/* 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 * modules. */ 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 * modules. */ struct dp_power *dp_power_get(struct device *dev, struct dp_parser *parser); #endif /* _DP_POWER_H_ */