3709853456
This change brings msm display driver including sde, dp, dsi, rotator, dsi pll and dp pll from base 4.19 kernel project. It is first source code snapshot from base kernel project. Change-Id: Iec864c064ce5ea04e170f24414c728684002f284 Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DSI_PWR_H_
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#define _DSI_PWR_H_
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/types.h>
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#include <linux/regulator/consumer.h>
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struct dsi_parser_utils;
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/**
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* struct dsi_vreg - regulator information for DSI regulators
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* @vreg: Handle to the regulator.
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* @vreg_name: Regulator name.
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* @min_voltage: Minimum voltage in uV.
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* @max_voltage: Maximum voltage in uV.
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* @enable_load: Load, in uA, when enabled.
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* @disable_load: Load, in uA, when disabled.
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* @pre_on_sleep: Sleep, in ms, before enabling the regulator.
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* @post_on_sleep: Sleep, in ms, after enabling the regulator.
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* @pre_off_sleep: Sleep, in ms, before disabling the regulator.
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* @post_off_sleep: Sleep, in ms, after disabling the regulator.
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*/
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struct dsi_vreg {
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struct regulator *vreg;
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char vreg_name[32];
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u32 min_voltage;
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u32 max_voltage;
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u32 enable_load;
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u32 disable_load;
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u32 pre_on_sleep;
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u32 post_on_sleep;
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u32 pre_off_sleep;
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u32 post_off_sleep;
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};
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/**
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* struct dsi_regulator_info - set of vregs that are turned on/off together.
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* @vregs: Array of dsi_vreg structures.
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* @count: Number of vregs.
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* @refcount: Reference counting for enabling.
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*/
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struct dsi_regulator_info {
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struct dsi_vreg *vregs;
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u32 count;
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u32 refcount;
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};
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/**
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* dsi_pwr_of_get_vreg_data - parse regulator supply information
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* @of_node: Device of node to parse for supply information.
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* @regs: Pointer where regulator information will be copied to.
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* @supply_name: Name of the supply node.
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*
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* return: error code in case of failure or 0 for success.
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*/
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int dsi_pwr_of_get_vreg_data(struct dsi_parser_utils *utils,
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struct dsi_regulator_info *regs,
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char *supply_name);
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/**
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* dsi_pwr_get_dt_vreg_data - parse regulator supply information
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* @dev: Device whose of_node needs to be parsed.
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* @regs: Pointer where regulator information will be copied to.
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* @supply_name: Name of the supply node.
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*
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* return: error code in case of failure or 0 for success.
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*/
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int dsi_pwr_get_dt_vreg_data(struct device *dev,
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struct dsi_regulator_info *regs,
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char *supply_name);
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/**
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* dsi_pwr_enable_regulator() - enable a set of regulators
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* @regs: Pointer to set of regulators to enable or disable.
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* @enable: Enable/Disable regulators.
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*
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* return: error code in case of failure or 0 for success.
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*/
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int dsi_pwr_enable_regulator(struct dsi_regulator_info *regs, bool enable);
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#endif /* _DSI_PWR_H_ */
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