/*
* Copyright 2022 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_hpo_dp.h"
#include "dm_helpers.h"
#include "core_types.h"
#include "dccg.h"
#include "clk_mgr.h"
#define DC_LOGGER link->ctx->logger
void set_hpo_dp_throttled_vcp_size(struct pipe_ctx *pipe_ctx,
struct fixed31_32 throttled_vcp_size)
{
struct hpo_dp_stream_encoder *hpo_dp_stream_encoder =
pipe_ctx->stream_res.hpo_dp_stream_enc;
struct hpo_dp_link_encoder *hpo_dp_link_encoder =
pipe_ctx->link_res.hpo_dp_link_enc;
hpo_dp_link_encoder->funcs->set_throttled_vcp_size(hpo_dp_link_encoder,
hpo_dp_stream_encoder->inst,
throttled_vcp_size);
}
void set_hpo_dp_hblank_min_symbol_width(struct pipe_ctx *pipe_ctx,
const struct dc_link_settings *link_settings,
struct fixed31_32 throttled_vcp_size)
{
struct hpo_dp_stream_encoder *hpo_dp_stream_encoder =
pipe_ctx->stream_res.hpo_dp_stream_enc;
struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
struct fixed31_32 h_blank_in_ms, time_slot_in_ms, mtp_cnt_per_h_blank;
uint32_t link_bw_in_kbps =
hpo_dp_stream_encoder->ctx->dc->link_srv->dp_link_bandwidth_kbps(
pipe_ctx->stream->link, link_settings);
uint16_t hblank_min_symbol_width = 0;
if (link_bw_in_kbps > 0) {
h_blank_in_ms = dc_fixpt_div(dc_fixpt_from_int(
timing->h_total - timing->h_addressable),
dc_fixpt_from_fraction(timing->pix_clk_100hz, 10));
time_slot_in_ms = dc_fixpt_from_fraction(32 * 4, link_bw_in_kbps);
mtp_cnt_per_h_blank = dc_fixpt_div(h_blank_in_ms,
dc_fixpt_mul_int(time_slot_in_ms, 64));
hblank_min_symbol_width = dc_fixpt_floor(
dc_fixpt_mul(mtp_cnt_per_h_blank, throttled_vcp_size));
}
hpo_dp_stream_encoder->funcs->set_hblank_min_symbol_width(hpo_dp_stream_encoder,
hblank_min_symbol_width);
}
void setup_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx)
{
struct hpo_dp_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
struct hpo_dp_link_encoder *link_enc = pipe_ctx->link_res.hpo_dp_link_enc;
stream_enc->funcs->enable_stream(stream_enc);
stream_enc->funcs->map_stream_to_link(stream_enc, stream_enc->inst, link_enc->inst);
}
void reset_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx)
{
struct hpo_dp_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
stream_enc->funcs->disable(stream_enc);
}
void setup_hpo_dp_stream_attribute(struct pipe_ctx *pipe_ctx)
{
struct hpo_dp_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
struct dc_stream_state *stream = pipe_ctx->stream;
struct dc_link *link = stream->link;
stream_enc->funcs->set_stream_attribute(
stream_enc,
&stream->timing,
stream->output_color_space,
stream->use_vsc_sdp_for_colorimetry,
stream->timing.flags.DSC,
false);
link->dc->link_srv->dp_trace_source_sequence(link,
DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR);
}
void enable_hpo_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_res->hpo_dp_link_enc) {
DC_LOG_ERROR("%s: invalid hpo_dp_link_enc\n", __func__);
return;
}
if (link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating)
link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating(
link->dc->res_pool->dccg,
link_res->hpo_dp_link_enc->inst,
true);
link_res->hpo_dp_link_enc->funcs->enable_link_phy(
link_res->hpo_dp_link_enc,
link_settings,
link->link_enc->transmitter,
link->link_enc->hpd_source);
}
void disable_hpo_dp_link_output(struct dc_link *link,
const struct link_resource *link_res,
enum signal_type signal)
{
if (!link_res->hpo_dp_link_enc) {
DC_LOG_ERROR("%s: invalid hpo_dp_link_enc\n", __func__);
return;
}
link_res->hpo_dp_link_enc->funcs->link_disable(link_res->hpo_dp_link_enc);
link_res->hpo_dp_link_enc->funcs->disable_link_phy(
link_res->hpo_dp_link_enc, signal);
if (link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating)
link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating(
link->dc->res_pool->dccg,
link_res->hpo_dp_link_enc->inst,
false);
}
static void set_hpo_dp_link_test_pattern(struct dc_link *link,
const struct link_resource *link_res,
struct encoder_set_dp_phy_pattern_param *tp_params)
{
link_res->hpo_dp_link_enc->funcs->set_link_test_pattern(
link_res->hpo_dp_link_enc, tp_params);
link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
}
static void set_hpo_dp_lane_settings(struct dc_link *link,
const struct link_resource *link_res,
const struct dc_link_settings *link_settings,
const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])
{
link_res->hpo_dp_link_enc->funcs->set_ffe(
link_res->hpo_dp_link_enc,
link_settings,
lane_settings[0].FFE_PRESET.raw);
}
void update_hpo_dp_stream_allocation_table(struct dc_link *link,
const struct link_resource *link_res,
const struct link_mst_stream_allocation_table *table)
{
link_res->hpo_dp_link_enc->funcs->update_stream_allocation_table(
link_res->hpo_dp_link_enc,
table);
}
void setup_hpo_dp_audio_output(struct pipe_ctx *pipe_ctx,
struct audio_output *audio_output, uint32_t audio_inst)
{
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_audio_setup(
pipe_ctx->stream_res.hpo_dp_stream_enc,
audio_inst,
&pipe_ctx->stream->audio_info);
}
void enable_hpo_dp_audio_packet(struct pipe_ctx *pipe_ctx)
{
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_audio_enable(
pipe_ctx->stream_res.hpo_dp_stream_enc);
}
void disable_hpo_dp_audio_packet(struct pipe_ctx *pipe_ctx)
{
if (pipe_ctx->stream_res.audio)
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_audio_disable(
pipe_ctx->stream_res.hpo_dp_stream_enc);
}
static const struct link_hwss hpo_dp_link_hwss = {
.setup_stream_encoder = setup_hpo_dp_stream_encoder,
.reset_stream_encoder = reset_hpo_dp_stream_encoder,
.setup_stream_attribute = setup_hpo_dp_stream_attribute,
.disable_link_output = disable_hpo_dp_link_output,
.setup_audio_output = setup_hpo_dp_audio_output,
.enable_audio_packet = enable_hpo_dp_audio_packet,
.disable_audio_packet = disable_hpo_dp_audio_packet,
.ext = {
.set_throttled_vcp_size = set_hpo_dp_throttled_vcp_size,
.set_hblank_min_symbol_width = set_hpo_dp_hblank_min_symbol_width,
.enable_dp_link_output = enable_hpo_dp_link_output,
.set_dp_link_test_pattern = set_hpo_dp_link_test_pattern,
.set_dp_lane_settings = set_hpo_dp_lane_settings,
.update_stream_allocation_table = update_hpo_dp_stream_allocation_table,
},
};
bool can_use_hpo_dp_link_hwss(const struct dc_link *link,
const struct link_resource *link_res)
{
return link_res->hpo_dp_link_enc != NULL;
}
const struct link_hwss *get_hpo_dp_link_hwss(void)
{
return &hpo_dp_link_hwss;
}
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