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/*
* 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;
}
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