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 #include "cursor_reg_cache.h"
32 
33 union defer_reg_writes {
34 	struct {
35 		bool disable_blnd_lut:1;
36 		bool disable_3dlut:1;
37 		bool disable_shaper:1;
38 		bool disable_gamcor:1;
39 		bool disable_dscl:1;
40 	} bits;
41 	uint32_t raw;
42 };
43 
44 struct dpp {
45 	const struct dpp_funcs *funcs;
46 	struct dc_context *ctx;
47 	/**
48 	 * @inst:
49 	 *
50 	 * inst stands for "instance," and it is an id number that references a
51 	 * specific DPP.
52 	 */
53 	int inst;
54 	struct dpp_caps *caps;
55 	struct pwl_params regamma_params;
56 	struct pwl_params degamma_params;
57 	struct dpp_cursor_attributes cur_attr;
58 	union defer_reg_writes deferred_reg_writes;
59 
60 	struct pwl_params shaper_params;
61 	bool cm_bypass_mode;
62 
63 	struct cursor_position_cache_dpp  pos;
64 	struct cursor_attribute_cache_dpp att;
65 };
66 
67 struct dpp_input_csc_matrix {
68 	enum dc_color_space color_space;
69 	uint16_t regval[12];
70 };
71 
72 static const struct dpp_input_csc_matrix __maybe_unused dpp_input_csc_matrix[] = {
73 	{COLOR_SPACE_SRGB,
74 		{0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
75 	{COLOR_SPACE_SRGB_LIMITED,
76 		{0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
77 	{COLOR_SPACE_YCBCR601,
78 		{0x2cdd, 0x2000, 0, 0xe991, 0xe926, 0x2000, 0xf4fd, 0x10ef,
79 						0, 0x2000, 0x38b4, 0xe3a6} },
80 	{COLOR_SPACE_YCBCR601_LIMITED,
81 		{0x3353, 0x2568, 0, 0xe400, 0xe5dc, 0x2568, 0xf367, 0x1108,
82 						0, 0x2568, 0x40de, 0xdd3a} },
83 	{COLOR_SPACE_YCBCR709,
84 		{0x3265, 0x2000, 0, 0xe6ce, 0xf105, 0x2000, 0xfa01, 0xa7d, 0,
85 						0x2000, 0x3b61, 0xe24f} },
86 
87 	{COLOR_SPACE_YCBCR709_LIMITED,
88 		{0x39a6, 0x2568, 0, 0xe0d6, 0xeedd, 0x2568, 0xf925, 0x9a8, 0,
89 						0x2568, 0x43ee, 0xdbb2} }
90 };
91 
92 struct dpp_grph_csc_adjustment {
93 	struct fixed31_32 temperature_matrix[CSC_TEMPERATURE_MATRIX_SIZE];
94 	enum graphics_gamut_adjust_type gamut_adjust_type;
95 };
96 
97 struct cnv_color_keyer_params {
98 	int color_keyer_en;
99 	int color_keyer_mode;
100 	int color_keyer_alpha_low;
101 	int color_keyer_alpha_high;
102 	int color_keyer_red_low;
103 	int color_keyer_red_high;
104 	int color_keyer_green_low;
105 	int color_keyer_green_high;
106 	int color_keyer_blue_low;
107 	int color_keyer_blue_high;
108 };
109 
110 /* new for dcn2: set the 8bit alpha values based on the 2 bit alpha
111  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT0   default: 0b00000000
112  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT1   default: 0b01010101
113  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT2   default: 0b10101010
114  *ALPHA_2BIT_LUT. ALPHA_2BIT_LUT3   default: 0b11111111
115  */
116 struct cnv_alpha_2bit_lut {
117 	int lut0;
118 	int lut1;
119 	int lut2;
120 	int lut3;
121 };
122 
123 struct dcn_dpp_state {
124 	uint32_t is_enabled;
125 	uint32_t igam_lut_mode;
126 	uint32_t igam_input_format;
127 	uint32_t dgam_lut_mode;
128 	uint32_t rgam_lut_mode;
129 	uint32_t gamut_remap_mode;
130 	uint32_t gamut_remap_c11_c12;
131 	uint32_t gamut_remap_c13_c14;
132 	uint32_t gamut_remap_c21_c22;
133 	uint32_t gamut_remap_c23_c24;
134 	uint32_t gamut_remap_c31_c32;
135 	uint32_t gamut_remap_c33_c34;
136 };
137 
138 struct CM_bias_params {
139 	uint32_t cm_bias_cr_r;
140 	uint32_t cm_bias_y_g;
141 	uint32_t cm_bias_cb_b;
142 	uint32_t cm_bias_format;
143 };
144 
145 struct dpp_funcs {
146 	bool (*dpp_program_gamcor_lut)(
147 		struct dpp *dpp_base, const struct pwl_params *params);
148 
149 	void (*dpp_set_pre_degam)(struct dpp *dpp_base,
150 			enum dc_transfer_func_predefined tr);
151 
152 	void (*dpp_program_cm_dealpha)(struct dpp *dpp_base,
