1 /* 2 * Copyright 2012-15 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #include "dm_services.h" 27 #include "dcn10_opp.h" 28 #include "reg_helper.h" 29 30 #define REG(reg) \ 31 (oppn10->regs->reg) 32 33 #undef FN 34 #define FN(reg_name, field_name) \ 35 oppn10->opp_shift->field_name, oppn10->opp_mask->field_name 36 37 #define CTX \ 38 oppn10->base.ctx 39 40 41 /************* FORMATTER ************/ 42 43 /** 44 * set_truncation 45 * 1) set truncation depth: 0 for 18 bpp or 1 for 24 bpp 46 * 2) enable truncation 47 * 3) HW remove 12bit FMT support for DCE11 power saving reason. 48 */ 49 static void opp1_set_truncation( 50 struct dcn10_opp *oppn10, 51 const struct bit_depth_reduction_params *params) 52 { 53 REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, 54 FMT_TRUNCATE_EN, params->flags.TRUNCATE_ENABLED, 55 FMT_TRUNCATE_DEPTH, params->flags.TRUNCATE_DEPTH, 56 FMT_TRUNCATE_MODE, params->flags.TRUNCATE_MODE); 57 } 58 59 static void opp1_set_spatial_dither( 60 struct dcn10_opp *oppn10, 61 const struct bit_depth_reduction_params *params) 62 { 63 /*Disable spatial (random) dithering*/ 64 REG_UPDATE_7(FMT_BIT_DEPTH_CONTROL, 65 FMT_SPATIAL_DITHER_EN, 0, 66 FMT_SPATIAL_DITHER_MODE, 0, 67 FMT_SPATIAL_DITHER_DEPTH, 0, 68 FMT_TEMPORAL_DITHER_EN, 0, 69 FMT_HIGHPASS_RANDOM_ENABLE, 0, 70 FMT_FRAME_RANDOM_ENABLE, 0, 71 FMT_RGB_RANDOM_ENABLE, 0); 72 73 74 /* only use FRAME_COUNTER_MAX if frameRandom == 1*/ 75 if (params->flags.FRAME_RANDOM == 1) { 76 if (params->flags.SPATIAL_DITHER_DEPTH == 0 || params->flags.SPATIAL_DITHER_DEPTH == 1) { 77 REG_UPDATE_2(FMT_CONTROL, 78 FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 15, 79 FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 2); 80 } else if (params->flags.SPATIAL_DITHER_DEPTH == 2) { 81 REG_UPDATE_2(FMT_CONTROL, 82 FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 3, 83 FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 1); 84 } else { 85 return; 86 } 87 } else { 88 REG_UPDATE_2(FMT_CONTROL, 89 FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 0, 90 FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 0); 91 } 92 93 /*Set seed for random values for 94 * spatial dithering for R,G,B channels*/ 95 96 REG_SET(FMT_DITHER_RAND_R_SEED, 0, 97 FMT_RAND_R_SEED, params->r_seed_value); 98 99 REG_SET(FMT_DITHER_RAND_G_SEED, 0, 100 FMT_RAND_G_SEED, params->g_seed_value); 101 102 REG_SET(FMT_DITHER_RAND_B_SEED, 0, 103 FMT_RAND_B_SEED, params->b_seed_value); 104 105 /* FMT_OFFSET_R_Cr 31:16 0x0 Setting the zero 106 * offset for the R/Cr channel, lower 4LSB 107 * is forced to zeros. Typically set to 0 108 * RGB and 0x80000 YCbCr. 109 */ 110 /* FMT_OFFSET_G_Y 31:16 0x0 Setting the zero 111 * offset for the G/Y channel, lower 4LSB is 112 * forced to zeros. Typically set to 0 RGB 113 * and 0x80000 YCbCr. 114 */ 115 /* FMT_OFFSET_B_Cb 31:16 0x0 Setting the zero 116 * offset for the B/Cb channel, lower 4LSB is 117 * forced to zeros. Typically set to 0 RGB and 118 * 0x80000 YCbCr. 