[PATCH 18/29] drm/amd/dal: Add input pixel processing HW programming

Harry Wentland harry.wentland at amd.com
Thu Feb 11 17:19:58 UTC 2016


Adds programming of cursor and input gamma.

Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.c     |  65 ++
 drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.h     | 100 +++
 .../gpu/drm/amd/dal/dc/dce110/dce110_ipp_cursor.c  | 256 ++++++
 .../gpu/drm/amd/dal/dc/dce110/dce110_ipp_gamma.c   | 872 +++++++++++++++++++++
 4 files changed, 1293 insertions(+)
 create mode 100644 drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.c
 create mode 100644 drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.h
 create mode 100644 drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp_cursor.c
 create mode 100644 drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp_gamma.c

diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.c b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.c
new file mode 100644
index 000000000000..6ab35272f979
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.c
@@ -0,0 +1,65 @@
+/*
+ * 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 "include/logger_interface.h"
+
+#include "dce/dce_11_0_d.h"
+#include "dce/dce_11_0_sh_mask.h"
+
+#include "dce110_ipp.h"
+
+static struct ipp_funcs funcs = {
+		.ipp_cursor_set_attributes = dce110_ipp_cursor_set_attributes,
+		.ipp_cursor_set_position = dce110_ipp_cursor_set_position,
+		.ipp_program_prescale = dce110_ipp_program_prescale,
+		.ipp_set_degamma = dce110_ipp_set_degamma,
+		.ipp_set_legacy_input_gamma_mode = dce110_ipp_set_legacy_input_gamma_mode,
+		.ipp_set_legacy_input_gamma_ramp = dce110_ipp_set_legacy_input_gamma_ramp,
+		.ipp_set_palette = dce110_ipp_set_palette,
+};
+
+bool dce110_ipp_construct(
+	struct dce110_ipp* ipp,
+	struct dc_context *ctx,
+	uint32_t inst,
+	const struct dce110_ipp_reg_offsets *offset)
+{
+	ipp->base.ctx = ctx;
+
+	ipp->base.inst = inst;
+
+	ipp->offsets = *offset;
+
+	ipp->base.funcs = &funcs;
+
+	return true;
+}
+
+void dce110_ipp_destroy(struct input_pixel_processor **ipp)
+{
+	dm_free((*ipp)->ctx, TO_DCE110_IPP(*ipp));
+	*ipp = NULL;
+}
diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.h b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.h
new file mode 100644
index 000000000000..709906face3f
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp.h
@@ -0,0 +1,100 @@
+/*
+ * 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
+ *
+ */
+
+#ifndef __DC_IPP_DCE110_H__
+#define __DC_IPP_DCE110_H__
+
+#include "inc/ipp.h"
+
+
+struct gamma_parameters;
+struct dev_c_lut;
+
+#define TO_DCE110_IPP(input_pixel_processor)\
+	container_of(input_pixel_processor, struct dce110_ipp, base)
+
+struct dce110_ipp_reg_offsets {
+	uint32_t dcp_offset;
+};
+
+struct dce110_ipp {
+	struct input_pixel_processor base;
+	struct dce110_ipp_reg_offsets offsets;
+	struct dev_c_lut saved_palette[RGB_256X3X16];
+};
+
+bool dce110_ipp_construct(
+	struct dce110_ipp* ipp,
+	struct dc_context *ctx,
+	enum controller_id id,
+	const struct dce110_ipp_reg_offsets *offset);
+
+void dce110_ipp_destroy(struct input_pixel_processor **ipp);
+
+/* CURSOR RELATED */
+bool dce110_ipp_cursor_set_position(
+	struct input_pixel_processor *ipp,
+	const struct dc_cursor_position *position);
+
+bool dce110_ipp_cursor_set_attributes(
+	struct input_pixel_processor *ipp,
+	const struct dc_cursor_attributes *attributes);
+
+/* DEGAMMA RELATED */
+bool dce110_ipp_set_degamma(
+	struct input_pixel_processor *ipp,
+	const struct gamma_parameters *params,
+	bool force_bypass);
+
+void dce110_ipp_program_prescale(
+	struct input_pixel_processor *ipp,
+	enum pixel_format pixel_format);
+
+void dce110_ipp_set_legacy_input_gamma_mode(
