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366bb35a8e
Add suspend (Suspend To RAM, aka ACPI S3) support for LoongArch. Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Author: Jianmin Lv <lvjianmin@loongson.cn>
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* Huacai Chen <chenhuacai@loongson.cn>
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef _ASM_LOONGARCH_ACPI_H
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#define _ASM_LOONGARCH_ACPI_H
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#ifdef CONFIG_ACPI
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extern int acpi_strict;
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extern int acpi_disabled;
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extern int acpi_pci_disabled;
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extern int acpi_noirq;
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#define acpi_os_ioremap acpi_os_ioremap
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void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);
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static inline void disable_acpi(void)
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{
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acpi_disabled = 1;
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acpi_pci_disabled = 1;
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acpi_noirq = 1;
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}
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static inline bool acpi_has_cpu_in_madt(void)
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{
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return true;
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}
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extern struct list_head acpi_wakeup_device_list;
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#endif /* !CONFIG_ACPI */
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#define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT
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extern int loongarch_acpi_suspend(void);
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extern int (*acpi_suspend_lowlevel)(void);
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extern void loongarch_suspend_enter(void);
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static inline unsigned long acpi_get_wakeup_address(void)
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{
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extern void loongarch_wakeup_start(void);
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return (unsigned long)loongarch_wakeup_start;
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}
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#endif /* _ASM_LOONGARCH_ACPI_H */
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