projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 4562236b HW |
1 | /* |
| 2 | * Copyright 2015 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 __DC_LINK_DP_H__ | |
| 27 | #define __DC_LINK_DP_H__ | |
| 28 | ||
| 29 | #define LINK_TRAINING_ATTEMPTS 4 | |
| 30 | #define LINK_TRAINING_RETRY_DELAY 50 /* ms */ | |
| 31 | ||
| d0778ebf | 32 | struct dc_link; |
| 0971c40e | 33 | struct dc_stream_state; |
| 4562236b HW |
34 | struct dc_link_settings; |
| 35 | ||
| aafded88 | 36 | bool dp_verify_link_cap( |
| d0778ebf | 37 | struct dc_link *link, |
| 824474ba BL |
38 | struct dc_link_settings *known_limit_link_setting, |
| 39 | int *fail_count); | |
| 4562236b HW |
40 | |
| 41 | bool dp_validate_mode_timing( | |
| d0778ebf | 42 | struct dc_link *link, |
| 4562236b HW |
43 | const struct dc_crtc_timing *timing); |
| 44 | ||
| 45 | void decide_link_settings( | |
| 0971c40e | 46 | struct dc_stream_state *stream, |
| 4562236b HW |
47 | struct dc_link_settings *link_setting); |
| 48 | ||
| 49 | bool perform_link_training_with_retries( | |
| d0778ebf | 50 | struct dc_link *link, |
| 4562236b HW |
51 | const struct dc_link_settings *link_setting, |
| 52 | bool skip_video_pattern, | |
| 53 | int attempts); | |
| 54 | ||
| d0778ebf | 55 | bool is_mst_supported(struct dc_link *link); |
| 4562236b | 56 | |
| cdb39798 | 57 | bool detect_dp_sink_caps(struct dc_link *link); |
| 4562236b | 58 | |
| 4654a2f7 RL |
59 | void detect_edp_sink_caps(struct dc_link *link); |
| 60 | ||
| d0778ebf | 61 | bool is_dp_active_dongle(const struct dc_link *link); |
| 4562236b | 62 | |
| d0778ebf | 63 | void dp_enable_mst_on_sink(struct dc_link *link, bool enable); |
| 07c84c7a | 64 | |
| 97bda032 HW |
65 | #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT |
| 66 | void dp_set_fec_ready(struct dc_link *link, bool ready); | |
| 67 | void dp_set_fec_enable(struct dc_link *link, bool enable); | |
| 68 | bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable); | |
| 69 | #endif | |
| 70 | ||
| 4562236b | 71 | #endif /* __DC_LINK_DP_H__ */ |