/* * Copyright 2012-15 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD * */ #include "dm_services.h" #include "basics/conversion.h" #include "dce_opp.h" #include "reg_helper.h" #define REG(reg)\ (opp110->regs->reg) #undef FN #define FN(reg_name, field_name) \ opp110->opp_shift->field_name, opp110->opp_mask->field_name #define CTX \ opp110->base.ctx enum { MAX_PWL_ENTRY = 128, MAX_REGIONS_NUMBER = 16 }; enum { MAX_LUT_ENTRY = 256, MAX_NUMBER_OF_ENTRIES = 256 }; enum { OUTPUT_CSC_MATRIX_SIZE = 12 }; /* ***************************************************************************** * Function: regamma_config_regions_and_segments * * build regamma curve by using predefined hw points * uses interface parameters ,like EDID coeff. * * @param : parameters interface parameters * @return void * * @note * * @see * ***************************************************************************** */ /** * set_truncation * 1) set truncation depth: 0 for 18 bpp or 1 for 24 bpp * 2) enable truncation * 3) HW remove 12bit FMT support for DCE11 power saving reason. */ static void set_truncation( struct dce110_opp *opp110, const struct bit_depth_reduction_params *params) { /*Disable truncation*/ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 0, FMT_TRUNCATE_DEPTH, 0, FMT_TRUNCATE_MODE, 0); if (params->pixel_encoding == PIXEL_ENCODING_YCBCR422) { /* 8bpc trunc on YCbCr422*/ if (params->flags.TRUNCATE_DEPTH == 1) REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1, FMT_TRUNCATE_DEPTH, 1, FMT_TRUNCATE_MODE, 0); else if (params->flags.TRUNCATE_DEPTH == 2) /* 10bpc trunc on YCbCr422*/ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1, FMT_TRUNCATE_DEPTH, 2, FMT_TRUNCATE_MODE, 0); return; } /* on other format-to do */ if (params->flags.TRUNCATE_ENABLED == 0) return; /*Set truncation depth and Enable truncation*/ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1, FMT_TRUNCATE_DEPTH, params->flags.TRUNCATE_DEPTH, FMT_TRUNCATE_MODE, params->flags.TRUNCATE_MODE); } /** * set_spatial_dither * 1) set spatial dithering mode: pattern of seed * 2) set spatial dithering depth: 0 for 18bpp or 1 for 24bpp * 3) set random seed * 4) set random mode * lfsr is reset every frame or not reset * RGB dithering method * 0: RGB data are all dithered with x^28+x^3+1 * 1: R data is dithered with x^28+x^3+1 * G data is dithered with x^28+X^9+1 * B data is dithered with x^28+x^13+1 * enable high pass filter or not * 5) enable spatical dithering */ static void set_spatial_dither( struct dce110_opp *opp110, const struct bit_depth_reduction_params *params) { /*Disable spatial (random) dithering*/ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 0, FMT_SPATIAL_DITHER_DEPTH, 0, FMT_SPATIAL_DITHER_MODE, 0); REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 0, FMT_FRAME_RANDOM_ENABLE, 0, FMT_RGB_RANDOM_ENABLE, 0); REG_UPDATE(FMT_BIT_DEPTH_CONTROL, FMT_TEMPORAL_DITHER_EN, 0); /* no 10bpc on DCE11*/ if (params->flags.SPATIAL_DITHER_ENABLED == 0 || params->flags.SPATIAL_DITHER_DEPTH == 2) return; /* only use FRAME_COUNTER_MAX if frameRandom == 1*/ if (opp110->opp_mask->FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX && opp110->opp_mask->FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP) { if (params->flags.FRAME_RANDOM == 1) { if (params->flags.SPATIAL_DITHER_DEPTH == 0 || params->flags.SPATIAL_DITHER_DEPTH == 1) { REG_UPDATE_2(FMT_CONTROL, FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 15, FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 2); } else if (params->flags.SPATIAL_DITHER_DEPTH == 2) { REG_UPDATE_2(FMT_CONTROL, FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 3, FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 1); } else return; } else { REG_UPDATE_2(FMT_CONTROL, FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 0, FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 0); } } /* Set seed for random values for * spatial dithering for R,G,B channels */ REG_UPDATE(FMT_DITHER_RAND_R_SEED, FMT_RAND_R_SEED, params->r_seed_value); REG_UPDATE(FMT_DITHER_RAND_G_SEED, FMT_RAND_G_SEED, params->g_seed_value); REG_UPDATE(FMT_DITHER_RAND_B_SEED, FMT_RAND_B_SEED, params->b_seed_value); /* FMT_OFFSET_R_Cr 31:16 0x0 Setting the zero * offset for the R/Cr channel, lower 4LSB * is forced to zeros. Typically set to 0 * RGB and 0x80000 YCbCr. */ /* FMT_OFFSET_G_Y 31:16 0x0 Setting the zero * offset for the G/Y channel, lower 4LSB is * forced to zeros. Typically set to 0 RGB * and 0x80000 YCbCr. */ /* FMT_OFFSET_B_Cb 31:16 0x0 Setting the zero * offset for the B/Cb channel, lower 4LSB is * forced to zeros. Typically set to 0 RGB and * 0x80000 YCbCr. */ /* Disable High pass filter * Reset only at startup * Set RGB data dithered with x^28+x^3+1 */ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, params->flags.HIGHPASS_RANDOM, FMT_FRAME_RANDOM_ENABLE, params->flags.FRAME_RANDOM, FMT_RGB_RANDOM_ENABLE, params->flags.RGB_RANDOM); /* Set spatial dithering bit depth * Set spatial dithering mode * (default is Seed patterrn AAAA...) * Enable spatial dithering */ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, params->flags.SPATIAL_DITHER_DEPTH, FMT_SPATIAL_DITHER_MODE, params->flags.SPATIAL_DITHER_MODE, FMT_SPATIAL_DITHER_EN, 1); } /** * SetTemporalDither (Frame Modulation) * 1) set temporal dither depth * 2) select pattern: from hard-coded pattern or programmable pattern * 3) select optimized strips for BGR or RGB LCD sub-pixel * 4) set s matrix * 5) set t matrix * 6) set grey level for 0.25, 0.5, 0.75 * 7) enable temporal dithering */ static void set_temporal_dither( struct dce110_opp *opp110, const struct bit_depth_reduction_params *params) { /*Disable temporal (frame modulation) dithering first*/ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_TEMPORAL_DITHER_EN, 0, FMT_TEMPORAL_DITHER_RESET, 0, FMT_TEMPORAL_DITHER_OFFSET, 0); REG_UPDATE_2(FMT_BIT_DEPTH_CONTROL, FMT_TEMPORAL_DITHER_DEPTH, 0, FMT_TEMPORAL_LEVEL, 0); REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_25FRC_SEL, 0, FMT_50FRC_SEL, 0, FMT_75FRC_SEL, 0); /* no 10bpc dither on DCE11*/ if (params->flags.FRAME_MODULATION_ENABLED == 0 || params->flags.FRAME_MODULATION_DEPTH == 2) return; /* Set temporal dithering depth*/ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_TEMPORAL_DITHER_DEPTH, params->flags.FRAME_MODULATION_DEPTH, FMT_TEMPORAL_DITHER_RESET, 0, FMT_TEMPORAL_DITHER_OFFSET, 0); /*Select legacy pattern based on FRC and Temporal level*/ if (REG(FMT_TEMPORAL_DITHER_PATTERN_CONTROL)) { REG_WRITE(FMT_TEMPORAL_DITHER_PATTERN_CONTROL, 