root/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c

DEFINITIONS

1. program_gamut_remap
2. dpp1_cm_set_gamut_remap
3. dpp1_cm_program_color_matrix
4. dpp1_cm_set_output_csc_default
5. dpp1_cm_get_reg_field
6. dpp1_cm_get_degamma_reg_field
7. dpp1_cm_set_output_csc_adjustment
8. dpp1_cm_power_on_regamma_lut
9. dpp1_cm_program_regamma_lut
10. dpp1_cm_configure_regamma_lut
11. dpp1_cm_program_regamma_luta_settings
12. dpp1_cm_program_regamma_lutb_settings
13. dpp1_program_input_csc
14. dpp1_program_bias_and_scale
15. dpp1_program_degamma_lutb_settings
16. dpp1_program_degamma_luta_settings
17. dpp1_power_on_degamma_lut
18. dpp1_enable_cm_block
19. dpp1_set_degamma
20. dpp1_degamma_ram_select
21. dpp1_degamma_ram_inuse
22. dpp1_program_degamma_lut
23. dpp1_set_degamma_pwl
24. dpp1_full_bypass
25. dpp1_ingamma_ram_inuse
26. dpp1_program_input_lut
27. dpp1_set_hdr_multiplier

   1 /*
   2  * Copyright 2016 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: AMD
  23  *
  24  */
  25 
  26 #include "dm_services.h"
  27 
  28 #include "core_types.h"
  29 
  30 #include "reg_helper.h"
  31 #include "dcn10_dpp.h"
  32 #include "basics/conversion.h"
  33 #include "dcn10_cm_common.h"
  34 
  35 #define NUM_PHASES    64
  36 #define HORZ_MAX_TAPS 8
  37 #define VERT_MAX_TAPS 8
  38 
  39 #define BLACK_OFFSET_RGB_Y 0x0
  40 #define BLACK_OFFSET_CBCR  0x8000
  41 
  42 #define REG(reg)\
  43         dpp->tf_regs->reg
  44 
  45 #define CTX \
  46         dpp->base.ctx
  47 
  48 #undef FN
  49 #define FN(reg_name, field_name) \
  50         dpp->tf_shift->field_name, dpp->tf_mask->field_name
  51 
  52 #define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
  53 
  54 
  55 enum dcn10_coef_filter_type_sel {
  56         SCL_COEF_LUMA_VERT_FILTER = 0,
  57         SCL_COEF_LUMA_HORZ_FILTER = 1,
  58         SCL_COEF_CHROMA_VERT_FILTER = 2,
  59         SCL_COEF_CHROMA_HORZ_FILTER = 3,
  60         SCL_COEF_ALPHA_VERT_FILTER = 4,
  61         SCL_COEF_ALPHA_HORZ_FILTER = 5
  62 };
  63 
  64 enum dscl_autocal_mode {
  65         AUTOCAL_MODE_OFF = 0,
  66 
  67         /* Autocal calculate the scaling ratio and initial phase and the
  68          * DSCL_MODE_SEL must be set to 1
  69          */
  70         AUTOCAL_MODE_AUTOSCALE = 1,
  71         /* Autocal perform auto centering without replication and the
  72          * DSCL_MODE_SEL must be set to 0
  73          */
  74         AUTOCAL_MODE_AUTOCENTER = 2,
  75         /* Autocal perform auto centering and auto replication and the
  76          * DSCL_MODE_SEL must be set to 0
  77          */
  78         AUTOCAL_MODE_AUTOREPLICATE = 3
  79 };
  80 
  81 enum dscl_mode_sel {
  82         DSCL_MODE_SCALING_444_BYPASS = 0,
  83         DSCL_MODE_SCALING_444_RGB_ENABLE = 1,
  84         DSCL_MODE_SCALING_444_YCBCR_ENABLE = 2,
  85         DSCL_MODE_SCALING_420_YCBCR_ENABLE = 3,
  86         DSCL_MODE_SCALING_420_LUMA_BYPASS = 4,
  87         DSCL_MODE_SCALING_420_CHROMA_BYPASS = 5,
  88         DSCL_MODE_DSCL_BYPASS = 6
  89 };
  90 
  91 static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = {
  92         {COLOR_SPACE_SRGB,
  93                 {0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
  94         {COLOR_SPACE_SRGB_LIMITED,
  95                 {0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
  96         {COLOR_SPACE_YCBCR601,
  97                 {0x2cdd, 0x2000, 0, 0xe991, 0xe926, 0x2000, 0xf4fd, 0x10ef,
  98                                                 0, 0x2000, 0x38b4, 0xe3a6} },
  99         {COLOR_SPACE_YCBCR601_LIMITED,
 100                 {0x3353, 0x2568, 0, 0xe400, 0xe5dc, 0x2568, 0xf367, 0x1108,
 101                                                 0, 0x2568, 0x40de, 0xdd3a} },
 102         {COLOR_SPACE_YCBCR709,
 103                 {0x3265, 0x2000, 0, 0xe6ce, 0xf105, 0x2000, 0xfa01, 0xa7d, 0,
 104                                                 0x2000, 0x3b61, 0xe24f} },
 105 
 106         {COLOR_SPACE_YCBCR709_LIMITED,
 107                 {0x39a6, 0x2568, 0, 0xe0d6, 0xeedd, 0x2568, 0xf925, 0x9a8, 0,
 108                                                 0x2568, 0x43ee, 0xdbb2} }
 109 };
 110 
 111 static void program_gamut_remap(
 112                 struct dcn10_dpp *dpp,
 113                 const uint16_t *regval,
 114                 enum gamut_remap_select select)
 115 {
 116         uint16_t selection = 0;
 117         struct color_matrices_reg gam_regs;
 118 
 119         if (regval == NULL || select == GAMUT_REMAP_BYPASS) {
 120                 REG_SET(CM_GAMUT_REMAP_CONTROL, 0,
 121                                 CM_GAMUT_REMAP_MODE, 0);
