linux/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_dscl.c

/*
 * Copyright 2016 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 "dm_services.h"

#include "core_types.h"

#include "reg_helper.h"
#include "dcn10/dcn10_dpp.h"
#include "basics/conversion.h"


#define NUM_PHASES …
#define HORZ_MAX_TAPS …
#define VERT_MAX_TAPS …

#define BLACK_OFFSET_RGB_Y …
#define BLACK_OFFSET_CBCR …


#define REG(reg) …

#define CTX …

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

enum dcn10_coef_filter_type_sel { … };

enum dscl_autocal_mode { … };

enum dscl_mode_sel { … };

static int dpp1_dscl_get_pixel_depth_val(enum lb_pixel_depth depth)
{ … }

static bool dpp1_dscl_is_video_format(enum pixel_format format)
{ … }

static bool dpp1_dscl_is_420_format(enum pixel_format format)
{ … }

static enum dscl_mode_sel dpp1_dscl_get_dscl_mode(
		struct dpp *dpp_base,
		const struct scaler_data *data,
		bool dbg_always_scale)
{ … }

static void dpp1_power_on_dscl(
	struct dpp *dpp_base,
	bool power_on)
{ … }


static void dpp1_dscl_set_lb(
	struct dcn10_dpp *dpp,
	const struct line_buffer_params *lb_params,
	enum lb_memory_config mem_size_config)
{ … }

static const uint16_t *dpp1_dscl_get_filter_coeffs_64p(int taps, struct fixed31_32 ratio)
{ … }

static void dpp1_dscl_set_scaler_filter(
		struct dcn10_dpp *dpp,
		uint32_t taps,
		enum dcn10_coef_filter_type_sel filter_type,
		const uint16_t *filter)
{ … }

static void dpp1_dscl_set_scl_filter(
		struct dcn10_dpp *dpp,
		const struct scaler_data *scl_data,
		bool chroma_coef_mode)
{ … }

static int dpp1_dscl_get_lb_depth_bpc(enum lb_pixel_depth depth)
{ … }

void dpp1_dscl_calc_lb_num_partitions(
		const struct scaler_data *scl_data,
		enum lb_memory_config lb_config,
		int *num_part_y,
		int *num_part_c)
{ … }

bool dpp1_dscl_is_lb_conf_valid(int ceil_vratio, int num_partitions, int vtaps)
{ … }

/*find first match configuration which meets the min required lb size*/
static enum lb_memory_config dpp1_dscl_find_lb_memory_config(struct dcn10_dpp *dpp,
		const struct scaler_data *scl_data)
{ … }


static void dpp1_dscl_set_manual_ratio_init(
		struct dcn10_dpp *dpp, const struct scaler_data *data)
{ … }

/**
 * dpp1_dscl_set_recout - Set the first pixel of RECOUT in the OTG active area
 *
 * @dpp: DPP data struct
 * @recout: Rectangle information
 *
 * This function sets the MPC RECOUT_START and RECOUT_SIZE registers based on
 * the values specified in the recount parameter.
 *
 * Note: This function only have effect if AutoCal is disabled.
 */
static void dpp1_dscl_set_recout(struct dcn10_dpp *dpp,
				 const struct rect *recout)
{ … }

/**
 * dpp1_dscl_set_scaler_manual_scale - Manually program scaler and line buffer
 *
 * @dpp_base: High level DPP struct
 * @scl_data: scalaer_data info
 *
 * This is the primary function to program scaler and line buffer in manual
 * scaling mode. To execute the required operations for manual scale, we need
 * to disable AutoCal first.
 */
void dpp1_dscl_set_scaler_manual_scale(struct dpp *dpp_base,
				       const struct scaler_data *scl_data)
{ … }