diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce80/dce80_opp_formatter.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce80/dce80_opp_formatter.c | 577 |
1 files changed, 577 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_opp_formatter.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_opp_formatter.c new file mode 100644 index 000000000000..433296a4ed12 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_opp_formatter.c @@ -0,0 +1,577 @@ +/* + * 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 "dce/dce_8_0_d.h" +#include "dce/dce_8_0_sh_mask.h" + +#include "dce80_opp.h" + +#define FMT_REG(reg)\ + (reg + opp80->offsets.fmt_offset) + +/** + * 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 DCE8 power saving reason. + */ +static void set_truncation( + struct dce80_opp *opp80, + const struct bit_depth_reduction_params *params) +{ + uint32_t value = 0; + uint32_t addr = FMT_REG(mmFMT_BIT_DEPTH_CONTROL); + + /*Disable truncation*/ + value = dm_read_reg(opp80->base.ctx, addr); + set_reg_field_value(value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN); + set_reg_field_value(value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH); + set_reg_field_value(value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_MODE); + + dm_write_reg(opp80->base.ctx, addr, value); + + /* no 10bpc trunc on DCE8*/ + if (params->flags.TRUNCATE_ENABLED == 0 || + params->flags.TRUNCATE_DEPTH == 2) + return; + + /*Set truncation depth and Enable truncation*/ + set_reg_field_value(value, 1, + FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN); + set_reg_field_value(value, params->flags.TRUNCATE_MODE, + FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_MODE); + set_reg_field_value(value, params->flags.TRUNCATE_DEPTH, + FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH); + + dm_write_reg(opp80->base.ctx, addr, value); + +} + +/** + * 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 dce80_opp *opp80, + const struct bit_depth_reduction_params *params) +{ + uint32_t addr = FMT_REG(mmFMT_BIT_DEPTH_CONTROL); + uint32_t depth_cntl_value = 0; + uint32_t dither_r_value = 0; + uint32_t dither_g_value = 0; + uint32_t dither_b_value = 0; + + /*Disable spatial (random) dithering*/ + depth_cntl_value = dm_read_reg(opp80->base.ctx, addr); + set_reg_field_value(depth_cntl_value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN); + set_reg_field_value(depth_cntl_value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_MODE); + set_reg_field_value(depth_cntl_value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH); + set_reg_field_value(depth_cntl_value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_TEMPORAL_DITHER_EN); + set_reg_field_value(depth_cntl_value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE); + set_reg_field_value(depth_cntl_value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE); + set_reg_field_value(depth_cntl_value, 0, + FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE); + + dm_write_reg(opp80->base.ctx, addr, depth_cntl_value); + + /* no 10bpc on DCE8*/ + if (params->flags.SPATIAL_DITHER_ENABLED == 0 || + params->flags.SPATIAL_DITHER_DEPTH == 2) + return; + + /*Set seed for random values for + * spatial dithering for R,G,B channels*/ + addr = FMT_REG(mmFMT_DITHER_RAND_R_SEED); + set_reg_field_value(dither_r_value, params->r_seed_value, + FMT_DITHER_RAND_R_SEED, + FMT_RAND_R_SEED); + dm_write_reg(opp80->base.ctx, addr, dither_r_value); + + addr = FMT_REG(mmFMT_DITHER_RAND_G_SEED); + set_reg_field_value(dither_g_value, + params->g_seed_value, + FMT_DITHER_RAND_G_SEED, + FMT_RAND_G_SEED); + dm_write_reg(opp80->base.ctx, addr, dither_g_value); + + addr = FMT_REG(mmFMT_DITHER_RAND_B_SEED); + set_reg_field_value(dither_b_value, params->b_seed_value, + FMT_DITHER_RAND_B_SEED, + FMT_RAND_B_SEED); + dm_write_reg(opp80->base.ctx, addr, dither_b_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. + */ + + /*Set spatial dithering bit depth*/ + set_reg_field_value(depth_cntl_value, + params->flags.SPATIAL_DITHER_DEPTH, + FMT_BIT_DEPTH_CONTROL, + FMT_SPATIAL_DITHER_DEPTH); + + /* Set spatial dithering mode + * (default is Seed patterrn AAAA...) + */ + set_reg_field_value(depth_cntl_value, + params->flags.SPATIAL_DITHER_MODE, + FMT_BIT_DEPTH_CONTROL, + FMT_SPATIAL_DITHER_MODE); + + /*Reset only at startup*/ + set_reg_field_value(depth_cntl_value, + params->flags.FRAME_RANDOM, + FMT_BIT_DEPTH_CONTROL, + FMT_FRAME_RANDOM_ENABLE); + + /*Set RGB data dithered with x^28+x^3+1*/ + set_reg_field_value(depth_cntl_value, + params->flags.RGB_RANDOM, + FMT_BIT_DEPTH_CONTROL, + FMT_RGB_RANDOM_ENABLE); + + /*Disable High pass filter*/ + set_reg_field_value(depth_cntl_value, + params->flags.HIGHPASS_RANDOM, + FMT_BIT_DEPTH_CONTROL, + FMT_HIGHPASS_RANDOM_ENABLE); + + /*Enable spatial dithering*/ + set_reg_field_value(depth_cntl_value, + 1, + FMT_BIT_DEPTH_CONTROL, + FMT_SPATIAL_DITHER_EN); + + addr = FMT_REG(mmFMT_BIT_DEPTH_CONTROL); + dm_write_reg(opp80->base.ctx, addr, depth_cntl_value); + +} + +/** + * 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 dce80_opp *opp80, + const struct bit_depth_reduction_params *params) +{ + uint32_t addr = FMT_REG(mmFMT_BIT_DEPTH_CONTROL); + uint32_t value; + + /*Disable temporal (frame modulation) dithering first*/ + value = dm_read_reg(opp80->base.ctx, addr); + + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_DITHER_EN); + + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_DITHER_RESET); + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_DITHER_OFFSET); + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_DITHER_DEPTH); + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_LEVEL); + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_25FRC_SEL); + + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_50FRC_SEL); + + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_75FRC_SEL); + + dm_write_reg(opp80->base.ctx, addr, value); + + /* no 10bpc dither on DCE8*/ + if (params->flags.FRAME_MODULATION_ENABLED == 0 || + params->flags.FRAME_MODULATION_DEPTH == 2) + return; + + /* Set temporal dithering depth*/ + set_reg_field_value(value, + params->flags.FRAME_MODULATION_DEPTH, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_DITHER_DEPTH); + + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_DITHER_RESET); + + set_reg_field_value(value, + 0, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_DITHER_OFFSET); + + /*Select legacy pattern based on FRC and Temporal level*/ + addr = FMT_REG(mmFMT_TEMPORAL_DITHER_PATTERN_CONTROL); + dm_write_reg(opp80->base.ctx, addr, 