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Diffstat (limited to 'drivers/acpi/acpica/achware.h')
-rw-r--r-- | drivers/acpi/acpica/achware.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h new file mode 100644 index 000000000..c1b6e7bf4 --- /dev/null +++ b/drivers/acpi/acpica/achware.h @@ -0,0 +1,131 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ +/****************************************************************************** + * + * Name: achware.h -- hardware specific interfaces + * + * Copyright (C) 2000 - 2022, Intel Corp. + * + *****************************************************************************/ + +#ifndef __ACHWARE_H__ +#define __ACHWARE_H__ + +/* Values for the _SST predefined method */ + +#define ACPI_SST_INDICATOR_OFF 0 +#define ACPI_SST_WORKING 1 +#define ACPI_SST_WAKING 2 +#define ACPI_SST_SLEEPING 3 +#define ACPI_SST_SLEEP_CONTEXT 4 + +/* + * hwacpi - high level functions + */ +acpi_status acpi_hw_set_mode(u32 mode); + +u32 acpi_hw_get_mode(void); + +/* + * hwregs - ACPI Register I/O + */ +acpi_status +acpi_hw_validate_register(struct acpi_generic_address *reg, + u8 max_bit_width, u64 *address); + +acpi_status acpi_hw_read(u64 *value, struct acpi_generic_address *reg); + +acpi_status acpi_hw_write(u64 value, struct acpi_generic_address *reg); + +struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); + +acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control); + +acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value); + +acpi_status acpi_hw_register_write(u32 register_id, u32 value); + +acpi_status acpi_hw_clear_acpi_status(void); + +/* + * hwsleep - sleep/wake support (Legacy sleep registers) + */ +acpi_status acpi_hw_legacy_sleep(u8 sleep_state); + +acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state); + +acpi_status acpi_hw_legacy_wake(u8 sleep_state); + +/* + * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers) + */ +void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument); + +acpi_status acpi_hw_extended_sleep(u8 sleep_state); + +acpi_status acpi_hw_extended_wake_prep(u8 sleep_state); + +acpi_status acpi_hw_extended_wake(u8 sleep_state); + +/* + * hwvalid - Port I/O with validation + */ +acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width); + +acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width); + +acpi_status acpi_hw_validate_io_block(u64 address, u32 bit_width, u32 count); + +/* + * hwgpe - GPE support + */ +acpi_status acpi_hw_gpe_read(u64 *value, struct acpi_gpe_address *reg); + +acpi_status acpi_hw_gpe_write(u64 value, struct acpi_gpe_address *reg); + +u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info); + +acpi_status +acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action); + +acpi_status +acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, + struct acpi_gpe_block_info *gpe_block, void *context); + +acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); + +acpi_status +acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, + struct acpi_gpe_block_info *gpe_block, void *context); + +acpi_status +acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, + acpi_event_status *event_status); + +acpi_status acpi_hw_enable_all_runtime_gpes(void); + +acpi_status acpi_hw_enable_all_wakeup_gpes(void); + +u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number); + +acpi_status +acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, + struct acpi_gpe_block_info *gpe_block, + void *context); + +#ifdef ACPI_PCI_CONFIGURED +/* + * hwpci - PCI configuration support + */ +acpi_status +acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, + acpi_handle root_pci_device, acpi_handle pci_region); +#else +static inline acpi_status +acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, + acpi_handle pci_region) +{ + return AE_SUPPORT; +} +#endif + +#endif /* __ACHWARE_H__ */ |