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  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.  */
  72.