diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mtd/doc2000.h | 158 | ||||
| -rw-r--r-- | include/linux/time.h | 158 |
2 files changed, 316 insertions, 0 deletions
diff --git a/include/linux/mtd/doc2000.h b/include/linux/mtd/doc2000.h new file mode 100644 index 0000000000..c703f77fe1 --- /dev/null +++ b/include/linux/mtd/doc2000.h @@ -0,0 +1,158 @@ + +/* Linux driver for Disk-On-Chip 2000 */ +/* (c) 1999 Machine Vision Holdings, Inc. */ +/* Author: David Woodhouse <dwmw2@mvhi.com> */ +/* $Id: doc2000.h,v 1.15 2001/09/19 00:22:15 dwmw2 Exp $ */ + +#ifndef __MTD_DOC2000_H__ +#define __MTD_DOC2000_H__ + +struct DiskOnChip; + +#include <linux/mtd/nftl.h> + +#define DoC_Sig1 0 +#define DoC_Sig2 1 + +#define DoC_ChipID 0x1000 +#define DoC_DOCStatus 0x1001 +#define DoC_DOCControl 0x1002 +#define DoC_FloorSelect 0x1003 +#define DoC_CDSNControl 0x1004 +#define DoC_CDSNDeviceSelect 0x1005 +#define DoC_ECCConf 0x1006 +#define DoC_2k_ECCStatus 0x1007 + +#define DoC_CDSNSlowIO 0x100d +#define DoC_ECCSyndrome0 0x1010 +#define DoC_ECCSyndrome1 0x1011 +#define DoC_ECCSyndrome2 0x1012 +#define DoC_ECCSyndrome3 0x1013 +#define DoC_ECCSyndrome4 0x1014 +#define DoC_ECCSyndrome5 0x1015 +#define DoC_AliasResolution 0x101b +#define DoC_ConfigInput 0x101c +#define DoC_ReadPipeInit 0x101d +#define DoC_WritePipeTerm 0x101e +#define DoC_LastDataRead 0x101f +#define DoC_NOP 0x1020 + +#define DoC_Mil_CDSN_IO 0x0800 +#define DoC_2k_CDSN_IO 0x1800 + +#define ReadDOC_(adr, reg) ((volatile unsigned char)(*(volatile __u8 *)(((unsigned long)adr)+((reg))))) +#define WriteDOC_(d, adr, reg) do{ *(volatile __u8 *)(((unsigned long)adr)+((reg))) = (__u8)d; eieio();} while(0) + +#define DOC_IOREMAP_LEN 0x4000 + +/* These are provided to directly use the DoC_xxx defines */ +#define ReadDOC(adr, reg) ReadDOC_(adr,DoC_##reg) +#define WriteDOC(d, adr, reg) WriteDOC_(d,adr,DoC_##reg) + +#define DOC_MODE_RESET 0 +#define DOC_MODE_NORMAL 1 +#define DOC_MODE_RESERVED1 2 +#define DOC_MODE_RESERVED2 3 + +#define DOC_MODE_MDWREN 4 +#define DOC_MODE_CLR_ERR 0x80 + +#define DOC_ChipID_UNKNOWN 0x00 +#define DOC_ChipID_Doc2k 0x20 +#define DOC_ChipID_DocMil 0x30 + +#define CDSN_CTRL_FR_B 0x80 +#define CDSN_CTRL_ECC_IO 0x20 +#define CDSN_CTRL_FLASH_IO 0x10 +#define CDSN_CTRL_WP 0x08 +#define CDSN_CTRL_ALE 0x04 +#define CDSN_CTRL_CLE 0x02 +#define CDSN_CTRL_CE 0x01 + +#define DOC_ECC_RESET 0 +#define DOC_ECC_ERROR 0x80 +#define DOC_ECC_RW 0x20 +#define DOC_ECC__EN 0x08 +#define DOC_TOGGLE_BIT 0x04 +#define DOC_ECC_RESV 0x02 +#define DOC_ECC_IGNORE 0x01 + +/* We have to also set the reserved bit 1 for enable */ +#define DOC_ECC_EN (DOC_ECC__EN | DOC_ECC_RESV) +#define DOC_ECC_DIS (DOC_ECC_RESV) + +struct Nand { + char floor, chip; + unsigned long curadr; + unsigned char curmode; + /* Also some erase/write/pipeline info when we get that far */ +}; + +#define MAX_FLOORS 4 +#define MAX_CHIPS 4 + +#define MAX_FLOORS_MIL 4 +#define MAX_CHIPS_MIL 1 + +#define ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 + +struct DiskOnChip { + unsigned long physadr; + unsigned long virtadr; + unsigned long totlen; + char* name; + char ChipID; /* Type of DiskOnChip */ + int ioreg; + + char* chips_name; + unsigned long mfr; /* Flash IDs - only one type of flash per device */ + unsigned long id; + int chipshift; + char page256; + char pageadrlen; + unsigned long erasesize; + + int curfloor; + int curchip; + + int numchips; + struct Nand *chips; + + int nftl_found; + struct NFTLrecord nftl; +}; + +#define SECTORSIZE 512 + +/* Return codes from doc_write(), doc_read(), and doc_erase(). + */ +#define DOC_OK 0 +#define DOC_EIO 1 +#define DOC_EINVAL 2 +#define DOC_EECC 3 +#define DOC_ETIMEOUT 4 + +/* + * Function Prototypes + */ +int doc_decode_ecc(unsigned char sector[512], unsigned char ecc1[6]); + +int doc_rw(struct DiskOnChip* this, int cmd, loff_t from, size_t len, + size_t *retlen, u_char *buf); +int doc_read_ecc(struct DiskOnChip* this, loff_t from, size_t len, + size_t *retlen, u_char *buf, u_char *eccbuf); +int doc_write_ecc(struct DiskOnChip* this, loff_t