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 - 2023, 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_enable_all_runtime_gpes(void); |
105 | |
106 | acpi_status acpi_hw_enable_all_wakeup_gpes(void); |
107 | |
108 | u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number); |
109 | |
110 | acpi_status |
111 | acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, |
112 | struct acpi_gpe_block_info *gpe_block, |
113 | void *context); |
114 | |
115 | #ifdef ACPI_PCI_CONFIGURED |
116 | /* |
117 | * hwpci - PCI configuration support |
118 | */ |
119 | acpi_status |
120 | acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, |
121 | acpi_handle root_pci_device, acpi_handle pci_region); |
122 | #else |
123 | static inline acpi_status |
124 | acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, |
125 | acpi_handle pci_region) |
126 | { |
127 | return AE_SUPPORT; |
128 | } |
129 | #endif |
130 | |
131 | #endif /* __ACHWARE_H__ */ |
132 | |