97fb5e8d9b
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 and only version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 294 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
78 lines
2 KiB
C
78 lines
2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015, 2017-2018, The Linux Foundation. All rights reserved.
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*/
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#ifndef __QCOM_GDSC_H__
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#define __QCOM_GDSC_H__
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#include <linux/err.h>
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#include <linux/pm_domain.h>
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struct regmap;
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struct reset_controller_dev;
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/**
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* struct gdsc - Globally Distributed Switch Controller
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* @pd: generic power domain
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* @regmap: regmap for MMIO accesses
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* @gdscr: gsdc control register
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* @gds_hw_ctrl: gds_hw_ctrl register
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* @cxcs: offsets of branch registers to toggle mem/periph bits in
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* @cxc_count: number of @cxcs
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* @pwrsts: Possible powerdomain power states
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* @resets: ids of resets associated with this gdsc
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* @reset_count: number of @resets
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* @rcdev: reset controller
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*/
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struct gdsc {
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struct generic_pm_domain pd;
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struct generic_pm_domain *parent;
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struct regmap *regmap;
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unsigned int gdscr;
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unsigned int gds_hw_ctrl;
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unsigned int clamp_io_ctrl;
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unsigned int *cxcs;
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unsigned int cxc_count;
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const u8 pwrsts;
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/* Powerdomain allowable state bitfields */
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#define PWRSTS_OFF BIT(0)
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#define PWRSTS_RET BIT(1)
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#define PWRSTS_ON BIT(2)
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#define PWRSTS_OFF_ON (PWRSTS_OFF | PWRSTS_ON)
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#define PWRSTS_RET_ON (PWRSTS_RET | PWRSTS_ON)
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const u8 flags;
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#define VOTABLE BIT(0)
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#define CLAMP_IO BIT(1)
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#define HW_CTRL BIT(2)
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#define SW_RESET BIT(3)
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#define AON_RESET BIT(4)
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#define POLL_CFG_GDSCR BIT(5)
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#define ALWAYS_ON BIT(6)
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struct reset_controller_dev *rcdev;
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unsigned int *resets;
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unsigned int reset_count;
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};
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struct gdsc_desc {
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struct device *dev;
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struct gdsc **scs;
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size_t num;
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};
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#ifdef CONFIG_QCOM_GDSC
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int gdsc_register(struct gdsc_desc *desc, struct reset_controller_dev *,
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struct regmap *);
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void gdsc_unregister(struct gdsc_desc *desc);
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#else
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static inline int gdsc_register(struct gdsc_desc *desc,
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struct reset_controller_dev *rcdev,
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struct regmap *r)
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{
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return -ENOSYS;
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}
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static inline void gdsc_unregister(struct gdsc_desc *desc) {};
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#endif /* CONFIG_QCOM_GDSC */
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#endif /* __QCOM_GDSC_H__ */
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