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 #include <asm/smp.h>
  12 #include <asm/suspend.h>
  13
  14 #ifdef CONFIG_ACPI
  15 extern int acpi_strict;
  16 extern int acpi_disabled;
  17 extern int acpi_pci_disabled;
  18 extern int acpi_noirq;
  19 extern int pptt_enabled;
  20
  21 #define acpi_os_ioremap acpi_os_ioremap
  22 void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);
  23
  24 static inline void disable_acpi(void)
  25 {
  26         acpi_disabled = 1;
  27         acpi_pci_disabled = 1;
  28         acpi_noirq = 1;
  29 }
  30
  31 static inline bool acpi_has_cpu_in_madt(void)
  32 {
  33         return true;
  34 }
  35
  36 #define MAX_CORE_PIC 256
  37
  38 extern struct list_head acpi_wakeup_device_list;
  39 extern struct acpi_madt_core_pic acpi_core_pic[MAX_CORE_PIC];
  40
  41 extern int __init parse_acpi_topology(void);
  42
  43 static 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
  52 extern int loongarch_acpi_suspend(void);
  53 extern int (*acpi_suspend_lowlevel)(void);
  54
  55 static 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 */