linux/drivers/gpu/drm/amd/display/dc/dio/dcn20/dcn20_stream_encoder.c

/*
 * Copyright 2012-15 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 <linux/delay.h>

#include "dc_bios_types.h"
#include "dcn20_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 CTX …


static void enc2_update_hdmi_info_packet(
	struct dcn10_stream_encoder *enc1,
	uint32_t packet_index,
	const struct dc_info_packet *info_packet)
{ … }

static void enc2_stream_encoder_update_hdmi_info_packets(
	struct stream_encoder *enc,
	const struct encoder_info_frame *info_frame)
{ … }

static void enc2_stream_encoder_stop_hdmi_info_packets(
	struct stream_encoder *enc)
{ … }


/* Update GSP7 SDP 128 byte long */
static void enc2_update_gsp7_128_info_packet(
	struct dcn10_stream_encoder *enc1,
	const struct dc_info_packet_128 *info_packet,
	bool immediate_update)
{ … }

/* Set DSC-related configuration.
 *   dsc_mode: 0 disables DSC, other values enable DSC in specified format
 *   sc_bytes_per_pixel: Bytes per pixel in u3.28 format
 *   dsc_slice_width: Slice width in pixels
 */
static void enc2_dp_set_dsc_config(struct stream_encoder *enc,
					enum optc_dsc_mode dsc_mode,
					uint32_t dsc_bytes_per_pixel,
					uint32_t dsc_slice_width)
{ … }


static void enc2_dp_set_dsc_pps_info_packet(struct stream_encoder *enc,
					bool enable,
					uint8_t *dsc_packed_pps,
					bool immediate_update)
{ … }


/* this function read dsc related register fields to be logged later in dcn10_log_hw_state
 * into a dcn_dsc_state struct.
 */
static void enc2_read_state(struct stream_encoder *enc, struct enc_state *s)
{ … }

/* Set Dynamic Metadata-configuration.
 *   enable_dme:         TRUE: enables Dynamic Metadata Enfine, FALSE: disables DME
 *   hubp_requestor_id:  HUBP physical instance that is the source of dynamic metadata
 *                       only needs to be set when enable_dme is TRUE
 *   dmdata_mode:        dynamic metadata packet type: DP, HDMI, or Dolby Vision
 *
 *   Ensure the OTG master update lock is set when changing DME configuration.
 */
void enc2_set_dynamic_metadata(struct stream_encoder *enc,
		bool enable_dme,
		uint32_t hubp_requestor_id,
		enum dynamic_metadata_mode dmdata_mode)
{ … }

static void enc2_stream_encoder_update_dp_info_packets_sdp_line_num(
		struct stream_encoder *enc,
		struct encoder_info_frame *info_frame)
{ … }

static void enc2_stream_encoder_update_dp_info_packets(
	struct stream_encoder *enc,
	const struct encoder_info_frame *info_frame)
{ … }

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

void enc2_stream_encoder_dp_unblank(
		struct dc_link *link,
		struct stream_encoder *enc,
		const struct encoder_unblank_param *param)
{ … }

static void enc2_dp_set_odm_combine(
	struct stream_encoder *enc,
	bool odm_combine)
{ … }

void enc2_stream_encoder_dp_set_stream_attribute(
	struct stream_encoder *enc,
	struct dc_crtc_timing *crtc_timing,
	enum dc_color_space output_color_space,
	bool use_vsc_sdp_for_colorimetry,
	uint32_t enable_sdp_splitting)
{ … }

uint32_t enc2_get_fifo_cal_average_level(
		struct stream_encoder *enc)
{ … }

static const struct stream_encoder_funcs dcn20_str_enc_funcs = …;

void dcn20_stream_encoder_construct(
	struct dcn10_stream_encoder *enc1,
	struct dc_context *ctx,
	struct dc_bios *bp,
	enum engine_id eng_id,
	const struct dcn10_stream_enc_registers *regs,
	const struct dcn10_stream_encoder_shift *se_shift,
	const struct dcn10_stream_encoder_mask *se_mask)
{ … }