1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Author: Jianmin Lv <lvjianmin@loongson.cn>
4 *         Huacai Chen <chenhuacai@loongson.cn>
5 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
6 */
7
8#ifndef _ASM_LOONGARCH_ACPI_H
9#define _ASM_LOONGARCH_ACPI_H
10
11#include <asm/smp.h>
12#include <asm/suspend.h>
13
14#ifdef CONFIG_ACPI
15extern int acpi_strict;
16extern int acpi_disabled;
17extern int acpi_pci_disabled;
18extern int acpi_noirq;
19extern int pptt_enabled;
20
21#define acpi_os_ioremap acpi_os_ioremap
22void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);
23
24static inline void disable_acpi(void)
25{
26	acpi_disabled = 1;
27	acpi_pci_disabled = 1;
28	acpi_noirq = 1;
29}
30
31static inline bool acpi_has_cpu_in_madt(void)
32{
33	return true;
34}
35
36#define MAX_CORE_PIC 256
37
38extern struct list_head acpi_wakeup_device_list;
39extern struct acpi_madt_core_pic acpi_core_pic[MAX_CORE_PIC];
40
41extern int __init parse_acpi_topology(void);
42
43static inline u32 get_acpi_id_for_cpu(unsigned int cpu)
44{
45	return acpi_core_pic[cpu_logical_map(cpu)].processor_id;
46}
47
48#endif /* !CONFIG_ACPI */
49
50#define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT
51
52extern int loongarch_acpi_suspend(void);
53extern int (*acpi_suspend_lowlevel)(void);
54
55static inline unsigned long acpi_get_wakeup_address(void)
56{
57#ifdef CONFIG_SUSPEND
58	return (unsigned long)loongarch_wakeup_start;
59#endif
60	return 0UL;
61}
62
63#endif /* _ASM_LOONGARCH_ACPI_H */
64