+		struct input_pixel_processor *ipp,
+		bool is_legacy);
+
+bool dce110_ipp_set_legacy_input_gamma_ramp(
+	struct input_pixel_processor *ipp,
+	const struct gamma_ramp *gamma_ramp,
+	const struct gamma_parameters *params);
+
+bool dce110_ipp_set_palette(
+	struct input_pixel_processor *ipp,
+	const struct dev_c_lut *palette,
+	uint32_t start,
+	uint32_t length,
+	enum pixel_format surface_pixel_format);
+
+/*
+ * Helper functions to be resused in other ASICs
+ */
+void dce110_helper_select_lut(struct dce110_ipp *ipp110);
+
+void dce110_helper_program_black_white_offset(
+	struct dce110_ipp *ipp110,
+	enum pixel_format surface_pixel_format);
+
+#endif /*__DC_IPP_DCE110_H__*/
diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp_cursor.c b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp_cursor.c
new file mode 100644
index 000000000000..ef91f2db24e3
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp_cursor.c
@@ -0,0 +1,256 @@
+/*
+ * 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 "include/logger_interface.h"
+
+#include "dce/dce_11_0_d.h"
+#include "dce/dce_11_0_sh_mask.h"
+
+#include "dce110_ipp.h"
+
+#define CURSOR_COLOR_BLACK 0x00000000
+#define CURSOR_COLOR_WHITE 0xFFFFFFFF
+
+#define DCP_REG(reg)\
+	(reg + ipp110->offsets.dcp_offset)
+
+static void enable(
+	struct dce110_ipp *ipp110,
+	bool enable);
+
+static void lock(
+	struct dce110_ipp *ipp110,
+	bool enable);
+
+static void program_position(
+	struct dce110_ipp *ipp110,
+	uint32_t x,
+	uint32_t y);
+
+static bool program_control(
+	struct dce110_ipp *ipp110,
+	enum dc_cursor_color_format color_format,
+	bool enable_magnification,
+	bool inverse_transparent_clamping);
+
+static void program_hotspot(
+	struct dce110_ipp *ipp110,
+	uint32_t x,
+	uint32_t y);
+
+static void program_size(
+	struct dce110_ipp *ipp110,
+	uint32_t width,
+	uint32_t height);
+
+static void program_address(
+	struct dce110_ipp *ipp110,
+	PHYSICAL_ADDRESS_LOC address);
+
+
+bool dce110_ipp_cursor_set_position(
+	struct input_pixel_processor *ipp,
+	const struct dc_cursor_position *position)
+{
+	struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
+
+	/* lock cursor registers */
+	lock(ipp110, true);
+
+	/* Flag passed in structure differentiates cursor enable/disable. */
+	/* Update if it differs from cached state. */
+	enable(ipp110, position->enable);
+
+	program_position(ipp110, position->x, position->y);
+
+	if (position->hot_spot_enable)
+		program_hotspot(
+				ipp110,
+				position->x_origin,
+				position->y_origin);
+
+	/* unlock cursor registers */
+	lock(ipp110, false);
+
+	return true;
+}
+
+bool dce110_ipp_cursor_set_attributes(
+	struct input_pixel_processor *ipp,
+	const struct dc_cursor_attributes *attributes)
+{
+	struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
+	/* Lock cursor registers */
+	lock(ipp110, true);
+
+	/* Program cursor control */
+	program_control(
+		ipp110,
+		attributes->color_format,
+		attributes->attribute_flags.bits.ENABLE_MAGNIFICATION,
+		attributes->attribute_flags.bits.INVERSE_TRANSPARENT_CLAMPING);
+
+	/* Program hot spot coordinates */
+	program_hotspot(ipp110, attributes->x_hot, attributes->y_hot);
+
+	/*
+	 * Program cursor size -- NOTE: HW spec specifies that HW register
+	 * stores size as (height - 1, width - 1)
+	 */
+	program_size(ipp110, attributes->width, attributes->height);
+
+	/* Program cursor surface address */
+	program_address(ipp110, attributes->address);
+
+	/* Unlock Cursor registers. */
+	lock(ipp110, false);
+
+	return true;
+}
+
+static void enable(
+	struct dce110_ipp *ipp110, bool enable)
+{
+	uint32_t value = 0;
+	uint32_t addr = DCP_REG(mmCUR_CONTROL);
+
+	value = dm_read_reg(ipp110->base.ctx, addr);
+	set_reg_field_value(value, enable, CUR_CONTROL, CURSOR_EN);
