LXR uboot/include/hwconfig.h

   1/*
   2 * An inteface for configuring a hardware via u-boot environment.
   3 *
   4 * Copyright (c) 2009  MontaVista Software, Inc.
   5 *
   6 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 */
  13
  14#ifndef _HWCONFIG_H
  15#define _HWCONFIG_H
  16
  17#include <linux/types.h>
  18#include <asm/errno.h>
  19
  20#ifdef CONFIG_HWCONFIG
  21
  22extern int hwconfig(const char *opt);
  23extern const char *hwconfig_arg(const char *opt, size_t *arglen);
  24extern int hwconfig_arg_cmp(const char *opt, const char *arg);
  25extern int hwconfig_sub(const char *opt, const char *subopt);
  26extern const char *hwconfig_subarg(const char *opt, const char *subopt,
  27                                   size_t *subarglen);
  28extern int hwconfig_subarg_cmp(const char *opt, const char *subopt,
  29                               const char *subarg);
  30
  31#else
  32
  33static inline int hwconfig(const char *opt)
  34{
  35        return -ENOSYS;
  36}
  37
  38static inline const char *hwconfig_arg(const char *opt, size_t *arglen)
  39{
  40        *arglen = 0;
  41        return "";
  42}
  43
  44static inline int hwconfig_arg_cmp(const char *opt, const char *arg)
  45{
  46        return -ENOSYS;
  47}
  48
  49static inline int hwconfig_sub(const char *opt, const char *subopt)
  50{
  51        return -ENOSYS;
  52}
  53
  54static inline const char *hwconfig_subarg(const char *opt, const char *subopt,
  55                                          size_t *subarglen)
  56{
  57        *subarglen = 0;
  58        return "";
  59}
  60
  61static inline int hwconfig_subarg_cmp(const char *opt, const char *subopt,
  62                                      const char *subarg)
  63{
  64        return -ENOSYS;
  65}
  66
  67#endif /* CONFIG_HWCONFIG */
  68
  69#endif /* _HWCONFIG_H */
  70