1 /* 2 * Copyright 2022 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 * DOC: overview 28 * 29 * Display Input Output (DIO), is the display input and output unit in DCN. It 30 * includes output encoders to support different display output, like 31 * DisplayPort, HDMI, DVI interface, and others. It also includes the control 32 * and status channels for these interfaces. 33 */ 34 35 #ifndef __LINK_HWSS_DIO_H__ 36 #define __LINK_HWSS_DIO_H__ 37 38 #include "link_hwss.h" 39 #include "link.h" 40 41 const struct link_hwss *get_dio_link_hwss(void); 42 bool can_use_dio_link_hwss(const struct dc_link *link, 43 const struct link_resource *link_res); 44 void set_dio_throttled_vcp_size(struct pipe_ctx *pipe_ctx, 45 struct fixed31_32 throttled_vcp_size); 46 void setup_dio_stream_encoder(struct pipe_ctx *pipe_ctx); 47 void reset_dio_stream_encoder(struct pipe_ctx *pipe_ctx); 48 void setup_dio_stream_attribute(struct pipe_ctx *pipe_ctx); 49 void enable_dio_dp_link_output(struct dc_link *link, 50 const struct link_resource *link_res, 51 enum signal_type signal, 52 enum clock_source_id clock_source, 53 const struct dc_link_settings *link_settings); 54 void disable_dio_link_output(struct dc_link *link, 55 const struct link_resource *link_res, 56 enum signal_type signal); 57 void set_dio_dp_link_test_pattern(struct dc_link *link, 58 const struct link_resource *link_res, 59 struct encoder_set_dp_phy_pattern_param *tp_params); 60 void set_dio_dp_lane_settings(struct dc_link *link, 61 const struct link_resource *link_res, 62 const struct dc_link_settings *link_settings, 63 const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]); 64 void setup_dio_audio_output(struct pipe_ctx *pipe_ctx, 65 struct audio_output *audio_output, uint32_t audio_inst); 66 void enable_dio_audio_packet(struct pipe_ctx *pipe_ctx); 67 void disable_dio_audio_packet(struct pipe_ctx *pipe_ctx); 68 void update_dio_stream_allocation_table(struct dc_link *link, 69 const struct link_resource *link_res, 70 const struct link_mst_stream_allocation_table *table); 71 72 #endif /* __LINK_HWSS_DIO_H__ */ 73