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 "dcn201_dpp.h"
32#include "basics/conversion.h"
33
34#define REG(reg)\
35 dpp->tf_regs->reg
36
37#define CTX \
38 dpp->base.ctx
39
40#undef FN
41#define FN(reg_name, field_name) \
42 dpp->tf_shift->field_name, dpp->tf_mask->field_name
43
44static void dpp201_cnv_setup(
45 struct dpp *dpp_base,
46 enum surface_pixel_format format,
47 enum expansion_mode mode,
48 struct dc_csc_transform input_csc_color_matrix,
49 enum dc_color_space input_color_space,
50 struct cnv_alpha_2bit_lut *alpha_2bit_lut)
51{
52 struct dcn201_dpp *dpp = TO_DCN201_DPP(dpp_base);
53 uint32_t pixel_format = 0;
54 uint32_t alpha_en = 1;
55 enum dc_color_space color_space = COLOR_SPACE_SRGB;
56 enum dcn10_input_csc_select select = INPUT_CSC_SELECT_BYPASS;
57 bool force_disable_cursor = false;
58 uint32_t is_2bit = 0;
59
60 REG_SET_2(FORMAT_CONTROL, 0,
61 CNVC_BYPASS, 0,
62 FORMAT_EXPANSION_MODE, mode);
63
64 REG_UPDATE(FORMAT_CONTROL, FORMAT_CNV16, 0);
65 REG_UPDATE(FORMAT_CONTROL, CNVC_BYPASS_MSB_ALIGN, 0);
66 REG_UPDATE(FORMAT_CONTROL, CLAMP_POSITIVE, 0);
67 REG_UPDATE(FORMAT_CONTROL, CLAMP_POSITIVE_C, 0);
68
69 switch (format) {
70 case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
71 pixel_format = 1;
72 break;
73 case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
74 pixel_format = 3;
75 alpha_en = 0;
76 break;
77 case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
78 case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
79 pixel_format = 8;
80 break;
81 case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
82 case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
83 pixel_format = 10;
84 is_2bit = 1;
85 break;
86 case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
87 force_disable_cursor = false;
88 pixel_format = 65;
89 color_space = COLOR_SPACE_YCBCR709;
90 select = INPUT_CSC_SELECT_ICSC;
91 break;
92 case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
93 force_disable_cursor = true;
94 pixel_format = 64;
95 color_space = COLOR_SPACE_YCBCR709;
96 select = INPUT_CSC_SELECT_ICSC;
97 break;
98 case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
99 force_disable_cursor = true;
100 pixel_format = 67;
101 color_space = COLOR_SPACE_YCBCR709;
102 select = INPUT_CSC_SELECT_ICSC;
103 break;
104 case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
105 force_disable_cursor = true;
106 pixel_format = 66;
107 color_space = COLOR_SPACE_YCBCR709;
108 select = INPUT_CSC_SELECT_ICSC;
109 break;
110 case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
111 pixel_format = 22;
112 break;
113 case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
114 pixel_format = 24;
115 break;
116 case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
117 pixel_format = 25;
118 break;
119 case SURFACE_PIXEL_FORMAT_VIDEO_AYCrCb8888:
120 pixel_format = 12;
121 color_space = COLOR_SPACE_YCBCR709;
122 select = INPUT_CSC_SELECT_ICSC;
123 break;
124 case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FIX:
125 pixel_format = 112;
126 alpha_en = 0;
127 break;
128 case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FIX:
129 pixel_format = 113;
