xref: /linux/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h (revision 946e2c5b)
1 /*
2  * Copyright 2012-15 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef __DAL_TRANSFORM_H__
27 #define __DAL_TRANSFORM_H__
28 
29 #include "hw_shared.h"
30 #include "dc_hw_types.h"
31 #include "fixed31_32.h"
32 #include "spl/dc_spl_types.h"
33 
34 #define CSC_TEMPERATURE_MATRIX_SIZE 12
35 
36 struct bit_depth_reduction_params;
37 
38 struct transform {
39 	const struct transform_funcs *funcs;
40 	struct dc_context *ctx;
41 	int inst;
42 	struct dpp_caps *caps;
43 	struct pwl_params regamma_params;
44 };
45 
46 /* Colorimetry */
47 enum colorimetry {
48 	COLORIMETRY_NO_DATA = 0,
49 	COLORIMETRY_ITU601 = 1,
50 	COLORIMETRY_ITU709 = 2,
51 	COLORIMETRY_EXTENDED = 3
52 };
53 
54 enum colorimetry_ext {
55 	COLORIMETRYEX_XVYCC601 = 0,
56 	COLORIMETRYEX_XVYCC709 = 1,
57 	COLORIMETRYEX_SYCC601 = 2,
58 	COLORIMETRYEX_ADOBEYCC601 = 3,
59 	COLORIMETRYEX_ADOBERGB = 4,
60 	COLORIMETRYEX_BT2020YCC = 5,
61 	COLORIMETRYEX_BT2020RGBYCBCR = 6,
62 	COLORIMETRYEX_RESERVED = 7
63 };
64 
65 enum active_format_info {
66 	ACTIVE_FORMAT_NO_DATA = 0,
67 	ACTIVE_FORMAT_VALID = 1
68 };
69 
70 /* Active format aspect ratio */
71 enum active_format_aspect_ratio {
72 	ACTIVE_FORMAT_ASPECT_RATIO_SAME_AS_PICTURE = 8,
73 	ACTIVE_FORMAT_ASPECT_RATIO_4_3 = 9,
74 	ACTIVE_FORMAT_ASPECT_RATIO_16_9 = 0XA,
75 	ACTIVE_FORMAT_ASPECT_RATIO_14_9 = 0XB
76 };
77 
78 enum bar_info {
79 	BAR_INFO_NOT_VALID = 0,
80 	BAR_INFO_VERTICAL_VALID = 1,
81 	BAR_INFO_HORIZONTAL_VALID = 2,
82 	BAR_INFO_BOTH_VALID = 3
83 };
84 
85 enum picture_scaling {
86 	PICTURE_SCALING_UNIFORM = 0,
87 	PICTURE_SCALING_HORIZONTAL = 1,
88 	PICTURE_SCALING_VERTICAL = 2,
89 	PICTURE_SCALING_BOTH = 3
90 };
91 
92 /* RGB quantization range */
93 enum rgb_quantization_range {
94 	RGB_QUANTIZATION_DEFAULT_RANGE = 0,
95 	RGB_QUANTIZATION_LIMITED_RANGE = 1,
96 	RGB_QUANTIZATION_FULL_RANGE = 2,
97 	RGB_QUANTIZATION_RESERVED = 3
98 };
99 
100 /* YYC quantization range */
101 enum yyc_quantization_range {
102 	YYC_QUANTIZATION_LIMITED_RANGE = 0,
103 	YYC_QUANTIZATION_FULL_RANGE = 1,
104 	YYC_QUANTIZATION_RESERVED2 = 2,
105 	YYC_QUANTIZATION_RESERVED3 = 3
106 };
107 
108 enum graphics_gamut_adjust_type {
109 	GRAPHICS_GAMUT_ADJUST_TYPE_BYPASS = 0,
110 	GRAPHICS_GAMUT_ADJUST_TYPE_HW, /* without adjustments */
111 	GRAPHICS_GAMUT_ADJUST_TYPE_SW /* use adjustments */
112 };
113 
114 struct xfm_grph_csc_adjustment {
115 	struct fixed31_32 temperature_matrix[CSC_TEMPERATURE_MATRIX_SIZE];
116 	enum graphics_gamut_adjust_type gamut_adjust_type;
117 };
118 
119 struct overscan_info {
120 	int left;
121 	int right;
122 	int top;
123 	int bottom;
124 };
125 
126 struct scaling_ratios {
127 	struct fixed31_32 horz;
128 	struct fixed31_32 vert;
129 	struct fixed31_32 horz_c;
130 	struct fixed31_32 vert_c;
131 };
132 
133 struct sharpness_adj {
134 	int horz;
135 	int vert;
136 };
137 
138 struct line_buffer_params {
139 	bool alpha_en;
140 	bool pixel_expan_mode;
141 	bool interleave_en;
142 	int dynamic_pixel_depth;
143 	enum lb_pixel_depth depth;
144 };
145 
146 struct scl_inits {
147 	struct fixed31_32 h;
148 	struct fixed31_32 h_c;
149 	struct fixed31_32 v;
150 	struct fixed31_32 v_c;
151 };
152 
153 struct scaler_data {
154 	int h_active;
155 	int v_active;
156 	struct scaling_taps taps;
157 	struct rect viewport;
158 	struct rect viewport_c;
159 	struct rect recout;
160 	struct scaling_ratios ratios;
161 	struct scl_inits inits;
162 	struct sharpness_adj sharpness;
163 	enum pixel_format format;
164 	struct line_buffer_params lb_params;
165 	// Below struct holds the scaler values to program hw registers
166 	struct dscl_prog_data dscl_prog_data;
167 };
168 
169 struct transform_funcs {
170 	void (*transform_reset)(struct transform *xfm);
171 
172 	void (*transform_set_scaler)(struct transform *xfm,
173 			const struct scaler_data *scl_data);
174 
175 	void (*transform_set_pixel_storage_depth)(
176 			struct transform *xfm,
