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 - 2021, 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 acpi_status acpi_hw_validate_io_block(u64 address, u32 bit_width, u32 count); 77 78 /* 79 * hwgpe - GPE support 80 */ 81 acpi_status acpi_hw_gpe_read(u64 *value, struct acpi_gpe_address *reg); 82 83 acpi_status acpi_hw_gpe_write(u64 value, struct acpi_gpe_address *reg); 84 85 u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info); 86 87 acpi_status 88 acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action); 89 90 acpi_status 91 acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 92 struct acpi_gpe_block_info *gpe_block, void *context); 93 94 acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); 95 96 acpi_status 97 acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 98 struct acpi_gpe_block_info *gpe_block, void *context); 99 100 acpi_status 101 acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, 102 acpi_event_status *event_status); 103 104 acpi_status acpi_hw_disable_all_gpes(void); 105 106 acpi_status acpi_hw_enable_all_runtime_gpes(void); 107 108 acpi_status acpi_hw_enable_all_wakeup_gpes(void); 109 110 u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number); 111 112 acpi_status 113 acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 114 struct acpi_gpe_block_info *gpe_block, 115 void *context); 116 117 #ifdef ACPI_PCI_CONFIGURED 118 /* 119 * hwpci - PCI configuration support 120 */ 121 acpi_status 122 acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, 123 acpi_handle root_pci_device, acpi_handle pci_region); 124 #else 125 static inline acpi_status 126 acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, 127 acpi_handle pci_region) 128 { 129 return AE_SUPPORT; 130 } 131 #endif 132 133 #endif /* __ACHWARE_H__ */ 134