTER_CONTROL, 0,
 446                                                SCL_V_2TAP_HARDCODE_COEF_EN, 0);
 447                        program_multi_taps_filter(
 448                                        xfm_dce,
 449                                        data->taps.v_taps,
 450                                        coeffs_v,
 451                                        FILTER_TYPE_RGB_Y_VERTICAL);
 452                        program_multi_taps_filter(
 453                                        xfm_dce,
 454                                        data->taps.v_taps,
 455                                        coeffs_v,
 456                                        FILTER_TYPE_ALPHA_VERTICAL);
 457
 458                        /* 5. Program horizontal filters */
 459                        if (xfm_dce->filter_h == NULL)
 460                                REG_SET(SCL_HORZ_FILTER_CONTROL, 0,
 461                                                SCL_H_2TAP_HARDCODE_COEF_EN, 0);
 462                        program_multi_taps_filter(
 463                                        xfm_dce,
 464                                        data->taps.h_taps,
 465                                        coeffs_h,
 466                                        FILTER_TYPE_RGB_Y_HORIZONTAL);
 467                        program_multi_taps_filter(
 468                                        xfm_dce,
 469                                        data->taps.h_taps,
 470                                        coeffs_h,
 471                                        FILTER_TYPE_ALPHA_HORIZONTAL);
 472
 473                        xfm_dce->filter_v = coeffs_v;
 474                        xfm_dce->filter_h = coeffs_h;
 475                        filter_updated = true;
 476                }
 477        }
 478
 479        /* 6. Program the viewport */
 480        program_viewport(xfm_dce, &data->viewport);
 481
 482        /* 7. Set bit to flip to new coefficient memory */
 483        if (filter_updated)
 484                REG_UPDATE(SCL_UPDATE, SCL_COEF_UPDATE_COMPLETE, 1);
 485
 486        REG_UPDATE(LB_DATA_FORMAT, ALPHA_EN, data->lb_params.alpha_en);
 487}
 488
 489#if defined(CONFIG_DRM_AMD_DC_SI)
 490static void dce60_transform_set_scaler(
 491        struct transform *xfm,
 492        const struct scaler_data *data)
 493{
 494        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
 495        bool is_scaling_required;
 496        const uint16_t *coeffs_v, *coeffs_h;
 497
 498        /*Use whole line buffer memory always*/
 499        REG_SET(DC_LB_MEMORY_SPLIT, 0,
 500                DC_LB_MEMORY_CONFIG, 0);
 501
 502        REG_SET(DC_LB_MEM_SIZE, 0,
 503                DC_LB_MEM_SIZE, xfm_dce->lb_memory_size);
 504
 505        /* Clear SCL_F_SHARP_CONTROL value to 0 */
 506        REG_WRITE(SCL_F_SHARP_CONTROL, 0);
 507
 508        /* 1. Program overscan */
 509        program_overscan(xfm_dce, data);
 510
 511        /* 2. Program taps and configuration */
 512        is_scaling_required = dce60_setup_scaling_configuration(xfm_dce, data);
 513
 514        if (is_scaling_required) {
 515                /* 3. Calculate and program ratio, DCE6 filter initialization */
 516                struct sclh_ratios_inits inits = { 0 };
 517
 518                /* DCE6 has specific calculate_inits() function */
 519                dce60_calculate_inits(xfm_dce, data, &inits);
 520
 521                /* DCE6 has specific program_scl_ratios_inits() function */
 522                dce60_program_scl_ratios_inits(xfm_dce, &inits);
 523
 524                coeffs_v = get_filter_coeffs_16p(data->taps.v_taps, data->ratios.vert);
 525                coeffs_h = get_filter_coeffs_16p(data->taps.h_taps, data->ratios.horz);
 526
 527                if (coeffs_v != xfm_dce->filter_v || coeffs_h != xfm_dce->filter_h) {
 528                        /* 4. Program vertical filters */
 529                        if (xfm_dce->filter_v == NULL)
 530                                REG_SET(SCL_VERT_FILTER_CONTROL, 0,
 531                                                SCL_V_2TAP_HARDCODE_COEF_EN, 0);
 532                        program_multi_taps_filter(
 533                                        xfm_dce,
 534                                        data->taps.v_taps,
 535                                        coeffs_v,
 536                                        FILTER_TYPE_RGB_Y_VERTICAL);
 537                        program_multi_taps_filter(
 538                                        xfm_dce,
 539                                        data->taps.v_taps,
 540                                        coeffs_v,
 541                                        FILTER_TYPE_ALPHA_VERTICAL);
 542
 543                        /* 5. Program horizontal filters */
 544                        if (xfm_dce->filter_h == NULL)
 545                                REG_SET(SCL_HORZ_FILTER_CONTROL, 0,
 546                                                SCL_H_2TAP_HARDCODE_COEF_EN, 0);
 547                        program_multi_taps_filter(
 548                                        xfm_dce,
 549                                        data->taps.h_taps,
 550                                        coeffs_h,
 551                                        FILTER_TYPE_RGB_Y_HORIZONTAL);
 552                        program_multi_taps_filter(
 553                                        xfm_dce,
 554                                        data->taps.h_taps,
 555                                        coeffs_h,
 556                                        FILTER_TYPE_ALPHA_HORIZONTAL);
 557
 558                        xfm_dce->filter_v = coeffs_v;
 559                        xfm_dce->filter_h = coeffs_h;
 560                }
 561        }
 562
 563        /* 6. Program the viewport */
 564        program_viewport(xfm_dce, &data->viewport);
 565
 566        /* DCE6 has no SCL_COEF_UPDATE_COMPLETE bit to flip to new coefficient memory */
 567
 568        /* DCE6 DATA_FORMAT register does not support ALPHA_EN */
 569}
 570#endif
 571
 572/*****************************************************************************
 573 * set_clamp
 574 *
 575 * @param depth : bit depth to set the clamp to (should match denorm)
 576 *
 577 * @brief
 578 *     Programs clamp according to panel bit depth.
 579 *
 580 *******************************************************************************/
 581static void set_clamp(
 582        struct dce_transform *xfm_dce,
 583        enum dc_color_depth depth)
 584{
 585        int clamp_max = 0;
 586
 587        /* At the clamp block the data will be MSB aligned, so we set the max
 588         * clamp accordingly.
 589         * For example, the max value for 6 bits MSB aligned (14 bit bus) would
 590         * be "11 1111 0000 0000" in binary, so 0x3F00.
