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1 /*
2  * Copyright 2016 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 #include "dm_services.h"
27 
28 #include "core_types.h"
29 
30 #include "reg_helper.h"
31 #include "dcn10_dpp.h"
32 #include "basics/conversion.h"
33 #include "dcn10_cm_common.h"
34 
35 #define NUM_PHASES    64
36 #define HORZ_MAX_TAPS 8
37 #define VERT_MAX_TAPS 8
38 
39 #define BLACK_OFFSET_RGB_Y 0x0
40 #define BLACK_OFFSET_CBCR  0x8000
41 
42 #define REG(reg)\
43 	dpp->tf_regs->reg
44 
45 #define CTX \
46 	dpp->base.ctx
47 
48 #undef FN
49 #define FN(reg_name, field_name) \
50 	dpp->tf_shift->field_name, dpp->tf_mask->field_name
51 
52 #define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
53 
54 
55 enum dcn10_coef_filter_type_sel {
56 	SCL_COEF_LUMA_VERT_FILTER = 0,
57 	SCL_COEF_LUMA_HORZ_FILTER = 1,
58 	SCL_COEF_CHROMA_VERT_FILTER = 2,
59 	SCL_COEF_CHROMA_HORZ_FILTER = 3,
60 	SCL_COEF_ALPHA_VERT_FILTER = 4,
61 	SCL_COEF_ALPHA_HORZ_FILTER = 5
62 };
63 
64 enum dscl_autocal_mode {
65 	AUTOCAL_MODE_OFF = 0,
66 
67 	/* Autocal calculate the scaling ratio and initial phase and the
68 	 * DSCL_MODE_SEL must be set to 1
69 	 */
70 	AUTOCAL_MODE_AUTOSCALE = 1,
71 	/* Autocal perform auto centering without replication and the
72 	 * DSCL_MODE_SEL must be set to 0
73 	 */
74 	AUTOCAL_MODE_AUTOCENTER = 2,
75 	/* Autocal perform auto centering and auto replication and the
76 	 * DSCL_MODE_SEL must be set to 0
77 	 */
78 	AUTOCAL_MODE_AUTOREPLICATE = 3
79 };
80 
81 enum dscl_mode_sel {
82 	DSCL_MODE_SCALING_444_BYPASS = 0,
83 	DSCL_MODE_SCALING_444_RGB_ENABLE = 1,
84 	DSCL_MODE_SCALING_444_YCBCR_ENABLE = 2,
85 	DSCL_MODE_SCALING_420_YCBCR_ENABLE = 3,
86 	DSCL_MODE_SCALING_420_LUMA_BYPASS = 4,
87 	DSCL_MODE_SCALING_420_CHROMA_BYPASS = 5,
88 	DSCL_MODE_DSCL_BYPASS = 6
89 };
90 
program_gamut_remap(struct dcn10_dpp * dpp,const uint16_t * regval,enum gamut_remap_select select)91 static void program_gamut_remap(
92 		struct dcn10_dpp *dpp,
93 		const uint16_t *regval,
94 		enum gamut_remap_select select)
95 {
96 	uint16_t selection = 0;
97 	struct color_matrices_reg gam_regs;
98 
99 	if (regval == NULL || select == GAMUT_REMAP_BYPASS) {
100 		REG_SET(CM_GAMUT_REMAP_CONTROL, 0,
101 				CM_GAMUT_REMAP_MODE, 0);
102 		return;
103 	}
104 	switch (select) {
105 	case GAMUT_REMAP_COEFF:
106 		selection = 1;
107 		break;
108 	case GAMUT_REMAP_COMA_COEFF:
109 		selection = 2;
110 		break;
111 	case GAMUT_REMAP_COMB_COEFF:
112 		selection = 3;
113 		break;
114 	default:
115 		break;
116 	}
117 
118 	gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_GAMUT_REMAP_C11;
119 	gam_regs.masks.csc_c11  = dpp->tf_mask->CM_GAMUT_REMAP_C11;
120 	gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_GAMUT_REMAP_C12;
121 	gam_regs.masks.csc_c12 = dpp->tf_mask->CM_GAMUT_REMAP_C12;
122 
123 
124 	if (select == GAMUT_REMAP_COEFF) {
125 		gam_regs.csc_c11_c12 = REG(CM_GAMUT_REMAP_C11_C12);
126 		gam_regs.csc_c33_c34 = REG(CM_GAMUT_REMAP_C33_C34);
127 
128 		cm_helper_program_color_matrices(
129 				dpp->base.ctx,
130 				regval,
131 				&gam_regs);
132 
133 	} else  if (select == GAMUT_REMAP_COMA_COEFF) {
134 
135 		gam_regs.csc_c11_c12 = REG(CM_COMA_C11_C12);
136 		gam_regs.csc_c33_c34 = REG(CM_COMA_C33_C34);
137 
138 		cm_helper_program_color_matrices(
139 				dpp->base.ctx,
140 				regval,
141 				&gam_regs);
142 
143 	} else {
144 
145 		gam_regs.csc_c11_c12 = REG(CM_COMB_C11_C12);
146 		gam_regs.csc_c33_c34 = REG(CM_COMB_C33_C34);
147 
148 		cm_helper_program_color_matrices(
149 				dpp->base.ctx,
150 				regval,
151 				&gam_regs);
152 	}
153 
154 	REG_SET(
155 			CM_GAMUT_REMAP_CONTROL, 0,
156 			CM_GAMUT_REMAP_MODE, selection);
157 
158 }
159 
dpp1_cm_set_gamut_remap(struct dpp * dpp_base,const struct dpp_grph_csc_adjustment * adjust)160 void dpp1_cm_set_gamut_remap(
