1/*
2 * Copyright 2020 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 "reg_helper.h"
27#include "fixed31_32.h"
28#include "resource.h"
29#include "basics/conversion.h"
30#include "dwb.h"
31#include "dcn30_dwb.h"
32#include "dcn30_cm_common.h"
33#include "dcn10/dcn10_cm_common.h"
34
35
36#define REG(reg)\
37 dwbc30->dwbc_regs->reg
38
39#define CTX \
40 dwbc30->base.ctx
41
42#undef FN
43#define FN(reg_name, field_name) \
44 dwbc30->dwbc_shift->field_name, dwbc30->dwbc_mask->field_name
45
46#define TO_DCN30_DWBC(dwbc_base) \
47 container_of(dwbc_base, struct dcn30_dwbc, base)
48
49static void dwb3_get_reg_field_ogam(struct dcn30_dwbc *dwbc30,
50 struct dcn3_xfer_func_reg *reg)
51{
52 reg->shifts.field_region_start_base = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION_START_BASE_B;
53 reg->masks.field_region_start_base = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION_START_BASE_B;
54 reg->shifts.field_offset = dwbc30->dwbc_shift->DWB_OGAM_RAMA_OFFSET_B;
55 reg->masks.field_offset = dwbc30->dwbc_mask->DWB_OGAM_RAMA_OFFSET_B;
56
57 reg->shifts.exp_region0_lut_offset = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION0_LUT_OFFSET;
58 reg->masks.exp_region0_lut_offset = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION0_LUT_OFFSET;
59 reg->shifts.exp_region0_num_segments = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
60 reg->masks.exp_region0_num_segments = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
61 reg->shifts.exp_region1_lut_offset = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION1_LUT_OFFSET;
62 reg->masks.exp_region1_lut_offset = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION1_LUT_OFFSET;
63 reg->shifts.exp_region1_num_segments = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
64 reg->masks.exp_region1_num_segments = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
65
66 reg->shifts.field_region_end = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION_END_B;
67 reg->masks.field_region_end = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION_END_B;
68 reg->shifts.field_region_end_slope = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION_END_SLOPE_B;
69 reg->masks.field_region_end_slope = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION_END_SLOPE_B;
70 reg->shifts.field_region_end_base = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION_END_BASE_B;
71 reg->masks.field_region_end_base = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION_END_BASE_B;
72 reg->shifts.field_region_linear_slope = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION_START_SLOPE_B;
73 reg->masks.field_region_linear_slope = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION_START_SLOPE_B;