 591         */
 592        switch (depth) {
 593        case COLOR_DEPTH_666:
 594                /* 6bit MSB aligned on 14 bit bus '11 1111 0000 0000' */
 595                clamp_max = 0x3F00;
 596                break;
 597        case COLOR_DEPTH_888:
 598                /* 8bit MSB aligned on 14 bit bus '11 1111 1100 0000' */
 599                clamp_max = 0x3FC0;
 600                break;
 601        case COLOR_DEPTH_101010:
 602                /* 10bit MSB aligned on 14 bit bus '11 1111 1111 0000' */
 603                clamp_max = 0x3FF0;
 604                break;
 605        case COLOR_DEPTH_121212:
 606                /* 12bit MSB aligned on 14 bit bus '11 1111 1111 1100' */
 607                clamp_max = 0x3FFC;
 608                break;
 609        default:
 610                clamp_max = 0x3FC0;
 611                BREAK_TO_DEBUGGER(); /* Invalid clamp bit depth */
 612        }
 613        REG_SET_2(OUT_CLAMP_CONTROL_B_CB, 0,
 614                        OUT_CLAMP_MIN_B_CB, 0,
 615                        OUT_CLAMP_MAX_B_CB, clamp_max);
 616
 617        REG_SET_2(OUT_CLAMP_CONTROL_G_Y, 0,
 618                        OUT_CLAMP_MIN_G_Y, 0,
 619                        OUT_CLAMP_MAX_G_Y, clamp_max);
 620
 621        REG_SET_2(OUT_CLAMP_CONTROL_R_CR, 0,
 622                        OUT_CLAMP_MIN_R_CR, 0,
 623                        OUT_CLAMP_MAX_R_CR, clamp_max);
 624}
 625
 626/*******************************************************************************
 627 * set_round
 628 *
 629 * @brief
 630 *     Programs Round/Truncate
 631 *
 632 * @param [in] mode  :round or truncate
 633 * @param [in] depth :bit depth to round/truncate to
 634 OUT_ROUND_TRUNC_MODE 3:0 0xA Output data round or truncate mode
 635 POSSIBLE VALUES:
 636      00 - truncate to u0.12
 637      01 - truncate to u0.11
 638      02 - truncate to u0.10
 639      03 - truncate to u0.9
 640      04 - truncate to u0.8
 641      05 - reserved
 642      06 - truncate to u0.14
 643      07 - truncate to u0.13            set_reg_field_value(
 644                        value,
 645                        clamp_max,
 646                        OUT_CLAMP_CONTROL_R_CR,
 647                        OUT_CLAMP_MAX_R_CR);
 648      08 - round to u0.12
 649      09 - round to u0.11
 650      10 - round to u0.10
 651      11 - round to u0.9
 652      12 - round to u0.8
 653      13 - reserved
 654      14 - round to u0.14
 655      15 - round to u0.13
 656
 657 ******************************************************************************/
 658static void set_round(
 659        struct dce_transform *xfm_dce,
 660        enum dcp_out_trunc_round_mode mode,
 661        enum dcp_out_trunc_round_depth depth)
 662{
 663        int depth_bits = 0;
 664        int mode_bit = 0;
 665
 666        /*  set up bit depth */
 667        switch (depth) {
 668        case DCP_OUT_TRUNC_ROUND_DEPTH_14BIT:
 669                depth_bits = 6;
 670                break;
 671        case DCP_OUT_TRUNC_ROUND_DEPTH_13BIT:
 672                depth_bits = 7;
 673                break;
 674        case DCP_OUT_TRUNC_ROUND_DEPTH_12BIT:
 675                depth_bits = 0;
 676                break;
 677        case DCP_OUT_TRUNC_ROUND_DEPTH_11BIT:
 678                depth_bits = 1;
 679                break;
 680        case DCP_OUT_TRUNC_ROUND_DEPTH_10BIT:
 681                depth_bits = 2;
 682                break;
 683        case DCP_OUT_TRUNC_ROUND_DEPTH_9BIT:
 684                depth_bits = 3;
 685                break;
 686        case DCP_OUT_TRUNC_ROUND_DEPTH_8BIT:
 687                depth_bits = 4;
 688                break;
 689        default:
 690                depth_bits = 4;
 691                BREAK_TO_DEBUGGER(); /* Invalid dcp_out_trunc_round_depth */
 692        }
 693
 694        /*  set up round or truncate */
 695        switch (mode) {
 696        case DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE:
 697                mode_bit = 0;
 698                break;
 699        case DCP_OUT_TRUNC_ROUND_MODE_ROUND:
 700                mode_bit = 1;
 701                break;
 702        default:
 703                BREAK_TO_DEBUGGER(); /* Invalid dcp_out_trunc_round_mode */
 704        }
 705
 706        depth_bits |= mode_bit << 3;
 707
 708        REG_SET(OUT_ROUND_CONTROL, 0, OUT_ROUND_TRUNC_MODE, depth_bits);
 709}
 710
 711/*****************************************************************************
 712 * set_dither
 713 *
 714 * @brief
 715 *     Programs Dither
 716 *
 717 * @param [in] dither_enable        : enable dither
 718 * @param [in] dither_mode           : dither mode to set
 719 * @param [in] dither_depth          : bit depth to dither to
 720 * @param [in] frame_random_enable    : enable frame random
 721 * @param [in] rgb_random_enable      : enable rgb random
 722 * @param [in] highpass_random_enable : enable highpass random
 723 *
 724 ******************************************************************************/
 725
 726static void set_dither(
 727        struct dce_transform *xfm_dce,
 728        bool dither_enable,
 729        enum dcp_spatial_dither_mode dither_mode,
 730        enum dcp_spatial_dither_depth dither_depth,
 731        bool frame_random_enable,
 732        bool rgb_random_enable,
 733        bool highpass_random_enable)
 734{
 735        int dither_depth_bits = 0;
 736        int dither_mode_bits = 0;
 737
 738        switch (dither_mode) {
 739        case DCP_SPATIAL_DITHER_MODE_AAAA:
 740                dither_mode_bits = 0;
 741                break;
 742        case DCP_SPATIAL_DITHER_MODE_A_AA_A:
 743                dither_mode_bits = 1;
 744                break;
 745        case DCP_SPATIAL_DITHER_MODE_AABBAABB:
 746                dither_mode_bits = 2;
 747                break;
 748        case DCP_SPATIAL_DITHER_MODE_AABBCCAABBCC:
 749                dither_mode_bits = 3;
 750                break;
 751        default:
 752                /* Invalid dcp_spatial_dither_mode */
 753                BREAK_TO_DEBUGGER();
 754        }
 755
 756        switch (dither_depth) {
