drivers/staging/spectra/ffsport.h

   1 /*
   2  * NAND Flash Controller Device Driver
   3  * Copyright (c) 2009, Intel Corporation and its suppliers.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  */
  19
  20 #ifndef _FFSPORT_
  21 #define _FFSPORT_
  22
  23 #include "ffsdefs.h"
  24
  25 #if defined __GNUC__
  26 #define PACKED
  27 #define PACKED_GNU __attribute__ ((packed))
  28 #define UNALIGNED
  29 #endif
  30
  31 #include <linux/semaphore.h>
  32 #include <linux/string.h>       /* for strcpy(), stricmp(), etc */
  33 #include <linux/mm.h>           /* for kmalloc(), kfree() */
  34 #include <linux/vmalloc.h>
  35 #include <linux/module.h>
  36 #include <linux/moduleparam.h>
  37 #include <linux/init.h>
  38
  39 #include <linux/kernel.h>       /* printk() */
  40 #include <linux/fs.h>           /* everything... */
  41 #include <linux/errno.h>        /* error codes */
  42 #include <linux/types.h>        /* size_t */
  43 #include <linux/genhd.h>
  44 #include <linux/blkdev.h>
  45 #include <linux/hdreg.h>
  46 #include <linux/pci.h>
  47 #include "flash.h"
  48
  49 #define VERBOSE    1
  50
  51 #define NAND_DBG_WARN  1
  52 #define NAND_DBG_DEBUG 2
  53 #define NAND_DBG_TRACE 3
  54
  55 extern int nand_debug_level;
  56
  57 #ifdef VERBOSE
  58 #define nand_dbg_print(level, args...)                  \
  59         do {                                            \
  60                 if (level <= nand_debug_level)          \
  61                         printk(KERN_ALERT args);        \
  62         } while (0)
  63 #else
  64 #define nand_dbg_print(level, args...)
  65 #endif
  66
  67 #ifdef SUPPORT_BIG_ENDIAN
  68 #define INVERTUINT16(w)   ((u16)(((u16)(w)) << 8) | \
  69                            (u16)((u16)(w) >> 8))
  70
  71 #define INVERTUINT32(dw)  (((u32)(dw) << 24) | \
  72                            (((u32)(dw) << 8) & 0x00ff0000) | \
  73                            (((u32)(dw) >> 8) & 0x0000ff00) | \
  74                            ((u32)(dw) >> 24))
  75 #else
  76 #define INVERTUINT16(w)   w
  77 #define INVERTUINT32(dw)  dw
  78 #endif
  79
  80 extern int GLOB_Calc_Used_Bits(u32 n);
  81 extern u64 GLOB_u64_Div(u64 addr, u32 divisor);
  82 extern u64 GLOB_u64_Remainder(u64 addr, u32 divisor_type);
  83 extern int register_spectra_ftl(void);
  84
  85 #endif /* _FFSPORT_ */