54 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-or-later */
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| /*
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|  */
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| 
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| #ifndef __BCM47XX_NVRAM_H
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| #define __BCM47XX_NVRAM_H
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| 
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| #include <linux/errno.h>
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| #include <linux/types.h>
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| #include <linux/kernel.h>
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| #include <linux/vmalloc.h>
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| 
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| #ifdef CONFIG_BCM47XX_NVRAM
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| int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start, size_t res_size);
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| int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
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| int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
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| int bcm47xx_nvram_gpio_pin(const char *name);
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| char *bcm47xx_nvram_get_contents(size_t *val_len);
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| static inline void bcm47xx_nvram_release_contents(char *nvram)
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| {
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| 	vfree(nvram);
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| };
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| #else
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| static inline int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start,
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| 						size_t res_size)
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| {
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| 	return -ENOTSUPP;
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| }
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| static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
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| {
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| 	return -ENOTSUPP;
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| };
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| static inline int bcm47xx_nvram_getenv(const char *name, char *val,
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| 				       size_t val_len)
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| {
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| 	return -ENOTSUPP;
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| };
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| static inline int bcm47xx_nvram_gpio_pin(const char *name)
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| {
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| 	return -ENOTSUPP;
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| };
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| 
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| static inline char *bcm47xx_nvram_get_contents(size_t *val_len)
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| {
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| 	return NULL;
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| };
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| 
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| static inline void bcm47xx_nvram_release_contents(char *nvram)
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| {
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| };
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| #endif
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| 
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| #endif /* __BCM47XX_NVRAM_H */
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