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4562236b HW |
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_AMDGPU_DM_MST_TYPES_H__ | |
27 | #define __DAL_AMDGPU_DM_MST_TYPES_H__ | |
28 | ||
2ca97adc FZ |
29 | #define DP_BRANCH_DEVICE_ID_90CC24 0x90CC24 |
30 | ||
31 | #define SYNAPTICS_RC_COMMAND 0x4B2 | |
32 | #define SYNAPTICS_RC_RESULT 0x4B3 | |
33 | #define SYNAPTICS_RC_LENGTH 0x4B8 | |
34 | #define SYNAPTICS_RC_OFFSET 0x4BC | |
35 | #define SYNAPTICS_RC_DATA 0x4C0 | |
36 | ||
54c7b715 FZ |
37 | #define DP_BRANCH_VENDOR_SPECIFIC_START 0x50C |
38 | ||
39 | /** | |
40 | * Panamera MST Hub detection | |
41 | * Offset DPCD 050Eh == 0x5A indicates cascaded MST hub case | |
42 | * Check from beginning of branch device vendor specific field (050Ch) | |
43 | */ | |
44 | #define IS_SYNAPTICS_PANAMERA(branchDevName) (((int)branchDevName[4] & 0xF0) == 0x50 ? 1 : 0) | |
45 | #define BRANCH_HW_REVISION_PANAMERA_A2 0x10 | |
46 | #define SYNAPTICS_CASCADED_HUB_ID 0x5A | |
47 | #define IS_SYNAPTICS_CASCADED_PANAMERA(devName, data) ((IS_SYNAPTICS_PANAMERA(devName) && ((int)data[2] == SYNAPTICS_CASCADED_HUB_ID)) ? 1 : 0) | |
48 | ||
2792f98c FZ |
49 | #define PBN_FEC_OVERHEAD_MULTIPLIER_8B_10B 1031 |
50 | #define PBN_FEC_OVERHEAD_MULTIPLIER_128B_132B 1000 | |
51 | ||
4562236b | 52 | struct amdgpu_display_manager; |
c84dec2f | 53 | struct amdgpu_dm_connector; |
4562236b | 54 | |
dcade880 ML |
55 | int dm_mst_get_pbn_divider(struct dc_link *link); |
56 | ||
aaa6346d | 57 | void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, |
7daec99f AD |
58 | struct amdgpu_dm_connector *aconnector, |
59 | int link_index); | |
4562236b | 60 | |
31684701 AD |
61 | void |
62 | dm_dp_create_fake_mst_encoders(struct amdgpu_device *adev); | |
63 | ||
90517c98 HW |
64 | struct dsc_mst_fairness_vars { |
65 | int pbn; | |
66 | bool dsc_enabled; | |
67 | int bpp_x16; | |
68 | struct amdgpu_dm_connector *aconnector; | |
69 | }; | |
70 | ||
ba891436 LP |
71 | int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, |
72 | struct dc_state *dc_state, | |
73 | struct dsc_mst_fairness_vars *vars); | |
2ca97adc FZ |
74 | |
75 | bool needs_dsc_aux_workaround(struct dc_link *link); | |
17ce8a69 | 76 | |
ba891436 LP |
77 | int pre_validate_dsc(struct drm_atomic_state *state, |
78 | struct dm_atomic_state **dm_state_ptr, | |
79 | struct dsc_mst_fairness_vars *vars); | |
d9fe1a4c | 80 | |
f04d275d | 81 | enum dc_status dm_dp_mst_is_port_support_mode( |
82 | struct amdgpu_dm_connector *aconnector, | |
83 | struct dc_stream_state *stream); | |
84 | ||
d9fe1a4c | 85 | #endif |