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https://github.com/hardkernel/kernel_common_drivers.git
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Xingxing Wang
b3fa479621
PD#SWPL-112969 Problem: t5m thermal params update Solution: align to t3 Verify: t5m Change-Id: I1e592cbd8e1ad39aa09fbef397b50ef919e07722 Signed-off-by: Xingxing Wang <xingxing.wang@amlogic.com>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __DDR_COOLING_H__
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#define __DDR_COOLING_H__
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#include <linux/thermal.h>
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#include <linux/amlogic/meson_cooldev.h>
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struct ddr_cooling_device {
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int id;
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struct thermal_cooling_device *cool_dev;
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u32 ddr_reg;
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void __iomem *vddr_reg;
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u32 ddr_status;
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u32 ddr_bits[2];
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u32 ddr_data[16];
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u32 ddr_bits_keep; /*for keep ddr reg val excepts change bits*/
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u32 last_state;
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struct list_head node;
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};
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#ifdef CONFIG_AMLOGIC_DDR_THERMAL
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struct thermal_cooling_device *ddr_cooling_register(struct device_node *np,
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struct cool_dev *cool);
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/**
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* ddr_cooling_unregister - function to remove ddr cooling device.
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* @cdev: thermal cooling device pointer.
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*/
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void ddr_cooling_unregister(struct thermal_cooling_device *cdev);
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#else
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static inline struct thermal_cooling_device *
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ddr_cooling_register(struct device_node *np,
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struct cool_dev *cool)
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{
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return NULL;
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}
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static inline
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void ddr_cooling_unregister(struct thermal_cooling_device *cdev)
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{
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}
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#endif
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#endif /* __DDR_COOLING_H__ */
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