0); /*Set s matrix*/ REG_WRITE(FMT_TEMPORAL_DITHER_PROGRAMMABLE_PATTERN_S_MATRIX, 0); /*Set t matrix*/ REG_WRITE(FMT_TEMPORAL_DITHER_PROGRAMMABLE_PATTERN_T_MATRIX, 0); } /*Select patterns for 0.25, 0.5 and 0.75 grey level*/ REG_UPDATE(FMT_BIT_DEPTH_CONTROL, FMT_TEMPORAL_LEVEL, params->flags.TEMPORAL_LEVEL); REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, FMT_25FRC_SEL, params->flags.FRC25, FMT_50FRC_SEL, params->flags.FRC50, FMT_75FRC_SEL, params->flags.FRC75); /*Enable bit reduction by temporal (frame modulation) dithering*/ REG_UPDATE(FMT_BIT_DEPTH_CONTROL, FMT_TEMPORAL_DITHER_EN, 1); } /** * Set Clamping * 1) Set clamping format based on bpc - 0 for 6bpc (No clamping) * 1 for 8 bpc * 2 for 10 bpc * 3 for 12 bpc * 7 for programable * 2) Enable clamp if Limited range requested */ void dce110_opp_set_clamping( struct dce110_opp *opp110, const struct clamping_and_pixel_encoding_params *params) { REG_SET_2(FMT_CLAMP_CNTL, 0, FMT_CLAMP_DATA_EN, 0, FMT_CLAMP_COLOR_FORMAT, 0); switch (params->clamping_level) { case CLAMPING_FULL_RANGE: break; case CLAMPING_LIMITED_RANGE_8BPC: REG_SET_2(FMT_CLAMP_CNTL, 0, FMT_CLAMP_DATA_EN, 1, FMT_CLAMP_COLOR_FORMAT, 1); break; case CLAMPING_LIMITED_RANGE_10BPC: REG_SET_2(FMT_CLAMP_CNTL, 0, FMT_CLAMP_DATA_EN, 1, FMT_CLAMP_COLOR_FORMAT, 2); break; case CLAMPING_LIMITED_RANGE_12BPC: REG_SET_2(FMT_CLAMP_CNTL, 0, FMT_CLAMP_DATA_EN, 1, FMT_CLAMP_COLOR_FORMAT, 3); break; case CLAMPING_LIMITED_RANGE_PROGRAMMABLE: /*Set clamp control*/ REG_SET_2(FMT_CLAMP_CNTL, 0, FMT_CLAMP_DATA_EN, 1, FMT_CLAMP_COLOR_FORMAT, 7); /*set the defaults*/ REG_SET_2(FMT_CLAMP_COMPONENT_R, 0, FMT_CLAMP_LOWER_R, 0x10, FMT_CLAMP_UPPER_R, 0xFEF); REG_SET_2(FMT_CLAMP_COMPONENT_G, 0, FMT_CLAMP_LOWER_G, 0x10, FMT_CLAMP_UPPER_G, 0xFEF); REG_SET_2(FMT_CLAMP_COMPONENT_B, 0, FMT_CLAMP_LOWER_B, 0x10, FMT_CLAMP_UPPER_B, 0xFEF); break; default: break; } } /** * set_pixel_encoding * * Set Pixel Encoding * 0: RGB 4:4:4 or YCbCr 4:4:4 or YOnly * 1: YCbCr 4:2:2 */ static void set_pixel_encoding( struct dce110_opp *opp110, const struct clamping_and_pixel_encoding_params *params) { if (opp110->opp_mask->FMT_CBCR_BIT_REDUCTION_BYPASS) REG_UPDATE_3(FMT_CONTROL, FMT_PIXEL_ENCODING, 0, FMT_SUBSAMPLING_MODE, 0, FMT_CBCR_BIT_REDUCTION_BYPASS, 0); else REG_UPDATE_2(FMT_CONTROL, FMT_PIXEL_ENCODING, 0, FMT_SUBSAMPLING_MODE, 0); if (params->pixel_encoding == PIXEL_ENCODING_YCBCR422) { REG_UPDATE_2(FMT_CONTROL, FMT_PIXEL_ENCODING, 1, FMT_SUBSAMPLING_ORDER, 0); } if (params->pixel_encoding == PIXEL_ENCODING_YCBCR420) { REG_UPDATE_3(FMT_CONTROL, FMT_PIXEL_ENCODING, 2, FMT_SUBSAMPLING_MODE, 2, FMT_CBCR_BIT_REDUCTION_BYPASS, 1); } } void dce110_opp_program_bit_depth_reduction( struct output_pixel_processor *opp, const struct bit_depth_reduction_params *params) { struct dce110_opp *opp110 = TO_DCE110_OPP(opp); set_truncation(opp110, params); set_spatial_dither(opp110, params); set_temporal_dither(opp110, params); } void dce110_opp_program_clamping_and_pixel_encoding( struct output_pixel_processor *opp, const struct clamping_and_pixel_encoding_params *params) { struct dce110_opp *opp110 = TO_DCE110_OPP(opp); dce110_opp_set_clamping(opp110, params); set_pixel_encoding(opp110, params); } static