Line data    Source code

       1           0 : /*
       2             :  * Copyright (c) 2017 Linaro Limited
       3             :  *
       4             :  * SPDX-License-Identifier: Apache-2.0
       5             :  */
       6             : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_INTERRUPT_CONTROLLER_INTEL_IOAPIC_H_
       7             : #define ZEPHYR_INCLUDE_DT_BINDINGS_INTERRUPT_CONTROLLER_INTEL_IOAPIC_H_
       8             : 
       9           0 : #define IRQ_TYPE_LEVEL                  0x00008000
      10           0 : #define IRQ_TYPE_EDGE                   0x00000000
      11           0 : #define IRQ_TYPE_LOW                    0x00002000
      12           0 : #define IRQ_TYPE_HIGH                   0x00000000
      13           0 : #define IRQ_DELIVERY_LOWEST             0x00000100
      14           0 : #define IRQ_DELIVERY_FIXED              0x00000000
      15             : 
      16             : /*
      17             :  * for most device interrupts, lowest priority delivery is preferred
      18             :  * since this ensures only one CPU gets the interrupt in SMP systems.
      19             :  */
      20           0 : #define IRQ_TYPE_LOWEST_EDGE_RISING             (IRQ_DELIVERY_LOWEST | IRQ_TYPE_EDGE | IRQ_TYPE_HIGH)
      21           0 : #define IRQ_TYPE_LOWEST_EDGE_FALLING            (IRQ_DELIVERY_LOWEST | IRQ_TYPE_EDGE | IRQ_TYPE_LOW)
      22           0 : #define IRQ_TYPE_LOWEST_LEVEL_HIGH              (IRQ_DELIVERY_LOWEST | IRQ_TYPE_LEVEL | IRQ_TYPE_HIGH)
      23           0 : #define IRQ_TYPE_LOWEST_LEVEL_LOW               (IRQ_DELIVERY_LOWEST | IRQ_TYPE_LEVEL | IRQ_TYPE_LOW)
      24             : 
      25             : /* for interrupts that want to be delivered to all CPUs, e.g. HPET */
      26           0 : #define IRQ_TYPE_FIXED_EDGE_RISING              (IRQ_DELIVERY_FIXED | IRQ_TYPE_EDGE | IRQ_TYPE_HIGH)
      27           0 : #define IRQ_TYPE_FIXED_EDGE_FALLING             (IRQ_DELIVERY_FIXED | IRQ_TYPE_EDGE | IRQ_TYPE_LOW)
      28           0 : #define IRQ_TYPE_FIXED_LEVEL_HIGH               (IRQ_DELIVERY_FIXED | IRQ_TYPE_LEVEL | IRQ_TYPE_HIGH)
      29           0 : #define IRQ_TYPE_FIXED_LEVEL_LOW                (IRQ_DELIVERY_FIXED | IRQ_TYPE_LEVEL | IRQ_TYPE_LOW)
      30             : 
      31             : #endif