218 lines
5.9 KiB
C
218 lines
5.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Based on acpi.c from coreboot
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*
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* Copyright (C) 2015, Saket Sinha <saket.sinha89@gmail.com>
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* Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
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*/
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#ifndef __ASM_ACPI_TABLE_H__
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#define __ASM_ACPI_TABLE_H__
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#ifndef __ACPI__
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#include <pci.h>
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struct acpi_facs;
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struct acpi_fadt;
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struct acpi_global_nvs;
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struct acpi_madt_ioapic;
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struct acpi_madt_irqoverride;
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struct acpi_madt_lapic_nmi;
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struct acpi_mcfg_mmconfig;
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struct acpi_table_header;
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/* These can be used by the target port */
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void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
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void *dsdt);
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int acpi_create_madt_lapics(u32 current);
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int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,
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u32 addr, u32 gsi_base);
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int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride,
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u8 bus, u8 source, u32 gsirq, u16 flags);
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int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi,
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u8 cpu, u16 flags, u8 lint);
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u32 acpi_fill_madt(u32 current);
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int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig, u32 base,
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u16 seg_nr, u8 start, u8 end);
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/**
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* acpi_write_hpet() - Write out a HPET table
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*
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* Write out the table for High-Precision Event Timers
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*
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* @ctx: Current ACPI context
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* Return: 0 if OK, -ve on error
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*/
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int acpi_write_hpet(struct acpi_ctx *ctx);
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/**
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* acpi_write_dbg2_pci_uart() - Write out a DBG2 table
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*
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* @ctx: Current ACPI context
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* @dev: Debug UART device to describe
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* @access_size: Access size for UART (e.g. ACPI_ACCESS_SIZE_DWORD_ACCESS)
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* Return: 0 if OK, -ve on error
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*/
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int acpi_write_dbg2_pci_uart(struct acpi_ctx *ctx, struct udevice *dev,
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uint access_size);
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/**
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* acpi_create_gnvs() - Create a GNVS (Global Non Volatile Storage) table
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*
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* @gnvs: Table to fill in
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* Return: 0 if OK, -ve on error
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*/
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int acpi_create_gnvs(struct acpi_global_nvs *gnvs);
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/**
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* acpi_get_rsdp_addr() - get ACPI RSDP table address
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*
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* This routine returns the ACPI RSDP table address in the system memory.
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*
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* @return: ACPI RSDP table address
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*/
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ulong acpi_get_rsdp_addr(void);
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/**
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* arch_read_sci_irq_select() - Read the system-control interrupt number
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*
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* @returns value of IRQ register in the PMC
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*/
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int arch_read_sci_irq_select(void);
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/**
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* arch_write_sci_irq_select() - Set the system-control interrupt number
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*
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* @scis: New value for IRQ register in the PMC
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*/
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int arch_write_sci_irq_select(uint scis);
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/**
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* arch_madt_sci_irq_polarity() - Return the priority to use for the MADT
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*
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* @sci: System-control interrupt number
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* Return: priority to use (MP_IRQ_POLARITY_...)
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*/
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int arch_madt_sci_irq_polarity(int sci);
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/**
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* acpi_create_dmar_drhd() - Create a table for DMA remapping with the IOMMU
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*
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* See here for the specification
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* https://software.intel.com/sites/default/files/managed/c5/15/vt-directed-io-spec.pdf
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*
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* @ctx: ACPI context pointer
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* @flags: (DRHD_INCLUDE_...)
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* @segment: PCI segment asscociated with this unit
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* @bar: Base address of remapping hardware register-set for this unit
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*/
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void acpi_create_dmar_drhd(struct acpi_ctx *ctx, uint flags, uint segment,
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u64 bar);
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/**
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* acpi_create_dmar_rmrr() - Set up an RMRR
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*
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* This sets up a Reserved-Memory Region Reporting structure, used to allow
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* DMA to regions used by devices that the BIOS controls.
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*
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* @ctx: ACPI context pointer
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* @segment: PCI segment asscociated with this unit
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* @bar: Base address of mapping
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* @limit: End address of mapping
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*/
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void acpi_create_dmar_rmrr(struct acpi_ctx *ctx, uint segment, u64 bar,
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u64 limit);
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/**
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* acpi_dmar_drhd_fixup() - Set the length of an DRHD
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*
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* This sets the DRHD length field based on the current ctx->current
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*
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* @ctx: ACPI context pointer
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* @base: Address of the start of the DRHD
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*/
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void acpi_dmar_drhd_fixup(struct acpi_ctx *ctx, void *base);
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/**
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* acpi_dmar_rmrr_fixup() - Set the length of an RMRR
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*
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* This sets the RMRR length field based on the current ctx->current
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*
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* @ctx: ACPI context pointer
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* @base: Address of the start of the RMRR
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*/
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void acpi_dmar_rmrr_fixup(struct acpi_ctx *ctx, void *base);
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/**
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* acpi_create_dmar_ds_pci() - Set up a DMAR scope for a PCI device
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*
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* @ctx: ACPI context pointer
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* @bdf: PCI device to add
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* Return: length of mapping in bytes
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*/
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int acpi_create_dmar_ds_pci(struct acpi_ctx *ctx, pci_dev_t bdf);
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/**
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* acpi_create_dmar_ds_pci_br() - Set up a DMAR scope for a PCI bridge
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*
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* This is used to provide a mapping for a PCI bridge
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*
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* @ctx: ACPI context pointer
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* @bdf: PCI device to add
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* Return: length of mapping in bytes
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*/
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int acpi_create_dmar_ds_pci_br(struct acpi_ctx *ctx, pci_dev_t bdf);
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/**
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* acpi_create_dmar_ds_ioapic() - Set up a DMAR scope for an IOAPIC device
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*
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* @ctx: ACPI context pointer
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* @enumeration_id: Enumeration ID (typically 2)
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* @bdf: PCI device to add
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* Return: length of mapping in bytes
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*/
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int acpi_create_dmar_ds_ioapic(struct acpi_ctx *ctx, uint enumeration_id,
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pci_dev_t bdf);
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/**
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* acpi_create_dmar_ds_msi_hpet() - Set up a DMAR scope for an HPET
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*
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* Sets up a scope for a High-Precision Event Timer that supports
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* Message-Signalled Interrupts
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*
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* @ctx: ACPI context pointer
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* @enumeration_id: Enumeration ID (typically 0)
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* @bdf: PCI device to add
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* Return: length of mapping in bytes
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*/
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int acpi_create_dmar_ds_msi_hpet(struct acpi_ctx *ctx, uint enumeration_id,
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pci_dev_t bdf);
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/**
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* acpi_fadt_common() - Handle common parts of filling out an FADT
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*
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* This sets up the Fixed ACPI Description Table
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*
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* @fadt: Pointer to place to put FADT
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* @facs: Pointer to the FACS
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* @dsdt: Pointer to the DSDT
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*/
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void acpi_fadt_common(struct acpi_fadt *fadt, struct acpi_facs *facs,
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void *dsdt);
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/**
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* intel_acpi_fill_fadt() - Set up the contents of the FADT
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*
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* This sets up parts of the Fixed ACPI Description Table that are common to
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* Intel chips
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*
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* @fadt: Pointer to place to put FADT
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*/
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void intel_acpi_fill_fadt(struct acpi_fadt *fadt);
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#endif /* !__ACPI__ */
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#endif /* __ASM_ACPI_TABLE_H__ */
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