[linux-2.6-block.git] / drivers / nvmem / nvmem.h

/* 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 {
	struct module		*owner;
	struct device		dev;
	int			stride;
	int			word_size;
	int			id;
	struct kref		refcnt;
	size_t			size;
	bool			read_only;
	int			flags;
	enum nvmem_type		type;
	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 */
Commit	Line	Data
ae0c2d72 SK	1	/* SPDX-License-Identifier: GPL-2.0 */
	2
	3	#ifndef _DRIVERS_NVMEM_H
	4	#define _DRIVERS_NVMEM_H
	5
	6	#include <linux/device.h>
	7	#include <linux/fs.h>
	8	#include <linux/kref.h>
	9	#include <linux/list.h>
	10	#include <linux/nvmem-consumer.h>
	11	#include <linux/nvmem-provider.h>
	12
	13	struct nvmem_device {
	14	struct module *owner;
	15	struct device dev;
	16	int stride;
	17	int word_size;
	18	int id;
	19	struct kref refcnt;
	20	size_t size;
	21	bool read_only;
	22	int flags;
	23	enum nvmem_type type;
	24	struct bin_attribute eeprom;
	25	struct device *base_dev;
	26	struct list_head cells;
	27	nvmem_reg_read_t reg_read;
	28	nvmem_reg_write_t reg_write;
	29	void *priv;
	30	};
	31
	32	#define to_nvmem_device(d) container_of(d, struct nvmem_device, dev)
	33	#define FLAG_COMPAT BIT(0)
	34
	35	#ifdef CONFIG_NVMEM_SYSFS
	36	const struct attribute_group **nvmem_sysfs_get_groups(
	37	struct nvmem_device *nvmem,
	38	const struct nvmem_config *config);
	39	int nvmem_sysfs_setup_compat(struct nvmem_device *nvmem,
	40	const struct nvmem_config *config);
	41	void nvmem_sysfs_remove_compat(struct nvmem_device *nvmem,
	42	const struct nvmem_config *config);
	43	#else
	44	static inline const struct attribute_group **nvmem_sysfs_get_groups(
	45	struct nvmem_device *nvmem,
	46	const struct nvmem_config *config)
	47	{
	48	return NULL;
	49	}
	50
	51	static inline int nvmem_sysfs_setup_compat(struct nvmem_device *nvmem,
	52	const struct nvmem_config *config)
	53	{
	54	return -ENOSYS;
	55	}
	56	static inline void nvmem_sysfs_remove_compat(struct nvmem_device *nvmem,
	57	const struct nvmem_config *config)
	58	{
	59	}
	60	#endif /* CONFIG_NVMEM_SYSFS */
	61
	62	#endif /* _DRIVERS_NVMEM_H */