 757        case DCP_SPATIAL_DITHER_DEPTH_30BPP:
 758                dither_depth_bits = 0;
 759                break;
 760        case DCP_SPATIAL_DITHER_DEPTH_24BPP:
 761                dither_depth_bits = 1;
 762                break;
 763        default:
 764                /* Invalid dcp_spatial_dither_depth */
 765                BREAK_TO_DEBUGGER();
 766        }
 767
 768        /*  write the register */
 769        REG_SET_6(DCP_SPATIAL_DITHER_CNTL, 0,
 770                        DCP_SPATIAL_DITHER_EN, dither_enable,
 771                        DCP_SPATIAL_DITHER_MODE, dither_mode_bits,
 772                        DCP_SPATIAL_DITHER_DEPTH, dither_depth_bits,
 773                        DCP_FRAME_RANDOM_ENABLE, frame_random_enable,
 774                        DCP_RGB_RANDOM_ENABLE, rgb_random_enable,
 775                        DCP_HIGHPASS_RANDOM_ENABLE, highpass_random_enable);
 776}
 777
 778/*****************************************************************************
 779 * dce_transform_bit_depth_reduction_program
 780 *
 781 * @brief
 782 *     Programs the DCP bit depth reduction registers (Clamp, Round/Truncate,
 783 *      Dither) for dce
 784 *
 785 * @param depth : bit depth to set the clamp to (should match denorm)
 786 *
 787 ******************************************************************************/
 788static void program_bit_depth_reduction(
 789        struct dce_transform *xfm_dce,
 790        enum dc_color_depth depth,
 791        const struct bit_depth_reduction_params *bit_depth_params)
 792{
 793        enum dcp_out_trunc_round_depth trunc_round_depth;
 794        enum dcp_out_trunc_round_mode trunc_mode;
 795        bool spatial_dither_enable;
 796
 797        ASSERT(depth <= COLOR_DEPTH_121212); /* Invalid clamp bit depth */
 798
 799        spatial_dither_enable = bit_depth_params->flags.SPATIAL_DITHER_ENABLED;
 800        /* Default to 12 bit truncation without rounding */
 801        trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
 802        trunc_mode = DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
 803
 804        if (bit_depth_params->flags.TRUNCATE_ENABLED) {
 805                /* Don't enable dithering if truncation is enabled */
 806                spatial_dither_enable = false;
 807                trunc_mode = bit_depth_params->flags.TRUNCATE_MODE ?
 808                             DCP_OUT_TRUNC_ROUND_MODE_ROUND :
 809                             DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
 810
 811                if (bit_depth_params->flags.TRUNCATE_DEPTH == 0 ||
 812                    bit_depth_params->flags.TRUNCATE_DEPTH == 1)
 813                        trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_8BIT;
 814                else if (bit_depth_params->flags.TRUNCATE_DEPTH == 2)
 815                        trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_10BIT;
 816                else {
 817                        /*
 818                         * Invalid truncate/round depth. Setting here to 12bit
 819                         * to prevent use-before-initialize errors.
 820                         */
 821                        trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
 822                        BREAK_TO_DEBUGGER();
 823                }
 824        }
 825
 826        set_clamp(xfm_dce, depth);
 827        set_round(xfm_dce, trunc_mode, trunc_round_depth);
 828        set_dither(xfm_dce,
 829                   spatial_dither_enable,
 830                   DCP_SPATIAL_DITHER_MODE_A_AA_A,
 831                   DCP_SPATIAL_DITHER_DEPTH_30BPP,
 832                   bit_depth_params->flags.FRAME_RANDOM,
 833                   bit_depth_params->flags.RGB_RANDOM,
 834                   bit_depth_params->flags.HIGHPASS_RANDOM);
 835}
 836
 837#if defined(CONFIG_DRM_AMD_DC_SI)
 838/*****************************************************************************
 839 * dce60_transform_bit_depth_reduction program
 840 *
 841 * @brief
 842 *     Programs the DCP bit depth reduction registers (Clamp, Round/Truncate,
 843 *      Dither) for dce
 844 *
 845 * @param depth : bit depth to set the clamp to (should match denorm)
 846 *
 847 ******************************************************************************/
 848static void dce60_program_bit_depth_reduction(
 849        struct dce_transform *xfm_dce,
 850        enum dc_color_depth depth,
 851        const struct bit_depth_reduction_params *bit_depth_params)
 852{
 853        enum dcp_out_trunc_round_depth trunc_round_depth;
 854        enum dcp_out_trunc_round_mode trunc_mode;
 855        bool spatial_dither_enable;
 856
 857        ASSERT(depth <= COLOR_DEPTH_121212); /* Invalid clamp bit depth */
 858
 859        spatial_dither_enable = bit_depth_params->flags.SPATIAL_DITHER_ENABLED;
 860        /* Default to 12 bit truncation without rounding */
 861        trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
 862        trunc_mode = DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
 863
 864        if (bit_depth_params->flags.TRUNCATE_ENABLED) {
 865                /* Don't enable dithering if truncation is enabled */
 866                spatial_dither_enable = false;
 867                trunc_mode = bit_depth_params->flags.TRUNCATE_MODE ?
 868                             DCP_OUT_TRUNC_ROUND_MODE_ROUND :
 869                             DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
 870
 871                if (bit_depth_params->flags.TRUNCATE_DEPTH == 0 ||
 872                    bit_depth_params->flags.TRUNCATE_DEPTH == 1)
 873                        trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_8BIT;
 874                else if (bit_depth_params->flags.TRUNCATE_DEPTH == 2)
 875                        trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_10BIT;
 876                else {
 877                        /*
 878                         * Invalid truncate/round depth. Setting here to 12bit
 879                         * to prevent use-before-initialize errors.