to, size_t len, + size_t *retlen, const u_char *buf, u_char *eccbuf); +int doc_read_oob(struct DiskOnChip* this, loff_t ofs, size_t len, + size_t *retlen, u_char *buf); +int doc_write_oob(struct DiskOnChip* this, loff_t ofs, size_t len, + size_t *retlen, const u_char *buf); +int doc_erase (struct DiskOnChip* this, loff_t ofs, size_t len); + +void doc_probe(unsigned long physadr); + +void doc_print(struct DiskOnChip*); + +#endif /* __MTD_DOC2000_H__ */ diff --git a/include/linux/time.h b/include/linux/time.h new file mode 100644 index 0000000000..bf12b99d37 --- /dev/null +++ b/include/linux/time.h @@ -0,0 +1,158 @@ +#ifndef _LINUX_TIME_H +#define _LINUX_TIME_H + +#include <linux/types.h> + +#define _DEFUN(a,b,c) a(c) +#define _CONST const +#define _AND , + +#define _REENT_ONLY + +#define SECSPERMIN 60L +#define MINSPERHOUR 60L +#define HOURSPERDAY 24L +#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR) +#define SECSPERDAY (SECSPERHOUR * HOURSPERDAY) +#define DAYSPERWEEK 7 +#define MONSPERYEAR 12 + +#define YEAR_BASE 1900 +#define EPOCH_YEAR 1970 +#define EPOCH_WDAY 4 + +#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) + + +/* Used by other time functions. */ +struct tm { + int tm_sec; /* Seconds. [0-60] (1 leap second) */ + int tm_min; /* Minutes. [0-59] */ + int tm_hour; /* Hours. [0-23] */ + int tm_mday; /* Day. [1-31] */ + int tm_mon; /* Month. [0-11] */ + int tm_year; /* Year - 1900. */ + int tm_wday; /* Day of week. [0-6] */ + int tm_yday; /* Days in year.[0-365] */ + int tm_isdst; /* DST. [-1/0/1]*/ + +# ifdef __USE_BSD + long int tm_gmtoff; /* Seconds east of UTC. */ + __const char *tm_zone; /* Timezone abbreviation. */ +# else + long int __tm_gmtoff; /* Seconds east of UTC. */ + __const char *__tm_zone; /* Timezone abbreviation. */ +# endif +}; + +static inline char * +_DEFUN (asctime_r, (tim_p, result), + _CONST struct tm *tim_p _AND + char *result) +{ + static _CONST char day_name[7][3] = { + "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" + }; + static _CONST char mon_name[12][3] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" + }; + + sprintf (result, "%.3s %.3s %.2d %.2d:%.2d:%.2d %d\n", + day_name[tim_p->tm_wday], + mon_name[tim_p->tm_mon], + tim_p->tm_mday, tim_p->tm_hour, tim_p->tm_min, + tim_p->tm_sec, 1900 + tim_p->tm_year); + return result; +} + +static inline struct tm * +_DEFUN (localtime_r, (tim_p, res), + _CONST time_t * tim_p _AND + struct tm *res) +{ + static _CONST int mon_lengths[2][MONSPERYEAR] = { + {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}, + {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31} + } ; + + static _CONST int year_lengths[2] = { + 365, + 366 + } ; + + long days, rem; + int y; + int yleap; + _CONST int *ip; + + days = ((long) *tim_p) / SECSPERDAY; + rem = ((long) *tim_p) % SECSPERDAY; + while (rem < 0) + { + rem += SECSPERDAY; + --days; + } + while (rem >= SECSPERDAY) + { + rem -= SECSPERDAY; + ++days; + } + + /* compute hour, min, and sec */ + res->tm_hour = (int) (rem / SECSPERHOUR); + rem %= SECSPERHOUR; + res->tm_min = (int) (rem / SECSPERMIN); + res->tm_sec = (int) (rem % SECSPERMIN); + + /* compute day of week */ + if ((res->tm_wday = ((EPOCH_WDAY + days) % DAYSPERWEEK)) < 0) + res->tm_wday += DAYSPERWEEK; + + /* compute year & day of year */ + y = EPOCH_YEAR; + if (days >= 0) + { + for (;;) + { + yleap = isleap(y); + if (days < year_lengths[yleap]) + break; + y++; + days -= year_lengths[yleap]; + } + } + else + { + do + { + --y; + yleap = isleap(y); + days += year_lengths[yleap]; + } while (days < 0); + } + + res->tm_year = y - YEAR_BASE; + res->tm_yday = days; + ip = mon_lengths[yleap]; + for (res->tm_mon = 0; days >= ip[res->tm_mon]; ++res->tm_mon) + days -= ip[res->tm_mon]; + res->tm_mday = days + 1; + + /* set daylight saving time flag */ + res->tm_isdst = -1; + + return (res); +} + +static inline char * +_DEFUN (ctime_r, (tim_p, result), + _CONST time_t * tim_p _AND + char * result) + +{ + struct tm tm; + return asctime_r (localtime_r (tim_p, &tm), result); +} + +#endif |