161 	struct dpp *dpp_base,
162 	const struct dpp_grph_csc_adjustment *adjust)
163 {
164 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
165 	int i = 0;
166 
167 	if (adjust->gamut_adjust_type != GRAPHICS_GAMUT_ADJUST_TYPE_SW)
168 		/* Bypass if type is bypass or hw */
169 		program_gamut_remap(dpp, NULL, GAMUT_REMAP_BYPASS);
170 	else {
171 		struct fixed31_32 arr_matrix[12];
172 		uint16_t arr_reg_val[12];
173 
174 		for (i = 0; i < 12; i++)
175 			arr_matrix[i] = adjust->temperature_matrix[i];
176 
177 		convert_float_matrix(
178 			arr_reg_val, arr_matrix, 12);
179 
180 		program_gamut_remap(dpp, arr_reg_val, GAMUT_REMAP_COEFF);
181 	}
182 }
183 
dpp1_cm_program_color_matrix(struct dcn10_dpp * dpp,const uint16_t * regval)184 static void dpp1_cm_program_color_matrix(
185 		struct dcn10_dpp *dpp,
186 		const uint16_t *regval)
187 {
188 	uint32_t ocsc_mode;
189 	uint32_t cur_mode;
190 	struct color_matrices_reg gam_regs;
191 
192 	if (regval == NULL) {
193 		BREAK_TO_DEBUGGER();
194 		return;
195 	}
196 
197 	/* determine which CSC matrix (ocsc or comb) we are using
198 	 * currently.  select the alternate set to double buffer
199 	 * the CSC update so CSC is updated on frame boundary
200 	 */
201 	REG_SET(CM_TEST_DEBUG_INDEX, 0,
202 			CM_TEST_DEBUG_INDEX, 9);
203 
204 	REG_GET(CM_TEST_DEBUG_DATA,
205 			CM_TEST_DEBUG_DATA_ID9_OCSC_MODE, &cur_mode);
206 
207 	if (cur_mode != 4)
208 		ocsc_mode = 4;
209 	else
210 		ocsc_mode = 5;
211 
212 
213 	gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_OCSC_C11;
214 	gam_regs.masks.csc_c11  = dpp->tf_mask->CM_OCSC_C11;
215 	gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_OCSC_C12;
216 	gam_regs.masks.csc_c12 = dpp->tf_mask->CM_OCSC_C12;
217 
218 	if (ocsc_mode == 4) {
219 
220 		gam_regs.csc_c11_c12 = REG(CM_OCSC_C11_C12);
221 		gam_regs.csc_c33_c34 = REG(CM_OCSC_C33_C34);
222 
223 	} else {
224 
225 		gam_regs.csc_c11_c12 = REG(CM_COMB_C11_C12);
226 		gam_regs.csc_c33_c34 = REG(CM_COMB_C33_C34);
227 
228 	}
229 
230 	cm_helper_program_color_matrices(
231 			dpp->base.ctx,
232 			regval,
233 			&gam_regs);
234 
235 	REG_SET(CM_OCSC_CONTROL, 0, CM_OCSC_MODE, ocsc_mode);
236 
237 }
238 
dpp1_cm_set_output_csc_default(struct dpp * dpp_base,enum dc_color_space colorspace)239 void dpp1_cm_set_output_csc_default(
240 		struct dpp *dpp_base,
241 		enum dc_color_space colorspace)
242 {
243 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
244 	const uint16_t *regval = NULL;
245 	int arr_size;
246 
247 	regval = find_color_matrix(colorspace, &arr_size);
248 	if (regval == NULL) {
249 		BREAK_TO_DEBUGGER();
250 		return;
251 	}
252 
253 	dpp1_cm_program_color_matrix(dpp, regval);
254 }
255 
dpp1_cm_get_reg_field(struct dcn10_dpp * dpp,struct xfer_func_reg * reg)256 static void dpp1_cm_get_reg_field(
257 		struct dcn10_dpp *dpp,
258 		struct xfer_func_reg *reg)
259 {
260 	reg->shifts.exp_region0_lut_offset = dpp->tf_shift->CM_RGAM_RAMA_EXP_REGION0_LUT_OFFSET;
261 	reg->masks.exp_region0_lut_offset = dpp->tf_mask->CM_RGAM_RAMA_EXP_REGION0_LUT_OFFSET;
262 	reg->shifts.exp_region0_num_segments = dpp->tf_shift->CM_RGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
263 	reg->masks.exp_region0_num_segments = dpp->tf_mask->CM_RGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
264 	reg->shifts.exp_region1_lut_offset = dpp->tf_shift->CM_RGAM_RAMA_EXP_REGION1_LUT_OFFSET;
265 	reg->masks.exp_region1_lut_offset = dpp->tf_mask->CM_RGAM_RAMA_EXP_REGION1_LUT_OFFSET;
266 	reg->shifts.exp_region1_num_segments = dpp->tf_shift->CM_RGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
267 	reg->masks.exp_region1_num_segments = dpp->tf_mask->CM_RGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
268 