 880                         */
 881                        trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
 882                        BREAK_TO_DEBUGGER();
 883                }
 884        }
 885
 886        /* DCE6 has no OUT_CLAMP_CONTROL_* registers - set_clamp() is skipped */
 887        set_round(xfm_dce, trunc_mode, trunc_round_depth);
 888        set_dither(xfm_dce,
 889                   spatial_dither_enable,
 890                   DCP_SPATIAL_DITHER_MODE_A_AA_A,
 891                   DCP_SPATIAL_DITHER_DEPTH_30BPP,
 892                   bit_depth_params->flags.FRAME_RANDOM,
 893                   bit_depth_params->flags.RGB_RANDOM,
 894                   bit_depth_params->flags.HIGHPASS_RANDOM);
 895}
 896#endif
 897
 898static int dce_transform_get_max_num_of_supported_lines(
 899        struct dce_transform *xfm_dce,
 900        enum lb_pixel_depth depth,
 901        int pixel_width)
 902{
 903        int pixels_per_entries = 0;
 904        int max_pixels_supports = 0;
 905
 906        ASSERT(pixel_width);
 907
 908        /* Find number of pixels that can fit into a single LB entry and
 909         * take floor of the value since we cannot store a single pixel
 910         * across multiple entries. */
 911        switch (depth) {
 912        case LB_PIXEL_DEPTH_18BPP:
 913                pixels_per_entries = xfm_dce->lb_bits_per_entry / 18;
 914                break;
 915
 916        case LB_PIXEL_DEPTH_24BPP:
 917                pixels_per_entries = xfm_dce->lb_bits_per_entry / 24;
 918                break;
 919
 920        case LB_PIXEL_DEPTH_30BPP:
 921                pixels_per_entries = xfm_dce->lb_bits_per_entry / 30;
 922                break;
 923
 924        case LB_PIXEL_DEPTH_36BPP:
 925                pixels_per_entries = xfm_dce->lb_bits_per_entry / 36;
 926                break;
 927
 928        default:
 929                DC_LOG_WARNING("%s: Invalid LB pixel depth",
 930                        __func__);
 931                BREAK_TO_DEBUGGER();
 932                break;
 933        }
 934
 935        ASSERT(pixels_per_entries);
 936
 937        max_pixels_supports =
 938                        pixels_per_entries *
 939                        xfm_dce->lb_memory_size;
 940
 941        return (max_pixels_supports / pixel_width);
 942}
 943
 944static void set_denormalization(
 945        struct dce_transform *xfm_dce,
 946        enum dc_color_depth depth)
 947{
 948        int denorm_mode = 0;
 949
 950        switch (depth) {
 951        case COLOR_DEPTH_666:
 952                /* 63/64 for 6 bit output color depth */
 953                denorm_mode = 1;
 954                break;
 955        case COLOR_DEPTH_888:
 956                /* Unity for 8 bit output color depth
 957                 * because prescale is disabled by default */
 958                denorm_mode = 0;
 959                break;
 960        case COLOR_DEPTH_101010:
 961                /* 1023/1024 for 10 bit output color depth */
 962                denorm_mode = 3;
 963                break;
 964        case COLOR_DEPTH_121212:
 965                /* 4095/4096 for 12 bit output color depth */
 966                denorm_mode = 5;
 967                break;
 968        case COLOR_DEPTH_141414:
 969        case COLOR_DEPTH_161616:
 970        default:
 971                /* not valid used case! */
 972                break;
 973        }
 974
 975        REG_SET(DENORM_CONTROL, 0, DENORM_MODE, denorm_mode);
 976}
 977
 978static void dce_transform_set_pixel_storage_depth(
 979        struct transform *xfm,
 980        enum lb_pixel_depth depth,
 981        const struct bit_depth_reduction_params *bit_depth_params)
 982{
 983        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
 984        int pixel_depth, expan_mode;
 985        enum dc_color_depth color_depth;
 986
 987        switch (depth) {
 988        case LB_PIXEL_DEPTH_18BPP:
 989                color_depth = COLOR_DEPTH_666;
 990                pixel_depth = 2;
 991                expan_mode  = 1;
 992                break;
 993        case LB_PIXEL_DEPTH_24BPP:
 994                color_depth = COLOR_DEPTH_888;
 995                pixel_depth = 1;
 996                expan_mode  = 1;
 997                break;
 998        case LB_PIXEL_DEPTH_30BPP:
 999                color_depth = COLOR_DEPTH_101010;
1000                pixel_depth = 0;
1001                expan_mode  = 1;
1002                break;
1003        case LB_PIXEL_DEPTH_36BPP:
1004                color_depth = COLOR_DEPTH_121212;
1005                pixel_depth = 3;
1006                expan_mode  = 0;
1007                break;
1008        default:
1009                color_depth = COLOR_DEPTH_101010;
1010                pixel_depth = 0;
1011                expan_mode  = 1;
1012                BREAK_TO_DEBUGGER();
1013                break;
1014        }
1015
1016        set_denormalization(xfm_dce, color_depth);
1017        program_bit_depth_reduction(xfm_dce, color_depth, bit_depth_params);
1018
1019        REG_UPDATE_2(LB_DATA_FORMAT,
1020                        PIXEL_DEPTH, pixel_depth,
1021                        PIXEL_EXPAN_MODE, expan_mode);
1022
1023        if (!(xfm_dce->lb_pixel_depth_supported & depth)) {
1024                /*we should use unsupported capabilities
1025                 *  unless it is required by w/a*/
1026                DC_LOG_WARNING("%s: Capability not supported",
1027                        __func__);
1028        }
1029}
1030
1031#if defined(CONFIG_DRM_AMD_DC_SI)
1032static void dce60_transform_set_pixel_storage_depth(
1033        struct transform *xfm,
1034        enum lb_pixel_depth depth,
1035        const struct bit_depth_reduction_params *bit_depth_params)
1036{
1037        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1038        enum dc_color_depth color_depth;
1039
1040        switch (depth) {
1041        case LB_PIXEL_DEPTH_18BPP:
1042                color_depth = COLOR_DEPTH_666;
1043                break;
1044        case LB_PIXEL_DEPTH_24BPP:
1045                color_depth = COLOR_DEPTH_888;
1046                break;
1047        case LB_PIXEL_DEPTH_30BPP:
1048                color_depth = COLOR_DEPTH_101010;
1049                break;
1050        case LB_PIXEL_DEPTH_36BPP:
1051                color_depth = COLOR_DEPTH_121212;
1052                break;
1053        default:
1054                color_depth = COLOR_DEPTH_101010;
1055                BREAK_TO_DEBUGGER();
1056                break;
1057        }
1058
1059        set_denormalization(xfm_dce, color_depth);
1060        dce60_program_bit_depth_reduction(xfm_dce, color_depth, bit_depth_params);
1061
