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path: root/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_transform.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dce_transform.c1463
1 files changed, 1463 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
new file mode 100644
index 000000000000..ae32af31eff1
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
@@ -0,0 +1,1463 @@
+/*
+ * Copyright 2012-16 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 "dce_transform.h"
+#include "reg_helper.h"
+#include "opp.h"
+#include "basics/conversion.h"
+#include "dc.h"
+
+#define REG(reg) \
+ (xfm_dce->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+ xfm_dce->xfm_shift->field_name, xfm_dce->xfm_mask->field_name
+
+#define CTX \
+ xfm_dce->base.ctx
+
+#define IDENTITY_RATIO(ratio) (dal_fixed31_32_u2d19(ratio) == (1 << 19))
+#define GAMUT_MATRIX_SIZE 12
+#define SCL_PHASES 16
+
+enum dcp_out_trunc_round_mode {
+ DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE,
+ DCP_OUT_TRUNC_ROUND_MODE_ROUND
+};
+
+enum dcp_out_trunc_round_depth {
+ DCP_OUT_TRUNC_ROUND_DEPTH_14BIT,
+ DCP_OUT_TRUNC_ROUND_DEPTH_13BIT,
+ DCP_OUT_TRUNC_ROUND_DEPTH_12BIT,
+ DCP_OUT_TRUNC_ROUND_DEPTH_11BIT,
+ DCP_OUT_TRUNC_ROUND_DEPTH_10BIT,
+ DCP_OUT_TRUNC_ROUND_DEPTH_9BIT,
+ DCP_OUT_TRUNC_ROUND_DEPTH_8BIT
+};
+
+/* defines the various methods of bit reduction available for use */
+enum dcp_bit_depth_reduction_mode {
+ DCP_BIT_DEPTH_REDUCTION_MODE_DITHER,
+ DCP_BIT_DEPTH_REDUCTION_MODE_ROUND,
+ DCP_BIT_DEPTH_REDUCTION_MODE_TRUNCATE,
+ DCP_BIT_DEPTH_REDUCTION_MODE_DISABLED,
+ DCP_BIT_DEPTH_REDUCTION_MODE_INVALID
+};
+
+enum dcp_spatial_dither_mode {
+ DCP_SPATIAL_DITHER_MODE_AAAA,
+ DCP_SPATIAL_DITHER_MODE_A_AA_A,
+ DCP_SPATIAL_DITHER_MODE_AABBAABB,
+ DCP_SPATIAL_DITHER_MODE_AABBCCAABBCC,
+ DCP_SPATIAL_DITHER_MODE_INVALID
+};
+
+enum dcp_spatial_dither_depth {
+ DCP_SPATIAL_DITHER_DEPTH_30BPP,
+ DCP_SPATIAL_DITHER_DEPTH_24BPP
+};
+
+enum csc_color_mode {
+ /* 00 - BITS2:0 Bypass */
+ CSC_COLOR_MODE_GRAPHICS_BYPASS,
+ /* 01 - hard coded coefficient TV RGB */
+ CSC_COLOR_MODE_GRAPHICS_PREDEFINED,
+ /* 04 - programmable OUTPUT CSC coefficient */
+ CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC,
+};
+
+enum grph_color_adjust_option {
+ GRPH_COLOR_MATRIX_HW_DEFAULT = 1,
+ GRPH_COLOR_MATRIX_SW
+};
+
+static const struct out_csc_color_matrix global_color_matrix[] = {
+{ COLOR_SPACE_SRGB,
+ { 0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
+{ COLOR_SPACE_SRGB_LIMITED,
+ { 0x1B60, 0, 0, 0x200, 0, 0x1B60, 0, 0x200, 0, 0, 0x1B60, 0x200} },
+{ COLOR_SPACE_YCBCR601,
+ { 0xE00, 0xF447, 0xFDB9, 0x1000, 0x82F, 0x1012, 0x31F, 0x200, 0xFB47,
+ 0xF6B9, 0xE00, 0x1000} },
+{ COLOR_SPACE_YCBCR709, { 0xE00, 0xF349, 0xFEB7, 0x1000, 0x5D2, 0x1394, 0x1FA,
+ 0x200, 0xFCCB, 0xF535, 0xE00, 0x1000} },
+/* TODO: correct values below */
+{ COLOR_SPACE_YCBCR601_LIMITED, { 0xE00, 0xF447, 0xFDB9, 0x1000, 0x991,
+ 0x12C9, 0x3A6, 0x200, 0xFB47, 0xF6B9, 0xE00, 0x1000} },
+{ COLOR_SPACE_YCBCR709_LIMITED, { 0xE00, 0xF349, 0xFEB7, 0x1000, 0x6CE, 0x16E3,
+ 0x24F, 0x200, 0xFCCB, 0xF535, 0xE00, 0x1000} }
+};
+
+static bool setup_scaling_configuration(
+ struct dce_transform *xfm_dce,
+ const struct scaler_data *data)
+{
+ REG_SET(SCL_BYPASS_CONTROL, 0, SCL_BYPASS_MODE, 0);
+
+ if (data->taps.h_taps + data->taps.v_taps <= 2) {
+ /* Set bypass */
+ if (xfm_dce->xfm_mask->SCL_PSCL_EN != 0)
+ REG_UPDATE_2(SCL_MODE, SCL_MODE, 0, SCL_PSCL_EN, 0);
+ else
+ REG_UPDATE(SCL_MODE, SCL_MODE, 0);
+ return false;
+ }
+
+ REG_SET_2(SCL_TAP_CONTROL, 0,
+ SCL_H_NUM_OF_TAPS, data->taps.h_taps - 1,
+ SCL_V_NUM_OF_TAPS, data->taps.v_taps - 1);
+
+ if (data->format <= PIXEL_FORMAT_GRPH_END)
+ REG_UPDATE(SCL_MODE, SCL_MODE, 1);
+ else
+ REG_UPDATE(SCL_MODE, SCL_MODE, 2);
+
+ if (xfm_dce->xfm_mask->SCL_PSCL_EN != 0)
+ REG_UPDATE(SCL_MODE, SCL_PSCL_EN, 1);
+
+ /* 1 - Replace out of bound pixels with edge */
+ REG_SET(SCL_CONTROL, 0, SCL_BOUNDARY_MODE, 1);
+
+ return true;
+}
+
+static void program_overscan(
+ struct dce_transform *xfm_dce,
+ const struct scaler_data *data)
+{
+ int overscan_right = data->h_active
+ - data->recout.x - data->recout.width;
+ int overscan_bottom = data->v_active
+ - data->recout.y - data->recout.height;
+
+ if (xfm_dce->base.ctx->dc->debug.surface_visual_confirm) {
+ overscan_bottom += 2;
+ overscan_right += 2;
+ }
+
+ if (overscan_right < 0) {
+ BREAK_TO_DEBUGGER();
+ overscan_right = 0;
+ }
+ if (overscan_bottom < 0) {
+ BREAK_TO_DEBUGGER();
+ overscan_bottom = 0;
+ }
+
+ REG_SET_2(EXT_OVERSCAN_LEFT_RIGHT, 0,
+ EXT_OVERSCAN_LEFT, data->recout.x,
+ EXT_OVERSCAN_RIGHT, overscan_right);
+ REG_SET_2(EXT_OVERSCAN_TOP_BOTTOM, 0,
+ EXT_OVERSCAN_TOP, data->recout.y,
+ EXT_OVERSCAN_BOTTOM, overscan_bottom);
+}
+
+static void program_multi_taps_filter(
+ struct dce_transform *xfm_dce,
+ int taps,
+ const uint16_t *coeffs,
+ enum ram_filter_type filter_type)
