diff options
Diffstat (limited to 'include/hwconfig.h')
-rw-r--r-- | include/hwconfig.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/hwconfig.h b/include/hwconfig.h new file mode 100644 index 0000000..d517f78 --- /dev/null +++ b/include/hwconfig.h @@ -0,0 +1,69 @@ +/* + * An inteface for configuring a hardware via u-boot environment. + * + * Copyright (c) 2009 MontaVista Software, Inc. + * + * Author: Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + */ + +#ifndef _HWCONFIG_H +#define _HWCONFIG_H + +#include <linux/types.h> +#include <asm/errno.h> + +#ifdef CONFIG_HWCONFIG + +extern int hwconfig(const char *opt); +extern const char *hwconfig_arg(const char *opt, size_t *arglen); +extern int hwconfig_arg_cmp(const char *opt, const char *arg); +extern int hwconfig_sub(const char *opt, const char *subopt); +extern const char *hwconfig_subarg(const char *opt, const char *subopt, + size_t *subarglen); +extern int hwconfig_subarg_cmp(const char *opt, const char *subopt, + const char *subarg); + +#else + +static inline int hwconfig(const char *opt) +{ + return -ENOSYS; +} + +static inline const char *hwconfig_arg(const char *opt, size_t *arglen) +{ + *arglen = 0; + return ""; +} + +static inline int hwconfig_arg_cmp(const char *opt, const char *arg) +{ + return -ENOSYS; +} + +static inline int hwconfig_sub(const char *opt, const char *subopt) +{ + return -ENOSYS; +} + +static inline const char *hwconfig_subarg(const char *opt, const char *subopt, + size_t *subarglen) +{ + *subarglen = 0; + return ""; +} + +static inline int hwconfig_subarg_cmp(const char *opt, const char *subopt, + const char *subarg) +{ + return -ENOSYS; +} + +#endif /* CONFIG_HWCONFIG */ + +#endif /* _HWCONFIG_H */ |