74 reg->shifts.exp_region_start = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION_START_B;
75 reg->masks.exp_region_start = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION_START_B;
76 reg->shifts.exp_resion_start_segment = dwbc30->dwbc_shift->DWB_OGAM_RAMA_EXP_REGION_START_SEGMENT_B;
77 reg->masks.exp_resion_start_segment = dwbc30->dwbc_mask->DWB_OGAM_RAMA_EXP_REGION_START_SEGMENT_B;
78}
79
80/*program dwb ogam RAM A*/
81static void dwb3_program_ogam_luta_settings(
82 struct dcn30_dwbc *dwbc30,
83 const struct pwl_params *params)
84{
85 struct dcn3_xfer_func_reg gam_regs;
86
87 dwb3_get_reg_field_ogam(dwbc30, reg: &gam_regs);
88
89 gam_regs.start_cntl_b = REG(DWB_OGAM_RAMA_START_CNTL_B);
90 gam_regs.start_cntl_g = REG(DWB_OGAM_RAMA_START_CNTL_G);
91 gam_regs.start_cntl_r = REG(DWB_OGAM_RAMA_START_CNTL_R);
92 gam_regs.start_base_cntl_b = REG(DWB_OGAM_RAMA_START_BASE_CNTL_B);
93 gam_regs.start_base_cntl_g = REG(DWB_OGAM_RAMA_START_BASE_CNTL_G);
94 gam_regs.start_base_cntl_r = REG(DWB_OGAM_RAMA_START_BASE_CNTL_R);
95 gam_regs.start_slope_cntl_b = REG(DWB_OGAM_RAMA_START_SLOPE_CNTL_B);
96 gam_regs.start_slope_cntl_g = REG(DWB_OGAM_RAMA_START_SLOPE_CNTL_G);
97 gam_regs.start_slope_cntl_r = REG(DWB_OGAM_RAMA_START_SLOPE_CNTL_R);
98 gam_regs.start_end_cntl1_b = REG(DWB_OGAM_RAMA_END_CNTL1_B);
99 gam_regs.start_end_cntl2_b = REG(DWB_OGAM_RAMA_END_CNTL2_B);
100 gam_regs.start_end_cntl1_g = REG(DWB_OGAM_RAMA_END_CNTL1_G);
101 gam_regs.start_end_cntl2_g = REG(DWB_OGAM_RAMA_END_CNTL2_G);
102 gam_regs.start_end_cntl1_r = REG(DWB_OGAM_RAMA_END_CNTL1_R);
103 gam_regs.start_end_cntl2_r = REG(DWB_OGAM_RAMA_END_CNTL2_R);
104 gam_regs.offset_b = REG(DWB_OGAM_RAMA_OFFSET_B);
105 gam_regs.offset_g = REG(DWB_OGAM_RAMA_OFFSET_G);
106 gam_regs.offset_r = REG(DWB_OGAM_RAMA_OFFSET_R);
107 gam_regs.region_start = REG(DWB_OGAM_RAMA_REGION_0_1);
108 gam_regs.region_end = REG(DWB_OGAM_RAMA_REGION_32_33);
109 /*todo*/
110 cm_helper_program_gamcor_xfer_func(ctx: dwbc30->base.ctx, params, reg: &gam_regs);
111}
112
113/*program dwb ogam RAM B*/
114static void dwb3_program_ogam_lutb_settings(
115 struct dcn30_dwbc *dwbc30,
116 const struct pwl_params *params)
117{
118 struct dcn3_xfer_func_reg gam_regs;
119
120 dwb3_get_reg_field_ogam(dwbc30, reg: &gam_regs);
121
122 gam_regs.start_cntl_b = REG(DWB_OGAM_RAMB_START_CNTL_B);
123 gam_regs.start_cntl_g = REG(DWB_OGAM_RAMB_START_CNTL_G);
124 gam_regs.start_cntl_r = REG(DWB_OGAM_RAMB_START_CNTL_R);
125 gam_regs.start_base_cntl_b = REG(DWB_OGAM_RAMB_START_BASE_CNTL_B);
126 gam_regs.start_base_cntl_g = REG(DWB_OGAM_RAMB_START_BASE_CNTL_G);
127 gam_regs.start_base_cntl_r = REG(DWB_OGAM_RAMB_START_BASE_CNTL_R);
128 gam_regs.start_slope_cntl_b = REG(DWB_OGAM_RAMB_START_SLOPE_CNTL_B);