+{
+ int phase, pair;
+ int array_idx = 0;
+ int taps_pairs = (taps + 1) / 2;
+ int phases_to_program = SCL_PHASES / 2 + 1;
+
+ uint32_t power_ctl = 0;
+
+ if (!coeffs)
+ return;
+
+ /*We need to disable power gating on coeff memory to do programming*/
+ if (REG(DCFE_MEM_PWR_CTRL)) {
+ power_ctl = REG_READ(DCFE_MEM_PWR_CTRL);
+ REG_SET(DCFE_MEM_PWR_CTRL, power_ctl, SCL_COEFF_MEM_PWR_DIS, 1);
+
+ REG_WAIT(DCFE_MEM_PWR_STATUS, SCL_COEFF_MEM_PWR_STATE, 0, 1, 10);
+ }
+ for (phase = 0; phase < phases_to_program; phase++) {
+ /*we always program N/2 + 1 phases, total phases N, but N/2-1 are just mirror
+ phase 0 is unique and phase N/2 is unique if N is even*/
+ for (pair = 0; pair < taps_pairs; pair++) {
+ uint16_t odd_coeff = 0;
+ uint16_t even_coeff = coeffs[array_idx];
+
+ REG_SET_3(SCL_COEF_RAM_SELECT, 0,
+ SCL_C_RAM_FILTER_TYPE, filter_type,
+ SCL_C_RAM_PHASE, phase,
+ SCL_C_RAM_TAP_PAIR_IDX, pair);
+
+ if (taps % 2 && pair == taps_pairs - 1)
+ array_idx++;
+ else {
+ odd_coeff = coeffs[array_idx + 1];
+ array_idx += 2;
+ }
+
+ REG_SET_4(SCL_COEF_RAM_TAP_DATA, 0,
+ SCL_C_RAM_EVEN_TAP_COEF_EN, 1,
+ SCL_C_RAM_EVEN_TAP_COEF, even_coeff,
+ SCL_C_RAM_ODD_TAP_COEF_EN, 1,
+ SCL_C_RAM_ODD_TAP_COEF, odd_coeff);
+ }
+ }
+
+ /*We need to restore power gating on coeff memory to initial state*/
+ if (REG(DCFE_MEM_PWR_CTRL))
+ REG_WRITE(DCFE_MEM_PWR_CTRL, power_ctl);
+}
+
+static void program_viewport(
+ struct dce_transform *xfm_dce,
+ const struct rect *view_port)
+{
+ REG_SET_2(VIEWPORT_START, 0,
+ VIEWPORT_X_START, view_port->x,
+ VIEWPORT_Y_START, view_port->y);
+
+ REG_SET_2(VIEWPORT_SIZE, 0,
+ VIEWPORT_HEIGHT, view_port->height,
+ VIEWPORT_WIDTH, view_port->width);
+
+ /* TODO: add stereo support */
+}
+
+static void calculate_inits(
+ struct dce_transform *xfm_dce,
+ const struct scaler_data *data,
+ struct scl_ratios_inits *inits)
+{
+ struct fixed31_32 h_init;
+ struct fixed31_32 v_init;
+
+ inits->h_int_scale_ratio =
+ dal_fixed31_32_u2d19(data->ratios.horz) << 5;
+ inits->v_int_scale_ratio =
+ dal_fixed31_32_u2d19(data->ratios.vert) << 5;
+
+ h_init =
+ dal_fixed31_32_div_int(
+ dal_fixed31_32_add(
+ data->ratios.horz,
+ dal_fixed31_32_from_int(data->taps.h_taps + 1)),
+ 2);
+ inits->h_init.integer = dal_fixed31_32_floor(h_init);
+ inits->h_init.fraction = dal_fixed31_32_u0d19(h_init) << 5;
+
+ v_init =
+ dal_fixed31_32_div_int(
+ dal_fixed31_32_add(
+ data->ratios.vert,
+ dal_fixed31_32_from_int(data->taps.v_taps + 1)),
+ 2);
+ inits->v_init.integer = dal_fixed31_32_floor(v_init);
+ inits->v_init.fraction = dal_fixed31_32_u0d19(v_init) << 5;
+}
+
+static void program_scl_ratios_inits(
+ struct dce_transform *xfm_dce,
+ struct scl_ratios_inits *inits)
+{
+
+ REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0,
+ SCL_H_SCALE_RATIO, inits->h_int_scale_ratio);
+
+ REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0,
+ SCL_V_SCALE_RATIO, inits->v_int_scale_ratio);
+
+ REG_SET_2(SCL_HORZ_FILTER_INIT, 0,
+ SCL_H_INIT_INT, inits->h_init.integer,
+ SCL_H_INIT_FRAC, inits->h_init.fraction);
+
+ REG_SET_2(SCL_VERT_FILTER_INIT, 0,
+ SCL_V_INIT_INT, inits->v_init.integer,
+ SCL_V_INIT_FRAC, inits->v_init.fraction);
+
+ REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0);
+}
+
+static const uint16_t *get_filter_coeffs_16p(int taps, struct fixed31_32 ratio)
+{
+ if (taps == 4)
+ return get_filter_4tap_16p(ratio);
+ else if (taps == 3)
+ return get_filter_3tap_16p(ratio);
+ else if (taps == 2)
+ return get_filter_2tap_16p();
+ else if (taps == 1)
+ return NULL;
+ else {
+ /* should never happen, bug */
+ BREAK_TO_DEBUGGER();
+ return NULL;
+ }
+}
+
+static void dce_transform_set_scaler(
+ struct transform *xfm,
+ const struct scaler_data *data)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+ bool is_scaling_required;
+ bool filter_updated = false;
+ const uint16_t *coeffs_v, *coeffs_h;
+
+ /*Use all three pieces of memory always*/
+ REG_SET_2(LB_MEMORY_CTRL, 0,
+ LB_MEMORY_CONFIG, 0,
+ LB_MEMORY_SIZE, xfm_dce->lb_memory_size);
+
+ /* Clear SCL_F_SHARP_CONTROL value to 0 */
+ REG_WRITE(SCL_F_SHARP_CONTROL, 0);
+
+ /* 1. Program overscan */
+ program_overscan(xfm_dce, data);
+
+ /* 2. Program taps and configuration */
+ is_scaling_required = setup_scaling_configuration(xfm_dce, data);
+
+ if (is_scaling_required) {
+ /* 3. Calculate and program ratio, filter initialization */
+ struct scl_ratios_inits inits = { 0 };
+
+ calculate_inits(xfm_dce, data, &inits);
+
+ program_scl_ratios_inits(xfm_dce, &inits);
+
+ coeffs_v = get_filter_coeffs_16p(data->taps.v_taps, data->ratios.vert);
+ coeffs_h = get_filter_coeffs_16p(data->taps.h_taps, data->ratios.horz);
+
+ if (coeffs_v != xfm_dce->filter_v || coeffs_h != xfm_dce->filter_h) {
+ /* 4. Program vertical filters */
+ if (xfm_dce->filter_v == NULL)
+ REG_SET(SCL_VERT_FILTER_CONTROL, 0,
+ SCL_V_2TAP_HARDCODE_COEF_EN, 0);
+ program_multi_taps_filter(