1062        /* DATA_FORMAT in DCE6 does not have PIXEL_DEPTH and PIXEL_EXPAN_MODE masks */
1063
1064        if (!(xfm_dce->lb_pixel_depth_supported & depth)) {
1065                /*we should use unsupported capabilities
1066                 *  unless it is required by w/a*/
1067                DC_LOG_WARNING("%s: Capability not supported",
1068                        __func__);
1069        }
1070}
1071#endif
1072
1073static void program_gamut_remap(
1074        struct dce_transform *xfm_dce,
1075        const uint16_t *reg_val)
1076{
1077        if (reg_val) {
1078                REG_SET_2(GAMUT_REMAP_C11_C12, 0,
1079                                GAMUT_REMAP_C11, reg_val[0],
1080                                GAMUT_REMAP_C12, reg_val[1]);
1081                REG_SET_2(GAMUT_REMAP_C13_C14, 0,
1082                                GAMUT_REMAP_C13, reg_val[2],
1083                                GAMUT_REMAP_C14, reg_val[3]);
1084                REG_SET_2(GAMUT_REMAP_C21_C22, 0,
1085                                GAMUT_REMAP_C21, reg_val[4],
1086                                GAMUT_REMAP_C22, reg_val[5]);
1087                REG_SET_2(GAMUT_REMAP_C23_C24, 0,
1088                                GAMUT_REMAP_C23, reg_val[6],
1089                                GAMUT_REMAP_C24, reg_val[7]);
1090                REG_SET_2(GAMUT_REMAP_C31_C32, 0,
1091                                GAMUT_REMAP_C31, reg_val[8],
1092                                GAMUT_REMAP_C32, reg_val[9]);
1093                REG_SET_2(GAMUT_REMAP_C33_C34, 0,
1094                                GAMUT_REMAP_C33, reg_val[10],
1095                                GAMUT_REMAP_C34, reg_val[11]);
1096
1097                REG_SET(GAMUT_REMAP_CONTROL, 0, GRPH_GAMUT_REMAP_MODE, 1);
1098        } else
1099                REG_SET(GAMUT_REMAP_CONTROL, 0, GRPH_GAMUT_REMAP_MODE, 0);
1100
1101}
1102
1103/*
1104 *****************************************************************************
1105 *  Function: dal_transform_wide_gamut_set_gamut_remap
1106 *
1107 *  @param [in] const struct xfm_grph_csc_adjustment *adjust
1108 *
1109 *  @return
1110 *     void
1111 *
1112 *  @note calculate and apply color temperature adjustment to in Rgb color space
1113 *
1114 *  @see
1115 *
1116 *****************************************************************************
1117 */
1118static void dce_transform_set_gamut_remap(
1119        struct transform *xfm,
1120        const struct xfm_grph_csc_adjustment *adjust)
1121{
1122        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1123        int i = 0;
1124
1125        if (adjust->gamut_adjust_type != GRAPHICS_GAMUT_ADJUST_TYPE_SW)
1126                /* Bypass if type is bypass or hw */
1127                program_gamut_remap(xfm_dce, NULL);
1128        else {
1129                struct fixed31_32 arr_matrix[GAMUT_MATRIX_SIZE];
1130                uint16_t arr_reg_val[GAMUT_MATRIX_SIZE];
1131
1132                for (i = 0; i < GAMUT_MATRIX_SIZE; i++)
1133                        arr_matrix[i] = adjust->temperature_matrix[i];
1134
1135                convert_float_matrix(
1136                        arr_reg_val, arr_matrix, GAMUT_MATRIX_SIZE);
1137
1138                program_gamut_remap(xfm_dce, arr_reg_val);
1139        }
1140}
1141
1142static uint32_t decide_taps(struct fixed31_32 ratio, uint32_t in_taps, bool chroma)
1143{
1144        uint32_t taps;
1145
1146        if (IDENTITY_RATIO(ratio)) {
1147                return 1;
1148        } else if (in_taps != 0) {
1149                taps = in_taps;
1150        } else {
1151                taps = 4;
1152        }
1153
1154        if (chroma) {
1155                taps /= 2;
1156                if (taps < 2)
1157                        taps = 2;
1158        }
1159
1160        return taps;
1161}
1162
1163
1164bool dce_transform_get_optimal_number_of_taps(
1165        struct transform *xfm,
1166        struct scaler_data *scl_data,
1167        const struct scaling_taps *in_taps)
1168{
1169        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1170        int pixel_width = scl_data->viewport.width;
1171        int max_num_of_lines;
1172
1173        if (xfm_dce->prescaler_on &&
1174                        (scl_data->viewport.width > scl_data->recout.width))
1175                pixel_width = scl_data->recout.width;
1176
1177        max_num_of_lines = dce_transform_get_max_num_of_supported_lines(
1178                xfm_dce,
1179                scl_data->lb_params.depth,
1180                pixel_width);
1181
1182        /* Fail if in_taps are impossible */
1183        if (in_taps->v_taps >= max_num_of_lines)
1184                return false;
1185
1186        /*
1187         * Set taps according to this policy (in this order)
1188         * - Use 1 for no scaling
1189         * - Use input taps
1190         * - Use 4 and reduce as required by line buffer size
1191         * - Decide chroma taps if chroma is scaled
1192         *
1193         * Ignore input chroma taps. Decide based on non-chroma
1194         */
1195        scl_data->taps.h_taps = decide_taps(scl_data->ratios.horz, in_taps->h_taps, false);
1196        scl_data->taps.v_taps = decide_taps(scl_data->ratios.vert, in_taps->v_taps, false);
1197        scl_data->taps.h_taps_c = decide_taps(scl_data->ratios.horz_c, in_taps->h_taps, true);
1198        scl_data->taps.v_taps_c = decide_taps(scl_data->ratios.vert_c, in_taps->v_taps, true);
1199
1200        if (!IDENTITY_RATIO(scl_data->ratios.vert)) {
1201                /* reduce v_taps if needed but ensure we have at least two */
1202                if (in_taps->v_taps == 0
1203                                && max_num_of_lines <= scl_data->taps.v_taps
1204                                && scl_data->taps.v_taps > 1) {
1205                        scl_data->taps.v_taps = max_num_of_lines - 1;
1206                }
1207
1208                if (scl_data->taps.v_taps <= 1)
1209                        return false;
1210        }
1211
1212        if (!IDENTITY_RATIO(scl_data->ratios.vert_c)) {
1213                /* reduce chroma v_taps if needed but ensure we have at least two */
1214                if (max_num_of_lines <= scl_data->taps.v_taps_c && scl_data->taps.v_taps_c > 1) {
1215                        scl_data->taps.v_taps_c = max_num_of_lines - 1;
1216                }
1217
1218                if (scl_data->taps.v_taps_c <= 1)
1219                        return false;
1220        }
1221
1222        /* we've got valid taps */
1223        return true;
1224}
1225
1226static void dce_transform_reset(struct transform *xfm)
1227{
1228        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1229
1230        xfm_dce->filter_h = NULL;
1231        xfm_dce->filter_v = NULL;
