ndk/android-ndk-r4/linux/platforms/android-4/arch-arm/usr/include/linux/mtd/flashchip.h

   1 /****************************************************************************
   2  ****************************************************************************
   3  ***
   4  ***   This header was automatically generated from a Linux kernel header
   5  ***   of the same name, to make information necessary for userspace to
   6  ***   call into the kernel available to libc.  It contains only constants,
   7  ***   structures, and macros generated from the original header, and thus,
   8  ***   contains no copyrightable information.
   9  ***
  10  ****************************************************************************
  11  ****************************************************************************/
  12 #ifndef __MTD_FLASHCHIP_H__
  13 #define __MTD_FLASHCHIP_H__
  14
  15 #include <linux/sched.h>
  16
  17 typedef enum {
  18  FL_READY,
  19  FL_STATUS,
  20  FL_CFI_QUERY,
  21  FL_JEDEC_QUERY,
  22  FL_ERASING,
  23  FL_ERASE_SUSPENDING,
  24  FL_ERASE_SUSPENDED,
  25  FL_WRITING,
  26  FL_WRITING_TO_BUFFER,
  27  FL_OTP_WRITE,
  28  FL_WRITE_SUSPENDING,
  29  FL_WRITE_SUSPENDED,
  30  FL_PM_SUSPENDED,
  31  FL_SYNCING,
  32  FL_UNLOADING,
  33  FL_LOCKING,
  34  FL_UNLOCKING,
  35  FL_POINT,
  36  FL_XIP_WHILE_ERASING,
  37  FL_XIP_WHILE_WRITING,
  38  FL_UNKNOWN
  39 } flstate_t;
  40
  41 struct flchip {
  42  unsigned long start;
  43
  44  int ref_point_counter;
  45  flstate_t state;
  46  flstate_t oldstate;
  47
  48  unsigned int write_suspended:1;
  49  unsigned int erase_suspended:1;
  50  unsigned long in_progress_block_addr;
  51
  52  spinlock_t *mutex;
  53  spinlock_t _spinlock;
  54  wait_queue_head_t wq;
  55  int word_write_time;
  56  int buffer_write_time;
  57  int erase_time;
  58
  59  void *priv;
  60 };
  61
  62 struct flchip_shared {
  63  spinlock_t lock;
  64  struct flchip *writing;
  65  struct flchip *erasing;
  66 };
  67
  68 #endif