linux/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c

/*
 * Copyright 2019 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 "dmub_abm.h"
#include "dmub_abm_lcd.h"
#include "dce_abm.h"
#include "dc.h"
#include "dc_dmub_srv.h"
#include "dmub/dmub_srv.h"
#include "core_types.h"
#include "dm_services.h"
#include "reg_helper.h"
#include "fixed31_32.h"

#include "atom.h"

#define TO_DMUB_ABM(abm) …

#define REG(reg) …

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

#define CTX …

#define DISABLE_ABM_IMMEDIATELY …



static void dmub_abm_enable_fractional_pwm(struct dc_context *dc)
{ … }

void dmub_abm_init(struct abm *abm, uint32_t backlight, uint32_t user_level)
{ … }

unsigned int dmub_abm_get_current_backlight(struct abm *abm)
{ … }

unsigned int dmub_abm_get_target_backlight(struct abm *abm)
{ … }

bool dmub_abm_set_level(struct abm *abm, uint32_t level, uint8_t panel_mask)
{ … }

void dmub_abm_init_config(struct abm *abm,
	const char *src,
	unsigned int bytes,
	unsigned int inst)
{ … }

bool dmub_abm_set_pause(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst)
{ … }


/*****************************************************************************
 *  dmub_abm_save_restore() - dmub interface for abm save+pause and restore+
 *                           un-pause
 *  @dc: dc context
 *  @panel_inst: panel instance index
 *  @pData: contains command to pause/un-pause abm and exchange abm parameters
 *
 *  When called Pause will get abm data and store in pData, and un-pause will
 *  set/apply abm data stored in pData.
 *
 *****************************************************************************/
bool dmub_abm_save_restore(
		struct dc_context *dc,
		unsigned int panel_inst,
		struct abm_save_restore *pData)
{ … }

bool dmub_abm_set_pipe(struct abm *abm,
		uint32_t otg_inst,
		uint32_t option,
		uint32_t panel_inst,
		uint32_t pwrseq_inst)
{ … }

bool dmub_abm_set_backlight_level(struct abm *abm,
		unsigned int backlight_pwm_u16_16,
		unsigned int frame_ramp,
		unsigned int panel_inst)
{ … }

bool dmub_abm_set_event(struct abm *abm, unsigned int scaling_enable, unsigned int scaling_strength_map,
		unsigned int panel_inst)
{ … }