linux/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_stream_encoder.c

/* SPDX-License-Identifier: MIT */
/*
 * 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.
 *
 */


#include "dc_bios_types.h"
#include "dcn30/dcn30_dio_stream_encoder.h"
#include "dcn314/dcn314_dio_stream_encoder.h"
#include "dcn32/dcn32_dio_stream_encoder.h"
#include "dcn35_dio_stream_encoder.h"
#include "reg_helper.h"
#include "hw_shared.h"
#include "link.h"
#include "dpcd_defs.h"

#define DC_LOGGER …

#define REG(reg) …

#undef FN
#define FN(reg_name, field_name) …

#define VBI_LINE_0 …
#define HDMI_CLOCK_CHANNEL_RATE_MORE_340M …

#define CTX …
/* setup stream encoder in dvi mode */
static void enc35_stream_encoder_dvi_set_stream_attribute(
	struct stream_encoder *enc,
	struct dc_crtc_timing *crtc_timing,
	bool is_dual_link)
{ … }
/* setup stream encoder in hdmi mode */
static void enc35_stream_encoder_hdmi_set_stream_attribute(
	struct stream_encoder *enc,
	struct dc_crtc_timing *crtc_timing,
	int actual_pix_clk_khz,
	bool enable_audio)
{ … }



static void enc35_stream_encoder_enable(
	struct stream_encoder *enc,
	enum signal_type signal,
	bool enable)
{ … }

static bool is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
{ … }

static void enc35_stream_encoder_dp_unblank(
		struct dc_link *link,
		struct stream_encoder *enc,
		const struct encoder_unblank_param *param)
{ … }

static void enc35_stream_encoder_map_to_link(
		struct stream_encoder *enc,
		uint32_t stream_enc_inst,
		uint32_t link_enc_inst)
{ … }

static void enc35_reset_fifo(struct stream_encoder *enc, bool reset)
{ … }

void enc35_disable_fifo(struct stream_encoder *enc)
{ … }

void enc35_enable_fifo(struct stream_encoder *enc)
{ … }

static const struct stream_encoder_funcs dcn35_str_enc_funcs = …;

void dcn35_dio_stream_encoder_construct(
	struct dcn10_stream_encoder *enc1,
	struct dc_context *ctx,
	struct dc_bios *bp,
	enum engine_id eng_id,
	struct vpg *vpg,
	struct afmt *afmt,
	const struct dcn10_stream_enc_registers *regs,
	const struct dcn10_stream_encoder_shift *se_shift,
	const struct dcn10_stream_encoder_mask *se_mask)
{ … }