| 1 |
|
| 2 | |
| 3 | * Aspeed AST2700 Interrupt Controller.
|
| 4 | *
|
| 5 | * Copyright (C) 2026 ASPEED Technology Inc.
|
| 6 |
|
| 7 | #ifndef DRIVERS_IRQCHIP_AST2700
|
| 8 | #define DRIVERS_IRQCHIP_AST2700
|
| 9 |
|
| 10 | #include <linux/device.h>
|
| 11 | #include <linux/irqdomain.h>
|
| 12 |
|
| 13 | #define AST2700_INTC_INVALID_ROUTE (~0U)
|
| 14 | #define ASPEED_INTC_RANGES_BASE 0U
|
| 15 | #define ASPEED_INTC_RANGES_COUNT 1U
|
| 16 |
|
| 17 | struct aspeed_intc_interrupt_range {
|
| 18 | u32 start;
|
| 19 | u32 count;
|
| 20 | struct irq_fwspec upstream;
|
| 21 | struct irq_domain *domain;
|
| 22 | };
|
| 23 |
|
| 24 | struct aspeed_intc_interrupt_ranges {
|
| 25 | struct aspeed_intc_interrupt_range *ranges;
|
| 26 | unsigned int nranges;
|
| 27 | };
|
| 28 |
|
| 29 | struct aspeed_intc0 {
|
| 30 | struct device *dev;
|
| 31 | void __iomem *base;
|
| 32 | raw_spinlock_t intc_lock;
|
| 33 | struct irq_domain *local;
|
| 34 | struct device_node *parent;
|
| 35 | struct aspeed_intc_interrupt_ranges ranges;
|
| 36 | };
|
| 37 |
|
| 38 | int aspeed_intc_populate_ranges(struct device *dev,
|
| 39 | struct aspeed_intc_interrupt_ranges *ranges);
|
| 40 |
|
| 41 | int aspeed_intc0_resolve_route(const struct irq_domain *c0domain,
|
| 42 | size_t nc1outs,
|
| 43 | const u32 *c1outs,
|
| 44 | size_t nc1ranges,
|
| 45 | const struct aspeed_intc_interrupt_range *c1ranges,
|
| 46 | struct aspeed_intc_interrupt_range *resolved);
|
| 47 |
|
| 48 | #endif
|