xref: /openbmc/linux/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h (revision 71501859)
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 struct dpp {
33 	const struct dpp_funcs *funcs;
34 	struct dc_context *ctx;
35 	/**
36 	 * @inst:
37 	 *
38 	 * inst stands for "instance," and it is an id number that references a
39 	 * specific DPP.
40 	 */
41 	int inst;
42 	struct dpp_caps *caps;
43 	struct pwl_params regamma_params;
44 	struct pwl_params degamma_params;
45 	struct dpp_cursor_attributes cur_attr;
46 
47 	struct pwl_params shaper_params;
48 	bool cm_bypass_mode;
49 };
50 
51 struct dpp_input_csc_matrix {
52 	enum dc_color_space color_space;
53 	uint16_t regval[12];
54 };
55 
56 static const struct dpp_input_csc_matrix __maybe_unused dpp_input_csc_matrix[] = {
57 	{COLOR_SPACE_SRGB,
58 		{0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
59 	{COLOR_SPACE_SRGB_LIMITED,
60 		{0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
61 	{COLOR_SPACE_YCBCR601,
62 		{0x2cdd, 0x2000, 0, 0xe991, 0xe926, 0x2000, 0xf4fd, 0x10ef,
63 						0, 0x2000, 0x38b4, 0xe3a6} },
64 	{COLOR_SPACE_YCBCR601_LIMITED,
65 		{0x3353, 0x2568, 0, 0xe400, 0xe5dc, 0x2568, 0xf367, 0x1108,
66 						0, 0x2568, 0x40de, 0xdd3a} },
67 	{COLOR_SPACE_YCBCR709,
68 		{0x3265, 0x2000, 0, 0xe6ce, 0xf105, 0x2000, 0xfa01, 0xa7d, 0,
69 						0x2000, 0x3b61, 0xe24f} },
70 
71 	{COLOR_SPACE_YCBCR709_LIMITED,
72 		{0x39a6, 0x2568, 0, 0xe0d6, 0xeedd, 0x2568, 0xf925, 0x9a8, 0,
73 						0x2568, 0x43ee, 0xdbb2} }
74 };
75 
76 struct dpp_grph_csc_adjustment {
77 	struct fixed31_32 temperature_matrix[CSC_TEMPERATURE_MATRIX_SIZE];
78 	enum graphics_gamut_adjust_type gamut_adjust_type;
79 };
80 
81 struct cnv_color_keyer_params {
82 	int color_keyer_en;
83 	int color_keyer_mode;
84 	int color_keyer_alpha_low;
85 	int color_keyer_alpha_high;
86 	int color_keyer_red_low;
87 	int color_keyer_red_high;
88 	int color_keyer_green_low;
89 	int color_keyer_green_high;
90 	int color_keyer_blue_low;
91 	int color_keyer_blue_high;
92 };
93 
94 /* new for dcn2: set the 8bit alpha values based on the 2 bit alpha
95  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT0   default: 0b00000000
96  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT1   default: 0b01010101
97  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT2   default: 0b10101010
98  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT3   default: 0b11111111
99  */
100 struct cnv_alpha_2bit_lut {
101 	int lut0;
102 	int lut1;
103 	int lut2;
104 	int lut3;
105 };
106 
107 struct dcn_dpp_state {
108 	uint32_t is_enabled;
109 	uint32_t igam_lut_mode;
110 	uint32_t igam_input_format;
111 	uint32_t dgam_lut_mode;
112 	uint32_t rgam_lut_mode;
113 	uint32_t gamut_remap_mode;
114 	uint32_t gamut_remap_c11_c12;
115 	uint32_t gamut_remap_c13_c14;
116 	uint32_t gamut_remap_c21_c22;
117 	uint32_t gamut_remap_c23_c24;
118 	uint32_t gamut_remap_c31_c32;
119 	uint32_t gamut_remap_c33_c34;
120 };
121 
122 struct CM_bias_params {
123 	uint32_t cm_bias_cr_r;
124 	uint32_t cm_bias_y_g;
125 	uint32_t cm_bias_cb_b;
126 	uint32_t cm_bias_format;
127 };
128 
129 struct dpp_funcs {
130 	bool (*dpp_program_gamcor_lut)(
131 		struct dpp *dpp_base, const struct pwl_params *params);
132 
133 	void (*dpp_set_pre_degam)(struct dpp *dpp_base,
134 			enum dc_transfer_func_predefined tr);
135 
136 	void (*dpp_program_cm_dealpha)(struct dpp *dpp_base,
137 		uint32_t enable, uint32_t additive_blending);
138 
139 	void (*dpp_program_cm_bias)(