+	dm_write_reg(ipp110->base.ctx, addr, value);
+}
+
+static void lock(
+	struct dce110_ipp *ipp110, bool lock)
+{
+	uint32_t value = 0;
+	uint32_t addr = DCP_REG(mmCUR_UPDATE);
+
+	value = dm_read_reg(ipp110->base.ctx, addr);
+	set_reg_field_value(value, lock, CUR_UPDATE, CURSOR_UPDATE_LOCK);
+	dm_write_reg(ipp110->base.ctx, addr, value);
+}
+
+static void program_position(
+	struct dce110_ipp *ipp110,
+	uint32_t x,
+	uint32_t y)
+{
+	uint32_t value = 0;
+	uint32_t addr = DCP_REG(mmCUR_POSITION);
+
+	value = dm_read_reg(ipp110->base.ctx, addr);
+	set_reg_field_value(value, x, CUR_POSITION, CURSOR_X_POSITION);
+	set_reg_field_value(value, y, CUR_POSITION, CURSOR_Y_POSITION);
+	dm_write_reg(ipp110->base.ctx, addr, value);
+}
+
+static bool program_control(
+	struct dce110_ipp *ipp110,
+	enum dc_cursor_color_format color_format,
+	bool enable_magnification,
+	bool inverse_transparent_clamping)
+{
+	uint32_t value = 0;
+	uint32_t addr = DCP_REG(mmCUR_CONTROL);
+	uint32_t mode = 0;
+
+	switch (color_format) {
+	case CURSOR_MODE_MONO:
+		mode = 0;
+		break;
+	case CURSOR_MODE_COLOR_1BIT_AND:
+		mode = 1;
+		break;
+	case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
+		mode = 2;
+		break;
+	case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
+		mode = 3;
+		break;
+	default:
+		return false;
+	}
+
+	set_reg_field_value(value, mode, CUR_CONTROL, CURSOR_MODE);
+	set_reg_field_value(value, enable_magnification,
+			CUR_CONTROL, CURSOR_2X_MAGNIFY);
+	set_reg_field_value(value, inverse_transparent_clamping,
+			CUR_CONTROL, CUR_INV_TRANS_CLAMP);
+	dm_write_reg(ipp110->base.ctx, addr, value);
+
+	if (color_format == CURSOR_MODE_MONO) {
+		addr = DCP_REG(mmCUR_COLOR1);
+		dm_write_reg(ipp110->base.ctx, addr, CURSOR_COLOR_BLACK);
+		addr = DCP_REG(mmCUR_COLOR2);
+		dm_write_reg(ipp110->base.ctx, addr, CURSOR_COLOR_WHITE);
+	}
+	return true;
+}
+
+static void program_hotspot(
+	struct dce110_ipp *ipp110,
+	uint32_t x,
+	uint32_t y)
+{
+	uint32_t value = 0;
+	uint32_t addr = DCP_REG(mmCUR_HOT_SPOT);
+
+	value = dm_read_reg(ipp110->base.ctx, addr);
+	set_reg_field_value(value, x, CUR_HOT_SPOT, CURSOR_HOT_SPOT_X);
+	set_reg_field_value(value, y, CUR_HOT_SPOT, CURSOR_HOT_SPOT_Y);
+	dm_write_reg(ipp110->base.ctx, addr, value);
+}
+
+static void program_size(
+	struct dce110_ipp *ipp110,
+	uint32_t width,
+	uint32_t height)
+{
+	uint32_t value = 0;
+	uint32_t addr = DCP_REG(mmCUR_SIZE);
+
+	value = dm_read_reg(ipp110->base.ctx, addr);
+	set_reg_field_value(value, width, CUR_SIZE, CURSOR_WIDTH);
+	set_reg_field_value(value, height, CUR_SIZE, CURSOR_HEIGHT);
+	dm_write_reg(ipp110->base.ctx, addr, value);
+}
+
+static void program_address(
+	struct dce110_ipp *ipp110,
+	PHYSICAL_ADDRESS_LOC address)
+{
+	uint32_t addr = DCP_REG(mmCUR_SURFACE_ADDRESS_HIGH);
+	/* SURFACE_ADDRESS_HIGH: Higher order bits (39:32) of hardware cursor
+	 * surface base address in byte. It is 4K byte aligned.
+	 * The correct way to program cursor surface address is to first write
+	 * to CUR_SURFACE_ADDRESS_HIGH, and then write to CUR_SURFACE_ADDRESS */
+
+	dm_write_reg(ipp110->base.ctx, addr, address.high_part);
+
+	addr = DCP_REG(mmCUR_SURFACE_ADDRESS);
+	dm_write_reg(ipp110->base.ctx, addr, address.low_part);
+}
+
diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp_gamma.c b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp_gamma.c
new file mode 100644
index 000000000000..fcf65f119af4
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_ipp_gamma.c
@@ -0,0 +1,872 @@
+/*
+ * 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 "include/logger_interface.h"
+#include "include/fixed31_32.h"
+#include "basics/conversion.h"
+
+#include "dce/dce_11_0_d.h"
