[linux-2.6-block.git] / include / linux / bcm47xx_nvram.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 */

#ifndef __BCM47XX_NVRAM_H
#define __BCM47XX_NVRAM_H

#include <linux/errno.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/vmalloc.h>

#ifdef CONFIG_BCM47XX_NVRAM
int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start, size_t res_size);
int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
int bcm47xx_nvram_gpio_pin(const char *name);
char *bcm47xx_nvram_get_contents(size_t *val_len);
static inline void bcm47xx_nvram_release_contents(char *nvram)
{
	vfree(nvram);
};
#else
static inline int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start,
						size_t res_size)
{
	return -ENOTSUPP;
}
static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
{
	return -ENOTSUPP;
};
static inline int bcm47xx_nvram_getenv(const char *name, char *val,
				       size_t val_len)
{
	return -ENOTSUPP;
};
static inline int bcm47xx_nvram_gpio_pin(const char *name)
{
	return -ENOTSUPP;
};

static inline char *bcm47xx_nvram_get_contents(size_t *val_len)
{
	return NULL;
};

static inline void bcm47xx_nvram_release_contents(char *nvram)
{
};
#endif

#endif /* __BCM47XX_NVRAM_H */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
121915c4	2	/*
121915c4 WB	3	*/
121915c4 WB	4
111bd981 HM	5	#ifndef __BCM47XX_NVRAM_H
111bd981 HM	6	#define __BCM47XX_NVRAM_H
121915c4	7
0cb5133a	8	#include <linux/errno.h>
121915c4	9	#include <linux/types.h>
59833fcf	10	#include <linux/kernel.h>
55cab93b	11	#include <linux/vmalloc.h>
121915c4	12
f6e734a8	13	#ifdef CONFIG_BCM47XX_NVRAM
a5be5ce0	14	int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start, size_t res_size);
21400f25	15	int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
341097f1	16	int bcm47xx_nvram_getenv(const char name, char val, size_t val_len);
62cf3bc0	17	int bcm47xx_nvram_gpio_pin(const char *name);
55cab93b HM	18	char bcm47xx_nvram_get_contents(size_t val_len);
	19	static inline void bcm47xx_nvram_release_contents(char *nvram)
	20	{
	21	vfree(nvram);
	22	};
138173d4	23	#else
a5be5ce0 RM	24	static inline int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start,
	25	size_t res_size)
	26	{
	27	return -ENOTSUPP;
	28	}
138173d4 RM	29	static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
	30	{
	31	return -ENOTSUPP;
	32	};
	33	static inline int bcm47xx_nvram_getenv(const char name, char val,
	34	size_t val_len)
	35	{
	36	return -ENOTSUPP;
	37	};
	38	static inline int bcm47xx_nvram_gpio_pin(const char *name)
	39	{
	40	return -ENOTSUPP;
	41	};
55cab93b HM	42
	43	static inline char bcm47xx_nvram_get_contents(size_t val_len)
	44	{
	45	return NULL;
	46	};
	47
	48	static inline void bcm47xx_nvram_release_contents(char *nvram)
	49	{
	50	};
138173d4	51	#endif
62cf3bc0	52
111bd981	53	#endif /* __BCM47XX_NVRAM_H */