xref: /openbmc/linux/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h (revision 2cf1c348)
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 		bool disable_gamcor:1;
38 		bool disable_dscl:1;
39 	} bits;
40 	uint32_t raw;
41 };
42 
43 struct dpp {
44 	const struct dpp_funcs *funcs;
45 	struct dc_context *ctx;
46 	/**
47 	 * @inst:
48 	 *
49 	 * inst stands for "instance," and it is an id number that references a
50 	 * specific DPP.
51 	 */
52 	int inst;
53 	struct dpp_caps *caps;
54 	struct pwl_params regamma_params;
55 	struct pwl_params degamma_params;
56 	struct dpp_cursor_attributes cur_attr;
57 	union defer_reg_writes deferred_reg_writes;
58 
59 	struct pwl_params shaper_params;
60 	bool cm_bypass_mode;
61 };
62 
63 struct dpp_input_csc_matrix {
64 	enum dc_color_space color_space;
65 	uint16_t regval[12];
66 };
67 
68 static const struct dpp_input_csc_matrix __maybe_unused dpp_input_csc_matrix[] = {
69 	{COLOR_SPACE_SRGB,
70 		{0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
71 	{COLOR_SPACE_SRGB_LIMITED,
72 		{0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
73 	{COLOR_SPACE_YCBCR601,
74 		{0x2cdd, 0x2000, 0, 0xe991, 0xe926, 0x2000, 0xf4fd, 0x10ef,
75 						0, 0x2000, 0x38b4, 0xe3a6} },
76 	{COLOR_SPACE_YCBCR601_LIMITED,
77 		{0x3353, 0x2568, 0, 0xe400, 0xe5dc, 0x2568, 0xf367, 0x1108,
78 						0, 0x2568, 0x40de, 0xdd3a} },
79 	{COLOR_SPACE_YCBCR709,
80 		{0x3265, 0x2000, 0, 0xe6ce, 0xf105, 0x2000, 0xfa01, 0xa7d, 0,
81 						0x2000, 0x3b61, 0xe24f} },
82 
83 	{COLOR_SPACE_YCBCR709_LIMITED,
84 		{0x39a6, 0x2568, 0, 0xe0d6, 0xeedd, 0x2568, 0xf925, 0x9a8, 0,
85 						0x2568, 0x43ee, 0xdbb2} }
86 };
87 
88 struct dpp_grph_csc_adjustment {
89 	struct fixed31_32 temperature_matrix[CSC_TEMPERATURE_MATRIX_SIZE];
90 	enum graphics_gamut_adjust_type gamut_adjust_type;
91 };
92 
93 struct cnv_color_keyer_params {
94 	int color_keyer_en;
95 	int color_keyer_mode;
96 	int color_keyer_alpha_low;
97 	int color_keyer_alpha_high;
98 	int color_keyer_red_low;
99 	int color_keyer_red_high;
100 	int color_keyer_green_low;
101 	int color_keyer_green_high;
102 	int color_keyer_blue_low;
103 	int color_keyer_blue_high;
104 };
105 
106 /* new for dcn2: set the 8bit alpha values based on the 2 bit alpha
107  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT0   default: 0b00000000
108  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT1   default: 0b01010101
109  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT2   default: 0b10101010
110  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT3   default: 0b11111111
111  */
112 struct cnv_alpha_2bit_lut {
113 	int lut0;
114 	int lut1;
115 	int lut2;
116 	int lut3;
117 };
118 
119 struct dcn_dpp_state {
120 	uint32_t is_enabled;
121 	uint32_t igam_lut_mode;
122 	uint32_t igam_input_format;
123 	uint32_t dgam_lut_mode;
124 	uint32_t rgam_lut_mode;
125 	uint32_t gamut_remap_mode;
126 	uint32_t gamut_remap_c11_c12;
127 	uint32_t gamut_remap_c13_c14;
128 	uint32_t gamut_remap_c21_c22;
129 	uint32_t gamut_remap_c23_c24;
130 	uint32_t gamut_remap_c31_c32;
131 	uint32_t gamut_remap_c33_c34;
132 };
133 
134 struct CM_bias_params {
135 	uint32_t cm_bias_cr_r;
136 	uint32_t cm_bias_y_g;
137 	uint32_t cm_bias_cb_b;
138 	uint32_t cm_bias_format;
139 };
140 
141 struct dpp_funcs {
142 	bool (*dpp_program_gamcor_lut)(
143 		struct dpp *dpp_base, const struct pwl_params *params);
144 
145 	void (*dpp_set_pre_degam)(struct dpp *dpp_base,
146 			enum dc_transfer_func_predefined tr);
147 
148 	void (*dpp_program_cm_dealpha)(struct dpp *dpp_base,
149 		uint32_t enable, uint32_t additive_blending);
150 
