xref: /linux/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h (revision 0ad53fe3ae82443c74ff8cfd7bd13377cc1134a3)
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 
27 #ifndef __DAL_DPP_H__
28 #define __DAL_DPP_H__
29 
30 #include "transform.h"
31 
32 union defer_reg_writes {
33 	struct {
34 		bool disable_blnd_lut:1;
35 		bool disable_3dlut:1;
36 		bool disable_shaper:1;
37 	} bits;
38 	uint32_t raw;
39 };
40 
41 struct dpp {
42 	const struct dpp_funcs *funcs;
43 	struct dc_context *ctx;
44 	/**
45 	 * @inst:
46 	 *
47 	 * inst stands for "instance," and it is an id number that references a
48 	 * specific DPP.
49 	 */
50 	int inst;
51 	struct dpp_caps *caps;
52 	struct pwl_params regamma_params;
53 	struct pwl_params degamma_params;
54 	struct dpp_cursor_attributes cur_attr;
55 	union defer_reg_writes deferred_reg_writes;
56 
57 	struct pwl_params shaper_params;
58 	bool cm_bypass_mode;
59 };
60 
61 struct dpp_input_csc_matrix {
62 	enum dc_color_space color_space;
63 	uint16_t regval[12];
64 };
65 
66 static const struct dpp_input_csc_matrix __maybe_unused dpp_input_csc_matrix[] = {
67 	{COLOR_SPACE_SRGB,
68 		{0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
69 	{COLOR_SPACE_SRGB_LIMITED,
70 		{0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
71 	{COLOR_SPACE_YCBCR601,
72 		{0x2cdd, 0x2000, 0, 0xe991, 0xe926, 0x2000, 0xf4fd, 0x10ef,
73 						0, 0x2000, 0x38b4, 0xe3a6} },
74 	{COLOR_SPACE_YCBCR601_LIMITED,
75 		{0x3353, 0x2568, 0, 0xe400, 0xe5dc, 0x2568, 0xf367, 0x1108,
76 						0, 0x2568, 0x40de, 0xdd3a} },
77 	{COLOR_SPACE_YCBCR709,
78 		{0x3265, 0x2000, 0, 0xe6ce, 0xf105, 0x2000, 0xfa01, 0xa7d, 0,
79 						0x2000, 0x3b61, 0xe24f} },
80 
81 	{COLOR_SPACE_YCBCR709_LIMITED,
82 		{0x39a6, 0x2568, 0, 0xe0d6, 0xeedd, 0x2568, 0xf925, 0x9a8, 0,
83 						0x2568, 0x43ee, 0xdbb2} }
84 };
85 
86 struct dpp_grph_csc_adjustment {
87 	struct fixed31_32 temperature_matrix[CSC_TEMPERATURE_MATRIX_SIZE];
88 	enum graphics_gamut_adjust_type gamut_adjust_type;
89 };
90 
91 struct cnv_color_keyer_params {
92 	int color_keyer_en;
93 	int color_keyer_mode;
94 	int color_keyer_alpha_low;
95 	int color_keyer_alpha_high;
96 	int color_keyer_red_low;
97 	int color_keyer_red_high;
98 	int color_keyer_green_low;
99 	int color_keyer_green_high;
100 	int color_keyer_blue_low;
101 	int color_keyer_blue_high;
102 };
103 
104 /* new for dcn2: set the 8bit alpha values based on the 2 bit alpha
105  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT0   default: 0b00000000
106  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT1   default: 0b01010101
107  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT2   default: 0b10101010
108  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT3   default: 0b11111111
109  */
110 struct cnv_alpha_2bit_lut {
111 	int lut0;
112 	int lut1;
113 	int lut2;
114 	int lut3;
115 };
116 
117 struct dcn_dpp_state {
118 	uint32_t is_enabled;
119 	uint32_t igam_lut_mode;
120 	uint32_t igam_input_format;
121 	uint32_t dgam_lut_mode;
122 	uint32_t rgam_lut_mode;
123 	uint32_t gamut_remap_mode;
124 	uint32_t gamut_remap_c11_c12;
125 	uint32_t gamut_remap_c13_c14;
126 	uint32_t gamut_remap_c21_c22;
127 	uint32_t gamut_remap_c23_c24;
128 	uint32_t gamut_remap_c31_c32;
129 	uint32_t gamut_remap_c33_c34;
130 };
131 
132 struct CM_bias_params {
133 	uint32_t cm_bias_cr_r;
134 	uint32_t cm_bias_y_g;
135 	uint32_t cm_bias_cb_b;
136 	uint32_t cm_bias_format;
137 };
138 
139 struct dpp_funcs {
140 	bool (*dpp_program_gamcor_lut)(
141 		struct dpp *dpp_base, const struct pwl_params *params);
142 
143 	void (*dpp_set_pre_degam)(struct dpp *dpp_base,
144 			enum dc_transfer_func_predefined tr);
145 