130 alpha_en = 0;
131 break;
132 case SURFACE_PIXEL_FORMAT_VIDEO_ACrYCb2101010:
133 pixel_format = 114;
134 color_space = COLOR_SPACE_YCBCR709;
135 select = INPUT_CSC_SELECT_ICSC;
136 is_2bit = 1;
137 break;
138 case SURFACE_PIXEL_FORMAT_VIDEO_CrYCbA1010102:
139 pixel_format = 115;
140 color_space = COLOR_SPACE_YCBCR709;
141 select = INPUT_CSC_SELECT_ICSC;
142 is_2bit = 1;
143 break;
144 case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FLOAT:
145 pixel_format = 118;
146 alpha_en = 0;
147 break;
148 case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FLOAT:
149 pixel_format = 119;
150 alpha_en = 0;
151 break;
152 default:
153 break;
154 }
155
156 /* Set default color space based on format if none is given. */
157 color_space = input_color_space ? input_color_space : color_space;
158
159 if (is_2bit == 1 && alpha_2bit_lut != NULL) {
160 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0);
161 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1, alpha_2bit_lut->lut1);
162 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT2, alpha_2bit_lut->lut2);
163 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT3, alpha_2bit_lut->lut3);
164 }
165
166 REG_SET(CNVC_SURFACE_PIXEL_FORMAT, 0,
167 CNVC_SURFACE_PIXEL_FORMAT, pixel_format);
168 REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en);
169
170 dpp1_program_input_csc(dpp_base, color_space, select, NULL);
171
172 if (force_disable_cursor) {
173 REG_UPDATE(CURSOR_CONTROL,
174 CURSOR_ENABLE, 0);
175 REG_UPDATE(CURSOR0_CONTROL,
176 CUR0_ENABLE, 0);
177 }
178 dpp2_power_on_obuf(dpp_base, power_on: true);
179}
180
181#define IDENTITY_RATIO(ratio) (dc_fixpt_u3d19(ratio) == (1 << 19))
182
183static bool dpp201_get_optimal_number_of_taps(
184 struct dpp *dpp,
185 struct scaler_data *scl_data,
186 const struct scaling_taps *in_taps)
187{
188 if (scl_data->viewport.width != scl_data->h_active &&
189 scl_data->viewport.height != scl_data->v_active &&
190 dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT &&
191 scl_data->format == PIXEL_FORMAT_FP16)
192 return false;
193
194 if (scl_data->viewport.width > scl_data->h_active &&
195 dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
196 scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
197 return false;
198
199 if (scl_data->ratios.horz.value == (8ll << 32))
200 scl_data->ratios.horz.value--;
201 if (scl_data->ratios.vert.value == (8ll << 32))
202 scl_data->ratios.vert.value--;
203 if (scl_data->ratios.horz_c.value == (8ll << 32))
204 scl_data->ratios.horz_c.value--;
205 if (scl_data->ratios.vert_c.value == (8ll << 32))
206 scl_data->ratios.vert_c.value--;
207
208 if (in_taps->h_taps == 0) {
209 if (dc_fixpt_ceil(arg: scl_data->ratios.horz) > 4)
210 scl_data->taps.h_taps = 8;
211 else
212 scl_data->taps.h_taps = 4;
213 } else
214 scl_data->taps.h_taps = in_taps->h_taps;
215
216 if (in_taps->v_taps == 0) {
217 if (dc_fixpt_ceil(arg: scl_data->ratios.vert) > 4)
218 scl_data->taps.v_taps = 8;
219 else
220 scl_data->taps.v_taps = 4;
221 } else
222 scl_data->taps.v_taps = in_taps->v_taps;
223 if (in_taps->v_taps_c == 0) {
224 if (dc_fixpt_ceil(arg: scl_data->ratios.vert_c) > 4)