1232}
1233
1234static void program_color_matrix(
1235        struct dce_transform *xfm_dce,
1236        const struct out_csc_color_matrix *tbl_entry,
1237        enum grph_color_adjust_option options)
1238{
1239        {
1240                REG_SET_2(OUTPUT_CSC_C11_C12, 0,
1241                        OUTPUT_CSC_C11, tbl_entry->regval[0],
1242                        OUTPUT_CSC_C12, tbl_entry->regval[1]);
1243        }
1244        {
1245                REG_SET_2(OUTPUT_CSC_C13_C14, 0,
1246                        OUTPUT_CSC_C11, tbl_entry->regval[2],
1247                        OUTPUT_CSC_C12, tbl_entry->regval[3]);
1248        }
1249        {
1250                REG_SET_2(OUTPUT_CSC_C21_C22, 0,
1251                        OUTPUT_CSC_C11, tbl_entry->regval[4],
1252                        OUTPUT_CSC_C12, tbl_entry->regval[5]);
1253        }
1254        {
1255                REG_SET_2(OUTPUT_CSC_C23_C24, 0,
1256                        OUTPUT_CSC_C11, tbl_entry->regval[6],
1257                        OUTPUT_CSC_C12, tbl_entry->regval[7]);
1258        }
1259        {
1260                REG_SET_2(OUTPUT_CSC_C31_C32, 0,
1261                        OUTPUT_CSC_C11, tbl_entry->regval[8],
1262                        OUTPUT_CSC_C12, tbl_entry->regval[9]);
1263        }
1264        {
1265                REG_SET_2(OUTPUT_CSC_C33_C34, 0,
1266                        OUTPUT_CSC_C11, tbl_entry->regval[10],
1267                        OUTPUT_CSC_C12, tbl_entry->regval[11]);
1268        }
1269}
1270
1271static bool configure_graphics_mode(
1272        struct dce_transform *xfm_dce,
1273        enum csc_color_mode config,
1274        enum graphics_csc_adjust_type csc_adjust_type,
1275        enum dc_color_space color_space)
1276{
1277        REG_SET(OUTPUT_CSC_CONTROL, 0,
1278                OUTPUT_CSC_GRPH_MODE, 0);
1279
1280        if (csc_adjust_type == GRAPHICS_CSC_ADJUST_TYPE_SW) {
1281                if (config == CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC) {
1282                        REG_SET(OUTPUT_CSC_CONTROL, 0,
1283                                OUTPUT_CSC_GRPH_MODE, 4);
1284                } else {
1285
1286                        switch (color_space) {
1287                        case COLOR_SPACE_SRGB:
1288                                /* by pass */
1289                                REG_SET(OUTPUT_CSC_CONTROL, 0,
1290                                        OUTPUT_CSC_GRPH_MODE, 0);
1291                                break;
1292                        case COLOR_SPACE_SRGB_LIMITED:
1293                                /* TV RGB */
1294                                REG_SET(OUTPUT_CSC_CONTROL, 0,
1295                                        OUTPUT_CSC_GRPH_MODE, 1);
1296                                break;
1297                        case COLOR_SPACE_YCBCR601:
1298                        case COLOR_SPACE_YCBCR601_LIMITED:
1299                                /* YCbCr601 */
1300                                REG_SET(OUTPUT_CSC_CONTROL, 0,
1301                                        OUTPUT_CSC_GRPH_MODE, 2);
1302                                break;
1303                        case COLOR_SPACE_YCBCR709:
1304                        case COLOR_SPACE_YCBCR709_LIMITED:
1305                                /* YCbCr709 */
1306                                REG_SET(OUTPUT_CSC_CONTROL, 0,
1307                                        OUTPUT_CSC_GRPH_MODE, 3);
1308                                break;
1309                        default:
1310                                return false;
1311                        }
1312                }
1313        } else if (csc_adjust_type == GRAPHICS_CSC_ADJUST_TYPE_HW) {
1314                switch (color_space) {
1315                case COLOR_SPACE_SRGB:
1316                        /* by pass */
1317                        REG_SET(OUTPUT_CSC_CONTROL, 0,
1318                                OUTPUT_CSC_GRPH_MODE, 0);
1319                        break;
1320                case COLOR_SPACE_SRGB_LIMITED:
1321                        /* TV RGB */
1322                        REG_SET(OUTPUT_CSC_CONTROL, 0,
1323                                OUTPUT_CSC_GRPH_MODE, 1);
1324                        break;
1325                case COLOR_SPACE_YCBCR601:
1326                case COLOR_SPACE_YCBCR601_LIMITED:
1327                        /* YCbCr601 */
1328                        REG_SET(OUTPUT_CSC_CONTROL, 0,
1329                                OUTPUT_CSC_GRPH_MODE, 2);
1330                        break;
1331                case COLOR_SPACE_YCBCR709:
1332                case COLOR_SPACE_YCBCR709_LIMITED:
1333                         /* YCbCr709 */
1334                        REG_SET(OUTPUT_CSC_CONTROL, 0,
1335                                OUTPUT_CSC_GRPH_MODE, 3);
1336                        break;
1337                default:
1338                        return false;
1339                }
1340
1341        } else
1342                /* by pass */
1343                REG_SET(OUTPUT_CSC_CONTROL, 0,
1344                        OUTPUT_CSC_GRPH_MODE, 0);
1345
1346        return true;
1347}
1348
1349void dce110_opp_set_csc_adjustment(
1350        struct transform *xfm,
1351        const struct out_csc_color_matrix *tbl_entry)
1352{
1353        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1354        enum csc_color_mode config =
1355                        CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC;
1356
1357        program_color_matrix(
1358                        xfm_dce, tbl_entry, GRPH_COLOR_MATRIX_SW);
1359
1360        /*  We did everything ,now program DxOUTPUT_CSC_CONTROL */
1361        configure_graphics_mode(xfm_dce, config, GRAPHICS_CSC_ADJUST_TYPE_SW,
1362                        tbl_entry->color_space);
1363}
1364
1365void dce110_opp_set_csc_default(
1366        struct transform *xfm,
1367        const struct default_adjustment *default_adjust)
1368{
1369        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1370        enum csc_color_mode config =
1371                        CSC_COLOR_MODE_GRAPHICS_PREDEFINED;
1372
1373        if (default_adjust->force_hw_default == false) {
1374                const struct out_csc_color_matrix *elm;
1375                /* currently parameter not in use */
1376                enum grph_color_adjust_option option =
1377                        GRPH_COLOR_MATRIX_HW_DEFAULT;
1378                uint32_t i;
1379                /*
1380                 * HW default false we program locally defined matrix
1381                 * HW default true  we use predefined hw matrix and we
1382                 * do not need to program matrix
1383                 * OEM wants the HW default via runtime parameter.
