summaryrefslogtreecommitdiffstats
path: root/fs/fat/diskio.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/fat/diskio.h')
-rw-r--r--fs/fat/diskio.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/fs/fat/diskio.h b/fs/fat/diskio.h
new file mode 100644
index 0000000000..f0d29dc390
--- /dev/null
+++ b/fs/fat/diskio.h
@@ -0,0 +1,78 @@
+/*-----------------------------------------------------------------------
+/ Low level disk interface modlue include file
+/-----------------------------------------------------------------------*/
+
+#ifndef _DISKIO
+
+#define _READONLY 0 /* 1: Remove write functions */
+#define _USE_IOCTL 1 /* 1: Use disk_ioctl fucntion */
+
+#include "integer.h"
+
+
+/* Status of Disk Functions */
+typedef BYTE DSTATUS;
+
+/* Results of Disk Functions */
+typedef enum {
+ RES_OK = 0, /* 0: Successful */
+ RES_ERROR, /* 1: R/W Error */
+ RES_WRPRT, /* 2: Write Protected */
+ RES_NOTRDY, /* 3: Not Ready */
+ RES_PARERR /* 4: Invalid Parameter */
+} DRESULT;
+
+
+/*---------------------------------------*/
+/* Prototypes for disk control functions */
+
+int assign_drives (int, int);
+DSTATUS disk_initialize (FATFS *fatfs);
+DSTATUS disk_status (FATFS *fatfs);
+DRESULT disk_read (FATFS *fatfs, BYTE*, DWORD, BYTE);
+#if _READONLY == 0
+DRESULT disk_write (FATFS *fatfs, const BYTE*, DWORD, BYTE);
+#endif
+DRESULT disk_ioctl (FATFS *fatfs, BYTE, void*);
+
+
+
+/* Disk Status Bits (DSTATUS) */
+
+#define STA_NOINIT 0x01 /* Drive not initialized */
+#define STA_NODISK 0x02 /* No medium in the drive */
+#define STA_PROTECT 0x04 /* Write protected */
+
+
+/* Command code for disk_ioctrl fucntion */
+
+/* Generic command (defined for FatFs) */
+#define CTRL_SYNC 0 /* Flush disk cache (for write functions) */
+#define GET_SECTOR_COUNT 1 /* Get media size (for only f_mkfs()) */
+#define GET_SECTOR_SIZE 2 /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
+#define GET_BLOCK_SIZE 3 /* Get erase block size (for only f_mkfs()) */
+#define CTRL_ERASE_SECTOR 4 /* Force erased a block of sectors (for only _USE_ERASE) */
+
+/* Generic command */
+#define CTRL_POWER 5 /* Get/Set power status */
+#define CTRL_LOCK 6 /* Lock/Unlock media removal */
+#define CTRL_EJECT 7 /* Eject media */
+
+/* MMC/SDC specific ioctl command */
+#define MMC_GET_TYPE 10 /* Get card type */
+#define MMC_GET_CSD 11 /* Get CSD */
+#define MMC_GET_CID 12 /* Get CID */
+#define MMC_GET_OCR 13 /* Get OCR */
+#define MMC_GET_SDSTAT 14 /* Get SD status */
+
+/* ATA/CF specific ioctl command */
+#define ATA_GET_REV 20 /* Get F/W revision */
+#define ATA_GET_MODEL 21 /* Get model name */
+#define ATA_GET_SN 22 /* Get serial number */
+
+/* NAND specific ioctl command */
+#define NAND_FORMAT 30 /* Create physical format */
+
+
+#define _DISKIO
+#endif