 122                 return;
 123         }
 124         switch (select) {
 125         case GAMUT_REMAP_COEFF:
 126                 selection = 1;
 127                 break;
 128         case GAMUT_REMAP_COMA_COEFF:
 129                 selection = 2;
 130                 break;
 131         case GAMUT_REMAP_COMB_COEFF:
 132                 selection = 3;
 133                 break;
 134         default:
 135                 break;
 136         }
 137 
 138         gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_GAMUT_REMAP_C11;
 139         gam_regs.masks.csc_c11  = dpp->tf_mask->CM_GAMUT_REMAP_C11;
 140         gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_GAMUT_REMAP_C12;
 141         gam_regs.masks.csc_c12 = dpp->tf_mask->CM_GAMUT_REMAP_C12;
 142 
 143 
 144         if (select == GAMUT_REMAP_COEFF) {
 145                 gam_regs.csc_c11_c12 = REG(CM_GAMUT_REMAP_C11_C12);
 146                 gam_regs.csc_c33_c34 = REG(CM_GAMUT_REMAP_C33_C34);
 147 
 148                 cm_helper_program_color_matrices(
 149                                 dpp->base.ctx,
 150                                 regval,
 151                                 &gam_regs);
 152 
 153         } else  if (select == GAMUT_REMAP_COMA_COEFF) {
 154 
 155                 gam_regs.csc_c11_c12 = REG(CM_COMA_C11_C12);
 156                 gam_regs.csc_c33_c34 = REG(CM_COMA_C33_C34);
 157 
 158                 cm_helper_program_color_matrices(
 159                                 dpp->base.ctx,
 160                                 regval,
 161                                 &gam_regs);
 162 
 163         } else {
 164 
 165                 gam_regs.csc_c11_c12 = REG(CM_COMB_C11_C12);
 166                 gam_regs.csc_c33_c34 = REG(CM_COMB_C33_C34);
 167 
 168                 cm_helper_program_color_matrices(
 169                                 dpp->base.ctx,
 170                                 regval,
 171                                 &gam_regs);
 172         }
 173 
 174         REG_SET(
 175                         CM_GAMUT_REMAP_CONTROL, 0,
 176                         CM_GAMUT_REMAP_MODE, selection);
 177 
 178 }
 179 
 180 void dpp1_cm_set_gamut_remap(
 181         struct dpp *dpp_base,
 182         const struct dpp_grph_csc_adjustment *adjust)
 183 {
 184         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 185         int i = 0;
 186 
 187         if (adjust->gamut_adjust_type != GRAPHICS_GAMUT_ADJUST_TYPE_SW)
 188                 /* Bypass if type is bypass or hw */
 189                 program_gamut_remap(dpp, NULL, GAMUT_REMAP_BYPASS);
 190         else {
 191                 struct fixed31_32 arr_matrix[12];
 192                 uint16_t arr_reg_val[12];
 193 
 194                 for (i = 0; i < 12; i++)
 195                         arr_matrix[i] = adjust->temperature_matrix[i];
 196 
 197                 convert_float_matrix(
 198                         arr_reg_val, arr_matrix, 12);
 199 
 200                 program_gamut_remap(dpp, arr_reg_val, GAMUT_REMAP_COEFF);
 201         }
 202 }
 203 
 204 static void dpp1_cm_program_color_matrix(
 205                 struct dcn10_dpp *dpp,
 206                 const uint16_t *regval)
 207 {
 208         uint32_t ocsc_mode;
 209         uint32_t cur_mode;
 210         struct color_matrices_reg gam_regs;
 211 
 212         if (regval == NULL) {
 213                 BREAK_TO_DEBUGGER();
 214                 return;
 215         }
 216 
 217         /* determine which CSC matrix (ocsc or comb) we are using
 218          * currently.  select the alternate set to double buffer
 219          * the CSC update so CSC is updated on frame boundary
 220          */
 221         REG_SET(CM_TEST_DEBUG_INDEX, 0,
 222                         CM_TEST_DEBUG_INDEX, 9);
 223 
 224         REG_GET(CM_TEST_DEBUG_DATA,
 225                         CM_TEST_DEBUG_DATA_ID9_OCSC_MODE, &cur_mode);
 226 
 227         if (cur_mode != 4)
 228                 ocsc_mode = 4;
 229         else
 230                 ocsc_mode = 5;
 231 
 232 
 233         gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_OCSC_C11;
 234         gam_regs.masks.csc_c11  = dpp->tf_mask->CM_OCSC_C11;
 235         gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_OCSC_C12;
 236         gam_regs.masks.csc_c12 = dpp->tf_mask->CM_OCSC_C12;
 237 
 238         if (ocsc_mode == 4) {
 239 
 240                 gam_regs.csc_c11_c12 = REG(CM_OCSC_C11_C12);
 241                 gam_regs.csc_c33_c34 = REG(CM_OCSC_C33_C34);
 242 
 243         } else {
 244 
 245                 gam_regs.csc_c11_c12 = REG(CM_COMB_C11_C12);