269 	reg->shifts.field_region_end = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_END_B;
270 	reg->masks.field_region_end = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_END_B;
271 	reg->shifts.field_region_end_slope = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_END_SLOPE_B;
272 	reg->masks.field_region_end_slope = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_END_SLOPE_B;
273 	reg->shifts.field_region_end_base = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_END_BASE_B;
274 	reg->masks.field_region_end_base = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_END_BASE_B;
275 	reg->shifts.field_region_linear_slope = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B;
276 	reg->masks.field_region_linear_slope = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B;
277 	reg->shifts.exp_region_start = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_START_B;
278 	reg->masks.exp_region_start = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_START_B;
279 	reg->shifts.exp_resion_start_segment = dpp->tf_shift->CM_RGAM_RAMB_EXP_REGION_START_SEGMENT_B;
280 	reg->masks.exp_resion_start_segment = dpp->tf_mask->CM_RGAM_RAMB_EXP_REGION_START_SEGMENT_B;
281 }
282 
dpp1_cm_get_degamma_reg_field(struct dcn10_dpp * dpp,struct xfer_func_reg * reg)283 static void dpp1_cm_get_degamma_reg_field(
284 		struct dcn10_dpp *dpp,
285 		struct xfer_func_reg *reg)
286 {
287 	reg->shifts.exp_region0_lut_offset = dpp->tf_shift->CM_DGAM_RAMA_EXP_REGION0_LUT_OFFSET;
288 	reg->masks.exp_region0_lut_offset = dpp->tf_mask->CM_DGAM_RAMA_EXP_REGION0_LUT_OFFSET;
289 	reg->shifts.exp_region0_num_segments = dpp->tf_shift->CM_DGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
290 	reg->masks.exp_region0_num_segments = dpp->tf_mask->CM_DGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
291 	reg->shifts.exp_region1_lut_offset = dpp->tf_shift->CM_DGAM_RAMA_EXP_REGION1_LUT_OFFSET;
292 	reg->masks.exp_region1_lut_offset = dpp->tf_mask->CM_DGAM_RAMA_EXP_REGION1_LUT_OFFSET;
293 	reg->shifts.exp_region1_num_segments = dpp->tf_shift->CM_DGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
294 	reg->masks.exp_region1_num_segments = dpp->tf_mask->CM_DGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
295 
296 	reg->shifts.field_region_end = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_END_B;
297 	reg->masks.field_region_end = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_END_B;
298 	reg->shifts.field_region_end_slope = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_END_SLOPE_B;
299 	reg->masks.field_region_end_slope = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_END_SLOPE_B;
300 	reg->shifts.field_region_end_base = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_END_BASE_B;
301 	reg->masks.field_region_end_base = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_END_BASE_B;
302 	reg->shifts.field_region_linear_slope = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B;
303 	reg->masks.field_region_linear_slope = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B;
304 	reg->shifts.exp_region_start = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_START_B;
305 	reg->masks.exp_region_start = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_START_B;
306 	reg->shifts.exp_resion_start_segment = dpp->tf_shift->CM_DGAM_RAMB_EXP_REGION_START_SEGMENT_B;
307 	reg->masks.exp_resion_start_segment = dpp->tf_mask->CM_DGAM_RAMB_EXP_REGION_START_SEGMENT_B;
308 }
dpp1_cm_set_output_csc_adjustment(struct dpp * dpp_base,const uint16_t * regval)309 void dpp1_cm_set_output_csc_adjustment(
310 		struct dpp *dpp_base,
311 		const uint16_t *regval)
312 {
313 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
314 
315 	dpp1_cm_program_color_matrix(dpp, regval);
316 }
317 
