LXR linux/include/linux/bcm47xx

   1/*
   2 *  This program is free software; you can redistribute  it and/or modify it
   3 *  under  the terms of  the GNU General  Public License as published by the
   4 *  Free Software Foundation;  either version 2 of the  License, or (at your
   5 *  option) any later version.
   6 */
   7
   8#ifndef __BCM47XX_NVRAM_H
   9#define __BCM47XX_NVRAM_H
  10
  11#include <linux/types.h>
  12#include <linux/kernel.h>
  13#include <linux/vmalloc.h>
  14
  15#ifdef CONFIG_BCM47XX_NVRAM
  16int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
  17int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
  18int bcm47xx_nvram_gpio_pin(const char *name);
  19char *bcm47xx_nvram_get_contents(size_t *val_len);
  20static inline void bcm47xx_nvram_release_contents(char *nvram)
  21{
  22        vfree(nvram);
  23};
  24#else
  25static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
  26{
  27        return -ENOTSUPP;
  28};
  29static inline int bcm47xx_nvram_getenv(const char *name, char *val,
  30                                       size_t val_len)
  31{
  32        return -ENOTSUPP;
  33};
  34static inline int bcm47xx_nvram_gpio_pin(const char *name)
  35{
  36        return -ENOTSUPP;
  37};
  38
  39static inline char *bcm47xx_nvram_get_contents(size_t *val_len)
  40{
  41        return NULL;
  42};
  43
  44static inline void bcm47xx_nvram_release_contents(char *nvram)
  45{
  46};
  47#endif
  48
  49#endif /* __BCM47XX_NVRAM_H */
  50