129 gam_regs.start_slope_cntl_g = REG(DWB_OGAM_RAMB_START_SLOPE_CNTL_G);
130 gam_regs.start_slope_cntl_r = REG(DWB_OGAM_RAMB_START_SLOPE_CNTL_R);
131 gam_regs.start_end_cntl1_b = REG(DWB_OGAM_RAMB_END_CNTL1_B);
132 gam_regs.start_end_cntl2_b = REG(DWB_OGAM_RAMB_END_CNTL2_B);
133 gam_regs.start_end_cntl1_g = REG(DWB_OGAM_RAMB_END_CNTL1_G);
134 gam_regs.start_end_cntl2_g = REG(DWB_OGAM_RAMB_END_CNTL2_G);
135 gam_regs.start_end_cntl1_r = REG(DWB_OGAM_RAMB_END_CNTL1_R);
136 gam_regs.start_end_cntl2_r = REG(DWB_OGAM_RAMB_END_CNTL2_R);
137 gam_regs.offset_b = REG(DWB_OGAM_RAMB_OFFSET_B);
138 gam_regs.offset_g = REG(DWB_OGAM_RAMB_OFFSET_G);
139 gam_regs.offset_r = REG(DWB_OGAM_RAMB_OFFSET_R);
140 gam_regs.region_start = REG(DWB_OGAM_RAMB_REGION_0_1);
141 gam_regs.region_end = REG(DWB_OGAM_RAMB_REGION_32_33);
142
143 cm_helper_program_gamcor_xfer_func(ctx: dwbc30->base.ctx, params, reg: &gam_regs);
144}
145
146static enum dc_lut_mode dwb3_get_ogam_current(
147 struct dcn30_dwbc *dwbc30)
148{
149 enum dc_lut_mode mode;
150 uint32_t state_mode;
151 uint32_t ram_select;
152
153 REG_GET_2(DWB_OGAM_CONTROL,
154 DWB_OGAM_MODE_CURRENT, &state_mode,
155 DWB_OGAM_SELECT_CURRENT, &ram_select);
156
157 if (state_mode == 0) {
158 mode = LUT_BYPASS;
159 } else if (state_mode == 2) {
160 if (ram_select == 0)
161 mode = LUT_RAM_A;
162 else if (ram_select == 1)
163 mode = LUT_RAM_B;
164 else
165 mode = LUT_BYPASS;
166 } else {
167 // Reserved value
168 mode = LUT_BYPASS;
169 BREAK_TO_DEBUGGER();
170 return mode;
171 }
172 return mode;
173}
174
175static void dwb3_configure_ogam_lut(
176 struct dcn30_dwbc *dwbc30,
177 bool is_ram_a)
178{
179 REG_UPDATE_2(DWB_OGAM_LUT_CONTROL,
180 DWB_OGAM_LUT_WRITE_COLOR_MASK, 7,
181 DWB_OGAM_LUT_HOST_SEL, (is_ram_a == true) ? 0 : 1);
182
183 REG_SET(DWB_OGAM_LUT_INDEX, 0, DWB_OGAM_LUT_INDEX, 0);
184}
185
186static void dwb3_program_ogam_pwl(struct dcn30_dwbc *dwbc30,
187 const struct pwl_result_data *rgb,
188 uint32_t num)
189{
190 uint32_t i;
191
192 uint32_t last_base_value_red = rgb[num-1].red_reg + rgb[num-1].delta_red_reg;
193 uint32_t last_base_value_green = rgb[num-1].green_reg + rgb[num-1].delta_green_reg;
194 uint32_t last_base_value_blue = rgb[num-1].blue_reg + rgb[num-1].delta_blue_reg;
195
196 if (is_rgb_equal(rgb, num)) {
197 for (i = 0 ; i < num; i++)
198 REG_SET(DWB_OGAM_LUT_DATA, 0, DWB_OGAM_LUT_DATA, rgb[i].red_reg);
199
200 REG_SET(DWB_OGAM_LUT_DATA, 0, DWB_OGAM_LUT_DATA, last_base_value_red);
201
202 } else {
203
204 REG_UPDATE(DWB_OGAM_LUT_CONTROL,
205 DWB_OGAM_LUT_WRITE_COLOR_MASK, 4);
206
207 for (i = 0 ; i < num; i++)
208 REG_SET(DWB_OGAM_LUT_DATA, 0, DWB_OGAM_LUT_DATA, rgb[i].red_reg);
209
210 REG_SET(DWB_OGAM_LUT_DATA, 0, DWB_OGAM_LUT_DATA, last_base_value_red);
211