dpp1_cm_power_on_regamma_lut(struct dpp * dpp_base,bool power_on)318 void dpp1_cm_power_on_regamma_lut(struct dpp *dpp_base,
319 				  bool power_on)
320 {
321 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
322 
323 	REG_SET(CM_MEM_PWR_CTRL, 0,
324 		RGAM_MEM_PWR_FORCE, power_on == true ? 0:1);
325 
326 }
327 
dpp1_cm_program_regamma_lut(struct dpp * dpp_base,const struct pwl_result_data * rgb,uint32_t num)328 void dpp1_cm_program_regamma_lut(struct dpp *dpp_base,
329 				 const struct pwl_result_data *rgb,
330 				 uint32_t num)
331 {
332 	uint32_t i;
333 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
334 
335 	REG_SEQ_START();
336 
337 	for (i = 0 ; i < num; i++) {
338 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].red_reg);
339 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].green_reg);
340 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].blue_reg);
341 
342 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_red_reg);
343 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_green_reg);
344 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_blue_reg);
345 
346 	}
347 
348 }
349 
dpp1_cm_configure_regamma_lut(struct dpp * dpp_base,bool is_ram_a)350 void dpp1_cm_configure_regamma_lut(
351 		struct dpp *dpp_base,
352 		bool is_ram_a)
353 {
354 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
355 
356 	REG_UPDATE(CM_RGAM_LUT_WRITE_EN_MASK,
357 			CM_RGAM_LUT_WRITE_EN_MASK, 7);
358 	REG_UPDATE(CM_RGAM_LUT_WRITE_EN_MASK,
359 			CM_RGAM_LUT_WRITE_SEL, is_ram_a == true ? 0:1);
360 	REG_SET(CM_RGAM_LUT_INDEX, 0, CM_RGAM_LUT_INDEX, 0);
361 }
362 
363 /*program re gamma RAM A*/
dpp1_cm_program_regamma_luta_settings(struct dpp * dpp_base,const struct pwl_params * params)364 void dpp1_cm_program_regamma_luta_settings(
365 		struct dpp *dpp_base,
366 		const struct pwl_params *params)
367 {
368 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
369 	struct xfer_func_reg gam_regs;
370 
371 	dpp1_cm_get_reg_field(dpp, &gam_regs);
372 
373 	gam_regs.start_cntl_b = REG(CM_RGAM_RAMA_START_CNTL_B);
374 	gam_regs.start_cntl_g = REG(CM_RGAM_RAMA_START_CNTL_G);
375 	gam_regs.start_cntl_r = REG(CM_RGAM_RAMA_START_CNTL_R);
376 	gam_regs.start_slope_cntl_b = REG(CM_RGAM_RAMA_SLOPE_CNTL_B);
377 	gam_regs.start_slope_cntl_g = REG(CM_RGAM_RAMA_SLOPE_CNTL_G);
378 	gam_regs.start_slope_cntl_r = REG(CM_RGAM_RAMA_SLOPE_CNTL_R);
379 	gam_regs.start_end_cntl1_b = REG(CM_RGAM_RAMA_END_CNTL1_B);
380 	gam_regs.start_end_cntl2_b = REG(CM_RGAM_RAMA_END_CNTL2_B);
381 	gam_regs.start_end_cntl1_g = REG(CM_RGAM_RAMA_END_CNTL1_G);
382 	gam_regs.start_end_cntl2_g = REG(CM_RGAM_RAMA_END_CNTL2_G);
383 	gam_regs.start_end_cntl1_r = REG(CM_RGAM_RAMA_END_CNTL1_R);
384 	gam_regs.start_end_cntl2_r = REG(CM_RGAM_RAMA_END_CNTL2_R);
385 	gam_regs.region_start = REG(CM_RGAM_RAMA_REGION_0_1);
386 	gam_regs.region_end = REG(CM_RGAM_RAMA_REGION_32_33);
387 
388 	cm_helper_program_xfer_func(dpp->base.ctx, params, &gam_regs);
389 
390 }
391 
392 /*program re gamma RAM B*/
dpp1_cm_program_regamma_lutb_settings(struct dpp * dpp_base,const struct pwl_params * params)393 void dpp1_cm_program_regamma_lutb_settings(
394 		struct dpp *dpp_base,
395 		const struct pwl_params *params)
396 {
397 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
398 	struct xfer_func_reg gam_regs;
399 
400 	dpp1_cm_get_reg_field(dpp, &gam_regs);
401 
402 	gam_regs.start_cntl_b = REG(CM_RGAM_RAMB_START_CNTL_B);
403 	gam_regs.start_cntl_g = REG(CM_RGAM_RAMB_START_CNTL_G);
404 	gam_regs.start_cntl_r = REG(CM_RGAM_RAMB_START_CNTL_R);
405 	gam_regs.start_slope_cntl_b = REG(CM_RGAM_RAMB_SLOPE_CNTL_B);
406 	gam_regs.start_slope_cntl_g = REG(CM_RGAM_RAMB_SLOPE_CNTL_G);
407 	gam_regs.start_slope_cntl_r = REG(CM_RGAM_RAMB_SLOPE_CNTL_R);
408 	gam_regs.start_end_cntl1_b = REG(CM_RGAM_RAMB_END_CNTL1_B);