+ xfm_dce,
+ data->taps.v_taps,
+ coeffs_v,
+ FILTER_TYPE_RGB_Y_VERTICAL);
+ program_multi_taps_filter(
+ xfm_dce,
+ data->taps.v_taps,
+ coeffs_v,
+ FILTER_TYPE_ALPHA_VERTICAL);
+
+ /* 5. Program horizontal filters */
+ if (xfm_dce->filter_h == NULL)
+ REG_SET(SCL_HORZ_FILTER_CONTROL, 0,
+ SCL_H_2TAP_HARDCODE_COEF_EN, 0);
+ program_multi_taps_filter(
+ xfm_dce,
+ data->taps.h_taps,
+ coeffs_h,
+ FILTER_TYPE_RGB_Y_HORIZONTAL);
+ program_multi_taps_filter(
+ xfm_dce,
+ data->taps.h_taps,
+ coeffs_h,
+ FILTER_TYPE_ALPHA_HORIZONTAL);
+
+ xfm_dce->filter_v = coeffs_v;
+ xfm_dce->filter_h = coeffs_h;
+ filter_updated = true;
+ }
+ }
+
+ /* 6. Program the viewport */
+ program_viewport(xfm_dce, &data->viewport);
+
+ /* 7. Set bit to flip to new coefficient memory */
+ if (filter_updated)
+ REG_UPDATE(SCL_UPDATE, SCL_COEF_UPDATE_COMPLETE, 1);
+
+ REG_UPDATE(LB_DATA_FORMAT, ALPHA_EN, data->lb_params.alpha_en);
+}
+
+/*****************************************************************************
+ * set_clamp
+ *
+ * @param depth : bit depth to set the clamp to (should match denorm)
+ *
+ * @brief
+ * Programs clamp according to panel bit depth.
+ *
+ *******************************************************************************/
+static void set_clamp(
+ struct dce_transform *xfm_dce,
+ enum dc_color_depth depth)
+{
+ int clamp_max = 0;
+
+ /* At the clamp block the data will be MSB aligned, so we set the max
+ * clamp accordingly.
+ * For example, the max value for 6 bits MSB aligned (14 bit bus) would
+ * be "11 1111 0000 0000" in binary, so 0x3F00.
+ */
+ switch (depth) {
+ case COLOR_DEPTH_666:
+ /* 6bit MSB aligned on 14 bit bus '11 1111 0000 0000' */
+ clamp_max = 0x3F00;
+ break;
+ case COLOR_DEPTH_888:
+ /* 8bit MSB aligned on 14 bit bus '11 1111 1100 0000' */
+ clamp_max = 0x3FC0;
+ break;
+ case COLOR_DEPTH_101010:
+ /* 10bit MSB aligned on 14 bit bus '11 1111 1111 1100' */
+ clamp_max = 0x3FFC;
+ break;
+ case COLOR_DEPTH_121212:
+ /* 12bit MSB aligned on 14 bit bus '11 1111 1111 1111' */
+ clamp_max = 0x3FFF;
+ break;
+ default:
+ clamp_max = 0x3FC0;
+ BREAK_TO_DEBUGGER(); /* Invalid clamp bit depth */
+ }
+ REG_SET_2(OUT_CLAMP_CONTROL_B_CB, 0,
+ OUT_CLAMP_MIN_B_CB, 0,
+ OUT_CLAMP_MAX_B_CB, clamp_max);
+
+ REG_SET_2(OUT_CLAMP_CONTROL_G_Y, 0,
+ OUT_CLAMP_MIN_G_Y, 0,
+ OUT_CLAMP_MAX_G_Y, clamp_max);
+
+ REG_SET_2(OUT_CLAMP_CONTROL_R_CR, 0,
+ OUT_CLAMP_MIN_R_CR, 0,
+ OUT_CLAMP_MAX_R_CR, clamp_max);
+}
+
+/*******************************************************************************
+ * set_round
+ *
+ * @brief
+ * Programs Round/Truncate
+ *
+ * @param [in] mode :round or truncate
+ * @param [in] depth :bit depth to round/truncate to
+ OUT_ROUND_TRUNC_MODE 3:0 0xA Output data round or truncate mode
+ POSSIBLE VALUES:
+ 00 - truncate to u0.12
+ 01 - truncate to u0.11
+ 02 - truncate to u0.10
+ 03 - truncate to u0.9
+ 04 - truncate to u0.8
+ 05 - reserved
+ 06 - truncate to u0.14
+ 07 - truncate to u0.13 set_reg_field_value(
+ value,
+ clamp_max,
+ OUT_CLAMP_CONTROL_R_CR,
+ OUT_CLAMP_MAX_R_CR);
+ 08 - round to u0.12
+ 09 - round to u0.11
+ 10 - round to u0.10
+ 11 - round to u0.9
+ 12 - round to u0.8
+ 13 - reserved
+ 14 - round to u0.14
+ 15 - round to u0.13
+
+ ******************************************************************************/
+static void set_round(
+ struct dce_transform *xfm_dce,
+ enum dcp_out_trunc_round_mode mode,
+ enum dcp_out_trunc_round_depth depth)
+{
+ int depth_bits = 0;
+ int mode_bit = 0;
+
+ /* set up bit depth */
+ switch (depth) {
+ case DCP_OUT_TRUNC_ROUND_DEPTH_14BIT:
+ depth_bits = 6;
+ break;
+ case DCP_OUT_TRUNC_ROUND_DEPTH_13BIT:
+ depth_bits = 7;
+ break;
+ case DCP_OUT_TRUNC_ROUND_DEPTH_12BIT:
+ depth_bits = 0;
+ break;
+ case DCP_OUT_TRUNC_ROUND_DEPTH_11BIT:
+ depth_bits = 1;
+ break;
+ case DCP_OUT_TRUNC_ROUND_DEPTH_10BIT:
+ depth_bits = 2;
+ break;
+ case DCP_OUT_TRUNC_ROUND_DEPTH_9BIT:
+ depth_bits = 3;
+ break;
+ case DCP_OUT_TRUNC_ROUND_DEPTH_8BIT:
+ depth_bits = 4;
+ break;
+ default:
+ depth_bits = 4;
+ BREAK_TO_DEBUGGER(); /* Invalid dcp_out_trunc_round_depth */
+ }
+
+ /* set up round or truncate */
+ switch (mode) {
+ case DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE:
+ mode_bit = 0;
+ break;
+ case DCP_OUT_TRUNC_ROUND_MODE_ROUND:
+ mode_bit = 1;
+ break;
+ default:
+ BREAK_TO_DEBUGGER(); /* Invalid dcp_out_trunc_round_mode */
+ }
+
+ depth_bits |= mode_bit << 3;
+
+ REG_SET(OUT_ROUND_CONTROL, 0, OUT_ROUND_TRUNC_MODE, depth_bits);
+}
+
+/*****************************************************************************
+ * set_dither
+ *
+ * @brief
+ * Programs Dither
+ *
+ * @param [in] dither_enable : enable dither
+ * @param [in] dither_mode : dither mode to set
+ * @param [in] dither_depth : bit depth to dither to
+ * @param [in] frame_random_enable : enable frame random
+ * @param [in] rgb_random_enable : enable rgb random