1384                 */
1385                option = GRPH_COLOR_MATRIX_SW;
1386
1387                for (i = 0; i < ARRAY_SIZE(global_color_matrix); ++i) {
1388                        elm = &global_color_matrix[i];
1389                        if (elm->color_space != default_adjust->out_color_space)
1390                                continue;
1391                        /* program the matrix with default values from this
1392                         * file */
1393                        program_color_matrix(xfm_dce, elm, option);
1394                        config = CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC;
1395                        break;
1396                }
1397        }
1398
1399        /* configure the what we programmed :
1400         * 1. Default values from this file
1401         * 2. Use hardware default from ROM_A and we do not need to program
1402         * matrix */
1403
1404        configure_graphics_mode(xfm_dce, config,
1405                default_adjust->csc_adjust_type,
1406                default_adjust->out_color_space);
1407}
1408
1409static void program_pwl(struct dce_transform *xfm_dce,
1410                        const struct pwl_params *params)
1411{
1412        int retval;
1413        uint8_t max_tries = 10;
1414        uint8_t counter = 0;
1415        uint32_t i = 0;
1416        const struct pwl_result_data *rgb = params->rgb_resulted;
1417
1418        /* Power on LUT memory */
1419        if (REG(DCFE_MEM_PWR_CTRL))
1420                REG_UPDATE(DCFE_MEM_PWR_CTRL,
1421                           DCP_REGAMMA_MEM_PWR_DIS, 1);
1422        else
1423                REG_UPDATE(DCFE_MEM_LIGHT_SLEEP_CNTL,
1424                           REGAMMA_LUT_LIGHT_SLEEP_DIS, 1);
1425
1426        while (counter < max_tries) {
1427                if (REG(DCFE_MEM_PWR_STATUS)) {
1428                        REG_GET(DCFE_MEM_PWR_STATUS,
1429                                DCP_REGAMMA_MEM_PWR_STATE,
1430                                &retval);
1431
1432                        if (retval == 0)
1433                                break;
1434                        ++counter;
1435                } else {
1436                        REG_GET(DCFE_MEM_LIGHT_SLEEP_CNTL,
1437                                REGAMMA_LUT_MEM_PWR_STATE,
1438                                &retval);
1439
1440                        if (retval == 0)
1441                                break;
1442                        ++counter;
1443                }
1444        }
1445
1446        if (counter == max_tries) {
1447                DC_LOG_WARNING("%s: regamma lut was not powered on "
1448                                "in a timely manner,"
1449                                " programming still proceeds\n",
1450                                __func__);
1451        }
1452
1453        REG_UPDATE(REGAMMA_LUT_WRITE_EN_MASK,
1454                   REGAMMA_LUT_WRITE_EN_MASK, 7);
1455
1456        REG_WRITE(REGAMMA_LUT_INDEX, 0);
1457
1458        /* Program REGAMMA_LUT_DATA */
1459        while (i != params->hw_points_num) {
1460
1461                REG_WRITE(REGAMMA_LUT_DATA, rgb->red_reg);
1462                REG_WRITE(REGAMMA_LUT_DATA, rgb->green_reg);
1463                REG_WRITE(REGAMMA_LUT_DATA, rgb->blue_reg);
1464                REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_red_reg);
1465                REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_green_reg);
1466                REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_blue_reg);
1467
1468                ++rgb;
1469                ++i;
1470        }
1471
1472        /*  we are done with DCP LUT memory; re-enable low power mode */
1473        if (REG(DCFE_MEM_PWR_CTRL))
1474                REG_UPDATE(DCFE_MEM_PWR_CTRL,
1475                           DCP_REGAMMA_MEM_PWR_DIS, 0);
1476        else
1477                REG_UPDATE(DCFE_MEM_LIGHT_SLEEP_CNTL,
1478                           REGAMMA_LUT_LIGHT_SLEEP_DIS, 0);
1479}
1480
1481static void regamma_config_regions_and_segments(struct dce_transform *xfm_dce,
1482                                                const struct pwl_params *params)
1483{
1484        const struct gamma_curve *curve;
1485
1486        REG_SET_2(REGAMMA_CNTLA_START_CNTL, 0,
1487                  REGAMMA_CNTLA_EXP_REGION_START, params->arr_points[0].custom_float_x,
1488                  REGAMMA_CNTLA_EXP_REGION_START_SEGMENT, 0);
1489
1490        REG_SET(REGAMMA_CNTLA_SLOPE_CNTL, 0,
1491                REGAMMA_CNTLA_EXP_REGION_LINEAR_SLOPE, params->arr_points[0].custom_float_slope);
1492
1493        REG_SET(REGAMMA_CNTLA_END_CNTL1, 0,
1494                REGAMMA_CNTLA_EXP_REGION_END, params->arr_points[1].custom_float_x);
1495
1496        REG_SET_2(REGAMMA_CNTLA_END_CNTL2, 0,
1497                  REGAMMA_CNTLA_EXP_REGION_END_BASE, params->arr_points[1].custom_float_y,
1498                  REGAMMA_CNTLA_EXP_REGION_END_SLOPE, params->arr_points[1].custom_float_slope);
1499
1500        curve = params->arr_curve_points;
1501
1502        REG_SET_4(REGAMMA_CNTLA_REGION_0_1, 0,
1503                  REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1504                  REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1505                  REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1506                  REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1507        curve += 2;
1508
1509        REG_SET_4(REGAMMA_CNTLA_REGION_2_3, 0,
1510                  REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1511                  REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1512                  REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1513                  REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1514        curve += 2;
1515
1516        REG_SET_4(REGAMMA_CNTLA_REGION_4_5, 0,
1517                  REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1518                  REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1519                  REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1520                  REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1521        curve += 2;
1522
1523        REG_SET_4(REGAMMA_CNTLA_REGION_6_7, 0,
1524                  REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1525                  REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1526                  REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1527                  REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1528        curve += 2;
1529
1530        REG_SET_4(REGAMMA_CNTLA_REGION_8_9, 0,