+#include "dce/dce_11_0_sh_mask.h"
+
+#include "dce110_ipp.h"
+#include "gamma_types.h"
+
+#define DCP_REG(reg)\
+	(reg + ipp110->offsets.dcp_offset)
+
+enum {
+	MAX_INPUT_LUT_ENTRY = 256
+};
+
+/* CALCULATION OPERATIONS*/
+static void convert_256_lut_entries_to_gxo_format(
+	const struct gamma_ramp_rgb256x3x16 *lut,
+	struct dev_c_lut16 *gamma)
+{
+	uint32_t i = 0;
+
+	ASSERT(lut);
+	ASSERT(gamma);
+
+	do {
+		gamma->red = lut->red[i];
+		gamma->green = lut->green[i];
+		gamma->blue = lut->blue[i];
+
+		++gamma;
+		++i;
+	} while (i != MAX_INPUT_LUT_ENTRY);
+}
+
+static void convert_udx_gamma_entries_to_gxo_format(
+	const struct gamma_ramp_dxgi_1 *lut,
+	struct dev_c_lut16 *gamma)
+{
+	/* TODO here we deal with DXGI gamma table,
+	 * originally, values was expressed as 'float',
+	 * now values expressed as 'dal_fixed20_12'. */
+}
+
+/*PROTOTYPE DECLARATIONS*/
+static void set_lut_inc(
+	struct dce110_ipp *ipp110,
+	uint8_t inc,
+	bool is_float,
+	bool is_signed);
+
+static void program_black_offsets(
+	struct dce110_ipp *ipp110,
+	struct dev_c_lut16 *offset);
+
+static void program_white_offsets(
+	struct dce110_ipp *ipp110,
+	struct dev_c_lut16 *offset);
+
+static void program_lut_gamma(
+	struct dce110_ipp *ipp110,
+	const struct dev_c_lut16 *gamma,
+	const struct gamma_parameters *params);
+
+static void program_prescale(
+	struct dce110_ipp *ipp110,
+	enum pixel_format pixel_format);
+
+static void set_legacy_input_gamma_mode(
+	struct dce110_ipp *ipp110,
+	bool is_legacy);
+
+static bool set_legacy_input_gamma_ramp_rgb256x3x16(
+	struct dce110_ipp *ipp110,
+	const struct gamma_ramp *gamma_ramp,
+	const struct gamma_parameters *params);
+
+static bool set_legacy_input_gamma_ramp_dxgi1(
+	struct dce110_ipp *ipp110,
+	const struct gamma_ramp *gamma_ramp,
+	const struct gamma_parameters *params);
+
+static bool set_default_gamma(
+	struct dce110_ipp *ipp110,
+	enum pixel_format surface_pixel_format);
+
+static void set_degamma(
+	struct dce110_ipp *ipp110,
+	const struct gamma_parameters *params,
+	bool force_bypass);
+
+bool dce110_ipp_set_legacy_input_gamma_ramp(
+	struct input_pixel_processor *ipp,
+	const struct gamma_ramp *gamma_ramp,
+	const struct gamma_parameters *params)
+{
+	struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
+
+	switch (gamma_ramp->type) {
+	case GAMMA_RAMP_RBG256X3X16:
+		return set_legacy_input_gamma_ramp_rgb256x3x16(
+				ipp110, gamma_ramp, params);
+	case GAMMA_RAMP_DXGI_1:
+		return set_legacy_input_gamma_ramp_dxgi1(
+				ipp110, gamma_ramp, params);
+	default:
+		ASSERT_CRITICAL(false);
+		return false;
+	}
+}
+
+bool dce110_ipp_set_palette(
+	struct input_pixel_processor *ipp,
+	const struct dev_c_lut *palette,
+	uint32_t start,
+	uint32_t length,
+	enum pixel_format surface_pixel_format)
+{
+	struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
+	uint32_t i;
+
+	if (((start + length) > MAX_INPUT_LUT_ENTRY) || (NULL == palette)) {
+		BREAK_TO_DEBUGGER();
+		/* wrong input */
+		return false;
+	}
+
+	for (i = start; i < start + length; i++) {
+		ipp110->saved_palette[i] = palette[i];
+		ipp110->saved_palette[i] = palette[i];
+		ipp110->saved_palette[i] = palette[i];
+	}
+
+	return set_default_gamma(ipp110, surface_pixel_format);
+}
+
+bool dce110_ipp_set_degamma(
+	struct input_pixel_processor *ipp,
+	const struct gamma_parameters *params,
+	bool force_bypass)
+{
+	struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
+
+	set_degamma(ipp110, params, force_bypass);
+
+	return true;
+}
+
+void dce110_ipp_program_prescale(
+	struct input_pixel_processor *ipp,
+	enum pixel_format pixel_format)
+{
+	struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
+
+	program_prescale(ipp110, pixel_format);
+}
+
+void dce110_ipp_set_legacy_input_gamma_mode(
