49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/*
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* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __LINUX_POWER_QCOM_APM_H__
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#define __LINUX_POWER_QCOM_APM_H__
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#include <linux/device.h>
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#include <linux/err.h>
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/**
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* enum msm_apm_supply - supported power rails to supply memory arrays
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* %MSM_APM_SUPPLY_APCC: to enable selection of VDD_APCC rail as supply
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* %MSM_APM_SUPPLY_MX: to enable selection of VDD_MX rail as supply
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*/
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enum msm_apm_supply {
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MSM_APM_SUPPLY_APCC,
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MSM_APM_SUPPLY_MX,
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};
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/* Handle used to identify an APM controller device */
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struct msm_apm_ctrl_dev;
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#ifdef CONFIG_MSM_APM
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struct msm_apm_ctrl_dev *msm_apm_ctrl_dev_get(struct device *dev);
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int msm_apm_set_supply(struct msm_apm_ctrl_dev *ctrl_dev,
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enum msm_apm_supply supply);
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int msm_apm_get_supply(struct msm_apm_ctrl_dev *ctrl_dev);
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#else
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static inline struct msm_apm_ctrl_dev *msm_apm_ctrl_dev_get(struct device *dev)
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{ return ERR_PTR(-EPERM); }
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static inline int msm_apm_set_supply(struct msm_apm_ctrl_dev *ctrl_dev,
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enum msm_apm_supply supply)
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{ return -EPERM; }
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static inline int msm_apm_get_supply(struct msm_apm_ctrl_dev *ctrl_dev);
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{ return -EPERM; }
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#endif
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#endif
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