212 REG_SET(DWB_OGAM_LUT_INDEX, 0, DWB_OGAM_LUT_INDEX, 0);
213
214 REG_UPDATE(DWB_OGAM_LUT_CONTROL,
215 DWB_OGAM_LUT_WRITE_COLOR_MASK, 2);
216
217 for (i = 0 ; i < num; i++)
218 REG_SET(DWB_OGAM_LUT_DATA, 0, DWB_OGAM_LUT_DATA, rgb[i].green_reg);
219
220 REG_SET(DWB_OGAM_LUT_DATA, 0, DWB_OGAM_LUT_DATA, last_base_value_green);
221
222 REG_SET(DWB_OGAM_LUT_INDEX, 0, DWB_OGAM_LUT_INDEX, 0);
223
224 REG_UPDATE(DWB_OGAM_LUT_CONTROL,
225 DWB_OGAM_LUT_WRITE_COLOR_MASK, 1);
226
227 for (i = 0 ; i < num; i++)
228 REG_SET(DWB_OGAM_LUT_DATA, 0, DWB_OGAM_LUT_DATA, rgb[i].blue_reg);
229
230 REG_SET(DWB_OGAM_LUT_DATA, 0, DWB_OGAM_LUT_DATA, last_base_value_blue);
231 }
232}
233
234static bool dwb3_program_ogam_lut(
235 struct dcn30_dwbc *dwbc30,
236 const struct pwl_params *params)
237{
238 enum dc_lut_mode current_mode;
239 enum dc_lut_mode next_mode;
240
241 if (params == NULL) {
242 REG_SET(DWB_OGAM_CONTROL, 0, DWB_OGAM_MODE, 0);
243 return false;
244 }
245
246 REG_SET(DWB_OGAM_CONTROL, 0, DWB_OGAM_MODE, 2);
247
248 current_mode = dwb3_get_ogam_current(dwbc30);
249 if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_A)
250 next_mode = LUT_RAM_B;
251 else
252 next_mode = LUT_RAM_A;
253
254 dwb3_configure_ogam_lut(dwbc30, is_ram_a: next_mode == LUT_RAM_A);
255
256 if (next_mode == LUT_RAM_A)
257 dwb3_program_ogam_luta_settings(dwbc30, params);
258 else
259 dwb3_program_ogam_lutb_settings(dwbc30, params);
260
261 dwb3_program_ogam_pwl(
262 dwbc30, rgb: params->rgb_resulted, num: params->hw_points_num);
263
264 REG_UPDATE(DWB_OGAM_CONTROL, DWB_OGAM_SELECT, next_mode == LUT_RAM_A ? 0 : 1);
265
266 return true;
267}
268
269bool dwb3_ogam_set_input_transfer_func(
270 struct dwbc *dwbc,
271 const struct dc_transfer_func *in_transfer_func_dwb_ogam)
272{
273 struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
274 bool result = false;
275 struct pwl_params *dwb_ogam_lut = NULL;
276
277 if (in_transfer_func_dwb_ogam == NULL)
278 return result;
279
280 dwb_ogam_lut = kzalloc(size: sizeof(*dwb_ogam_lut), GFP_KERNEL);
281
282 if (dwb_ogam_lut) {
283 cm_helper_translate_curve_to_hw_format(ctx: dwbc->ctx,
284 output_tf: in_transfer_func_dwb_ogam,
285 lut_params: dwb_ogam_lut, fixpoint: false);
286
287 result = dwb3_program_ogam_lut(
288 dwbc30,
289 params: dwb_ogam_lut);
290 kfree(objp: dwb_ogam_lut);
291 dwb_ogam_lut = NULL;
292 }
293
294 return result;
295}
296
297static void dwb3_program_gamut_remap(
298 struct dwbc *dwbc,
299 const uint16_t *regval,
300 enum cm_gamut_coef_format coef_format,
301 enum cm_gamut_remap_select select)
302{
303 struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
304
305 struct color_matrices_reg gam_regs;
306
307 if (regval == NULL || select == CM_GAMUT_REMAP_MODE_BYPASS) {
308 REG_SET(DWB_GAMUT_REMAP_MODE, 0,
