| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 - 2019, Intel Corp. |
| 7 | * |
| 8 | *****************************************************************************/ |
| 9 | |
| 10 | #ifndef __ACHWARE_H__ |
| 11 | #define __ACHWARE_H__ |
| 12 | |
| 13 | /* Values for the _SST predefined method */ |
| 14 | |
| 15 | #define ACPI_SST_INDICATOR_OFF 0 |
| 16 | #define ACPI_SST_WORKING 1 |
| 17 | #define ACPI_SST_WAKING 2 |
| 18 | #define ACPI_SST_SLEEPING 3 |
| 19 | #define ACPI_SST_SLEEP_CONTEXT 4 |
| 20 | |
| 21 | /* |
| 22 | * hwacpi - high level functions |
| 23 | */ |
| 24 | acpi_status acpi_hw_set_mode(u32 mode); |
| 25 | |
| 26 | u32 acpi_hw_get_mode(void); |
| 27 | |
| 28 | /* |
| 29 | * hwregs - ACPI Register I/O |
| 30 | */ |
| 31 | acpi_status |
| 32 | acpi_hw_validate_register(struct acpi_generic_address *reg, |
| 33 | u8 max_bit_width, u64 *address); |
| 34 | |
| 35 | acpi_status acpi_hw_read(u64 *value, struct acpi_generic_address *reg); |
| 36 | |
| 37 | acpi_status acpi_hw_write(u64 value, struct acpi_generic_address *reg); |
| 38 | |
| 39 | struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); |
| 40 | |
| 41 | acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control); |
| 42 | |
| 43 | acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value); |
| 44 | |
| 45 | acpi_status acpi_hw_register_write(u32 register_id, u32 value); |
| 46 | |
| 47 | acpi_status acpi_hw_clear_acpi_status(void); |
| 48 | |
| 49 | /* |
| 50 | * hwsleep - sleep/wake support (Legacy sleep registers) |
| 51 | */ |
| 52 | acpi_status acpi_hw_legacy_sleep(u8 sleep_state); |
| 53 | |
| 54 | acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state); |
| 55 | |
| 56 | acpi_status acpi_hw_legacy_wake(u8 sleep_state); |
| 57 | |
| 58 | /* |
| 59 | * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers) |
| 60 | */ |
| 61 | void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument); |
| 62 | |
| 63 | acpi_status acpi_hw_extended_sleep(u8 sleep_state); |
| 64 | |
| 65 | acpi_status acpi_hw_extended_wake_prep(u8 sleep_state); |
| 66 | |
| 67 | acpi_status acpi_hw_extended_wake(u8 sleep_state); |
| 68 | |
| 69 | /* |
| 70 | * hwvalid - Port I/O with validation |
| 71 | */ |
| 72 | acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width); |
| 73 | |
| 74 | acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width); |
| 75 | |
| 76 | /* |
| 77 | * hwgpe - GPE support |
| 78 | */ |
| 79 | u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info); |
| 80 | |
| 81 | acpi_status |
| 82 | acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action); |
| 83 | |
| 84 | acpi_status |
| 85 | acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
| 86 | struct acpi_gpe_block_info *gpe_block, void *context); |
| 87 | |
| 88 | acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); |
| 89 | |
| 90 | acpi_status |
| 91 | acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
| 92 | struct acpi_gpe_block_info *gpe_block, void *context); |
| 93 | |
| 94 | acpi_status |
| 95 | acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, |
| 96 | acpi_event_status *event_status); |
| 97 | |
| 98 | acpi_status acpi_hw_disable_all_gpes(void); |
| 99 | |
| 100 | acpi_status acpi_hw_enable_all_runtime_gpes(void); |
| 101 | |
| 102 | acpi_status acpi_hw_enable_all_wakeup_gpes(void); |
| 103 | |
| 104 | u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number); |
| 105 | |
| 106 | acpi_status |
| 107 | acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
| 108 | struct acpi_gpe_block_info *gpe_block, |
| 109 | void *context); |
| 110 | |
| 111 | #ifdef ACPI_PCI_CONFIGURED |
| 112 | /* |
| 113 | * hwpci - PCI configuration support |
| 114 | */ |
| 115 | acpi_status |
| 116 | acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, |
| 117 | acpi_handle root_pci_device, acpi_handle pci_region); |
| 118 | #else |
| 119 | static inline acpi_status |
| 120 | acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, |
| 121 | acpi_handle pci_region) |
| 122 | { |
| 123 | return AE_SUPPORT; |
| 124 | } |
| 125 | #endif |
| 126 | |
| 127 | #endif /* __ACHWARE_H__ */ |