409 	gam_regs.start_end_cntl2_b = REG(CM_RGAM_RAMB_END_CNTL2_B);
410 	gam_regs.start_end_cntl1_g = REG(CM_RGAM_RAMB_END_CNTL1_G);
411 	gam_regs.start_end_cntl2_g = REG(CM_RGAM_RAMB_END_CNTL2_G);
412 	gam_regs.start_end_cntl1_r = REG(CM_RGAM_RAMB_END_CNTL1_R);
413 	gam_regs.start_end_cntl2_r = REG(CM_RGAM_RAMB_END_CNTL2_R);
414 	gam_regs.region_start = REG(CM_RGAM_RAMB_REGION_0_1);
415 	gam_regs.region_end = REG(CM_RGAM_RAMB_REGION_32_33);
416 
417 	cm_helper_program_xfer_func(dpp->base.ctx, params, &gam_regs);
418 }
419 
dpp1_program_input_csc(struct dpp * dpp_base,enum dc_color_space color_space,enum dcn10_input_csc_select input_select,const struct out_csc_color_matrix * tbl_entry)420 void dpp1_program_input_csc(
421 		struct dpp *dpp_base,
422 		enum dc_color_space color_space,
423 		enum dcn10_input_csc_select input_select,
424 		const struct out_csc_color_matrix *tbl_entry)
425 {
426 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
427 	int i;
428 	int arr_size = sizeof(dpp_input_csc_matrix)/sizeof(struct dpp_input_csc_matrix);
429 	const uint16_t *regval = NULL;
430 	uint32_t cur_select = 0;
431 	enum dcn10_input_csc_select select;
432 	struct color_matrices_reg gam_regs;
433 
434 	if (input_select == INPUT_CSC_SELECT_BYPASS) {
435 		REG_SET(CM_ICSC_CONTROL, 0, CM_ICSC_MODE, 0);
436 		return;
437 	}
438 
439 	if (tbl_entry == NULL) {
440 		for (i = 0; i < arr_size; i++)
441 			if (dpp_input_csc_matrix[i].color_space == color_space) {
442 				regval = dpp_input_csc_matrix[i].regval;
443 				break;
444 			}
445 
446 		if (regval == NULL) {
447 			BREAK_TO_DEBUGGER();
448 			return;
449 		}
450 	} else {
451 		regval = tbl_entry->regval;
452 	}
453 
454 	/* determine which CSC matrix (icsc or coma) we are using
455 	 * currently.  select the alternate set to double buffer
456 	 * the CSC update so CSC is updated on frame boundary
457 	 */
458 	REG_SET(CM_TEST_DEBUG_INDEX, 0,
459 			CM_TEST_DEBUG_INDEX, 9);
460 
461 	REG_GET(CM_TEST_DEBUG_DATA,
462 			CM_TEST_DEBUG_DATA_ID9_ICSC_MODE, &cur_select);
463 
464 	if (cur_select != INPUT_CSC_SELECT_ICSC)
465 		select = INPUT_CSC_SELECT_ICSC;
466 	else
467 		select = INPUT_CSC_SELECT_COMA;
468 
469 	gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_ICSC_C11;
470 	gam_regs.masks.csc_c11  = dpp->tf_mask->CM_ICSC_C11;
471 	gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_ICSC_C12;
472 	gam_regs.masks.csc_c12 = dpp->tf_mask->CM_ICSC_C12;
473 
474 	if (select == INPUT_CSC_SELECT_ICSC) {
475 
476 		gam_regs.csc_c11_c12 = REG(CM_ICSC_C11_C12);
477 		gam_regs.csc_c33_c34 = REG(CM_ICSC_C33_C34);
478 
479 	} else {
480 
481 		gam_regs.csc_c11_c12 = REG(CM_COMA_C11_C12);
482 		gam_regs.csc_c33_c34 = REG(CM_COMA_C33_C34);
483 
484 	}
485 
486 	cm_helper_program_color_matrices(
487 			dpp->base.ctx,
488 			regval,
489 			&gam_regs);
490 
491 	REG_SET(CM_ICSC_CONTROL, 0,
492 				CM_ICSC_MODE, select);
493 }
494 
495 //keep here for now, decide multi dce support later
dpp1_program_bias_and_scale(struct dpp * dpp_base,struct dc_bias_and_scale * params)496 void dpp1_program_bias_and_scale(
497 	struct dpp *dpp_base,
498 	struct dc_bias_and_scale *params)
499 {
500 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
501 
502 	REG_SET_2(CM_BNS_VALUES_R, 0,
503 		CM_BNS_SCALE_R, params->scale_red,
504 		CM_BNS_BIAS_R, params->bias_red);
505 
506 	REG_SET_2(CM_BNS_VALUES_G, 0,
507 		CM_BNS_SCALE_G, params->scale_green,
508 		CM_BNS_BIAS_G, params->bias_green);
509 
510 	REG_SET_2(CM_BNS_VALUES_B, 0,
511 		CM_BNS_SCALE_B, params->scale_blue,
512 		CM_BNS_BIAS_B, params->bias_blue);
513 
514 }
515 
516 /*program de gamma RAM B*/
dpp1_program_degamma_lutb_settings(struct dpp * dpp_base,const struct pwl_params * params)517 void dpp1_program_degamma_lutb_settings(
518 		struct dpp *dpp_base,