void program_formatter_420_memory(struct output_pixel_processor *opp) { struct dce110_opp *opp110 = TO_DCE110_OPP(opp); uint32_t fmt_mem_cntl_value; /* Program source select*/ /* Use HW default source select for FMT_MEMORYx_CONTROL */ /* Use that value for FMT_SRC_SELECT as well*/ REG_GET(CONTROL, FMT420_MEM0_SOURCE_SEL, &fmt_mem_cntl_value); REG_UPDATE(FMT_CONTROL, FMT_SRC_SELECT, fmt_mem_cntl_value); /* Turn on the memory */ REG_UPDATE(CONTROL, FMT420_MEM0_PWR_FORCE, 0); } void dce110_opp_set_dyn_expansion( struct output_pixel_processor *opp, enum dc_color_space color_sp, enum dc_color_depth color_dpth, enum signal_type signal) { struct dce110_opp *opp110 = TO_DCE110_OPP(opp); REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN, 0, FMT_DYNAMIC_EXP_MODE, 0); /*00 - 10-bit -> 12-bit dynamic expansion*/ /*01 - 8-bit -> 12-bit dynamic expansion*/ if (signal == SIGNAL_TYPE_HDMI_TYPE_A || signal == SIGNAL_TYPE_DISPLAY_PORT || signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { switch (color_dpth) { case COLOR_DEPTH_888: REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN, 1, FMT_DYNAMIC_EXP_MODE, 1); break; case COLOR_DEPTH_101010: REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN, 1, FMT_DYNAMIC_EXP_MODE, 0); break; case COLOR_DEPTH_121212: REG_UPDATE_2( FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN, 1,/*otherwise last two bits are zero*/ FMT_DYNAMIC_EXP_MODE, 0); break; default: break; } } } static void program_formatter_reset_dig_resync_fifo(struct output_pixel_processor *opp) { struct dce110_opp *opp110 = TO_DCE110_OPP(opp); /* clear previous phase lock status*/ REG_UPDATE(FMT_CONTROL, FMT_420_PIXEL_PHASE_LOCKED_CLEAR, 1); /* poll until FMT_420_PIXEL_PHASE_LOCKED become 1*/ REG_WAIT(FMT_CONTROL, FMT_420_PIXEL_PHASE_LOCKED, 1, 10, 10); } void dce110_opp_program_fmt( struct output_pixel_processor *opp, struct bit_depth_reduction_params *fmt_bit_depth, struct clamping_and_pixel_encoding_params *clamping) { /* dithering is affected by , hence should be * programmed afterwards */ if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420) program_formatter_420_memory(opp); dce110_opp_program_bit_depth_reduction( opp, fmt_bit_depth); dce110_opp_program_clamping_and_pixel_encoding( opp, clamping); if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420) program_formatter_reset_dig_resync_fifo(opp); return; } /*****************************************/ /* Constructor, Destructor */ /*****************************************/ static const struct opp_funcs funcs = { .opp_set_dyn_expansion = dce110_opp_set_dyn_expansion, .opp_destroy = dce110_opp_destroy, .opp_program_fmt = dce110_opp_program_fmt, .opp_program_bit_depth_reduction = dce110_opp_program_bit_depth_reduction }; void dce110_opp_construct(struct dce110_opp *opp110, struct dc_context *ctx, uint32_t inst, const struct dce_opp_registers *regs, const struct dce_opp_shift *opp_shift, const struct dce_opp_mask *opp_mask) { opp110->base.funcs = &funcs; opp110->base.ctx = ctx; opp110->base.inst = inst; opp110->regs = regs; opp110->opp_shift = opp_shift; opp110->opp_mask = opp_mask; } void dce110_opp_destroy(struct output_pixel_processor **opp) { if (*opp) kfree(FROM_DCE11_OPP(*opp)); *opp = NULL; }