+		struct input_pixel_processor *ipp,
+		bool is_legacy)
+{
+	struct dce110_ipp *ipp110 = TO_DCE110_IPP(ipp);
+
+	set_legacy_input_gamma_mode(ipp110, is_legacy);
+}
+
+static void set_lut_inc(
+	struct dce110_ipp *ipp110,
+	uint8_t inc,
+	bool is_float,
+	bool is_signed)
+{
+	const uint32_t addr = DCP_REG(mmDC_LUT_CONTROL);
+
+	uint32_t value = dm_read_reg(ipp110->base.ctx, addr);
+
+	set_reg_field_value(
+		value,
+		inc,
+		DC_LUT_CONTROL,
+		DC_LUT_INC_R);
+
+	set_reg_field_value(
+		value,
+		inc,
+		DC_LUT_CONTROL,
+		DC_LUT_INC_G);
+
+	set_reg_field_value(
+		value,
+		inc,
+		DC_LUT_CONTROL,
+		DC_LUT_INC_B);
+
+	set_reg_field_value(
+		value,
+		is_float,
+		DC_LUT_CONTROL,
+		DC_LUT_DATA_R_FLOAT_POINT_EN);
+
+	set_reg_field_value(
+		value,
+		is_float,
+		DC_LUT_CONTROL,
+		DC_LUT_DATA_G_FLOAT_POINT_EN);
+
+	set_reg_field_value(
+		value,
+		is_float,
+		DC_LUT_CONTROL,
+		DC_LUT_DATA_B_FLOAT_POINT_EN);
+
+	set_reg_field_value(
+		value,
+		is_signed,
+		DC_LUT_CONTROL,
+		DC_LUT_DATA_R_SIGNED_EN);
+
+	set_reg_field_value(
+		value,
+		is_signed,
+		DC_LUT_CONTROL,
+		DC_LUT_DATA_G_SIGNED_EN);
+
+	set_reg_field_value(
+		value,
+		is_signed,
+		DC_LUT_CONTROL,
+		DC_LUT_DATA_B_SIGNED_EN);
+
+	dm_write_reg(ipp110->base.ctx, addr, value);
+}
+
+void dce110_helper_select_lut(struct dce110_ipp *ipp110)
+{
+	uint32_t value = 0;
+
+	set_lut_inc(ipp110, 0, false, false);
+
+	{
+		const uint32_t addr = DCP_REG(mmDC_LUT_WRITE_EN_MASK);
+
+		value = dm_read_reg(ipp110->base.ctx, addr);
+
+		/* enable all */
+		set_reg_field_value(
+			value,
+			0x7,
+			DC_LUT_WRITE_EN_MASK,
+			DC_LUT_WRITE_EN_MASK);
+
+		dm_write_reg(ipp110->base.ctx, addr, value);
+	}
+
+	{
+		const uint32_t addr = DCP_REG(mmDC_LUT_RW_MODE);
+
+		value = dm_read_reg(ipp110->base.ctx, addr);
+
+		set_reg_field_value(
+			value,
+			0,
+			DC_LUT_RW_MODE,
+			DC_LUT_RW_MODE);
+
+		dm_write_reg(ipp110->base.ctx, addr, value);
+	}
+
+	{
+		const uint32_t addr = DCP_REG(mmDC_LUT_CONTROL);
+
+		value = dm_read_reg(ipp110->base.ctx, addr);
+
+		/* 00 - new u0.12 */
+		set_reg_field_value(
+			value,
+			3,
+			DC_LUT_CONTROL,
+			DC_LUT_DATA_R_FORMAT);
+
+		set_reg_field_value(
+			value,
+			3,
+			DC_LUT_CONTROL,
+			DC_LUT_DATA_G_FORMAT);
+
+		set_reg_field_value(
+			value,
+			3,
+			DC_LUT_CONTROL,
+			DC_LUT_DATA_B_FORMAT);
+
+		dm_write_reg(ipp110->base.ctx, addr, value);
+	}
+
+	{
+		const uint32_t addr = DCP_REG(mmDC_LUT_RW_INDEX);
+
+		value = dm_read_reg(ipp110->base.ctx, addr);
+
+		set_reg_field_value(
+			value,
+			0,
+			DC_LUT_RW_INDEX,
+			DC_LUT_RW_INDEX);
+
+		dm_write_reg(ipp110->base.ctx, addr, value);
+	}
+}
+
+static void program_black_offsets(
+	struct dce110_ipp *ipp110,
+	struct dev_c_lut16 *offset)
+{
+	dm_write_reg(ipp110->base.ctx,
+		DCP_REG(mmDC_LUT_BLACK_OFFSET_RED),
+		offset->red);
+	dm_write_reg(ipp110->base.ctx,
+		DCP_REG(mmDC_LUT_BLACK_OFFSET_GREEN),
+		offset->green);
+	dm_write_reg(ipp110->base.ctx,
+		DCP_REG(mmDC_LUT_BLACK_OFFSET_BLUE),
+		offset->blue);
+}
+
+static void program_white_offsets(
+	struct dce110_ipp *ipp110,
+	struct dev_c_lut16 *offset)
+{
+	dm_write_reg(ipp110->base.ctx,
+		DCP_REG(mmDC_LUT_WHITE_OFFSET_RED),
+		offset->red);
+	dm_write_reg(ipp110->base.ctx,
+		DCP_REG(mmDC_LUT_WHITE_OFFSET_GREEN),
+		offset->green);
+	dm_write_reg(ipp110->base.ctx,
+		DCP_REG(mmDC_LUT_WHITE_OFFSET_BLUE),
+		offset->blue);
+}
+
+void dce110_helper_program_black_white_offset(
+	struct dce110_ipp *ipp110,
+	enum pixel_format surface_pixel_format)
+{
+	struct dev_c_lut16 black_offset;
+	struct dev_c_lut16 white_offset;
+
+	/* get black offset */
+
+	switch (surface_pixel_format) {
+	case PIXEL_FORMAT_FP16:
+		/* sRGB gamut, [0.0...1.0] */
