lib/internal.h

   1 /*
   2  *      $Id: internal.h,v 1.4 2000/04/21 11:58:00 mj Exp $
   3  *
   4  *      The PCI Library -- Internal Include File
   5  *
   6  *      Copyright (c) 1997--1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
   7  *
   8  *      Can be freely distributed and used under the terms of the GNU GPL.
   9  */
  10
  11 #include "pci.h"
  12
  13 #ifdef HAVE_PM_LINUX_BYTEORDER_H
  14
  15 #include <asm/byteorder.h>
  16 #define cpu_to_le16 __cpu_to_le16
  17 #define cpu_to_le32 __cpu_to_le32
  18 #define le16_to_cpu __le16_to_cpu
  19 #define le32_to_cpu __le32_to_cpu
  20
  21 #else
  22
  23 #ifdef OS_LINUX
  24 #include <endian.h>
  25 #define BYTE_ORDER __BYTE_ORDER
  26 #define BIG_ENDIAN __BIG_ENDIAN
  27 #endif
  28
  29 #ifdef OS_FREEBSD
  30 #include <sys/types.h>
  31 #endif
  32
  33 #if BYTE_ORDER == BIG_ENDIAN
  34 #define cpu_to_le16 swab16
  35 #define cpu_to_le32 swab32
  36 #define le16_to_cpu swab16
  37 #define le32_to_cpu swab32
  38
  39 static inline word swab16(word w)
  40 {
  41   return (w << 8) | ((w >> 8) & 0xff);
  42 }
  43
  44 static inline u32 swab32(u32 w)
  45 {
  46   return ((w & 0xff000000) >> 24) |
  47          ((w & 0x00ff0000) >> 8) |
  48          ((w & 0x0000ff00) << 8)  |
  49          ((w & 0x000000ff) << 24);
  50 }
  51 #else
  52 #define cpu_to_le16(x) (x)
  53 #define cpu_to_le32(x) (x)
  54 #define le16_to_cpu(x) (x)
  55 #define le32_to_cpu(x) (x)
  56 #endif
  57
  58 #endif
  59
  60 struct pci_methods {
  61   char *name;
  62   void (*config)(struct pci_access *);
  63   int (*detect)(struct pci_access *);
  64   void (*init)(struct pci_access *);
  65   void (*cleanup)(struct pci_access *);
  66   void (*scan)(struct pci_access *);
  67   int (*fill_info)(struct pci_dev *, int flags);
  68   int (*read)(struct pci_dev *, int pos, byte *buf, int len);
  69   int (*write)(struct pci_dev *, int pos, byte *buf, int len);
  70   void (*init_dev)(struct pci_dev *);
  71   void (*cleanup_dev)(struct pci_dev *);
  72 };
  73
  74 void pci_generic_scan_bus(struct pci_access *, byte *busmap, int bus);
  75 void pci_generic_scan(struct pci_access *);
  76 int pci_generic_fill_info(struct pci_dev *, int flags);
  77 int pci_generic_block_read(struct pci_dev *, int pos, byte *buf, int len);
  78 int pci_generic_block_write(struct pci_dev *, int pos, byte *buf, int len);
  79
  80 void *pci_malloc(struct pci_access *, int);
  81 void pci_mfree(void *);
  82
  83 struct pci_dev *pci_alloc_dev(struct pci_access *);
  84 int pci_link_dev(struct pci_access *, struct pci_dev *);
  85
  86 extern struct pci_methods pm_intel_conf1, pm_intel_conf2, pm_linux_proc,
  87   pm_syscalls, pm_fbsd_device, pm_aix_device, pm_dump;
  88
  89 #ifdef __GNUC__
  90 #define UNUSED __attribute__((unused))
  91 #else
  92 #define UNUSED
  93 #define inline
  94 #endif