 246                 gam_regs.csc_c33_c34 = REG(CM_COMB_C33_C34);
 247 
 248         }
 249 
 250         cm_helper_program_color_matrices(
 251                         dpp->base.ctx,
 252                         regval,
 253                         &gam_regs);
 254 
 255         REG_SET(CM_OCSC_CONTROL, 0, CM_OCSC_MODE, ocsc_mode);
 256 
 257 }
 258 
 259 void dpp1_cm_set_output_csc_default(
 260                 struct dpp *dpp_base,
 261                 enum dc_color_space colorspace)
 262 {
 263         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 264         const uint16_t *regval = NULL;
 265         int arr_size;
 266 
 267         regval = find_color_matrix(colorspace, &arr_size);
 268         if (regval == NULL) {
 269                 BREAK_TO_DEBUGGER();
 270                 return;
 271         }
 272 
 273         dpp1_cm_program_color_matrix(dpp, regval);
 274 }
 275 
 276 static void dpp1_cm_get_reg_field(
 277                 struct dcn10_dpp *dpp,
 278                 struct xfer_func_reg *reg)
 279 {
 280         reg->shifts.exp_region0_lut_offset = dpp->tf_shift->CM_RGAM_RAMA_EXP_REGION0_LUT_OFFSET;
 281         reg->masks.exp_region0_lut_offset = dpp->tf_mask->CM_RGAM_RAMA_EXP_REGION0_LUT_OFFSET;
 282         reg->shifts.exp_region0_num_segments = dpp->tf_shift->CM_RGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
 283         reg->masks.exp_region0_num_segments = dpp->tf_mask->CM_RGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
 284         reg->shifts.exp_region1_lut_offset = dpp->tf_shift->CM_RGAM_RAMA_EXP_REGION1_LUT_OFFSET;
 285         reg->masks.exp_region1_lut_offset = dpp->tf_mask->CM_RGAM_RAMA_EXP_REGION1_LUT_OFFSET;
 286         reg->shifts.exp_region1_num_segments = dpp->tf_shift->CM_RGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
 287         reg->masks.exp_region1_num_segments = dpp->tf_mask->CM_RGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
 288 
 289         reg->shifts.field_region_end = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_END_B;
 290         reg->masks.field_region_end = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_END_B;
 291         reg->shifts.field_region_end_slope = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_END_SLOPE_B;
 292         reg->masks.field_region_end_slope = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_END_SLOPE_B;
 293         reg->shifts.field_region_end_base = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_END_BASE_B;
 294         reg->masks.field_region_end_base = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_END_BASE_B;
 295         reg->shifts.field_region_linear_slope = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B;
 296         reg->masks.field_region_linear_slope = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B;
 297         reg->shifts.exp_region_start = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_START_B;
 298         reg->masks.exp_region_start = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_START_B;
 299         reg->shifts.exp_resion_start_segment = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_START_SEGMENT_B;
 300         reg->masks.exp_resion_start_segment = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_START_SEGMENT_B;
 301 }
 302 
 303 static void dpp1_cm_get_degamma_reg_field(
 304                 struct dcn10_dpp *dpp,
 305                 struct xfer_func_reg *reg)
 306 {
 307         reg->shifts.exp_region0_lut_offset = dpp->tf_shift->CM_DGAM_RAMA_EXP_REGION0_LUT_OFFSET;
 308         reg->masks.exp_region0_lut_offset = dpp->tf_mask->CM_DGAM_RAMA_EXP_REGION0_LUT_OFFSET;
 309         reg->shifts.exp_region0_num_segments = dpp->tf_shift->CM_DGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
 310         reg->masks.exp_region0_num_segments = dpp->tf_mask->CM_DGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
 311         reg->shifts.exp_region1_lut_offset = dpp->tf_shift->CM_DGAM_RAMA_EXP_REGION1_LUT_OFFSET;
 312         reg->masks.exp_region1_lut_offset = dpp->tf_mask->CM_DGAM_RAMA_EXP_REGION1_LUT_OFFSET;
 313         reg->shifts.exp_region1_num_segments = dpp->tf_shift->CM_DGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
 314         reg->masks.exp_region1_num_segments = dpp->tf_mask->CM_DGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
 315 
 316         reg->shifts.field_region_end = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_END_B;
 317         reg->masks.field_region_end = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_END_B;