+ * @param [in] highpass_random_enable : enable highpass random
+ *
+ ******************************************************************************/
+
+static void set_dither(
+ struct dce_transform *xfm_dce,
+ bool dither_enable,
+ enum dcp_spatial_dither_mode dither_mode,
+ enum dcp_spatial_dither_depth dither_depth,
+ bool frame_random_enable,
+ bool rgb_random_enable,
+ bool highpass_random_enable)
+{
+ int dither_depth_bits = 0;
+ int dither_mode_bits = 0;
+
+ switch (dither_mode) {
+ case DCP_SPATIAL_DITHER_MODE_AAAA:
+ dither_mode_bits = 0;
+ break;
+ case DCP_SPATIAL_DITHER_MODE_A_AA_A:
+ dither_mode_bits = 1;
+ break;
+ case DCP_SPATIAL_DITHER_MODE_AABBAABB:
+ dither_mode_bits = 2;
+ break;
+ case DCP_SPATIAL_DITHER_MODE_AABBCCAABBCC:
+ dither_mode_bits = 3;
+ break;
+ default:
+ /* Invalid dcp_spatial_dither_mode */
+ BREAK_TO_DEBUGGER();
+ }
+
+ switch (dither_depth) {
+ case DCP_SPATIAL_DITHER_DEPTH_30BPP:
+ dither_depth_bits = 0;
+ break;
+ case DCP_SPATIAL_DITHER_DEPTH_24BPP:
+ dither_depth_bits = 1;
+ break;
+ default:
+ /* Invalid dcp_spatial_dither_depth */
+ BREAK_TO_DEBUGGER();
+ }
+
+ /* write the register */
+ REG_SET_6(DCP_SPATIAL_DITHER_CNTL, 0,
+ DCP_SPATIAL_DITHER_EN, dither_enable,
+ DCP_SPATIAL_DITHER_MODE, dither_mode_bits,
+ DCP_SPATIAL_DITHER_DEPTH, dither_depth_bits,
+ DCP_FRAME_RANDOM_ENABLE, frame_random_enable,
+ DCP_RGB_RANDOM_ENABLE, rgb_random_enable,
+ DCP_HIGHPASS_RANDOM_ENABLE, highpass_random_enable);
+}
+
+/*****************************************************************************
+ * dce_transform_bit_depth_reduction_program
+ *
+ * @brief
+ * Programs the DCP bit depth reduction registers (Clamp, Round/Truncate,
+ * Dither) for dce
+ *
+ * @param depth : bit depth to set the clamp to (should match denorm)
+ *
+ ******************************************************************************/
+static void program_bit_depth_reduction(
+ struct dce_transform *xfm_dce,
+ enum dc_color_depth depth,
+ const struct bit_depth_reduction_params *bit_depth_params)
+{
+ enum dcp_bit_depth_reduction_mode depth_reduction_mode;
+ enum dcp_spatial_dither_mode spatial_dither_mode;
+ bool frame_random_enable;
+ bool rgb_random_enable;
+ bool highpass_random_enable;
+
+ ASSERT(depth < COLOR_DEPTH_121212); /* Invalid clamp bit depth */
+
+ if (bit_depth_params->flags.SPATIAL_DITHER_ENABLED) {
+ depth_reduction_mode = DCP_BIT_DEPTH_REDUCTION_MODE_DITHER;
+ frame_random_enable = true;
+ rgb_random_enable = true;
+ highpass_random_enable = true;
+
+ } else {
+ depth_reduction_mode = DCP_BIT_DEPTH_REDUCTION_MODE_DISABLED;
+ frame_random_enable = false;
+ rgb_random_enable = false;
+ highpass_random_enable = false;
+ }
+
+ spatial_dither_mode = DCP_SPATIAL_DITHER_MODE_A_AA_A;
+
+ set_clamp(xfm_dce, depth);
+
+ switch (depth_reduction_mode) {
+ case DCP_BIT_DEPTH_REDUCTION_MODE_DITHER:
+ /* Spatial Dither: Set round/truncate to bypass (12bit),
+ * enable Dither (30bpp) */
+ set_round(xfm_dce,
+ DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE,
+ DCP_OUT_TRUNC_ROUND_DEPTH_12BIT);
+
+ set_dither(xfm_dce, true, spatial_dither_mode,
+ DCP_SPATIAL_DITHER_DEPTH_30BPP, frame_random_enable,
+ rgb_random_enable, highpass_random_enable);
+ break;
+ case DCP_BIT_DEPTH_REDUCTION_MODE_ROUND:
+ /* Round: Enable round (10bit), disable Dither */
+ set_round(xfm_dce,
+ DCP_OUT_TRUNC_ROUND_MODE_ROUND,
+ DCP_OUT_TRUNC_ROUND_DEPTH_10BIT);
+
+ set_dither(xfm_dce, false, spatial_dither_mode,
+ DCP_SPATIAL_DITHER_DEPTH_30BPP, frame_random_enable,
+ rgb_random_enable, highpass_random_enable);
+ break;
+ case DCP_BIT_DEPTH_REDUCTION_MODE_TRUNCATE: /* Truncate */
+ /* Truncate: Enable truncate (10bit), disable Dither */
+ set_round(xfm_dce,
+ DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE,
+ DCP_OUT_TRUNC_ROUND_DEPTH_10BIT);
+
+ set_dither(xfm_dce, false, spatial_dither_mode,
+ DCP_SPATIAL_DITHER_DEPTH_30BPP, frame_random_enable,
+ rgb_random_enable, highpass_random_enable);
+ break;
+
+ case DCP_BIT_DEPTH_REDUCTION_MODE_DISABLED: /* Disabled */
+ /* Truncate: Set round/truncate to bypass (12bit),
+ * disable Dither */
+ set_round(xfm_dce,
+ DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE,
+ DCP_OUT_TRUNC_ROUND_DEPTH_12BIT);
+
+ set_dither(xfm_dce, false, spatial_dither_mode,
+ DCP_SPATIAL_DITHER_DEPTH_30BPP, frame_random_enable,
+ rgb_random_enable, highpass_random_enable);
+ break;
+ default:
+ /* Invalid DCP Depth reduction mode */
+ BREAK_TO_DEBUGGER();
+ break;
+ }
+}
+
+static int dce_transform_get_max_num_of_supported_lines(
+ struct dce_transform *xfm_dce,
+ enum lb_pixel_depth depth,
+ int pixel_width)
+{
+ int pixels_per_entries = 0;
+ int max_pixels_supports = 0;
+
+ ASSERT(pixel_width);
+
+ /* Find number of pixels that can fit into a single LB entry and
+ * take floor of the value since we cannot store a single pixel
+ * across multiple entries. */
+ switch (depth) {
+ case LB_PIXEL_DEPTH_18BPP:
+ pixels_per_entries = xfm_dce->lb_bits_per_entry / 18;
+ break;
+
+ case LB_PIXEL_DEPTH_24BPP:
+ pixels_per_entries = xfm_dce->lb_bits_per_entry / 24;
+ break;
+
+ case LB_PIXEL_DEPTH_30BPP:
+ pixels_per_entries = xfm_dce->lb_bits_per_entry / 30;
+ break;
+
+ case LB_PIXEL_DEPTH_36BPP:
+ pixels_per_entries = xfm_dce->lb_bits_per_entry / 36;
+ break;
+
+ default:
+ dm_logger_write(xfm_dce->base.ctx->logger, LOG_WARNING,
+ "%s: Invalid LB pixel depth",
+ __func__);
+ BREAK_TO_DEBUGGER();
+ break;
+ }
+
+ ASSERT(pixels_per_entries);
+
+ max_pixels_supports =
+ pixels_per_entries *
+ xfm_dce->lb_memory_size;
+
+ return (max_pixels_supports / pixel_width);
+}
+
+static void set_denormalization(
+ struct dce_transform *xfm_dce,
+ enum dc_color_depth depth)
+{
+ int denorm_mode = 0;
+
+ switch (depth) {
+ case COLOR_DEPTH_666:
+ /* 63/64 for 6 bit output color depth */
+ denorm_mode = 1;
+ break;
+ case COLOR_DEPTH_888:
+ /* Unity for 8 bit output color depth
+ * because prescale is disabled by default */
+ denorm_mode = 0;
+ break;
+ case COLOR_DEPTH_101010:
+ /* 1023/1024 for 10 bit output color depth */
+ denorm_mode = 3;
+ break;
+ case COLOR_DEPTH_121212:
+ /* 4095/4096 for 12 bit output color depth */
+ denorm_mode = 5;
+ break;
+ case COLOR_DEPTH_141414:
+ case COLOR_DEPTH_161616:
+ default:
+ /* not valid used case! */
+ break;
+ }
+
+ REG_SET(DENORM_CONTROL, 0, DENORM_MODE, denorm_mode);
+}
+
+static void dce_transform_set_pixel_storage_depth(
+ struct transform *xfm,
+ enum lb_pixel_depth depth,
+ const struct bit_depth_reduction_params *bit_depth_params)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+ int pixel_depth, expan_mode;
+ enum dc_color_depth color_depth;
+
+ switch (depth) {
+ case LB_PIXEL_DEPTH_18BPP:
+ color_depth = COLOR_DEPTH_666;
+ pixel_depth = 2;
+ expan_mode = 1;
+ break;
+ case LB_PIXEL_DEPTH_24BPP:
+ color_depth = COLOR_DEPTH_888;
+ pixel_depth = 1;
+ expan_mode = 1;
+ break;
+ case LB_PIXEL_DEPTH_30BPP:
+ color_depth = COLOR_DEPTH_101010;
+ pixel_depth = 0;
+ expan_mode = 1;
+ break;
+ case LB_PIXEL_DEPTH_36BPP:
+ color_depth = COLOR_DEPTH_121212;
+ pixel_depth = 3;
+ expan_mode = 0;
+ break;
+ default:
+ color_depth = COLOR_DEPTH_101010;
+ pixel_depth = 0;
+ expan_mode = 1;
+ BREAK_TO_DEBUGGER();
+ break;
+ }
+
+ set_denormalization(xfm_dce, color_depth);
+ program_bit_depth_reduction(xfm_dce, color_depth, bit_depth_params);
+
+ REG_UPDATE_2(LB_DATA_FORMAT,
+ PIXEL_DEPTH, pixel_depth,
+ PIXEL_EXPAN_MODE, expan_mode);
+
+ if (!(xfm_dce->lb_pixel_depth_supported & depth)) {
+ /*we should use unsupported capabilities
+ * unless it is required by w/a*/
+ dm_logger_write(xfm->ctx->logger, LOG_WARNING,
+ "%s: Capability not supported",
+ __func__);
+ }
+}
+
+static void program_gamut_remap(
+ struct dce_transform *xfm_dce,
+ const uint16_t *reg_val)
+{
+ if (reg_val) {
+ REG_SET_2(GAMUT_REMAP_C11_C12, 0,
+ GAMUT_REMAP_C11, reg_val[0],
+ GAMUT_REMAP_C12, reg_val[1]);
+ REG_SET_2(GAMUT_REMAP_C13_C14, 0,
+ GAMUT_REMAP_C13, reg_val[2],
+ GAMUT_REMAP_C14, reg_val[3]);
+ REG_SET_2(GAMUT_REMAP_C21_C22, 0,
+ GAMUT_REMAP_C21, reg_val[4],
+ GAMUT_REMAP_C22, reg_val[5]);
+ REG_SET_2(GAMUT_REMAP_C23_C24, 0,
+ GAMUT_REMAP_C23, reg_val[6],
+ GAMUT_REMAP_C24, reg_val[7]);
+ REG_SET_2(GAMUT_REMAP_C31_C32, 0,
+ GAMUT_REMAP_C31, reg_val[8],
+ GAMUT_REMAP_C32, reg_val[9]);
+ REG_SET_2(GAMUT_REMAP_C33_C34, 0,
+ GAMUT_REMAP_C33, reg_val[10],
+ GAMUT_REMAP_C34, reg_val[11]);
+
+ REG_SET(GAMUT_REMAP_CONTROL, 0, GRPH_GAMUT_REMAP_MODE, 1);
+ } else
+ REG_SET(GAMUT_REMAP_CONTROL, 0, GRPH_GAMUT_REMAP_MODE, 0);
+
+}
+
+/**
+ *****************************************************************************
+ * Function: dal_transform_wide_gamut_set_gamut_remap
+ *
+ * @param [in] const struct xfm_grph_csc_adjustment *adjust
+ *
+ * @return
+ * void
+ *
+ * @note calculate and apply color temperature adjustment to in Rgb color space
+ *
+ * @see
+ *
+ *****************************************************************************
+ */
+static void dce_transform_set_gamut_remap(
+ struct transform *xfm,
+ const struct xfm_grph_csc_adjustment *adjust)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+
+ if (adjust->gamut_adjust_type != GRAPHICS_GAMUT_ADJUST_TYPE_SW)
+ /* Bypass if type is bypass or hw */
+ program_gamut_remap(xfm_dce, NULL);
+ else {
+ struct fixed31_32 arr_matrix[GAMUT_MATRIX_SIZE];
+ uint16_t arr_reg_val[GAMUT_MATRIX_SIZE];
+
+ arr_matrix[0] = adjust->temperature_matrix[0];
+ arr_matrix[1] = adjust->temperature_matrix[1];
+ arr_matrix[2] = adjust->temperature_matrix[2];
+ arr_matrix[3] = dal_fixed31_32_zero;
+
+ arr_matrix[4] = adjust->temperature_matrix[3];
+ arr_matrix[5] = adjust->temperature_matrix[4];
+ arr_matrix[6] = adjust->temperature_matrix[5];
+ arr_matrix[7] = dal_fixed31_32_zero;
+
+ arr_matrix[8] = adjust->temperature_matrix[6];
+ arr_matrix[9] = adjust->temperature_matrix[7];