225 scl_data->taps.v_taps_c = 4;
226 else
227 scl_data->taps.v_taps_c = 2;
228 } else
229 scl_data->taps.v_taps_c = in_taps->v_taps_c;
230 if (in_taps->h_taps_c == 0) {
231 if (dc_fixpt_ceil(arg: scl_data->ratios.horz_c) > 4)
232 scl_data->taps.h_taps_c = 4;
233 else
234 scl_data->taps.h_taps_c = 2;
235 } else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
236 scl_data->taps.h_taps_c = in_taps->h_taps_c - 1;
237 else
238 scl_data->taps.h_taps_c = in_taps->h_taps_c;
239
240 if (!dpp->ctx->dc->debug.always_scale) {
241 if (IDENTITY_RATIO(scl_data->ratios.horz))
242 scl_data->taps.h_taps = 1;
243 if (IDENTITY_RATIO(scl_data->ratios.vert))
244 scl_data->taps.v_taps = 1;
245 if (IDENTITY_RATIO(scl_data->ratios.horz_c))
246 scl_data->taps.h_taps_c = 1;
247 if (IDENTITY_RATIO(scl_data->ratios.vert_c))
248 scl_data->taps.v_taps_c = 1;
249 }
250
251 return true;
252}
253
254static struct dpp_funcs dcn201_dpp_funcs = {
255 .dpp_read_state = dpp20_read_state,
256 .dpp_reset = dpp_reset,
257 .dpp_set_scaler = dpp1_dscl_set_scaler_manual_scale,
258 .dpp_get_optimal_number_of_taps = dpp201_get_optimal_number_of_taps,
259 .dpp_set_gamut_remap = dpp1_cm_set_gamut_remap,
260 .dpp_set_csc_adjustment = NULL,
261 .dpp_set_csc_default = NULL,
262 .dpp_program_regamma_pwl = oppn20_dummy_program_regamma_pwl,
263 .dpp_set_degamma = dpp2_set_degamma,
264 .dpp_program_input_lut = dpp2_dummy_program_input_lut,
265 .dpp_full_bypass = dpp1_full_bypass,
266 .dpp_setup = dpp201_cnv_setup,
267 .dpp_program_degamma_pwl = dpp2_set_degamma_pwl,
268 .dpp_program_blnd_lut = dpp20_program_blnd_lut,
269 .dpp_program_shaper_lut = dpp20_program_shaper,
270 .dpp_program_3dlut = dpp20_program_3dlut,
271 .dpp_program_bias_and_scale = NULL,
272 .dpp_cnv_set_alpha_keyer = dpp2_cnv_set_alpha_keyer,
273 .set_cursor_attributes = dpp2_set_cursor_attributes,
274 .set_cursor_position = dpp1_set_cursor_position,
275 .set_optional_cursor_attributes = dpp1_cnv_set_optional_cursor_attributes,
276 .dpp_dppclk_control = dpp1_dppclk_control,
277 .dpp_set_hdr_multiplier = dpp2_set_hdr_multiplier,
278 .dpp_get_gamut_remap = dpp2_cm_get_gamut_remap,
279};
280
281static struct dpp_caps dcn201_dpp_cap = {
282 .dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
283 .dscl_calc_lb_num_partitions = dscl2_calc_lb_num_partitions,
284};
285
286bool dpp201_construct(
287 struct dcn201_dpp *dpp,
288 struct dc_context *ctx,
289 uint32_t inst,
290 const struct dcn201_dpp_registers *tf_regs,
291 const struct dcn201_dpp_shift *tf_shift,
292 const struct dcn201_dpp_mask *tf_mask)
293{
294 dpp->base.ctx = ctx;
295
296 dpp->base.inst = inst;
297 dpp->base.funcs = &dcn201_dpp_funcs;
298 dpp->base.caps = &dcn201_dpp_cap;
299
300 dpp->tf_regs = tf_regs;
301 dpp->tf_shift = tf_shift;
302 dpp->tf_mask = tf_mask;
303
304 dpp->lb_pixel_depth_supported =
305 LB_PIXEL_DEPTH_18BPP |
306 LB_PIXEL_DEPTH_24BPP |
307 LB_PIXEL_DEPTH_30BPP;
308
309 dpp->lb_bits_per_entry = LB_BITS_PER_ENTRY;
310 dpp->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES;
311
312 return true;
313}
314

source code of linux/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c