0); + /*Set s matrix*/ + addr = FMT_REG( + mmFMT_TEMPORAL_DITHER_PROGRAMMABLE_PATTERN_S_MATRIX); + dm_write_reg(opp80->base.ctx, addr, 0); + /*Set t matrix*/ + addr = FMT_REG( + mmFMT_TEMPORAL_DITHER_PROGRAMMABLE_PATTERN_T_MATRIX); + dm_write_reg(opp80->base.ctx, addr, 0); + + /*Select patterns for 0.25, 0.5 and 0.75 grey level*/ + set_reg_field_value(value, + params->flags.TEMPORAL_LEVEL, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_LEVEL); + + set_reg_field_value(value, + params->flags.FRC25, + FMT_BIT_DEPTH_CONTROL, + FMT_25FRC_SEL); + + set_reg_field_value(value, + params->flags.FRC50, + FMT_BIT_DEPTH_CONTROL, + FMT_50FRC_SEL); + + set_reg_field_value(value, + params->flags.FRC75, + FMT_BIT_DEPTH_CONTROL, + FMT_75FRC_SEL); + + /*Enable bit reduction by temporal (frame modulation) dithering*/ + set_reg_field_value(value, + 1, + FMT_BIT_DEPTH_CONTROL, + FMT_TEMPORAL_DITHER_EN); + + addr = FMT_REG(mmFMT_BIT_DEPTH_CONTROL); + dm_write_reg(opp80->base.ctx, addr, value); + +} + +/** + * 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 + */ +static void set_clamping( + struct dce80_opp *opp80, + const struct clamping_and_pixel_encoding_params *params) +{ + uint32_t clamp_cntl_value = 0; + uint32_t red_clamp_value = 0; + uint32_t green_clamp_value = 0; + uint32_t blue_clamp_value = 0; + uint32_t addr = FMT_REG(mmFMT_CLAMP_CNTL); + + clamp_cntl_value = dm_read_reg(opp80->base.ctx, addr); + + set_reg_field_value(clamp_cntl_value, + 0, + FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN); + + set_reg_field_value(clamp_cntl_value, + 0, + FMT_CLAMP_CNTL, + FMT_CLAMP_COLOR_FORMAT); + + switch (params->clamping_level) { + case CLAMPING_FULL_RANGE: + break; + + case CLAMPING_LIMITED_RANGE_8BPC: + set_reg_field_value(clamp_cntl_value, + 1, + FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN); + + set_reg_field_value(clamp_cntl_value, + 1, + FMT_CLAMP_CNTL, + FMT_CLAMP_COLOR_FORMAT); + + break; + + case CLAMPING_LIMITED_RANGE_10BPC: + set_reg_field_value(clamp_cntl_value, + 1, + FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN); + + set_reg_field_value(clamp_cntl_value, + 2, + FMT_CLAMP_CNTL, + FMT_CLAMP_COLOR_FORMAT); + + break; + case CLAMPING_LIMITED_RANGE_12BPC: + set_reg_field_value(clamp_cntl_value, + 1, + FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN); + + set_reg_field_value(clamp_cntl_value, + 3, + FMT_CLAMP_CNTL, + FMT_CLAMP_COLOR_FORMAT); + + break; + case CLAMPING_LIMITED_RANGE_PROGRAMMABLE: + set_reg_field_value(clamp_cntl_value, + 1, + FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN); + + set_reg_field_value(clamp_cntl_value, + 7, + FMT_CLAMP_CNTL, + FMT_CLAMP_COLOR_FORMAT); + + /*set the defaults*/ + set_reg_field_value(red_clamp_value, + 0x10, + FMT_CLAMP_COMPONENT_R, + FMT_CLAMP_LOWER_R); + + set_reg_field_value(red_clamp_value, + 0xFEF, + FMT_CLAMP_COMPONENT_R, + FMT_CLAMP_UPPER_R); + + addr = FMT_REG(mmFMT_CLAMP_COMPONENT_R); + dm_write_reg(opp80->base.ctx, addr, red_clamp_value); + + set_reg_field_value(green_clamp_value, + 0x10, + FMT_CLAMP_COMPONENT_G, + FMT_CLAMP_LOWER_G); + + set_reg_field_value(green_clamp_value, + 0xFEF, + FMT_CLAMP_COMPONENT_G, + FMT_CLAMP_UPPER_G); + + addr = FMT_REG(mmFMT_CLAMP_COMPONENT_G); + dm_write_reg(opp80->base.ctx, addr, green_clamp_value); + + set_reg_field_value(blue_clamp_value, + 