119 */ 120 121 REG_UPDATE_6(FMT_BIT_DEPTH_CONTROL, 122 /*Enable spatial dithering*/ 123 FMT_SPATIAL_DITHER_EN, params->flags.SPATIAL_DITHER_ENABLED, 124 /* Set spatial dithering mode 125 * (default is Seed patterrn AAAA...) 126 */ 127 FMT_SPATIAL_DITHER_MODE, params->flags.SPATIAL_DITHER_MODE, 128 /*Set spatial dithering bit depth*/ 129 FMT_SPATIAL_DITHER_DEPTH, params->flags.SPATIAL_DITHER_DEPTH, 130 /*Disable High pass filter*/ 131 FMT_HIGHPASS_RANDOM_ENABLE, params->flags.HIGHPASS_RANDOM, 132 /*Reset only at startup*/ 133 FMT_FRAME_RANDOM_ENABLE, params->flags.FRAME_RANDOM, 134 /*Set RGB data dithered with x^28+x^3+1*/ 135 FMT_RGB_RANDOM_ENABLE, params->flags.RGB_RANDOM); 136 } 137 138 void opp1_program_bit_depth_reduction( 139 struct output_pixel_processor *opp, 140 const struct bit_depth_reduction_params *params) 141 { 142 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); 143 144 opp1_set_truncation(oppn10, params); 145 opp1_set_spatial_dither(oppn10, params); 146 /* TODO 147 * set_temporal_dither(oppn10, params); 148 */ 149 } 150 151 /** 152 * set_pixel_encoding 153 * 154 * Set Pixel Encoding 155 * 0: RGB 4:4:4 or YCbCr 4:4:4 or YOnly 156 * 1: YCbCr 4:2:2 157 */ 158 static void opp1_set_pixel_encoding( 159 struct dcn10_opp *oppn10, 160 const struct clamping_and_pixel_encoding_params *params) 161 { 162 switch (params->pixel_encoding) { 163 164 case PIXEL_ENCODING_RGB: 165 case PIXEL_ENCODING_YCBCR444: 166 REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 0); 167 break; 168 case PIXEL_ENCODING_YCBCR422: 169 REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 1); 170 break; 171 case PIXEL_ENCODING_YCBCR420: 172 REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 2); 173 break; 174 default: 175 break; 176 } 177 } 178 179 /** 180 * Set Clamping 181 * 1) Set clamping format based on bpc - 0 for 6bpc (No clamping) 182 * 1 for 8 bpc 183 * 2 for 10 bpc 184 * 3 for 12 bpc 185 * 7 for programable 186 * 2) Enable clamp if Limited range requested 187 */ 188 static void opp1_set_clamping( 189 struct dcn10_opp *oppn10, 190 const struct clamping_and_pixel_encoding_params *params) 191 { 192 REG_UPDATE_2(FMT_CLAMP_CNTL, 193 FMT_CLAMP_DATA_EN, 0, 194 FMT_CLAMP_COLOR_FORMAT, 0); 195 196 switch (params->clamping_level) { 197 case CLAMPING_FULL_RANGE: 198 REG_UPDATE_2(FMT_CLAMP_CNTL, 199 FMT_CLAMP_DATA_EN, 1, 200 FMT_CLAMP_COLOR_FORMAT, 0); 201 break; 202 case CLAMPING_LIMITED_RANGE_8BPC: 203 REG_UPDATE_2(FMT_CLAMP_CNTL, 204 FMT_CLAMP_DATA_EN, 1, 205 FMT_CLAMP_COLOR_FORMAT, 1); 206 break; 207 case CLAMPING_LIMITED_RANGE_10BPC: 208 REG_UPDATE_2(FMT_CLAMP_CNTL, 209 FMT_CLAMP_DATA_EN, 1, 210 FMT_CLAMP_COLOR_FORMAT, 2); 211 212 break; 213 case CLAMPING_LIMITED_RANGE_12BPC: 214 REG_UPDATE_2(FMT_CLAMP_CNTL, 215 FMT_CLAMP_DATA_EN, 1, 216 FMT_CLAMP_COLOR_FORMAT, 3); 217 break; 218 case CLAMPING_LIMITED_RANGE_PROGRAMMABLE: 219 /* TODO */ 220 default: 221 break; 222 } 223 224 } 225 226 void opp1_set_dyn_expansion( 227 struct output_pixel_processor *opp, 228 enum dc_color_space color_sp, 229 enum dc_color_depth color_dpth, 230 enum signal_type signal) 231 { 232 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); 233 234 REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, 235 FMT_DYNAMIC_EXP_EN, 0, 236 FMT_DYNAMIC_EXP_MODE, 0); 237 238 /*00 - 10-bit -> 12-bit