 318         reg->shifts.field_region_end_slope = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_END_SLOPE_B;
 319         reg->masks.field_region_end_slope = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_END_SLOPE_B;
 320         reg->shifts.field_region_end_base = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_END_BASE_B;
 321         reg->masks.field_region_end_base = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_END_BASE_B;
 322         reg->shifts.field_region_linear_slope = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B;
 323         reg->masks.field_region_linear_slope = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B;
 324         reg->shifts.exp_region_start = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_START_B;
 325         reg->masks.exp_region_start = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_START_B;
 326         reg->shifts.exp_resion_start_segment = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_START_SEGMENT_B;
 327         reg->masks.exp_resion_start_segment = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_START_SEGMENT_B;
 328 }
 329 void dpp1_cm_set_output_csc_adjustment(
 330                 struct dpp *dpp_base,
 331                 const uint16_t *regval)
 332 {
 333         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 334 
 335         dpp1_cm_program_color_matrix(dpp, regval);
 336 }
 337 
 338 void dpp1_cm_power_on_regamma_lut(struct dpp *dpp_base,
 339                                   bool power_on)
 340 {
 341         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 342 
 343         REG_SET(CM_MEM_PWR_CTRL, 0,
 344                 RGAM_MEM_PWR_FORCE, power_on == true ? 0:1);
 345 
 346 }
 347 
 348 void dpp1_cm_program_regamma_lut(struct dpp *dpp_base,
 349                                  const struct pwl_result_data *rgb,
 350                                  uint32_t num)
 351 {
 352         uint32_t i;
 353         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 354 
 355         for (i = 0 ; i < num; i++) {
 356                 REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].red_reg);
 357                 REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].green_reg);
 358                 REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].blue_reg);
 359 
 360                 REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_red_reg);
 361                 REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_green_reg);
 362                 REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_blue_reg);
 363 
 364         }
 365 
 366 }
 367 
 368 void dpp1_cm_configure_regamma_lut(
 369                 struct dpp *dpp_base,
 370                 bool is_ram_a)
 371 {
 372         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 373 
 374         REG_UPDATE(CM_RGAM_LUT_WRITE_EN_MASK,
 375                         CM_RGAM_LUT_WRITE_EN_MASK, 7);
 376         REG_UPDATE(CM_RGAM_LUT_WRITE_EN_MASK,
 377                         CM_RGAM_LUT_WRITE_SEL, is_ram_a == true ? 0:1);
 378         REG_SET(CM_RGAM_LUT_INDEX, 0, CM_RGAM_LUT_INDEX, 0);
 379 }
 380 
 381 /*program re gamma RAM A*/
 382 void dpp1_cm_program_regamma_luta_settings(
 383                 struct dpp *dpp_base,
 384                 const struct pwl_params *params)
 385 {
 386         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 387         struct xfer_func_reg gam_regs;
 388 
 389         dpp1_cm_get_reg_field(dpp, &gam_regs);
 390 
 391         gam_regs.start_cntl_b = REG(CM_RGAM_RAMA_START_CNTL_B);
 392         gam_regs.start_cntl_g = REG(CM_RGAM_RAMA_START_CNTL_G);
 393         gam_regs.start_cntl_r = REG(CM_RGAM_RAMA_START_CNTL_R);
 394         gam_regs.start_slope_cntl_b = REG(CM_RGAM_RAMA_SLOPE_CNTL_B);
 395         gam_regs.start_slope_cntl_g = REG(CM_RGAM_RAMA_SLOPE_CNTL_G);
 396         gam_regs.start_slope_cntl_r = REG(CM_RGAM_RAMA_SLOPE_CNTL_R);
 397         gam_regs.start_end_cntl1_b = REG(CM_RGAM_RAMA_END_CNTL1_B);
 398         gam_regs.start_end_cntl2_b = REG(CM_RGAM_RAMA_END_CNTL2_B);
 399         gam_regs.start_end_cntl1_g = REG(CM_RGAM_RAMA_END_CNTL1_G);
 400         gam_regs.start_end_cntl2_g = REG(CM_RGAM_RAMA_END_CNTL2_G);
 401         gam_regs.start_end_cntl1_r = REG(CM_RGAM_RAMA_END_CNTL1_R);
 402         gam_regs.start_end_cntl2_r = REG(CM_RGAM_RAMA_END_CNTL2_R);
 403         gam_regs.region_start = REG(CM_RGAM_RAMA_REGION_0_1);
 404         gam_regs.region_end = REG(CM_RGAM_RAMA_REGION_32_33);
 405 
 406         cm_helper_program_xfer_func(dpp->base.ctx, params, &gam_regs);
 407 
 408 }
 409 
 410 /*program re gamma RAM B*/