309 DWB_GAMUT_REMAP_MODE, 0);
310 return;
311 }
312
313 REG_UPDATE(DWB_GAMUT_REMAP_COEF_FORMAT, DWB_GAMUT_REMAP_COEF_FORMAT, coef_format);
314
315 gam_regs.shifts.csc_c11 = dwbc30->dwbc_shift->DWB_GAMUT_REMAPA_C11;
316 gam_regs.masks.csc_c11 = dwbc30->dwbc_mask->DWB_GAMUT_REMAPA_C11;
317 gam_regs.shifts.csc_c12 = dwbc30->dwbc_shift->DWB_GAMUT_REMAPA_C12;
318 gam_regs.masks.csc_c12 = dwbc30->dwbc_mask->DWB_GAMUT_REMAPA_C12;
319
320 switch (select) {
321 case CM_GAMUT_REMAP_MODE_RAMA_COEFF:
322 gam_regs.csc_c11_c12 = REG(DWB_GAMUT_REMAPA_C11_C12);
323 gam_regs.csc_c33_c34 = REG(DWB_GAMUT_REMAPA_C33_C34);
324
325 cm_helper_program_color_matrices(
326 ctx: dwbc30->base.ctx,
327 regval,
328 reg: &gam_regs);
329 break;
330 case CM_GAMUT_REMAP_MODE_RAMB_COEFF:
331 gam_regs.csc_c11_c12 = REG(DWB_GAMUT_REMAPB_C11_C12);
332 gam_regs.csc_c33_c34 = REG(DWB_GAMUT_REMAPB_C33_C34);
333
334 cm_helper_program_color_matrices(
335 ctx: dwbc30->base.ctx,
336 regval,
337 reg: &gam_regs);
338 break;
339 case CM_GAMUT_REMAP_MODE_RESERVED:
340 /* should never happen, bug */
341 BREAK_TO_DEBUGGER();
342 return;
343 default:
344 break;
345 }
346
347 REG_SET(DWB_GAMUT_REMAP_MODE, 0,
348 DWB_GAMUT_REMAP_MODE, select);
349
350}
351
352void dwb3_set_gamut_remap(
353 struct dwbc *dwbc,
354 const struct dc_dwb_params *params)
355{
356 struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
357 struct cm_grph_csc_adjustment adjust = params->csc_params;
358 int i = 0;
359
360 if (adjust.gamut_adjust_type != CM_GAMUT_ADJUST_TYPE_SW) {
361 /* Bypass if type is bypass or hw */
362 dwb3_program_gamut_remap(dwbc, NULL, coef_format: adjust.gamut_coef_format, select: CM_GAMUT_REMAP_MODE_BYPASS);
363 } else {
364 struct fixed31_32 arr_matrix[12];
365 uint16_t arr_reg_val[12];
366 unsigned int current_mode;
367
368 for (i = 0; i < 12; i++)
369 arr_matrix[i] = adjust.temperature_matrix[i];
370
371 convert_float_matrix(matrix: arr_reg_val, flt: arr_matrix, buffer_size: 12);
372
373 REG_GET(DWB_GAMUT_REMAP_MODE, DWB_GAMUT_REMAP_MODE_CURRENT, &current_mode);
374
375 if (current_mode == CM_GAMUT_REMAP_MODE_RAMA_COEFF) {
376 dwb3_program_gamut_remap(dwbc, regval: arr_reg_val,
377 coef_format: adjust.gamut_coef_format, select: CM_GAMUT_REMAP_MODE_RAMB_COEFF);
378 } else {
379 dwb3_program_gamut_remap(dwbc, regval: arr_reg_val,
380 coef_format: adjust.gamut_coef_format, select: CM_GAMUT_REMAP_MODE_RAMA_COEFF);
381 }
382 }
383}
384
385void dwb3_program_hdr_mult(
386 struct dwbc *dwbc,
387 const struct dc_dwb_params *params)
388{
389 struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
390
391 REG_UPDATE(DWB_HDR_MULT_COEF, DWB_HDR_MULT_COEF, params->hdr_mult);
392}
393

source code of linux/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c