+ arr_matrix[10] = adjust->temperature_matrix[8];
+ arr_matrix[11] = dal_fixed31_32_zero;
+
+ convert_float_matrix(
+ arr_reg_val, arr_matrix, GAMUT_MATRIX_SIZE);
+
+ program_gamut_remap(xfm_dce, arr_reg_val);
+ }
+}
+
+static uint32_t decide_taps(struct fixed31_32 ratio, uint32_t in_taps, bool chroma)
+{
+ uint32_t taps;
+
+ if (IDENTITY_RATIO(ratio)) {
+ return 1;
+ } else if (in_taps != 0) {
+ taps = in_taps;
+ } else {
+ taps = 4;
+ }
+
+ if (chroma) {
+ taps /= 2;
+ if (taps < 2)
+ taps = 2;
+ }
+
+ return taps;
+}
+
+
+bool dce_transform_get_optimal_number_of_taps(
+ struct transform *xfm,
+ struct scaler_data *scl_data,
+ const struct scaling_taps *in_taps)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+ int pixel_width = scl_data->viewport.width;
+ int max_num_of_lines;
+
+ if (xfm_dce->prescaler_on &&
+ (scl_data->viewport.width > scl_data->recout.width))
+ pixel_width = scl_data->recout.width;
+
+ max_num_of_lines = dce_transform_get_max_num_of_supported_lines(
+ xfm_dce,
+ scl_data->lb_params.depth,
+ pixel_width);
+
+ /* Fail if in_taps are impossible */
+ if (in_taps->v_taps >= max_num_of_lines)
+ return false;
+
+ /*
+ * Set taps according to this policy (in this order)
+ * - Use 1 for no scaling
+ * - Use input taps
+ * - Use 4 and reduce as required by line buffer size
+ * - Decide chroma taps if chroma is scaled
+ *
+ * Ignore input chroma taps. Decide based on non-chroma
+ */
+ scl_data->taps.h_taps = decide_taps(scl_data->ratios.horz, in_taps->h_taps, false);
+ scl_data->taps.v_taps = decide_taps(scl_data->ratios.vert, in_taps->v_taps, false);
+ scl_data->taps.h_taps_c = decide_taps(scl_data->ratios.horz_c, in_taps->h_taps, true);
+ scl_data->taps.v_taps_c = decide_taps(scl_data->ratios.vert_c, in_taps->v_taps, true);
+
+ if (!IDENTITY_RATIO(scl_data->ratios.vert)) {
+ /* reduce v_taps if needed but ensure we have at least two */
+ if (in_taps->v_taps == 0
+ && max_num_of_lines <= scl_data->taps.v_taps
+ && scl_data->taps.v_taps > 1) {
+ scl_data->taps.v_taps = max_num_of_lines - 1;
+ }
+
+ if (scl_data->taps.v_taps <= 1)
+ return false;
+ }
+
+ if (!IDENTITY_RATIO(scl_data->ratios.vert_c)) {
+ /* reduce chroma v_taps if needed but ensure we have at least two */
+ if (max_num_of_lines <= scl_data->taps.v_taps_c && scl_data->taps.v_taps_c > 1) {
+ scl_data->taps.v_taps_c = max_num_of_lines - 1;
+ }
+
+ if (scl_data->taps.v_taps_c <= 1)
+ return false;
+ }
+
+ /* we've got valid taps */
+ return true;
+}
+
+static void dce_transform_reset(struct transform *xfm)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+
+ xfm_dce->filter_h = NULL;
+ xfm_dce->filter_v = NULL;
+}
+
+static void program_color_matrix(
+ struct dce_transform *xfm_dce,
+ const struct out_csc_color_matrix *tbl_entry,
+ enum grph_color_adjust_option options)
+{
+ {
+ REG_SET_2(OUTPUT_CSC_C11_C12, 0,
+ OUTPUT_CSC_C11, tbl_entry->regval[0],
+ OUTPUT_CSC_C12, tbl_entry->regval[1]);
+ }
+ {
+ REG_SET_2(OUTPUT_CSC_C13_C14, 0,
+ OUTPUT_CSC_C11, tbl_entry->regval[2],
+ OUTPUT_CSC_C12, tbl_entry->regval[3]);
+ }
+ {
+ REG_SET_2(OUTPUT_CSC_C21_C22, 0,
+ OUTPUT_CSC_C11, tbl_entry->regval[4],
+ OUTPUT_CSC_C12, tbl_entry->regval[5]);
+ }
+ {
+ REG_SET_2(OUTPUT_CSC_C23_C24, 0,
+ OUTPUT_CSC_C11, tbl_entry->regval[6],
+ OUTPUT_CSC_C12, tbl_entry->regval[7]);
+ }
+ {
+ REG_SET_2(OUTPUT_CSC_C31_C32, 0,
+ OUTPUT_CSC_C11, tbl_entry->regval[8],
+ OUTPUT_CSC_C12, tbl_entry->regval[9]);
+ }
+ {
+ REG_SET_2(OUTPUT_CSC_C33_C34, 0,
+ OUTPUT_CSC_C11, tbl_entry->regval[10],
+ OUTPUT_CSC_C12, tbl_entry->regval[11]);
+ }
+}
+
+static bool configure_graphics_mode(
+ struct dce_transform *xfm_dce,
+ enum csc_color_mode config,
+ enum graphics_csc_adjust_type csc_adjust_type,
+ enum dc_color_space color_space)
+{
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 0);
+
+ if (csc_adjust_type == GRAPHICS_CSC_ADJUST_TYPE_SW) {
+ if (config == CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC) {
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 4);
+ } else {
+
+ switch (color_space) {
+ case COLOR_SPACE_SRGB:
+ /* by pass */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 0);
+ break;
+ case COLOR_SPACE_SRGB_LIMITED:
+ /* TV RGB */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 1);
+ break;
+ case COLOR_SPACE_YCBCR601:
+ case COLOR_SPACE_YCBCR601_LIMITED:
+ /* YCbCr601 */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 2);
+ break;
+ case COLOR_SPACE_YCBCR709:
+ case COLOR_SPACE_YCBCR709_LIMITED:
+ /* YCbCr709 */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 3);
+ break;
+ default:
+ return false;
+ }
+ }
+ } else if (csc_adjust_type == GRAPHICS_CSC_ADJUST_TYPE_HW) {
+ switch (color_space) {
+ case COLOR_SPACE_SRGB:
+ /* by pass */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 0);
+ break;
+ break;
+ case COLOR_SPACE_SRGB_LIMITED:
+ /* TV RGB */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 1);
+ break;