153 		uint32_t enable, uint32_t additive_blending);
154 
155 	void (*dpp_program_cm_bias)(
156 		struct dpp *dpp_base,
157 		struct CM_bias_params *bias_params);
158 
159 	void (*dpp_read_state)(struct dpp *dpp, struct dcn_dpp_state *s);
160 
161 	void (*dpp_reset)(struct dpp *dpp);
162 
163 	void (*dpp_set_scaler)(struct dpp *dpp,
164 			const struct scaler_data *scl_data);
165 
166 	void (*dpp_set_pixel_storage_depth)(
167 			struct dpp *dpp,
168 			enum lb_pixel_depth depth,
169 			const struct bit_depth_reduction_params *bit_depth_params);
170 
171 	bool (*dpp_get_optimal_number_of_taps)(
172 			struct dpp *dpp,
173 			struct scaler_data *scl_data,
174 			const struct scaling_taps *in_taps);
175 
176 	void (*dpp_set_gamut_remap)(
177 			struct dpp *dpp,
178 			const struct dpp_grph_csc_adjustment *adjust);
179 
180 	void (*dpp_set_csc_default)(
181 		struct dpp *dpp,
182 		enum dc_color_space colorspace);
183 
184 	void (*dpp_set_csc_adjustment)(
185 		struct dpp *dpp,
186 		const uint16_t *regval);
187 
188 	void (*dpp_power_on_regamma_lut)(
189 		struct dpp *dpp,
190 		bool power_on);
191 
192 	void (*dpp_program_regamma_lut)(
193 			struct dpp *dpp,
194 			const struct pwl_result_data *rgb,
195 			uint32_t num);
196 
197 	void (*dpp_configure_regamma_lut)(
198 			struct dpp *dpp,
199 			bool is_ram_a);
200 
201 	void (*dpp_program_regamma_lutb_settings)(
202 			struct dpp *dpp,
203 			const struct pwl_params *params);
204 
205 	void (*dpp_program_regamma_luta_settings)(
206 			struct dpp *dpp,
207 			const struct pwl_params *params);
208 
209 	void (*dpp_program_regamma_pwl)(
210 		struct dpp *dpp,
211 		const struct pwl_params *params,
212 		enum opp_regamma mode);
213 
214 	void (*dpp_program_bias_and_scale)(
215 			struct dpp *dpp,
216 			struct dc_bias_and_scale *params);
217 
218 	void (*dpp_set_degamma)(
219 			struct dpp *dpp_base,
220 			enum ipp_degamma_mode mode);
221 
222 	void (*dpp_program_input_lut)(
223 			struct dpp *dpp_base,
224 			const struct dc_gamma *gamma);
225 
226 	void (*dpp_program_degamma_pwl)(struct dpp *dpp_base,
227 									 const struct pwl_params *params);
228 
229 	void (*dpp_setup)(
230 			struct dpp *dpp_base,
231 			enum surface_pixel_format format,
232 			enum expansion_mode mode,
233 			struct dc_csc_transform input_csc_color_matrix,
234 			enum dc_color_space input_color_space,
235 			struct cnv_alpha_2bit_lut *alpha_2bit_lut);
236 
237 	void (*dpp_full_bypass)(struct dpp *dpp_base);
238 
239 	void (*set_cursor_attributes)(
240 			struct dpp *dpp_base,
241 			struct dc_cursor_attributes *cursor_attributes);
242 
243 	void (*set_cursor_position)(
244 			struct dpp *dpp_base,
245 			const struct dc_cursor_position *pos,
246 			const struct dc_cursor_mi_param *param,
247 			uint32_t width,
248 			uint32_t height
249 			);
250 
251 	void (*dpp_set_hdr_multiplier)(
252 			struct dpp *dpp_base,
253 			uint32_t multiplier);
254 
255 	void (*set_optional_cursor_attributes)(
256 			struct dpp *dpp_base,
257 			struct dpp_cursor_attributes *attr);
258 
259 	void (*dpp_dppclk_control)(
260 			struct dpp *dpp_base,
261 			bool dppclk_div,
262 			bool enable);
263 
264 	void (*dpp_deferred_update)(
265 			struct dpp *dpp);
266 	bool (*dpp_program_blnd_lut)(
267 			struct dpp *dpp,
268 			const struct pwl_params *params);
269 	bool (*dpp_program_shaper_lut)(
270 			struct dpp *dpp,
271 			const struct pwl_params *params);
272 	bool (*dpp_program_3dlut)(
273 			struct dpp *dpp,
274 			struct tetrahedral_params *params);
275 	void (*dpp_cnv_set_alpha_keyer)(
276 			struct dpp *dpp_base,
277 			struct cnv_color_keyer_params *color_keyer);
278 };
279 
280 
281 
282 #endif
283