dynamic expansion*/ 239 /*01 - 8-bit -> 12-bit dynamic expansion*/ 240 if (signal == SIGNAL_TYPE_HDMI_TYPE_A || 241 signal == SIGNAL_TYPE_DISPLAY_PORT || 242 signal == SIGNAL_TYPE_DISPLAY_PORT_MST || 243 signal == SIGNAL_TYPE_VIRTUAL) { 244 switch (color_dpth) { 245 case COLOR_DEPTH_888: 246 REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, 247 FMT_DYNAMIC_EXP_EN, 1, 248 FMT_DYNAMIC_EXP_MODE, 1); 249 break; 250 case COLOR_DEPTH_101010: 251 REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, 252 FMT_DYNAMIC_EXP_EN, 1, 253 FMT_DYNAMIC_EXP_MODE, 0); 254 break; 255 case COLOR_DEPTH_121212: 256 REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, 257 FMT_DYNAMIC_EXP_EN, 1,/*otherwise last two bits are zero*/ 258 FMT_DYNAMIC_EXP_MODE, 0); 259 break; 260 default: 261 break; 262 } 263 } 264 } 265 266 static void opp1_program_clamping_and_pixel_encoding( 267 struct output_pixel_processor *opp, 268 const struct clamping_and_pixel_encoding_params *params) 269 { 270 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); 271 272 opp1_set_clamping(oppn10, params); 273 opp1_set_pixel_encoding(oppn10, params); 274 } 275 276 void opp1_program_fmt( 277 struct output_pixel_processor *opp, 278 struct bit_depth_reduction_params *fmt_bit_depth, 279 struct clamping_and_pixel_encoding_params *clamping) 280 { 281 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); 282 283 if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420) 284 REG_UPDATE(FMT_MAP420_MEMORY_CONTROL, FMT_MAP420MEM_PWR_FORCE, 0); 285 286 /* dithering is affected by <CrtcSourceSelect>, hence should be 287 * programmed afterwards */ 288 opp1_program_bit_depth_reduction( 289 opp, 290 fmt_bit_depth); 291 292 opp1_program_clamping_and_pixel_encoding( 293 opp, 294 clamping); 295 296 return; 297 } 298 299 void opp1_program_stereo( 300 struct output_pixel_processor *opp, 301 bool enable, 302 const struct dc_crtc_timing *timing) 303 { 304 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); 305 306 uint32_t active_width = timing->h_addressable - timing->h_border_right - timing->h_border_right; 307 uint32_t space1_size = timing->v_total - timing->v_addressable; 308 /* TODO: confirm computation of space2_size */ 309 uint32_t space2_size = timing->v_total - timing->v_addressable; 310 311 if (!enable) { 312 active_width = 0; 313 space1_size = 0; 314 space2_size = 0; 315 } 316 317 /* TODO: for which cases should FMT_STEREOSYNC_OVERRIDE be set? */ 318 REG_UPDATE(FMT_CONTROL, FMT_STEREOSYNC_OVERRIDE, 0); 319 320 REG_UPDATE(OPPBUF_CONTROL, OPPBUF_ACTIVE_WIDTH, active_width); 321 322 /* Program OPPBUF_3D_VACT_SPACE1_SIZE and OPPBUF_VACT_SPACE2_SIZE registers 323 * In 3D progressive frames, Vactive space happens only in between the 2 frames, 324 * so only need to program OPPBUF_3D_VACT_SPACE1_SIZE 325 * In 3D alternative frames, left and right frames, top and bottom field. 