achware.h 3.6 KB

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  1. /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
  2. /******************************************************************************
  3. *
  4. * Name: achware.h -- hardware specific interfaces
  5. *
  6. * Copyright (C) 2000 - 2022, Intel Corp.
  7. *
  8. *****************************************************************************/
  9. #ifndef __ACHWARE_H__
  10. #define __ACHWARE_H__
  11. /* Values for the _SST predefined method */
  12. #define ACPI_SST_INDICATOR_OFF 0
  13. #define ACPI_SST_WORKING 1
  14. #define ACPI_SST_WAKING 2
  15. #define ACPI_SST_SLEEPING 3
  16. #define ACPI_SST_SLEEP_CONTEXT 4
  17. /*
  18. * hwacpi - high level functions
  19. */
  20. acpi_status acpi_hw_set_mode(u32 mode);
  21. u32 acpi_hw_get_mode(void);
  22. /*
  23. * hwregs - ACPI Register I/O
  24. */
  25. acpi_status
  26. acpi_hw_validate_register(struct acpi_generic_address *reg,
  27. u8 max_bit_width, u64 *address);
  28. acpi_status acpi_hw_read(u64 *value, struct acpi_generic_address *reg);
  29. acpi_status acpi_hw_write(u64 value, struct acpi_generic_address *reg);
  30. struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
  31. acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control);
  32. acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value);
  33. acpi_status acpi_hw_register_write(u32 register_id, u32 value);
  34. acpi_status acpi_hw_clear_acpi_status(void);
  35. /*
  36. * hwsleep - sleep/wake support (Legacy sleep registers)
  37. */
  38. acpi_status acpi_hw_legacy_sleep(u8 sleep_state);
  39. acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state);
  40. acpi_status acpi_hw_legacy_wake(u8 sleep_state);
  41. /*
  42. * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers)
  43. */
  44. void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument);
  45. acpi_status acpi_hw_extended_sleep(u8 sleep_state);
  46. acpi_status acpi_hw_extended_wake_prep(u8 sleep_state);
  47. acpi_status acpi_hw_extended_wake(u8 sleep_state);
  48. /*
  49. * hwvalid - Port I/O with validation
  50. */
  51. acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width);
  52. acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width);
  53. acpi_status acpi_hw_validate_io_block(u64 address, u32 bit_width, u32 count);
  54. /*
  55. * hwgpe - GPE support
  56. */
  57. acpi_status acpi_hw_gpe_read(u64 *value, struct acpi_gpe_address *reg);
  58. acpi_status acpi_hw_gpe_write(u64 value, struct acpi_gpe_address *reg);
  59. u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info);
  60. acpi_status
  61. acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action);
  62. acpi_status
  63. acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
  64. struct acpi_gpe_block_info *gpe_block, void *context);
  65. acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info);
  66. acpi_status
  67. acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
  68. struct acpi_gpe_block_info *gpe_block, void *context);
  69. acpi_status
  70. acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
  71. acpi_event_status *event_status);
  72. acpi_status acpi_hw_enable_all_runtime_gpes(void);
  73. acpi_status acpi_hw_enable_all_wakeup_gpes(void);
  74. u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number);
  75. acpi_status
  76. acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
  77. struct acpi_gpe_block_info *gpe_block,
  78. void *context);
  79. #ifdef ACPI_PCI_CONFIGURED
  80. /*
  81. * hwpci - PCI configuration support
  82. */
  83. acpi_status
  84. acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id,
  85. acpi_handle root_pci_device, acpi_handle pci_region);
  86. #else
  87. static inline acpi_status
  88. acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device,
  89. acpi_handle pci_region)
  90. {
  91. return AE_SUPPORT;
  92. }
  93. #endif
  94. #endif /* __ACHWARE_H__ */