193f9dcf9SAnton Vorontsov /* 293f9dcf9SAnton Vorontsov * An inteface for configuring a hardware via u-boot environment. 393f9dcf9SAnton Vorontsov * 493f9dcf9SAnton Vorontsov * Copyright (c) 2009 MontaVista Software, Inc. 5*dd50af25SKumar Gala * Copyright 2011 Freescale Semiconductor, Inc. 693f9dcf9SAnton Vorontsov * 793f9dcf9SAnton Vorontsov * Author: Anton Vorontsov <avorontsov@ru.mvista.com> 893f9dcf9SAnton Vorontsov * 993f9dcf9SAnton Vorontsov * This program is free software; you can redistribute it and/or 1093f9dcf9SAnton Vorontsov * modify it under the terms of the GNU General Public License as 1193f9dcf9SAnton Vorontsov * published by the Free Software Foundation; either version 2 of 1293f9dcf9SAnton Vorontsov * the License, or (at your option) any later version. 1393f9dcf9SAnton Vorontsov */ 1493f9dcf9SAnton Vorontsov 1593f9dcf9SAnton Vorontsov #ifndef _HWCONFIG_H 1693f9dcf9SAnton Vorontsov #define _HWCONFIG_H 1793f9dcf9SAnton Vorontsov 1893f9dcf9SAnton Vorontsov #include <linux/types.h> 1993f9dcf9SAnton Vorontsov #include <asm/errno.h> 2093f9dcf9SAnton Vorontsov 2193f9dcf9SAnton Vorontsov #ifdef CONFIG_HWCONFIG 2293f9dcf9SAnton Vorontsov 23*dd50af25SKumar Gala extern int hwconfig_f(const char *opt, char *buf); 24*dd50af25SKumar Gala extern const char *hwconfig_arg_f(const char *opt, size_t *arglen, char *buf); 25*dd50af25SKumar Gala extern int hwconfig_arg_cmp_f(const char *opt, const char *arg, char *buf); 26*dd50af25SKumar Gala extern int hwconfig_sub_f(const char *opt, const char *subopt, char *buf); 27*dd50af25SKumar Gala extern const char *hwconfig_subarg_f(const char *opt, const char *subopt, 28*dd50af25SKumar Gala size_t *subarglen, char *buf); 29*dd50af25SKumar Gala extern int hwconfig_subarg_cmp_f(const char *opt, const char *subopt, 30*dd50af25SKumar Gala const char *subarg, char *buf); 3193f9dcf9SAnton Vorontsov #else 3293f9dcf9SAnton Vorontsov 33*dd50af25SKumar Gala static inline int hwconfig_f(const char *opt, char *buf) 3493f9dcf9SAnton Vorontsov { 3593f9dcf9SAnton Vorontsov return -ENOSYS; 3693f9dcf9SAnton Vorontsov } 3793f9dcf9SAnton Vorontsov 38*dd50af25SKumar Gala static inline const char *hwconfig_arg_f(const char *opt, size_t *arglen, 39*dd50af25SKumar Gala char *buf) 4093f9dcf9SAnton Vorontsov { 4193f9dcf9SAnton Vorontsov *arglen = 0; 4293f9dcf9SAnton Vorontsov return ""; 4393f9dcf9SAnton Vorontsov } 4493f9dcf9SAnton Vorontsov 45*dd50af25SKumar Gala static inline int hwconfig_arg_cmp_f(const char *opt, const char *arg, 46*dd50af25SKumar Gala char *buf) 4793f9dcf9SAnton Vorontsov { 4893f9dcf9SAnton Vorontsov return -ENOSYS; 4993f9dcf9SAnton Vorontsov } 5093f9dcf9SAnton Vorontsov 51*dd50af25SKumar Gala static inline int hwconfig_sub_f(const char *opt, const char *subopt, char *buf) 5293f9dcf9SAnton Vorontsov { 5393f9dcf9SAnton Vorontsov return -ENOSYS; 5493f9dcf9SAnton Vorontsov } 5593f9dcf9SAnton Vorontsov 56*dd50af25SKumar Gala static inline const char *hwconfig_subarg_f(const char *opt, const char *subopt, 57*dd50af25SKumar Gala size_t *subarglen, char *buf) 5893f9dcf9SAnton Vorontsov { 5993f9dcf9SAnton Vorontsov *subarglen = 0; 6093f9dcf9SAnton Vorontsov return ""; 6193f9dcf9SAnton Vorontsov } 6293f9dcf9SAnton Vorontsov 63*dd50af25SKumar Gala static inline int hwconfig_subarg_cmp_f(const char *opt, const char *subopt, 64*dd50af25SKumar Gala const char *subarg, char *buf) 6593f9dcf9SAnton Vorontsov { 6693f9dcf9SAnton Vorontsov return -ENOSYS; 6793f9dcf9SAnton Vorontsov } 6893f9dcf9SAnton Vorontsov 6993f9dcf9SAnton Vorontsov #endif /* CONFIG_HWCONFIG */ 7093f9dcf9SAnton Vorontsov 71*dd50af25SKumar Gala static inline int hwconfig(const char *opt) 72*dd50af25SKumar Gala { 73*dd50af25SKumar Gala return hwconfig_f(opt, NULL); 74*dd50af25SKumar Gala } 75*dd50af25SKumar Gala 76*dd50af25SKumar Gala static inline const char *hwconfig_arg(const char *opt, size_t *arglen) 77*dd50af25SKumar Gala { 78*dd50af25SKumar Gala return hwconfig_arg_f(opt, arglen, NULL); 79*dd50af25SKumar Gala } 80*dd50af25SKumar Gala 81*dd50af25SKumar Gala static inline int hwconfig_arg_cmp(const char *opt, const char *arg) 82*dd50af25SKumar Gala { 83*dd50af25SKumar Gala return hwconfig_arg_cmp_f(opt, arg, NULL); 84*dd50af25SKumar Gala } 85*dd50af25SKumar Gala 86*dd50af25SKumar Gala static inline int hwconfig_sub(const char *opt, const char *subopt) 87*dd50af25SKumar Gala { 88*dd50af25SKumar Gala return hwconfig_sub_f(opt, subopt, NULL); 89*dd50af25SKumar Gala } 90*dd50af25SKumar Gala 91*dd50af25SKumar Gala static inline const char *hwconfig_subarg(const char *opt, const char *subopt, 92*dd50af25SKumar Gala size_t *subarglen) 93*dd50af25SKumar Gala { 94*dd50af25SKumar Gala return hwconfig_subarg_f(opt, subopt, subarglen, NULL); 95*dd50af25SKumar Gala } 96*dd50af25SKumar Gala 97*dd50af25SKumar Gala static inline int hwconfig_subarg_cmp(const char *opt, const char *subopt, 98*dd50af25SKumar Gala const char *subarg) 99*dd50af25SKumar Gala { 100*dd50af25SKumar Gala return hwconfig_subarg_cmp_f(opt, subopt, subarg, NULL); 101*dd50af25SKumar Gala } 102*dd50af25SKumar Gala 10393f9dcf9SAnton Vorontsov #endif /* _HWCONFIG_H */ 104