diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/mtd/flashchip.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/mtd/flashchip.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/ANDROID_3.4.5/include/linux/mtd/flashchip.h b/ANDROID_3.4.5/include/linux/mtd/flashchip.h deleted file mode 100644 index b63fa457..00000000 --- a/ANDROID_3.4.5/include/linux/mtd/flashchip.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright © 2000 Red Hat UK Limited - * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#ifndef __MTD_FLASHCHIP_H__ -#define __MTD_FLASHCHIP_H__ - -/* For spinlocks. sched.h includes spinlock.h from whichever directory it - * happens to be in - so we don't have to care whether we're on 2.2, which - * has asm/spinlock.h, or 2.4, which has linux/spinlock.h - */ -#include <linux/sched.h> -#include <linux/mutex.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_SHUTDOWN, - /* These 2 come from nand_state_t, which has been unified here */ - FL_READING, - FL_CACHEDPRG, - /* These 4 come from onenand_state_t, which has been unified here */ - FL_RESETING, - FL_OTPING, - FL_PREPARING_ERASE, - FL_VERIFYING_ERASE, - - FL_UNKNOWN -} flstate_t; - - - -/* NOTE: confusingly, this can be used to refer to more than one chip at a time, - if they're interleaved. This can even refer to individual partitions on - the same physical chip when present. */ - -struct flchip { - unsigned long start; /* Offset within the map */ - // unsigned long len; - /* We omit len for now, because when we group them together - we insist that they're all of the same size, and the chip size - is held in the next level up. If we get more versatile later, - it'll make it a damn sight harder to find which chip we want from - a given offset, and we'll want to add the per-chip length field - back in. - */ - 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; - - struct mutex mutex; - wait_queue_head_t wq; /* Wait on here when we're waiting for the chip - to be ready */ - int word_write_time; - int buffer_write_time; - int erase_time; - - int word_write_time_max; - int buffer_write_time_max; - int erase_time_max; - - void *priv; -}; - -/* This is used to handle contention on write/erase operations - between partitions of the same physical chip. */ -struct flchip_shared { - struct mutex lock; - struct flchip *writing; - struct flchip *erasing; -}; - - -#endif /* __MTD_FLASHCHIP_H__ */ |