+		black_offset.red = 0;
+		black_offset.green = 0;
+		black_offset.blue = 0;
+	break;
+
+	case PIXEL_FORMAT_ARGB2101010_XRBIAS:
+		/* [-1.0...3.0] */
+		black_offset.red = 0x100;
+		black_offset.green = 0x100;
+		black_offset.blue = 0x100;
+	break;
+
+	default:
+		black_offset.red = 0;
+		black_offset.green = 0;
+		black_offset.blue = 0;
+	}
+
+	/* get white offset */
+
+	switch (surface_pixel_format) {
+	case PIXEL_FORMAT_FP16:
+		white_offset.red = 0x3BFF;
+		white_offset.green = 0x3BFF;
+		white_offset.blue = 0x3BFF;
+	break;
+
+	case PIXEL_FORMAT_ARGB2101010_XRBIAS:
+		white_offset.red = 0x37E;
+		white_offset.green = 0x37E;
+		white_offset.blue = 0x37E;
+		break;
+
+	case PIXEL_FORMAT_ARGB8888:
+		white_offset.red = 0xFF;
+		white_offset.green = 0xFF;
+		white_offset.blue = 0xFF;
+		break;
+
+	default:
+		white_offset.red = 0x3FF;
+		white_offset.green = 0x3FF;
+		white_offset.blue = 0x3FF;
+	}
+
+	program_black_offsets(ipp110, &black_offset);
+	program_white_offsets(ipp110, &white_offset);
+}
+
+static void program_lut_gamma(
+	struct dce110_ipp *ipp110,
+	const struct dev_c_lut16 *gamma,
+	const struct gamma_parameters *params)
+{
+	uint32_t i = 0;
+	uint32_t value = 0;
+	uint32_t addr;
+
+	{
+		uint8_t max_tries = 10;
+		uint8_t counter = 0;
+
+		/* Power on LUT memory */
+		value = dm_read_reg(
+				ipp110->base.ctx, DCP_REG(mmDCFE_MEM_PWR_CTRL));
+
+		set_reg_field_value(
+			value,
+			1,
+			DCFE_MEM_PWR_CTRL,
+			DCP_REGAMMA_MEM_PWR_DIS);
+
+		dm_write_reg(
+			ipp110->base.ctx, DCP_REG(mmDCFE_MEM_PWR_CTRL), value);
+
+		while (counter < max_tries) {
+			value =
+				dm_read_reg(
+					ipp110->base.ctx,
+					DCP_REG(mmDCFE_MEM_PWR_STATUS));
+
+			if (get_reg_field_value(
+				value,
+				DCFE_MEM_PWR_STATUS,
+				DCP_REGAMMA_MEM_PWR_STATE) == 0)
+				break;
+
+			++counter;
+		}
+
+		if (counter == max_tries) {
+			dal_logger_write(ipp110->base.ctx->logger,
+				LOG_MAJOR_WARNING,
+				LOG_MINOR_COMPONENT_CONTROLLER,
+				"%s: regamma lut was not powered on in a timely manner, programming still proceeds\n",
+				__func__);
+		}
+	}
+
+	dce110_helper_program_black_white_offset(ipp110, params->surface_pixel_format);
+
+	dce110_helper_select_lut(ipp110);
+
+	if (params->surface_pixel_format == PIXEL_FORMAT_INDEX8) {
+		addr = DCP_REG(mmDC_LUT_SEQ_COLOR);
+
+		do {
+			struct dev_c_lut *index =
+				ipp110->saved_palette + i;
+
+			set_reg_field_value(
+				value,
+				gamma[index->red].red,
+				DC_LUT_SEQ_COLOR,
+				DC_LUT_SEQ_COLOR);
+			dm_write_reg(ipp110->base.ctx, addr, value);
+
+
+			set_reg_field_value(
+				value,
+				gamma[index->green].green,
+				DC_LUT_SEQ_COLOR,
+				DC_LUT_SEQ_COLOR);
+			dm_write_reg(ipp110->base.ctx, addr, value);
+
+
+			set_reg_field_value(
+				value,
+				gamma[index->blue].blue,
+				DC_LUT_SEQ_COLOR,
+				DC_LUT_SEQ_COLOR);
+			dm_write_reg(ipp110->base.ctx, addr, value);
+
+			++i;
+		} while (i != RGB_256X3X16);
+	} else {
+		addr = DCP_REG(mmDC_LUT_SEQ_COLOR);
+
+		do {
+			set_reg_field_value(
+				value,
+				gamma[i].red,
+				DC_LUT_SEQ_COLOR,
+				DC_LUT_SEQ_COLOR);
+			dm_write_reg(ipp110->base.ctx, addr, value);
+
+
+			set_reg_field_value(
+				value,
+				gamma[i].green,
+				DC_LUT_SEQ_COLOR,
+				DC_LUT_SEQ_COLOR);
+			dm_write_reg(ipp110->base.ctx, addr, value);
+
+
+			set_reg_field_value(
+				value,
+				gamma[i].blue,
+				DC_LUT_SEQ_COLOR,
+				DC_LUT_SEQ_COLOR);
+			dm_write_reg(ipp110->base.ctx, addr, value);
+
+			++i;
+		} while (i != RGB_256X3X16);
+	}
+
+	/*  we are done with DCP LUT memory; re-enable low power mode */
+	value = dm_read_reg(ipp110->base.ctx, DCP_REG(mmDCFE_MEM_PWR_CTRL));
+
+	set_reg_field_value(
+		value,
+		0,
+		DCFE_MEM_PWR_CTRL,
+		DCP_REGAMMA_MEM_PWR_DIS);
+