519 		const struct pwl_params *params)
520 {
521 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
522 	struct xfer_func_reg gam_regs;
523 
524 	dpp1_cm_get_degamma_reg_field(dpp, &gam_regs);
525 
526 	gam_regs.start_cntl_b = REG(CM_DGAM_RAMB_START_CNTL_B);
527 	gam_regs.start_cntl_g = REG(CM_DGAM_RAMB_START_CNTL_G);
528 	gam_regs.start_cntl_r = REG(CM_DGAM_RAMB_START_CNTL_R);
529 	gam_regs.start_slope_cntl_b = REG(CM_DGAM_RAMB_SLOPE_CNTL_B);
530 	gam_regs.start_slope_cntl_g = REG(CM_DGAM_RAMB_SLOPE_CNTL_G);
531 	gam_regs.start_slope_cntl_r = REG(CM_DGAM_RAMB_SLOPE_CNTL_R);
532 	gam_regs.start_end_cntl1_b = REG(CM_DGAM_RAMB_END_CNTL1_B);
533 	gam_regs.start_end_cntl2_b = REG(CM_DGAM_RAMB_END_CNTL2_B);
534 	gam_regs.start_end_cntl1_g = REG(CM_DGAM_RAMB_END_CNTL1_G);
535 	gam_regs.start_end_cntl2_g = REG(CM_DGAM_RAMB_END_CNTL2_G);
536 	gam_regs.start_end_cntl1_r = REG(CM_DGAM_RAMB_END_CNTL1_R);
537 	gam_regs.start_end_cntl2_r = REG(CM_DGAM_RAMB_END_CNTL2_R);
538 	gam_regs.region_start = REG(CM_DGAM_RAMB_REGION_0_1);
539 	gam_regs.region_end = REG(CM_DGAM_RAMB_REGION_14_15);
540 
541 
542 	cm_helper_program_xfer_func(dpp->base.ctx, params, &gam_regs);
543 }
544 
545 /*program de gamma RAM A*/
dpp1_program_degamma_luta_settings(struct dpp * dpp_base,const struct pwl_params * params)546 void dpp1_program_degamma_luta_settings(
547 		struct dpp *dpp_base,
548 		const struct pwl_params *params)
549 {
550 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
551 	struct xfer_func_reg gam_regs;
552 
553 	dpp1_cm_get_degamma_reg_field(dpp, &gam_regs);
554 
555 	gam_regs.start_cntl_b = REG(CM_DGAM_RAMA_START_CNTL_B);
556 	gam_regs.start_cntl_g = REG(CM_DGAM_RAMA_START_CNTL_G);
557 	gam_regs.start_cntl_r = REG(CM_DGAM_RAMA_START_CNTL_R);
558 	gam_regs.start_slope_cntl_b = REG(CM_DGAM_RAMA_SLOPE_CNTL_B);
559 	gam_regs.start_slope_cntl_g = REG(CM_DGAM_RAMA_SLOPE_CNTL_G);
560 	gam_regs.start_slope_cntl_r = REG(CM_DGAM_RAMA_SLOPE_CNTL_R);
561 	gam_regs.start_end_cntl1_b = REG(CM_DGAM_RAMA_END_CNTL1_B);
562 	gam_regs.start_end_cntl2_b = REG(CM_DGAM_RAMA_END_CNTL2_B);
563 	gam_regs.start_end_cntl1_g = REG(CM_DGAM_RAMA_END_CNTL1_G);
564 	gam_regs.start_end_cntl2_g = REG(CM_DGAM_RAMA_END_CNTL2_G);
565 	gam_regs.start_end_cntl1_r = REG(CM_DGAM_RAMA_END_CNTL1_R);
566 	gam_regs.start_end_cntl2_r = REG(CM_DGAM_RAMA_END_CNTL2_R);
567 	gam_regs.region_start = REG(CM_DGAM_RAMA_REGION_0_1);
568 	gam_regs.region_end = REG(CM_DGAM_RAMA_REGION_14_15);
569 
570 	cm_helper_program_xfer_func(dpp->base.ctx, params, &gam_regs);
571 }
572 
dpp1_power_on_degamma_lut(struct dpp * dpp_base,bool power_on)573 void dpp1_power_on_degamma_lut(
574 		struct dpp *dpp_base,
575 	bool power_on)
576 {
577 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
578 
579 	REG_SET(CM_MEM_PWR_CTRL, 0,
580 			SHARED_MEM_PWR_DIS, power_on == true ? 0:1);
581 
582 }
583 
dpp1_enable_cm_block(struct dpp * dpp_base)584 static void dpp1_enable_cm_block(
585 		struct dpp *dpp_base)
586 {
587 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
588 
589 	REG_UPDATE(CM_CMOUT_CONTROL, CM_CMOUT_ROUND_TRUNC_MODE, 8);
590 	REG_UPDATE(CM_CONTROL, CM_BYPASS_EN, 0);
591 }
592 
dpp1_set_degamma(struct dpp * dpp_base,enum ipp_degamma_mode mode)593 void dpp1_set_degamma(
594 		struct dpp *dpp_base,
595 		enum ipp_degamma_mode mode)
596 {
597 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
598 	dpp1_enable_cm_block(dpp_base);
599 
600 	switch (mode) {
601 	case IPP_DEGAMMA_MODE_BYPASS:
602 		/* Setting de gamma bypass for now */
603 		REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 0);
604 		break;
605 	case IPP_DEGAMMA_MODE_HW_sRGB:
606 		REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 1);
607 		break;
608 	case IPP_DEGAMMA_MODE_HW_xvYCC:
609 		REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 2);
610 			break;
611 	case IPP_DEGAMMA_MODE_USER_PWL:
612 		REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 3);
613 		break;
614 	default:
615 		BREAK_TO_DEBUGGER();
616 		break;
617 	}
618 
619 	REG_SEQ_SUBMIT();
620 	REG_SEQ_WAIT_DONE();
621 }
622 
dpp1_degamma_ram_select(struct dpp * dpp_base,bool use_ram_a)623 void dpp1_degamma_ram_select(
624 		struct dpp *dpp_base,
625 							bool use_ram_a)
626 {
627 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
628 
629 	if (use_ram_a)
630 		REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 3);
631 	else
632 		REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 4);
633 
634 }
635 
dpp1_degamma_ram_inuse(struct dpp * dpp_base,bool * ram_a_inuse)636 static bool dpp1_degamma_ram_inuse(
637 		struct dpp *dpp_base,
638 							bool *ram_a_inuse)
639 {
640 	bool ret = false;
641 	uint32_t status_reg = 0;
642 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
643 
644 	REG_GET(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_DGAM_CONFIG_STATUS,
645 			&status_reg);
646 
647 	if (status_reg == 9) {
648 		*ram_a_inuse = true;
649 		ret = true;
650 	} else if (status_reg == 10) {
651 		*ram_a_inuse = false;
652 		ret = true;
653 	}
654 	return ret;
655 }
656 
dpp1_program_degamma_lut(struct dpp * dpp_base,const struct pwl_result_data * rgb,uint32_t num,bool is_ram_a)657 void dpp1_program_degamma_lut(
658 		struct dpp *dpp_base,
659 		const struct pwl_result_data *rgb,
660 		uint32_t num,
661 		bool is_ram_a)
662 {
663 	uint32_t i;
664 
665 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
666 	REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_HOST_EN, 0);
667 	REG_UPDATE(CM_DGAM_LUT_WRITE_EN_MASK,
668 				   CM_DGAM_LUT_WRITE_EN_MASK, 7);
669 	REG_UPDATE(CM_DGAM_LUT_WRITE_EN_MASK, CM_DGAM_LUT_WRITE_SEL,
670 					is_ram_a == true ? 0:1);
671 
672 	REG_SET(CM_DGAM_LUT_INDEX, 0, CM_DGAM_LUT_INDEX, 0);
673 	for (i = 0 ; i < num; i++) {
674 		REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].red_reg);
675 		REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].green_reg);
676 		REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].blue_reg);
677 
678 		REG_SET(CM_DGAM_LUT_DATA, 0,
679 				CM_DGAM_LUT_DATA, rgb[i].delta_red_reg);
680 		REG_SET(CM_DGAM_LUT_DATA, 0,
681 				CM_DGAM_LUT_DATA, rgb[i].delta_green_reg);
682 		REG_SET(CM_DGAM_LUT_DATA, 0,
683 				CM_DGAM_LUT_DATA, rgb[i].delta_blue_reg);
684 	}
685 }
686 
dpp1_set_degamma_pwl(struct dpp * dpp_base,const struct pwl_params * params)687 void dpp1_set_degamma_pwl(struct dpp *dpp_base,
688 								 const struct pwl_params *params)
689 {
690 	bool is_ram_a = true;
691 
692 	dpp1_power_on_degamma_lut(dpp_base, true);
693 	dpp1_enable_cm_block(dpp_base);
694 	dpp1_degamma_ram_inuse(dpp_base, &is_ram_a);
695 	if (is_ram_a == true)
696 		dpp1_program_degamma_lutb_settings(dpp_base, params);
697 	else
698 		dpp1_program_degamma_luta_settings(dpp_base, params);
699 
700 	dpp1_program_degamma_lut(dpp_base, params->rgb_resulted,
701 							params->hw_points_num, !is_ram_a);
702 	dpp1_degamma_ram_select(dpp_base, !is_ram_a);
703 }
704 
dpp1_full_bypass(struct dpp * dpp_base)705 void dpp1_full_bypass(struct dpp *dpp_base)
706 {
707 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
708 
709 	/* Input pixel format: ARGB8888 */
710 	REG_SET(CNVC_SURFACE_PIXEL_FORMAT, 0,
711 			CNVC_SURFACE_PIXEL_FORMAT, 0x8);
712 
713 	/* Zero expansion */
714 	REG_SET_3(FORMAT_CONTROL, 0,
715 			CNVC_BYPASS, 0,
716 			FORMAT_CONTROL__ALPHA_EN, 0,
717 			FORMAT_EXPANSION_MODE, 0);
718 
719 	/* COLOR_KEYER_CONTROL.COLOR_KEYER_EN = 0 this should be default */
720 	if (dpp->tf_mask->CM_BYPASS_EN)
721 		REG_SET(CM_CONTROL, 0, CM_BYPASS_EN, 1);
722 	else
723 		REG_SET(CM_CONTROL, 0, CM_BYPASS, 1);
