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#ifndef __DAL_COMPRESSOR_H__
27#define __DAL_COMPRESSOR_H__
28
29#include "include/grph_object_id.h"
30#include "bios_parser_interface.h"
31
32enum fbc_compress_ratio {
33 FBC_COMPRESS_RATIO_INVALID = 0,
34 FBC_COMPRESS_RATIO_1TO1 = 1,
35 FBC_COMPRESS_RATIO_2TO1 = 2,
36 FBC_COMPRESS_RATIO_4TO1 = 4,
37 FBC_COMPRESS_RATIO_8TO1 = 8,
38};
39
40union fbc_physical_address {
41 struct {
42 uint32_t low_part;
43 int32_t high_part;
44 } addr;
45 uint64_t quad_part;
46};
47
48struct compr_addr_and_pitch_params {
49 /* enum controller_id controller_id; */
50 uint32_t inst;
51 uint32_t source_view_width;
52 uint32_t source_view_height;
53};
54
55enum fbc_hw_max_resolution_supported {
56 FBC_MAX_X = 3840,
57 FBC_MAX_Y = 2400,
58 FBC_MAX_X_SG = 1920,
59 FBC_MAX_Y_SG = 1080,
60};
61
62struct compressor;
63
64struct compressor_funcs {
65
66 void (*power_up_fbc)(struct compressor *cp);
67 void (*enable_fbc)(struct compressor *cp,
68 struct compr_addr_and_pitch_params *params);
69 void (*disable_fbc)(struct compressor *cp);
70 void (*set_fbc_invalidation_triggers)(struct compressor *cp,
71 uint32_t fbc_trigger);
72 void (*surface_address_and_pitch)(
73 struct compressor *cp,
74 struct compr_addr_and_pitch_params *params);
75 bool (*is_fbc_enabled_in_hw)(struct compressor *cp,
76 uint32_t *fbc_mapped_crtc_id);
77};
78struct compressor {
79 struct dc_context *ctx;
80 /* CONTROLLER_ID_D0 + instance, CONTROLLER_ID_UNDEFINED = 0 */
81 uint32_t attached_inst;
82 bool is_enabled;
83 const struct compressor_funcs *funcs;
84 union {
85 uint32_t raw;
86 struct {
87 uint32_t FBC_SUPPORT:1;
88 uint32_t FB_POOL:1;
89 uint32_t DYNAMIC_ALLOC:1;
90 uint32_t LPT_SUPPORT:1;
91 uint32_t LPT_MC_CONFIG:1;
92 uint32_t DUMMY_BACKEND:1;
93 uint32_t CLK_GATING_DISABLED:1;
94
95 } bits;
96 } options;
97
98 union fbc_physical_address compr_surface_address;
99
100 uint32_t embedded_panel_h_size;
101 uint32_t embedded_panel_v_size;
102 uint32_t memory_bus_width;
103 uint32_t banks_num;
104 uint32_t raw_size;
105 uint32_t channel_interleave_size;
106 uint32_t dram_channels_num;
107
108 uint32_t allocated_size;
109 uint32_t preferred_requested_size;
110 uint32_t lpt_channels_num;
111 enum fbc_compress_ratio min_compress_ratio;
112};
113
114struct fbc_input_info {
115 bool dynamic_fbc_buffer_alloc;
116 unsigned int source_view_width;
117 unsigned int source_view_height;
118 unsigned int num_of_active_targets;
119};
120
121
122struct fbc_requested_compressed_size {
123 unsigned int preferred_size;
124 unsigned int preferred_size_alignment;
125 unsigned int min_size;
126 unsigned int min_size_alignment;
127 union {
128 struct {
129 /* Above preferedSize must be allocated in FB pool */
130 unsigned int preferred_must_be_framebuffer_pool : 1;
131 /* Above minSize must be allocated in FB pool */
132 unsigned int min_must_be_framebuffer_pool : 1;
133 } bits;
134 unsigned int flags;
135 };
136};
137#endif
138

source code of linux/drivers/gpu/drm/amd/display/dc/inc/compressor.h