+	dm_write_reg(ipp110->base.ctx, DCP_REG(mmDCFE_MEM_PWR_CTRL), value);
+}
+
+static void program_prescale(
+	struct dce110_ipp *ipp110,
+	enum pixel_format pixel_format)
+{
+	uint32_t prescale_control;
+	uint32_t prescale_values_grph_r = 0;
+	uint32_t prescale_values_grph_g = 0;
+	uint32_t prescale_values_grph_b = 0;
+
+	uint32_t prescale_num;
+	uint32_t prescale_denom = 1;
+	uint16_t prescale_hw;
+	uint32_t bias_num = 0;
+	uint32_t bias_denom = 1;
+	uint16_t bias_hw;
+
+	const uint32_t addr_control = DCP_REG(mmPRESCALE_GRPH_CONTROL);
+
+	prescale_control = dm_read_reg(ipp110->base.ctx, addr_control);
+
+	set_reg_field_value(
+		prescale_control,
+		0,
+		PRESCALE_GRPH_CONTROL,
+		GRPH_PRESCALE_BYPASS);
+
+	switch (pixel_format) {
+	case PIXEL_FORMAT_RGB565:
+		prescale_num = 64;
+		prescale_denom = 63;
+	break;
+
+	case PIXEL_FORMAT_ARGB8888:
+		/* This function should only be called when using regamma
+		 * and bypassing legacy INPUT GAMMA LUT (function name is
+		 * misleading)
+		 */
+		prescale_num = 256;
+		prescale_denom = 255;
+	break;
+
+	case PIXEL_FORMAT_ARGB2101010:
+		prescale_num = 1024;
+		prescale_denom = 1023;
+	break;
+
+	case PIXEL_FORMAT_ARGB2101010_XRBIAS:
+		prescale_num = 1024;
+		prescale_denom = 510;
+		bias_num = 384;
+		bias_denom = 1024;
+	break;
+
+	case PIXEL_FORMAT_FP16:
+		prescale_num = 1;
+	break;
+
+	default:
+		prescale_num = 1;
+
+		set_reg_field_value(
+			prescale_control,
+			1,
+			PRESCALE_GRPH_CONTROL,
+			GRPH_PRESCALE_BYPASS);
+	}
+
+	prescale_hw = fixed_point_to_int_frac(
+		dal_fixed31_32_from_fraction(prescale_num, prescale_denom),
+		2, 13);
+
+	bias_hw = fixed_point_to_int_frac(
+		dal_fixed31_32_from_fraction(bias_num, bias_denom),
+		2, 13);
+
+
+	set_reg_field_value(
+		prescale_values_grph_r,
+		prescale_hw,
+		PRESCALE_VALUES_GRPH_R,
+		GRPH_PRESCALE_SCALE_R);
+
+	set_reg_field_value(
+		prescale_values_grph_r,
+		bias_hw,
+		PRESCALE_VALUES_GRPH_R,
+		GRPH_PRESCALE_BIAS_R);
+
+
+	set_reg_field_value(
+		prescale_values_grph_g,
+		prescale_hw,
+		PRESCALE_VALUES_GRPH_G,
+		GRPH_PRESCALE_SCALE_G);
+
+	set_reg_field_value(
+		prescale_values_grph_g,
+		bias_hw,
+		PRESCALE_VALUES_GRPH_G,
+		GRPH_PRESCALE_BIAS_G);
+
+
+	set_reg_field_value(
+		prescale_values_grph_b,
+		prescale_hw,
+		PRESCALE_VALUES_GRPH_B,
+		GRPH_PRESCALE_SCALE_B);
+
+	set_reg_field_value(
+		prescale_values_grph_b,
+		bias_hw,
+		PRESCALE_VALUES_GRPH_B,
+		GRPH_PRESCALE_BIAS_B);
+
+	dm_write_reg(ipp110->base.ctx,
+		addr_control, prescale_control);
+
+	{
+		dm_write_reg(ipp110->base.ctx,
+				DCP_REG(mmPRESCALE_VALUES_GRPH_R),
+				prescale_values_grph_r);
+	}
+
+	{
+		dm_write_reg(ipp110->base.ctx,
+				DCP_REG(mmPRESCALE_VALUES_GRPH_G),
+				prescale_values_grph_g);
+	}
+
+	{
+		dm_write_reg(ipp110->base.ctx,
+				DCP_REG(mmPRESCALE_VALUES_GRPH_B),
+				prescale_values_grph_b);
+	}
+}
+
+static void set_legacy_input_gamma_mode(
+	struct dce110_ipp *ipp110,
+	bool is_legacy)
+{
+	const uint32_t addr = DCP_REG(mmINPUT_GAMMA_CONTROL);
+	uint32_t value = dm_read_reg(ipp110->base.ctx, addr);
+
+	set_reg_field_value(
+		value,
+		!is_legacy,
+		INPUT_GAMMA_CONTROL,
+		GRPH_INPUT_GAMMA_MODE);
+
+	dm_write_reg(ipp110->base.ctx, addr, value);
+}
+
+static bool set_legacy_input_gamma_ramp_rgb256x3x16(
+	struct dce110_ipp *ipp110,
+	const struct gamma_ramp *gamma_ramp,
+	const struct gamma_parameters *params)
+{
+	struct dev_c_lut16 *gamma16 =
+		dm_alloc(
+			ipp110->base.ctx,
+			sizeof(struct dev_c_lut16) * MAX_INPUT_LUT_ENTRY);
+
+	if (!gamma16)
+		return false;
+
+	convert_256_lut_entries_to_gxo_format(
+		&gamma_ramp->gamma_ramp_rgb256x3x16, gamma16);
+
+	if ((params->surface_pixel_format != PIXEL_FORMAT_ARGB2101010) &&
+		(params->surface_pixel_format !=
