diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/bcmnvram.h')
-rw-r--r-- | drivers/net/wireless/bcmdhd/include/bcmnvram.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/bcmnvram.h b/drivers/net/wireless/bcmdhd/include/bcmnvram.h new file mode 100644 index 00000000000..ba6726be0fe --- /dev/null +++ b/drivers/net/wireless/bcmdhd/include/bcmnvram.h @@ -0,0 +1,136 @@ +/* + * NVRAM variable manipulation + * + * Copyright (C) 1999-2012, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * $Id: bcmnvram.h 288000 2011-10-05 19:05:16Z $ + */ + +#ifndef _bcmnvram_h_ +#define _bcmnvram_h_ + +#ifndef _LANGUAGE_ASSEMBLY + +#include <typedefs.h> +#include <bcmdefs.h> + +struct nvram_header { + uint32 magic; + uint32 len; + uint32 crc_ver_init; + uint32 config_refresh; + uint32 config_ncdl; +}; + +struct nvram_tuple { + char *name; + char *value; + struct nvram_tuple *next; +}; + + +extern char *nvram_default_get(const char *name); + + +extern int nvram_init(void *sih); + + +extern int nvram_append(void *si, char *vars, uint varsz); + +extern void nvram_get_global_vars(char **varlst, uint *varsz); + + + +extern int nvram_reset(void *sih); + + +extern void nvram_exit(void *sih); + + +extern char * nvram_get(const char *name); + + +extern int nvram_resetgpio_init(void *sih); + + +static INLINE char * +nvram_safe_get(const char *name) +{ + char *p = nvram_get(name); + return p ? p : ""; +} + + +static INLINE int +nvram_match(char *name, char *match) +{ + const char *value = nvram_get(name); + return (value && !strcmp(value, match)); +} + + +static INLINE int +nvram_invmatch(char *name, char *invmatch) +{ + const char *value = nvram_get(name); + return (value && strcmp(value, invmatch)); +} + + +extern int nvram_set(const char *name, const char *value); + + +extern int nvram_unset(const char *name); + + +extern int nvram_commit(void); + + +extern int nvram_getall(char *nvram_buf, int count); + + +uint8 nvram_calc_crc(struct nvram_header * nvh); + +#endif + + +#define NVRAM_SOFTWARE_VERSION "1" + +#define NVRAM_MAGIC 0x48534C46 +#define NVRAM_CLEAR_MAGIC 0x0 +#define NVRAM_INVALID_MAGIC 0xFFFFFFFF +#define NVRAM_VERSION 1 +#define NVRAM_HEADER_SIZE 20 +#define NVRAM_SPACE 0x8000 + +#define NVRAM_MAX_VALUE_LEN 255 +#define NVRAM_MAX_PARAM_LEN 64 + +#define NVRAM_CRC_START_POSITION 9 +#define NVRAM_CRC_VER_MASK 0xffffff00 + + +#define NVRAM_START_COMPRESSED 0x400 +#define NVRAM_START 0x1000 + +#define BCM_JUMBO_NVRAM_DELIMIT '\n' +#define BCM_JUMBO_START "Broadcom Jumbo Nvram file" +#endif |