+ case COLOR_SPACE_YCBCR601:
+ case COLOR_SPACE_YCBCR601_LIMITED:
+ /* YCbCr601 */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 2);
+ break;
+ case COLOR_SPACE_YCBCR709:
+ case COLOR_SPACE_YCBCR709_LIMITED:
+ /* YCbCr709 */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 3);
+ break;
+ default:
+ return false;
+ }
+
+ } else
+ /* by pass */
+ REG_SET(OUTPUT_CSC_CONTROL, 0,
+ OUTPUT_CSC_GRPH_MODE, 0);
+
+ return true;
+}
+
+void dce110_opp_set_csc_adjustment(
+ struct transform *xfm,
+ const struct out_csc_color_matrix *tbl_entry)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+ enum csc_color_mode config =
+ CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC;
+
+ program_color_matrix(
+ xfm_dce, tbl_entry, GRAPHICS_CSC_ADJUST_TYPE_SW);
+
+ /* We did everything ,now program DxOUTPUT_CSC_CONTROL */
+ configure_graphics_mode(xfm_dce, config, GRAPHICS_CSC_ADJUST_TYPE_SW,
+ tbl_entry->color_space);
+}
+
+void dce110_opp_set_csc_default(
+ struct transform *xfm,
+ const struct default_adjustment *default_adjust)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+ enum csc_color_mode config =
+ CSC_COLOR_MODE_GRAPHICS_PREDEFINED;
+
+ if (default_adjust->force_hw_default == false) {
+ const struct out_csc_color_matrix *elm;
+ /* currently parameter not in use */
+ enum grph_color_adjust_option option =
+ GRPH_COLOR_MATRIX_HW_DEFAULT;
+ uint32_t i;
+ /*
+ * HW default false we program locally defined matrix
+ * HW default true we use predefined hw matrix and we
+ * do not need to program matrix
+ * OEM wants the HW default via runtime parameter.
+ */
+ option = GRPH_COLOR_MATRIX_SW;
+
+ for (i = 0; i < ARRAY_SIZE(global_color_matrix); ++i) {
+ elm = &global_color_matrix[i];
+ if (elm->color_space != default_adjust->out_color_space)
+ continue;
+ /* program the matrix with default values from this
+ * file */
+ program_color_matrix(xfm_dce, elm, option);
+ config = CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC;
+ break;
+ }
+ }
+
+ /* configure the what we programmed :
+ * 1. Default values from this file
+ * 2. Use hardware default from ROM_A and we do not need to program
+ * matrix */
+
+ configure_graphics_mode(xfm_dce, config,
+ default_adjust->csc_adjust_type,
+ default_adjust->out_color_space);
+}
+
+static void program_pwl(
+ struct dce_transform *xfm_dce,
+ const struct pwl_params *params)
+{
+ uint32_t value;
+ int retval;
+
+ {
+ uint8_t max_tries = 10;
+ uint8_t counter = 0;
+
+ /* Power on LUT memory */
+ if (REG(DCFE_MEM_PWR_CTRL))
+ REG_UPDATE(DCFE_MEM_PWR_CTRL,
+ DCP_REGAMMA_MEM_PWR_DIS, 1);
+ else
+ REG_UPDATE(DCFE_MEM_LIGHT_SLEEP_CNTL,
+ REGAMMA_LUT_LIGHT_SLEEP_DIS, 1);
+
+ while (counter < max_tries) {
+ if (REG(DCFE_MEM_PWR_STATUS)) {
+ value = REG_READ(DCFE_MEM_PWR_STATUS);
+ REG_GET(DCFE_MEM_PWR_STATUS,
+ DCP_REGAMMA_MEM_PWR_STATE,
+ &retval);
+
+ if (retval == 0)
+ break;
+ ++counter;
+ } else {
+ value = REG_READ(DCFE_MEM_LIGHT_SLEEP_CNTL);
+ REG_GET(DCFE_MEM_LIGHT_SLEEP_CNTL,
+ REGAMMA_LUT_MEM_PWR_STATE,
+ &retval);
+
+ if (retval == 0)
+ break;
+ ++counter;
+ }
+ }
+
+ if (counter == max_tries) {
+ dm_logger_write(xfm_dce->base.ctx->logger, LOG_WARNING,
+ "%s: regamma lut was not powered on "
+ "in a timely manner,"
+ " programming still proceeds\n",
+ __func__);
+ }
+ }
+
+ REG_UPDATE(REGAMMA_LUT_WRITE_EN_MASK,
+ REGAMMA_LUT_WRITE_EN_MASK, 7);
+
+ REG_WRITE(REGAMMA_LUT_INDEX, 0);
+
+ /* Program REGAMMA_LUT_DATA */
+ {
+ uint32_t i = 0;
+ const struct pwl_result_data *rgb = params->rgb_resulted;
+
+ while (i != params->hw_points_num) {
+
+ REG_WRITE(REGAMMA_LUT_DATA, rgb->red_reg);
+ REG_WRITE(REGAMMA_LUT_DATA, rgb->green_reg);
+ REG_WRITE(REGAMMA_LUT_DATA, rgb->blue_reg);
+ REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_red_reg);
+ REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_green_reg);
+ REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_blue_reg);
+
+ ++rgb;
+ ++i;
+ }
+ }
+
+ /* we are done with DCP LUT memory; re-enable low power mode */
+ if (REG(DCFE_MEM_PWR_CTRL))
+ REG_UPDATE(DCFE_MEM_PWR_CTRL,
+ DCP_REGAMMA_MEM_PWR_DIS, 0);
+ else
+ REG_UPDATE(DCFE_MEM_LIGHT_SLEEP_CNTL,
+ REGAMMA_LUT_LIGHT_SLEEP_DIS, 0);
+}
+
+static void regamma_config_regions_and_segments(
+ struct dce_transform *xfm_dce,
+ const struct pwl_params *params)
+{
+ const struct gamma_curve *curve;
+
+ {
+ REG_SET_2(REGAMMA_CNTLA_START_CNTL, 0,
+ REGAMMA_CNTLA_EXP_REGION_START, params->arr_points[0].custom_float_x,
+ REGAMMA_CNTLA_EXP_REGION_START_SEGMENT, 0);
+ }
+ {
+ REG_SET(REGAMMA_CNTLA_SLOPE_CNTL, 0,
+ REGAMMA_CNTLA_EXP_REGION_LINEAR_SLOPE, params->arr_points[0].custom_float_slope);
+
+ }
+ {
+ REG_SET(REGAMMA_CNTLA_END_CNTL1, 0,
+ REGAMMA_CNTLA_EXP_REGION_END, params->arr_points[1].custom_float_x);
+ }
+ {
+ REG_SET_2(REGAMMA_CNTLA_END_CNTL2, 0,
+ REGAMMA_CNTLA_EXP_REGION_END_BASE, params->arr_points[1].custom_float_y,
+ REGAMMA_CNTLA_EXP_REGION_END_SLOPE, params->arr_points[2].custom_float_slope);
