| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #ifndef SOC_INTEL_COMMON_IRQ_H |
| #define SOC_INTEL_COMMON_IRQ_H |
| |
| #include <southbridge/intel/common/acpi_pirq_gen.h> |
| #include <types.h> |
| |
| #define MAX_FNS 8 |
| |
| #define ANY_PIRQ(x) [PCI_FUNC(x)] = { .fixed_int_pin = PCI_INT_NONE,\ |
| .fixed_pirq = PIRQ_INVALID, \ |
| .irq_route = IRQ_PIRQ, } |
| #define DIRECT_IRQ(x) [PCI_FUNC(x)] = { .fixed_int_pin = PCI_INT_NONE,\ |
| .fixed_pirq = PIRQ_INVALID, \ |
| .irq_route = IRQ_DIRECT,} |
| #define FIXED_INT_ANY_PIRQ(x, pin) [PCI_FUNC(x)] = { .fixed_int_pin = pin, \ |
| .fixed_pirq = PIRQ_INVALID, \ |
| .irq_route = IRQ_PIRQ,} |
| #define FIXED_INT_PIRQ(x, pin, pirq) [PCI_FUNC(x)] = { .fixed_int_pin = pin, \ |
| .fixed_pirq = pirq, \ |
| .irq_route = IRQ_PIRQ,} |
| |
| struct slot_irq_constraints { |
| unsigned int slot; |
| struct { |
| enum pci_pin fixed_int_pin; |
| enum pirq fixed_pirq; |
| enum { |
| IRQ_NONE = 0, /* Empty function */ |
| IRQ_PIRQ = 1, /* PIRQ routing, i.e. IRQs 16 - 23 */ |
| IRQ_DIRECT = 2, /* No PIRQ routing, i.e., IRQs > 23 */ |
| } irq_route; |
| } fns[MAX_FNS]; |
| }; |
| |
| struct pci_irq_entry { |
| unsigned int devfn; |
| enum pci_pin pin; |
| unsigned int irq; |
| struct pci_irq_entry *next; |
| }; |
| |
| const struct pci_irq_entry *assign_pci_irqs(const struct slot_irq_constraints *constraints, |
| size_t num_slots); |
| |
| void generate_pin_irq_map(const struct pci_irq_entry *entries); |
| |
| #endif /* SOC_INTEL_COMMON_IRQ_H */ |