drm/amd/dc: Add dc display driver (v2)

Supported DCE versions: 8.0, 10.0, 11.0, 11.2

v2: rebase against 4.11

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 179 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h
new file mode 100644
index 000000000000..ef743b70b3e9
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h
@@ -0,0 +1,179 @@
+/*
+ * 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 __DAL_TRANSFORM_H__
+#define __DAL_TRANSFORM_H__
+
+#include "dc_hw_types.h"
+#include "fixed31_32.h"
+
+#define CSC_TEMPERATURE_MATRIX_SIZE 9
+
+struct bit_depth_reduction_params;
+
+struct transform {
+	const struct transform_funcs *funcs;
+	struct dc_context *ctx;
+	int inst;
+};
+
+/* Colorimetry */
+enum colorimetry {
+	COLORIMETRY_NO_DATA = 0,
+	COLORIMETRY_ITU601 = 1,
+	COLORIMETRY_ITU709 = 2,
+	COLORIMETRY_EXTENDED = 3
+};
+
+enum active_format_info {
+	ACTIVE_FORMAT_NO_DATA = 0,
+	ACTIVE_FORMAT_VALID = 1
+};
+
+/* Active format aspect ratio */
+enum active_format_aspect_ratio {
+	ACTIVE_FORMAT_ASPECT_RATIO_SAME_AS_PICTURE = 8,
+	ACTIVE_FORMAT_ASPECT_RATIO_4_3 = 9,
+	ACTIVE_FORMAT_ASPECT_RATIO_16_9 = 0XA,
+	ACTIVE_FORMAT_ASPECT_RATIO_14_9 = 0XB
+};
+
+enum bar_info {
+	BAR_INFO_NOT_VALID = 0,
+	BAR_INFO_VERTICAL_VALID = 1,
+	BAR_INFO_HORIZONTAL_VALID = 2,
+	BAR_INFO_BOTH_VALID = 3
+};
+
+enum picture_scaling {
+	PICTURE_SCALING_UNIFORM = 0,
+	PICTURE_SCALING_HORIZONTAL = 1,
+	PICTURE_SCALING_VERTICAL = 2,
+	PICTURE_SCALING_BOTH = 3
+};
+
+/* RGB quantization range */
+enum rgb_quantization_range {
+	RGB_QUANTIZATION_DEFAULT_RANGE = 0,
+	RGB_QUANTIZATION_LIMITED_RANGE = 1,
+	RGB_QUANTIZATION_FULL_RANGE = 2,
+	RGB_QUANTIZATION_RESERVED = 3
+};
+
+/* YYC quantization range */
+enum yyc_quantization_range {
+	YYC_QUANTIZATION_LIMITED_RANGE = 0,
+	YYC_QUANTIZATION_FULL_RANGE = 1,
+	YYC_QUANTIZATION_RESERVED2 = 2,
+	YYC_QUANTIZATION_RESERVED3 = 3
+};
+
+enum graphics_gamut_adjust_type {
+	GRAPHICS_GAMUT_ADJUST_TYPE_BYPASS = 0,
+	GRAPHICS_GAMUT_ADJUST_TYPE_HW, /* without adjustments */
+	GRAPHICS_GAMUT_ADJUST_TYPE_SW /* use adjustments */
+};
+
+struct xfm_grph_csc_adjustment {
+	struct fixed31_32 temperature_matrix[CSC_TEMPERATURE_MATRIX_SIZE];
+	enum graphics_gamut_adjust_type gamut_adjust_type;
+};
+
+enum lb_pixel_depth {
+	/* do not change the values because it is used as bit vector */
+	LB_PIXEL_DEPTH_18BPP = 1,
+	LB_PIXEL_DEPTH_24BPP = 2,
+	LB_PIXEL_DEPTH_30BPP = 4,
+	LB_PIXEL_DEPTH_36BPP = 8
+};
+
+struct overscan_info {
+	int left;
+	int right;
+	int top;
+	int bottom;
+};
+
+struct scaling_ratios {
+	struct fixed31_32 horz;
+	struct fixed31_32 vert;
+	struct fixed31_32 horz_c;
+	struct fixed31_32 vert_c;
+};
+
+struct sharpness_adj {
+	int horz;
+	int vert;
+};
+
+struct line_buffer_params {
+	bool alpha_en;
+	bool pixel_expan_mode;
+	bool interleave_en;
+	int dynamic_pixel_depth;
+	enum lb_pixel_depth depth;
+};
+
+struct scaler_data {
+	int h_active;
+	int v_active;
+	struct scaling_taps taps;
+	struct rect viewport;
+	struct rect recout;
+	struct scaling_ratios ratios;
+	struct sharpness_adj sharpness;
+	enum pixel_format format;
+	struct line_buffer_params lb_params;
+};
+
+struct transform_funcs {
+	void (*transform_reset)(struct transform *xfm);
+
+	void (*transform_set_scaler)(struct transform *xfm,
+			const struct scaler_data *scl_data);
+
+	void (*transform_set_gamut_remap)(
+			struct transform *xfm,
+			const struct xfm_grph_csc_adjustment *adjust);
+
+	void (*transform_set_pixel_storage_depth)(
+			struct transform *xfm,
+			enum lb_pixel_depth depth,
+			const struct bit_depth_reduction_params *bit_depth_params);
+
+	bool (*transform_get_optimal_number_of_taps)(
+			struct transform *xfm,
+			struct scaler_data *scl_data,
+			const struct scaling_taps *in_taps);
+};
+
+extern const uint16_t filter_2tap_16p[18];
+extern const uint16_t filter_2tap_64p[66];
+const uint16_t *get_filter_3tap_16p(struct fixed31_32 ratio);
+const uint16_t *get_filter_3tap_64p(struct fixed31_32 ratio);
+const uint16_t *get_filter_4tap_16p(struct fixed31_32 ratio);
+const uint16_t *get_filter_4tap_64p(struct fixed31_32 ratio);
+
+#endif