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/errno.h>
  12#include <linux/types.h>
  13#include <linux/kernel.h>
  14#include <linux/vmalloc.h>
  15
  16#ifdef CONFIG_BCM47XX_NVRAM
  17int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
  18int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
  19int bcm47xx_nvram_gpio_pin(const char *name);
  20char *bcm47xx_nvram_get_contents(size_t *val_len);
  21static inline void bcm47xx_nvram_release_contents(char *nvram)
  22{
  23        vfree(nvram);
  24};
  25#else
  26static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
  27{
  28        return -ENOTSUPP;
  29};
  30static inline int bcm47xx_nvram_getenv(const char *name, char *val,
  31                                       size_t val_len)
  32{
  33        return -ENOTSUPP;
  34};
  35static inline int bcm47xx_nvram_gpio_pin(const char *name)
  36{
  37        return -ENOTSUPP;
  38};
  39
  40static inline char *bcm47xx_nvram_get_contents(size_t *val_len)
  41{
  42        return NULL;
  43};
  44
  45static inline void bcm47xx_nvram_release_contents(char *nvram)
  46{
  47};
  48#endif
  49
  50#endif /* __BCM47XX_NVRAM_H */
  51