include/nand.h

   1 /*
   2  * (C) Copyright 2005
   3  * 2N Telekomunikace, a.s. <www.2n.cz>
   4  * Ladislav Michl <michl@2n.cz>
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef _NAND_H_
  25 #define _NAND_H_
  26
  27 #include <linux/mtd/compat.h>
  28 #include <linux/mtd/mtd.h>
  29 #include <linux/mtd/nand.h>
  30
  31 typedef struct mtd_info nand_info_t;
  32
  33 extern int nand_curr_device;
  34 extern nand_info_t nand_info[];
  35
  36 static inline int nand_read(nand_info_t *info, ulong ofs, ulong *len, u_char *buf)
  37 {
  38         return info->read(info, ofs, *len, (size_t *)len, buf);
  39 }
  40
  41 static inline int nand_write(nand_info_t *info, ulong ofs, ulong *len, u_char *buf)
  42 {
  43         return info->write(info, ofs, *len, (size_t *)len, buf);
  44 }
  45
  46 static inline int nand_block_isbad(nand_info_t *info, ulong ofs)
  47 {
  48         return info->block_isbad(info, ofs);
  49 }
  50
  51 static inline int nand_erase(nand_info_t *info, ulong off, ulong size)
  52 {
  53         struct erase_info instr;
  54
  55         instr.mtd = info;
  56         instr.addr = off;
  57         instr.len = size;
  58         instr.callback = 0;
  59
  60         return info->erase(info, &instr);
  61 }
  62
  63 #endif