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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/loongarch/include/asm/acpi.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/*

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 * Author: Jianmin Lv <[email protected]>

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 *         Huacai Chen <[email protected]>

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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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#include <asm/smp.h>

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#include <asm/suspend.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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extern int pptt_enabled;

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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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#define MAX_CORE_PIC 2048

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extern struct list_head acpi_wakeup_device_list;

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extern struct acpi_madt_core_pic acpi_core_pic[MAX_CORE_PIC];

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extern int __init parse_acpi_topology(void);

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static inline u32 get_acpi_id_for_cpu(unsigned int cpu)

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{

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	return acpi_core_pic[cpu_logical_map(cpu)].processor_id;

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}

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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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static inline unsigned long acpi_get_wakeup_address(void)

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{

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#ifdef CONFIG_SUSPEND

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	return (unsigned long)loongarch_wakeup_start;

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#endif

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	return 0UL;

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}

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#endif /* _ASM_LOONGARCH_ACPI_H */

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