src/add-ons/kernel/bus_managers/pci/pci_controller.h

   1 /*
   2  * Copyright 2006, Marcus Overhagen. All rights reserved.
   3  *
   4  * Distributed under the terms of the MIT License.
   5  */
   6 #ifndef __PCI_CONTROLLER_H
   7 #define __PCI_CONTROLLER_H
   8
   9 #include <SupportDefs.h>
  10
  11 typedef struct pci_controller
  12 {
  13         // read PCI config space
  14         status_t        (*read_pci_config)(void *cookie,
  15                                 uint8 bus, uint8 device, uint8 function,
  16                                 uint16 offset, uint8 size, uint32 *value);
  17
  18         // write PCI config space
  19         status_t        (*write_pci_config)(void *cookie,
  20                                 uint8 bus, uint8 device, uint8 function,
  21                                 uint16 offset, uint8 size, uint32 value);
  22
  23         status_t        (*get_max_bus_devices)(void *cookie, int32 *count);
  24
  25         status_t        (*read_pci_irq)(void *cookie,
  26                                 uint8 bus, uint8 device, uint8 function,
  27                                 uint8 pin, uint8 *irq);
  28
  29         status_t        (*write_pci_irq)(void *cookie,
  30                                 uint8 bus, uint8 device, uint8 function,
  31                                 uint8 pin, uint8 irq);
  32
  33 } pci_controller;
  34
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 status_t        pci_controller_init(void);
  41 status_t        pci_controller_add(pci_controller *controller, void *cookie);
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif