63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
|
||
|
|
#ifndef _DRIVERS_NVMEM_H
|
||
|
|
#define _DRIVERS_NVMEM_H
|
||
|
|
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/fs.h>
|
||
|
|
#include <linux/kref.h>
|
||
|
|
#include <linux/list.h>
|
||
|
|
#include <linux/nvmem-consumer.h>
|
||
|
|
#include <linux/nvmem-provider.h>
|
||
|
|
|
||
|
|
struct nvmem_device {
|
||
|
|
const char *name;
|
||
|
|
struct module *owner;
|
||
|
|
struct device dev;
|
||
|
|
int stride;
|
||
|
|
int word_size;
|
||
|
|
int id;
|
||
|
|
struct kref refcnt;
|
||
|
|
size_t size;
|
||
|
|
bool read_only;
|
||
|
|
int flags;
|
||
|
|
struct bin_attribute eeprom;
|
||
|
|
struct device *base_dev;
|
||
|
|
struct list_head cells;
|
||
|
|
nvmem_reg_read_t reg_read;
|
||
|
|
nvmem_reg_write_t reg_write;
|
||
|
|
void *priv;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define to_nvmem_device(d) container_of(d, struct nvmem_device, dev)
|
||
|
|
#define FLAG_COMPAT BIT(0)
|
||
|
|
|
||
|
|
#ifdef CONFIG_NVMEM_SYSFS
|
||
|
|
const struct attribute_group **nvmem_sysfs_get_groups(
|
||
|
|
struct nvmem_device *nvmem,
|
||
|
|
const struct nvmem_config *config);
|
||
|
|
int nvmem_sysfs_setup_compat(struct nvmem_device *nvmem,
|
||
|
|
const struct nvmem_config *config);
|
||
|
|
void nvmem_sysfs_remove_compat(struct nvmem_device *nvmem,
|
||
|
|
const struct nvmem_config *config);
|
||
|
|
#else
|
||
|
|
static inline const struct attribute_group **nvmem_sysfs_get_groups(
|
||
|
|
struct nvmem_device *nvmem,
|
||
|
|
const struct nvmem_config *config)
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int nvmem_sysfs_setup_compat(struct nvmem_device *nvmem,
|
||
|
|
const struct nvmem_config *config)
|
||
|
|
{
|
||
|
|
return -ENOSYS;
|
||
|
|
}
|
||
|
|
static inline void nvmem_sysfs_remove_compat(struct nvmem_device *nvmem,
|
||
|
|
const struct nvmem_config *config)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_NVMEM_SYSFS */
|
||
|
|
|
||
|
|
#endif /* _DRIVERS_NVMEM_H */
|