 411 void dpp1_cm_program_regamma_lutb_settings(
 412                 struct dpp *dpp_base,
 413                 const struct pwl_params *params)
 414 {
 415         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 416         struct xfer_func_reg gam_regs;
 417 
 418         dpp1_cm_get_reg_field(dpp, &gam_regs);
 419 
 420         gam_regs.start_cntl_b = REG(CM_RGAM_RAMB_START_CNTL_B);
 421         gam_regs.start_cntl_g = REG(CM_RGAM_RAMB_START_CNTL_G);
 422         gam_regs.start_cntl_r = REG(CM_RGAM_RAMB_START_CNTL_R);
 423         gam_regs.start_slope_cntl_b = REG(CM_RGAM_RAMB_SLOPE_CNTL_B);
 424         gam_regs.start_slope_cntl_g = REG(CM_RGAM_RAMB_SLOPE_CNTL_G);
 425         gam_regs.start_slope_cntl_r = REG(CM_RGAM_RAMB_SLOPE_CNTL_R);
 426         gam_regs.start_end_cntl1_b = REG(CM_RGAM_RAMB_END_CNTL1_B);
 427         gam_regs.start_end_cntl2_b = REG(CM_RGAM_RAMB_END_CNTL2_B);
 428         gam_regs.start_end_cntl1_g = REG(CM_RGAM_RAMB_END_CNTL1_G);
 429         gam_regs.start_end_cntl2_g = REG(CM_RGAM_RAMB_END_CNTL2_G);
 430         gam_regs.start_end_cntl1_r = REG(CM_RGAM_RAMB_END_CNTL1_R);
 431         gam_regs.start_end_cntl2_r = REG(CM_RGAM_RAMB_END_CNTL2_R);
 432         gam_regs.region_start = REG(CM_RGAM_RAMB_REGION_0_1);
 433         gam_regs.region_end = REG(CM_RGAM_RAMB_REGION_32_33);
 434 
 435         cm_helper_program_xfer_func(dpp->base.ctx, params, &gam_regs);
 436 }
 437 
 438 void dpp1_program_input_csc(
 439                 struct dpp *dpp_base,
 440                 enum dc_color_space color_space,
 441                 enum dcn10_input_csc_select input_select,
 442                 const struct out_csc_color_matrix *tbl_entry)
 443 {
 444         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 445         int i;
 446         int arr_size = sizeof(dpp_input_csc_matrix)/sizeof(struct dpp_input_csc_matrix);
 447         const uint16_t *regval = NULL;
 448         uint32_t cur_select = 0;
 449         enum dcn10_input_csc_select select;
 450         struct color_matrices_reg gam_regs;
 451 
 452         if (input_select == INPUT_CSC_SELECT_BYPASS) {
 453                 REG_SET(CM_ICSC_CONTROL, 0, CM_ICSC_MODE, 0);
 454                 return;
 455         }
 456 
 457         if (tbl_entry == NULL) {
 458                 for (i = 0; i < arr_size; i++)
 459                         if (dpp_input_csc_matrix[i].color_space == color_space) {
 460                                 regval = dpp_input_csc_matrix[i].regval;
 461                                 break;
 462                         }
 463 
 464                 if (regval == NULL) {
 465                         BREAK_TO_DEBUGGER();
 466                         return;
 467                 }
 468         } else {
 469                 regval = tbl_entry->regval;
 470         }
 471 
 472         /* determine which CSC matrix (icsc or coma) we are using
 473          * currently.  select the alternate set to double buffer
 474          * the CSC update so CSC is updated on frame boundary
 475          */
 476         REG_SET(CM_TEST_DEBUG_INDEX, 0,
 477                         CM_TEST_DEBUG_INDEX, 9);
 478 
 479         REG_GET(CM_TEST_DEBUG_DATA,
 480                         CM_TEST_DEBUG_DATA_ID9_ICSC_MODE, &cur_select);
 481 
 482         if (cur_select != INPUT_CSC_SELECT_ICSC)
 483                 select = INPUT_CSC_SELECT_ICSC;
 484         else
 485                 select = INPUT_CSC_SELECT_COMA;
 486 
 487         gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_ICSC_C11;
 488         gam_regs.masks.csc_c11  = dpp->tf_mask->CM_ICSC_C11;
 489         gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_ICSC_C12;
 490         gam_regs.masks.csc_c12 = dpp->tf_mask->CM_ICSC_C12;
 491 
 492         if (select == INPUT_CSC_SELECT_ICSC) {
 493 
 494                 gam_regs.csc_c11_c12 = REG(CM_ICSC_C11_C12);
 495                 gam_regs.csc_c33_c34 = REG(CM_ICSC_C33_C34);
 496 
 497         } else {
 498 
 499                 gam_regs.csc_c11_c12 = REG(CM_COMA_C11_C12);
 500                 gam_regs.csc_c33_c34 = REG(CM_COMA_C33_C34);
 501 
 502         }
 503 
 504         cm_helper_program_color_matrices(
 505                         dpp->base.ctx,
 506                         regval,
 507                         &gam_regs);
 508 
 509         REG_SET(CM_ICSC_CONTROL, 0,
 510                                 CM_ICSC_MODE, select);
 511 }
 512 
 513 //keep here for now, decide multi dce support later
 514 void dpp1_program_bias_and_scale(
 515         struct dpp *dpp_base,
 516         struct dc_bias_and_scale *params)
 517 {
