David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 3 | */ |
| 4 | |
| 5 | #ifndef __BCM47XX_NVRAM_H |
| 6 | #define __BCM47XX_NVRAM_H |
| 7 | |
| 8 | #include <linux/errno.h> |
| 9 | #include <linux/types.h> |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/vmalloc.h> |
| 12 | |
| 13 | #ifdef CONFIG_BCM47XX_NVRAM |
| 14 | int bcm47xx_nvram_init_from_mem(u32 base, u32 lim); |
| 15 | int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len); |
| 16 | int bcm47xx_nvram_gpio_pin(const char *name); |
| 17 | char *bcm47xx_nvram_get_contents(size_t *val_len); |
| 18 | static inline void bcm47xx_nvram_release_contents(char *nvram) |
| 19 | { |
| 20 | vfree(nvram); |
| 21 | }; |
| 22 | #else |
| 23 | static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim) |
| 24 | { |
| 25 | return -ENOTSUPP; |
| 26 | }; |
| 27 | static inline int bcm47xx_nvram_getenv(const char *name, char *val, |
| 28 | size_t val_len) |
| 29 | { |
| 30 | return -ENOTSUPP; |
| 31 | }; |
| 32 | static inline int bcm47xx_nvram_gpio_pin(const char *name) |
| 33 | { |
| 34 | return -ENOTSUPP; |
| 35 | }; |
| 36 | |
| 37 | static inline char *bcm47xx_nvram_get_contents(size_t *val_len) |
| 38 | { |
| 39 | return NULL; |
| 40 | }; |
| 41 | |
| 42 | static inline void bcm47xx_nvram_release_contents(char *nvram) |
| 43 | { |
| 44 | }; |
| 45 | #endif |
| 46 | |
| 47 | #endif /* __BCM47XX_NVRAM_H */ |