1531                  REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1532                  REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1533                  REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1534                  REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1535        curve += 2;
1536
1537        REG_SET_4(REGAMMA_CNTLA_REGION_10_11, 0,
1538                  REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1539                  REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1540                  REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1541                  REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1542        curve += 2;
1543
1544        REG_SET_4(REGAMMA_CNTLA_REGION_12_13, 0,
1545                  REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1546                  REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1547                  REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1548                  REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1549        curve += 2;
1550
1551        REG_SET_4(REGAMMA_CNTLA_REGION_14_15, 0,
1552                  REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1553                  REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1554                  REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1555                  REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1556}
1557
1558
1559
1560void dce110_opp_program_regamma_pwl(struct transform *xfm,
1561                                    const struct pwl_params *params)
1562{
1563        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1564
1565        /* Setup regions */
1566        regamma_config_regions_and_segments(xfm_dce, params);
1567
1568        /* Program PWL */
1569        program_pwl(xfm_dce, params);
1570}
1571
1572void dce110_opp_power_on_regamma_lut(struct transform *xfm,
1573                                     bool power_on)
1574{
1575        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1576
1577        if (REG(DCFE_MEM_PWR_CTRL))
1578                REG_UPDATE_2(DCFE_MEM_PWR_CTRL,
1579                             DCP_REGAMMA_MEM_PWR_DIS, power_on,
1580                             DCP_LUT_MEM_PWR_DIS, power_on);
1581        else
1582                REG_UPDATE_2(DCFE_MEM_LIGHT_SLEEP_CNTL,
1583                            REGAMMA_LUT_LIGHT_SLEEP_DIS, power_on,
1584                            DCP_LUT_LIGHT_SLEEP_DIS, power_on);
1585
1586}
1587
1588void dce110_opp_set_regamma_mode(struct transform *xfm,
1589                                 enum opp_regamma mode)
1590{
1591        struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
1592
1593        REG_SET(REGAMMA_CONTROL, 0,
1594                GRPH_REGAMMA_MODE, mode);
1595}
1596
1597static const struct transform_funcs dce_transform_funcs = {
1598        .transform_reset = dce_transform_reset,
1599        .transform_set_scaler = dce_transform_set_scaler,
1600        .transform_set_gamut_remap = dce_transform_set_gamut_remap,
1601        .opp_set_csc_adjustment = dce110_opp_set_csc_adjustment,
1602        .opp_set_csc_default = dce110_opp_set_csc_default,
1603        .opp_power_on_regamma_lut = dce110_opp_power_on_regamma_lut,
1604        .opp_program_regamma_pwl = dce110_opp_program_regamma_pwl,
1605        .opp_set_regamma_mode = dce110_opp_set_regamma_mode,
1606        .transform_set_pixel_storage_depth = dce_transform_set_pixel_storage_depth,
1607        .transform_get_optimal_number_of_taps = dce_transform_get_optimal_number_of_taps
1608};
1609
1610#if defined(CONFIG_DRM_AMD_DC_SI)
1611static const struct transform_funcs dce60_transform_funcs = {
1612        .transform_reset = dce_transform_reset,
1613        .transform_set_scaler = dce60_transform_set_scaler,
1614        .transform_set_gamut_remap = dce_transform_set_gamut_remap,
1615        .opp_set_csc_adjustment = dce110_opp_set_csc_adjustment,
1616        .opp_set_csc_default = dce110_opp_set_csc_default,
1617        .opp_power_on_regamma_lut = dce110_opp_power_on_regamma_lut,
1618        .opp_program_regamma_pwl = dce110_opp_program_regamma_pwl,
1619        .opp_set_regamma_mode = dce110_opp_set_regamma_mode,
1620        .transform_set_pixel_storage_depth = dce60_transform_set_pixel_storage_depth,
1621        .transform_get_optimal_number_of_taps = dce_transform_get_optimal_number_of_taps
1622};
1623#endif
1624
1625/*****************************************/
1626/* Constructor, Destructor               */
1627/*****************************************/
1628
1629void dce_transform_construct(
1630        struct dce_transform *xfm_dce,
1631        struct dc_context *ctx,
1632        uint32_t inst,
1633        const struct dce_transform_registers *regs,
1634        const struct dce_transform_shift *xfm_shift,
1635        const struct dce_transform_mask *xfm_mask)
1636{
1637        xfm_dce->base.ctx = ctx;
1638
1639        xfm_dce->base.inst = inst;
1640        xfm_dce->base.funcs = &dce_transform_funcs;
1641
1642        xfm_dce->regs = regs;
1643        xfm_dce->xfm_shift = xfm_shift;
1644        xfm_dce->xfm_mask = xfm_mask;
1645
1646        xfm_dce->prescaler_on = true;
1647        xfm_dce->lb_pixel_depth_supported =
1648                        LB_PIXEL_DEPTH_18BPP |
1649                        LB_PIXEL_DEPTH_24BPP |
1650                        LB_PIXEL_DEPTH_30BPP |
1651                        LB_PIXEL_DEPTH_36BPP;
1652
1653        xfm_dce->lb_bits_per_entry = LB_BITS_PER_ENTRY;
1654        xfm_dce->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x6B0*/
1655}
1656
1657#if defined(CONFIG_DRM_AMD_DC_SI)
1658void dce60_transform_construct(
1659        struct dce_transform *xfm_dce,
1660        struct dc_context *ctx,
1661        uint32_t inst,
1662        const struct dce_transform_registers *regs,
1663        const struct dce_transform_shift *xfm_shift,
1664        const struct dce_transform_mask *xfm_mask)
1665{
1666        xfm_dce->base.ctx = ctx;
1667
1668        xfm_dce->base.inst = inst;
1669        xfm_dce->base.funcs = &dce60_transform_funcs;
1670
1671        xfm_dce->regs = regs;
1672        xfm_dce->xfm_shift = xfm_shift;
1673        xfm_dce->xfm_mask = xfm_mask;
1674
1675        xfm_dce->prescaler_on = true;
1676        xfm_dce->lb_pixel_depth_supported =
1677                        LB_PIXEL_DEPTH_18BPP |
1678                        LB_PIXEL_DEPTH_24BPP |
1679                        LB_PIXEL_DEPTH_30BPP |
1680                        LB_PIXEL_DEPTH_36BPP;
1681
1682        xfm_dce->lb_bits_per_entry = LB_BITS_PER_ENTRY;
1683        xfm_dce->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x6B0*/
1684}
1685#endif
1686