diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_opp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_opp.c | 567 |
1 files changed, 567 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c new file mode 100644 index 000000000000..3931412ab6d3 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c @@ -0,0 +1,567 @@ +/* + * 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 || + params->flags.TRUNCATE_DEPTH == 2) + return; + /*Set truncation depth and Enable truncation*/ + REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, + FMT_TRUNCATE_EN, 1, + FMT_TRUNCATE_DEPTH, + params->flags.TRUNCATE_MODE, + FMT_TRUNCATE_MODE, + params->flags.TRUNCATE_DEPTH); +} + + +/** + * set_spatial_dither + * 1) set spatial dithering mode: pattern of seed + * 2) set spatical 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 <CrtcSourceSelect>, 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; +} + |