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  1. /*
  2.  * Copyright (C) 2005 Martin Decky
  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. #ifndef __OFW_H__
  30. #define __OFW_H__
  31.  
  32. #include <types.h>
  33. #include <stdarg.h>
  34.  
  35. #define BUF_SIZE        1024
  36.  
  37. #define MEMMAP_MAX_RECORDS  32
  38.  
  39. typedef struct {
  40.     void *start;
  41.     unsigned int size;
  42. } memzone_t;
  43.  
  44. typedef struct {
  45.     unsigned int total;
  46.     unsigned int count;
  47.     memzone_t zones[MEMMAP_MAX_RECORDS];
  48. } memmap_t;
  49.  
  50. typedef struct {
  51.     void *addr;
  52.     unsigned int width;
  53.     unsigned int height;
  54.     unsigned int bpp;
  55.     unsigned int scanline;
  56. } screen_t;
  57.  
  58. typedef struct {
  59.     void *addr;
  60.     unsigned int size;
  61. } keyboard_t;
  62.  
  63. typedef struct {
  64.     unsigned int info;
  65.     unsigned int addr_hi;
  66.     unsigned int addr_lo;
  67. } pci_addr_t;
  68.  
  69. typedef struct {
  70.     pci_addr_t addr;
  71.     unsigned int size_hi;
  72.     unsigned int size_lo;
  73. } pci_reg_t;
  74.  
  75. typedef unsigned long ofw_arg_t;
  76. typedef unsigned int ihandle;
  77. typedef unsigned int phandle;
  78.  
  79. extern phandle ofw_aliases;
  80.  
  81. extern void init(void);
  82. extern void ofw_write(const char *str, const int len);
  83.  
  84. extern int ofw_get_property(const phandle device, const char *name, const void *buf, const int buflen);
  85. extern phandle ofw_find_device(const char *name);
  86.  
  87. extern void *ofw_translate(const void *virt);
  88. extern int ofw_map(const void *phys, const void *virt, const int size, const int mode);
  89. extern int ofw_memmap(memmap_t *map);
  90. extern int ofw_screen(screen_t *screen);
  91. extern int ofw_keyboard(keyboard_t *keyboard);
  92.  
  93. #endif
  94.