arch/loongarch/include/asm/acpi.h

   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/suspend.h>
  12
  13 #ifdef CONFIG_ACPI
  14 extern int acpi_strict;
  15 extern int acpi_disabled;
  16 extern int acpi_pci_disabled;
  17 extern int acpi_noirq;
  18 extern int pptt_enabled;
  19
  20 #define acpi_os_ioremap acpi_os_ioremap
  21 void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);
  22
  23 static inline void disable_acpi(void)
  24 {
  25         acpi_disabled = 1;
  26         acpi_pci_disabled = 1;
  27         acpi_noirq = 1;
  28 }
  29
  30 static inline bool acpi_has_cpu_in_madt(void)
  31 {
  32         return true;
  33 }
  34
  35 #define MAX_CORE_PIC 256
  36
  37 extern struct list_head acpi_wakeup_device_list;
  38 extern struct acpi_madt_core_pic acpi_core_pic[MAX_CORE_PIC];
  39
  40 extern int __init parse_acpi_topology(void);
  41
  42 static inline u32 get_acpi_id_for_cpu(unsigned int cpu)
  43 {
  44         return acpi_core_pic[cpu_logical_map(cpu)].processor_id;
  45 }
  46
  47 #endif /* !CONFIG_ACPI */
  48
  49 #define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT
  50
  51 extern int loongarch_acpi_suspend(void);
  52 extern int (*acpi_suspend_lowlevel)(void);
  53
  54 static inline unsigned long acpi_get_wakeup_address(void)
  55 {
  56 #ifdef CONFIG_SUSPEND
  57         return (unsigned long)loongarch_wakeup_start;
  58 #endif
  59         return 0UL;
  60 }
  61
  62 #endif /* _ASM_LOONGARCH_ACPI_H */