6092206a12
This change adds the support to request the dp link clk rate through the mmrm driver. In the case the system can not support the rate, user space is notified of the failure and dp is diconnected. Change-Id: I4a074054ce42425ca940d4aec505723724736b44 Signed-off-by: Christina Oliveira <coliveir@codeaurora.org>
63 خطوط
2.1 KiB
C
63 خطوط
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DP_POWER_H_
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#define _DP_POWER_H_
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#include "dp_parser.h"
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#include "dp_pll.h"
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#include "sde_power_handle.h"
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/**
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* sruct dp_power - DisplayPort's power related data
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*
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* @init: initializes the regulators/core clocks/GPIOs/pinctrl
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* @deinit: turns off the regulators/core clocks/GPIOs/pinctrl
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* @clk_enable: enable/disable the DP clocks
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* @set_pixel_clk_parent: set the parent of DP pixel clock
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* @clk_get_rate: get the current rate for provided clk_name
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* @power_client_init: configures clocks and regulators
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* @power_client_deinit: frees clock and regulator resources
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* @power_mmrm_init: configures mmrm client registration
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*/
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struct dp_power {
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struct drm_device *drm_dev;
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struct sde_power_handle *phandle;
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int (*init)(struct dp_power *power, bool flip);
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int (*deinit)(struct dp_power *power);
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int (*clk_enable)(struct dp_power *power, enum dp_pm_type pm_type,
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bool enable);
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int (*set_pixel_clk_parent)(struct dp_power *power, u32 stream_id);
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u64 (*clk_get_rate)(struct dp_power *power, char *clk_name);
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int (*power_client_init)(struct dp_power *power,
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struct sde_power_handle *phandle,
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struct drm_device *drm_dev);
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void (*power_client_deinit)(struct dp_power *power);
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int (*power_mmrm_init)(struct dp_power *power,
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struct sde_power_handle *phandle, void *dp,
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int (*dp_display_mmrm_callback)(struct mmrm_client_notifier_data *notifier_data));
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};
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/**
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* dp_power_get() - configure and get the DisplayPort power module data
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*
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* @parser: instance of parser module
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* @pll: instance of pll module
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* return: pointer to allocated power module data
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*
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* This API will configure the DisplayPort's power module and provides
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* methods to be called by the client to configure the power related
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* modueles.
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*/
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struct dp_power *dp_power_get(struct dp_parser *parser, struct dp_pll *pll);
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/**
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* dp_power_put() - release the power related resources
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*
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* @power: pointer to the power module's data
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*/
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void dp_power_put(struct dp_power *power);
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#endif /* _DP_POWER_H_ */
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