146 	void (*dpp_program_cm_dealpha)(struct dpp *dpp_base,
147 		uint32_t enable, uint32_t additive_blending);
148 
149 	void (*dpp_program_cm_bias)(
150 		struct dpp *dpp_base,
151 		struct CM_bias_params *bias_params);
152 
153 	void (*dpp_read_state)(struct dpp *dpp, struct dcn_dpp_state *s);
154 
155 	void (*dpp_reset)(struct dpp *dpp);
156 
157 	void (*dpp_set_scaler)(struct dpp *dpp,
158 			const struct scaler_data *scl_data);
159 
160 	void (*dpp_set_pixel_storage_depth)(
161 			struct dpp *dpp,
162 			enum lb_pixel_depth depth,
163 			const struct bit_depth_reduction_params *bit_depth_params);
164 
165 	bool (*dpp_get_optimal_number_of_taps)(
166 			struct dpp *dpp,
167 			struct scaler_data *scl_data,
168 			const struct scaling_taps *in_taps);
169 
170 	void (*dpp_set_gamut_remap)(
171 			struct dpp *dpp,
172 			const struct dpp_grph_csc_adjustment *adjust);
173 
174 	void (*dpp_set_csc_default)(
175 		struct dpp *dpp,
176 		enum dc_color_space colorspace);
177 
178 	void (*dpp_set_csc_adjustment)(
179 		struct dpp *dpp,
180 		const uint16_t *regval);
181 
182 	void (*dpp_power_on_regamma_lut)(
183 		struct dpp *dpp,
184 		bool power_on);
185 
186 	void (*dpp_program_regamma_lut)(
187 			struct dpp *dpp,
188 			const struct pwl_result_data *rgb,
189 			uint32_t num);
190 
191 	void (*dpp_configure_regamma_lut)(
192 			struct dpp *dpp,
193 			bool is_ram_a);
194 
195 	void (*dpp_program_regamma_lutb_settings)(
196 			struct dpp *dpp,
197 			const struct pwl_params *params);
198 
199 	void (*dpp_program_regamma_luta_settings)(
200 			struct dpp *dpp,
201 			const struct pwl_params *params);
202 
203 	void (*dpp_program_regamma_pwl)(
204 		struct dpp *dpp,
205 		const struct pwl_params *params,
206 		enum opp_regamma mode);
207 
208 	void (*dpp_program_bias_and_scale)(
209 			struct dpp *dpp,
210 			struct dc_bias_and_scale *params);
211 
212 	void (*dpp_set_degamma)(
213 			struct dpp *dpp_base,
214 			enum ipp_degamma_mode mode);
215 
216 	void (*dpp_program_input_lut)(
217 			struct dpp *dpp_base,
218 			const struct dc_gamma *gamma);
219 
220 	void (*dpp_program_degamma_pwl)(struct dpp *dpp_base,
221 									 const struct pwl_params *params);
222 
223 	void (*dpp_setup)(
224 			struct dpp *dpp_base,
225 			enum surface_pixel_format format,
226 			enum expansion_mode mode,
227 			struct dc_csc_transform input_csc_color_matrix,
228 			enum dc_color_space input_color_space,
229 			struct cnv_alpha_2bit_lut *alpha_2bit_lut);
230 
231 	void (*dpp_full_bypass)(struct dpp *dpp_base);
232 
233 	void (*set_cursor_attributes)(
234 			struct dpp *dpp_base,
235 			struct dc_cursor_attributes *cursor_attributes);
236 
237 	void (*set_cursor_position)(
238 			struct dpp *dpp_base,
239 			const struct dc_cursor_position *pos,
240 			const struct dc_cursor_mi_param *param,
241 			uint32_t width,
242 			uint32_t height
243 			);
244 
245 	void (*dpp_set_hdr_multiplier)(
246 			struct dpp *dpp_base,
247 			uint32_t multiplier);
248 
249 	void (*set_optional_cursor_attributes)(
250 			struct dpp *dpp_base,
251 			struct dpp_cursor_attributes *attr);
252 
253 	void (*dpp_dppclk_control)(
254 			struct dpp *dpp_base,
255 			bool dppclk_div,
256 			bool enable);
257 
258 	void (*dpp_deferred_update)(
259 			struct dpp *dpp);
260 	bool (*dpp_program_blnd_lut)(
261 			struct dpp *dpp,
262 			const struct pwl_params *params);
263 	bool (*dpp_program_shaper_lut)(
264 			struct dpp *dpp,
265 			const struct pwl_params *params);
266 	bool (*dpp_program_3dlut)(
267 			struct dpp *dpp,
268 			struct tetrahedral_params *params);
269 	void (*dpp_cnv_set_alpha_keyer)(
270 			struct dpp *dpp_base,
271 			struct cnv_color_keyer_params *color_keyer);
272 };
273 
274 
275 
276 #endif
277