151 	void (*dpp_program_cm_bias)(
152 		struct dpp *dpp_base,
153 		struct CM_bias_params *bias_params);
154 
155 	void (*dpp_read_state)(struct dpp *dpp, struct dcn_dpp_state *s);
156 
157 	void (*dpp_reset)(struct dpp *dpp);
158 
159 	void (*dpp_set_scaler)(struct dpp *dpp,
160 			const struct scaler_data *scl_data);
161 
162 	void (*dpp_set_pixel_storage_depth)(
163 			struct dpp *dpp,
164 			enum lb_pixel_depth depth,
165 			const struct bit_depth_reduction_params *bit_depth_params);
166 
167 	bool (*dpp_get_optimal_number_of_taps)(
168 			struct dpp *dpp,
169 			struct scaler_data *scl_data,
170 			const struct scaling_taps *in_taps);
171 
172 	void (*dpp_set_gamut_remap)(
173 			struct dpp *dpp,
174 			const struct dpp_grph_csc_adjustment *adjust);
175 
176 	void (*dpp_set_csc_default)(
177 		struct dpp *dpp,
178 		enum dc_color_space colorspace);
179 
180 	void (*dpp_set_csc_adjustment)(
181 		struct dpp *dpp,
182 		const uint16_t *regval);
183 
184 	void (*dpp_power_on_regamma_lut)(
185 		struct dpp *dpp,
186 		bool power_on);
187 
188 	void (*dpp_program_regamma_lut)(
189 			struct dpp *dpp,
190 			const struct pwl_result_data *rgb,
191 			uint32_t num);
192 
193 	void (*dpp_configure_regamma_lut)(
194 			struct dpp *dpp,
195 			bool is_ram_a);
196 
197 	void (*dpp_program_regamma_lutb_settings)(
198 			struct dpp *dpp,
199 			const struct pwl_params *params);
200 
201 	void (*dpp_program_regamma_luta_settings)(
202 			struct dpp *dpp,
203 			const struct pwl_params *params);
204 
205 	void (*dpp_program_regamma_pwl)(
206 		struct dpp *dpp,
207 		const struct pwl_params *params,
208 		enum opp_regamma mode);
209 
210 	void (*dpp_program_bias_and_scale)(
211 			struct dpp *dpp,
212 			struct dc_bias_and_scale *params);
213 
214 	void (*dpp_set_degamma)(
215 			struct dpp *dpp_base,
216 			enum ipp_degamma_mode mode);
217 
218 	void (*dpp_program_input_lut)(
219 			struct dpp *dpp_base,
220 			const struct dc_gamma *gamma);
221 
222 	void (*dpp_program_degamma_pwl)(struct dpp *dpp_base,
223 									 const struct pwl_params *params);
224 
225 	void (*dpp_setup)(
226 			struct dpp *dpp_base,
227 			enum surface_pixel_format format,
228 			enum expansion_mode mode,
229 			struct dc_csc_transform input_csc_color_matrix,
230 			enum dc_color_space input_color_space,
231 			struct cnv_alpha_2bit_lut *alpha_2bit_lut);
232 
233 	void (*dpp_full_bypass)(struct dpp *dpp_base);
234 
235 	void (*set_cursor_attributes)(
236 			struct dpp *dpp_base,
237 			struct dc_cursor_attributes *cursor_attributes);
238 
239 	void (*set_cursor_position)(
240 			struct dpp *dpp_base,
241 			const struct dc_cursor_position *pos,
242 			const struct dc_cursor_mi_param *param,
243 			uint32_t width,
244 			uint32_t height
245 			);
246 
247 	void (*dpp_set_hdr_multiplier)(
248 			struct dpp *dpp_base,
249 			uint32_t multiplier);
250 
251 	void (*set_optional_cursor_attributes)(
252 			struct dpp *dpp_base,
253 			struct dpp_cursor_attributes *attr);
254 
255 	void (*dpp_dppclk_control)(
256 			struct dpp *dpp_base,
257 			bool dppclk_div,
258 			bool enable);
259 
260 	void (*dpp_deferred_update)(
261 			struct dpp *dpp);
262 	bool (*dpp_program_blnd_lut)(
263 			struct dpp *dpp,
264 			const struct pwl_params *params);
265 	bool (*dpp_program_shaper_lut)(
266 			struct dpp *dpp,
267 			const struct pwl_params *params);
268 	bool (*dpp_program_3dlut)(
269 			struct dpp *dpp,
270 			struct tetrahedral_params *params);
271 	void (*dpp_cnv_set_alpha_keyer)(
272 			struct dpp *dpp_base,
273 			struct cnv_color_keyer_params *color_keyer);
274 };
275 
276 
277 
278 #endif
279