1 /* 2 * Copyright 2023 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 #ifndef __LINK_HWSS_DIO_FIXED_VS_PE_RETIMER_H__ 26 #define __LINK_HWSS_DIO_FIXED_VS_PE_RETIMER_H__ 27 28 #include "link.h" 29 30 uint32_t dp_dio_fixed_vs_pe_retimer_get_lttpr_write_address(struct dc_link *link); 31 uint8_t dp_dio_fixed_vs_pe_retimer_lane_cfg_to_hw_cfg(struct dc_link *link); 32 void dp_dio_fixed_vs_pe_retimer_exit_manual_automation(struct dc_link *link); 33 void enable_dio_fixed_vs_pe_retimer_program_4lane_output(struct dc_link *link); 34 bool requires_fixed_vs_pe_retimer_dio_link_hwss(const struct dc_link *link); 35 const struct link_hwss *get_dio_fixed_vs_pe_retimer_link_hwss(void); 36 37 #endif /* __LINK_HWSS_DIO_FIXED_VS_PE_RETIMER_H__ */ 38