 518         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 519 
 520         REG_SET_2(CM_BNS_VALUES_R, 0,
 521                 CM_BNS_SCALE_R, params->scale_red,
 522                 CM_BNS_BIAS_R, params->bias_red);
 523 
 524         REG_SET_2(CM_BNS_VALUES_G, 0,
 525                 CM_BNS_SCALE_G, params->scale_green,
 526                 CM_BNS_BIAS_G, params->bias_green);
 527 
 528         REG_SET_2(CM_BNS_VALUES_B, 0,
 529                 CM_BNS_SCALE_B, params->scale_blue,
 530                 CM_BNS_BIAS_B, params->bias_blue);
 531 
 532 }
 533 
 534 /*program de gamma RAM B*/
 535 void dpp1_program_degamma_lutb_settings(
 536                 struct dpp *dpp_base,
 537                 const struct pwl_params *params)
 538 {
 539         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 540         struct xfer_func_reg gam_regs;
 541 
 542         dpp1_cm_get_degamma_reg_field(dpp, &gam_regs);
 543 
 544         gam_regs.start_cntl_b = REG(CM_DGAM_RAMB_START_CNTL_B);
 545         gam_regs.start_cntl_g = REG(CM_DGAM_RAMB_START_CNTL_G);
 546         gam_regs.start_cntl_r = REG(CM_DGAM_RAMB_START_CNTL_R);
 547         gam_regs.start_slope_cntl_b = REG(CM_DGAM_RAMB_SLOPE_CNTL_B);
 548         gam_regs.start_slope_cntl_g = REG(CM_DGAM_RAMB_SLOPE_CNTL_G);
 549         gam_regs.start_slope_cntl_r = REG(CM_DGAM_RAMB_SLOPE_CNTL_R);
 550         gam_regs.start_end_cntl1_b = REG(CM_DGAM_RAMB_END_CNTL1_B);
 551         gam_regs.start_end_cntl2_b = REG(CM_DGAM_RAMB_END_CNTL2_B);
 552         gam_regs.start_end_cntl1_g = REG(CM_DGAM_RAMB_END_CNTL1_G);
 553         gam_regs.start_end_cntl2_g = REG(CM_DGAM_RAMB_END_CNTL2_G);
 554         gam_regs.start_end_cntl1_r = REG(CM_DGAM_RAMB_END_CNTL1_R);
 555         gam_regs.start_end_cntl2_r = REG(CM_DGAM_RAMB_END_CNTL2_R);
 556         gam_regs.region_start = REG(CM_DGAM_RAMB_REGION_0_1);
 557         gam_regs.region_end = REG(CM_DGAM_RAMB_REGION_14_15);
 558 
 559 
 560         cm_helper_program_xfer_func(dpp->base.ctx, params, &gam_regs);
 561 }
 562 
 563 /*program de gamma RAM A*/
 564 void dpp1_program_degamma_luta_settings(
 565                 struct dpp *dpp_base,
 566                 const struct pwl_params *params)
 567 {
 568         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 569         struct xfer_func_reg gam_regs;
 570 
 571         dpp1_cm_get_degamma_reg_field(dpp, &gam_regs);
 572 
 573         gam_regs.start_cntl_b = REG(CM_DGAM_RAMA_START_CNTL_B);
 574         gam_regs.start_cntl_g = REG(CM_DGAM_RAMA_START_CNTL_G);
 575         gam_regs.start_cntl_r = REG(CM_DGAM_RAMA_START_CNTL_R);
 576         gam_regs.start_slope_cntl_b = REG(CM_DGAM_RAMA_SLOPE_CNTL_B);
 577         gam_regs.start_slope_cntl_g = REG(CM_DGAM_RAMA_SLOPE_CNTL_G);
 578         gam_regs.start_slope_cntl_r = REG(CM_DGAM_RAMA_SLOPE_CNTL_R);
 579         gam_regs.start_end_cntl1_b = REG(CM_DGAM_RAMA_END_CNTL1_B);
 580         gam_regs.start_end_cntl2_b = REG(CM_DGAM_RAMA_END_CNTL2_B);
 581         gam_regs.start_end_cntl1_g = REG(CM_DGAM_RAMA_END_CNTL1_G);
 582         gam_regs.start_end_cntl2_g = REG(CM_DGAM_RAMA_END_CNTL2_G);
 583         gam_regs.start_end_cntl1_r = REG(CM_DGAM_RAMA_END_CNTL1_R);
 584         gam_regs.start_end_cntl2_r = REG(CM_DGAM_RAMA_END_CNTL2_R);
 585         gam_regs.region_start = REG(CM_DGAM_RAMA_REGION_0_1);
 586         gam_regs.region_end = REG(CM_DGAM_RAMA_REGION_14_15);
 587 
 588         cm_helper_program_xfer_func(dpp->base.ctx, params, &gam_regs);
 589 }
 590 
 591 void dpp1_power_on_degamma_lut(
 592                 struct dpp *dpp_base,
 593         bool power_on)
 594 {
 595         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 596 
 597         REG_SET(CM_MEM_PWR_CTRL, 0,
 598                         SHARED_MEM_PWR_DIS, power_on == true ? 0:1);
 599 
 600 }
 601 
 602 static void dpp1_enable_cm_block(
 603                 struct dpp *dpp_base)
 604 {
 605         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 606 
 607         REG_UPDATE(CM_CMOUT_CONTROL, CM_CMOUT_ROUND_TRUNC_MODE, 8);
 608         REG_UPDATE(CM_CONTROL, CM_BYPASS_EN, 0);
 609 }
 610 
 611 void dpp1_set_degamma(
 612                 struct dpp *dpp_base,
 613                 enum ipp_degamma_mode mode)
 614 {
 615         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 616         dpp1_enable_cm_block(dpp_base);
 617 
 618         switch (mode) {
 619         case IPP_DEGAMMA_MODE_BYPASS:
 620                 /* Setting de gamma bypass for now */
 621                 REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 0);
 622                 break;