724 
725 	/* Setting degamma bypass for now */
726 	REG_SET(CM_DGAM_CONTROL, 0, CM_DGAM_LUT_MODE, 0);
727 }
728 
dpp1_ingamma_ram_inuse(struct dpp * dpp_base,bool * ram_a_inuse)729 static bool dpp1_ingamma_ram_inuse(struct dpp *dpp_base,
730 							bool *ram_a_inuse)
731 {
732 	bool in_use = false;
733 	uint32_t status_reg = 0;
734 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
735 
736 	REG_GET(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_DGAM_CONFIG_STATUS,
737 				&status_reg);
738 
739 	// 1 => IGAM_RAMA, 3 => IGAM_RAMA & DGAM_ROMA, 4 => IGAM_RAMA & DGAM_ROMB
740 	if (status_reg == 1 || status_reg == 3 || status_reg == 4) {
741 		*ram_a_inuse = true;
742 		in_use = true;
743 	// 2 => IGAM_RAMB, 5 => IGAM_RAMB & DGAM_ROMA, 6 => IGAM_RAMB & DGAM_ROMB
744 	} else if (status_reg == 2 || status_reg == 5 || status_reg == 6) {
745 		*ram_a_inuse = false;
746 		in_use = true;
747 	}
748 	return in_use;
749 }
750 
751 /*
752  * Input gamma LUT currently supports 256 values only. This means input color
753  * can have a maximum of 8 bits per channel (= 256 possible values) in order to
754  * have a one-to-one mapping with the LUT. Truncation will occur with color
755  * values greater than 8 bits.
756  *
757  * In the future, this function should support additional input gamma methods,
758  * such as piecewise linear mapping, and input gamma bypass.
759  */
dpp1_program_input_lut(struct dpp * dpp_base,const struct dc_gamma * gamma)760 void dpp1_program_input_lut(
761 		struct dpp *dpp_base,
762 		const struct dc_gamma *gamma)
763 {
764 	int i;
765 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
766 	bool rama_occupied = false;
767 	uint32_t ram_num;
768 	// Power on LUT memory.
769 	REG_SET(CM_MEM_PWR_CTRL, 0, SHARED_MEM_PWR_DIS, 1);
770 	dpp1_enable_cm_block(dpp_base);
771 	// Determine whether to use RAM A or RAM B
772 	dpp1_ingamma_ram_inuse(dpp_base, &rama_occupied);
773 	if (!rama_occupied)
774 		REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_SEL, 0);
775 	else
776 		REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_SEL, 1);
777 	// RW mode is 256-entry LUT
778 	REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_RW_MODE, 0);
779 	// IGAM Input format should be 8 bits per channel.
780 	REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_INPUT_FORMAT, 0);
781 	// Do not mask any R,G,B values
782 	REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_WRITE_EN_MASK, 7);
783 	// LUT-256, unsigned, integer, new u0.12 format
784 	REG_UPDATE_3(
785 		CM_IGAM_CONTROL,
786 		CM_IGAM_LUT_FORMAT_R, 3,
787 		CM_IGAM_LUT_FORMAT_G, 3,
788 		CM_IGAM_LUT_FORMAT_B, 3);
789 	// Start at index 0 of IGAM LUT
790 	REG_UPDATE(CM_IGAM_LUT_RW_INDEX, CM_IGAM_LUT_RW_INDEX, 0);
791 	for (i = 0; i < gamma->num_entries; i++) {
792 		REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
793 				dc_fixpt_round(
794 					gamma->entries.red[i]));
795 		REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
796 				dc_fixpt_round(
797 					gamma->entries.green[i]));
798 		REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR,
799 				dc_fixpt_round(
800 					gamma->entries.blue[i]));
801 	}
802 	// Power off LUT memory
803 	REG_SET(CM_MEM_PWR_CTRL, 0, SHARED_MEM_PWR_DIS, 0);
804 	// Enable IGAM LUT on ram we just wrote to. 2 => RAMA, 3 => RAMB
805 	REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_LUT_MODE, rama_occupied ? 3 : 2);
806 	REG_GET(CM_IGAM_CONTROL, CM_IGAM_LUT_MODE, &ram_num);
807 }
808 
dpp1_set_hdr_multiplier(struct dpp * dpp_base,uint32_t multiplier)809 void dpp1_set_hdr_multiplier(
810 		struct dpp *dpp_base,
811 		uint32_t multiplier)
812 {
813 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
814 
815 	REG_UPDATE(CM_HDR_MULT_COEF, CM_HDR_MULT_COEF, multiplier);
816 }
817