xref: /freebsd/sys/dev/nvmem/nvmem.h (revision e51b3d8e53cee7d6a36e34e1cd4d588593d71b40)
1*e51b3d8eSEmmanuel Vadot /*-
2*e51b3d8eSEmmanuel Vadot  * Copyright 2018 Emmanuel Vadot <manu@FreeBSD.org>
3*e51b3d8eSEmmanuel Vadot  *
4*e51b3d8eSEmmanuel Vadot  * Redistribution and use in source and binary forms, with or without
5*e51b3d8eSEmmanuel Vadot  * modification, are permitted provided that the following conditions
6*e51b3d8eSEmmanuel Vadot  * are met:
7*e51b3d8eSEmmanuel Vadot  * 1. Redistributions of source code must retain the above copyright
8*e51b3d8eSEmmanuel Vadot  *    notice, this list of conditions and the following disclaimer.
9*e51b3d8eSEmmanuel Vadot  * 2. Redistributions in binary form must reproduce the above copyright
10*e51b3d8eSEmmanuel Vadot  *    notice, this list of conditions and the following disclaimer in the
11*e51b3d8eSEmmanuel Vadot  *    documentation and/or other materials provided with the distribution.
12*e51b3d8eSEmmanuel Vadot  *
13*e51b3d8eSEmmanuel Vadot  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14*e51b3d8eSEmmanuel Vadot  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15*e51b3d8eSEmmanuel Vadot  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16*e51b3d8eSEmmanuel Vadot  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17*e51b3d8eSEmmanuel Vadot  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18*e51b3d8eSEmmanuel Vadot  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19*e51b3d8eSEmmanuel Vadot  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20*e51b3d8eSEmmanuel Vadot  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21*e51b3d8eSEmmanuel Vadot  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22*e51b3d8eSEmmanuel Vadot  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23*e51b3d8eSEmmanuel Vadot  * SUCH DAMAGE.
24*e51b3d8eSEmmanuel Vadot  */
25*e51b3d8eSEmmanuel Vadot 
26*e51b3d8eSEmmanuel Vadot #ifndef _DEV_NVMEM_H_
27*e51b3d8eSEmmanuel Vadot #define	_DEV_NVMEM_H_
28*e51b3d8eSEmmanuel Vadot 
29*e51b3d8eSEmmanuel Vadot int nvmem_get_cell_len(phandle_t node, const char *name);
30*e51b3d8eSEmmanuel Vadot int nvmem_read_cell_by_name(phandle_t node, const char *name, void *cell, size_t buflen);
31*e51b3d8eSEmmanuel Vadot int nvmem_read_cell_by_idx(phandle_t node, int idx, void *cell, size_t buflen);
32*e51b3d8eSEmmanuel Vadot int nvmem_write_cell_by_name(phandle_t node, const char *name, void *cell, size_t buflen);
33*e51b3d8eSEmmanuel Vadot int nvmem_write_cell_by_idx(phandle_t node, int idx, void *cell, size_t buflen);
34*e51b3d8eSEmmanuel Vadot 
35*e51b3d8eSEmmanuel Vadot #endif /* _DEV_NVMEM_H_ */
36