| /* |
| * Copyright 2023 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: AMD |
| * |
| */ |
| #include "link_hwss_dio.h" |
| #include "link_hwss_dio_fixed_vs_pe_retimer.h" |
| #include "link_enc_cfg.h" |
| |
| uint8_t dp_dio_fixed_vs_pe_retimer_lane_cfg_to_hw_cfg(struct dc_link *link) |
| { |
| // TODO: Get USB-C cable orientation |
| if (link->cur_link_settings.lane_count == LANE_COUNT_FOUR) |
| return 0xF2; |
| else |
| return 0x12; |
| } |
| |
| void dp_dio_fixed_vs_pe_retimer_exit_manual_automation(struct dc_link *link) |
| { |
| const uint8_t dp_type = dp_dio_fixed_vs_pe_retimer_lane_cfg_to_hw_cfg(link); |
| const uint8_t vendor_lttpr_exit_manual_automation_0[4] = {0x1, 0x11, 0x0, 0x06}; |
| const uint8_t vendor_lttpr_exit_manual_automation_1[4] = {0x1, 0x50, dp_type, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_2[4] = {0x1, 0x50, 0x50, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_3[4] = {0x1, 0x51, 0x50, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_4[4] = {0x1, 0x10, 0x58, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_5[4] = {0x1, 0x10, 0x59, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_6[4] = {0x1, 0x30, 0x51, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_7[4] = {0x1, 0x30, 0x52, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_8[4] = {0x1, 0x30, 0x54, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_9[4] = {0x1, 0x30, 0x55, 0x0}; |
| |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_0[0], sizeof(vendor_lttpr_exit_manual_automation_0)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_1[0], sizeof(vendor_lttpr_exit_manual_automation_1)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_2[0], sizeof(vendor_lttpr_exit_manual_automation_2)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_3[0], sizeof(vendor_lttpr_exit_manual_automation_3)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_4[0], sizeof(vendor_lttpr_exit_manual_automation_4)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_5[0], sizeof(vendor_lttpr_exit_manual_automation_5)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_6[0], sizeof(vendor_lttpr_exit_manual_automation_6)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_7[0], sizeof(vendor_lttpr_exit_manual_automation_7)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_8[0], sizeof(vendor_lttpr_exit_manual_automation_8)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_9[0], sizeof(vendor_lttpr_exit_manual_automation_9)); |
| } |
| |
| static bool set_dio_fixed_vs_pe_retimer_dp_link_test_pattern_override(struct dc_link *link, |
| const struct link_resource *link_res, struct encoder_set_dp_phy_pattern_param *tp_params, |
| const struct link_hwss *link_hwss) |
| { |
| struct encoder_set_dp_phy_pattern_param hw_tp_params = { 0 }; |
| const uint8_t pltpat_custom[10] = {0x1F, 0x7C, 0xF0, 0xC1, 0x07, 0x1F, 0x7C, 0xF0, 0xC1, 0x07}; |
| const uint8_t vendor_lttpr_write_data_pg0[4] = {0x1, 0x11, 0x0, 0x0}; |
| const uint8_t vendor_lttpr_exit_manual_automation_0[4] = {0x1, 0x11, 0x0, 0x06}; |
| |
| |
| if (tp_params == NULL) |
| return false; |
| |
| if (link->current_test_pattern >= DP_TEST_PATTERN_SQUARE_BEGIN && |
| link->current_test_pattern <= DP_TEST_PATTERN_SQUARE_END) { |
| // Deprogram overrides from previous test pattern |
| dp_dio_fixed_vs_pe_retimer_exit_manual_automation(link); |
| } |
| |
| switch (tp_params->dp_phy_pattern) { |
| case DP_TEST_PATTERN_80BIT_CUSTOM: |
| if (tp_params->custom_pattern_size == 0 || memcmp(tp_params->custom_pattern, |
| pltpat_custom, tp_params->custom_pattern_size) != 0) |
| return false; |
| break; |
| case DP_TEST_PATTERN_D102: |
| break; |
| default: |
| if (link->current_test_pattern == DP_TEST_PATTERN_80BIT_CUSTOM || |
| link->current_test_pattern == DP_TEST_PATTERN_D102) |
| // Deprogram overrides from previous test pattern |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_exit_manual_automation_0[0], |