 623         case IPP_DEGAMMA_MODE_HW_sRGB:
 624                 REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 1);
 625                 break;
 626         case IPP_DEGAMMA_MODE_HW_xvYCC:
 627                 REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 2);
 628                         break;
 629         default:
 630                 BREAK_TO_DEBUGGER();
 631                 break;
 632         }
 633 }
 634 
 635 void dpp1_degamma_ram_select(
 636                 struct dpp *dpp_base,
 637                                                         bool use_ram_a)
 638 {
 639         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 640 
 641         if (use_ram_a)
 642                 REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 3);
 643         else
 644                 REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 4);
 645 
 646 }
 647 
 648 static bool dpp1_degamma_ram_inuse(
 649                 struct dpp *dpp_base,
 650                                                         bool *ram_a_inuse)
 651 {
 652         bool ret = false;
 653         uint32_t status_reg = 0;
 654         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 655 
 656         REG_GET(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_DGAM_CONFIG_STATUS,
 657                         &status_reg);
 658 
 659         if (status_reg == 9) {
 660                 *ram_a_inuse = true;
 661                 ret = true;
 662         } else if (status_reg == 10) {
 663                 *ram_a_inuse = false;
 664                 ret = true;
 665         }
 666         return ret;
 667 }
 668 
 669 void dpp1_program_degamma_lut(
 670                 struct dpp *dpp_base,
 671                 const struct pwl_result_data *rgb,
 672                 uint32_t num,
 673                 bool is_ram_a)
 674 {
 675         uint32_t i;
 676 
 677         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 678         REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_HOST_EN, 0);
 679         REG_UPDATE(CM_DGAM_LUT_WRITE_EN_MASK,
 680                                    CM_DGAM_LUT_WRITE_EN_MASK, 7);
 681         REG_UPDATE(CM_DGAM_LUT_WRITE_EN_MASK, CM_DGAM_LUT_WRITE_SEL,
 682                                         is_ram_a == true ? 0:1);
 683 
 684         REG_SET(CM_DGAM_LUT_INDEX, 0, CM_DGAM_LUT_INDEX, 0);
 685         for (i = 0 ; i < num; i++) {
 686                 REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].red_reg);
 687                 REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].green_reg);
 688                 REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].blue_reg);
 689 
 690                 REG_SET(CM_DGAM_LUT_DATA, 0,
 691                                 CM_DGAM_LUT_DATA, rgb[i].delta_red_reg);
 692                 REG_SET(CM_DGAM_LUT_DATA, 0,
 693                                 CM_DGAM_LUT_DATA, rgb[i].delta_green_reg);
 694                 REG_SET(CM_DGAM_LUT_DATA, 0,
 695                                 CM_DGAM_LUT_DATA, rgb[i].delta_blue_reg);
 696         }
 697 }
 698 
 699 void dpp1_set_degamma_pwl(struct dpp *dpp_base,
 700                                                                  const struct pwl_params *params)
 701 {
 702         bool is_ram_a = true;
 703 
 704         dpp1_power_on_degamma_lut(dpp_base, true);
 705         dpp1_enable_cm_block(dpp_base);
 706         dpp1_degamma_ram_inuse(dpp_base, &is_ram_a);
 707         if (is_ram_a == true)
 708                 dpp1_program_degamma_lutb_settings(dpp_base, params);
 709         else
 710                 dpp1_program_degamma_luta_settings(dpp_base, params);
 711 
 712         dpp1_program_degamma_lut(dpp_base, params->rgb_resulted,
 713                                                         params->hw_points_num, !is_ram_a);
 714         dpp1_degamma_ram_select(dpp_base, !is_ram_a);
 715 }
 716 
 717 void dpp1_full_bypass(struct dpp *dpp_base)
 718 {
 719         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 720 
 721         /* Input pixel format: ARGB8888 */
 722         REG_SET(CNVC_SURFACE_PIXEL_FORMAT, 0,
 723                         CNVC_SURFACE_PIXEL_FORMAT, 0x8);
 724 
 725         /* Zero expansion */
 726         REG_SET_3(FORMAT_CONTROL, 0,
 727                         CNVC_BYPASS, 0,
 728                         FORMAT_CONTROL__ALPHA_EN, 0,
 729                         FORMAT_EXPANSION_MODE, 0);
 730 
 731         /* COLOR_KEYER_CONTROL.COLOR_KEYER_EN = 0 this should be default */
 732         if (dpp->tf_mask->CM_BYPASS_EN)
 733                 REG_SET(CM_CONTROL, 0, CM_BYPASS_EN, 1);