140 		struct dpp *dpp_base,
141 		struct CM_bias_params *bias_params);
142 
143 	void (*dpp_read_state)(struct dpp *dpp, struct dcn_dpp_state *s);
144 
145 	void (*dpp_reset)(struct dpp *dpp);
146 
147 	void (*dpp_set_scaler)(struct dpp *dpp,
148 			const struct scaler_data *scl_data);
149 
150 	void (*dpp_set_pixel_storage_depth)(
151 			struct dpp *dpp,
152 			enum lb_pixel_depth depth,
153 			const struct bit_depth_reduction_params *bit_depth_params);
154 
155 	bool (*dpp_get_optimal_number_of_taps)(
156 			struct dpp *dpp,
157 			struct scaler_data *scl_data,
158 			const struct scaling_taps *in_taps);
159 
160 	void (*dpp_set_gamut_remap)(
161 			struct dpp *dpp,
162 			const struct dpp_grph_csc_adjustment *adjust);
163 
164 	void (*dpp_set_csc_default)(
165 		struct dpp *dpp,
166 		enum dc_color_space colorspace);
167 
168 	void (*dpp_set_csc_adjustment)(
169 		struct dpp *dpp,
170 		const uint16_t *regval);
171 
172 	void (*dpp_power_on_regamma_lut)(
173 		struct dpp *dpp,
174 		bool power_on);
175 
176 	void (*dpp_program_regamma_lut)(
177 			struct dpp *dpp,
178 			const struct pwl_result_data *rgb,
179 			uint32_t num);
180 
181 	void (*dpp_configure_regamma_lut)(
182 			struct dpp *dpp,
183 			bool is_ram_a);
184 
185 	void (*dpp_program_regamma_lutb_settings)(
186 			struct dpp *dpp,
187 			const struct pwl_params *params);
188 
189 	void (*dpp_program_regamma_luta_settings)(
190 			struct dpp *dpp,
191 			const struct pwl_params *params);
192 
193 	void (*dpp_program_regamma_pwl)(
194 		struct dpp *dpp,
195 		const struct pwl_params *params,
196 		enum opp_regamma mode);
197 
198 	void (*dpp_program_bias_and_scale)(
199 			struct dpp *dpp,
200 			struct dc_bias_and_scale *params);
201 
202 	void (*dpp_set_degamma)(
203 			struct dpp *dpp_base,
204 			enum ipp_degamma_mode mode);
205 
206 	void (*dpp_program_input_lut)(
207 			struct dpp *dpp_base,
208 			const struct dc_gamma *gamma);
209 
210 	void (*dpp_program_degamma_pwl)(struct dpp *dpp_base,
211 									 const struct pwl_params *params);
212 
213 	void (*dpp_setup)(
214 			struct dpp *dpp_base,
215 			enum surface_pixel_format format,
216 			enum expansion_mode mode,
217 			struct dc_csc_transform input_csc_color_matrix,
218 			enum dc_color_space input_color_space,
219 			struct cnv_alpha_2bit_lut *alpha_2bit_lut);
220 
221 	void (*dpp_full_bypass)(struct dpp *dpp_base);
222 
223 	void (*set_cursor_attributes)(
224 			struct dpp *dpp_base,
225 			struct dc_cursor_attributes *cursor_attributes);
226 
227 	void (*set_cursor_position)(
228 			struct dpp *dpp_base,
229 			const struct dc_cursor_position *pos,
230 			const struct dc_cursor_mi_param *param,
231 			uint32_t width,
232 			uint32_t height
233 			);
234 
235 	void (*dpp_set_hdr_multiplier)(
236 			struct dpp *dpp_base,
237 			uint32_t multiplier);
238 
239 	void (*set_optional_cursor_attributes)(
240 			struct dpp *dpp_base,
241 			struct dpp_cursor_attributes *attr);
242 
243 	void (*dpp_dppclk_control)(
244 			struct dpp *dpp_base,
245 			bool dppclk_div,
246 			bool enable);
247 
248 	bool (*dpp_program_blnd_lut)(
249 			struct dpp *dpp,
250 			const struct pwl_params *params);
251 	bool (*dpp_program_shaper_lut)(
252 			struct dpp *dpp,
253 			const struct pwl_params *params);
254 	bool (*dpp_program_3dlut)(
255 			struct dpp *dpp,
256 			struct tetrahedral_params *params);
257 	void (*dpp_cnv_set_alpha_keyer)(
258 			struct dpp *dpp_base,
259 			struct cnv_color_keyer_params *color_keyer);
260 };
261 
262 
263 
264 #endif
265