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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 | /** | |
27 | * This file defines helper functions provided by the Display Manager to | |
28 | * Display Core. | |
29 | */ | |
30 | #ifndef __DM_HELPERS__ | |
31 | #define __DM_HELPERS__ | |
32 | ||
33 | #include "dc_types.h" | |
34 | #include "dc.h" | |
35 | ||
36 | struct dp_mst_stream_allocation_table; | |
37 | ||
38 | enum dc_edid_status dm_helpers_parse_edid_caps( | |
39 | struct dc_context *ctx, | |
40 | const struct dc_edid *edid, | |
41 | struct dc_edid_caps *edid_caps); | |
42 | ||
43 | /* | |
44 | * Writes payload allocation table in immediate downstream device. | |
45 | */ | |
46 | bool dm_helpers_dp_mst_write_payload_allocation_table( | |
47 | struct dc_context *ctx, | |
0971c40e | 48 | const struct dc_stream_state *stream, |
4562236b HW |
49 | struct dp_mst_stream_allocation_table *proposed_table, |
50 | bool enable); | |
51 | ||
52 | /* | |
53 | * Polls for ACT (allocation change trigger) handled and | |
54 | */ | |
55 | bool dm_helpers_dp_mst_poll_for_allocation_change_trigger( | |
56 | struct dc_context *ctx, | |
0971c40e | 57 | const struct dc_stream_state *stream); |
4562236b HW |
58 | /* |
59 | * Sends ALLOCATE_PAYLOAD message. | |
60 | */ | |
61 | bool dm_helpers_dp_mst_send_payload_allocation( | |
62 | struct dc_context *ctx, | |
0971c40e | 63 | const struct dc_stream_state *stream, |
4562236b HW |
64 | bool enable); |
65 | ||
66 | bool dm_helpers_dp_mst_start_top_mgr( | |
67 | struct dc_context *ctx, | |
68 | const struct dc_link *link, | |
69 | bool boot); | |
70 | ||
71 | void dm_helpers_dp_mst_stop_top_mgr( | |
72 | struct dc_context *ctx, | |
73 | const struct dc_link *link); | |
4562236b HW |
74 | /** |
75 | * OS specific aux read callback. | |
76 | */ | |
77 | bool dm_helpers_dp_read_dpcd( | |
78 | struct dc_context *ctx, | |
79 | const struct dc_link *link, | |
80 | uint32_t address, | |
81 | uint8_t *data, | |
82 | uint32_t size); | |
83 | ||
84 | /** | |
85 | * OS specific aux write callback. | |
86 | */ | |
87 | bool dm_helpers_dp_write_dpcd( | |
88 | struct dc_context *ctx, | |
89 | const struct dc_link *link, | |
90 | uint32_t address, | |
91 | const uint8_t *data, | |
92 | uint32_t size); | |
93 | ||
94 | bool dm_helpers_submit_i2c( | |
95 | struct dc_context *ctx, | |
96 | const struct dc_link *link, | |
97 | struct i2c_command *cmd); | |
98 | ||
99 | ||
7c7f5b15 AG |
100 | |
101 | ||
102 | ||
103 | ||
104 | enum dc_edid_status dm_helpers_read_local_edid( | |
105 | struct dc_context *ctx, | |
106 | struct dc_link *link, | |
107 | struct dc_sink *sink); | |
108 | ||
109 | ||
4562236b | 110 | #endif /* __DM_HELPERS__ */ |