+			PIXEL_FORMAT_ARGB2101010_XRBIAS) &&
+		(params->surface_pixel_format != PIXEL_FORMAT_FP16)) {
+		program_lut_gamma(ipp110, gamma16, params);
+		dm_free(ipp110->base.ctx, gamma16);
+		return true;
+	}
+
+	/* TODO process DirectX-specific formats*/
+	dm_free(ipp110->base.ctx, gamma16);
+	return false;
+}
+
+static bool set_legacy_input_gamma_ramp_dxgi1(
+	struct dce110_ipp *ipp110,
+	const struct gamma_ramp *gamma_ramp,
+	const struct gamma_parameters *params)
+{
+	struct dev_c_lut16 *gamma16 =
+		dm_alloc(
+			ipp110->base.ctx,
+			sizeof(struct dev_c_lut16) * MAX_INPUT_LUT_ENTRY);
+
+	if (!gamma16)
+		return false;
+
+	convert_udx_gamma_entries_to_gxo_format(
+		&gamma_ramp->gamma_ramp_dxgi1, gamma16);
+
+	if ((params->surface_pixel_format != PIXEL_FORMAT_ARGB2101010) &&
+		(params->surface_pixel_format !=
+			PIXEL_FORMAT_ARGB2101010_XRBIAS) &&
+		(params->surface_pixel_format != PIXEL_FORMAT_FP16)) {
+		program_lut_gamma(ipp110, gamma16, params);
+		dm_free(ipp110->base.ctx, gamma16);
+		return true;
+	}
+
+	/* TODO process DirectX-specific formats*/
+	dm_free(ipp110->base.ctx, gamma16);
+	return false;
+}
+
+static bool set_default_gamma(
+	struct dce110_ipp *ipp110,
+	enum pixel_format surface_pixel_format)
+{
+	uint32_t i;
+
+	struct dev_c_lut16 *gamma16 = NULL;
+	struct gamma_parameters *params = NULL;
+
+	gamma16 = dm_alloc(
+			ipp110->base.ctx,
+			sizeof(struct dev_c_lut16) * MAX_INPUT_LUT_ENTRY);
+
+	if (!gamma16)
+		return false;
+
+	params = dm_alloc(ipp110->base.ctx, sizeof(*params));
+
+	if (!params) {
+		dm_free(ipp110->base.ctx, gamma16);
+		return false;
+	}
+
+	for (i = 0; i < MAX_INPUT_LUT_ENTRY; i++) {
+		gamma16[i].red = gamma16[i].green =
+			gamma16[i].blue = (uint16_t) (i << 8);
+	}
+
+	params->surface_pixel_format = surface_pixel_format;
+	params->regamma_adjust_type = GRAPHICS_REGAMMA_ADJUST_HW;
+	params->degamma_adjust_type = GRAPHICS_DEGAMMA_ADJUST_HW;
+	params->selected_gamma_lut = GRAPHICS_GAMMA_LUT_REGAMMA;
+	params->disable_adjustments = false;
+
+	params->regamma.features.value = 0;
+
+	params->regamma.features.bits.GAMMA_RAMP_ARRAY = 0;
+	params->regamma.features.bits.GRAPHICS_DEGAMMA_SRGB = 1;
+	params->regamma.features.bits.OVERLAY_DEGAMMA_SRGB = 1;
+
+	for (i = 0; i < 3; i++) {
+		params->regamma.gamma_coeff.a0[i] = 31308;
+		params->regamma.gamma_coeff.a1[i] = 12920;
+		params->regamma.gamma_coeff.a2[i] = 55;
+		params->regamma.gamma_coeff.a3[i] = 55;
+		params->regamma.gamma_coeff.gamma[i] = 2400;
+
+	}
+
+	program_lut_gamma(ipp110, gamma16, params);
+
+	dm_free(ipp110->base.ctx, gamma16);
+	dm_free(ipp110->base.ctx, params);
+
+	return true;
+}
+
+static void set_degamma(
+	struct dce110_ipp *ipp110,
+	const struct gamma_parameters *params,
+	bool force_bypass)
+{
+	uint32_t value;
+	const uint32_t addr = DCP_REG(mmDEGAMMA_CONTROL);
+	uint32_t degamma_type =
+		params->regamma.features.bits.GRAPHICS_DEGAMMA_SRGB == 1 ?
+			1 : 2;
+
+	value = dm_read_reg(ipp110->base.ctx, addr);
+
+	/* if by pass - no degamma
+	 * when legacy and regamma LUT's we do degamma */
+	if (params->degamma_adjust_type == GRAPHICS_DEGAMMA_ADJUST_BYPASS ||
+		(params->surface_pixel_format == PIXEL_FORMAT_FP16 &&
+			params->selected_gamma_lut ==
+				GRAPHICS_GAMMA_LUT_REGAMMA))
+		degamma_type = 0;
+
+	if (force_bypass)
+		degamma_type = 0;
+
+	set_reg_field_value(
+		value,
+		degamma_type,
+		DEGAMMA_CONTROL,
+		GRPH_DEGAMMA_MODE);
+
+	set_reg_field_value(
+		value,
+		degamma_type,
+		DEGAMMA_CONTROL,
+		CURSOR_DEGAMMA_MODE);
+
+	set_reg_field_value(
+		value,
+		degamma_type,
+		DEGAMMA_CONTROL,
+		CURSOR2_DEGAMMA_MODE);
+
+	dm_write_reg(ipp110->base.ctx, addr, value);
+}
+
-- 
2.1.4



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