69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/****************************************************************************
|
|
****************************************************************************
|
|
***
|
|
*** This header was automatically generated from a Linux kernel header
|
|
*** of the same name, to make information necessary for userspace to
|
|
*** call into the kernel available to libc. It contains only constants,
|
|
*** structures, and macros generated from the original header, and thus,
|
|
*** contains no copyrightable information.
|
|
***
|
|
****************************************************************************
|
|
****************************************************************************/
|
|
#ifndef __MTD_FLASHCHIP_H__
|
|
#define __MTD_FLASHCHIP_H__
|
|
|
|
#include <linux/sched.h>
|
|
|
|
typedef enum {
|
|
FL_READY,
|
|
FL_STATUS,
|
|
FL_CFI_QUERY,
|
|
FL_JEDEC_QUERY,
|
|
FL_ERASING,
|
|
FL_ERASE_SUSPENDING,
|
|
FL_ERASE_SUSPENDED,
|
|
FL_WRITING,
|
|
FL_WRITING_TO_BUFFER,
|
|
FL_OTP_WRITE,
|
|
FL_WRITE_SUSPENDING,
|
|
FL_WRITE_SUSPENDED,
|
|
FL_PM_SUSPENDED,
|
|
FL_SYNCING,
|
|
FL_UNLOADING,
|
|
FL_LOCKING,
|
|
FL_UNLOCKING,
|
|
FL_POINT,
|
|
FL_XIP_WHILE_ERASING,
|
|
FL_XIP_WHILE_WRITING,
|
|
FL_UNKNOWN
|
|
} flstate_t;
|
|
|
|
struct flchip {
|
|
unsigned long start;
|
|
|
|
int ref_point_counter;
|
|
flstate_t state;
|
|
flstate_t oldstate;
|
|
|
|
unsigned int write_suspended:1;
|
|
unsigned int erase_suspended:1;
|
|
unsigned long in_progress_block_addr;
|
|
|
|
spinlock_t *mutex;
|
|
spinlock_t _spinlock;
|
|
wait_queue_head_t wq;
|
|
int word_write_time;
|
|
int buffer_write_time;
|
|
int erase_time;
|
|
|
|
void *priv;
|
|
};
|
|
|
|
struct flchip_shared {
|
|
spinlock_t lock;
|
|
struct flchip *writing;
|
|
struct flchip *erasing;
|
|
};
|
|
|
|
#endif
|