1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2020 Loongson Technology Corporation Limited 4 * Author: Jianmin Lv <lvjianmin@loongson.cn> 5 * Huacai Chen <chenhuacai@loongson.cn> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 #ifndef _ASM_LOONGARCH_ACPI_H 13 #define _ASM_LOONGARCH_ACPI_H 14 15 #ifdef CONFIG_ACPI 16 extern int acpi_strict; 17 extern int acpi_disabled; 18 extern int acpi_pci_disabled; 19 extern int acpi_noirq; 20 extern int pptt_enabled; 21 22 #define acpi_os_ioremap acpi_os_ioremap 23 void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size); 24 disable_acpi(void)25static inline void disable_acpi(void) 26 { 27 acpi_disabled = 1; 28 acpi_pci_disabled = 1; 29 acpi_noirq = 1; 30 } 31 acpi_has_cpu_in_madt(void)32static inline bool acpi_has_cpu_in_madt(void) 33 { 34 return true; 35 } 36 37 #define MAX_CORE_PIC 256 38 39 extern struct list_head acpi_wakeup_device_list; 40 extern struct acpi_madt_core_pic acpi_core_pic[MAX_CORE_PIC]; 41 42 extern int __init parse_acpi_topology(void); 43 get_acpi_id_for_cpu(unsigned int cpu)44static inline u32 get_acpi_id_for_cpu(unsigned int cpu) 45 { 46 return acpi_core_pic[cpu_logical_map(cpu)].processor_id; 47 } 48 49 #endif /* !CONFIG_ACPI */ 50 51 #define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT 52 53 extern int loongarch_acpi_suspend(void); 54 extern int (*acpi_suspend_lowlevel)(void); 55 extern void loongarch_suspend_enter(void); 56 acpi_get_wakeup_address(void)57static inline unsigned long acpi_get_wakeup_address(void) 58 { 59 #ifdef CONFIG_SUSPEND 60 extern void loongarch_wakeup_start(void); 61 return (unsigned long)loongarch_wakeup_start; 62 #endif 63 return 0UL; 64 } 65 66 #endif /* _ASM_LOONGARCH_ACPI_H */ 67