1/*
2 * Copyright 2021 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#include "core_types.h"
28#include "reg_helper.h"
29#include "dcn32_dpp.h"
30#include "basics/conversion.h"
31#include "dcn30/dcn30_cm_common.h"
32
33/* Compute the maximum number of lines that we can fit in the line buffer */
34static void dscl32_calc_lb_num_partitions(
35		const struct scaler_data *scl_data,
36		enum lb_memory_config lb_config,
37		int *num_part_y,
38		int *num_part_c)
39{
40	int memory_line_size_y, memory_line_size_c, memory_line_size_a,
41	lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a;
42
43	int line_size = scl_data->viewport.width < scl_data->recout.width ?
44			scl_data->viewport.width : scl_data->recout.width;
45	int line_size_c = scl_data->viewport_c.width < scl_data->recout.width ?
46			scl_data->viewport_c.width : scl_data->recout.width;
47
48	if (line_size == 0)
49		line_size = 1;
50
51	if (line_size_c == 0)
52		line_size_c = 1;
53
54	memory_line_size_y = (line_size + 5) / 6; /* +5 to ceil */
55	memory_line_size_c = (line_size_c + 5) / 6; /* +5 to ceil */
56	memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
57
58	if (lb_config == LB_MEMORY_CONFIG_1) {
59		lb_memory_size = 970;
60		lb_memory_size_c = 970;
61		lb_memory_size_a = 970;
62	} else if (lb_config == LB_MEMORY_CONFIG_2) {
63		lb_memory_size = 1290;
64		lb_memory_size_c = 1290;
65		lb_memory_size_a = 1290;
66	} else if (lb_config == LB_MEMORY_CONFIG_3) {
67		if (scl_data->viewport.width  == scl_data->h_active &&
68			scl_data->viewport.height == scl_data->v_active) {
69			/* 420 mode: luma using all 3 mem from Y, plus 3rd mem from Cr and Cb */
70			/* use increased LB size for calculation only if Scaler not enabled */
71			lb_memory_size = 970 + 1290 + 1170 + 1170 + 1170;
72			lb_memory_size_c = 970 + 1290;
73			lb_memory_size_a = 970 + 1290 + 1170;
74		} else {
75			/* 420 mode: luma using all 3 mem from Y, plus 3rd mem from Cr and Cb */
76			lb_memory_size = 970 + 1290 + 484 + 484 + 484;
77			lb_memory_size_c = 970 + 1290;
78			lb_memory_size_a = 970 + 1290 + 484;
79		}
80	} else {
81		if (scl_data->viewport.width  == scl_data->h_active &&
82			scl_data->viewport.height == scl_data->v_active) {
83			/* use increased LB size for calculation only if Scaler not enabled */
84			lb_memory_size = 970 + 1290 + 1170;
85			lb_memory_size_c = 970 + 1290 + 1170;
86			lb_memory_size_a = 970 + 1290 + 1170;
87		} else {
88			lb_memory_size = 970 + 1290 + 484;
89			lb_memory_size_c = 970 + 1290 + 484;
90			lb_memory_size_a = 970 + 1290 + 484;
91		}
92	}
93	*num_part_y = lb_memory_size / memory_line_size_y;
94	*num_part_c = lb_memory_size_c / memory_line_size_c;
95	num_partitions_a = lb_memory_size_a / memory_line_size_a;
96
97	if (scl_data->lb_params.alpha_en
98			&& (num_partitions_a < *num_part_y))
99		*num_part_y = num_partitions_a;
100
101	if (*num_part_y > 32)
102		*num_part_y = 32;
103	if (*num_part_c > 32)
104		*num_part_c = 32;
105}
106
107static struct dpp_funcs dcn32_dpp_funcs = {
108	.dpp_program_gamcor_lut		= dpp3_program_gamcor_lut,
109	.dpp_read_state				= dpp30_read_state,
110	.dpp_reset					= dpp_reset,
111	.dpp_set_scaler				= dpp1_dscl_set_scaler_manual_scale,
112	.dpp_get_optimal_number_of_taps	= dpp3_get_optimal_number_of_taps,
113	.dpp_set_gamut_remap		= dpp3_cm_set_gamut_remap,
114	.dpp_set_csc_adjustment		= NULL,
115	.dpp_set_csc_default		= NULL,
116	.dpp_program_regamma_pwl	= NULL,
117	.dpp_set_pre_degam			= dpp3_set_pre_degam,
118	.dpp_program_input_lut		= NULL,
119	.dpp_full_bypass			= dpp1_full_bypass,
120	.dpp_setup					= dpp3_cnv_setup,
121	.dpp_program_degamma_pwl	= NULL,
122	.dpp_program_cm_dealpha		= dpp3_program_cm_dealpha,
123	.dpp_program_cm_bias		= dpp3_program_cm_bias,
124
125	.dpp_program_blnd_lut		= NULL, // BLNDGAM is removed completely in DCN3.2 DPP
126	.dpp_program_shaper_lut		= NULL, // CM SHAPER block is removed in DCN3.2 DPP, (it is in MPCC, programmable before or after BLND)
127	.dpp_program_3dlut			= NULL, // CM 3DLUT block is removed in DCN3.2 DPP, (it is in MPCC, programmable before or after BLND)
128
129	.dpp_program_bias_and_scale	= NULL,
130	.dpp_cnv_set_alpha_keyer	= dpp2_cnv_set_alpha_keyer,
131	.set_cursor_attributes		= dpp3_set_cursor_attributes,
132	.set_cursor_position		= dpp1_set_cursor_position,
133	.set_optional_cursor_attributes	= dpp1_cnv_set_optional_cursor_attributes,
134	.dpp_dppclk_control			= dpp1_dppclk_control,
135	.dpp_set_hdr_multiplier		= dpp3_set_hdr_multiplier,
136};
137
138
139static struct dpp_caps dcn32_dpp_cap = {
140	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
141	.max_lb_partitions = 31,
142	.dscl_calc_lb_num_partitions = dscl32_calc_lb_num_partitions,
143};
144
145bool dpp32_construct(
146	struct dcn3_dpp *dpp,
147	struct dc_context *ctx,
148	uint32_t inst,
149	const struct dcn3_dpp_registers *tf_regs,
150	const struct dcn3_dpp_shift *tf_shift,
151	const struct dcn3_dpp_mask *tf_mask)
152{
153	dpp->base.ctx = ctx;
154
155	dpp->base.inst = inst;
156	dpp->base.funcs = &dcn32_dpp_funcs;
157	dpp->base.caps = &dcn32_dpp_cap;
158
159	dpp->tf_regs = tf_regs;
160	dpp->tf_shift = tf_shift;
161	dpp->tf_mask = tf_mask;
162
163	return true;
164}
165