arch/loongarch/include/asm/acpi.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Author: Jianmin Lv <[email protected]>
   4  *         Huacai Chen <[email protected]>
   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 #ifdef CONFIG_ACPI
  12 extern int acpi_strict;
  13 extern int acpi_disabled;
  14 extern int acpi_pci_disabled;
  15 extern int acpi_noirq;
  16
  17 #define acpi_os_ioremap acpi_os_ioremap
  18 void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);
  19
  20 static inline void disable_acpi(void)
  21 {
  22         acpi_disabled = 1;
  23         acpi_pci_disabled = 1;
  24         acpi_noirq = 1;
  25 }
  26
  27 static inline bool acpi_has_cpu_in_madt(void)
  28 {
  29         return true;
  30 }
  31
  32 extern struct list_head acpi_wakeup_device_list;
  33
  34 #endif /* !CONFIG_ACPI */
  35
  36 #define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT
  37
  38 extern int loongarch_acpi_suspend(void);
  39 extern int (*acpi_suspend_lowlevel)(void);
  40 extern void loongarch_suspend_enter(void);
  41
  42 static inline unsigned long acpi_get_wakeup_address(void)
  43 {
  44 #ifdef CONFIG_SUSPEND
  45         extern void loongarch_wakeup_start(void);
  46         return (unsigned long)loongarch_wakeup_start;
  47 #endif
  48         return 0UL;
  49 }
  50
  51 #endif /* _ASM_LOONGARCH_ACPI_H */