| sizeof(vendor_lttpr_exit_manual_automation_0)); |
| |
| return false; |
| } |
| |
| hw_tp_params.dp_phy_pattern = tp_params->dp_phy_pattern; |
| hw_tp_params.dp_panel_mode = tp_params->dp_panel_mode; |
| |
| if (link_hwss->ext.set_dp_link_test_pattern) |
| link_hwss->ext.set_dp_link_test_pattern(link, link_res, &hw_tp_params); |
| |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_write_data_pg0[0], sizeof(vendor_lttpr_write_data_pg0)); |
| |
| return true; |
| } |
| |
| static void set_dio_fixed_vs_pe_retimer_dp_link_test_pattern(struct dc_link *link, |
| const struct link_resource *link_res, |
| struct encoder_set_dp_phy_pattern_param *tp_params) |
| { |
| struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link); |
| |
| if (!set_dio_fixed_vs_pe_retimer_dp_link_test_pattern_override( |
| link, link_res, tp_params, get_dio_link_hwss())) { |
| link_enc->funcs->dp_set_phy_pattern(link_enc, tp_params); |
| } |
| link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN); |
| } |
| |
| void enable_dio_fixed_vs_pe_retimer_program_4lane_output(struct dc_link *link) |
| { |
| const uint8_t vendor_lttpr_write_data_4lane_1[4] = {0x1, 0x6E, 0xF2, 0x19}; |
| const uint8_t vendor_lttpr_write_data_4lane_2[4] = {0x1, 0x6B, 0xF2, 0x01}; |
| const uint8_t vendor_lttpr_write_data_4lane_3[4] = {0x1, 0x6D, 0xF2, 0x18}; |
| const uint8_t vendor_lttpr_write_data_4lane_4[4] = {0x1, 0x6C, 0xF2, 0x03}; |
| const uint8_t vendor_lttpr_write_data_4lane_5[4] = {0x1, 0x03, 0xF3, 0x06}; |
| |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_write_data_4lane_1[0], sizeof(vendor_lttpr_write_data_4lane_1)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_write_data_4lane_2[0], sizeof(vendor_lttpr_write_data_4lane_2)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_write_data_4lane_3[0], sizeof(vendor_lttpr_write_data_4lane_3)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_write_data_4lane_4[0], sizeof(vendor_lttpr_write_data_4lane_4)); |
| link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc, |
| &vendor_lttpr_write_data_4lane_5[0], sizeof(vendor_lttpr_write_data_4lane_5)); |
| } |
| |
| static void enable_dio_fixed_vs_pe_retimer_dp_link_output(struct dc_link *link, |
| const struct link_resource *link_res, |
| enum signal_type signal, |
| enum clock_source_id clock_source, |
| const struct dc_link_settings *link_settings) |
| { |
| if (link_settings->lane_count == LANE_COUNT_FOUR) |
| enable_dio_fixed_vs_pe_retimer_program_4lane_output(link); |
| |
| enable_dio_dp_link_output(link, link_res, signal, clock_source, link_settings); |
| } |
| |
| static const struct link_hwss dio_fixed_vs_pe_retimer_link_hwss = { |
| .setup_stream_encoder = setup_dio_stream_encoder, |
| .reset_stream_encoder = reset_dio_stream_encoder, |
| .setup_stream_attribute = setup_dio_stream_attribute, |
| .disable_link_output = disable_dio_link_output, |
| .setup_audio_output = setup_dio_audio_output, |
| .enable_audio_packet = enable_dio_audio_packet, |
| .disable_audio_packet = disable_dio_audio_packet, |
| .ext = { |
| .set_throttled_vcp_size = set_dio_throttled_vcp_size, |
| .enable_dp_link_output = enable_dio_fixed_vs_pe_retimer_dp_link_output, |
| .set_dp_link_test_pattern = set_dio_fixed_vs_pe_retimer_dp_link_test_pattern, |
| .set_dp_lane_settings = set_dio_dp_lane_settings, |
| .update_stream_allocation_table = update_dio_stream_allocation_table, |
| }, |
| }; |
| |
| bool requires_fixed_vs_pe_retimer_dio_link_hwss(const struct dc_link *link) |
| { |
| if (!(link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)) |
| return false; |
| |
| if (!link->dpcd_caps.lttpr_caps.main_link_channel_coding.bits.DP_128b_132b_SUPPORTED) |
| return false; |
| |
| return true; |
| } |
| |
| const struct link_hwss *get_dio_fixed_vs_pe_retimer_link_hwss(void) |
| { |
| return &dio_fixed_vs_pe_retimer_link_hwss; |
| } |