+ }
+
+ curve = params->arr_curve_points;
+
+ {
+ REG_SET_4(REGAMMA_CNTLA_REGION_0_1, 0,
+ REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
+ REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
+ REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
+ REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
+ }
+
+ curve += 2;
+
+ {
+ REG_SET_4(REGAMMA_CNTLA_REGION_2_3, 0,
+ REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
+ REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
+ REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
+ REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
+
+ }
+
+ curve += 2;
+
+ {
+ REG_SET_4(REGAMMA_CNTLA_REGION_4_5, 0,
+ REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
+ REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
+ REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
+ REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
+
+ }
+
+ curve += 2;
+
+ {
+ REG_SET_4(REGAMMA_CNTLA_REGION_6_7, 0,
+ REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
+ REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
+ REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
+ REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
+
+ }
+
+ curve += 2;
+
+ {
+ REG_SET_4(REGAMMA_CNTLA_REGION_8_9, 0,
+ REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
+ REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
+ REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
+ REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
+
+ }
+
+ curve += 2;
+
+ {
+ REG_SET_4(REGAMMA_CNTLA_REGION_10_11, 0,
+ REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
+ REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
+ REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
+ REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
+
+ }
+
+ curve += 2;
+
+ {
+ REG_SET_4(REGAMMA_CNTLA_REGION_12_13, 0,
+ REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
+ REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
+ REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
+ REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
+
+ }
+
+ curve += 2;
+
+ {
+ REG_SET_4(REGAMMA_CNTLA_REGION_14_15, 0,
+ REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
+ REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
+ REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
+ REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
+ }
+}
+
+
+
+void dce110_opp_program_regamma_pwl(
+ struct transform *xfm,
+ const struct pwl_params *params)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+
+ /* Setup regions */
+ regamma_config_regions_and_segments(xfm_dce, params);
+
+ /* Program PWL */
+ program_pwl(xfm_dce, params);
+}
+
+void dce110_opp_power_on_regamma_lut(
+ struct transform *xfm,
+ bool power_on)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+
+ if (REG(DCFE_MEM_PWR_CTRL))
+ REG_UPDATE_2(DCFE_MEM_PWR_CTRL,
+ DCP_REGAMMA_MEM_PWR_DIS, power_on,
+ DCP_LUT_MEM_PWR_DIS, power_on);
+ else
+ REG_UPDATE_2(DCFE_MEM_LIGHT_SLEEP_CNTL,
+ REGAMMA_LUT_LIGHT_SLEEP_DIS, power_on,
+ DCP_LUT_LIGHT_SLEEP_DIS, power_on);
+
+}
+
+void dce110_opp_set_regamma_mode(struct transform *xfm,
+ enum opp_regamma mode)
+{
+ struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
+
+ REG_SET(REGAMMA_CONTROL, 0,
+ GRPH_REGAMMA_MODE, mode);
+}
+
+static const struct transform_funcs dce_transform_funcs = {
+ .transform_reset = dce_transform_reset,
+ .transform_set_scaler =
+ dce_transform_set_scaler,
+ .transform_set_gamut_remap =
+ dce_transform_set_gamut_remap,
+ .opp_set_csc_adjustment = dce110_opp_set_csc_adjustment,
+ .opp_set_csc_default = dce110_opp_set_csc_default,
+ .opp_power_on_regamma_lut = dce110_opp_power_on_regamma_lut,
+ .opp_program_regamma_pwl = dce110_opp_program_regamma_pwl,
+ .opp_set_regamma_mode = dce110_opp_set_regamma_mode,
+ .transform_set_pixel_storage_depth =
+ dce_transform_set_pixel_storage_depth,
+ .transform_get_optimal_number_of_taps =
+ dce_transform_get_optimal_number_of_taps
+};
+
+/*****************************************/
+/* Constructor, Destructor */
+/*****************************************/
+
+void dce_transform_construct(
+ struct dce_transform *xfm_dce,
+ struct dc_context *ctx,
+ uint32_t inst,
+ const struct dce_transform_registers *regs,
+ const struct dce_transform_shift *xfm_shift,
+ const struct dce_transform_mask *xfm_mask)
+{
+ xfm_dce->base.ctx = ctx;
+
+ xfm_dce->base.inst = inst;
+ xfm_dce->base.funcs = &dce_transform_funcs;
+
+ xfm_dce->regs = regs;
+ xfm_dce->xfm_shift = xfm_shift;
+ xfm_dce->xfm_mask = xfm_mask;
+
+ xfm_dce->prescaler_on = true;
+ xfm_dce->lb_pixel_depth_supported =
+ LB_PIXEL_DEPTH_18BPP |
+ LB_PIXEL_DEPTH_24BPP |
+ LB_PIXEL_DEPTH_30BPP;
+
+ xfm_dce->lb_bits_per_entry = LB_BITS_PER_ENTRY;
+ xfm_dce->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x6B0*/
+}