0x10, + FMT_CLAMP_COMPONENT_B, + FMT_CLAMP_LOWER_B); + + set_reg_field_value(blue_clamp_value, + 0xFEF, + FMT_CLAMP_COMPONENT_B, + FMT_CLAMP_UPPER_B); + + addr = FMT_REG(mmFMT_CLAMP_COMPONENT_B); + dm_write_reg(opp80->base.ctx, addr, blue_clamp_value); + + break; + + default: + break; + } + + addr = FMT_REG(mmFMT_CLAMP_CNTL); + /*Set clamp control*/ + dm_write_reg(opp80->base.ctx, addr, clamp_cntl_value); + +} + +/** + * 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 dce80_opp *opp80, + const struct clamping_and_pixel_encoding_params *params) +{ + uint32_t fmt_cntl_value; + uint32_t addr = FMT_REG(mmFMT_CONTROL); + + /*RGB 4:4:4 or YCbCr 4:4:4 - 0; YCbCr 4:2:2 -1.*/ + fmt_cntl_value = dm_read_reg(opp80->base.ctx, addr); + + set_reg_field_value(fmt_cntl_value, + 0, + FMT_CONTROL, + FMT_PIXEL_ENCODING); + + if (params->pixel_encoding == PIXEL_ENCODING_YCBCR422) { + set_reg_field_value(fmt_cntl_value, + 1, + FMT_CONTROL, + FMT_PIXEL_ENCODING); + + /*00 - Pixels drop mode ,01 - Pixels average mode*/ + set_reg_field_value(fmt_cntl_value, + 0, + FMT_CONTROL, + FMT_SUBSAMPLING_MODE); + + /*00 - Cb before Cr ,01 - Cr before Cb*/ + set_reg_field_value(fmt_cntl_value, + 0, + FMT_CONTROL, + FMT_SUBSAMPLING_ORDER); + } + dm_write_reg(opp80->base.ctx, addr, fmt_cntl_value); + +} + +void dce80_opp_program_bit_depth_reduction( + struct output_pixel_processor *opp, + const struct bit_depth_reduction_params *params) +{ + struct dce80_opp *opp80 = TO_DCE80_OPP(opp); + + set_truncation(opp80, params); + set_spatial_dither(opp80, params); + set_temporal_dither(opp80, params); +} + +void dce80_opp_program_clamping_and_pixel_encoding( + struct output_pixel_processor *opp, + const struct clamping_and_pixel_encoding_params *params) +{ + struct dce80_opp *opp80 = TO_DCE80_OPP(opp); + + set_clamping(opp80, params); + set_pixel_encoding(opp80, params); +} + +void dce80_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 dce80_opp *opp80 = TO_DCE80_OPP(opp); + uint32_t value; + bool enable_dyn_exp = false; + uint32_t addr = FMT_REG(mmFMT_DYNAMIC_EXP_CNTL); + + value = dm_read_reg(opp->ctx, addr); + + set_reg_field_value(value, 0, + FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN); + set_reg_field_value(value, 0, + FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_MODE); + + /* From HW programming guide: + FMT_DYNAMIC_EXP_EN = 0 for limited RGB or YCbCr output + FMT_DYNAMIC_EXP_EN = 1 for RGB full range only*/ + if (color_sp == COLOR_SPACE_SRGB) + enable_dyn_exp = true; + + /*00 - 10-bit -> 12-bit dynamic expansion*/ + /*01 - 8-bit -> 12-bit dynamic expansion*/ + if (signal == SIGNAL_TYPE_HDMI_TYPE_A) { + switch (color_dpth) { + case COLOR_DEPTH_888: + set_reg_field_value(value, enable_dyn_exp ? 1:0, + FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN); + set_reg_field_value(value, 1, + FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_MODE); + break; + case COLOR_DEPTH_101010: + set_reg_field_value(value, enable_dyn_exp ? 1:0, + FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN); + set_reg_field_value(value, 0, + FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_MODE); + break; + case COLOR_DEPTH_121212: + break; + default: + break; + } + } + + dm_write_reg(opp->ctx, addr, value); +} |