177 			enum lb_pixel_depth depth,
178 			const struct bit_depth_reduction_params *bit_depth_params);
179 
180 	bool (*transform_get_optimal_number_of_taps)(
181 			struct transform *xfm,
182 			struct scaler_data *scl_data,
183 			const struct scaling_taps *in_taps);
184 
185 	void (*transform_set_gamut_remap)(
186 			struct transform *xfm,
187 			const struct xfm_grph_csc_adjustment *adjust);
188 
189 	void (*opp_set_csc_default)(
190 		struct transform *xfm,
191 		const struct default_adjustment *default_adjust);
192 
193 	void (*opp_set_csc_adjustment)(
194 		struct transform *xfm,
195 		const struct out_csc_color_matrix *tbl_entry);
196 
197 	void (*opp_power_on_regamma_lut)(
198 		struct transform *xfm,
199 		bool power_on);
200 
201 	void (*opp_program_regamma_lut)(
202 			struct transform *xfm,
203 			const struct pwl_result_data *rgb,
204 			uint32_t num);
205 
206 	void (*opp_configure_regamma_lut)(
207 			struct transform *xfm,
208 			bool is_ram_a);
209 
210 	void (*opp_program_regamma_lutb_settings)(
211 			struct transform *xfm,
212 			const struct pwl_params *params);
213 
214 	void (*opp_program_regamma_luta_settings)(
215 			struct transform *xfm,
216 			const struct pwl_params *params);
217 
218 	void (*opp_program_regamma_pwl)(
219 		struct transform *xfm, const struct pwl_params *params);
220 
221 	void (*opp_set_regamma_mode)(
222 			struct transform *xfm_base,
223 			enum opp_regamma mode);
224 
225 	void (*ipp_set_degamma)(
226 			struct transform *xfm_base,
227 			enum ipp_degamma_mode mode);
228 
229 	void (*ipp_program_input_lut)(
230 			struct transform *xfm_base,
231 			const struct dc_gamma *gamma);
232 
233 	void (*ipp_program_degamma_pwl)(struct transform *xfm_base,
234 									 const struct pwl_params *params);
235 
236 	void (*ipp_setup)(
237 			struct transform *xfm_base,
238 			enum surface_pixel_format format,
239 			enum expansion_mode mode,
240 			struct dc_csc_transform input_csc_color_matrix,
241 			enum dc_color_space input_color_space);
242 
243 	void (*ipp_full_bypass)(struct transform *xfm_base);
244 
245 	void (*set_cursor_attributes)(
246 			struct transform *xfm_base,
247 			const struct dc_cursor_attributes *attr);
248 };
249 
250 const uint16_t *get_filter_2tap_16p(void);
251 const uint16_t *get_filter_2tap_64p(void);
252 const uint16_t *get_filter_3tap_16p(struct fixed31_32 ratio);
253 const uint16_t *get_filter_3tap_64p(struct fixed31_32 ratio);
254 const uint16_t *get_filter_4tap_16p(struct fixed31_32 ratio);
255 const uint16_t *get_filter_4tap_64p(struct fixed31_32 ratio);
256 const uint16_t *get_filter_5tap_64p(struct fixed31_32 ratio);
257 const uint16_t *get_filter_6tap_64p(struct fixed31_32 ratio);
258 const uint16_t *get_filter_7tap_64p(struct fixed31_32 ratio);
259 const uint16_t *get_filter_8tap_64p(struct fixed31_32 ratio);
260 
261 
262 /* Defines the pixel processing capability of the DSCL */
263 enum dscl_data_processing_format {
264 	DSCL_DATA_PRCESSING_FIXED_FORMAT,	/* The DSCL processes pixel data in fixed format */
265 	DSCL_DATA_PRCESSING_FLOAT_FORMAT,	/* The DSCL processes pixel data in float format */
266 };
267 
268 /*
269  * The DPP capabilities structure contains enumerations to specify the
270  * HW processing features and an associated function pointers to
271  * provide the function interface that can be overloaded for implementations
272  * based on different capabilities
273  */
274 struct dpp_caps {
275 	/* DSCL processing pixel data in fixed or float format */
276 	enum dscl_data_processing_format dscl_data_proc_format;
277 
278 	/* max LB partitions */
279 	unsigned int max_lb_partitions;
280 
281 	/* Calculates the number of partitions in the line buffer.
282 	 * The implementation of this function is overloaded for
283 	 * different versions of DSCL LB.
284 	 */
285 	void (*dscl_calc_lb_num_partitions)(
286 			const struct scaler_data *scl_data,
287 			enum lb_memory_config lb_config,
288 			int *num_part_y,
289 			int *num_part_c);
290 };
291 
292 
293 #endif
294