 734 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
 735         else
 736                 REG_SET(CM_CONTROL, 0, CM_BYPASS, 1);
 737 #endif
 738 
 739         /* Setting degamma bypass for now */
 740         REG_SET(CM_DGAM_CONTROL, 0, CM_DGAM_LUT_MODE, 0);
 741 }
 742 
 743 static bool dpp1_ingamma_ram_inuse(struct dpp *dpp_base,
 744                                                         bool *ram_a_inuse)
 745 {
 746         bool in_use = false;
 747         uint32_t status_reg = 0;
 748         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 749 
 750         REG_GET(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_DGAM_CONFIG_STATUS,
 751                                 &status_reg);
 752 
 753         // 1 => IGAM_RAMA, 3 => IGAM_RAMA & DGAM_ROMA, 4 => IGAM_RAMA & DGAM_ROMB
 754         if (status_reg == 1 || status_reg == 3 || status_reg == 4) {
 755                 *ram_a_inuse = true;
 756                 in_use = true;
 757         // 2 => IGAM_RAMB, 5 => IGAM_RAMB & DGAM_ROMA, 6 => IGAM_RAMB & DGAM_ROMB
 758         } else if (status_reg == 2 || status_reg == 5 || status_reg == 6) {
 759                 *ram_a_inuse = false;
 760                 in_use = true;
 761         }
 762         return in_use;
 763 }
 764 
 765 /*
 766  * Input gamma LUT currently supports 256 values only. This means input color
 767  * can have a maximum of 8 bits per channel (= 256 possible values) in order to
 768  * have a one-to-one mapping with the LUT. Truncation will occur with color
 769  * values greater than 8 bits.
 770  *
 771  * In the future, this function should support additional input gamma methods,
 772  * such as piecewise linear mapping, and input gamma bypass.
 773  */
 774 void dpp1_program_input_lut(
 775                 struct dpp *dpp_base,
 776                 const struct dc_gamma *gamma)
 777 {
 778         int i;
 779         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 780         bool rama_occupied = false;
 781         uint32_t ram_num;
 782         // Power on LUT memory.
 783         REG_SET(CM_MEM_PWR_CTRL, 0, SHARED_MEM_PWR_DIS, 1);
 784         dpp1_enable_cm_block(dpp_base);
 785         // Determine whether to use RAM A or RAM B
 786         dpp1_ingamma_ram_inuse(dpp_base, &rama_occupied);
 787         if (!rama_occupied)
 788                 REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_SEL, 0);
 789         else
 790                 REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_SEL, 1);
 791         // RW mode is 256-entry LUT
 792         REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_RW_MODE, 0);
 793         // IGAM Input format should be 8 bits per channel.
 794         REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_INPUT_FORMAT, 0);
 795         // Do not mask any R,G,B values
 796         REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_WRITE_EN_MASK, 7);
 797         // LUT-256, unsigned, integer, new u0.12 format
 798         REG_UPDATE_3(
 799                 CM_IGAM_CONTROL,
 800                 CM_IGAM_LUT_FORMAT_R, 3,
 801                 CM_IGAM_LUT_FORMAT_G, 3,
 802                 CM_IGAM_LUT_FORMAT_B, 3);
 803         // Start at index 0 of IGAM LUT
 804         REG_UPDATE(CM_IGAM_LUT_RW_INDEX, CM_IGAM_LUT_RW_INDEX, 0);
 805         for (i = 0; i < gamma->num_entries; i++) {
 806                 REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
 807                                 dc_fixpt_round(
 808                                         gamma->entries.red[i]));
 809                 REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
 810                                 dc_fixpt_round(
 811                                         gamma->entries.green[i]));
 812                 REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
 813                                 dc_fixpt_round(
 814                                         gamma->entries.blue[i]));
 815         }
 816         // Power off LUT memory
 817         REG_SET(CM_MEM_PWR_CTRL, 0, SHARED_MEM_PWR_DIS, 0);
 818         // Enable IGAM LUT on ram we just wrote to. 2 => RAMA, 3 => RAMB
 819         REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_LUT_MODE, rama_occupied ? 3 : 2);
 820         REG_GET(CM_IGAM_CONTROL, CM_IGAM_LUT_MODE, &ram_num);
 821 }
 822 
 823 void dpp1_set_hdr_multiplier(
 824                 struct dpp *dpp_base,
 825                 uint32_t multiplier)
 826 {
 827         struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 828 
 829         REG_UPDATE(CM_HDR_MULT_COEF, CM_HDR_MULT_COEF, multiplier);
 830 }