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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _DP_POWER_H_
#define _DP_POWER_H_
#include "dp_parser.h"
/**
* sruct dp_power - DisplayPort's power related data
*
* @init: initializes the regulators/core clocks/GPIOs/pinctrl
* @deinit: turns off the regulators/core clocks/GPIOs/pinctrl
* @clk_enable: enable/disable the DP clocks
* @set_pixel_clk_parent: set the parent of DP pixel clock
*/
struct dp_power {
bool core_clks_on;
bool link_clks_on;
bool stream_clks_on;
};
/**
* dp_power_init() - enable power supplies for display controller
*
* @power: instance of power module
* @flip: bool for flipping gpio direction
* return: 0 if success or error if failure.
*
* This API will turn on the regulators and configures gpio's
* aux/hpd.
*/
int dp_power_init(struct dp_power *power, bool flip);
/**
* dp_power_deinit() - turn off regulators and gpios.
*
* @power: instance of power module
* return: 0 for success
*
* This API turns off power and regulators.
*/
int dp_power_deinit(struct dp_power *power);
/**
* dp_power_clk_status() - display controller clocks status
*
* @power: instance of power module
* @pm_type: type of pm, core/ctrl/phy
* return: status of power clocks
*
* This API return status of DP clocks
*/
int dp_power_clk_status(struct dp_power *dp_power, enum dp_pm_type pm_type);
/**
* dp_power_clk_enable() - enable display controller clocks
*
* @power: instance of power module
* @pm_type: type of pm, core/ctrl/phy
* @enable: enables or disables
* return: pointer to allocated power module data
*
* This API will call setrate and enable for DP clocks
*/
int dp_power_clk_enable(struct dp_power *power, enum dp_pm_type pm_type,
bool enable);
/**
* dp_power_client_init() - initialize clock and regulator modules
*
* @power: instance of power module
* return: 0 for success, error for failure.
*
* This API will configure the DisplayPort's clocks and regulator
* modules.
*/
int dp_power_client_init(struct dp_power *power);
/**
* dp_power_clinet_deinit() - de-initialize clock and regulator modules
*
* @power: instance of power module
* return: 0 for success, error for failure.
*
* This API will de-initialize the DisplayPort's clocks and regulator
* modueles.
*/
void dp_power_client_deinit(struct dp_power *power);
/**
* dp_power_get() - configure and get the DisplayPort power module data
*
* @parser: instance of parser module
* return: pointer to allocated power module data
*
* This API will configure the DisplayPort's power module and provides
* methods to be called by the client to configure the power related
* modueles.
*/
struct dp_power *dp_power_get(struct dp_parser *parser);
#endif /* _DP_POWER_H_ */
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