kernel/arch/sparc64/include/drivers/pci.h

   1 /*
   2  * Copyright (c) 2006 Jakub Jermar
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup sparc64
  30  * @{
  31  */
  32 /** @file
  33  */
  34
  35 #ifndef KERN_sparc64_PCI_H_
  36 #define KERN_sparc64_PCI_H_
  37
  38 #include <arch/types.h>
  39 #include <genarch/ofw/ofw_tree.h>
  40 #include <arch/arch.h>
  41 #include <arch/asm.h>
  42
  43 typedef enum pci_model pci_model_t;
  44 typedef struct pci pci_t;
  45 typedef struct pci_operations pci_operations_t;
  46
  47 enum pci_model {
  48         PCI_UNKNOWN,
  49         PCI_SABRE,
  50         PCI_PSYCHO
  51 };
  52
  53 struct pci_operations {
  54         void (* enable_interrupt)(pci_t *pci, int inr);
  55         void (* clear_interrupt)(pci_t *pci, int inr);
  56 };
  57
  58 struct pci {
  59         pci_model_t model;
  60         pci_operations_t *op;
  61         volatile uint64_t *reg;         /**< Registers including interrupt registers. */
  62 };
  63
  64 extern pci_t *pci_init(ofw_tree_node_t *node);
  65 extern void pci_enable_interrupt(pci_t *pci, int inr);
  66 extern void pci_clear_interrupt(pci_t *pci, int inr);
  67
  68 #endif
  69
  70 /** @}
  71  */