326 */ 327 if (timing->timing_3d_format == TIMING_3D_FORMAT_FRAME_ALTERNATE) 328 REG_UPDATE(OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE2_SIZE, space2_size); 329 else 330 REG_UPDATE(OPPBUF_3D_PARAMETERS_0, OPPBUF_3D_VACT_SPACE1_SIZE, space1_size); 331 332 /* TODO: Is programming of OPPBUF_DUMMY_DATA_R/G/B needed? */ 333 /* 334 REG_UPDATE(OPPBUF_3D_PARAMETERS_0, 335 OPPBUF_DUMMY_DATA_R, data_r); 336 REG_UPDATE(OPPBUF_3D_PARAMETERS_1, 337 OPPBUF_DUMMY_DATA_G, data_g); 338 REG_UPDATE(OPPBUF_3D_PARAMETERS_1, 339 OPPBUF_DUMMY_DATA_B, _data_b); 340 */ 341 } 342 343 void opp1_program_oppbuf( 344 struct output_pixel_processor *opp, 345 struct oppbuf_params *oppbuf) 346 { 347 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); 348 349 /* Program the oppbuf active width to be the frame width from mpc */ 350 REG_UPDATE(OPPBUF_CONTROL, OPPBUF_ACTIVE_WIDTH, oppbuf->active_width); 351 352 /* Specifies the number of segments in multi-segment mode (DP-MSO operation) 353 * description "In 1/2/4 segment mode, specifies the horizontal active width in pixels of the display panel. 354 * In 4 segment split left/right mode, specifies the horizontal 1/2 active width in pixels of the display panel. 355 * Used to determine segment boundaries in multi-segment mode. Used to determine the width of the vertical active space in 3D frame packed modes. 356 * OPPBUF_ACTIVE_WIDTH must be integer divisible by the total number of segments." 357 */ 358 REG_UPDATE(OPPBUF_CONTROL, OPPBUF_DISPLAY_SEGMENTATION, oppbuf->mso_segmentation); 359 360 /* description "Specifies the number of overlap pixels (1-8 overlapping pixels supported), used in multi-segment mode (DP-MSO operation)" */ 361 REG_UPDATE(OPPBUF_CONTROL, OPPBUF_OVERLAP_PIXEL_NUM, oppbuf->mso_overlap_pixel_num); 362 363 /* description "Specifies the number of times a pixel is replicated (0-15 pixel replications supported). 364 * A value of 0 disables replication. The total number of times a pixel is output is OPPBUF_PIXEL_REPETITION + 1." 365 */ 366 REG_UPDATE(OPPBUF_CONTROL, OPPBUF_PIXEL_REPETITION, oppbuf->pixel_repetition); 367 368 } 369 370 void opp1_pipe_clock_control(struct output_pixel_processor *opp, bool enable) 371 { 372 struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); 373 uint32_t regval = enable ? 1 : 0; 374 375 REG_UPDATE(OPP_PIPE_CONTROL, OPP_PIPE_CLOCK_EN, regval); 376 } 377 378 /*****************************************/ 379 /* Constructor, Destructor */ 380 /*****************************************/ 381 382 void opp1_destroy(struct output_pixel_processor **opp) 383 { 384 kfree(TO_DCN10_OPP(*opp)); 385 *opp = NULL; 386 } 387 388 static struct opp_funcs dcn10_opp_funcs = { 389 .opp_set_dyn_expansion = opp1_set_dyn_expansion, 390 .opp_program_fmt = opp1_program_fmt, 391 .opp_program_bit_depth_reduction = opp1_program_bit_depth_reduction, 392 .opp_program_stereo = opp1_program_stereo, 393 .opp_pipe_clock_control = opp1_pipe_clock_control, 394 .opp_destroy = opp1_destroy 395 }; 396 397 void dcn10_opp_construct(struct dcn10_opp *oppn10, 398 struct dc_context *ctx, 399 uint32_t inst, 400 const struct dcn10_opp_registers *regs, 401 const struct dcn10_opp_shift *opp_shift, 402 const struct dcn10_opp_mask *opp_mask) 403 { 404 405 oppn10->base.ctx = ctx; 406 oppn10->base.inst = inst; 407 oppn10->base.funcs = &dcn10_opp_funcs; 408 409 oppn10->regs = regs; 410 oppn10->opp_shift = opp_shift; 411 oppn10->opp_mask = opp_mask; 412 } 413